Patent ID: 6314773
Filing Date: 2001-11-13
Classification: E05B,G07C,Y10T

Abstract:
A locking mechanism adapted to be placed in locked and unlocked positions, comprising:a lock-bolt mounted for movement between locked and unlocked positions;a first engagement element comprising a rotor having a periphery and a plurality of teeth on said periphery, said rotor further having disengaged and engageable positions;a stepper motor having a rotatable output operable to drive the rotor to the engageable position thereof;a manually operated second engagement element which can be engaged with the teeth of said rotor in said engageable position thereof;a lock-bolt drive mechanism operatively coupled between the lock-bolt and the first engagement element; anda slidable element responsive to a movement of the manually operated second engagement element and slidably moveable between engaged and disengaged positions, said slidable element cooperating with the lock-bolt drive mechanism to enable manual movement of the lock-bolt between said locked and unlocked positions thereof such that said disengaged position of the slidable element corresponds to said locked position of the lock-bolt.