LOCK OPENING DEVICE Russian patent published in 2006 - IPC E05B19/20 

FIELD: ironmongery, particularly keys and key accessories.

SUBSTANCE: lock opening device comprises body with metering bush and hollow rotary rod provided with working head. Body is fixedly secured to rod. Guiding tube with orifice made in free end thereof is movably arranged inside the rod. Working head of rotary rod is made as a set of replaceable pins arranged in working head channels. Metering bush is connected to guiding tube by fixer. Rod-like pusher is installed inside guiding tube and has depression with inclined bottom formed in free pusher end. Inserted in depression is ball having diameter not exceeding guiding bush orifice diameter. Another pusher end is fixedly secured to metering bush through spring-loaded rest. The metering bush is provided with two sets of identical metering hairlines spaced apart a distance corresponding to distance between longitudinal axes of working head channels. The body also has orifice to receive fixer, which fixes position of next replaceable pin. The fixer is made as spring-loaded ball brought into contact with one hairline arranged inside the body.

EFFECT: extended functional capabilities.

9 cl, 3 dwg