Abstract: An actuator-controlled strike comprising a housing disposable within a doorframe and including a cavity for a spring latch and a dead latch of a mortise-type lockset. A keeper is pivotably mounted within the chamber to engage the spring latch. A pivotably mounted kicker cooperates with the keeper. A pivotably mounted dead latch release is supported by the keeper when the spring latch is within the strike. The keeper is released by the actuator and rotates into a position to ramp the spring latch out of the strike, also allowing the dead latch release to release the dead latch into the cavity, allowing the spring latch to be ramped out of the strike. Pivoting the keeper causes the kicker to urge the spring latch onto an exit ramp on a face of the keeper. The dead latch release can be installed in a plurality of different locations in the housing.

Abstract: An electric door strike assembly includes a housing and at least one keeper arm. The housing has an opening for admission and retraction of a door latch. The at least one keeper arm has a latch portion and is mounted on the housing. The at least one keeper arm is movable between a closed position, where the opening is occluded by the latch portion, and an open position, where the door latch may be released from the opening. The latch portion may include a bifurcated member having inside and outside legs arranged in spaced parallel relation so as to define a gap therebetween. The gap is configured to receive a latch plate of an interlocking latch mechanism when the at least one keeper arm is in the closed position.

Abstract: An electromechanical component for a locking mechanism is provided. The locking mechanism includes a latching component having a latch member reciprocally movable between a locked orientation and an unlocked orientation. The electromechanical component comprises a drive member configured to be coupled to the latch member, an actuator operably coupled to the drive member, a temperature sensor for sensing an ambient temperature associated with the locking mechanism; and a printed circuit board (PCB) in communication with the temperature sensor and the actuator. When the PCB receives a control signal to move the latch member between the locked orientation and the unlocked orientation, and the temperature sensor senses that the ambient temperature is below a predetermined threshold temperature, the PCB is configured to direct a pulsed current signal to the actuator to move the latch member between the locked orientation and the unlocked orientation.

Abstract: A cabinet lock for securing a door panel to a cabinet housing comprising a latching component, an electromechanical component, and a communications module. The latching component has a latch housing and latch member reciprocally translatable between locked and unlocked orientations to selectively secure the door panel to the cabinet housing. The electromechanical component includes an actuator operably coupled to a drive member that is coupled to the latch member whereby powering of the actuator translates the latch member to at least one of the unlocked or locked orientations. The communications module is configured for communication with a remote device of a municipal traffic control agency and/or a utilities worker. The communications module is configured to receive a control signal from the remote device for moving the latch member to the at least one of the unlocked orientation or the locked orientation.

Abstract: A latch dogging assembly comprises an electromagnet and an actuator mounted on a bracket. A guide slide is pivotally mounted on the bracket with a lead block coupled to the guide slide. A guide pin rides along an inner surface of the bracket causing the guide slide to pivot. A pawl is slidably engaged with the guide slide. A guide link includes a post. An armature is mounted to the panic bar and the post engages the pawl. When the actuator is energized to move the lead block, the pawl engages the post to pivot the armature and thereby cause the panic bar to move from the extended position to the depressed position. When the electromagnet is energized the armature is magnetically held preventing reverse pivoting of the guide link. A method for fully retracting a door latch is also provided.

Abstract: An actuator-controlled strike comprising a housing disposable within a doorframe and including a chamber for receiving a spring latch and a dead latch of a mortise-type lockset. A keeper is pivotably mounted within the chamber to restrain the spring latch. A pivotable spring latch lifter is positively driven by the keeper, and a pivotable dead latch release platform is supported by the keeper when the spring latch is locked within the strike. The keeper is released by the actuator and then may be rotated which causes rotation of the dead latch release platform, allowing the dead latch to enter the chamber. The keeper positively drives the spring latch lifter to lift the spring latch onto the external ramp of the strike. In an alternate embodiment, an internal ramp feature may be used instead of the spring latch lifter to positively lift the spring latch out of the chamber.

