LOCK WITH LOCKING BOLT Russian patent published in 2000 - IPC

FIELD: locks. SUBSTANCE: lock with a locking bolt has two working plates located in parallel with each other, with lugs on their inner side made at different distances from the edge of the plates corresponding to the slots on the key, cover plate for attachment to the door leaf, locking bolt. In addition, it is provided with a lever with a movable batten terminating in a lug located beyond the working plates; the working plates, the upper and lower ones, are installed on the plate for attachment to the door leaf, they have a rectangular shape and are located strictly perpendicularly to it and cover plate. The lock has two holes for the key, having the shape of a square, interconnected by a narrow slot. EFFECT: enhanced reliability and secrecy. 2 cl, 3 dwg