Hanchett Entry Systems, Inc.

A surface mounted electric strike for selectively retaining a door latch of a door is provided. A strike housing defines a cavity and is mounted to a door frame surface. A keeper is mounted within the housing and rotatable between a latched position and an unlatched position. The keeper includes a keeper stop face that is disposed at an angle relative to a keeper face to limit the rotation of the keeper about the axis of rotation between about 45-60 degrees when the keeper moves between latched and unlatched positions. An actuating assembly is configured for moving between a first mode and a second mode, wherein when the actuating assembly is in the first mode the keeper is prevented from moving toward the unlatched position, and wherein when the actuating assembly is in the second mode the keeper is permitted to move toward the unlatched position.

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.

A power control system for use with an electric lock mechanism including an actuator having a coil with a particular coil impedance. The power control system comprises a power supply configured to provide an output voltage having a drive current to the actuator, a credential device powered by the power supply and configured to signal the power supply to provide the output voltage upon receiving an authorized access code, an actuator driver including a multiple-gain current-sensing circuit, and a microcontroller configured to monitor and control the power supply, credential device, actuator driver, and actuator, and determine the impedance of the coil. The microcontroller is populated by a look-up table having performance data for a plurality of coils such that the microcontroller selects a duty ratio to establish the optimum magnitude of drive current to the coil based only on the determined impedance of the coil.

A surface mounted electric strike for selectively retaining a door latch of a door is provided. A strike housing defines a cavity and is mounted to a door frame surface. A keeper is mounted within the housing and rotatable between a latched position and an unlatched position. The keeper includes a keeper stop face that is disposed at an angle relative to a keeper face to limit the rotation of the keeper about the axis of rotation between about 45-60 degrees when the keeper moves between latched and unlatched positions. An actuating assembly is configured for moving between a first mode and a second mode, wherein when the actuating assembly is in the first mode the keeper is prevented from moving toward the unlatched position, and wherein when the actuating assembly is in the second mode the keeper is permitted to move toward the unlatched position.

A novel and useful solid-state degauss circuit for use with electromagnetic door locks. The door lock circuit is configured to provide a current to the electromagnetic coil load. A pulse width modulation (PWM) controller varies the frequency and/or duty cycle to a switch in series with the coil. An active, solid-state degauss circuit in line with the current flowing through the coil is provided. When triggered either in an uncontrolled or controlled manner, the active degauss circuit composed of a solid-state device, creates a short circuit across the coil after current reversal is achieved thereby degaussing.

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.

A lock unit of an electric locking device comprises a lock housing, a keeper, an inhibitor and a latch bolt. A second end of the latch bolt is positioned outwardly and cooperates with the inhibitor when in a locked orientation. The keeper includes a keeper shaft having a shaft axis of rotation, wherein said keeper is rotatable about said keeper shaft between first and second rotational positions, wherein the keeper is movable between first and second directional positions relative to the lock housing, wherein the movement between the first and second directional positions is generally linear, wherein when the keeper is held in the first rotational position and the first directional position by the inhibitor, the door is secured to the door frame, and wherein when the keeper is in the second rotational position and the second directional position, the door is allowed to move away from said door frame.

A door latch system comprises an interchangeable latch assembly for securing a door to a door frame. The interchangeable latch assembly comprises a head and a latch mounted to the head. The latch is moveable between latched and unlatched positions. A driven member is operatively connected to the latch, the driven member moveable to latch or unlatch the latch. The door latch system further comprises a universal actuating assembly removably couple-able to the interchangeable latch assembly. The universal actuating assembly comprises a mounting bracket and a driving member releasably coupled to the driven member. Actuation of the universal actuating assembly translates the driving member and the driven member, moving the latch to the unlatched position. A first interchangeable latch assembly may be swapped with a second interchangeable latch assembly without requiring modification of the universal actuating assembly.

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 is rotatable about a keeper axis of rotation. The spring latch keeper includes: a keeper face configured for abutting contact with the spring latch when the spring latch is disposed in the entry chamber and the spring latch is in the engaged position; a second surface recessed from the keeper face, and a spring latch contact ridge positioned between the keeper face and the second surface, wherein the spring latch contact ridge is disposed at a non-perpendicular angle from the keeper axis of rotation.

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.