Grain saver attachment for the straw walker of a combine

Details Grain saver attachment for the straw walker of a combine Grain saver attachment for the straw walker of a combine

1989-11-01

1991-06-04

Bui, Thuy M.

Crop threshing or separating

Separator

Straw walker

56 146, A01D 4102, A01F 1230

Patent

active

050210297

ABSTRACT:
In a conventional combine harvester which includes straw walkers which move in an orbital path so as to lift and move straw rearwardly along the straw walkers there is provided an improved attachment device including a surface which is inclined from a front edge upwardly and rearwardly to a rear edge at a position elevated above the saw-toothed side edge of the straw walker and at least one supplementary saw-toothed element positioned at the surface and having a saw-toothed upper edge for lifting straw over the surface and along the remainder of the straw walker. The attachment improves the separation action of the straw walkers and causes more grain to escape from the straw at the attachment with the grain then sliding downwardly and forwardly from the surface through perforations in the straw walker for collection on the conventional shoe.

REFERENCES:
patent: 1864005 (1932-06-01), Taylor
patent: 3599644 (1971-08-01), Bichel
patent: 3603063 (1971-09-01), Stroburg
patent: 3734102 (1973-05-01), Pool
patent: 4150525 (1979-04-01), DeBusscher et al.
patent: 4392500 (1983-07-01), Houle
patent: 4606356 (1986-08-01), Odahara

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