Rotary grain screener

Details Rotary grain screener Rotary grain screener

1988-11-30

1990-04-24

Massie, IV, Jerome W.

Crop threshing or separating

Separator

Axial

460 81, 460 82, B02S 306

Patent

active

049196421

ABSTRACT:
A rotary grain screener is disclosed in which the primary grain-advancing flighting is mounted on the internal surface of the rotary screener drum and an inner auger is mounted on a central axial drive shaft to advance the grain forward in the drum at a greater rate than is accomplished by the flighting on the internal surface of the drum. The screener drum is supported on the central drive shaft which has a support bearing on the input auger housing and the drum is further provided at the input end with two annular bearing plates which are attached to the end plate of the drum and have a close fit around the input auger housing for closure and support purposes. A single motive power source drives the drive assembly which operates both the input auger and the screener drum.

REFERENCES:
patent: Re717 (1859-05-01), Moffitt
patent: 221453 (1879-11-01), Fisher
patent: 323726 (1885-08-01), Payne
patent: 1617688 (1927-02-01), O'Toole
patent: 2811158 (1957-10-01), Rietmann
patent: 3122499 (1964-02-01), Witzel et al.
patent: 3463314 (1969-08-01), Feterl
patent: 4440637 (1984-04-01), Smit et al.
Farm Fans, Inc., GC-140 Grain Cleaner brochure.
Feterl Mfg. Co., Rotating Crop Cleaners brochure.
Gilmore & Tatge Mfg. Co., F1080 Grain Cleaner brochure.
Sukup Manufacturing, Model 48 Grain Cleaner brochure.
Modern Farm Systems (MFS) Model 1800 Grain Cleaner brochure.

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