Abstract: A patch lock assembly releasably secures a glass door to an adjacent glass panel in a locked orientation. The patch lock assembly comprises a latch adapter housing, a strike adapter housing, and first and second power supply adapter housings. The latch adapter housing may interchangeably receive one of any number of various latch mechanisms without requiring further modification of the door. The strike adapter housing may interchangeably receive one of any number of various strikes, including electric strikes, without requiring further modification of the door. Respective power supply adapter housings may be coupled to each latch adapter housing and strike adapter housing. The power supply adapters include a power source and control unit to provide the necessary power to operate the latch and strike. Various interlocking features may be incorporated in the design to resist unwanted movement of the patch lock assembly relative to the glass panel.

Abstract: An energizable electromagnet of a door locking system is affixed to the door or the door frame for electromagnetically attracting an armature affixed to the other. A power control circuit is configured to selectively energize the electromagnet using a pulse-width modulated current cycle wherein two levels of magnetic force may be selectively applied to the system. A door position sensor is configured to provide a first communication signal to the power control circuit when the door is in a closed position. A second communication signal is provided when the door is not in the closed position. The electromagnet is energized at the lower level of magnetic force when the power control circuit receives the first communication signal and at the higher level of magnetic force only when an unauthorized attempt to open the door is initiated.

Abstract: An energizable electromagnet of a door locking system is affixed to the door or the door frame for electromagnetically attracting an armature affixed to the other. A power control circuit is configured to selectively energize the electromagnet using a pulse-width modulated current cycle wherein two levels of magnetic force may be selectively applied to the system. A door position sensor is configured to provide a first communication signal to the power control circuit when the door is in a closed position. A second communication signal is provided when the door is not in the closed position. The electromagnet is energized at the lower level of magnetic force when the power control circuit receives the first communication signal and at the higher level of magnetic force only when an unauthorized attempt to open the door is initiated.

Abstract: An actuator-controlled strike comprising a housing disposable within a doorframe and including a cavity for a spring latch and a dead latch of a mortise-type lockset. A keeper is pivotably mounted within the chamber to engage the spring latch. A pivotably mounted kicker cooperates with the keeper. A pivotably mounted dead latch release is supported by the keeper when the spring latch is within the strike. The keeper is released by the actuator and rotates into a position to ramp the spring latch out of the strike, also allowing the dead latch release to release the dead latch into the cavity, allowing the spring latch to be ramped out of the strike. Pivoting the keeper causes the kicker to urge the spring latch onto an exit ramp on a face of the keeper. The dead latch release can be installed in a plurality of different locations in the housing.

Abstract: An actuator controlled electric strike for operating in conjunction with a latch of a lockset. The strike comprises a keeper support bracket movable between blocking and unblocking positions. When the bracket is in the blocking position a keeper is held in a locked position, and when the bracket is in the unblocking position the keeper is movable to the unlocked position. A motor is operatively connected to the bracket and is actionable in first and second directions to move the bracket between the blocking and unblocking positions. A biasing member comprises first and second springs that apply a net force to the bracket. The first spring applies a first force to the bracket in the first direction, and the second spring applies a second force to the bracket in the second direction. When the bracket is in the blocking position, the net force of the biasing member is approximately zero.

Abstract: A latch dogging assembly comprises an electromagnet and an actuator mounted on a bracket. A guide slide is pivotally mounted on the bracket with a lead block coupled to the guide slide. A guide pin rides along an inner surface of the bracket causing the guide slide to pivot. A pawl is slidably engaged with the guide slide. A guide link includes a post. An armature is mounted to the panic bar and the post engages the pawl. When the actuator is energized to move the lead block, the pawl engages the post to pivot the armature and thereby cause the panic bar to move from the extended position to the depressed position. When the electromagnet is energized the armature is magnetically held preventing reverse pivoting of the guide link. A method for fully retracting a door latch is also provided.

