LOCK Russian patent published in 1998 - IPC

FIELD: locking devices. SUBSTANCE: lock has body with cover. Axial holes are made in body and cover. Latch is made in the form of toothed bar. Latch moving mechanism has handle which is rigidly connected with shaft. Other components of lock are gear, turnable disk with axial holes which are coaxial with holes made in body cover. Also provided are coupled locking pins seated in holes of body cover and disk, and socket key for interaction with locking pins. Socket key has piston which is freely seated on handle shaft and it interacts with freely movable locking pins. Handle shaft is provided with shoulder for interaction with piston. Socket key has holes located coaxially with axes of locking pins. Clearance is created between end face of handle and body cover for location of socket key. Aforesaid embodiment of lock protects it from forced opening. EFFECT: higher efficiency. 4 dwg