LOCKING DEVICE OF CYLINDER LOCK Russian patent published in 1994 - IPC

FIELD: locks. SUBSTANCE: mechanism bushing and flange have coaxial holes for installation of locking pins and pushers, respectively. One of end faces of each locking pin is conical to interact with respective code member, each of which is made in form of ball. Depth of at least one code recess of tubular lock exceeds depth of other code recesses. Variation of depth of code recesses and coordinates of ball location plane provides for numerous multitude of combinations. EFFECT: higher efficiency. 3 cl, 9 dwg