A button assembly for a door lock may include a button and a shank. The button may be toollessly couplable to the shank to allow force transmission between the button and the shank. The button may transfer linear force and torque along a longitudinal axis of the button to the shank to allow a state of an associated lock body to be changed.
A dogging mechanism for an exit device may include a progressive latching arrangement to allow for dogging at a plurality of positions of a push bar. An electronic latch retraction device may include a camming arrangement configured to provide mechanical advantage when retracting a push bar of an exit device.
E05B 63/18 - Locks with special structural characteristics with arrangements independent of the locking mechanism for retaining the bolt in the retracted position
E05B 65/10 - Locks for special use for panic or emergency doors
E05B 47/06 - Controlling mechanically-operated bolts by electromagnetically-operated detents
An exit device for a door includes an actuator, a first rod, a second rod, a transom latch, and a side latch having a hook latch head. The side latch may be a mortise latch which may include a plurality of grooves for alignment during installation. When installed in an associated door, the exit device may withstand multiple impacts from windbome objects or pressures induced by high winds.
E05C 9/02 - Arrangement of simultaneously-actuated bolts or other securing devices at well-separated positions on the same wing with two sliding bars moved in the same direction when fastening or unfastening
E05C 9/04 - Arrangement of simultaneously-actuated bolts or other securing devices at well-separated positions on the same wing with two sliding bars moved in opposite directions when fastening or unfastening
E05C 9/06 - Arrangement of simultaneously-actuated bolts or other securing devices at well-separated positions on the same wing with three or more sliding bars
A status indicator for a locking mechanism may include a status indicator face, a status indicator plate, a cam coupling, and a locking mechanism coupler. The status indicator face and status indicator plate may be at least partially moveable relative to one another. The locking mechanism coupler may have a greater rotational range of motion than the cam coupling. The status indicator face may indicate the state of a locking mechanism and may have a viewing angle greater than or equal to 180 degrees.
Embodiments described herein relate to an exit device having a construction that facilitates visual inspection of the state of the exit device. Embodiments of the exit device include a visual indicator as to the state (dogged or undogged) of the exit device.
Systems and methods for controlling the emission of gases and/or flames emitted from one or more electrochemical cells are disclosed. In one exemplary embodiment, gas emitted from an electrochemical cell located within an interior of an enclosure may be flowed through a flow restriction to reduce a pressure and/or temperature of the gas and/or the gas may be flowed through a catalyst prior to exiting through an outlet of the enclosure.
An anti-ligature handle and escutcheon mechanism mountable on a door for operating a lock for securing the door. The mechanism comprises a handle movable between open and closed positions, the handle having a smoothly curved outer surface to prevent the attachment of a ligature thereto and comprising a pivot at a first end for rotating the handle between the open and closed positions to operate the lock. An escutcheon fixed relative to a backing plate is oriented for mounting parallel to the door when the mechanism is mounted on an outer surface of the door, wherein the escutcheon surrounds the handle and defines a recessed area within which the handle pivots. The handle further has a second end including a guide which is trapped beneath and slides along an arcuate edge of the recessed area of the escutcheon to maintain flush contact between a mating surface of the handle and the backing plate to prevent ligatures from being inserted therebetween as the handle rotates to operate the lock. The mechanism further comprises a mounting plate disposed between the backing plate and an inner surface of the door when the mechanism is mounted on the outer surface of the door, the mounting plate fixed relative to the escutcheon and backing plate.
A latch assembly for a door includes automatically deployable deadbolt. When the door is closed and the latch engages a strike plate, the deadbolt automatically extends into a corresponding opening in a door jamb to secure the door.
E05B 63/20 - Locks with special structural characteristics with arrangements independent of the locking mechanism for retaining the bolt in the retracted position released automatically when the wing is closed
A locking mechanism for a bored lock has a lock chassis, a locking element, a motor housing, a reversible electric motor, an auger, and a spiral lock spring disposed between the locking element and the motor. The motor may drive the auger in a first or second rotational direction to move the spring towards/away from the motor to reduce/increase spring force on the locking element, thereby moving the locking element to an unlocked/locked position. One of the locking element and motor housing has a projection while the other has a guideway for slideably receiving the projection. The guideway prevents rotation of the locking element with respect to the motor as it moves between locked and unlocked positions. The projection and guideway are interlocked to prevent disassembly of the locking element and motor housing.
