LEVER TUMBLER LOCK Russian patent published in 2019 - IPC E05B25/02 

FIELD: ironmongery.

SUBSTANCE: invention relates to ironmongery and can be used in safes, in overhead, mortise locks for inner doors of residential and public buildings. Lever tumbler lock comprises case with lock key for key, cylindrical post being vertical guide for set of spring-loaded levers, shanks of which are located in holes of plate fixed in housing, besides, the cylindrical post is a horizontal guide for a crossbar plate equipped with a blocking device, crossbars and a comb interacting with the key. Locking device is equipped with additional comb interacting with anchor of electromagnet, controlled photorelay, optical axis of which is located perpendicular to surface of levers provided with holes, coinciding with height of key beard profile, wherein each lever comprises a U-shaped section placed in a light-protective barrel with a cover provided with a vertical partition, and the light-proof barrel has holes aligned with the optical axis of the light switch.

EFFECT: advantage of the invention consists in the fact that the lock does not open with pickpockets, impression, self-compression and devices according to RF patents No 2361050 and 2489560.

8 cl, 4 dwg