Patent ID: 6418765
Filing Date: 2002-07-16
Classification: E05B,Y10T

Abstract:
An electric motor-driven lock having an inner part installed on an interior face of a door of a room, an outer part installed on an exterior face of the door, and a latch, wherein the improvement comprises:the inner part having a cover, an inner handle, and a motor, the cover having a loophole, the inner handle having a handle bar, a barrel formed on the handle bar and being inserted through the loophole, and a releaser installed on the barrel, the motor being able to drive a linker engaging with the releaser via a ring covering on a semi-circular wall, the barrel being inserted through an opening defined in a support plate on which a bias spring is installed by means of a cap, a linking tube being connected to the releaser by a long plate and wherein when the lock is locked, it is able to be released exterior of the room either by a magnetic card, a key, or a password outdoor or rotating the releaser via an interior of the room.