A gardening tool, such as a mower, has a main body having an accessory, such as a mowing blade, and a motor for driving the accessory. A handle is rotatably connected to the main body. At least one operation assembly is associated with the handle for being operated by a user to control the motor when the handle is located in a predetermined position. A control system prevents the motor from being controlled by the operation assembly and halts the motor when the handle is located out of the predetermined position.
A01D 34/67 - Mowers; Mowing apparatus of harvesters characterised by features relating to the type of cutting apparatus having rotating cutters having cutters rotating about a vertical axis hand-guided by a walking operator
A01D 34/68 - Mowers; Mowing apparatus of harvesters characterised by features relating to the type of cutting apparatus having rotating cutters having cutters rotating about a vertical axis hand-guided by a walking operator with motor driven cutters or wheels
A grass trimmer includes a trimming head, a driving device for driving the trimming head to rotate so as to cut vegetation and an operating device for a user to operate so as to control the driving device. The trimming head includes a spool and a line holding element, the spool is used to wind a trimming line, and the line holding element is formed with a line holding structure. The driving device includes a motor. The grass trimmer has an auto-winding mode. In the auto-winding mode, the motor drives at least one of the spool and the line holding element to make the spool and the line holding element rotate relatively so that the trimming line is wound on the spool automatically.
A mower includes a main body having an electric motor configured to drive a mowing member, a pair of front wheels, and a pair of rear wheels. A supporting portion is associated with the main body and a handle is connected to the main body and rotatable between a first position and a second position. The handle comprises an operation assembly operable by a user to control the electric motor. A controller prevents the electric motor from being activated by a user operation of the operation assembly when the mower is in a first state in which the supporting portion and the pair of rear wheels are used to support the main body on a supporting surface with the handle in the first position.
A01D 34/68 - Mowers; Mowing apparatus of harvesters characterised by features relating to the type of cutting apparatus having rotating cutters having cutters rotating about a vertical axis hand-guided by a walking operator with motor driven cutters or wheels
A handheld blower includes a fan for generating an air flow, a motor for driving the fan to rotate about a central axis, a battery pack for supplying power to the motor, an air duct portion including an air duct, the air duct extending long the central axis, a coupling portion for coupling with the battery pack, and a connection portion for connecting the air duct portion with the coupling portion. The fan is received in the air duct. The air duct includes an air duct inlet and an air duct outlet which are respectively located at the two ends of the air duct. The air duct inlet is located between the air duct outlet and the coupling portion. The connection portion is provided with an air intake space located between the air duct inlet and the coupling portion. The air intake space is opened in a radial direction of the central axis.
A gardening tool, such as a mower, has a main body having an accessory, such as a mowing blade, and a motor for driving the accessory. A handle is rotatably connected to the main body. At least one operation assembly is associated with the handle for being operated by a user to control the motor when the handle is located in a predetermined position. A control system prevents the motor from being controlled by the operation assembly and halts the motor when the handle is located out of the predetermined position.
A01D 34/67 - Mowers; Mowing apparatus of harvesters characterised by features relating to the type of cutting apparatus having rotating cutters having cutters rotating about a vertical axis hand-guided by a walking operator
A01D 34/68 - Mowers; Mowing apparatus of harvesters characterised by features relating to the type of cutting apparatus having rotating cutters having cutters rotating about a vertical axis hand-guided by a walking operator with motor driven cutters or wheels
A lawncare apparatus includes a main body, multiple wheels supporting the main body, a cutting blade disposed in the main body, a motor driving the cutting blade, and an operating arm connected to the first end of the main body. The distance in the horizontal direction between the axial central line of the cylindrical gripping portion of the operating arm and the axes of the elongated handle of the main body along the length direction is less than 5 cm. Because of the structure mate relationship between the operating arm and the cylindrical gripping portion, the operator feels more comfortable during the transporting process, the volume of lawncare apparatus during transporting is reduced and the convenience of transporting is improved.
A01D 34/68 - Mowers; Mowing apparatus of harvesters characterised by features relating to the type of cutting apparatus having rotating cutters having cutters rotating about a vertical axis hand-guided by a walking operator with motor driven cutters or wheels
A snow thrower includes a motor, an auger driven by the motor to rotate, a handle device for a user to operate, an auger housing for containing the auger and a frame for connecting the handle device and the auger housing. The auger housing is made of at least two different materials.
E01H 5/09 - Apparatus propelled by animal or engine power; Apparatus propelled by hand with driven dislodging or conveying elements, e.g. conveying pneumatically dislodging essentially by driven elements the elements being rotary or moving along a closed circular path, e.g. rotary cutter, digging wheels
E01H 5/04 - Apparatus propelled by animal or engine power; Apparatus propelled by hand with driven dislodging or conveying elements, e.g. conveying pneumatically
A grass trimmer includes a trimming head, a driving device for driving the trimming head to rotate so as to cut vegetation and an operating device for a user to operate so as to control the driving device. The trimming head includes a spool and a line holding element, the spool is used to wind a trimming line, and the line holding element is formed with a line holding structure. The driving device includes a motor. The grass trimmer has an auto-winding mode. In the auto-winding mode, the motor drives at least one of the spool and the line holding element to make the spool and the line holding element rotate relatively so that the trimming line is wound on the spool automatically.
A snow thrower includes a motor, an auger driven by the motor to rotate, a handle device for a user to operate, an auger housing for containing the auger and a frame for connecting the handle device and the auger housing. The auger housing is made of at least two different materials.
E01H 5/09 - Apparatus propelled by animal or engine power; Apparatus propelled by hand with driven dislodging or conveying elements, e.g. conveying pneumatically dislodging essentially by driven elements the elements being rotary or moving along a closed circular path, e.g. rotary cutter, digging wheels
E01H 5/04 - Apparatus propelled by animal or engine power; Apparatus propelled by hand with driven dislodging or conveying elements, e.g. conveying pneumatically
A snow thrower includes a motor, an auger driven by the motor to rotate, a handle device for a user to operate, an auger housing for containing the auger and a frame for connecting the handle device and the auger housing. The auger housing is made of at least two different materials.
E01H 5/09 - Apparatus propelled by animal or engine power; Apparatus propelled by hand with driven dislodging or conveying elements, e.g. conveying pneumatically dislodging essentially by driven elements the elements being rotary or moving along a closed circular path, e.g. rotary cutter, digging wheels
E01H 5/04 - Apparatus propelled by animal or engine power; Apparatus propelled by hand with driven dislodging or conveying elements, e.g. conveying pneumatically
A gardening tool, such as a mower, has a main body having an accessory, such as a mowing blade, and a motor for driving the accessory. A handle is rotatably connected to the main body. At least one operation assembly is associated with the handle for being operated by a user to control the motor when the handle is located in a predetermined position. A control system prevents the motor from being controlled by the operation assembly and halts the motor when the handle is located out of the predetermined position.
A01D 34/68 - Mowers; Mowing apparatus of harvesters characterised by features relating to the type of cutting apparatus having rotating cutters having cutters rotating about a vertical axis hand-guided by a walking operator with motor driven cutters or wheels
A01D 34/67 - Mowers; Mowing apparatus of harvesters characterised by features relating to the type of cutting apparatus having rotating cutters having cutters rotating about a vertical axis hand-guided by a walking operator
A01D 69/02 - Driving mechanisms or parts thereof for harvesters or mowers electric
A lawncare apparatus includes a main body, multiple wheels supporting the main body, a cutting blade disposed in the main body, a motor driving the cutting blade, and an operating arm connected to the first end of the main body. The distance in the horizontal direction between the axial central line of the cylindrical gripping portion of the operating arm and the axes of the elongated handle of the main body along the length direction is less than 5 cm. Because of the structure mate relationship between the operating arm and the cylindrical gripping portion, the operator feels more comfortable during the transporting process, the volume of lawncare apparatus during transporting is reduced and the convenience of transporting is improved.
A01D 34/68 - Mowers; Mowing apparatus of harvesters characterised by features relating to the type of cutting apparatus having rotating cutters having cutters rotating about a vertical axis hand-guided by a walking operator with motor driven cutters or wheels
A handheld blower includes a fan for generating an air flow, a motor for driving the fan to rotate about a central axis, a battery pack for supplying power to the motor, an air duct portion including an air duct, the air duct extending long the central axis, a coupling portion for coupling with the battery pack, and a connection portion for connecting the air duct portion with the coupling portion. The fan is received in the air duct. The air duct includes an air duct inlet and an air duct outlet which are respectively located at the two ends of the air duct. The air duct inlet is located between the air duct outlet and the coupling portion. The connection portion is provided with an air intake space located between the air duct inlet and the coupling portion. The air intake space is opened in a radial direction of the central axis.
A grass trimmer includes a cutting head for mounting a cutting member, a drive head having a output shaft for driving the cutting head to rotate, and an anti-winding member for preventing the output shaft from being wound to by grass. The drive head includes a drive device to drive the output shaft and a head housing for accommodating the drive device. The output shaft connects to the cutting head and passes through the anti-winding member and the anti-winding member is mounted to the cutting head so as to rotate with the cutting head and is disposed between the cutting head and the head housing so as to fill the space between the cutting head and the head housing.
