LOCK Russian patent published in 2014 - IPC E05B27/00 

FIELD: construction.

SUBSTANCE: lock contains body with a cover, a latch bar and a secret unit with a code key. The body is equipped with a fixation axle and a spring-loaded fixture element; for this purpose there are radial (displaced from the body axis centre) made in the body; mounted in the hole are the fixation axle, the latch bar and the spring-loaded fixture element. The latch bar is equipped with rollers that are rigidly mounted on it; there are longitudinal grooves and a radial cannelure made on the secret unit for interaction with the spring-loaded fixture element.

EFFECT: enhancement of the lock consumer properties combined with its security guard properties maintained at the top level due to creation of a secret part of the lock that interacts with its power part allowing to comfortably use the product and virtually instantaneously replace the secret part with a similar one.

8 dwg