Elevator for an agricultural harvesting machine

Crop threshing or separating – With stone trap – Pivoting trap

Reexamination Certificate

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Reexamination Certificate

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07011580

ABSTRACT:
An agricultural harvesting machine comprises a crop processing apparatus and an elevator assembly for conveying harvested crop material to the crop processing apparatus. The elevator assembly comprises an elevator housing and an endless elevator apparatus mounted for rotation in the housing, the elevator apparatus having lower and upper lower runs. A shielding mechanism, such as an intermediate plate, shields the lower elevator run from the upper run. The intermediate plate is provided with at least one aperture enabling passage therethrough of crop material, and at least one removable cover for closing the aperture.

REFERENCES:
patent: 1934160 (1933-11-01), Ballentine et al.
patent: 2696290 (1954-12-01), Carroll
patent: 3468112 (1969-09-01), Landgrebe
patent: 3785472 (1974-01-01), Mathews
patent: 3981125 (1976-09-01), Kerber et al.
patent: 4288969 (1981-09-01), Underhill
patent: 5324231 (1994-06-01), Van Herpe et al.
patent: 6471032 (2002-10-01), Busschaert et al.

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