Patent ID: 8534099
Filing Date: 2013-09-17
Classification: E05B,E05C,Y10T

Abstract:
1. A door lock for selectively locking a door to a door frame, the door lock comprising: a) a lock case, b) a lock bolt pivotally coupled to the lock case about a first axis, the lock bolt configured for being selectively positioned in an extended position for placing the door in a locked position relative to the door frame, and a retracted position for placing the door in an unlocked position relative to the door frame, c) a rotary cylinder pivotally coupled to the lock case, d) an elongated rack driven endwise in response to pivotal rotation of the rotary cylinder, e) a gear pivotally coupled to the lock case, the gear rotatable by the driven rack, f) at least one bolt release link pivotally coupled to the lock case about a second axis and coupled with the gear, wherein rotation of the gear moves the at least one bolt release link between first and second angular positions relative to the lock case, wherein the at least one bolt release link positions the lock bolt to the extended position when in the first angular position, and positions the lock bolt to the retracted position when in the second angular position, and wherein the first axis is different than the second axis.