B25F 5/00 - COMBINATION OR MULTI-PURPOSE TOOLS NOT OTHERWISE PROVIDED FOR; DETAILS OR COMPONENTS OF PORTABLE POWER-DRIVEN TOOLS NOT PARTICULARLY RELATED TO THE OPERATIONS PERFORMED AND NOT OTHERWISE PROVIDED FOR - Details or components of portable power-driven tools not particularly related to the operations performed and not otherwise provided for
A01D 34/90 - Mowers; Mowing apparatus of harvesters specially adapted for particular purposes for carrying by the operator
A gardening tool, such as a mower, has a main body having an accessory, such as a mowing blade, and a motor for driving the accessory. A handle is rotatably connected to the main body. At least one operation assembly is associated with the handle for being operated by a user to control the motor when the handle is located in a predetermined position. A control system prevents the motor from being controlled by the operation assembly and halts the motor when the handle is located out of the predetermined position.
A01D 34/67 - Mowers; Mowing apparatus of harvesters characterised by features relating to the type of cutting apparatus having rotating cutters having cutters rotating about a vertical axis hand-guided by a walking operator
A01D 34/68 - Mowers; Mowing apparatus of harvesters characterised by features relating to the type of cutting apparatus having rotating cutters having cutters rotating about a vertical axis hand-guided by a walking operator with motor driven cutters or wheels
An electrical combination includes a battery pack and a power tool. The battery pack includes two battery pack connectors which are connected with the same electrode of a battery of the battery pack. A circuit of one battery pack connector has a resistance greater than that in another circuit of another battery pack connector. The power tool includes corresponding tool connectors. When the battery pack is connected with the power tool, the power tool is supplied with a small current by the battery pack firstly, and then is supplied with a large current, so the electric spark is eliminated when the terminals of the battery pack contact with the terminals of the power tool.
H01M 2/34 - Current-conducting connections for cells with provision for preventing undesired use or discharge
H01M 2/10 - Mountings; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
B25F 5/02 - Construction of casings, bodies or handles
H01M 50/572 - Means for preventing undesired use or discharge
B25F 5/00 - COMBINATION OR MULTI-PURPOSE TOOLS NOT OTHERWISE PROVIDED FOR; DETAILS OR COMPONENTS OF PORTABLE POWER-DRIVEN TOOLS NOT PARTICULARLY RELATED TO THE OPERATIONS PERFORMED AND NOT OTHERWISE PROVIDED FOR - Details or components of portable power-driven tools not particularly related to the operations performed and not otherwise provided for
H01M 50/20 - Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
A snow thrower includes a motor, an auger driven by the motor to rotate, a handle device for a user to operate, an auger housing for containing the auger and a frame for connecting the handle device and the auger housing. The auger housing is made of at least two different materials.
E01H 5/09 - Apparatus propelled by animal or engine power; Apparatus propelled by hand with driven dislodging or conveying elements, e.g. conveying pneumatically dislodging essentially by driven elements the elements being rotary or moving along a closed circular path, e.g. rotary cutter, digging wheels
E01H 5/04 - Apparatus propelled by animal or engine power; Apparatus propelled by hand with driven dislodging or conveying elements, e.g. conveying pneumatically
A gardening tool, such as a mower, has a main body having an accessory, such as a mowing blade, and a motor for driving the accessory. A handle is rotatably connected to the main body. At least one operation assembly is associated with the handle for being operated by a user to control the motor when the handle is located in a predetermined position. A control system prevents the motor from being controlled by the operation assembly and halts the motor when the handle is located out of the predetermined position.
A01D 34/67 - Mowers; Mowing apparatus of harvesters characterised by features relating to the type of cutting apparatus having rotating cutters having cutters rotating about a vertical axis hand-guided by a walking operator
A01D 34/68 - Mowers; Mowing apparatus of harvesters characterised by features relating to the type of cutting apparatus having rotating cutters having cutters rotating about a vertical axis hand-guided by a walking operator with motor driven cutters or wheels
A power tool includes a motor, a first power source access circuit, a first drive circuit, a second power source access circuit and a second drive circuit. The motor includes a rotor, a stator, a plurality of first-type windings and a plurality of second-type windings. The rotor is configured to rotate about a central axis. The stator includes a ring-shaped yoke portion, and a plurality of teeth. The plurality of first-type windings are configured to be wound around part of the plurality of teeth and the plurality of second-type windings are configured to be wound around other part of the plurality of teeth. The first power source access circuit is configured to access a first power source with a first voltage. The first drive circuit includes a plurality of first-type electronic switches connected between the plurality of first-type windings and the first power source access circuit. The second power source access circuit is configured to access a second power source with a second voltage. The second drive circuit includes a plurality of second-type electronic switches connected between the plurality of second-type windings and the second power source access circuit. The plurality of first-type windings and the plurality of second-type windings are spaced in a circumferential direction of the central axis.
H02K 23/64 - Motors specially adapted for running on DC or AC by choice
H02K 3/28 - Layout of windings or of connections between windings
H02K 23/34 - DC commutator motors or generators having mechanical commutator; Universal AC/DC commutator motors characterised by the armature windings having mixed windings
H02K 23/00 - DC commutator motors or generators having mechanical commutator; Universal AC/DC commutator motors
H02K 23/26 - DC commutator motors or generators having mechanical commutator; Universal AC/DC commutator motors characterised by the armature windings
H02P 4/00 - Arrangements specially adapted for regulating or controlling the speed or torque of electric motors that can be connected to two or more different electric power supplies
H02K 11/33 - Drive circuits, e.g. power electronics
B25F 5/00 - COMBINATION OR MULTI-PURPOSE TOOLS NOT OTHERWISE PROVIDED FOR; DETAILS OR COMPONENTS OF PORTABLE POWER-DRIVEN TOOLS NOT PARTICULARLY RELATED TO THE OPERATIONS PERFORMED AND NOT OTHERWISE PROVIDED FOR - Details or components of portable power-driven tools not particularly related to the operations performed and not otherwise provided for
A grass trimmer includes a trimming head, a driving device for driving the trimming head to rotate so as to cut vegetation, and an operating device for use in controlling the driving device. The trimming head includes a spool and a line holding element formed with a line holding structure. The driving device includes a motor. The grass trimmer has an auto-winding mode. In the auto-winding mode, the motor drives at least one of the spool and the line holding element to make the spool and the line holding element rotate relatively so that a trimming line is wound on the spool automatically.
A handheld blower includes a housing having an air inlet and a duct assembly mounted in front of the air inlet, the duct assembly including a duct connected with the housing, a motor and a fan mounted in the duct, a battery, and a blowpipe connected to the housing by the duct assembly, the blowpipe defining a central axis in the length direction, and a handle arranged above the housing and the battery. The handle includes a gripping portion arranged on opposite sides of a plane in which the gravity center of the blower is located, and the plane is parallel to a central axis of the blowpipe and substantially perpendicular to a working ground. The gravity center of the handheld blower is adjacent to the gripping portion which enhances the handling comfort and reduces operator fatigue during long times of operation.
E01H 1/08 - Pneumatically dislodging or taking-up undesirable matter; Drying by heat only, or by streams of gas; Cleaning by projecting abrasive particles
F04D 25/06 - Units comprising pumps and their driving means the pump being electrically driven
F04D 29/32 - Rotors specially adapted for elastic fluids for axial-flow pumps
F04D 29/52 - Casings; Connections for working fluid for axial pumps
F04D 19/00 - Axial-flow pumps specially adapted for elastic fluids
A handheld blower includes a housing having an air inlet and a duct assembly mounted in front of the air inlet, the duct assembly including a duct connected with the housing, a motor and a fan mounted in the duct, a battery, and a blowpipe connected to the housing by the duct assembly, the blowpipe defining a central axis in the length direction, and a handle arranged above the housing and the battery. The handle includes a gripping portion arranged on opposite sides of a plane in which the gravity center of the blower is located, and the plane is parallel to a central axis of the blowpipe and substantially perpendicular to a working ground. The gravity center of the handheld blower is adjacent to the gripping portion which enhances the handling comfort and reduces operator fatigue during long times of operation.
F04D 19/00 - Axial-flow pumps specially adapted for elastic fluids
F04D 29/52 - Casings; Connections for working fluid for axial pumps
F04D 29/32 - Rotors specially adapted for elastic fluids for axial-flow pumps
F04D 25/08 - Units comprising pumps and their driving means the working fluid being air, e.g. for ventilation
E01H 1/08 - Pneumatically dislodging or taking-up undesirable matter; Drying by heat only, or by streams of gas; Cleaning by projecting abrasive particles
A gardening tool, such as a mower, has a main body having an accessory, such as a mowing blade, and a motor for driving the accessory. A handle is rotatably connected to the main body. At least one operation assembly is associated with the handle for being operated by a user to control the motor when the handle is located in a predetermined position. A control system prevents the motor from being controlled by the operation assembly and halts the motor when the handle is located out of the predetermined position.
