FIELD: locking devices. SUBSTANCE: mechanism has body with central and transverse holes and working cylinder with central and transverse holes located in central hole. Transverse holes of working cylinder accommodates pins and these holes are coaxial to body transverse holes. Auxiliary cylinder is coaxially located in central hole of working cylinder. Auxiliary cylinder has transverse holes accommodating pins and being coaxial to transverse blind holes in working cylinder. Located in transverse blind holes are springs and locking pins interlocking turning of auxiliary cylinder with respect to working cylinder, hole for key, springs secured to body and coming in contact with locking pins accommodated in body transverse holes, pushers with bevels located in transverse holes of working cylinder. Main key has depressions on outer surface and auxiliary key. Working cylinder has longitudinal channel, and auxiliary cylinder has longitudinal slot coaxial to longitudinal channel in working cylinder. Hole for key is located at some angle to transverse holes with pushers in working cylinder and it accommodates auxiliary key made integral with auxiliary cylinder and having depressions on upper working surface coming in contact with spring-loaded pins of the main key. It has central hole in working part of head corresponding in shape to auxiliary key, transverse through holes accommodating springs and pins with bevel in upper part which are engageable with depressions on working surface of auxiliary key, with main key inserted in lock. With the key turned clockwise through some angle, pushers are raised in working cylinder in compliance with code of auxiliary key and they free the working cylinder. EFFECT: simplified design and increased degree of combination. 2 cl, 7 dwg
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Authors
Dates
1998-11-20—Published
1997-11-04—Filed