A power tool includes a housing formed of two half-housings and an end cap. A stator is mounted in the housing, and a rotor including a rotor core and a permanent magnet is mounted in the stator core. A rotary shaft having an axis of rotation extending in a front-rear direction supports the rotor core. Insulators are mounted at front and rear axial ends of the stator core, a planetary gear is mounted forward of the rotor core and a handle extends from the housing. The front insulator includes two recesses, and a first portion of each recess opens radially and a second portion of each recess opens axially rearward. Portions of the stator core cover the recesses, and projections extend from the housing and respectively mate with the recesses.
H02K 7/14 - Structural association with mechanical loads, e.g. with hand-held machine tools or fans
B25F 5/02 - Construction of casings, bodies or handles
H02K 3/28 - Layout of windings or of connections between windings
H02K 3/52 - Fastening salient pole windings or connections thereto
H02K 5/04 - Casings or enclosures characterised by the shape, form or construction thereof
H02K 5/22 - Auxiliary parts of casings not covered by groups , e.g. shaped to form connection boxes or terminal boxes
H02K 7/116 - Structural association with clutches, brakes, gears, pulleys or mechanical starters with gears
H02K 11/215 - Magnetic effect devices, e.g. Hall-effect or magneto-resistive elements
H02K 11/27 - Devices for sensing current, or actuated thereby
H02K 29/08 - Motors or generators having non-mechanical commutating devices, e.g. discharge tubes or semiconductor devices with position sensing devices using magnetic effect devices, e.g. Hall-plates or magneto-resistors
2.
ELECTRIC POWER TOOL, AND METHOD FOR CONTROLLING MOTOR IN ELECTRIC POWER TOOL
One aspect of the present disclosure provides an electric power tool including a motor, a drive circuit, a voltage detector, a first calculator, and a second calculator. The drive circuit applies a power-supply voltage to the motor in accordance with a first duty ratio. The voltage detector detects a magnitude of the power-supply voltage. The first calculator calculates a desired duty ratio based on the magnitude of the power-supply voltage detected. The second calculator increases the first duty ratio from an initial value to the desired duty ratio in accordance with a lapse of time. The second calculator varies a rate of increase of the first duty ratio based on the magnitude of the power-supply voltage detected.
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
H02P 6/08 - Arrangements for controlling the speed or torque of a single motor
A light unit is less likely to have lower light emission performance upon receiving a shock. An electric work machine includes a motor, a housing including a motor compartment accommodating the motor and a grip protruding downward from the motor compartment, an output unit located frontward from the motor and operable with a rotational force from the motor, a substrate extending above, on a left, and on a right of the output unit, and a plurality of light emitters mounted on a front surface of the substrate at intervals in a circumferential direction of the output unit. A light emitter of the plurality of light emitters nearest an apex of the substrate immediately above the output unit is at a position shifted circumferentially by a predetermined angle from the apex.
This reinforcing bar binding machine comprises: a first brushless motor that feeds a wire wound on a reel; a second brushless motor that twists the wire; a head unit on which the second brushless motor is disposed; a grip unit that extends downward from the head unit; a foot unit that is disposed below the grip unit and connected to a battery; a linking unit that is disposed to the front of the grip unit, links the head unit to the foot unit, and that has disposed thereon the reel and the first brushless motor; and a controller that controls the first brushless motor and the second brushless motor. The controller is disposed on the grip unit.
E04G 21/12 - Mounting of reinforcing inserts; Prestressing
B21F 15/06 - Connecting wire to wire or other metallic material or objects; Connecting parts by means of wire wire with wire with additional connecting elements or material
B25B 25/00 - Implements for fastening, connecting, or tensioning of wire or strip
B65B 13/18 - Bundling articles - Details of, or auxiliary devices used in, bundling machines
This reinforcing bar binding machine comprises: a first brushless motor that feeds a wire wound on a reel; a second brushless motor that twists the wire; a head section in which the reel, the first brushless motor, and the second brushless motor are disposed; a grip section extending downward from the head section; a foot section that is disposed below the grip section and has a battery connected thereto; and a controller that controls the first brushless motor and the second brushless motor. The controller is disposed in the grip section.
E04G 21/12 - Mounting of reinforcing inserts; Prestressing
B21F 15/06 - Connecting wire to wire or other metallic material or objects; Connecting parts by means of wire wire with wire with additional connecting elements or material
B25B 25/00 - Implements for fastening, connecting, or tensioning of wire or strip
B65B 13/18 - Bundling articles - Details of, or auxiliary devices used in, bundling machines
A cleaning apparatus includes: a main body; wheels movably supporting the main body; a main brush rotatably supported in (by) the main body and configured to brush up refuse on a surface-to-be-cleaned; a first dust unit, which is detachable from the main body and into which refuse brushed up by the main brush is dispatched; a second dust unit, which is detachable from the main body and into which refuse brushed up by the main brush is dispatched; and a dust-collecting assembly comprising: a dust-collecting fan; a dust-collecting motor, which rotates the dust-collecting fan; and an outflow port, from which gas that has passed through the dust-collecting fan flows out; the dust-collecting assembly being configured to suction dust swept up by the main brush. The first dust unit and the second dust unity respectively have a first passageway and a second passageway, into which gas from the outflow port flows.
A47L 11/40 - Parts or details of machines not provided for in groups , or not restricted to one of these groups, e.g. handles, arrangements of switches, skirts, buffers or levers
A power tool includes a motor, a driving mechanism, a main housing, a handle housing, a first guide part and a second guide part. The handle housing is movable relative to the main housing at least in a front-rear direction. The first and second guide parts are configured to guide relative sliding between the main housing and the handle housing in the front-rear direction. Each of the first guide part and the second guide part includes a first engagement part and a second engagement part engaged with each other to be slidable in the front-rear direction. The main housing has the first engagement part. The handle housing has the second engagement part. The second guide part is spaced apart from the first guide part and located rearward of the first guide part in the front-rear direction.
A dust collector includes a main-body housing and a motor assembly disposed in the main-body housing. The motor assembly includes a blower fan, which is disposed in the interior of the main-body housing; and a suction motor, which rotates the blower fan. The motor assembly generates suction force at a suction port, which fluidly communicates with the interior of the main-body housing. At least first and second air-exhaust passageways are respectively in the up-down direction in the interior of the main-body housing and through which air exhausted from the motor assembly flows.