A01D 69/02 - Driving mechanisms or parts thereof for harvesters or mowers electric
A01D 34/67 - Mowers; Mowing apparatus of harvesters characterised by features relating to the type of cutting apparatus having rotating cutters having cutters rotating about a vertical axis hand-guided by a walking operator
A01D 34/68 - Mowers; Mowing apparatus of harvesters characterised by features relating to the type of cutting apparatus having rotating cutters having cutters rotating about a vertical axis hand-guided by a walking operator with motor driven cutters or wheels
A power toolcapable of being balance powered by multiple battery packs is provided. A power tool comprising: a motor; a first battery pack; a second battery pack; a first battery receptacle for receipt of the first battery pack; a second battery receptacle for receipt of the second battery pack; a first switch device for connecting to the first battery pack and the motor; a second switch device for connecting to the second battery pack and the motor; and a controller operable to send a signal to cause the switch device opened so as to disconnect the battery pack and the motor when the voltage of the switch device is less than a control voltage.
H01M 10/0525 - Rocking-chair batteries, i.e. batteries with lithium insertion or intercalation in both electrodes; Lithium-ion batteries
H02J 7/34 - Parallel operation in networks using both storage and other dc sources, e.g. providing buffering
H02J 7/00 - Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
A01D 34/00 - Mowers; Mowing apparatus of harvesters
H01M 2/10 - Mountings; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
H01M 10/42 - Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
H01M 10/48 - Accumulators combined with arrangements for measuring, testing or indicating the condition of cells, e.g. the level or density of the electrolyte
H02P 7/00 - Arrangements for regulating or controlling the speed or torque of electric DC motors
G01R 31/3835 - Arrangements for monitoring battery or accumulator variables, e.g. SoC involving only voltage measurements
A01D 34/78 - Driving mechanisms for the cutters electric
A hedge trimmer includes a first housing with a first handle, a second housing with a second handle, a transmission mechanism combined to the first housing, a trimming blade for being driven by the transmission mechanism to carry out a shearing motion, an electric motor combined to the first housing and for driving the transmission mechanism, and a battery pack combined to the second housing and for supplying power to the electric motor. The first and second housings respectively include first and second rotation connection parts for making them be connected and rotatable around a rotation axis. The second housing has first and second rotation positions when being rotated with respect to the first housing. A plane perpendicular to the rotation axis is obliquely intersected with a plane perpendicular to a longitudinal axis of the trimming blade.
A grass trimmer includes a trimming head, a driving device for driving the trimming head to rotate so as to cut vegetation and an operating device for a user to operate so as to control the driving device. The trimming head includes a spool and a line holding element, the spool is used to wind a trimming line, and the line holding element is formed with a line holding structure. The driving device includes a motor. The grass trimmer has an auto-winding mode. In the auto-winding mode, the motor drives at least one of the spool or the line holding element to make the spool and the line holding element rotate relatively so that the trimming line is wound on the spool automatically.
A handheld blower includes a housing, the housing including an air inlet and a duct assembly, the duct assembly including a duct, a motor and a fan mounted in the duct, a battery, a handle, and a blowpipe which defines a central axis. Along the direction of the central axis, the area of the flowing cross-section of an air passage at the rear end of the fan adjacent to the air inlet is larger than that of the flowing cross-section of an air outlet of the blowpipe, and the rate between the area of the flow cross-section of the air outlet of the blowpipe and the area of the flow cross-section of the flow-through area at the position of the fan is greater than or equal to 0.8.
E01H 1/08 - Pneumatically dislodging or taking-up undesirable matter; Drying by heat only, or by streams of gas; Cleaning by projecting abrasive particles
An assembly including a wearable blower having a fan, a motor, an air duct having a duct housing thereof, a handle attached to the duct housing, and a hanger disposed on the duct housing. The hanger has an attachment part attached to the duct housing and adjacent to the handle and a hanger part connected to the attachment part for holding an accessory attached to the blower. The hanger part rotates with respect to the duct housing at a first hanging position whereat the hanger part is unfolded with an opening mouth for holding the accessory of the blower and the hanger part rotates with respect to the duct housing at a second folded position. Thus, the arrangement of the hanger can help the user to hold the accessory of the blower at the work states.
F04D 19/00 - Axial-flow pumps specially adapted for elastic fluids
E01H 1/08 - Pneumatically dislodging or taking-up undesirable matter; Drying by heat only, or by streams of gas; Cleaning by projecting abrasive particles
A47L 5/14 - Structural features of suction cleaners with power-driven air-pumps or air-compressors, e.g. driven by motor vehicle engine vacuum cleaning by blowing-off, also combined with suction cleaning
F04D 25/08 - Units comprising pumps and their driving means the working fluid being air, e.g. for ventilation
F04D 29/52 - Casings; Connections for working fluid for axial pumps
F04D 29/64 - Mounting; Assembling; Disassembling of axial pumps
A power tool includes an output shaft for outputting torque, a motor for driving the output shaft to rotate about a first axis, a transmission mechanism for transmitting an output of the motor to the output shaft, a gear box for containing the transmission mechanism, a sleeve for a user to operate so as to adjust a maximum output torque transmitted from the motor to the output shaft, a locating element for limiting an axial position of the sleeve, fastening elements for fixing the locating element to the gear box, and a bearing for supporting the output shaft. The locating element is formed with a containing groove for containing the bearing and locating holes formed on a bottom of the containing groove. The fastening elements are at least partially embedded in the locating holes.
B25F 5/00 - COMBINATION OR MULTI-PURPOSE TOOLS NOT OTHERWISE PROVIDED FOR; DETAILS OR COMPONENTS OF PORTABLE POWER-DRIVEN TOOLS NOT PARTICULARLY RELATED TO THE OPERATIONS PERFORMED AND NOT OTHERWISE PROVIDED FOR - Details or components of portable power-driven tools not particularly related to the operations performed and not otherwise provided for
B25B 21/00 - Portable power-driven screw or nut setting or loosening tools; Attachments for drilling apparatus serving the same purpose
F16H 3/66 - Gearings having three or more central gears composed of a number of gear trains without drive passing from one train to another
F16H 63/04 - Final output mechanisms therefor; Actuating means for the final output mechanisms a single final output mechanism being moved by a single final actuating mechanism
F16H 63/30 - Constructional features of the final output mechanisms
30.
Working attachment and combination of working attachment and power tool
A working attachment for a power tool is provided. The working attachment is able to be driven by the power tool to oscillate around a central axis. The working attachment includes a working portion for realizing a function of the working attachment and a connecting portion for connecting the working attachment with the power tool. The connecting portion includes at least two driven points for receiving a driving force of the power tool. The at least two driven points are disposed in a plane which is substantially perpendicular to the central axis and located between an upper end and a lower end of the connecting portion in a direction of the central axis.
A power tool system has a power tool including an electrical device, a power device for powering the electrical device, a position or target detection system for detecting a position of the power tool and/or the power device, a source-based transceiver for at least transmitting data corresponding to the position detected by the position detection system, and a data retrieval and/or process equipment for selectively receiving data from the source-based transceiver at a position around the power tool and/or a position remotely removed away from the power tool.
B25F 5/00 - COMBINATION OR MULTI-PURPOSE TOOLS NOT OTHERWISE PROVIDED FOR; DETAILS OR COMPONENTS OF PORTABLE POWER-DRIVEN TOOLS NOT PARTICULARLY RELATED TO THE OPERATIONS PERFORMED AND NOT OTHERWISE PROVIDED FOR - Details or components of portable power-driven tools not particularly related to the operations performed and not otherwise provided for
G01M 99/00 - Subject matter not provided for in other groups of this subclass
G01R 31/3835 - Arrangements for monitoring battery or accumulator variables, e.g. SoC involving only voltage measurements
A01D 34/67 - Mowers; Mowing apparatus of harvesters characterised by features relating to the type of cutting apparatus having rotating cutters having cutters rotating about a vertical axis hand-guided by a walking operator
A01D 69/02 - Driving mechanisms or parts thereof for harvesters or mowers electric
A handheld blower includes a housing having an air inlet and a duct assembly mounted in front of the air inlet, the duct assembly including a duct connected with the housing, a motor and a fan mounted in the duct, a battery, and a blowpipe connected to the housing by the duct assembly, the blowpipe defining a central axis in the length direction, and a handle arranged above the housing and the battery. The handle includes a gripping portion arranged on opposite sides of a plane in which the gravity center of the blower is located, and the plane is parallel to a central axis of the blowpipe and substantially perpendicular to a working ground. The gravity center of the handheld blower is adjacent to the gripping portion which enhances the handling comfort and reduces operator fatigue during long times of operation.
