Wheel substitutes for land vehicles – Tracks or treads – With roller means
Patent
1991-01-28
1992-07-21
Stormer, Russell D.
Wheel substitutes for land vehicles
Tracks or treads
With roller means
305 21, 305 57, B62D 5512
Patent
active
051317311
ABSTRACT:
A drive system for a track type vehicle includes a drive wheel assembly having a rim with a sprocket attached thereto and a resilient frictional driving tire, at least one idler wheel assembly having a rim and a resilient tire with a central rib of a larger diameter, and an endless track having a plurality of serially spaced openings and protrusions extending generally perpendicularly from an inside surface. The protrusions cooperate with guide grooves in the wheels to maintain the alignment of the endless track with the wheels when the endless track is tensioned around the wheels. Frictional driving tires transmit substantially all of the driving force under normal conditions and sprocket teeth engaged with openings in the endless track prevent slippage under exceptional conditions.
REFERENCES:
patent: 2376802 (1945-05-01), Morse
patent: 2531111 (1950-11-01), Daniels
patent: 2560307 (1951-07-01), Slemmons
patent: 3357752 (1967-12-01), Ruf
patent: 3762012 (1973-10-01), Aker
patent: 4861120 (1989-08-01), Edwards et al.
Forsberg Jerold M.
Power Equipment Corporation
Stormer Russell D.
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