Harvesters – Cotton – Pickers
Patent
1992-03-12
1993-09-28
Melius, Terry Lee
Harvesters
Cotton
Pickers
56 43, 56 47, A01D 4616
Patent
active
052477860
ABSTRACT:
A row unit is provided which utilizes a relatively large front drum, such as a 16-bar drum and a smaller rear drum, such as a 12-bar drum. The front drum is first to contact the cotton plant and as a result picks more cotton than the rear drum. The large 16-bar drum operates with relatively low cam roller and bar loads and therefore is capable of higher speeds. A new rear drum cam orients the picker bars in such a manner as to reduce cam roller and bar loads without noticeably sacrificing picking efficiency and permits the rear drum to also operate at higher speeds. Faster ground speeds are achieved without significant increases in critical component loads. In another aspect of the invention, the axis of one of the drum cams is angled from the normal straight ahead configuration to facilitate drum placement and minimize additional row unit width. The drums are operated in an inline configuration to pick cotton from one side only of the row so that narrow row harvesting is facilitated.
REFERENCES:
patent: Re32699 (1988-06-01), Fachini
patent: 3088262 (1963-05-01), Graham
patent: 3354625 (1967-11-01), Taylor et al.
patent: 3512346 (1970-05-01), Mecklin et al.
patent: 4249365 (1981-02-01), Hubbard et al.
patent: 4821497 (1989-04-01), Deutsch et al.
patent: 4928459 (1990-05-01), Thedford et al.
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