SECURITY LOCK Russian patent published in 2008 - IPC E05B37/14 

FIELD: ironmongery, particularly security locks.

SUBSTANCE: security lock comprises body, stop bolt and stop breach, at least one locking assembly including disc member with peripheral depression, barrel cam and return cam, stop member having at least one stop ear. The stop ear angularly slides between unlocked position, where all stop ears are retained in peripheral depressions of disc members and stop breach is disengaged from stop bolt, and locking position, where at least one stop ear is released from peripheral depression and stop breach locks stop bolt. Control member moves in plane and comprises at least one following mechanism corresponding to each barrel cam. Lock has return mechanism, which rotates all disc members in return position.

EFFECT: increased easiness of lock manipulation by one hand without visual contact with lock.

40 cl, 36 dwg