Precleaner of a grain harvesting machine

Details Precleaner of a grain harvesting machine Precleaner of a grain harvesting machine

1981-01-12

1982-11-16

Hafer, Robert A.

130 27E, 130DIG5, A01F 1218

Patent

active

043590586

ABSTRACT:
A characteristic feature of the present invention is the fact that in a precleaner device incorporating an element conveying the cropped material being treated to the sieves and cleaning fan, provision is made for a cropped material thrower and a perforated rotary cylinder both being interposed between the conveying element and the sieves. The rotary cylinder accommodates a fan adapted for catching the light admixtures from the cropped material being treated.

REFERENCES:
patent: 2409292 (1946-10-01), Mac Gregor
patent: 3760813 (1973-09-01), Mathews

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