Method for electrically operating door lock has hollow U-shaped handle on inside of door which contains electric motor to operate lock

摘要

The door (2) has a knob (18) and key (20) slot (21) on the outer face and a handle (10) on the inner face containing a motor (12) and flexible drive (14) to rotate the cylinder lock and bolt (8). Memory chips (17), proximity sensor (16) and control unit (15) are all contained in the handle.