A47L 9/00 - DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL - Details or accessories of suction cleaners, e.g. mechanical means for controlling the suction or for effecting pulsating action; Storing devices specially adapted to suction cleaners or parts thereof; Carrying-vehicles specially adapted for suction cleaners
A47L 5/36 - Suction cleaners with hose between nozzle and casing; Suction cleaners for fixing on staircases; Suction cleaners for carrying on the back
A dust collector includes a main-body housing and a motor assembly disposed in the main-body housing. The motor assembly includes a blower fan, which is disposed in the interior of the main-body housing; and a suction motor, which rotates the blower fan. The motor assembly generates suction force at a suction port, which fluidly communicates with the interior of the main-body housing. At least one filter is disposed in a fluid communication path between the suction port and the blower fan. A filter cleaning apparatus is configured to clean the at least one filter. A cleaning-control part is configured to actuate the filter cleaning apparatus after a power tool, which is fluidly connected to the suction port, stops operating.
A power tool includes: a motor; an output shaft that is rotated by a rotational force of the motor; a chip-on-board light emitting diode disposed around the output shaft; and a suppression device configured to suppress a temperature of the chip-on-board light emitting diode to a predetermined allowable value or less.
F21V 33/00 - Structural combinations of lighting devices with other articles, not otherwise provided for
B25F 5/02 - Construction of casings, bodies or handles
F21V 29/10 - Arrangement of heat-generating components to reduce thermal damage, e.g. by distancing heat-generating components from other components to be protected
A sander has a motor, an output shaft, a pad, a dust collecting fan arranged on the upper side relative to the pad, a motor cooling fan that is arranged on the upper side relative to the dust collecting fan, a housing and a cover. The housing has at least one air hole formed through the housing in a direction crossing an axis of the output shaft. The cover is arranged apart from the air hole outside the housing and covers the air hole.
B24B 23/02 - Portable grinding machines, e.g. hand-guided; Accessories therefor with rotating grinding tools; Accessories therefor
B24B 47/12 - Drives or gearings for grinding machines or devices; Equipment therefor for rotating or reciprocating working-spindles carrying grinding wheels or workpieces by mechanical gearing or electric power
B24B 55/05 - Protective covers for the grinding wheel specially designed for portable grinding machines
B24B 55/10 - Dust extraction equipment on grinding or polishing machines specially designed for portable grinding machines, e.g. hand-guided
H02K 9/06 - Arrangements for cooling or ventilating by ambient air flowing through the machine having means for generating a flow of cooling medium with fans or impellers driven by the machine shaft
A battery pack in one aspect of the present disclosure includes a battery and a controller provided with a counter value. During discharge of the battery pack, the controller calculates an addition value in accordance with a total number of use of the battery pack under a specified condition. The controller updates the counter value by adding the addition value. The controller prohibits the discharge of the battery pack in response to the counter value reaching a protection threshold.
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
A hammer drill includes a housing inside which a motor, a tubular tool holder, a driving mechanism, a rotation conversion member, and an inner housing are disposed. The driving mechanism is configured to perform at least one of rotation actuation of the tool holder and hammering actuation of a bit. The inner housing supports the driving mechanism, supports the tool holder via a first bearing, and supports an output shaft via a second bearing. The inner housing is divided into a front housing holding the first bearing and a rear housing that is formed in a separate body from the front housing and holds the second bearing. The inner housing is formed by connecting the front housing to the rear housing in an axis line direction of the tool holder. A seal member sealing outside space of the inner housing inside the housing is disposed in the front housing.
An intended illumination area is illuminated with light. An electric work machine includes a motor including a rotor rotatable about a rotation axis extending in a front-rear direction, an output unit located frontward from the motor and operable under a rotational force from the rotor, a light emitter, and an optical member including at least one light receiver that receives light from the light emitter and a light guide surrounding at least a part of the output unit to allow light from the at least one light receiver to travel through the light guide. The light guide has a rear surface having at least one slit, and a front surface to allow emission of light traveling through the light guide and reflected at the at least one slit.
A battery pack may be configured to be attached to and detached from an electric device including a plurality of device-side terminals. The battery pack may include: an outer case; a battery cell; a circuit board; and a plurality of battery-side terminals. A first terminal of the plurality of battery-side terminals may include a clamp portion and a non-clamp portion. The clamp portion may be configured to receive a device-side terminal of the plurality of device-side terminals and clamp the device-side terminal from both sides. An inner surface of the clamp portion may be plated with a first metal. A part of a surface of the non-clamp portion may not be plated with the first metal. The first metal may be a pure metal that is a noble metal or a noble metal alloy.
H01M 50/559 - Terminals adapted for cells having curved cross-section, e.g. round, elliptic or button cells
H01M 10/42 - Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
H01M 50/247 - Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders specially adapted for portable devices, e.g. mobile phones, computers, hand tools or pacemakers
H01M 50/55 - Terminals characterised by the disposition of the terminals on the cells on the same side of the cell
H01M 50/562 - Terminals characterised by the material
An electric power tool in one aspect of the present disclosure includes a motor, an output shaft, a drive circuit, a rotation controller, a calculator, and a deceleration controller. The output shaft is configured to attach a tool bit thereto, and be rotated by the motor. The rotation controller rotates the output shaft to thereby loosen a fastener from a fastened material. The calculator increases a determination value in accordance with a lapse of time from a first timing, and varies a rate of increase in the determination value in accordance with a speed parameter. The deceleration controller decelerates or stops the motor based on the determination value having reached a threshold value.
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
H02P 27/08 - Arrangements or methods for the control of AC motors characterised by the kind of supply voltage using variable-frequency supply voltage, e.g. inverter or converter supply voltage using dc to ac converters or inverters with pulse width modulation
An accommodating box may include: a case; and a plurality of battery attaching units supported by the case. Each of the battery packs may include an engagement member configured to engage with the electrical device when the battery pack is attached to the electrical device, engagement between the battery pack and the electrical device being released by a user's operation on the engagement member. Each of the battery attaching units may include: a terminal member unit configured to be electrically connected to one of the battery packs when the battery pack is attached to the battery attaching unit; and a holding member that holds the terminal member unit. The holding member may not be engaged with the engagement member of the battery pack when the battery pack is attached to the battery attaching unit.
