Pneumatic buffers for motor vehicles

Claim 1

IN A BUFFER ASSEMBLY FOR A VEHICLE HAVING A VEHICLE FRAME ELEMENT, AN INFLATABLE BUFFER ASSEMBLY INCLUDING SN ANNULAT OUTER CASING HAVING A PAIR OF FLAT SPACED WALL PORTIONS, AN EXPANSIBLE TUBE IN SAID BUFFER ASSEMBLY INCLUDING AN INFLATION VALVE PROJECTING OUTWARDLY THEREFROM, MEANS FOR CONNECTING THE INFLATABLE BUFFER ASSEMBY TO THE FRAME ELEMENT COMPRISING A PLURALITY OF BOLTS, SAID BOLTS BEING ARRANGED IN LATERALLY SPACED RELATION AND HAVING THEIR ENDS TELESCOPICALLY MOUNTED ON SAID FRAME ELEMENT, THE OTHER ENDS OF SAID BOLTS BEING PROVIDED WITH ENLARGED HEADS, A PAIR OF CASING HOUSING ELEMENTS RIGIDLY FIXED AT THE OPPOSITE OUTER EDGE PORTIONS OF EACH OF SAID ENLARGED HEADS AND INCLUDING LATERALLY PROJECTING ARCUATE WINGS FO RECEIVING ADJACENT ANNULAR WALL PORTIONS OF SAID CASING AND FLAT WALL PORTIONS FOR ENGAGEMENT WITH THE FLAT SPACED WALL PORTIONS OF SAID OUTER CASING, MEANS EXTENDING THROUGH SAID FLAT WALL POTIONS FOR SECURING SAID INFLATABLE BUFFER ASSEMBLY IN POSITION, AND COIL SPRINGS POSITIONED BETWEEN SAID ENLARGED HEADS AND SAID FRAME ELEMENT TO CUSHION SLIDING MOVEMENT OF SAID BOLTS WHEN SAID INFLATABLE BUFFER ASSEMBLY IS UNDER IMPACT.