LOCKING DEVICE (VERSIONS) AND END FACE COMBINATION LOCK TO PREVENT HI-JACKING OF AUTOMOBILE Russian patent published in 2007 - IPC B60R25/04 

FIELD: transport engineering: antitheft devices.

SUBSTANCE: antitheft protection of vehicle is provided by fitting two interlocks, namely, stationary and detachable ones, in gas outlet pipe. Stationary interlock is installed under bottom of automobile and it closes gas outlet by support cover. Cylindrical chamber of detachable interlock is installed on end section of gas outlet pipe. Said cylindrical chamber is driven into pipe space and subsequently filled with air to provide tight closing of outlet. End face combination lock is installed and secured on pipe and bolt outlets by means of clamping sleeve using a wrench. Lock body is provided with cells whose locking heads get into coaxially arranged rectangular ports of cylindrical belt of cover holding it in locked position. Secrecy of lock is provided by dividing locking heads and lock cells into two types with left-hand and right-hand screw cuts. One or several lock cells are provided with interlock heads. Heads are unlocked through holes concealed in wall of lock. Special template is delivered with lock instruction sheet to find said holes.

EFFECT: improved reliability of protection against hi-jacking.

5 cl, 14 dwg