Rotary combine

Details Rotary combine Rotary combine

1994-09-15

1996-02-06

Melius, Terry Lee

Crop threshing or separating

Threshing

With adjusting means for threshing cylinder

460109, A01F 1228

Patent

active

054892392

ABSTRACT:
A rotary combine including an elongated rotor assembly having a rotor mounted within a rotor casing for threshing crop materials passing through the rotor assembly. The rotor casing includes an axially elongated threshing section defined by a plurality of concaves that define an arcuate section extending axially along a underside of the rotor casing. Each concave extends in partial circumferential relation relative to the rotor and is supported for movement toward and away from the rotor. An improved concave adjustment mechanism including a powered motor assembly is operably disposed between the frame of the combine and each of the concaves so as to permit on-the-go adjustment of the concaves in unison relative to the rotor to variably control the cooperative threshing relationship between the rotor and the concaves.

REFERENCES:
patent: 3470881 (1969-10-01), Knapp et al.
patent: 3631862 (1972-01-01), Rowland-Hill
patent: 3871384 (1975-03-01), Depauw et al.
patent: 4330000 (1982-05-01), Peiler
patent: 4375221 (1983-03-01), Bernhardt et al.
patent: 4425925 (1984-01-01), Kersting et al.
patent: 4802496 (1989-02-01), Bennett
patent: 4805643 (1989-02-01), Tetaka
patent: 5041059 (1991-08-01), Ricketts
patent: 5395287 (1995-03-01), Coers

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