Device for warning of excessive vehicle speed

Claim 1

IN A SPEED LIMIT WARNING AND SIGNALING SYSTEM FOR AUTOMOTIVE VEHICLES, A CONTROL UNIT COMPRISING A HOUSING, A SHAFT JOURNALED IN SAID HOUSING AND HAVING OPPOSITE ENDS PROJECTING THEREFROM FOR CONNECTION TO A VEHICLE SPEEDOMETER DRIVE AND TO A SPEEDOMETER CABLE, A FLY-BALL GOVERNOR SECURED TO SAID SHAFT FOR ROTATION THEREWITH AND HAVING A FLANGE MOVABLE ALONG SAID SHAFT IN ACCORDANCE WITH THE SPEED OF ROTATION THEREOF, AN ELEMENT HELD AGAINST SAID FLANGE BY MEANS OF A SPRING, MEANS FOR VARYING THE TENSION ON SAID SPRING SO AS TO REGULATE THE SPEED OF SHAFT ROTATION REQUIRED TO EFFECT A FIXED MOVEMENT OF SAID FLANGE AND ELEMENT HELD THEREAGAINST, A CONTACT ARM IN ATTACHMENT WITH SAID ELEMENT WHEREBY MOVEMENT OF THE ELEMENT BY SAID FLANGE CAUSES PROPORTIONAL MOVEMENT OF SAID CONTACT ARM, SAID CONTACT ARM BEING CONNECTED TO A SOURCE OF ELECTRICAL ENERGY WHICH PROVIDES AN ELECTRICAL POTENTIAL WITH RESPECT TO GROUND, A PAIR OF SPRING METAL SWITCH ARMS MOUNTED IN PARALLEL SPACED RELATION IN SAID HOUSING WITH THE ENDS THEREOF PROJECTING WITHIN THE PATH OF MOVEMENT OF SAID CONTACT ARM CAUSED BY MOVEMENT OF THE ELEMENT IN ATTACHMENT THEREWITH, AND A SIGNAL LIGHT HAVING ONE SIDE CONNECTED TO GROUND, ONE OF SAID SPRING METAL SWITCH ARMS BEING ELECTRICALLY CONNECTED TO THE OTHER SIDE OF SAID SIGNAL LIGHT THROUGH A FLASHER AND THE OTHER OF SAID SPRING METAL SWITCH ARMS BEING CONNECTED DIRECTLY TO SAID OTHER SIDE OF THE SIGNAL LIGHT WHEREBY A PREDETERMINED MOVEMENT OF SAID CONTACT ARM OPERATIVELY COMPLETES THE FLASHER CIRCUIT THROUGH A FIRST ONE OF SAID PAIR OF SPRING METAL SWITCH ARMS AND FURTHER MOVEMENT OF SAID CONTACT ARM CONNECTS SAID PAIR OF SPRING METAL SWITCH ARMS TO SHUNT THE FLASHER AND TO OPERATIVELY COMPLETE THE DIRECTLY CONNECTED LIGHT CIRCUIT.