Patent ID: 6142201
Filing Date: 2000-11-07
Classification: B60C

Abstract:
A pneumatic tire for a sand car, said tire including a reinforced carcass having a tread support portion and opposed sidewalls, and a body of elastomeric material vulcanized to said carcass defining a tread, said tread being asymmetrical with respect to the center plane of the tire and comprising:a single continuous, generally radially extending ring-shaped lug surface extending around the periphery of the tire, anda pair of substantially smooth curved surfaces extending from said lug surface, one to each sidewall of the tire, wherein one of the substantially smooth curved surfaces is convex and extends across the center plane of the tire, and wherein said lug surface is offset laterally from the center plane of the tire toward one said sidewall, said lug surface having radially spaced inner and outer edge portions, said outer edge portion extending laterally from said center plane a distance greater than said inner edge portion so that said lug surface includes an undercut lug surface between said outer edge portion and said inner edge portion extending around the periphery of the tires said undercut lug surface being a substantially frusto-conical surface portion.