PERMUTABLE LOCK OF OPEN TYPE Russian patent published in 2019 - IPC E05B37/08 

FIELD: locks.

SUBSTANCE: invention relates to devices of permutation locks with reversible disks located on one axis and installed simultaneously with rotary but not movable handle. Open type permutation lock comprises a means of moving a deadbolt holder with a deadbolt fixed on one side and an element located on the other side interacting with rotary disks equipped with radial slots and projections interacting with each other. Limb handle is connected with extreme disc. Deadbolt holder is provided with a horizontal groove with a post arranged in it and a vertical groove expanded in the horizontal direction by a value slightly larger than the depth of the radial groove. Means of movement in the closing direction is rigidly connected to the deadbolt holder. And in direction of opening interaction with deadbolt holder is carried out by means of spring.

EFFECT: advantage of the invention consists in the fact that complete exclusion of the possibility of probing the play of the permutation lock using a micrometer.

1 cl, 2 dwg