IGNITION LOCK WITH ANTITHEFT DEVICE Russian patent published in 2007 - IPC B60R25/02 

FIELD: automotive industry.

SUBSTANCE: invention relates to equipment of automobiles and it is aimed at prevention of unauthorized use or hi-jacking of automobiles. It can be used in electrical systems of automobiles to energize different units and mechanisms coupled with antitheft devices. Proposed ignition lock contains body and clamp enclosing steering column of vehicle and interconnected by rod fitted in holes of body and clamp, spring-loaded cross-bar engaging with cavity made on steering wheel shaft. Cross slots are made on rod and cross-bar for relative locking to prevent demounting of attachment rod and clamp when cross-bar is fitted in, cam mechanism to drive cross-bar from cavity on shaft, with shaped slot on cylindrical surface of calm, installed in hole of body parallel to axis of cross-bar, projection of cross-bar engaging with shaped slot on cam in hole of which pin is arranged spring-loaded to side of shaped slot, and cylindrical lock with key. Retainer is installed between cam of mechanism to drive cross-bar out of cavity on shaft and cylindrical lock. Said retainer is spring-loaded relative to cam by compression spring and is rigidly coupled with turnable part of lock device. Retainer is coupled with cam movably in axial direction by means of two radial slots on cam and mating projections on end face of retainer made for engagement with pin spring-loaded in cross bar when retainer with lock is moved off from cam by spring. Cavities are made on peripheral sides of end face projections of retainer to provide smooth mating of peripheral sides of retainer projections with profile of shaped slot on cam when retainer with lock is forced inside body. Through cross hole is made in lock body intersecting with hole for cam mechanism of release cross-bar, at both sides of which photosensors are installed coupled with electronic control system of ignition system operating modes. Hole is made accordingly in cam or in retainer or in cross-bar which registers with hole in body in which photosensor is fitted when cross-bar is moved off.

EFFECT: provision of control of electric switches without key of lock at simplified design of lock.

10 dwg