An impact tool includes a housing, an impact mechanism unit, a motor, and a dust collection fan. The housing is configured to mount a dust collection attachment. The impact mechanism unit is disposed inside the housing. The impact mechanism unit has a front end to which a tool bit is mounted and an impact element that reciprocates. The impact mechanism unit is configured to impact the tool bit by the impact element. The motor is disposed such that a rotation shaft of the motor intersects with an impact axis direction of the impact mechanism unit inside the housing. The dust collection fan is disposed on the rotation shaft. The dust collection fan is disposed below the motor.
B23Q 11/00 - Accessories fitted to machine tools for keeping tools or parts of the machine in good working condition or for cooling work; Safety devices specially combined with or arranged in, or specially adapted for use in connection with, machine tools
B23Q 11/12 - Arrangements for cooling or lubricating parts of the machine
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
34.
TECHNIQUE FOR TIGHTENING FASTENERS WITH ELECTRIC POWER TOOL
One aspect of the present disclosure provides an electric power tool including an output shaft, a motor, a manual switch, a memory device, a first circuit, and a second circuit distinct from the first circuit. The memory device stores two or more sets of job information. Each of the two or more sets of job information includes at least one operation setting of the motor for performing an associated tightening operation. The first circuit (i) receives one set of job information and (ii) drives the motor in accordance with the at least one operation setting included in the one set of job information based on the manual switch being or having been manually operated. The second circuit outputs a next set of job information from the memory device to the first circuit based on the first circuit having completed driving the motor.
B25B 23/147 - Arrangement of torque limiters or torque indicators in wrenches or screwdrivers specially adapted for electrically operated wrenches or screwdrivers
H02P 23/00 - Arrangements or methods for the control of AC motors characterised by a control method other than vector control
An illumination system includes a light and a holder. The light includes: an illumination part from which light is emitted; a fixing part connected to the illumination part; and a battery mounting part to and from which a battery pack is attached and detached. The holder includes: a holder body; an attachment part connected to the holder body and to be attached to a subject; and an annular clamp unit connected to the holder body and disposed around the fixing part.
F21V 21/116 - Fixing lighting devices to arms or standards
F21L 4/04 - Electric lighting devices with self-contained electric batteries or cells characterised by provision of a light source housing portion adjustably fixed to the remainder of the device
F21L 4/08 - Electric lighting devices with self-contained electric batteries or cells characterised by means for in situ recharging of the batteries or cells
Durability deterioration caused by a shock load is effectively reduced. An impact driver includes a motor, a carrier including a reduction assembly and rotatable by the motor, a shaft that receives rotation of the carrier and is rotatable relative to the carrier in an overloaded state, a hammer held by the shaft, and an anvil that is struck by the hammer in a rotation direction.
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
A rebar tying robot may include a rebar tying unit, a conveying unit, and a control unit. The conveying unit may include a longitudinal movement mechanism, a lateral movement mechanism, and a first three-dimensional distance sensor. The control unit may be configured to execute a first rebar extraction process in which the control unit extracts point clouds from point clouds included in the first point cloud data, a first judgement process in which the control unit judges whether the primary rebar exists within a predetermined judgement area based on the point clouds extracted in the first rebar extraction process, and a lateral movement process in which the control unit drives the lateral movement mechanism. When the control unit judges in the first judgement process that the primary rebar does not exist within the judgement area, the control unit may execute the lateral movement process.
B21F 15/04 - Connecting wire to wire or other metallic material or objects; Connecting parts by means of wire wire with wire without additional connecting elements or material, e.g. by twisting
B25J 5/00 - Manipulators mounted on wheels or on carriages
A rotary hammer selectively operates in multiple modes including a first mode and a second mode. The rotary hammer includes a switch, a motor, a switch manipulation member, a locking member, and a mode detecting device. The switch manipulation member includes a body, and a protrusion that is movable between a protruding position and a retracted position. The body houses a solenoid configured to operate based on a detection result of the mode detecting device. The locking member is movable between an unlock position and a lock position where the locking member holds the switch manipulation member in an ON position by abutting the protrusion in the protruding position. The protrusion is integrated with a plunger of the solenoid. The protrusion is configured to be in the protruding position when the present mode is the first mode, and in the retracted position when the present mode is the second mode.
A power tool is less likely to have lower workability. A power tool includes a motor including a rotor rotatable about a rotation axis extending in a front-rear direction and a stator, an output unit located frontward from the motor and rotatable in response to a rotational force from the rotor, a motor compartment accommodating the motor, a grip extending downward from the motor compartment, a rear rotor bearing supporting a rear portion of the rotor, and a rear cover covering an opening at a rear end of the motor compartment and holding the rear rotor bearing. The motor compartment includes a guide that guides the rear cover in a first circumferential direction and frontward, a front-rear restrictor that restricts front-rear movement of the rear cover, and a circumferential restrictor that restricts circumferential movement of the rear cover.
An auxiliary grip for an impact tool capable of enhancing a shock absorbing function, comprising a grip shaft extending orthogonally to the impact direction, a tubular grip body covering the grip shaft, and a connecting mechanism for connecting the grip body at one end of the grip shaft.
A driving tool has a configuration for preventing deviation of a driving posture of driving members from intended position during a use. The driving tool has a guide member supplied to a driving passage and a relief passage for an engagement portion of a driver to pass. The relief passage is therefore blocked by the guide member, stabilizing a driving posture of the driving member. The guide member is then pushed by a lowermost engagement portion of the driver so as to be retreaded from the relief passage, thereby allowing the engagement portion to move downward in the relief passage.
A rebar tying robot may include a rebar tying unit, a conveying unit configured to convey the rebar tying unit, and a control unit configured to control the conveying unit. The conveying unit may include a longitudinal movement mechanism configured to move the rebar tying robot in a front-rear direction and a first three-dimensional distance sensor configured to output first point cloud data which represents a three-dimensional position of a subject in a first field of view by point clouds. The control unit may be configured to execute a first rebar extraction process in which the control unit extracts point clouds from the point clouds included in the first point cloud data and an intersection location identification process in which the control unit identifies a position where the primary rebar and the secondary rebar intersect based on the point clouds extracted in the first rebar extraction process.
