Patent ID: 7219707
Filing Date: 2007-05-22
Classification: B60B,B60C,Y10T

Abstract:
1. An enhanced hollow foam tire structure, comprising: a tire having an internal wall; a wheel rim having a plurality of pointed splinters evenly disposed on a concave surface and in contact with the tire mounted on the wheel rim; a wheel core including a plurality of separate sections aligned in a circular shape, and an external top surface of said wheel core pressing radially outward of the wheel rim against the internal wall of said tire, with said pointed splinters disposed on the concave surface of said wheel rim piercing into said tire for preventing said tire from skidding, with an internal bottom surface of said wheel core pressing against the wheel rim, with sides of the wheel core intermediate the external top surface and the internal bottom surface including depressions which with the internal wall of the tire define hollow sections, wherein said wheel rim includes two corresponding half rims engaged with each other; said wheel rim comprises protruding block sections disposed on said wheel rim; and protruding block sections protruded from the internal bottom surface of said wheel core, such that said protruding block sections of the wheel rim and the wheel core are engaged alternately with each other between said wheel rim and each said separate section, wherein the concave surface includes convex sides, with the pointed splinters extending from the convex sides.