Seat belt lock signal

Claim 1

A SIGNALLING DEVICE FOR WARNING OBSERVERS WHEN SEAT BELTS ARE NOT BUCKLED COMPRISING A SWITCH MEANS FOR OPENING AND CLOSING A SIGNALLING CIRCUIT, MEANS OPERATING SAID SWITCH MEANS IN RESPONSE TO PROPER AND IMPROPER ORIENTATION OF THE SEAT BELTS FOR OPENING THE SIGNAL CIRCUIT WHEN THEE SEAT BELTS ARE PROPERLY BUCKLED AND ALLOWING THE SIGNAL CIRCUIT TO REMAIN CLOSED WHEN THE SEAT BELTS ARE NOT PROPERLY ORIENTED FOR HOLDING AN OCCUPANT OF A SEAT THEREIN, SAID MEANS FOR OPERATING THE SWITCH MEANS INCLUDES A BASE PLATE FIXEDLY SECURED TO THE SEAT BELT, A CLAMP PLATE FIXEDLY SECURED TO THE SEAT BELT IN SPACED RELATION TO THE BASE PLATE, SAID SWITCH MEANS BEING MOUNTED ON SAID BASE PLATE, A RIGID PLUNGER MOUNTED ON SAID BASE PLATE FOR OPERATING THE SWITCH MEANS, A FLEXIBLE CONNECTOR BETWEEN THE PLUNGER AND THE CLAMP PLATE FOR MOVING THE PLUNGER WHEN THE CLAMP PLATE MOVES IN RELALATION TO THE BASE PLATE, AND SPRING MEANS ENCIRCLING SAID PLUNGER FOR BIASING IT INTO OPERATIVE ENGAGEMENT WITH THE SWITCH MEANS SO THAT WHEN THE SEAT BELT IS NOT TAUT, THE SPRING MEANS WILL SERVE TO FOLD THE BELT AND MOVE THE PLUNGER FOR OPERATING THE SWITCH MEANS TO CLOSE THE SIGNALLING CIRCUIT, SAID CLAMP PLATE INCLUDING A PAIR OF PLATE MEMBERS CLAMPINGLY ENGAGING OPPOSITE SURFACES OF THE SEAT BELT, SAID BASE PLATE INCLUDING A PAIR OF CLAMP PLATES HINGEDLY INTERCONNECTED AND CLAMPINGLY ENGAGING OPPOSITE SURFACES OF THE SEAT BELTS, AND A COVER PLATE FOR SAID BASE PLATE FOR CONCEALING THE STRUCTURE MOUNTED THEREON, SAID BASE PLATE INCLUDING FLANGE MEANS GUIDINGLY RECEIVING SAID PLUNGER.