Patent ID: 7334617

Claim:
A rubber tire, comprising: a flexible drive hub assembly comprising at least two flexible drive hub portions, each flexible drive hub portion detachably fastenable to the other co-axially aligned and each flexible drive hub portion comprising a multiplicity of alternating raised hub ribs and depressed hub grooves formed around the periphery of each flexible drive hub portion; and a solid rubber tire tread replaceably mounted on the flexible drive hub having a multiplicity of indented tread grooves and protruding tread ribs formed around an interior surface of the tire tread, the indented grooves and protruding ribs sized and shaped for interlocking engagement with the multiplicity of raised ribs and depressed grooves formed around the periphery of the flexible drive hub assembly, and wherein the at least two flexible drive hub portions are fastenable to each other coaxially aligned and with the raised ribs on one of the flexible drive hub portions circumferentially offset from the raised ribs of another of the flexible drive hub portions, wherein the indented grooves and protruding ribs in the interior surface of the tire tread comprise first and second sets of tread grooves and ribs, wherein grooves and ribs of the first set of tread grooves and ribs are aligned for engagement with the raised ribs and depressed grooves of the one hub portion and grooves and ribs of the second set of tread grooves and ribs are aligned for engagement with the raised ribs and depressed grooves of the other flexible drive hub portion when the at least two flexible drive hub portions are fastened coaxially to each other to form the flexible drive hub assembly.