B21F 15/04 - Connecting wire to wire or other metallic material or objects; Connecting parts by means of wire wire with wire without additional connecting elements or material, e.g. by twisting
B25J 5/00 - Manipulators mounted on wheels or on carriages
A power tool includes a motor, a spindle, an inner housing, an outer housing formed by an upper member and a lower member, a pair of interposing members and a pair of elastic members. The interposing members are arranged leftward and rightward of the inner housing, respectively, and fixedly connected to a first member, which is one of the upper member and the lower member, and at least partially in contact with an inner surface of the first member. The elastic members are held between a left portion of the inner housing and one of the interposing members and between a right portion of the inner housing and the other of the interposing members, respectively. A first end portion of each of the interposing members has at least one first surface extending to be closer to the inner housing toward a tip end of the first end portion.
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 audio output device has a lantern part extends along a first axis, an antenna part, an audio output part, and a control part. The antenna part has a first end and a second end that are respectively connected to a first side and a second side relative to a central part of the lantern part in a first direction parallel to the first axis. A portion of the antenna part between the first end and the second end extends in the first direction and is spaced apart from the lantern part in a direction orthogonal to the first direction. The control part is configured to cause the audio output part to output sound corresponding to a radio broadcasting wave received by the antenna part.
An electric work machine avoids lowering the visibility of a workpiece by an operator. An electric work machine includes a motor, an output unit operable with a rotational force from the motor, a light emitter at least partially surrounding the output unit, an optical member including an outer cylinder located radially outward from the light emitter, and a light transmitter located frontward from the light emitter to allow light emitted from the light emitter to pass through, and a light shield located radially outward from the outer cylinder.
The inclination of a hammer with respect to a spindle is reduced. An impact tool includes a motor, a spindle at least partially located frontward from the motor and rotatable by the motor, a hammer surrounding the spindle, an anvil at least partially located frontward from the spindle and strikable by the hammer in a rotation direction, and three or more balls between the spindle and the hammer.
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
A screwdriver is less likely to have an increased overall length. A screwdriver includes a motor, a push-in clutch located frontward from the motor, the push-in clutch being drivable by the motor, a spindle located frontward from the push-in clutch, the spindle being drivable by the push-in clutch, a push-in sensor located radially outward from and below the push-in clutch, the push-in sensor being configured to detect the push-in clutch being pushed in, and a battery configured to power the motor.
B25B 21/00 - Portable power-driven screw or nut setting or loosening tools; Attachments for drilling apparatus serving the same purpose
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
B25F 5/02 - Construction of casings, bodies or handles
A driving tool for improving shock absorbability and durability of a tubular damper, the driving tool comprising a cylinder and a piston that moves inside the cylinder owing to a gas pressure. The driving tool further comprises a driver main body to drive a driving member by moving integrally with the piston, and a lift mechanism having a wheel for the driver main body to return to original position. The driver main body is arranged such that a width center line of the driver main body is offset in a direction away from the lift mechanism with respect to a width center line of the piston.
A grease gun (1; 1A-1I) includes: a brushless motor (20); a pump (60) configured to be driven or drivable by the motor; a motor-housing part (4), which houses the brushless motor; a pump housing (45), which contains the pump and extends in an up-down direction; a tank (54), which supplies grease to the pump; and a front-tube part (67) provided at a front portion of the pump housing. A front end of the tank is connected to the pump and extends in a front-rear direction that is perpendicular to the up-down direction.
The impact tool is less likely to have a shorter service life. An impact tool includes a motor, a spindle at least partially located frontward from the motor and rotatable by the motor, a hammer surrounding the spindle, and an anvil at least partially located frontward from the spindle and strikable by the hammer in a rotation direction. The spindle includes an internal space extending frontward from an opening in a rear end face of the spindle. The internal space includes a first space having a first inner diameter and connected to the opening, a second space located frontward from the first space and having a second inner diameter smaller than the first inner diameter, and a third space connected to a front end of the second space and having a third inner diameter larger than the second inner diameter. The third space contains a lubricant oil.
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
An electric work machine includes a motor, a circuit board, a case, at least one elastic member, and a filler. The circuit board includes a heat generating element mounted thereon, and the heat generating element generates heat due to the motor being driven. The case includes a heat dissipation part thermally coupled to the heat generating element and houses the circuit board therein. The at least one elastic member is placed between the circuit board and the case, and is housed inside the case. The filler is filled inside the case and fixes the circuit board and the at least one elastic member inside the case.
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 hole is formed in a drill target with improved workability. An electric work machine includes a motor, a motor housing accommodating the motor, a handle housing including a grip including a trigger switch operable to activate the motor, a reducer, a gear housing accommodating the reducer, a rotation output unit protruding frontward from the gear housing and rotatable under a rotational force transmitted from the motor through the reducer with a drill bit being attached to the rotation output unit, and a handle fastened to the gear housing and at least partially located laterally from the gear housing.
A reciprocating tool includes a motor, a reciprocating member, and a crank mechanism. The motor is disposed in a housing. The reciprocating member projects from the housing. The crank mechanism converts rotation of a rotation shaft of the motor into reciprocation of the reciprocating member. The crank mechanism rotates around an axis in a lateral direction by rotation transmission from the rotation shaft, and the crank mechanism includes a crank member having an eccentric pin, a connecting rod coupling the eccentric pin to the reciprocating member, and a balancer coupled to the eccentric pin, and the balancer is supported by the eccentric pin alone in the housing.
H02K 9/06 - Arrangements for cooling or ventilating by ambient air flowing through the machine having means for generating a flow of cooling medium with fans or impellers driven by the machine shaft
B23B 45/00 - Hand-held or like portable drilling machines, e.g. drill guns; Equipment therefor
B23B 45/02 - Hand-held or like portable drilling machines, e.g. drill guns; Equipment therefor driven by electric power
A battery pack includes a battery, a coupling portion, a connection determiner, a receiver, and a prohibition range controller. The prohibition range controller varies a prohibition range depending on the connection or non-connection of the electric work machine that is determined by the connection determiner, or the specification of the electric work machine connected to the coupling portion. The prohibition range is defined by a current range and a voltage range. A discharge from the battery is prohibited in the prohibition range.
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 50/583 - Devices or arrangements for the interruption of current in response to current, e.g. fuses
60.
DUST COLLECTING ATTACHMENT AND ELECTRIC POWER TOOL
A dust collecting attachment for an electric power tool includes dust collecting fans, a suctioning portion, and a dust collecting portion. The suctioning portion generates a suctioning force by rotation of the dust collecting fans. The dust collecting portion captures dust suctioned from the suctioning portion. When the dust collecting attachment is mounted to an electric power tool including a motor, a fan shaft of the dust collecting fans is connected to a rotation shaft that is disposed in the electric power tool and rotates in accordance with driving of the motor to allow the dust collecting fans to rotate integrally with the rotation shaft. The dust collecting fans are disposed in a plurality of stages in an axial direction of the fan shaft.
