Supplemental traction device

Claim 1

A TRACTION DEVICE FOR USE ON PNEUMATIC TIRED, POWER DRIVEN VEHICLE WHEELS COMPRISING: A SUBSTANTIALLY U-SHAPED BODY HAVING A BASE, A PLURALITY OF GROUND ENGAGING PROJECTIONS PROTRUDING OUTWARDLY FROM SAID BASE, SAID BODY BEING BIFURCATED TO FORM PAIRS OF INWARDLY EXTENDING LEGS ON EACH SIDE OF THE UPPER END OF SAID BODY, A FOOT FLOATINGLY POSITIONED WITHIN AND ON EACH SIDE OF SAID BODY IN SLIDING ENGAGEMENT WITH SAID LEGS, GRIPPING MEANS INCLUDING A PLURALITY OF BARBS DIRECTED TOWARDS SAID BASE POSITIONED ON EACH FOOT TO FRICTIONALLY ENGAGE THE TIRE, AN UNDULATING WAVE FORM VERTICALLY EXTENDING SPRING CONNECTED TO SAID BODY AND SAID FOOT AND BEING THE SOLE CONNECTION BETWEEN SAID FOOT AND SAID BODY, SAID SPRING BEING DISPOSED BETWEEN THE LEGS OF EACH PAIR OF LEGS WHEREBY THE LEGS OF SAID BODY MOVE IN SLIDING, FOOT STABILIZING ENGAGEMENT WITH SAID FOOT WHILE MAINTAINING SAID FOOT IN CONTACT WITH THE TIRE.