Motor vehicles – Motor as source of power for other machine
Patent
1983-09-21
1986-04-29
Mitchell, David M.
Motor vehicles
Motor as source of power for other machine
74 152, 172125, 180 24, 180 537, 180900, 280 95R, 280 95A, B60K 1728, B62D 4900
Patent
active
045850844
ABSTRACT:
The tractor has four front wheels and four rear wheels. The wheels are arranged so that they all run in different tracks during the tractor's straight-ahead travel. The wheels are provided with low-pressure, low-profile tires. The front wheels are drivable by the tractor's engine and steerable about king pins mounted from the change-speed gear box. They can be turned in an arc of 150.degree.. The rear wheels are undriven and rotate by ground contact. The tractor is relatively light (about 3500 kilograms or less) and the design minimizes soil compaction. The engine is mounted under the cabin at one side between the front and rear wheels with the change-speed gear box located centrally and primarily above the front wheels. The fuel tank is under the cabin disposed opposite the tractor's longitudinal centerline from the engine. Lifting devices extend to the rear between the central rear wheels and forward of the forward central wheels. Two PTO's are provided both forward and the rear. One PTO, both forward and to the rear, has an rpm proportional to the engine's speed. Another PTO both forward and to the rear has an rpm proportional to the tractor' s travel speed. The tractor's width is about three meters and it is adapted to receive a plurality of agricultural implements both fore and aft. Its cabin is mounted on an H-shaped frame disposed on the front part of the tractor placing the operator about midway between the front and rear wheels.
REFERENCES:
patent: 1676322 (1928-07-01), Chilton
patent: 2543319 (1951-02-01), Heitshu
patent: 2853142 (1958-09-01), Roszler et al.
patent: 3051063 (1962-08-01), Roberts
patent: 3613816 (1971-10-01), Gutbrod
patent: 4131170 (1978-12-01), van der Lely
patent: 4164985 (1979-08-01), Bobard
patent: 4296826 (1981-10-01), van der Lely
patent: 4366877 (1983-01-01), Vissers et al.
Hill Mitchell J.
Mitchell David M.
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