LOCK Russian patent published in 1997 - IPC

FIELD: locking devices. SUBSTANCE: lock has span-piece strip with span-pieces installed in body, at least one locking bar which is spring-loaded perpendicularly to span-piece strip and having means for its interlocking, guide pin, and mechanism for actuation of span-piece strip and locking bar which is made up of toothed rack on span-piece strip and guide member of span-piece strip. Lock has two additional parallel span-piece strips installed in plane parallel to first span-piece strip and with possibility for moving perpendicularly to first span-piece strip, and means for their actuation, and their span-pieces are parallel to span-pieces of first span-piece strip. Guide pin is rigidly installed on first span-piece strip, and its interlocking means is made in the form of toothed comb on locking bar for locking guide pin in it. Guide member of first span-piece strip is in the form of longitudinal slots made in body for interaction with guide pin. Actuating means of additional span-piece strips is in the form of through-slots made in them which are inclined in relation to direction of movement of first span-piece strip. Guide pin passes through these slots, and span-pieces of additional span-piece strips have possibility of going out of lock body at end part which is opposite to that adapted for going-out of span-pieces of first span-piece strip. EFFECT: high efficiency. 3 cl, 7 dwg