Patent ID: 6038896
Filing Date: 2000-03-21
Classification: E05B,Y10T

Abstract:
A door lock, operable by an electronic signal and having inside and outside handles (A, B) mounted on inside and outside operators respectively and having a locking means for moving a latch bolt (4) from an extended position to a retracted position, the locking means being engaged with the operators, the inside and outside operators being rotatable from a first position wherein the latch bolt (4) is in an extended position to a second position wherein the latch bolt (4) is in a retracted position, the door lock comprising:a housing (80);means for preventing rotation of the outside operator; anda reversible electric motor (20, 102) mounted within the housing (80), the motor (20, 102) being secured against rotation but free to slide axially against resistance provided by a biasing means (21, 109) and having a motor shaft (31, 106) extending therefrom to operably engage the means for preventing rotation, the motor (20, 102) moving the means for preventing rotation between an unlocked position wherein the outside operator is free to rotate and a locked position wherein the outside operator is locked against rotation.