LOCK Russian patent published in 2013 - IPC B60R25/04 

FIELD: transport.

SUBSTANCE: invention relates to automotive industry, particularly, to antitheft devices. Proposed device comprises case 1 with switch, catch lock 3 arranged inside said case, catch lock control mechanism 4 and set of contacts 5, keyhole 6 with cylinder mechanism 7 arranged at case front. Cylinder mechanism is composed of T-like lock section enclosed in cylindrical shell 8 with slot made over its entire length, and rotary core 9 to extend from cylinder mechanism. Crown ring 10 is arranged ahead of lock section to accommodate holder 11 composed of disc with through rectangular key hole. Three identical balls 12 are fitted in two opposed holes made on disc cylindrical part. Depth of one of said holes corresponds to two diameters of the ball while depth of another hole corresponds to one diameter of the ball. Axis of holder diametrical holes is aligned with long axis of rectangular keyhole. Two sets of three slots 13, arranged opposed, are made behind aforesaid crown ring 10. T-like lock section 7 comprises cylindrical PIN codes.

EFFECT: better antitheft properties.

2 cl, 3 dwg