A measuring system includes a smart terminal and a measuring device. The smart terminal includes a first power source module, a first processor, a first wireless communication unit and a memory. The measuring device includes a measuring module, a second power source module and a second wireless communication unit. The measuring system may include one or more applications to provide a rich set of functionalities.
An electric screwdriver includes a motor having a motor shaft, a handle housing for accommodating the motor, an output shaft at least partly protruding from the handle housing, a transmission device for enabling the motor shaft to drive the output shaft to rotate around a first axis, an exploring antenna for detecting whether an object is charged, an operating switch coupled to the handle housing for controlling the motor, a first wire stripping member fixedly mounted to the handle housing; and a second wire stripping member rotatably connected to the handle housing.
B25B 23/18 - Devices for illuminating the head of the screw or the nut
B25B 21/00 - Portable power-driven screw or nut setting or loosening tools; Attachments for drilling apparatus serving the same purpose
B25F 1/00 - Combination or multi-purpose hand tools
H02G 1/12 - Methods or apparatus specially adapted for installing, maintaining, repairing, or dismantling electric cables or lines for removing insulation or armouring from cables, e.g. from the end thereof
B25G 1/08 - Handle constructions with provision for storing tool elements
F21V 11/16 - Screens not covered by groups , , or using sheets without apertures, e.g. fixed
F21V 33/00 - Structural combinations of lighting devices with other articles, not otherwise provided for
G01R 29/24 - Arrangements for measuring quantities of charge
B25B 23/00 - TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING, OR HOLDING - Details of, or accessories for, spanners, wrenches, screwdrivers
F21L 4/02 - Electric lighting devices with self-contained electric batteries or cells characterised by provision of two or more light sources
F21V 11/08 - Screens not covered by groups , , or using diaphragms containing one or more apertures
F21V 23/04 - Arrangement of electric circuit elements in or on lighting devices the elements being switches
F21Y 105/18 - Planar light sources comprising a two-dimensional array of point-like light-generating elements characterised by the overall shape of the two-dimensional array polygonal other than square or rectangular, e.g. for spotlights or for generating an axially symmetrical light beam
F21W 111/00 - Use or application of lighting devices or systems for signalling, marking or indicating, not provided for in groups
A charging system includes a first battery pack having a first capacity, a second battery pack having a second capacity and a charger for charging the first battery pack and the second battery pack. When the first battery pack is charged by the charger at a predetermined charging current I, a first charging time in which the first battery pack reaches a predetermined temperature T is set as a predetermined time t. When the second battery pack is charged by the charger at the predetermined charging current I, and when a second charging time of the second battery pack reaches the predetermined time t, the second battery pack is charged at a lower charging current. The first capacity is less than the second capacity.
A snowthrower includes a motor, an auger driven by the motor to rotate, a handle device for a user to operate, an auger housing for containing the auger and a frame for connecting the handle device and the auger housing. The auger housing is made of at least two different materials.
E01H 5/09 - Apparatus propelled by animal or engine power; Apparatus propelled by hand with driven dislodging or conveying elements, e.g. conveying pneumatically dislodging essentially by driven elements the elements being rotary or moving along a closed circular path, e.g. rotary cutter, digging wheels
E01H 5/04 - Apparatus propelled by animal or engine power; Apparatus propelled by hand with driven dislodging or conveying elements, e.g. conveying pneumatically
A power tool includes an electric motor, a functional accessory capable of being driven by the electric motor, a detection device for detecting a rotational speed of the electric motor, and a controller for controlling the electric motor with a control signal. The control is operable to estimate a load parameter according to a duty cycle of the control signal and the rotational speed of the electric motor such that the electric motor is caused to be operated by the controller with a lower rotational speed under a lower load and a higher rotational speed under a higher load.
A01D 34/00 - Mowers; Mowing apparatus of harvesters
A01D 34/58 - Driving mechanisms for the cutters electric
A01D 34/78 - Driving mechanisms for the cutters electric
H02K 11/21 - Devices for sensing speed or position, or actuated thereby
A01D 34/68 - Mowers; Mowing apparatus of harvesters characterised by features relating to the type of cutting apparatus having rotating cutters having cutters rotating about a vertical axis hand-guided by a walking operator with motor driven cutters or wheels
H02P 29/00 - Arrangements for regulating or controlling electric motors, appropriate for both AC and DC motors
A lawncare apparatus includes a main body, multiple wheels supporting the main body, a cutting blade disposed in the main body, a motor driving the cutting blade, an operating arm connected to the first end of the main body, and a transmission assembly. The transmission assembly is configured to prevent the switching device from being controlled in a mechanical way by the operation assembly or/and turning on the motor when the first member is moved towards the main body to a predetermined position relative to the second member.
A clutch device includes a guiding element, a first clutch element being capable of sliding relative to the guiding element, a second clutch element being capable of sliding relative to the guiding element, an elastic element including a first connecting leg and a second connecting leg which are respectively connected with the first clutch element and the second clutch element, and a rotating element being capable of rotating about a first axis relative to the guiding element. The rotating element includes a first supporting portion for contacting with the first connecting leg, which is disposed at a first axial position of the first axis, and a second supporting portion for contacting with the second connecting leg, which is disposed at a second axial position of the first axis.
B25D 16/00 - Portable percussive machines with superimposed rotation
F16H 1/20 - Toothed gearings for conveying rotary motion without gears having orbital motion involving more than two intermeshing members
F16H 21/44 - Gearings comprising primarily only links or levers, with or without slides all movement being in, or parallel to, a single plane for conveying or interconverting oscillating or reciprocating motions
B25F 5/00 - COMBINATION OR MULTI-PURPOSE TOOLS NOT OTHERWISE PROVIDED FOR; DETAILS OR COMPONENTS OF PORTABLE POWER-DRIVEN TOOLS NOT PARTICULARLY RELATED TO THE OPERATIONS PERFORMED AND NOT OTHERWISE PROVIDED FOR - Details or components of portable power-driven tools not particularly related to the operations performed and not otherwise provided for
A method for charging a battery includes charging the battery with a constant charging power until a battery voltage reaches a predetermined voltage. After the battery voltage reaches the predetermined voltage, charging the battery with a first charging current at least once to a voltage threshold that exceeds the predetermined voltage. A charging time in the charging process with the first charging current for the first time is a predetermined value. Subsequent charges provided in the charging process with the first charging current is a changing value according to a battery capacity. The voltage threshold exceeding the predetermined voltage is changed according to voltage variations in the charging process with the first charging current.
A lawncare apparatus includes a main body, multiple wheels supporting the main body, a cutting blade disposed in the main body, a motor driving the cutting blade, an operating arm connected to the first end of the main body, and a transmission assembly. The transmission assembly is configured to prevent the switching device from being controlled in a mechanical way by the operation assembly or/and turning on the motor when the first member is moved towards the main body to a predetermined position relative to the second member.
A rotating assembly for a grass trimmer includes a cutting element, a cutting head for mounting the cutting element and driving the cutting element to rotate about a rotating axis and a cover mounted on the cutting head. The cutting head includes a cutting head body and fan blades for generating an air flow when the cutting head being rotated, which are disposed on a top of the cutting head. The cover includes a cover body and protecting ribs for preventing the fan blades from wearing.
A power tool and a control circuit thereof by which electric energy can be recovered into a battery pack while an electric motor is braked. The control circuit includes a battery, the electric motor, an operation switch, a first control switch, a second control switch, a controller and an inductive element. The control circuit has a discharging state, a braking state and a charging state. In the charging state, the operation switch is in a second switched-on state, the first control switch is switched on, the second control switch is switched off, the battery, the inductive element, the operation switch, the electric motor and the first control switch form a charging circuit, and the electric motor charges the battery. The controller is electrically connected with the operation switch, the first control switch and the second control switch, respectively.
H02P 1/00 - Arrangements for starting electric motors or dynamo-electric converters
H02P 3/00 - Arrangements for stopping or slowing electric motors, generators, or dynamo-electric converters
H02P 5/00 - Arrangements specially adapted for regulating or controlling the speed or torque of two or more electric motors
H02P 3/14 - Arrangements for stopping or slowing electric motors, generators, or dynamo-electric converters for stopping or slowing an individual dynamo-electric motor or dynamo-electric converter for stopping or slowing a dc motor by regenerative braking
H02K 7/14 - Structural association with mechanical loads, e.g. with hand-held machine tools or fans
H02J 7/00 - Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
A01D 34/69 - Mowers; Mowing apparatus of harvesters characterised by features relating to the type of cutting apparatus having rotating cutters having cutters rotating about a vertical axis hand-guided by a walking operator with motor driven cutters or wheels with motor driven wheels
A hedge trimmer includes a first housing with a first handle, a second housing with a second handle, a transmission mechanism combined to the first housing, a trimming blade for being driven by the transmission mechanism to carry out a shearing motion, an electric motor combined to the first housing and for driving the transmission mechanism, and a battery pack combined to the second housing and for supplying power to the electric motor. The first and second housings respectively include first and second rotation connection parts for making them be connected and rotatable around a rotation axis. The second housing has first and second rotation positions when being rotated with respect to the first housing. A plane perpendicular to the rotation axis is obliquely intersected with a plane perpendicular to a longitudinal axis of the trimming blade.
