Combine sieve plate

Details Combine sieve plate Combine sieve plate

1984-12-04

1985-12-31

Lutter, Frank W.

Classifying, separating, and assorting solids

Sifting

Distributers or spreaders

209 26, 209267, 209281, 209352, 209392, 209318, 130 24, B07B 100, B07B 408

Patent

active

045619727

ABSTRACT:
A grain harvesting combine is provided with an improved sieve plate for more efficient cleaning of the grain. The sieve plate is mounted on the combine adjacent the rearward end thereof and is substantially rectangular in shape. The sieve plate has forward and rearward edges and opposite side edges, the forward edge and side edges being substantially coplanar. The sieve plate also has a forward portion which slopes downwardly from the forward edge and terminates in a substantially flat portion extending rearwardly to the rearward edge. Inclined opposite side portions are also provided which slope downwardly from each side edge to the flat portion of the sieve. The degree of incline of the forward portion and side portions is approximately 5.degree. from the flat portion. The inclined side portions minimized grain loss when the combine is operating on sloping terrain.

REFERENCES:
patent: 434249 (1890-08-01), Closz
patent: 547189 (1895-11-01), Stafford
patent: 731895 (1903-06-01), Hancock
patent: 749531 (1904-01-01), Conner
patent: 1013257 (1912-01-01), Wylie
patent: 1016424 (1912-02-01), Loveland
patent: 1501455 (1924-07-01), Ingersoll
patent: 2739597 (1956-03-01), Buttars
patent: 2923409 (1960-02-01), Yonash
patent: 3043427 (1962-07-01), Eisert
patent: 4480643 (1984-11-01), Alm

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