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

FIELD: construction.

SUBSTANCE: coaxially in a lock body there are the following components installed: a catch made in the form of a bushing, and a fixator capable of longitudinal displacement with the first permanent magnet installed inside of it, which interacts with the crossbar head, in the lock body there is also an electromagnet with a coil and a core. The fixator wall comprises a ball stop mechanism. The lock is complemented with the first and second magnet shunts, which are fixed inside the fixator accordingly at the front and rear sides of the first permanent magnet, with a stop fixed on the inner end of the core and fixing the electromagnet coil, and a ring installed inside the body in the plane of the front part of the stop. The crossbar head is complemented with the second permanent magnet and is made with a belt that interacts with the catch. The diameter of the inlet hole of the catch is made as corresponding to the belt diameter and the external diameter of the working part of the crossbar head, at the same time the door pad is made as cup-shaped, and its bottom couples along the ball surface with the responsive part of the external end of the stem.

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

3 dwg