A handheld electric tool includes a working device for performing a function of the handheld electric tool, a powering device for provide a driving force to the working device, and a connecting device for connecting the working device and powering device. The powering device includes: an electric motor, a power housing having an air inlet and an air outlet, a transmission mechanism for transmitting power generated by the electric motor and a circuit board for controlling the electric motor, a fan can be driven by the electric motor to provide an airflow which flows from the air inlet to the air outlet. The circuit board, the transmission mechanism and the electric motor are disposed between the air inlet and the air outlet such that the airflow flows through the circuit board, the transmission mechanism and the electric motor successively. The handheld electric tool has excellent cooling effect.
A01G 3/08 - Other tools for pruning, branching or delimbing standing trees
B25F 5/00 - COMBINATION OR MULTI-PURPOSE TOOLS NOT OTHERWISE PROVIDED FOR; DETAILS OR COMPONENTS OF PORTABLE POWER-DRIVEN TOOLS NOT PARTICULARLY RELATED TO THE OPERATIONS PERFORMED AND NOT OTHERWISE PROVIDED FOR - Details or components of portable power-driven tools not particularly related to the operations performed and not otherwise provided for
49.
Combination of work table and fence assembly and table cutting machine with combination
A combination includes a work table defining a working surface for placing a workpiece and a fence assembly including a fence. The fence is rotatably mounted on the work table. The fence includes a first contacting surface which is arranged to provide an abutting surface when the fence is rotated to an abutting position and which is arranged to provide an extending surface when the fence is rotated to an extending position, a second contacting surface which is arranged to provide a supporting surface when the fence is rotated to a supporting position, and a third contacting surface which is arranged to provide an abutting surface when the fence is rotated to the supporting position.
B27B 27/00 - Guide fences or stops for timber in saw mills or sawing machines; Measuring equipment thereon
B25H 1/02 - Work benches; Portable stands or supports for positioning portable tools or work to be operated on thereby of table type
B25H 1/10 - Work benches; Portable stands or supports for positioning portable tools or work to be operated on thereby with provision for adjusting holders for tool or work
B27B 27/08 - Guide fences or stops for timber in saw mills or sawing machines; Measuring equipment thereon arranged adjustably, not limited to only one of the groups
B23D 45/06 - Sawing machines or sawing devices with circular saw blades or with friction saw discs with a circular saw blade arranged underneath a stationary work-table
B23Q 1/28 - Means for securing sliding members in any desired position
An gardening tool, such as a mower, includes a main body and a handle rotatably connected to the main body. The main body includes a motor. The handle includes a plurality of telescopic members slidably connected to each other. The mower further includes a operation assembly for being operated by a user to activate the motor and a control system for sending a control signal to enable or disable the operation of motor by the operation assembly when the handle is out of a accommodating state.
A01D 34/63 - Mowers; Mowing apparatus of harvesters characterised by features relating to the type of cutting apparatus having rotating cutters having cutters rotating about a vertical axis
A01D 34/67 - Mowers; Mowing apparatus of harvesters characterised by features relating to the type of cutting apparatus having rotating cutters having cutters rotating about a vertical axis hand-guided by a walking operator
A01D 34/68 - Mowers; Mowing apparatus of harvesters characterised by features relating to the type of cutting apparatus having rotating cutters having cutters rotating about a vertical axis hand-guided by a walking operator with motor driven cutters or wheels
A gardening tool, such as a mower, includes a main body and a handle rotatably connected to the main body. The main body includes a motor. The handle includes a plurality of telescopic members slidably connected to each other. The mower further includes a operation assembly for being operated by a user to activate the motor and a control device for sending a control signal to enable or disable the operation of motor by the operation assembly.
A01D 69/02 - Driving mechanisms or parts thereof for harvesters or mowers electric
A01D 34/67 - Mowers; Mowing apparatus of harvesters characterised by features relating to the type of cutting apparatus having rotating cutters having cutters rotating about a vertical axis hand-guided by a walking operator
A01D 34/68 - Mowers; Mowing apparatus of harvesters characterised by features relating to the type of cutting apparatus having rotating cutters having cutters rotating about a vertical axis hand-guided by a walking operator with motor driven cutters or wheels
A gardening tool, such as a mower, includes a main body and a handle rotatably connected to the main body. The main body includes a motor. The handle includes a plurality of telescopic members slidably connected to each other. The mower further includes a operation assembly for being operated by a user to activate the motor and a control system for sending a control signal to enable or disable the operation of motor by the operation assembly when the handle is out of a secure state.
A01D 34/63 - Mowers; Mowing apparatus of harvesters characterised by features relating to the type of cutting apparatus having rotating cutters having cutters rotating about a vertical axis
A01D 34/67 - Mowers; Mowing apparatus of harvesters characterised by features relating to the type of cutting apparatus having rotating cutters having cutters rotating about a vertical axis hand-guided by a walking operator
A01D 34/68 - Mowers; Mowing apparatus of harvesters characterised by features relating to the type of cutting apparatus having rotating cutters having cutters rotating about a vertical axis hand-guided by a walking operator with motor driven cutters or wheels
An electrical combination with a battery pack and a power tool. The battery pack includes two battery pack connectors which are connected with the same electrode of a battery of the battery pack. A circuit of one battery pack connector has a resistance greater than that in another circuit of another battery pack connector. The power tool includes corresponding tool connectors. When the battery pack is connected with the power tool, the power tool is supplied with a small current by the battery pack firstly, and then is supplied with a large current, so an electric spark is eliminated when the terminals of the battery pack contact with the terminals of the power tool.
H01M 2/34 - Current-conducting connections for cells with provision for preventing undesired use or discharge
B25F 5/02 - Construction of casings, bodies or handles
H01M 2/10 - Mountings; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
B25F 5/00 - COMBINATION OR MULTI-PURPOSE TOOLS NOT OTHERWISE PROVIDED FOR; DETAILS OR COMPONENTS OF PORTABLE POWER-DRIVEN TOOLS NOT PARTICULARLY RELATED TO THE OPERATIONS PERFORMED AND NOT OTHERWISE PROVIDED FOR - Details or components of portable power-driven tools not particularly related to the operations performed and not otherwise provided for
An electrical combination includes a power tool and battery pack. The battery pack includes a detection terminal and a normal terminal, two detection circuits, and a control module for respectively connecting with the two terminals. The control module can detect and compare voltage signals in the detection circuits. One detection circuit is used to provide a comparing reference and the other detection circuit is used as a circuit of the terminals and to apply the same voltage on the terminals. A difference between voltages sampled from voltage sampling points and a predetermined value is compared to determine whether the resistance of the terminals is increased. The method can help to decide whether the connection of terminals is good or not.
B25F 5/00 - COMBINATION OR MULTI-PURPOSE TOOLS NOT OTHERWISE PROVIDED FOR; DETAILS OR COMPONENTS OF PORTABLE POWER-DRIVEN TOOLS NOT PARTICULARLY RELATED TO THE OPERATIONS PERFORMED AND NOT OTHERWISE PROVIDED FOR - Details or components of portable power-driven tools not particularly related to the operations performed and not otherwise provided for
H02J 7/00 - Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
G01R 31/02 - Testing of electric apparatus, lines, or components for short-circuits, discontinuities, leakage, or incorrect line connection
H01M 2/20 - Current-conducting connections for cells
A cutting machine includes a cutting element for cutting material, a motor for driving the cutting element to rotate and a housing for containing the motor. The motor includes a rotor sleeve being formed with a receiving chamber, a motor shaft being capable of rotating together with the rotor sleeve, a stator core at least partially contained in the receiving chamber, stator coils wound around the stator core, and a stator bracket for fixing the stator core. The stator core is formed with a through hole for the motor shaft to pass there through, the stator coils are located outside the through hole and, the motor shaft is capable of rotating relative to the stator core.
B27B 9/00 - Portable power-driven circular saws for manual operation
B23D 47/12 - Sawing machines or sawing devices working with circular saw blades, characterised only by constructional features of particular parts of drives for circular saw blades
H02K 7/14 - Structural association with mechanical loads, e.g. with hand-held machine tools or fans
A lawncare apparatus includes a main body, multiple wheels supporting the main body, a cutting blade disposed in the main body, a motor driving the cutting blade, and an operating arm connected to the first end of the main body. The distance in the horizontal direction between the axial central line of the cylindrical gripping portion of the operating arm and the axes of the elongated handle of the main body along the length direction is less than 5 cm. Because of the structure mate relationship between the operating arm and the cylindrical gripping portion, the operator feels more comfortable during the transporting process, the volume of lawncare apparatus during transporting is reduced and the convenience of transporting is improved.
