B - Operations – Transporting – 62 – D
Patent
B - Operations, Transporting
62
D
B62D 55/26 (2006.01) B62D 55/24 (2006.01)
Patent
CA 2216694
This present invention provides a novel form of endless drive track for snow vehicles and the like, comprising: a flat inner surface with means of being propelled by a conventional drive mechanism common to conventional snowmobiles. An outer surface comprising a plurality of tread blocks equally spaced transversely along the outer surface of the track, each of the tread blocks is moulded transversely to the outer surface of the track. The lower portion of the tread blocks has a solid base extending upwardly to a point where the tread blocks have a plurality of slots. The slots are strategically located in the tread blocks to cause a staggered pattern of tread sections. The slots have a shallow depth towards the outer edges of the tread blocks, increasing in depth towards the centre of the tread block, having the greatest depth near the longitudinal centre line of the track. The slots divide the upper portion of the tread blocks into a plurality of different tread sections causing a tread-like pattern. The tread sections increase in height from the outer edges of the track to the longitudinal centre line of the track. Each tread section has its own radius, the combination of tread sections along the upper portion of the tread blocks will have a camber- like effect. These and other aspects of the invention are described in the drawings.
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