FIELD: locking device; applicable in locking safes. SUBSTANCE: lock has body with signalling unit and accommodated inside the body are mechanisms of imitation, interlocking of locking mechanism and locking, and extended locking bar with slots and square end, and its opposite end has threaded hole for screw key. Lock is provided with cover plate for locking bar. Cover plate is installed on door and provided with square hole and regulating screw in plane of the square hole. Body outside has spring for pushing the door. Body is installed on the adjacent wall. EFFECT: higher efficiency, due to higher combination in locking safes. 4 dwg
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