LOCK CODE MECHANISM Russian patent published in 1996 - IPC

FIELD: locks. SUBSTANCE: mechanism comprises axially alined driving disk with hollows provided over periphery for the spring-loaded dog and locking disk with a projection on its end face pressed to the driving disk, false and one secret grooves at the periphery for the projection of the locking bolt, and step on the hub for locking member. The locking disk has at least one additional projection on the end face from the side of the driving disk. The secret groove on the locking disk is made up as a secret cut. The number of peripheral hollows on the driving disk is equal to the sum of the false and secret grooves on the locking disk. EFFECT: enhanced reliability. 3 cl, 3 dwg