Patent ID: 8479789

Claim:
A solid rubber tire comprising: a solid rubber material formed into a generally cylindrically shaped tire for rotation around a tire rotation axis including an original maximum tire diameter, and opposed side walls spaced apart a distance from each other generally in a direction approximately parallel to the rotation axis and extending outward to the original maximum diameter of the tire; and a multiplicity of self-pumping vent holes formed into the opposed spaced apart sidewalls of the solid rubber tire, wherein each of the multiplicity of self-pumping vent holes extends from the side walls into the solid rubber tire to a depth of about one-half the spaced apart distance, wherein each of the multiplicity of self-pumping vent holes have a maximum cross-sectional dimension of between about 0.5% and 1.5% of the original maximum tire diameter, wherein the multiplicity of self-pumping vent holes are formed into the tire spaced from each other so that every part of the solid rubber material forming the tire is at a distance of less than about 12% of the original maximum diameter of the tire from any one of the multiplicity of self-pumping vent holes, such that the multiplicity of self-pumping vent holes thereby cool the solid rubber.