A01D 34/68 - Mowers; Mowing apparatus of harvesters characterised by features relating to the type of cutting apparatus having rotating cutters having cutters rotating about a vertical axis hand-guided by a walking operator with motor driven cutters or wheels
A01D 34/00 - Mowers; Mowing apparatus of harvesters
A hand pushed lawn mower includes a power unit including a motor and a circuit board, a support device for supporting the power unit, and a fan that rotates about a rotating axis. The power unit is detachably connected with the support device and includes a power unit housing. The power unit housing includes a containing chamber for containing the motor and the circuit board, an air inlet allowing an air flow to flow into the containing chamber, and an air outlet allowing the air flow to flow out of the containing chamber. When the fan is rotated, the air flow which flows into the containing chamber from the air inlet at least passes in contact with the circuit board and then flows out of the containing chamber through the air outlet.
A01D 34/78 - Driving mechanisms for the cutters electric
A01D 34/68 - Mowers; Mowing apparatus of harvesters characterised by features relating to the type of cutting apparatus having rotating cutters having cutters rotating about a vertical axis hand-guided by a walking operator with motor driven cutters or wheels
A01D 34/69 - Mowers; Mowing apparatus of harvesters characterised by features relating to the type of cutting apparatus having rotating cutters having cutters rotating about a vertical axis hand-guided by a walking operator with motor driven cutters or wheels with motor driven wheels
An electric screwdriver includes a motor having a motor shaft, a handle housing for accommodating the motor, an output shaft at least partly protruding from the handle housing, a transmission device for enabling the motor shaft to drive the output shaft to rotate around a first axis, an exploring antenna for detecting whether an object is charged, an operating switch coupled to the handle housing for controlling the motor, a first wire stripping member fixedly mounted to the handle housing; and a second wire stripping member rotatably connected to the handle housing.
B25B 21/00 - Portable power-driven screw or nut setting or loosening tools; Attachments for drilling apparatus serving the same purpose
B25F 1/00 - Combination or multi-purpose hand tools
B25B 23/18 - Devices for illuminating the head of the screw or the nut
H02G 1/12 - Methods or apparatus specially adapted for installing, maintaining, repairing, or dismantling electric cables or lines for removing insulation or armouring from cables, e.g. from the end thereof
B25G 1/08 - Handle constructions with provision for storing tool elements
F21V 11/16 - Screens not covered by groups , , or using sheets without apertures, e.g. fixed
F21V 33/00 - Structural combinations of lighting devices with other articles, not otherwise provided for
G01R 29/24 - Arrangements for measuring quantities of charge
B25B 23/00 - TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING, OR HOLDING - Details of, or accessories for, spanners, wrenches, screwdrivers
F21L 4/02 - Electric lighting devices with self-contained electric batteries or cells characterised by provision of two or more light sources
F21V 11/08 - Screens not covered by groups , , or using diaphragms containing one or more apertures
F21V 23/04 - Arrangement of electric circuit elements in or on lighting devices the elements being switches
F21Y 105/18 - Planar light sources comprising a two-dimensional array of point-like light-generating elements characterised by the overall shape of the two-dimensional array polygonal other than square or rectangular, e.g. for spotlights or for generating an axially symmetrical light beam
A blower includes a fan for generating an air flow, a motor for driving the fan to rotate about a central axis, a battery pack for supplying power to the motor, an air duct portion including an air duct, the air duct extending long the central axis, a coupling portion for coupling with the battery pack, and a connection portion for connecting the air duct portion with the coupling portion. The fan is received in the air duct. The air duct includes an air duct inlet and an air duct outlet which are respectively located at the two ends of the air duct. The air duct inlet is located between the air duct outlet and the coupling portion. The connection portion is provided with an air intake space located between the air duct inlet and the coupling portion. The air intake space is opened in a radial direction of the central axis.
E01H 1/08 - Pneumatically dislodging or taking-up undesirable matter; Drying by heat only, or by streams of gas; Cleaning by projecting abrasive particles
A lawn mower includes a cutting element for cutting grass, a motor for driving the cutting element to rotate, a housing for containing the motor and a handle device for a user to control the lawn mower. The handle device includes a handle including a gripping portion for the user to grip and a connection portion substantially extending along a direction of a first line, and a first operating element for the user to operate. The first operating element is capable of rotating about a first axis relative to the handle. The first axis is substantially parallel to the first line.
A01D 34/00 - Mowers; Mowing apparatus of harvesters
A01D 34/68 - Mowers; Mowing apparatus of harvesters characterised by features relating to the type of cutting apparatus having rotating cutters having cutters rotating about a vertical axis hand-guided by a walking operator with motor driven cutters or wheels
A electrical combination includes a battery pack and a charger. The battery pack includes a battery pack housing including a first connecting portion for connecting the battery pack to the charger and a vent for placing an inside and an outside of the battery pack housing into communication. Battery cells are disposed within the battery pack housing. The charger includes a charger housing including a second connecting portion for engaging with the first connecting portion and an air flue having an air inlet and an air outlet, and a fan disposed within the charger housing. When the battery pack is connected to the charger, the air inlet is connected with the vent of the battery pack and the battery pack is positioned between the air outlet and the second connecting portion.
A gardening tool such as a grass trimmer is provided with a tool head, a motor for driving the tool head, a front housing for accommodating the motor, a trigger switch for activating the motor, a trigger operable to control the trigger switch, a battery pack for providing electric energy to the motor, a circuit board for electrically connecting the motor to the battery pack, and a rear housing for accommodating the circuit board. The rear housing forms a housing chamber for accommodating the trigger switch, the circuit board, and wires between the circuit board and the trigger switch.
A gardening tool includes a motor, a working assembly for performing a function of the gardening tool, and a transmission system for causing the motor to drive the working assembly. The transmission system includes a first clutch member, a movable member that is moveable from a first position to a second position, a bias member for biasing the movable member to the first position, and a second clutch member configured to rotate with the first clutch member when the movable member is biased to the first position and to rotate relative to the first clutch member when the movable member is located at the second position.
A lawn mower deck includes a deck body having a through hole. The deck body includes a chute. The chute forms a groove which is around the through hole and opened downwards. Reinforcing members are mounted to both sides of the deck body in the width direction.
A grass trimmer includes a cutting head for mounting a cutting member, a drive head having a output shaft for driving the cutting head to rotate, and an anti-winding member for preventing the output shaft from being wound to by grass. The drive head includes a drive device to drive the output shaft and a head housing for accommodating the drive device. The output shaft connects to the cutting head and passes through the anti-winding member and the anti-winding member is mounted to the cutting head so as to rotate with the cutting head and is disposed between the cutting head and the head housing so as to fill the space between the cutting head and the head housing.
B25F 5/00 - COMBINATION OR MULTI-PURPOSE TOOLS NOT OTHERWISE PROVIDED FOR; DETAILS OR COMPONENTS OF PORTABLE POWER-DRIVEN TOOLS NOT PARTICULARLY RELATED TO THE OPERATIONS PERFORMED AND NOT OTHERWISE PROVIDED FOR - Details or components of portable power-driven tools not particularly related to the operations performed and not otherwise provided for
A charging combination includes a power output device which is configured to output electric energy constantly or adjustably and a power input device which is configured to receive electric energy from the power output device. The power output device includes a power supply module for storing electric energy or obtaining electric energy from an external power grid as an energy source, a first USB connector for being connected with the power supply module and at least configured to transfer electric energy, and a first control module having a first controller which is at least configured to control an output voltage of the first USB connector when supplying electric energy. The power input device comprises a second USB connector at least configured to be electrically coupled to the first USB connector for transferring electric energy, and a second control module comprising a second controller at least configured to communicate with the first controller and to control the second USB connector. The first USB connector provides an output voltage which is greater than or equal to 5V.
An electric screwdriver includes a motor having a motor shaft, a handle housing for accommodating the motor, an output shaft at least partly protruding from the handle housing, a transmission device for enabling the motor shaft to drive the output shaft to rotate around a first axis, an exploring antenna for detecting whether an object is charged, and an operating switch coupled to the handle housing for controlling the motor. The exploring antenna has a front end portion extending beyond the handle housing. The output shaft has an inserting groove, and a ratio of the maximum size of the handle housing to the maximum size of the inserting groove in a radial direction of the output shaft is greater than or equal to 3.9 and less than or equal to 8.
B25B 21/00 - Portable power-driven screw or nut setting or loosening tools; Attachments for drilling apparatus serving the same purpose
B25B 23/00 - TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING, OR HOLDING - Details of, or accessories for, spanners, wrenches, screwdrivers
B25F 1/00 - Combination or multi-purpose hand tools
B25B 23/18 - Devices for illuminating the head of the screw or the nut
H02G 1/12 - Methods or apparatus specially adapted for installing, maintaining, repairing, or dismantling electric cables or lines for removing insulation or armouring from cables, e.g. from the end thereof
B25G 1/08 - Handle constructions with provision for storing tool elements
F21V 11/16 - Screens not covered by groups , , or using sheets without apertures, e.g. fixed
F21V 33/00 - Structural combinations of lighting devices with other articles, not otherwise provided for
G01R 29/24 - Arrangements for measuring quantities of charge
70.
