LOCK CYLINDER MECHANISM Russian patent published in 1995 - IPC

FIELD: locking mechanisms. SUBSTANCE: lock cylinder mechanism has body with turning core having central cross-shaped hole for key and radially located pushers engageable with combination recesses of key by means of spring-loaded pins guarded from outer side with protective case installed from body outside. Mechanism core consists of two longitudinal located along axis symmetrical parts and has adjusting U-shaped recess over generating line. Installed in U-shaped recess are protective pins through radial holes made in body. Protective pins are found in same plane with pushers. Protective case has adjusting holes made radial over spiral line for their alternative coincidence with body holes for spring-loaded pins when case is turned round its axis. Attachment holes are provided in body end face in axial direction, and in protective case from outside in radial direction. EFFECT: higher efficiency. 4 cl