Traction assembly with endless track having variable...

Details Traction assembly with endless track having variable... Traction assembly with endless track having variable...

2011-08-30

2011-08-30

Bellinger, Jason R (Department: 3617)

Wheel substitutes for land vehicles

Endless belt having nonmetallic track or tread

Track formed of endless flexible belt

C305S044000, C180S009440

Reexamination Certificate

active

08007058

ABSTRACT:
The present invention generally provides a wheel replacing traction assembly which uses, for propulsion, a longitudinally extending endless track disposed around and cooperating with a sprocket wheel, idler and/or road wheels and a supporting frame. The endless track generally comprises an inner wheel-engaging surface and an outer ground-engaging surface, the latter being provided with traction lugs. The outer surface further comprises at least one laterally extending portion which also extends along the circumference of the track; the traction lugs located on this laterally extending portion being generally higher than the traction lugs located on the remainder of the outer surface.

REFERENCES:
patent: 4448273 (1984-05-01), Barbieri
patent: 6109705 (2000-08-01), Courtemanche
patent: 2007/0240917 (2007-10-01), Duceppe
patent: 2009/0090570 (2009-04-01), Zuchoski et al.
patent: 2010/0108421 (2010-05-01), Zuchoski et al.
patent: 52-2925 (1977-01-01), None
patent: 58-71275 (1983-04-01), None

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