Battery pack and method of indicating remaining capacity thereof
A battery pack has a battery, a sensor module, a first power supply module and an indicating module. The sensor module is used to detect a change in an electrical field or magnetic field nearby the battery pack and to activate the indicating module in response to the change being detected.
G01R 27/26 - Measuring inductance or capacitance; Measuring quality factor, e.g. by using the resonance method; Measuring loss factor; Measuring dielectric constants
H02J 7/00 - Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
H01M 10/48 - Accumulators combined with arrangements for measuring, testing or indicating the condition of cells, e.g. the level or density of the electrolyte
H01M 10/42 - Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
A power tool has a driving shaft for driving a working element and a clamping device for clamping the working element. The clamping device has a clamping position in which the working element may be fixed relative to the driving shaft and a release position in which the working element can be removed from the driving shaft. An operating member is coupled to the clamping device for moving the clamping device between positions. The clamping device also has a rotating position in which the working element can be rotated by an angle relative to the driving shaft and the operating member has an operating position that corresponds to the rotating position.
B23B 31/10 - Chucks characterised by the retaining or gripping devices or their immediate operating means
B27B 5/32 - Devices for securing circular saw blades to the saw spindle
B24B 45/00 - Means for securing grinding wheels on rotary arbors
B25F 5/00 - COMBINATION OR MULTI-PURPOSE TOOLS NOT OTHERWISE PROVIDED FOR; DETAILS OR COMPONENTS OF PORTABLE POWER-DRIVEN TOOLS NOT PARTICULARLY RELATED TO THE OPERATIONS PERFORMED AND NOT OTHERWISE PROVIDED FOR - Details or components of portable power-driven tools not particularly related to the operations performed and not otherwise provided for
B27B 19/00 - Other reciprocating saws with power drive; Fret-saws
B24B 23/04 - Portable grinding machines, e.g. hand-guided; Accessories therefor with oscillating grinding tools; Accessories therefor
B24B 27/08 - Grinders for cutting-off being portable
B23Q 3/12 - Devices holding, supporting, or positioning, work or tools, of a kind normally removable from the machine for securing to a spindle in general
A blowing machine has a main machine where the main machine includes a housing, a motor and a fan with the housing having a main machine air channel in which the motor and the fan are at least partially accommodated. An airflow guiding assembly is attachable to the housing and has an air duct for guiding the airflow and an airflow guiding member for guiding a part of the airflow in the air duct to flow in a direction deflecting from the first axis.
A47L 5/00 - Structural features of suction cleaners
A47L 9/08 - Nozzles with means adapted for blowing
E01H 1/08 - Pneumatically dislodging or taking-up undesirable matter; Drying by heat only, or by streams of gas; Cleaning by projecting abrasive particles
A47L 5/14 - Structural features of suction cleaners with power-driven air-pumps or air-compressors, e.g. driven by motor vehicle engine vacuum cleaning by blowing-off, also combined with suction cleaning
A47L 9/28 - Installation of the electric equipment, e.g. adaptation or attachment to the suction cleaner; Controlling suction cleaners by electric means
A bit accessory for a bit has a sleeve with an accommodating cavity running through the sleeve and a limiting member with a limiting hole running through the limiting member. The sleeve includes a first stopping portion for stopping the limiting member from passing through the accommodating cavity and the limiting member includes a first hole wall portion forming a first hole wall which provides the limiting hole with a minimum hole diameter and a second hole wall portion forming a second hole wall which provides the limiting hole with a maximum hole diameter. The limiting member is at least partly accommodated in the accommodating cavity, and a direction which the limiting hole runs through the limiting member is parallel to the accommodating cavity when the limiting member is stopped by the first stopping portion.
B25B 23/00 - TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING, OR HOLDING - Details of, or accessories for, spanners, wrenches, screwdrivers
A torsion output tool has a housing, a motor and a transmission assembly. The transmission assembly includes a first planetary gear train. The first planetary gear train has a first planetary gear carrier, a first level planetary gear, a first inner ring gear disposed outside the first level planetary gear and meshing therewith, and a first central wheel sliding in a direction of a first axis to a first position and a second position. The transmission assembly further has a locking member. The locking member slides synchronously with the first central wheel and only locks the relative circumferential positions of the output shaft and the first planetary gear carrier when the first central wheel is at the first position and only constitutes circumferential engagement with the first planetary gear carrier when the first central wheel is at the second position to achieve a drilling mode and an impact mode of operation for the tool.
B25F 5/00 - COMBINATION OR MULTI-PURPOSE TOOLS NOT OTHERWISE PROVIDED FOR; DETAILS OR COMPONENTS OF PORTABLE POWER-DRIVEN TOOLS NOT PARTICULARLY RELATED TO THE OPERATIONS PERFORMED AND NOT OTHERWISE PROVIDED FOR - Details or components of portable power-driven tools not particularly related to the operations performed and not otherwise provided for
B25B 21/02 - Portable power-driven screw or nut setting or loosening tools; Attachments for drilling apparatus serving the same purpose with means for imparting impact to screwdriver blade or nut socket
B25B 23/14 - Arrangement of torque limiters or torque indicators in wrenches or screwdrivers
F16H 1/28 - Toothed gearings for conveying rotary motion with gears having orbital motion
F16H 1/46 - Systems consisting of a plurality of gear trains, each with orbital gears
B25B 23/147 - Arrangement of torque limiters or torque indicators in wrenches or screwdrivers specially adapted for electrically operated wrenches or screwdrivers
75.
Discharge protection circuit and its control method
A discharge protection circuit has a cell combination with more than one cell, a power supply circuit, an output circuit, a MCU chip, a voltage detection circuit, a NTC circuit, a current detection circuit, a drive circuit and a drive switch. The power supply circuit, the output circuit and the cell combination form a series connection and the MCU chip forms an electrical connection with the voltage detection circuit, the drive circuit and the current detection circuit, respectively, with the voltage detection module being electrically connected with the cell combination and the NTC circuit respectively. A control method includes enabling a discharge procedure of the discharge protection circuit to discharge with a power quantity 0.2 times nominal power quantity each hour. In this procedure, the MCU chip is cyclically dormant to reduce the control power dissipation and improve discharge quantity while achieving discharge protection of the battery pack.
A method for controlling an electrical tool having a motor, a transmission mechanism, a control device, and a function member. The motor drives the function member to move in a reciprocating manner via the transmission mechanism. The function member has a standard position and the control device controls the motor. The control device at least has an associated position sensor capable of detecting a position of the function member. The method for controlling the electrical tool includes at least a reset movement process that is used to reset the function member to the standard position after the function member completes more than one cycle of reciprocating movement.
B25F 5/00 - COMBINATION OR MULTI-PURPOSE TOOLS NOT OTHERWISE PROVIDED FOR; DETAILS OR COMPONENTS OF PORTABLE POWER-DRIVEN TOOLS NOT PARTICULARLY RELATED TO THE OPERATIONS PERFORMED AND NOT OTHERWISE PROVIDED FOR - Details or components of portable power-driven tools not particularly related to the operations performed and not otherwise provided for
H02K 7/14 - Structural association with mechanical loads, e.g. with hand-held machine tools or fans
B25B 21/00 - Portable power-driven screw or nut setting or loosening tools; Attachments for drilling apparatus serving the same purpose
H02P 25/032 - Reciprocating, oscillating or vibrating motors
A combined housing for a power tool has an inner housing body and an outer layer body attached to the outside of the inner housing body. The combined housing has at least one vibration-suppressing area. The vibration-suppressing area is provided with a plurality of vibration-suppressing structure units and each vibration-suppressing structure unit has a unit channel formed by the inner housing body and a unit groove formed by the outer layer body and arranged on one end of the unit channel. The unit groove and the unit channel of each vibration-suppressing structure unit form a vibration-suppressing cavit, and the outer layer body serves as the outside of the outer housing.
B25F 5/02 - Construction of casings, bodies or handles
B25F 5/00 - COMBINATION OR MULTI-PURPOSE TOOLS NOT OTHERWISE PROVIDED FOR; DETAILS OR COMPONENTS OF PORTABLE POWER-DRIVEN TOOLS NOT PARTICULARLY RELATED TO THE OPERATIONS PERFORMED AND NOT OTHERWISE PROVIDED FOR - Details or components of portable power-driven tools not particularly related to the operations performed and not otherwise provided for
A hand-held power tool includes a housing defining a first longitudinal axis and an illuminating assembly mounted to the housing. The illuminating assembly includes lighting elements distributed on the housing around the first longitudinal axis, a circuit board electrically connected to the lighting elements, a main body, and a fixing member. The lighting elements are supported by the circuit board. The main body partially covers the lighting elements and the circuit board. The lighting elements and the main body are fixed to the housing by the main body cooperative with the fixing member. The lighting elements are distributed around the first longitudinal axis so that light of the lighting elements can be emitted from multiple different angles, shadows are avoided in corresponding zones, and therefore the lighting elements can be called shadow-less lighting elements.
