Earth working – With actuator adapted to lift tool for transport on wheeled...
Patent
1995-12-26
1997-06-24
Melius, Terry Lee
Earth working
With actuator adapted to lift tool for transport on wheeled...
172286, 172311, A01B 7300
Patent
active
056410263
ABSTRACT:
An agricultural cultivator includes a single elongate tubular tool bar of circular cross section which is split into a center section and two wing sections interconnected with the center section at outer ends thereof through pivot couplings. The center section of the tool bar is mounted on two ground wheels and the outer end of each wing section is mounted on a respective one of a pair of ground wheels. Each ground wheel is connected to the tool bar by a respective brace. The ground wheels are aligned so that there axes of rotation lie on a common line forwardly of the tool bar. The braces are interconnected with a hitch frame for pivotal movement relative to the hitch frame about pivot pins defining a common pivot axis parallel to the tool bar and located between the tool bar and the common line of the ground wheels so that rotation of the braces causes the tool bar to move forwardly while the ground wheels move rearwardly under the toolbar. The rotation of the tool bar through approximately 90.degree. lifts the cultivator shanks mounted on individual tool frames carried from the tool bar so that the tool frames stand vertically upwardly from the tool bar in a transport position. Each shank is formed from a flat plate lying in a vertical plane engaged in a slot in an angled pulling plate and carries a transverse rod which engages the plate so that the shank can tilt side to side to accommodate obstacles.
REFERENCES:
patent: 2735251 (1956-02-01), Dlugosch
patent: 2889890 (1959-06-01), Brorleeve
patent: 3054462 (1962-09-01), Anderson
patent: 3935696 (1976-02-01), Pavel
patent: 4293043 (1981-10-01), Newkom et al.
patent: 4418762 (1983-12-01), Page
patent: 4502545 (1985-03-01), Cousen
patent: 5191942 (1993-03-01), Bussiere
patent: 5524712 (1996-06-01), Balmer
John Deere Brochure entitled Seed Bed Tillage Equipment--1060 Field Cultivator, pp. 6 and 7 (no date).
Brochure of Morris Industries of Yorkton, Saskatchewan, Canada, p. 12--Magnum II CP-709 Chisel Plow Three Point Hitch (no date).
Brochure of Western Manufacturing (4 pages) (no date).
Battison Adrian D.
Melius Terry Lee
Pezzuto Robert
Thrift Murray E.
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