Motor vehicles – Special driving device – Portable track
Patent
1993-10-26
1994-12-20
Culbreth, Eric D.
Motor vehicles
Special driving device
Portable track
180235, 305 21, 305 28, B62D 5500
Patent
active
053739094
ABSTRACT:
An articulated tracked vehicle for agricultural harvesting which reduces damage to fields and can be driven on paved roads at reasonable speeds. The vehicle has front and rear elements, linked by an articulating joint which permits turning and rotation of one element with respect to the other. Each element is motivated by a pair of tracked power units which are hydraulically driven by a heavy duty differential between the units. Each power unit is rotatably mounted solely on a shaft sleeve of the differential and is free to oscillate vertically and independently to absorb irregularities in its path. Each unit includes an endless elastomeric track which has two rows of lugs on its inner surface. A novel drive mechanism engages these lugs to motivate the vehicle. A sealed transmission housing in each power unit protects key drive elements from environmental damage without interfering with operation of the unit. The transmission is centrally disposed within each power unit to provide further protection from damage.
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"Radial Bearings, Type SF" in catalog SPHERICAL PLAIN BEARINGS, published by The Torrington Co., Inc., 59 Field St., Torrington, Conn. 06790.
Dow Paul W.
Dow Steven S.
Byron Enterprises Inc.
Culbreth Eric D.
Johnson Victor E.
Lukacher M.
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