LOCK Russian patent published in 1998 - IPC

FIELD: mechanical engineering; locking devices. SUBSTANCE: this can be used for locking doors of safes, dwelling and industrial buildings, garages in at least five points which makes it more reliable. Lock has body with following components located in it: catch, locking mechanism with lug connected with catch, links connected with catch and installed for possible displacement in vertical direction, link installed for possible movement in horizontal direction and connected with catch and with at least one additional locking device by horizontal link arranged inside body. Connected to horizontal link are two links adapted for vertical displacement. Links movable in vertical direction in lock and in additional locking device are made interchangeable and interbalanced. EFFECT: high efficiency. 1 cl, 2 dwg