Improved endless track unit for four-tracked vehicles

Details Improved endless track unit for four-tracked vehicles Improved endless track unit for four-tracked vehicles

B - Operations, Transporting

62

D

B62D 55/065 (2006.01) B62D 55/12 (2006.01)

Patent

CA 2198057

An improved system in an endless track unit of an all-terrain vehicle. A track is driven with a drive wheel that has sprocket disks drivingly engaging the track with more than two teeth from those disks drivingly engaging the track at any given time. The track is trained around the drive wheel and a plurality of undriven guide wheels. A damper wheel may sit downstream of the drive wheel between the drive wheel and the first guide wheel and supports the underside of the track. A preferred embodiment has a sprocket disk with thirteen cogs that have a generally tear-shaped cross section forming teeth of the sprocket, more than two of which drivingly engage a stretch-resistant track at any given time. The track a continuous belt formed of molded rubber with stretch-resistant chords imbedded therein. A replaceable journal liner secured within an axle journal assembly, an improved guide wheel spindle that has a shoulder forming a bearing liner, and ice scrapers positioned on the inside of the track for removing built-up debris may also be installed to further improve operation of the endless track unit.

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