Patent ID: 9382729
Filing Date: 2016-07-05
CPC Classification: A62C,E05B,Y10T

Claim Text:
1. An electronic door lock comprising: a housing mechanically mountable to a first side of a fire door; wires extending out of the housing and into the fire door; a circuit board mounted within the housing, the wires being connected to the circuit board; a fire actuated mechanical release for mechanically releasing the housing from a first side of the fire door when a second side of the fire door is exposed to a fire; and a fire actuated electrical release for electrically and mechanically disconnecting the wires from the circuit board when the second side of the fire door is exposed to a fire; the mechanical release and electrical release cooperating to release the housing having the circuit board mounted therein from connection to the first side of the fire door and allow the housing having the circuit board mounted therein to move sufficiently away from the fire door to prevent ignition of the housing and circuit board mounted therein when the second side of the fire door is exposed to a fire.