Combine concave

Details Combine concave Combine concave

1983-09-15

1985-02-05

Eskovitz, Jay N.

130 27P, A01D 1224

Patent

active

044973284

ABSTRACT:
An improved concave for use on a combine has a plurality of spaced-apart bars mounted parallel to the axis of rotation of the combine cylinder and at an angle with respect to a radial line passing from the center of the cylinder through each of the bars. The angle of inclination of the bars increases progressively from the intake end to the discharge end of the concave. The passageway between the concave and the cylinder also becomes progressively smaller from the intake to the discharge end of the concave. The angle of inclination of the bars aids the passage of grain between the bars and reduces resistence of the bars to the passage of grain therebetween.

REFERENCES:
patent: 577608 (1897-02-01), Rogers
patent: 870781 (1907-11-01), Landis
patent: 993193 (1911-05-01), Pelican
patent: 1342806 (1920-06-01), Gross
patent: 2457259 (1948-12-01), Moll
patent: 3537459 (1970-11-01), Thomas

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