LOCK BLOCKING MECHANISM Russian patent published in 2000 - IPC

FIELD: locking devices. SUBSTANCE: the blocking mechanism has a body with a cylindrical cavity, rotary core located in the body cavity, longitudinal blocking member with a strip installed in the core for radial withdrawal from it for engagement with the longitudinal slot with a chamfered edge in the body cavity and spring- loaded in the direction of the latter, plate levers installed in the core for movement along its axis and having working and false notches in longitudinal ribs for engagement with the strip of the blocking mechanism, means for return of the levers to the initial position, and a pressure key with code bosses on its rod for engagement with the levers. The keyrod has a recess for engagement with the spring-loaded stop pin installed in the core face section for radial movement for engagement with the blocking mechanism. EFFECT: enhanced reliability of blocking. 6 cl, 9 dwg