Harvester-thresher

Solid material comminution or disintegration – Apparatus – Helical pusher inside tube moves material toward perforated...

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Details

2411017, A01F 1240, A01F 2906, A01F 2910

Patent

active

046467572

ABSTRACT:
In a combine harvester which conveys the straw which has been separated from grain to the rear outlet by means of a shaker, and wherein grain which is still present is fed to a sieve box, the straw is supplied to cutter means for comminuting purposes, said cutter means being detachably mounted at the rear outlet of the harvester-thresher. A straw accelerating drum with sieve means, which separate any still present residual grain, is mounted upstream of the bladed shaft which is mounted in said cutter means and is provided with blade comb, said shaft and comb being enclosed by a housing.
Said sieve means simultaneously form the guide faces for supplying the straw to the straw accelerating drum, each sieve means having a trough portion associated therewith at its lower end for collecting the residual grain. An auger, which is mounted in said trough portion conveys the residual grain to a lateral winnowing grain elevator which re-supplies the residual grain to the sieve box via a chute.

REFERENCES:
patent: 2752969 (1956-07-01), Gronberg
patent: 2950747 (1960-08-01), Alloway
patent: 3670739 (1972-06-01), Rowland-Hill
patent: 3712309 (1973-01-01), Schmitz
patent: 3874604 (1975-04-01), Gronberg et al.
patent: 4056107 (1977-11-01), Todd et al.
patent: 4484587 (1984-11-01), Raineri
patent: 4510947 (1985-04-01), Devriese
patent: 4526180 (1985-07-01), Scott et al.

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