Patent ID: 6374651
Filing Date: 2002-04-23
Classification: E05B,E05C,H02B,Y10T

Abstract:
In a closing device for a switchgear cabinet door or a machine casing, having a securing device with a lock attached to the switchgear cabinet door or machine casing, with a first locking element, and a second locking element fastened on a door frame or a machine casing frame, wherein the first locking element and the second locking element can be brought into functional contact with each other and out of functional contact with each other under control of an electrical signal, the improvement comprising:a lock (10) with a locking mechanism (16, 15, 19, 13) positionable in a plurality of directions of rotation, a locking member (23) subjected to a spring tension and displaceably guided in the lock (10); in one locking position the locking member (23) under spring tension blocking a rotating movement of the locking mechanism (16, 15, 19, 13); a trigger member (51) displaceable by an electromagnet (48) attached to the door frame (42) or the machine casing frame by which the locking member (23) in the lock (10) is positioned into an unlocking position which releases the rotating movement of the locking mechanism (16, 15, 19, 13); and the lock (10) being a push rod lock with the locking mechanism having a lock actuating element (16) and a pinion (15) displacing two push rods (13 and 14), and in a position preventing rotation of the locking mechanism the locking member (23) having a plurality of detents (25) engaging the pinion (15).