Abstract: An actuator-controlled electric strike for operating in conjunction with a latch and deadbolt of a lockset. The strike comprises a housing, keeper, and deadbolt bracket. The housing includes a longitudinal length, a back wall extending along the longitudinal length, and side walls defining an entry chamber. The keeper is disposed in the entry chamber about an axis of rotation parallel with the back wall. The keeper is rotatable about the axis of rotation between locked and unlocked positions. The back wall is disposed opposite the keeper when the keeper is in the locked position. The deadbolt bracket is adjustably positioned in the entry chamber along the housing longitudinal length, wherein the deadbolt bracket includes a first wall, a second wall, and a bracket side wall connecting the first wall and the second wall. The deadbolt bracket defines at least a portion of a deadbolt receiving chamber for the deadbolt.

Abstract: What is presented is a power-transfer system that provides resonant inductive power from a first object to a second object, which is adjacent to the first object. The system includes a first transformer portion that is positioned on the first object and having a first core portion. The first core portion includes a transmit unit configured to transfer an electromagnetic field to the second transformer portion. The first core portion also includes first circuitry that allows the transmit unit to transfer the electromagnetic field. The second transformer portion is positioned on the second object and has a second core portion. The second core portion includes a receiver unit configured to receive the electromagnetic field. The second core portion also includes second circuitry that allows the transmit unit to transfer the electromagnetic field.

Abstract: A constant-current controller that supplies a constant-current to a solenoid driver for use with an electromechanical device. The controller comprises a PCB containing a constant-current control circuit. The circuit comprises a GaNFET primary switch and a secondary switch. The PCB is integrated with and made a part of the solenoid driver. A standard electromechanical device may be converted to a constant-current controlled electromechanical device by exchanging the solenoid driver.

Abstract: An exit device has an overall height when a panic bar of the exit device is in its extended position. The exit device is configured to be received, at least in part, within a recess defined within a body of the door so that the height at which the extended panic bar protrudes beyond an outer surface of the door is reduced.

Abstract: An actuator-controlled electric strike for operating in conjunction with a spring latch of a lockset is provided. The strike comprises a housing having an entry chamber therein, and a spring latch keeper disposed in the entry chamber for movement between a keeper locked position and a keeper unlocked position. The spring latch keeper includes a keeper face, a second surface recessed from the keeper face and a contact ridge between the keeper face and second surface. The keeper face is contactable by the spring latch when the spring latch keeper is in the keeper locked position. The contact ridge, disposed at a non-perpendicular angle with the rotational axis of the keeper is contactable by the spring latch as the keeper moves toward its unlocked position so that a contact point on said spring latch changes as said spring latch exits said entry chamber.

Abstract: An actuator-controlled electric strike operates in conjunction with a latch having an engaged position to secure a door in a closed state and a released position. The strike comprises a housing defining an entry chamber. A keeper is disposed in the entry chamber about an axis for rotation between a locked position and an unlocked position. A unitized actuator module is provided including a body, a keeper release and an actuator movable between first and second positions. When the actuator is in one of the first or second positions the keeper release is coupled to the keeper and the keeper is secured in the locked position. When the actuator is selectively moved to the other of the first or second positions the keeper release is decoupled from the keeper and the keeper is rotatable to the unlocked position.

Abstract: A latch system includes a releasably secured latch or keeper and a solenoid assembly. The solenoid assembly has a solenoid driver coupled to a power supply, a switching circuit connected with the solenoid driver, and a function generator to selectively adjust a frequency of a pick current output from the power supply and provided to the solenoid driver. The frequency is adjusted until the pick current induces a resulting vibration of said latch system sufficient to free a preloaded latch or keeper. The adjusted frequency may be a target frequency or a range of frequencies. Also included may be a preload sensor. When a preload is sensed, the frequency may be adjusted by the function generator until the pick current induces a resulting vibration of said latch system sufficient to free a preloaded latch or keeper.

Abstract: A constant-current controller that supplies a constant-current to a solenoid driver for use with an electromechanical device. The controller comprises a PCB containing a constant-current control circuit. The circuit comprises a GaNFET primary switch and a secondary switch. The PCB is integrated with and made a part of the solenoid driver. A standard electromechanical device may be converted to a constant-current controlled electromechanical device by exchanging the solenoid driver.