Vehicle track providing enhanced steerability

Details Vehicle track providing enhanced steerability Vehicle track providing enhanced steerability

2006-03-28

2006-03-28

Stormer, Russell D. (Department: 3617)

Wheel substitutes for land vehicles

Endless belt having nonmetallic track or tread

Track formed of endless flexible belt

C305S165000

Reexamination Certificate

active

07018005

ABSTRACT:
A vehicle track includes an endless belt. A plurality of laterally-elongated propulsive lugs and longitudinally-elongated turning lugs extend outwardly from an outer side of the endless belt. The propulsive lugs provide substantially longitudinally facing surfaces that dig into the snow to give the vehicle track propulsion and braking traction. However, the gripping force of the propulsive lugs impedes the longitudinally-elongated track's ability to pivot about a generally vertical axis as the tracked vehicle turns. The turning lugs include longitudinally-elongated side surfaces that substantially face in the lateral direction of the track. When the tracked vehicle is steered, the turning lugs form laterally-facing ramps that push the track upwardly away from the snow in response to lateral forces exerted by the snow on the turning lugs. The resulting upward track movement partially disengages the propulsion and turning lugs from the snow to enhance the track's steerability.

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