COMBINATION LOCK Russian patent published in 1995 - IPC

FIELD: hardware. SUBSTANCE: combination lock comprises a hollow body with slots for the bolt operating handle and for dialing the code from opposite sides, and a bolt with a projection. Disposed on the bolt are sectional code discs with slots on their ends for interaction with one another and with slots on the internal surface for interaction with projections of the bolt. The end surfaces of inner rings of sectional code discs are provided with hollows matching with the shape of slots for receiving the bolt projections in case of tampering with the lock. The bolt has a rack and all the bolt projections extend through the length of said rack. A gear interacting with the rack is installed in the body with a provision for rotating around the axle and has recesses on end surfaces. EFFECT: improved design. 3 cl, 3 dwg