METHOD FOR KEY-OPERATED SLIDE-TYPE LOCK PRODUCTION AND BIT-KEY LOCK Russian patent published in 2005 - IPC

FIELD: ironmongery, particularly locks with special tumblers.

SUBSTANCE: slide-type lock has body with cavity, spring-loaded slides with guiding orifices, figured orifices provided with secrecy extensions and depressions formed in orifice edges. Slide blocking means arranged in body interior may cooperate with lock key. Slide blocking means is made as slots formed in spring-loaded slides, spring-loaded blocking slider with rest, guiding orifices, figured orifice provided with secrecy extensions and depressions formed in orifice edges and rotary spring-loaded latch. The latch is axle-mounted so that latch may cooperate with spring-loaded blocking slide. Spring-loaded blocking slide is also mounted on guiding means by means of guiding orifices so that slide may be displaced to cooperate with lock key bit. The slots are arranged in front of rest and may cooperate with rest when unauthorized influence is applied to spring-loaded slides.

EFFECT: increased tamper resistance.

2 cl, 6 dwg