Control system for public conveyance vehicles having diesel engines

Claim 1

IN VEHICLES FOR HIRE PROVIDED WITH FUEL SHUTOFF MEANS WHEREIN PASSENGERS ARE TRANSPORTED FOR A FEE DETERMINED AND REGISTERED BY A MATTER WHICH MAY BE RENDERED OPERABLE OR INOPERABLE AT THE OPTION OF THE DRIVER, APPARATUS IN COMBINATION WITH THE METER AND THE FUEL SHUTOFF MEANS FOR STOPPING THE VEHICLE IF THE METER IS NOT RENDERED OPERABLE WHEN A PASSENGER IS PRESENT IN THE PASSENGER SECTION OF THE VEHICLE, SAID APPARATUS COMPRISING: A SOURCE OF ELECTRICAL POWER; ELECTRICALLY RESPONSIVE OPERATING MEANS COUPLED WITH SAID FUEL SHUTOFF MEANS FOR ACTUATING THE LATTER TO HALT THE VEHICLE; FIRST CONDUIT MEANS COUPLING SAID OPERATING MEANS WITH SAID SOURCE; AN ELECTRICALLY RESPONSIVE SWITCHING DEVICE INTERPOSED IN SAID FIRST CIRCUIT MEANS AND HAVING A FIRST OPERATIONAL STATE PERMITTING CURRENT FLOW IN SAID CIRCUIT MEANS AND A SECOND OPERATIONAL STATE PREVENTING SAID FLOW; SECOND CIRCUIT MEANS COUPLING SAID DEVICE WITH SAID SOURCE FOR SUPPLYING ELECTRICAL ENERGY TO THE DEVICE TO CAUSE THE LATTER TO CHANGE FROM ONE OF SAID OPERATIONAL STATES TO THE OTHER STATE; SWITCHING STRUCTURE INTERPOSED IN SAID SECOND CIRCUIT MEANS AND RESPONSIVE TO THE PRESENCE OF A PASSENGER IN THE PASSENGER SECTION; SWITCHING MEANS INTERPOSED IN SAID SECOND CIRCUIT MEANS AND HAVING A FIRST OPERATIONAL STATE FOR PERMITTING CURRENT FLOW IN THE SECOND CIRCUIT MEANS AND A SECOND OPERATIONAL STATE PREVENTING SAID FLOW THEREIN; MEANS OPERABLY INTERCOUPLING SAID METER AND SAID SWITCHING MEANS, THE LATTER BEING OPERABLE TO CHANGE