Motor vehicles – Special driving device – Portable track
Patent
1977-05-13
1979-01-09
Goodman, Philip
Motor vehicles
Special driving device
Portable track
305 27, B62D 5510
Patent
active
041334019
ABSTRACT:
A suspension system for a track-type tractor includes a shaft disposed through apertures of unitary frame members adjacent opposite sides of the vehicle, with track frames pivotally mounted to extended ends of the shaft, the shaft being rotatable and movable axially relative to the frame members.
REFERENCES:
patent: 3735830 (1973-05-01), Talley
patent: 3980149 (1976-09-01), Blomstrom
Allen Royce D.
Oestmann Eldon D.
Caterpillar Tractor Co.
Goodman Philip
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