Harvesters – Cornstalk type – Pickers or huskers
Patent
1993-05-11
1995-04-11
Bagnell, David J.
Harvesters
Cornstalk type
Pickers or huskers
460 31, 460 33, A01D 4502
Patent
active
054046998
ABSTRACT:
A stalk roll comprises a cylindrical shell having six integral flutes. Each flute is provided with a knife edge having a leading surface and a trailing surface. The leading surface has a forward slope of approximately 10.degree. from the plane formed by the central longitudinal axis of the cylindrical shell and the vertex of the respective knife edge. The trailing surface has a reverse slope of approximately 30.degree. from the plane formed by the central longitudinal axis of the cylindrical shell and the vertex of the respective knife edge. The cylindrical shell comprises two semi-cylindrical pieces that are clamped about a drive shaft of a corn harvesting head by associated bolts.
REFERENCES:
patent: 1188084 (1916-06-01), Kreitzer
patent: 1493626 (1924-05-01), Gebhardt et al.
patent: 2469687 (1949-05-01), Fergason
patent: 2538965 (1951-01-01), Fergason
patent: 3101720 (1963-08-01), Karlsson
patent: 3340702 (1967-02-01), Russell
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patent: 4233804 (1980-11-01), Fischer et al.
patent: 4845930 (1989-07-01), Dow
patent: 4974402 (1990-12-01), Ostrup et al.
patent: 5009061 (1991-04-01), Heuling
patent: 5040361 (1991-08-01), Briesemeister
Geringhoff Brochure entitled "Pick Corn Chop Stalks", 4 pages, published in Canada (undated).
Pixall Brochure entitled "Pixall Knife Rolls", 4 pages, published in U.S.A., 1992.
Adams Bonnie D.
Christensen Timothy F.
Sandau Jerry A.
Bagnell David J.
Deere & Company
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