CODE LOCK Russian patent published in 1994 - IPC

FIELD: locking of doors. SUBSTANCE: code lock comprises hollow body with slots on face cover for control handles and for dialing, locking member in the form of bolt installed in body with a provision for longitudinal motion and having projections, control handle and sectional code discs with slots on internal surface for interaction with bolt projections. Installed between face cover of lock and sectional code discs is a shutter provided with control handle, and slots. Besides, the body accommodates additional locking member installed parallel with the first one so that its projections are capable of interacting with the cutouts of sectional code discs. The latter are disposed between the bolts so that their axes are perpendicular to bolt axes and have hollows for unimpeded travel of bolts. Locking end surfaces of bolts are provided with blocking plates. EFFECT: improved design. 4 dwg