CYLINDER MECHANISM FOR DOOR LOCK Russian patent published in 1996 - IPC

FIELD: locking mechanisms. SUBSTANCE: mechanism has housing, inner rotatable cylinder with the socket for a key mounted inside the housing, and carrier that interacts with the inner rotatable cylinder. The carrier has at least one projection. The surface of the inner rotatable cylinder is provided with at least one hollow with a ball that is fully set in the hollow. The hollow with the ball partially overlaps the socket. The ball is mounted for permitting movement in the hollow and interaction with key and projection of the carrier simultaneously. EFFECT: enhanced reliability. 6 dwg