Patent ID: 6053019
Filing Date: 2000-04-25
Classification: E05B,Y10T

Abstract:
In an electromechanical lock system for use on a door of a room, said lock system having a lock case, an outside door handle which faces outside said room, an inside door handle which faces inside said room and an electromagnetic stopper means for blocking rotation of said inside door handle and outside door handle and preventing opening of said door, the improvements comprising:the electromagnetic stopper means mounted on said door and facing inside said room;a shaft connected to said outside door handle at one end of said shaft, said shaft extending through said door and locking case and connected to a first cam member at the other end of said shaft, said first cam member facing inside said room, said electromagnetic stopper means blocking rotation of said first cam member, said shaft and said outside door handle thereby preventing opening of the door by said outside door handle; anda second cam member connected to said inside door handle and facing inside said room, said second cam member having first degrees of rotation for releasing the blocking function of said electromagnetic stopper means and second degrees of rotation for rotating said first cam member, said shaft, and said outside door handle after releasing the blocking function of said electromagnetic stopper means, thereby opening said door.