Safety tire having pneumatic tire superimposed on annular cushion

Combination solid and pneumatic tire for mounting on the rim of a vehicle wheel comprising:

• a solid annularly shaped elastic cushion adapted to be mounted on and carried by the rim of a vehicle wheel, said cushion having at its outer periphery a pair of raised outer edges and a substantially flat circumferential midportion between said raised outer edges and wherein the said midportion has a plurality of grooves and ridges;
• an inflatable tubeless tire casing having:
• a tread surface,
• a pair of side walls depending from the tread surface and each of said side walls having axially inwardly directed extensions providing a pair of laterally spaced apart coupling members which conform with and fit axially inside the said raised outer edges and which coupling members contain grooves and ridges to mutually mesh with the grooves and ridges in the midportion of the annular cushion.