Combine having separating and cleaning apparatus

Details Combine having separating and cleaning apparatus Combine having separating and cleaning apparatus

A - Human Necessities

01

F

130/12

A01F 7/06 (2006.01) A01F 12/18 (2006.01) A01F 12/44 (2006.01)

Patent

CA 1162817

ABSTRACT OF THE DISCLOSURE A combine includes a longitudinally extending auger - mounted in a tubular casing and provided with spiral flighting for conveying cut crop material rearwardly between the exterior surface of the auger and the interior surface of the tubular casing. A longitudinally extending threshing rotor is mounted on the rearward end of the auger for rotation therewith. A longitudinally extending concave embraces the rotor and is spaced from the rotor to define a threshing space therebetween. The concave includes a grate at its lower end, and an impeller is positioned below the grate for propelling grain and chaff downwardly from said grate toward the sieves and chaffing device below. The chaffing device includes a fan having two outlets for blowing the chaff away from the grain both above and below the sieves. A plurality of spring fingers are located below the impeller for engaging the grain. -2-

397845

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