B23Q 11/00 - Accessories fitted to machine tools for keeping tools or parts of the machine in good working condition or for cooling work; Safety devices specially combined with or arranged in, or specially adapted for use in connection with, machine tools
B23B 45/00 - Hand-held or like portable drilling machines, e.g. drill guns; Equipment therefor
B23B 45/02 - Hand-held or like portable drilling machines, e.g. drill guns; Equipment therefor driven by electric power
A nozzle includes: a main body having a lower surface that faces a cleaning target surface; a groove provided on the lower surface and recessed upward from the lower surface; and a suction port provided inside the groove and facing the cleaning target surface. The groove includes: a first groove; and a second groove at least a part of which is provided in the rear of the first groove. A depth H1 of the first groove is deeper than a depth H2 of the second groove.
This light system comprises: a first light module that has a first housing, a module-receiving portion that is located in the first housing, a first light-emitting portion that is supported by the first housing, and an electric-power-source-receiving portion that is located in the first housing; and a second light module that has a second housing, an interface that is located in the second housing, and a second light-emitting portion that is supported by the second housing. The first light module and the second light module are mechanically and electrically coupled to each other by the module-receiving portion and the interface, and the second light module is supplied with electric power via the first light module.
F21V 21/005 - Supporting, suspending, or attaching arrangements for lighting devices; Hand grips for several lighting devices in an end-to-end arrangement, i.e. light tracks
F21L 4/00 - Electric lighting devices with self-contained electric batteries or cells
F21S 2/00 - Systems of lighting devices, not provided for in main groups or , e.g. of modular construction
To provide a construction technique of a stone material crushing tool which can prevent complication of working environment. An electrically-driven stone material crushing tool including a motor having an output shaft, a motion converting mechanism to convert a rotating movement from the output shaft to a linear movement, and a crushing member to crush the stone material by clamping by means of the linear movement of the motion converting mechanism.
A dust collector in one aspect of the present invention comprises a dust collection portion, a communication portion, and an interlock operation control portion. When the communication portion receives an interlock command transmitted from an electric working machine, the interlock operation control portion makes the dust collection portion operate interlocking with the electric working machine. The interlock operation control portion includes a storage portion, in which identification information specific to the electric working machine with which the dust collection portion is to be made to perform the interlock operation is stored.
B23D 59/00 - Accessories specially designed for sawing machines or sawing devices
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
A47L 9/28 - Installation of the electric equipment, e.g. adaptation or attachment to the suction cleaner; Controlling suction cleaners by electric means
B24B 23/02 - Portable grinding machines, e.g. hand-guided; Accessories therefor with rotating grinding tools; Accessories therefor
B24B 55/00 - Safety devices for grinding or polishing machines; Accessories fitted to grinding or polishing machines for keeping tools or parts of the machine in good working condition
H05K 3/36 - Assembling printed circuits with other printed circuits
A47L 7/00 - Suction cleaners adapted for additional purposes; Tables with suction openings for cleaning purposes; Containers for cleaning articles by suction; Suction cleaners adapted to cleaning of brushes; Suction cleaners adapted to taking-up liquids
B23Q 11/00 - Accessories fitted to machine tools for keeping tools or parts of the machine in good working condition or for cooling work; Safety devices specially combined with or arranged in, or specially adapted for use in connection with, machine tools
B24B 55/10 - Dust extraction equipment on grinding or polishing machines specially designed for portable grinding machines, e.g. hand-guided
G08C 17/02 - Arrangements for transmitting signals characterised by the use of a wireless electrical link using a radio link
A screwdriver allows a screwing operation and an unscrewing operation to be performed smoothly. A screwdriver includes a housing, a motor including a stator and a rotor, a spindle, a clutch assembly, and a spindle locking assembly. The spindle includes a rod to which a tip tool is attachable, and is supported by the housing in a manner movable between an advanced position and a retracted position in a front-rear direction. The spindle has a reception hole extending frontward from a rear end face of the spindle. The clutch assembly transmits a rotational force from the rotor to the spindle in response to the spindle moving to the retracted position during forward rotation of the rotor. The spindle locking assembly transmits a rotational force from the rotor to the spindle during reverse rotation of the rotor, and includes the reception hole, and a countershaft placed in the reception hole.
A power tool having a hammer mechanism includes a motor, a driving mechanism operably connected to the motor and configured to at least linearly drive a tool accessory along a driving axis, a tool body that houses the motor and the driving mechanism, an outer housing elastically connected to the tool body such that the outer housing at least partially covers the tool body and being slidable relative to the tool body in a first direction substantially parallel to the driving axis, a guide part configured to guide sliding movement of the outer housing relative to the tool body, and a handle including a grip part extending in a second direction, the handle being elastically connected at least to the outer housing and being movable relative to the outer housing in the first direction and in at least one direction that intersects the first direction.
To reduce wasteful power consumption and noise generation, a control circuit drives a motor in response to a switch being turned on after a handle detector detects attachment of an auxiliary handle and a handle gripping detector detects gripping of the auxiliary handle, controls the motor to rotate at a predetermined first rotational speed in response to the switch being turned on with the attachment and the gripping of the auxiliary handle being detected, and controls the motor to rotate at a second rotational speed lower than the first rotational speed in response to a state of a load on a tip tool being unchanged for a predetermined period of time.
A rotary hammer includes a tool body, a tool holder, a cylinder, and a coupling member. The tool holder has a tubular shape and a longitudinal axis. The tool holder is configured to hold a tool accessory to be movable along the longitudinal axis and is supported by the tool body to be rotatable around the longitudinal axis. The cylinder extends coaxially with the tool holder and is supported by the tool body to be rotatable around the longitudinal axis. The coupling member is between the tool holder and the cylinder in a radial direction of the tool holder and is engaged with the tool holder and the cylinder to couple the tool holder and the cylinder together such that the tool holder and the cylinder integrally rotate.
A working machine may include: a prime mover; a housing that houses the prime mover; a cutting part configured to be driven by the prime mover and cut an object; a dust collecting hose for collecting dust generated by the cutting part cutting the object; and a hose holding member configured to hold the dust collecting hose. The hose holding member may be attached to the housing so as to be swingable about a swing axis.