A lock for a door to a room comprising an interior handle disposed on an interior surface of the door, the interior handle having a lock control, the lock control operable between a first position and a second position and an exterior handle disposed on an exterior surface of the door. The lock includes a visual lock indicator on a portion of the interior or exterior handle. The lock control is operable between a first position and a second position. The lock includes a lock body disposed between the interior handle and the exterior handle, the lock body operable by the lock control from the first position wherein the exterior handle allows the door to open to the second position wherein the exterior door handle is prevented from opening the door. The visual lock indicator is in an off condition when the lock control is in the first position and the visual lock indicator is in an on condition when the lock control in the second position, the visual lock indicator indicating that the room is occupied and secured.
An adapter and interface permits a standard mortise lock to drive top and bottom latch mechanisms of a multi-point lock system. An actuator permits in situ adjustment of the top and bottom vertical latch projections of adjusting these projections while the door is hung in the door frame. An installation tool assists in the installation of the vertical rods in a door. A connector and carrier secures the vertical rods to the actuator and permits verification of retention of the rods in a multi-point latching system. A latch dogging indicator allows for end-user adjustment between a single-point lock and a multi-point lock system when desired. These different aspects may be employed in combination or separately with other locking systems.
An electronic entry device such as a door lock includes a display that uses substantially no power when a static image is presented. Such a display can be "always on" and be used to display information to users of the entry device on a continuous basis. In some embodiments, the persistent display is an e-ink display. In some embodiments, the persistent display may present a scannable code, such as a QR code, that is statically displayed on the persistent display when a new product is unboxed. The persistent display can also present weather, news, scheduling, or other information.
Systems and methods for controlling access through a door are provided. Certain of the systems and methods described herein include a detection sensor that detects the proximity or contact by a user to a door handle or other portion of a door. According to one aspect, upon detection of such proximity or contact, a reader is controlled to change from a low power mode to an operational mode to read a credential. According to another aspect, upon detection of such proximity or contact, an access notification system generates a perceptible signal inside the access-controlled location that a user is at the door.
A method for measuring energy harvested from at least one energy source for use in an access control system, comprising providing an access control device adapted to be at least partially powered by energy harvested from at least one energy source; providing at least one sensor receiving energy from the at least one energy source; providing an energy harvesting manager coupled to the at least one sensor; providing a capacitive storage device coupled to the energy harvesting manager; charging the capacitive storage device to a voltage high threshold, V-HTH; applying a reference load to the capacitive storage device until the capacitive storage device discharges to a predetermined voltage value; determining a time constant; and determining an exact or near exact capacitance of the capacitive storage device by comparing the time constant to the reference load predetermined value.
Methods and system for securing delivery of a parcel when an intended recipient is unavailable, comprising at least one storage receptacle having an electronically controlled locking mechanism, the storage receptacle comprising an interface for receiving an access code for facilitating unlocking of the storage receptacle, a wireless communication radio, and a processor. The system further comprises a remote service manager comprising an access code generator and a wireless communication radio for transmitting an access code to a mobile computing device operated by a delivery carrier. The mobile computing device includes a wireless communication radio, one or more processors, and a memory comprising instructions which, when executed by the one or more processors, cause the one or more processors to: receive, via the wireless communication radio, from the remote service manager, a single use access code for facilitating unlocking of the storage receptacle, and transmit the access code to the storage receptacle interface.
