Resilient bumpers for vehicles

Claim 1

AN IMPROVED BUMPER CONSTRUCTION COMPRISING AN ELONGATED RIGID FRAME PIECE ADAPTED TO BE SUPPORTED AT ONE END OF AN AUTOMOBILE ABOVE GROUND LEVEL AND PRESENTING A RIGHT ANGULARLY DISPOSED MEDIAL BODY PORTION HAVING ITS OPPOSITE SIDES THEREOF FORMED WITH ANNULAR SPRING RETAINING RECESSES AND CENTRAL STUD PORTIONS EXTENDING OUT OF THE RECESSES, A PAIR OF RELATIVELY LARGE COILED SPRING ELEMENTS MOUNTED IN RESPECTIVE ANNULAR SPRING-RETAINING RECESSES AND SOLIDLY SECURED THERETO IN OPPOSED RELATIONSHIP TO ONE ANOTHER SUCH THAT THE AXIS OF CONTRACTION AND EXTENSION OF THE SPRING ELEMENTS EXTENDS SUBSTANTIALLY PARALLEL TO THE LONGITUDINAL AXIS OF THE FRAME PIECE, THE OUTER EXTREMITIES OF SAID RELATIVELY LARGE SPRINGS BEING UNSUPPORTED, A SECOND PAIR OF RELATIVELY SMALL COILED SPRINGS LOCATED CONCENTRICALLY WITHIN THE LARGE SPRINGS AND ENGAGED OVER RESPECTIVE CENTRAL STUD PORTIONS OF SAID SPRING RETAINING RECESSES, A PAIR OF BUMPER SIDE SECTIONS, RESPECTIVE SIDE SECTION SHACKLE MEMBERS PIVOTALLY ATTACHED TO THE FRAME PIECE, SAID SHACKLE MEMBERS EXTENDING ANGULARLY AWAY FROM THE FRAME PIECE AND BEING PIVOTALLY ATTACHED TO THE BUMPER SIDE SECTIONS TO YIELDABLY SUPPORT THE BUMPER SIDE SECTIONS IN SPACED RELATION TO THE FRAME PIECE, A BUMPER CENTRAL SECTION HAVING ITS OPPOSITE ENDS PIVOTALLY CONNECTED TO EACH OF THE SAID BUMPER SIDE SECTIONS ABOUT INDEPENDENT PIVOT PINS TRANSVERSELY LOCATED THROUGH THE BUMPER SIDE SECTIONS AT POINTS IN CLOSE PROXIMITY TO THE SAID SHACKLE MEMBERS, SAID PIVOTED BUMPER SIDE SECTIONS FURTHER BEING CONSTRUCTED WITH RIGHT ANGULARLY DISPOSED EXTENSIONS FOR RECEIVING OUTER ENDS OF SAID SECOND PAIR OF RELATIVELY SMALL COILED SPRINGS AND HAVING OPENINGS FORMED THERETHROUGH, SAID SMALL COILED SPRINGS OCCURRING IN A NORMALLY COMPRESSED STATE TO RESILIENTLY HOLD RESPECTIVE BUMPER SIDE SECTIONS IN AN ANGULARLY DISPOSED POSITION BETWEEN THE BUMPER CENTRAL SECTION AND THE SAID FRAME PIECE, A HOLDING ELEMENT EXTENDING THROUGH EACH OF THE SPRINGS AND THE MEDIAL BODY PORTION, SAID HOLDING ELEMENT HAVING OPPOSITE EXTREMITIES THEREOF ANCHORED THROUGH THE RIGHT ANGULARLY DISPOSED EXTENSIONS OF THE BUMPER SIDE SECTIONS TO SECURE THE PAIR OF RELATIVELY SMALL SPRINGS TO RELATIVE SIDE SECTIONS WHEREBY THE SAID SIDE SECTIONS MAY BE DISPLACED AGAINST THE RESISTANCE OF THE SMALL SPRINGS THROUGH A LIMITED ARC OF TRAVEL AND AGAINST THE RESISTANCE OF THE LARGE SPRINGS THROUGH A FURTHER LIMITED ARC OF TRAVEL.