LOCK Russian patent published in 1997 - IPC

FIELD: locking devices for home and industry. SUBSTANCE: installed in body of cylindrical mechanism is bush with key passages. Fixed in end of core passage is wedge-shaped cross member. End of span-piece entering the hole in locking strip is provided with hooks. pivotally interconnected and are spring-loaded relative to each other. Teeth of hooks are directed towards each other and cooperating with edge of locking strip hole. Core is installed stationary, and key rod cooperating with its passage has longitudinal slots for connection with cross member. Rigidly mounted on core is gear wheel. Installed in key passages of bush are spring-loaded pins with possibility of their engagement with gear wheel. Lock can be provided with protective washer cooperating with ends of key rods which can be fastened on common base and oriented according to key passages in bush and core. EFFECT: higher efficiency. 4 cl, 9 dwg