A blower includes a body having a main inlet opening and a discharge opening, a motor assembly housed in the body, and an auxiliary inlet opening. The motor assembly includes a case, a motor and a fan. The case has a first opening and a second opening. The motor is housed within the case. The fan is configured to rotate in response to driving of the motor to generate a flow of air passing the main inlet opening, the first opening, the motor, the second opening and the discharge opening in this order. A first space that communicates with the main inlet opening and the first opening of the case is formed within the body. The auxiliary inlet opening is configured to introduce the air from an outside of the body into the first space.
A battery-powered system includes a battery pack (10; 71; 81) connected to an electrical equipment (30; 50; 76; 86). The battery pack includes a first positive electrode terminal (11), a first negative electrode terminal (12), a first communication terminal (13), a first data input circuit (23), and a first limiting circuit (D11; D72; D82) that limits a flow of electric current in a direction from the first negative electrode terminal to the first communication terminal via the first data input circuit. The connected equipment includes a second positive electrode terminal (31; 51), a second negative electrode terminal (32; 52), a second communication terminal (33; 53), a second data input circuit (43; 63; 77; 87), and a second limiting circuit (D31; D51; D77; D87) that limits a flow of electric current in a direction from the second negative electrode terminal to the second communication terminal via the second data input circuit.
H02J 7/00 - Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
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 50/574 - Devices or arrangements for the interruption of current
An electrical device may be configured to operate on supplied electric power. The electrical device may include a display configured to display a state related to the electrical device, a control device configured to control the electrical device, and a power supply configured to supply electric power to the electrical device. The display may include: a housing including a housing body, an opening, and a transmissive member, in which the opening is defined through the housing body and the transmissive member covers the opening; a light source device housed in the housing and configured to emit visible light; and a reflector housed in the housing and having a reflective surface configured to reflect the visible light emitted from the light source device toward the opening. The control device may be configured to control the light source device according to the state related to the electrical device.
F21S 43/30 - Signalling devices specially adapted for vehicle exteriors, e.g. brake lamps, direction indicator lights or reversing lights characterised by reflectors
F21S 43/20 - Signalling devices specially adapted for vehicle exteriors, e.g. brake lamps, direction indicator lights or reversing lights characterised by refractors, transparent cover plates, light guides or filters
A01D 34/00 - Mowers; Mowing apparatus of harvesters
A blower includes a body, a motor, and a single fan configured to rotate in response to rotation of a motor shaft to discharge air through a discharge opening. The maximum rotational speed of the motor shaft is within a range of 50,000 rpm to 120,000 rpm. An area of the discharge opening is changeable by a user. The blower is configured to selectively operate in a first mode or in a second mode according to the area of the discharge opening. In the first mode, the maximum blowing force of the air discharged through the opening is within a range of 2.5 N to 5.0 N when the motor is driven at the maximum rotational speed. In the second mode, the maximum dynamic pressure of the air discharged is within a range of 30 kPa to 65 kPa when the motor is driven at the maximum rotational speed.
An electric work machine includes a stator including a stator core, an insulator fixed to the stator core, and a coil mounted on the insulator, a rotor at least a part of which is disposed on an outer circumferential side of the stator, the rotor including a magnet, a stator base including a first heat dissipation fin and supporting the stator core, and an output unit driven by the rotor.
H02K 9/22 - Arrangements for cooling or ventilating by solid heat conducting material embedded in, or arranged in contact with, the stator or rotor, e.g. heat bridges
H02K 3/32 - Windings characterised by the shape, form or construction of the insulation
A battery pack includes a casing, a battery cell, a circuit board, an engaging member, a first biasing member biasing the engaging member upward, and a second biasing member biasing the engaging member upward. A part of the circuit board is arranged between the first biasing member and the second biasing member. The engaging member includes an engaging portion protruding to the outside of the casing. The engaging portion has an engaging surface that extends along an up-down direction and a left-right direction and engages with an electrical device. In a front-rear direction, the engaging surface is arranged rearward of a front end of the first biasing member and frontward of a rear end of the first biasing member. In the front-rear direction, the engaging surface is arranged rearward of a front end of the second biasing member and frontward of a rear end of the second biasing member.
H01M 50/244 - Secondary casings; Racks; Suspension devices; Carrying devices; Holders characterised by their mounting method
H01M 50/247 - Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders specially adapted for portable devices, e.g. mobile phones, computers, hand tools or pacemakers
H01M 50/284 - Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders with incorporated circuit boards, e.g. printed circuit boards [PCB]
To efficiently illuminate a wide area, an illumination apparatus includes a housing, a light emitter, and a light-transmissive member supported by the housing. The housing has an outer surface including a first outer surface and a second outer surface adjacent to the first outer surface. The second outer surface faces in a direction different from a direction in which the first outer surface faces. The light emitter is operable with power supplied from a battery pack. The light-transmissive member is transmissive to at least part of light from the light emitter and extends on the first outer surface and on the second outer surface.
A flaring tool (1) expands the diameter of an end of a synthetic resin fluid pipe. The flaring tool (1) has a motor shaft (20a) that is rotated by an electric motor (20). A feed screw mechanism (25) converts the rotation of the motor shaft (20a) into the back-and-forth motion of an output shaft (27). A wedge (3) provided at the front of the output shaft (27) presses a plurality of jaws (4). The plurality of jaws (4) are mutually open in a radially outward direction. A jaw rotation mechanism (30) comprising a shaft (31) is provided. The shaft (31) rotates in conjunction with the rotation of the motor shaft (20a). The shaft (31) axially rotates the plurality of jaws (4). The output shaft (27), the motor shaft (20a), and the shaft (31) of the jaw rotation mechanism (30) are arranged in mutual alignment and so as to overlap in a front-back direction.
An electric work machine has less size increase. An electric work machine includes a motor including a stator and a rotor at least partially located radially inward from the stator and rotatable about a rotation axis, a spindle located frontward from the stator in a front-rear direction parallel to the rotation axis and rotatable under a rotational force generated by the rotor, and a spindle bearing supporting a rear portion of the spindle in a rotatable manner. The spindle bearing is located radially inward from the stator.
