Vehicle deceleration signalling apparatus

Claim 1

AN INERTIA ACTUATED DEVICE ADAPTED FOR MOUNTING ON A MOVABLE OBJECT AND VARYING THE CURRENT FLOW IN A CIRCUIT RESPONSIVE TO CHANGES IN VELOCITY OF THE OBJECT, COMPRISING: A SUPPORTING BODY CARRYING AN ELONGATE AND ELECTRICALLY RESISTIVE ELEMENT FORMING A TERMINAL IN SAID CIRCUIT, SAID ELEMENT HAVING A HIGH RESISTANCE PORTION AND A LOW RESISTANCE PORTION, AN ELECTRICALLY CONDUCTIVE MASS FREELY MOVABLE LONGITUDINALLY OVER SAID RESISTIVE ELEMENT, SAID MASS ALONG BEING IN ELECTRICAL CONTACT WITH ANOTHER TERMINAL IN SAID CIRCUIT, MEANS FOR EXERTING A BIAS ON SAID MASS AND URGING IT TOWARD SAID HIGH CIRCUIT RESISTANCE PORTION, MEANS FORMING A PART OF SAID MAIN BODY FOR MOUNTING SAME ON SAID OBJECT WITH SAID RESISTIVE ELEMENT ALIGNED IN A GENERALLY FRONT TO REAR DIRECTION RELATIVE THERETO WHEREUPON CHANGES IN VELOCITY OF SAID OBJECT CAUSE RESPONSIVE MOVEMENT OF SAID MASS LONGITUDINALLY OF SAID RESISTANCE ELEMENT AND EFFECTS A CHANGE IN THE CURRENT FLOW IN THE CIRCUIT, AND MEANS FOR ADJUSTING THE MAGNITUDE OF THE FORCE EXERTED BY SAID BIASING MEANS WHEREUPON THE SENSITIVITY OF THE DEVICE TO CHANGES IN VELOCITY MAY BE ALTERED.