Harvesters – Vegetable gatherer – Asparagus havester
Patent
1986-02-05
1987-05-05
Wilson, John J.
Harvesters
Vegetable gatherer
Asparagus havester
56 149, 56 151, 56 154, A01D 4600
Patent
active
046621628
ABSTRACT:
A single-row tomato harvester. A tractor fully supported on its own wheels, has its wheels being spaced apart sufficiently to bridge a previously harvested bed and ride in its furrows. The tractor has its own hydraulic pump, a power take-off unit along the tractor's longitudinal centerline, and a rigid draw bar at its rear. A harvester assembly having no motive power is partially supported on wheels spaced apart widthwise at substantially the same distance as those of the tractor and has a series of hydraulically powered means. The harvester is offset by one bed from the tractor during harvesting. A tongue pivotally attached at one end to the harvester and the other end to said tractor, supports a hydraulic pump for operating the harvester's series of powered means. A longitudinally rigid drive line, swivel mounted to said pump's rotary shaft and to the tractor's power take-off unit, has telescoping means for automatically lengthening and shortening it. The drive line lies along the centerline of the tractor during the offset harvesting. A hydraulically powered generally horizontal cylinder-piston apparatus is pivotally attached at one end to said tongue and at the other end to the harvester for shifting the relative lateral position of the harvester assembly to the tractor.
REFERENCES:
patent: 1646455 (1927-10-01), Johnson et al.
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patent: 2806337 (1957-09-01), Rezabek
patent: 4037395 (1977-07-01), Henkensiefken
patent: 4046399 (1977-09-01), Zeuner et al.
patent: 4332128 (1982-06-01), Prince
patent: 4418518 (1983-12-01), Koch et al.
patent: 4584826 (1982-04-01), Bettencourt et al.
Bettencourt Darryl G.
Bettencourt Thomas S.
Weiss John G.
Wilson John J.
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