B25B 21/00 - Portable power-driven screw or nut setting or loosening tools; Attachments for drilling apparatus serving the same purpose
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 5/02 - Construction of casings, bodies or handles
H02K 5/173 - Means for supporting bearings, e.g. insulating supports or means for fitting bearings in the bearing-shields using bearings with rolling contact, e.g. ball bearings
A power tool having a hammer mechanism has a tool body that houses a motor and a driving mechanism and extends in a front-rear direction; a handle including a grip part that extends in an up-down direction orthogonal to the front-rear direction behind the tool body and has a lower end formed as a free end and is arranged below the driving axis; and a plurality of biasing members configured to elastically connect the tool body and the handle. The biasing members include at least one first biasing member arranged above the driving axis in the up-down direction, and at least one second biasing member arranged below the driving axis in the up-down direction. In this power tool, a biasing force of the at least one second biasing member is larger than a biasing force of the at least one first biasing member.
A modular storage system of connectable, heavy-duty storage boxes, crates, rolling carts and/or dollies, work surfaces, organizers, trays, accessories is provided for internal and external item storage and organization and convenient access for use and transport, that is expandable, customizable and readily adaptable. Storage boxes have different sizes by length, width and/or height and have universal box-to-box connection system for stacking and connection to mounting accessories. Boxes have removable, customizable organization inserts (e.g., dividers, storage trays, bins, alignment trays for bins, and bins of different sizes). Box lid rib grid with bosses and undercuts expands internal organization, including cooperation with dual purpose dividers and accessories. Boxes have external mounting accessories to expand external organization. Different housing modes are provided including wall mount systems for wall or side of a truck or van, and different transport modes are provided (e.g., base box with wheels, or on a dolly or a cart).
A power tool including a vibration isolator can be downsized in a relative movement direction and reduce damage to wiring. A hammer drill includes a front housing including an output unit and a motor, a rear housing separate from the front housing and including a switch to be movable relative to the front housing in a front-rear direction, a vibration isolator located between the front housing and the rear housing and including a coil spring, a lead wire electrically connecting the motor and the switch, and a lead wire holder holding a middle portion of the lead wire in a lateral direction.
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
B25D 11/04 - Portable percussive tools with electromotor drive in which the tool bit or anvil is hit by an impulse member
B25D 16/00 - Portable percussive machines with superimposed rotation
84.
MODULAR STORAGE SYSTEM WITH STORAGE BOX CONNECTIVITY AND INTERNAL STORAGE AND LID FEATURES
A modular storage system of connectable, heavy-duty storage boxes, crates, rolling carts and/or dollies, work surfaces, organizers, trays, accessories is provided for internal and external item storage and organization and convenient access for use and transport, that is expandable, customizable and readily adaptable. Storage boxes have different sizes by length, width and/or height and have universal box-to-box connection system for stacking and connection to mounting accessories. Boxes have removable, customizable organization inserts (e.g., dividers, storage trays, bins, alignment trays for bins, and bins of different sizes). Box lid rib grid with bosses and undercuts expands internal organization, including cooperation with dual purpose dividers and accessories. Boxes have external mounting accessories to expand external organization. Different housing modes are provided including wall mount systems for wall or side of a truck or van, and different transport modes are provided (e.g., base box with wheels, or on a dolly or a cart).
B65D 21/02 - Containers specially shaped, or provided with fittings or attachments, to facilitate nesting, stacking, or joining together
B65D 25/06 - Partitions adapted to be fitted in two or more alternative positions
B62B 1/12 - Hand carts having only one axis carrying one or more transport wheels; Equipment therefor in which the load is intended to be transferred totally to the wheels involving parts being adjustable, collapsible, attachable, detachable, or convertible
A working machine may include a working unit having a longitudinal direction in a front-back direction, an electric motor configured to drive the working unit, a control unit configured to control the electric motor, a housing including a housing body and a grip, wherein the housing body holds the working unit and houses the electric motor and the control unit, and the grip extends from the housing body and is configured to be grasped by a user's hand, a battery pack attached to the housing and configured to supply electric power to the electric motor via the control unit, and a trigger lever disposed on the grip and configured to operate the electric motor by being pulled toward the grip by a finger of the user. A front end of the control unit may be disposed rearward of a rear end of the trigger lever.
A rebar tying tool may be configured to tie rebars with a wire. The rebar tying tool may include: a contact member configured to contact the wire during a tying operation in which the rebar tying tool ties the rebars with the wire. The contact member may include: a base; and a surface layer covering at least a part of a surface of the base and configured to contact the wire during the tying operation. Hardness of the surface layer may be higher than hardness of the base.
To avoid prolonged operation time at construction sites, an attachment includes an input shaft rotatable about a first rotation axis to receive power input from a power tool, a tip socket including a recess having a socket opening, a housing having a housing opening to receive a workpiece and supporting the tip socket in a rotatable manner, a power transmission that transmits, to the tip socket, power input into the input shaft, and a front aligner that stops rotation of the tip socket with the socket opening being aligned with the housing opening.
B25B 21/00 - Portable power-driven screw or nut setting or loosening tools; Attachments for drilling apparatus serving the same purpose
F16H 1/12 - Toothed gearings for conveying rotary motion without gears having orbital motion involving only two intermeshing members with non-parallel axes
A cutter machine may include a cutter unit, a prime mover configured to drive the cutter unit, a housing including a housing body and a grip, wherein the housing body holds the cutter unit and houses the prime mover, and the grip extends from the housing body and is configured to be grasped by a user's hand, and a hand guard attached to the housing, configured to protect fingers of the user's hand grasping the grip, and being more deformable than the housing.
A brushless motor (6) includes: a rotor (25), which rotates about a rotational axis (AX); and a stator (24), which is disposed around the rotor and comprises one or more coils (29). The rotor comprises a rotor core (31) and a rotor shaft (33), which is disposed in a shaft hole (60) of the rotor core. The rotor shaft includes: a thinner-diameter force-fitting segment (82), which is force-fit into the shaft hole with a first amount of force-fitting interference; and a thicker-diameter force-fitting segment (79), which is disposed at a location different from that of the thinner-diameter force-fitting segment in a front-rear direction parallel to the rotational axis and which is force-fit into the shaft hole with a second amount of force-fitting interference that is larger than the first amount of force-fitting interference.
