UNIVERSAL CODED LOCK Russian patent published in 1997 - IPC

FIELD: locking device. SUBSTANCE: this relates to locks with mechanical coded system for locking doors in office premises. This is achieved due to possible non-removable fastening of external key and coding key with lock by means of screws. When using lock for locking garages, safes and store premises, lock design with retention of all security features can be simplified by excluding number of its components. With that, for more strength, and with maintaining structural design, only its overall dimensions can be enlarged. EFFECT: high efficiency. 1 cl, 4 dwg