G07C 9/00 - Individual registration on entry or exit
G07C 11/00 - Arrangements, systems or apparatus for checking, e.g. the occurrence of a condition, not provided for elsewhere
G07F 7/04 - Mechanisms actuated by objects other than coins to free or to actuate vending, hiring, coin or paper currency dispensing or refunding apparatus by paper currency
G07F 17/00 - Coin-freed apparatus for hiring articles; Coin-freed facilities or services
G07F 17/10 - Coin-freed apparatus for hiring articles; Coin-freed facilities or services for means for safe-keeping of property, left temporarily, e.g. by fastening the property
G07F 17/12 - Coin-freed apparatus for hiring articles; Coin-freed facilities or services for means for safe-keeping of property, left temporarily, e.g. by fastening the property comprising lockable containers, e.g. for accepting clothes to be cleaned
16.
INTERCONNECTED LOCK WITH DIRECT DRIVE FOR ADJUSTABLE DEADBOLT TO LATCHBOLT SPACING
An interconnected lock for use on a door, where the lock has adjustable offset spacing between a deadbolt and latchbolt. The lock includes first and second shafts for actuating the deadbolt lock mechanism, at different offset spacings. A linkage arm connected to and moveable by the latchbolt actuator is alternately connectable to rotate either the first or second deadbolt-actuating shaft. The linkage arm has first and second upper positions, for alternate connection to rotate the first and second deadbolt-actuating shafts, respectively. Upon operation of the interior actuator, the linkage arm moves the deadbolt along the second axis from the latched to the unlatched position at the same time that the operation of the interior actuator moves the latchbolt along the first axis from the latched to the unlatched position.
A delayed egress exit push rail system for a door has a push rail movable relative to a housing between a home position and a second position to open the door, a sensor for determining the position of the push rail as the push rail moves between the home position and the second position and a controller connected to the sensor. The sensor detects a current position of the push rail in the home position and the controller determines if the current position of the push rail detected by the sensor is within a predetermined acceptable range of positions relative to the home position. If the controller determines that the current position of the push rail is outside of the predetermined range, the controller unlocks the door for immediate egress, relays an error message via light or sound and/or communicates with a remote monitoring device.
A interconnected lock has adjustable offset spacing between latchbolt and deadbolt lock mechanisms, and a sliding pusher mechanism therebetween. The pusher mechanism is operable upon operation of an interior actuator to bear against the deadbolt lock mechanism and move the deadbolt along the second axis from the latched to the unlatched position at the same time that the operation of the interior actuator moves the latchbolt along the first axis from the latched to the unlatched position. The pusher mechanism includes an arm that bears against the deadbolt lock mechanism and may be retracted and extended between a first length and a second, longer length when changing offset spacing between the deadbolt and latchbolt. The arm is extendable from the first length to the second length without adding or removing any components thereof.
An electronic circuit to capture legacy lock controller pulses and reduce the energy consumed. The legacy pulse is captured, converted to power to power the circuit and the direction of the pulse - polarity - is determined. A substitute pulse is created at lower power and sent to a motor actuator in the lock. The total power consumed is substantially reduced by reducing the duration and voltage of the pulse. In the preferred design, the circuit also detects control voltages for solenoid locks and produces suitable control signals for a motor actuator.
A configurable electrical connector key for connecting an electronic door lock to an external unit, such as a lock monitoring or control system, includes a connector key housing shaped to engage the electronic door lock and a configurable circuit mounted within the connector key housing that makes a configured interconnection between selected components within the door lock and the external unit. The combination of an electrical connector key and an electronic door lock and a system and method including multiple differently configured electrical connector keys and one or more standardized electronic door locks allow selected sensors and functions of the door lock to enabled by selecting an appropriately configured electrical connector key.
An apparatus and method for releasably mounting access control components for a door lock to a door. A base element is adapted to be mounted to the door. A first wire connector element is mounted to the base element. A mounting element with combustible material attached is provided. A second wire connector element is mounted to the mounting element, and the second wire connector element is releasably connected to the first wire connector element to mount the mounting element to the base element. A spring is provided, and a retainer holds the spring in a loaded state, but in a fire event the retainer may melt, allowing the spring to apply force to the mounting element. Alternatively, an expanding material may apply the force. The force causes the wire connector elements to disconnect and allow the mounting element to separate from the base element.
