LOCK "ASSISTANT" Russian patent published in 2010 - IPC E05B63/00 

FIELD: construction.

SUBSTANCE: lock comprises the following components installed in body: latch, mechanism of security, spring-loaded lever of handle. Bolt lever is installed in body with the possibility of rotation and contact with bar. Handle lever is equipped with cam of bolt lever and has the possibility of rotation. On axis fixed in body, there is yoke installed parallel to motion of bolt. Yoke may interact with handle lever by one arm, and it interacts with level spacer by the other arm, which is installed on bolt or body with the possibility of displacement and engagement with level for its lifting.

EFFECT: increased convenience in use and safety.

16 dwg