LOCK Russian patent published in 2020 - IPC E05B25/02 

FIELD: locks.

SUBSTANCE: invention relates to ironmongery and can be used in safes, in overhead, mortise locks for inner doors of residential and public buildings. Lock comprises housing with lock key for cylinder, cylindrical posts, which are guides for set of spring-loaded tumblers and crossbar plate, equipped with crossbars, comb interacting with key, and locking means comprises additional comb made integral with upper crossbar and interacting with anchor of electromagnet controlled photo relay, optical axis of which is located perpendicular to surface of screeds equipped with holes coinciding with height of key bit of key. Photodetector and photo emitter are arranged in the holes of the caps fixed on the plates installed rigidly on the cylindrical posts, and in each plate there is a hole coinciding with the optical axis of the photorelay, which can work both in visible light and infrared light.

EFFECT: advantage of the invention lies in the fact that the lock does not open with pickpockets, impression, self-compression and devices according to RF patents Nos_ 2361050 and 2489560.

5 cl, 3 dwg