H02K 7/00 - Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
B23D 49/16 - Hand-held or hand-operated sawing devices with straight saw blades actuated by electric or magnetic power or prime movers
H02K 15/02 - Methods or apparatus specially adapted for manufacturing, assembling, maintaining or repairing of dynamo-electric machines of stator or rotor bodies
A backpack working machine may be configured to eject liquid. The backpack working machine may include: a body unit; and a shoulder harness unit attached to the body unit and configured to be worn on shoulders of a user. The body unit may include: a battery unit comprising a battery attaching part to which a battery is attached; a fan unit comprising a fan configured to operate on electrical power of the battery; and a liquid tank configured to store the liquid. When the backpack working machine is placed on a placement surface, a direction perpendicular to the placement surface may be defined as an up-down direction. When the backpack working machine placed on the placement surface is viewed from above, 50% or more of the battery unit, 50% or more of the fan unit, and 50% or more of the liquid tank may overlap each other.
B05B 7/24 - Spraying apparatus for discharge of liquids or other fluent materials from two or more sources, e.g. of liquid and air, of powder and gas with means, e.g. a container, for supplying liquid or other fluent material to a discharge device
A62B 35/00 - Safety belts or body harnesses; Similar equipment for limiting displacement of the human body, especially in case of sudden changes of motion
A rebar tying tool may be configured to tie rebars with a wire. The rebar tying tool may include: a first cutter; and a second cutter configured to cut the wire by moving relative to the first cutter. The second cutter may include: a cutting part configured to contact and cut the wire; a first connecting part connected to a first portion of the cutting part; and a second connecting part connected to a second portion of the cutting part, the second portion being different from the first portion.
B21F 15/04 - Connecting wire to wire or other metallic material or objects; Connecting parts by means of wire wire with wire without additional connecting elements or material, e.g. by twisting
95.
MIST BLOWER AND MANUFACTURING METHOD OF LIQUID NOZZLE USED FOR MIST BLOWER
A mist blower may include: a liquid nozzle configured to inject liquid stored in a liquid tank into an ejection tube. The liquid nozzle may include: an end surface disposed on a distal end of the liquid nozzle, an ejection opening being defined in the end surface; a side surface constituting at least a part of an outer shape of the liquid nozzle; and a corner part connecting the end surface and the side surface and constituting a corner of the liquid nozzle. At the corner part, a virtual end surface defined by extending the end surface and a virtual side surface defined by extending the side surface may intersect at a first point. Each of a distance from the first point to the end surface and a distance from the first point to the side surface may be equal to or less than 0.3 mm.
B05B 7/24 - Spraying apparatus for discharge of liquids or other fluent materials from two or more sources, e.g. of liquid and air, of powder and gas with means, e.g. a container, for supplying liquid or other fluent material to a discharge device
09 - Scientific and electric apparatus and instruments
Goods & Services
(1) Accumulators being electrical storage batteries; apparatus for measuring the thickness and elasticity of facial skin; avalanche probes featuring sensors for measuring snow depth; bed-wetting measuring instruments; calculating machines; chargers for electric accumulators; chargers for general purpose batteries; clamp meters for measuring electric current; clinometers for measuring of angles and slopes; concrete testing machines; coordinate-measuring machines; dictating machines; digital laser levels; droppers for measuring, other than for medical purposes; electromagnetic measuring detectors; electronic circuits; electronic conductors for integrated circuits; electronic distance meters; electronic industrial controls for digital timers; electronic industrial controls for motion failure detectors; electronic instrument clusters; electronic position indicators; electronic sensors for measuring solar radiation; electronic stud finders; fine dust measuring apparatus; laser distance meters; laser distance sensors; laser measuring tapes; level measuring machines for surveying; liquid dispensing machines for dispensing pre-measured amounts; lithium-ion batteries; lithium-ion battery chargers; loud speakers; lumber testing machines; magnetic stud finders; magnetic wall stud finders; measuring and control devices for air-conditioning technology; measuring tapes; metal strength testing machines; meters for measuring alkalinity; meters for measuring electric current; meters for measuring gaseous flow; meters for measuring voltage; nmc lithium ion battery cells; radio receivers; rechargeable lithium-ion batteries; scientific measuring instruments, namely, conductivity meters; set squares being measuring instruments; sliding squares being measuring instruments; television receivers; tools for measuring the height of a tire; TV sets; USB adapters
An impact tool (1) includes: a motor (6) having a rotor (27) that is rotatable about a rotational axis (AX); a spindle (8) disposed forward of the stator and rotating when the rotor rotates; an anvil (10) having at least a portion disposed forward of the spindle and mounting a bit (300); a hammer (47), which rotatably impacts the anvil; and a housing (2), which has a motor-housing part (21) that houses the motor. The maximum tightening torque is 140 N·m or more. Overall length (La), which is the distance—in the front-rear direction parallel to the rotational axis—between a rear-end portion of the motor-housing part and a front-end portion of the anvil, is 100 mm or less. Center height Hc, which is the distance in the up-down direction between the rotational axis and an upper-end portion of the motor-housing part, is 29 mm or less.
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
An impact tool has less size increase. An impact tool includes a motor, a spindle including a spindle shaft and a flange, an anvil including an anvil shaft and an anvil projection, and a hammer including a base surrounding the spindle shaft, a front ring protruding frontward from an outer circumference of the base, and a hammer projection to strike the anvil projection in a rotation direction. The base has a groove at a boundary with the hammer projection.
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
An impact tool has less size increase. An impact tool includes a motor, a spindle, an anvil including an anvil shaft and an anvil projection, a hammer including a hammer projection to strike the anvil projection in a rotation direction, a hammer case accommodating the hammer, an anvil bearing held in the hammer case and surrounding the anvil shaft, and a cup washer facing a front surface of the anvil projection. The cup washer includes an inner ring portion in contact with a rear end face of the anvil bearing, an outer ring portion surrounding the anvil bearing, and a connecting ring portion connecting an outer edge of the inner ring portion and an inner edge of the outer ring portion.
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
An impact tool is less likely to have a shorter service life. An impact tool includes a motor, a spindle, a hammer, an anvil, and a lid. The spindle is rotatable by the motor. The spindle has an opening in a rear end face of the spindle, an internal space extending frontward from the opening and including a first space containing a lubricant oil and a second space connecting to a rear end of the first space, and a first feed port in an outer circumferential surface of the spindle. The hammer surrounds the spindle. The anvil is strikable by the hammer in a rotation direction. The lid is placeable through the opening into the second space. The first feed port allows supply of the lubricant oil from the first space to between the spindle and the hammer.