An electric latch retraction device for vertical rod door latches includes an automatic adjustment feature including a limit switch and a linear sensor, such as a Hall effect sensor, which detects vertical position. A microcontroller monitors the vertical position of a pivoting retraction lever driven at the pivot by a linear driver. The housing for the electric latch retraction device is preferably external to the door and one end of the retraction lever extends into the door to drive a vertical rod door latch mechanism while an opposed end contacts the limit switch to signal that continued driving of the linear driver will begin to drive the vertical rod door latch. The microcontroller determines from the vertical position of the retraction lever when the limit switch is actuated whether the electric latch retraction device is mounted too high or too low.
An inline motorized lock drive is mountable within a lock housing to drive a sliding locking element between a locked and unlocked position. The lock drive includes a reversible motor having a shaft with an augur thereon to drive a lock spring, which drives the locking element. The sliding motion of the locking element is axially aligned with the motor axis to substantially reduce friction. The lock drive is preferably modular and emulates a solenoid lock drive with a control circuit. The control circuit is connected to drive the motor is switchable to default to a locked position or an unlocked position and emulate a "fail safe" or a "fail secure" type solenoid lock drive.
An anti-ligature handle and escutcheon for operating a lock, The handle and escutcheon are smoothly curved in all directions to eliminate hanging points and prevent suicide by preventing the attachment of a ligature to the handle or escutcheon. The handle is curved to allow fingers to be inserted behind the handle to pull on the handle. The handle is attached to a handle plate that slides behind an escutcheon plate portion of the escutcheon. Multiple ligature traps in the form of an inverted "V" are positioned in parallel offset rows between the handle plate and the escutcheon plate to prevent the insertion of a ligature around the handle and handle plate.
A release mechanism is actuated by the heat of a fire to electrically and mechanically disconnect electrical wiring from an electronic lock having a plastic housing. The electronic lock is mounted on a fire door and as it is heated by a fire on the opposite side of the fire door, mounts that hold the lock melt, releasing the electronic lock to drop away from the fire door and prevent ignition of the plastic housing. The release mechanism may use shape memory alloy wire to contract and disconnect a ribbon cable. Solder connectors may also be used to disconnect wires. Intumescent material that expands when heated is used to drive the lock mechanism away from the fire door and insulation is used to control the timing of melting.
A door lock with integrated door position sensor includes rectangular magnets positioned behind the door strike to maximize magnetic field strength in available space limited by industry-standard dimensions for the door strike. A beveled or stepped mounting opening for the sensor is formed in a front plate of the door lock and behind a non magnetic faceplate. The shape of the mounting opening allows the magnetic field to penetrate deeply through the faceplate and front plate to actuate the door position sensor. The sensor may be used in mortise locks or bored locks. In an alternative embodiment, the sensor is spring mounted to eliminate all mounting tolerances and ensure that the sensor is maximally forward and flush against the back of the non-magnetic faceplate.
An electronic lock with power failure control circuit includes a lock mechanism having a latchbolt movable between extended and a retracted positions and an electrically powered lock actuator to lock and unlock the latchbolt. The power failure control circuit includes a microcontroller and the lock is connected to a primary power source and an auxiliary power source, preferably supercapacitors and charger that can be turned on by the microcontroller and off when the charger signals a full charge. A power monitor circuit detects low voltage on the primary power supply and sets a power failure interrupt causing the microcontroller to execute power failure instructions that control the actuator so that the lock is placed into a desired locked or unlocked final state during the power failure, upon detection of the return of good power, the system resets the lock.
A drive mechanism for door hardware, such as a pushbar exit device, includes a driver for moving a component of the door hardware, a controller for controlling the operation of the driver, a sensor for detecting motion of the moving component and a spring connected between the driver and the door hardware component. The spring allows the driver to move for a period of time after the component has stopped moving. The controller monitors the sensor and moves the component until the sensor indicates that the driven component has stopped moving. The sensor produces an output signal and the controller detects an inflection point in the output signal when the component stops moving while the driver is still operating.
