A FEED ROLL FOR A COMBINE HARVESTER
A feed roll (10) according to the invention comprises multiple paddles (12) mounted upright on the cylindrical surface (14) of the roll and oriented parallel to the roll's rotation axis (19), and multiple V-shaped guide vanes (17) in a central area (26) of the feed roll (10). Characteristically...
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Format: | Patent |
Sprache: | eng ; fre ; ger |
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Zusammenfassung: | A feed roll (10) according to the invention comprises multiple paddles (12) mounted upright on the cylindrical surface (14) of the roll and oriented parallel to the roll's rotation axis (19), and multiple V-shaped guide vanes (17) in a central area (26) of the feed roll (10). Characteristically for the invention, one or more paddles (12) or paddle portions are located in the central area (26). According to particular embodiments, said paddles (12) or paddle portions are located between the blades (20) that define the V-shaped vanes (17), i.e. blades which extend between a top point (23) at or near the tip of the V-shape and a base point (24) at the base of the V-shape. Paddles (12) may be present between said base points (24) of one or more of the V-shaped vanes (17), and additional intermediate paddles (27) may be located between the top points (23) and the base points (24) of the blades. The paddles (12) or paddle portions located in the central area (26) enhance the capability of deflecting stones or other objects away from the threshing rotors (7) mounted downstream of the feed roll (10) in a combine harvester (15) according to the invention. |
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