A brushless motor includes a rotor, a plurality of sets of stator windings, a position detection assembly, a MOSFET assembly, an inductance detection module and a main control module that controls them. The position detection assembly has a plurality of detection elements for detecting a position of the rotor and a position detection module for receiving signals fed back from the detection elements with the position detection module being electrically connected to the main control module and feeding back the positional information of the rotor thereto. The main control module alternatively switches between the position detection assembly and the inductance detection module to detect the position of the rotor. When the motor runs at a low speed, the system may effectively judge the position of the rotor to enable the machine to start with a load and, when the motor runs at a high speed, the system may accurately judge the position of the rotor, correctly drive the motor to run, eliminate errors caused by assembly, and prolong the service life of the motor.
A battery pack provides a high voltage output. The battery pack includes a battery housing, and a battery cell assembly arranged inside the battery housing. The battery cell assembly comprises a trapezoid portion having a plurality of battery cells arranged in parallel, wherein the trapezoid portions defines a trapezoid formed by the connection of the reference points of the cross sections of the battery cells successively.
A battery pack, a method for detecting the battery pack, a charging assembly, and an electric tool are provided for detecting voltage and disconnection of the battery cells. The battery pack may have an output voltage of at least 56V and may include a plurality of series connection units. A voltage detecting module may be utilized for detecting voltage in the battery pack. A battery control module configured to control voltage detecting module may also be employed. The method may involve determining whether the series connection units are disconnected based on rates of voltage change or internal-resistance of the series connection units.
G01R 31/36 - Arrangements for testing, measuring or monitoring the electrical condition of accumulators or electric batteries, e.g. capacity or state of charge [SoC]
H02J 7/00 - Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
G01R 31/04 - Testing connections, e.g. of plugs or non-disconnectable joints
H01M 10/48 - Accumulators combined with arrangements for measuring, testing or indicating the condition of cells, e.g. the level or density of the electrolyte
85.
Saw blade clamping device and the operation method thereof
A saw blade clamping device has a first clamping device for clamping a first working element and a second clamping device for clamping a second clamping element, wherein the first clamping device and the second clamping device are parallel to each other and mounted to a transmission controlling mechanism. The two clamping devices can be controlled by the transmission control mechanism to can not only clamp a single saw blade but to allow for replacement of the single saw blade by double saw blades without changing the clamping system, which enables the replacement of the saw blade to be more convenient and quick.
B23D 49/00 - Machines or devices for sawing with straight reciprocating saw blades, e.g. hacksaws
B23D 51/10 - Sawing machines or sawing devices working with straight blades, characterised only by constructional features of particular parts; Carrying or attaching means for tools, covered by this subclass, which are connected to a carrier at both ends of devices for mounting straight saw blades or other tools for hand-held or hand-operated devices
A charging assembly and a charging control method are provided for charging a battery pack according to an actual voltage of a battery in a battery pack. The charging assembly includes a battery pack having a battery with a rated charging current, a charger having a charging module for outputting an output voltage and an output current, and a charging circuit between the charging module and the battery. A method of operation includes: detecting the output current and the output voltage; calculating an actual voltage value on the battery; and determining whether to decrease or keep the output current or increase the output current of the charging module.
An impact screwdriver includes a housing, a battery arranged in the housing, an electric motor arranged inside the housing, a transmission part driven by the electric motor and an impacting part, the impacting part including a hammer, an anvil matched to and hammered by the hammer, and an output shaft revolved by the anvil, wherein the rated voltage of the battery is less than or equal to 4.25V, the impact frequency of the hammer and the anvil is at least 30 Hz, and the ratio of the output torque (Nm) of the output shaft to the rated voltage of the battery is 1.8˜4.5.
B25B 21/02 - Portable power-driven screw or nut setting or loosening tools; Attachments for drilling apparatus serving the same purpose with means for imparting impact to screwdriver blade or nut socket
B25B 15/02 - Screwdrivers operated by rotating the handle
A charging assembly and a charging control method are provided for charging a battery pack in a fast charging voltage value which is greater than the rated charging voltage value. The charging assembly includes a battery pack, a charger and a control system configured to control the charger to charge the battery pack with a constant charging current. The method includes: detecting the open-circuit voltage of each battery cell and screening out a maximum open-circuit voltage value, calculating a maximum charging duration and controlling the charger to charge the battery cell assembly with a constant current when the charging voltage is equal to the fast charging voltage value or reaches the maximum charging duration.
H01M 10/48 - Accumulators combined with arrangements for measuring, testing or indicating the condition of cells, e.g. the level or density of the electrolyte
An electric tool for outputting torque includes a housing and a motor disposed in the housing, a rotatable base configured to be driven by the motor to rotate about a first axis, at least one impact block rotatably connected to the rotatable base, an output shaft rotatably connected in the housing and configured to rotate about the first axis under intermittent impact of the impact block, a locking member which, when at a first position, locks the impact block to prevent it from impacting on the output shaft and which, when at a second position, releases the impact block to allow it to rotate freely, a biasing assembly for biasing the locking member to the first position, a regulating assembly for regulating a biasing degree exerted by the biasing assembly on the locking member, and a control assembly operable by the user from outside the housing to control the regulating assembly. The locking member is disposed at least partially in the rotatable base.
B25B 21/02 - Portable power-driven screw or nut setting or loosening tools; Attachments for drilling apparatus serving the same purpose with means for imparting impact to screwdriver blade or nut socket
B25B 23/14 - Arrangement of torque limiters or torque indicators in wrenches or screwdrivers
A multi-purpose electric tool has a motor, an impact block, a detection assembly configured to detect the position and the movement state of the impact block, and a main control circuit board configured to control whether the motor is powered off upon reaching a preset state according to the detected information of the detection assembly. In the control method, the detection assembly feeds back the detected information to the main control circuit board, if the impact block is not impacting reciprocatingly, the main control circuit board performs torque control according to whether the preset state is reached; and if the impact block is impacting reciprocatingly, the main control circuit board enables the motor to output in a normal mode which does not limiting the current.
B25B 21/02 - Portable power-driven screw or nut setting or loosening tools; Attachments for drilling apparatus serving the same purpose with means for imparting impact to screwdriver blade or nut socket
B25F 5/00 - COMBINATION OR MULTI-PURPOSE TOOLS NOT OTHERWISE PROVIDED FOR; DETAILS OR COMPONENTS OF PORTABLE POWER-DRIVEN TOOLS NOT PARTICULARLY RELATED TO THE OPERATIONS PERFORMED AND NOT OTHERWISE PROVIDED FOR - Details or components of portable power-driven tools not particularly related to the operations performed and not otherwise provided for
B25B 23/147 - Arrangement of torque limiters or torque indicators in wrenches or screwdrivers specially adapted for electrically operated wrenches or screwdrivers
92.
Locking device, telescopic rod and mower comprising the locking device
A locking device includes an operating lever, a base and a repulsion generating member, wherein the operating lever has a releasing position and a locking position relative to the base, and the repulsion generating member is arranged between the base and the operating lever and generates a repulsion force for application to the operating lever during movement from the releasing position to the locking position. When the operating lever does not completely reach the locking position due to abnormal operation, the repulsion generating member will cause the operating lever to return to the releasing position thereby provide an indication. The locking device can thus provide an indication when the locking operation does not reach the correct position, thereby avoiding user confusion and abnormal operation.
A tool, such as a mower, has a main body having an accessory, such as a mowing blade, and a motor for driving the accessory. A handle is rotatably connected to the main body. At least one operation assembly is associated with the handle for being operated by a user to control the motor when the handle is located in a predetermined position. A control system prevents the motor from being controlled by the operation assembly and halts the motor when the handle is located out of the predetermined position.
A01D 34/63 - Mowers; Mowing apparatus of harvesters characterised by features relating to the type of cutting apparatus having rotating cutters having cutters rotating about a vertical axis
A measuring system includes a smart terminal and a measuring device. The smart terminal includes a first power source module, a first processor, a first wireless communication unit and a memory. The measuring device includes a measuring module, a second power source module and a second wireless communication unit. The measuring system may include one or more applications to provide a rich set of functionalities.
A bit assembly includes a bit for driving a screw, a shank for holding and driving the bit to rotate about a pivot axis wherein the bit is capable of moving relative to the shank in a predetermined range, and a limiting structure formed between the bit and the shank for preventing the bit to move beyond the predetermined range. The bit and the shank are made of different materials and form a sliding connection so that they have a certain buffer space in the axial direction and in the circumferential direction thereby reducing the effect of impacts on the service life of the bit assembly.
B25B 21/02 - Portable power-driven screw or nut setting or loosening tools; Attachments for drilling apparatus serving the same purpose with means for imparting impact to screwdriver blade or nut socket
B25B 23/12 - Arrangements for handling screws or nuts for holding or positioning screw or nut prior to or during its rotation using magnetic means
patents
