Combine harvester

Crop threshing or separating – Threshing – With feed means for threshing section

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Details

460 75, 460101, 460114, 56 146, A01F 0704

Patent

active

058300619

ABSTRACT:
An automotive combine has a frame adapted to move in a travel direction along the ground, a front housing pivotal on the frame, a cutter on the front housing for cutting standing crop, and a main thresher on the front housing having a front intake and a rear output for taking in the cut standing crop at the intake, threshing it, and ejecting it at the output as a chaff/grain stream and a separate chaff stream. A pair of separate conveyors on the frame each have an intake at the rear output for receiving the chaff/grain stream and a respective output for ejecting respective portions of the chaff/grain stream. One of the conveyor outputs is vertically spaced above the other conveyor output. An upper sieve at the one conveyor output and a separate lower sieve at the other conveyor output receive the respective portions of the chaff/grain stream and separate kernels from chaff therein. The kernels are moved from the sieves to a grain bin on the frame while the chaff is blown out onto the ground outside the combine.

REFERENCES:
patent: 4497162 (1985-02-01), Eguchi et al.
patent: 4739774 (1988-04-01), Heidjann
patent: 4968284 (1990-11-01), Klimmer et al.
patent: 5466190 (1995-11-01), Skinner et al.
patent: 5519987 (1996-05-01), Voss

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