ELECTROMAGNET LOCK Russian patent published in 2013 - IPC E05B47/02 

FIELD: construction.

SUBSTANCE: electromagnet lock comprises a crossbar interacting with the following components arranged in a lock body: a trap made in the form of a cylindrical bushing, and a fixator capable of longitudinal displacement. The fixator is arranged in the form of a stepped sleeve, on the bottom of which there is the first permanent magnet fixed, interacting with the crossbar head, and also a fixed electromagnet installed in the lock body with a core and a ball stop mechanism. The lock is additionally equipped with the second permanent magnet fixed on the inner end of the core with direction of the magnetic flow, which matches the direction of the electromagnet magnetic flow, a compensating ring installed in the plane of the inner end of the core, and also a magnetic shunt and a magnetoconductive plate fixed inside the fixator accordingly at the front and rear sides of the first permanent magnet. The inlet hole of the trap is arranged as corresponding to the diameter of the crossbar head, the value of fixator displacement relative to the front edge of the inlet hole of the trap is equal to the radius of the crossbar head.

EFFECT: electromagnetic lock makes it possible to increase reliability of operation.

2 dwg