Patent ID: 8661731
Filing Date: 2014-03-04
Classification: E05F,E05Y,Y10T

Abstract:
1. An electric door lock system for an electric slidable door body, the electric door lock system comprising: a screw rotatable forwards and rearwards and configured to be disposed in one side of a door frame in parallel with a direction in which the door body is slidable; a cam block disposed on a certain position of the screw to provide lock and unlock functions; and a sliding unit having a locking roller elastically biased towards the cam block and configured to directly latch onto the cam block to provide the locking function, wherein one end of the sliding unit is rotatably connected to the screw and the other end of the sliding unit is configured to be connected to the door body; wherein the cam block comprises: wherein the sliding unit further comprises: a screw nut rotatably engaged with the screw such that the screw nut is moved longitudinally along the screw when the screw and the screw nut are rotated relative to each other; a screw nut housing externally surrounding and supporting the screw nut; a spring, installed in parallel with the screw, which allows the screw nut to move freely inside the screw nut housing to a certain degree; and a spring support which prevents the spring from being dislocated from its position.