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

FIELD: locks.

SUBSTANCE: invention relates to devices of permutable locks with reversible disks located on one axis and installed simultaneously with rotary but not movable handle. Open type permutable lock comprising means for transfer of crossbar holder with crossbar fixed on one side, and a plate shank located on the other side, interacting with rotary discs equipped with radial slots and projections interacting with each other, and a limb handle connected to the outermost disc, at that, crossbar holder is provided with horizontal groove accommodating post and vertical groove interacting with said drive. Lock is equipped with spring-loaded retainer that contacts with side surfaces of shank and spring-loaded plate located horizontally on tail and having possibility of back-and-forth movement. On the plate in the zone of interaction with the spring-loaded retainer there is a recess, and on the shank – a skewed slot.

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

1 cl, 6 dwg