Patent ID: 6109705
Filing Date: 2000-08-29
Classification: B62D

Abstract:
A snowmobile drive track for travelling on various surfaces including icy surfaces, hardened snow surfaces and semi-hardened snow surfaces, comprising an endless body having a ground engaging outer side and a suspension supporting inner side; said body defining a central portion and opposite lateral portions interconnected by a plurality of longitudinally spaced crossbar receiving areas extending crosswise of said body in said central, lateral and suspension bearing portions; each said crossbar receiving area displaying, on said outer side of said body, integrally formed projecting profiles; each profile of a crossbar receiving area being formed of a series of co-planar ground engaging peaks; each profile being characterized by peaks of at least three different heights including a highest peak first, an intermediate second peak and a lowest third peak whereby only said first peaks bear on icy surfaces, said first and second peaks engage hardened snow surfaces and all peaks engage semi-hardened snow surfaces.