Cleaning means for a combine harvester

Details Cleaning means for a combine harvester Cleaning means for a combine harvester

1998-08-26

2000-05-02

Will, Thomas B.

Crop threshing or separating

Cleaner

Sieve or grate

460 85, 460 90, 460145, A01F 1230, A01F 1232, A01D 1700

Patent

active

060566396

ABSTRACT:
An agricultural harvesting machine having a threshing and separating mechanism for threshing and separating crop material; and cleaning mechanism for cleaning the threshed and separated crop material. The cleaning mechanism comprising: a grain pan for receiving threshed and separated crop material and transporting the latter rearwardly; and an upper and lower sieves installed behind said grain pan and operable to receive the material from said grain pan and move it through and along. At least one portion of said grain pan is inclined in a sideways direction for sideways movement of said threshed and separated crop material while it is being transported rearwardly towards said sieve. This inclination spreads out the surplus of crop material supplied to one longitudinal section of the grain pan and delivers it in an even pattern to the front section of the upper sieve.

REFERENCES:
patent: 2284433 (1942-05-01), Korsmo et al.
patent: 3913589 (1975-10-01), Rouse et al.
patent: 4344443 (1982-08-01), De Busscher et al.
patent: 4897071 (1990-01-01), Desnijder et al.
patent: 5791986 (1998-08-01), Underwood et al.

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