Automobile theft prevention lock

Claim 1

A theft prevention device for a vehicle having a fuel supply and a carburetor comprising a valve housing adapted to be disposed adjacent the carburetor having a boss integrally attached to one side thereof, said boss comprising a fuel line inlet to said carburetor, said housing receiving said boss on said carburetor, and said housing being disposed closely adjacent said carburetor whereby the fuel connection to said carburetor is inaccessible to unauthorized persons from outside said housing, a valve in said housing, a removable closure for closing the compartment with said valve therein, said valve being adapted to be connected in fluid flow relation with the fuel supply of said vehicle and through said boss on said carburetor, and means disposed outside said housing to move said valve to closed position, and means inside said housing accessible when said closure is removed to move said valve to open position whereby said vehicle can be operated, said valve is a rotary valve with a stem and releasable means to hold said valve in open position, spring means to urge said valve to closed position, and means accessible from outside said compartment to release said releasable means.