A drive mechanism for door hardware, such as a pushbar exit device, includes a driver for moving a component of the door hardware, a controller for controlling the operation of the driver, a sensor for detecting motion of the moving component and a spring connected between the driver and the door hardware component. The spring allows the driver to move for a period of time after the component has stopped moving. The controller monitors the sensor and moves the component until the sensor indicates that the driven component has stopped moving. The sensor produces an output signal and the controller detects an inflection point in the output signal when the component stops moving while the driver is still operating.
A locking device includes an integrated circuit board specially shaped to fit the locking device and to bring a sensor on the circuit board adjacent to a moving lock component. The circuit board is preferably routed to form a convex shape that matches the locking device and provides printed circuit wiring to connect one or more sensors or other components to an external wiring harness, thereby reducing point-to-point wiring within the lock. Multiple different circuits may be provided on the same circuit board, which are automatically selected by the connectors used on different corresponding wiring harnesses and/or actuators. The design reduces assembly costs and allows rapid electrification of existing mechanical locking devices with minimal modification.
The present invention provides a pin and tumbler cylinder lock and a retrofitted cylinder lock which minimizes unauthorized openings of the lock by bumping. The cylinder lock utilizes specially designed driver pins which are correlated in size to the largest possible stack height of the tumbler pins with a bump key inserted in the plug portion of the lock and the shear line height of the lock. All the driver pins are about the same height and preferably symmetrical with a lip on each end. The invention also provides a method for retrofitting existing locks by removing at least one of the driver pins and replacing the removed driver pin or pins with the driver pins of the invention.
A pin assembly includes a spring held in compression inside a case by a thermal fuse located at the back end of the pin. The fuse is thermally activated to collapse, which allows the back end of the pin to move forward. The spring drives the front end of the pin out of the case into latching engagement between a first object, such as a fire door, and a second object, such as a floor or a doorframe. The fuse and spring are located on opposite sides of a restrictive opening at the back end of the case. The fuse is preferably cylindrical, surrounds the back end of the pin and is provided with holes oriented perpendicular to the cylindrical axis of the fuse forming a web. The holes weaken the fuse and cause it to collapse in a controlled manner at the desired activation temperature.
E05C 1/12 - Fastening devices with bolts moving rectilinearly with latching action with operating handle or equivalent member moving otherwise than rigidly with the latch
An electronic push retraction exit device includes a support rail, a push rail and a latch mechanism having a latch bolt operably connected to the push rail and movable between latched and unlatched positions. A control circuit in the exit device drives a linear actuator to retract and hold the push rail and the latch bolt in the unlatched position. The linear actuator preferably includes a stepping motor and is connected to the push rail through a lost motion connection allowing the exit device to be mechanically operated without moving the linear actuator. The control circuit preferably includes an electrical adjustment for the retraction distance of the latch bolt and an adjustable relatch timer. The exit device may be operated by a remote switch attached to a control connection, which may be permanently closed to simulate a prior art electrically operated exit device for compatibility with third party control systems.
A return spring assembly for returning a handle to the horizontal orientation includes a spring housing (12) having an outer flange that contacts an outer surface of a door around a perimeter of a bored opening and an inner portion with a curved section that securely supports a latchbolt lock mechanism when an identical return spring assembly is installed on an opposite side of the door. A spring (40) is driven by two spring drivers operating with a lost motion connection to the handle spindle to alternately compress the spring from opposite directions as the handle is rotated in opposite directions. The spring is positioned to not interfere with a linkage extending out from the latchbolt lock mechanism.
A vertical door locking system includes a sliding latch mounted to a door that opens vertically, such as a garage door or corrugated self-storage door, and an electrically operated solenoid mounted at a fixed location on a guide rail for the door or the door frame. The latch includes a latchbolt that extends outward from the door to prevent the door from being raised vertically and the latchbolt has an opening at one end. The solenoid includes a spring operated solenoid rod that extends into the opening in the latchbolt to prevent the latchbolt from being retracted thereby preventing the door from being opened unless the solenoid is electrically operated to disengage the solenoid rod and release the latchbolt.
patents
