A method for remotely operating a hinged door to a security area has an electromagnetically operated catch within the door frame and a pivoting hook lever in a mortice lock in the door

摘要

The door frame (1) has a hinged door (2) with a mortice lock (3) having a hook lever (5) pivoting on a plate (6) which is released by operation of an electromagnet (4) in the door frame. The door then may be opened by rotating a spring loaded bush by means of an external handle or knob.