LOCK Russian patent published in 2001 - IPC

FIELD: applicable as a locking device that can change its code in service. SUBSTANCE: lock has a box-shaped body accommodating a cross-bar, spring-loaded bolts installed for movement perpendicularly to motion of the cross-bar in engagement with the key driftpin, and a guide post engageable with the secret grooves of the bolts, and made changeable for engagement with different keys. The bolts are installed on the cross-bar, and the guide post is supported as a cantilever on one of the walls of the body. The post fasteners to the wall are located on the outside of the body for acceleration of replacement of the post without disassembly of the lock, and at least one hole is made in the body walls for passage of the replaceable post through it. The bolts are arranged as packs on both sides of the cross-bar, and rods are installed on the cross-bar perpendicularly to it for engagement with the bolt springs. At least three bolts are located in each pack. EFFECT: any user without any habits may change the lock code without essential design alternations. 2 cl, 3 dwg