LOCK Russian patent published in 2008 - IPC E05B35/04 

FIELD: ironmongery, particularly locking means having increased secrecy.

SUBSTANCE: lock comprises body adapted to receive cross-bar with inclined teeth and pins and cross-bar movement mechanism. The cross-bar movement mechanism comprises control arm and member cooperating with cross-bar. Said components are installed on rotary axis. Lock has cross-arm fixation means, which retains cross-bar in working position. Cross-arm fixation means includes a number of spring-loaded pinned fixers, which may rotate and cooperate with inclined cross-arm teeth, and socket key made as thin plate with side stops and code depressions created at end thereof. The code depressions cooperate with fixers. Socket key has additional code depressions made in sides thereof and additional code orifices defined in key plane. Corresponding extensions of additional movable unit may cooperate with additional code orifices. Additional movable unit may slide transversely to socket key plane as it cooperates with eccentric supported by pin. Lock has sprocket member cooperating with cross-bar. The fixers are made as double-arm cross-beams with teeth at both ends thereof, which cooperate with corresponding inclined teeth of cross-arm.

EFFECT: increased lock secrecy.

3 dwg