Theft prevention apparatus

Claim 1

THIEF PREVENTION APPARATUS FOR GASOLINE ENGINE PROPELLED DEVICES OF THE TYPE HAVING ANELECTRIC IGNITION SYSTEM, A GASOLINE SUPPLY SYSTEM AND A HYDRAULIC BRAKE SYSTEM, SAID APPARATUS COMPRISING: A FIRST CUT-OFF VALVE IN SAID GASOLINE SUPPLY SYSTEM, SAID VALVE HAVING A SPRING CLOSED, SOLENOID COIL OPENED, SLIDABLE VALVE PLUG THEREIN; A SECOND CUT-OFF VALVE IN SAID HYDRAULIC BRAKE SYSTEM, SAID VALVE HAVING A SPRING CLOSED, SOLENOID COIL OPENED, VALVE PLUG THEREIN ADAPTED TO BE OPENED AGAINST SPRING PRESSURE BY FOOT PEDAL PRESSURE IN SAID SYSTEM; AN IGNITION INCLUDING A BATTERY, SAID IGNITION SYSTEM, THE SOLENOID COIL OF SAID FIRST CUT-OFF VALVE, THE SOLENOID COIL OF SAID SECOND CUT-OFF VALVE AND AN IGNITION SWITCH HAVING A CONDUCTIVE, GROUNDED HOUSING AND AN ARMATURE MOVABLE FROM A CLOSED CIRCUIT POSITION TO AN OPEN CIRCUIT POSITION, AND CONDUCTOR MEANS WITHIN SAID HOUSING, INCLUDING A CONTACT TERMINAL IN THE PATH OF SAID ARMATURE AT SAID OPEN CIRCUIT POSITION, SAID TERMINAL CONNECTING SAID ARMATURE OT SAID GROUNDED HOUSING AND DIRECTLY GROUNDING THE INPUT SIDES OF THE IGNITION COIL OF SAID IGNITIONSYSTEM AND OF SAID SOLENOID COILS FOR SHORT CIRCUITING SAID IGNITION CIRCUIT AND SAID SOLENOID COILS, WHEREBY ATTEMPTED BY-PASSING OF SAID IGNITION SWITCH RESULTS IN A SHORT CIRCUIT OF SAID IGNITION CIRCUIT, SAID FIRST SOLENOID COIL AND SAID SECOND SOLENOID COIL AND MAINTAINS SAID IGNITION, GASOLINE AND BRAKE SYSTEMS IN SUBSTANTIALLY INOPERATIVE CONDITION.