CROP PROCESSING ASSEMBLY FOR A COMBINE HARVESTER
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United States of America Patent
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Issued Date -
Jun 20, 2024
app pub date -
Dec 18, 2023
filing date -
Dec 18, 2023
priority date (Note) -
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Abstract
A crop processing assembly includes a tube-shaped cage structure and a threshing and separation rotor mounted in the cage structure. The cage structure includes one or more curved gratings at the bottom and a cover at the top, so that the rotation of the rotor actuates the movement of crops along a helicoidal path through the gap between the rotor and the cover and gratings. Inclined guide vanes are arranged on the inner surface of the cover to provide guidance to the crops. The cover includes a step between an upstream portion of the cover and a downstream portion of the cover, so that the gap between the rotor and the cover is larger in the downstream portion than in the upstream portion. The step is oriented at an oblique inclination angle, when the cover is regarded in a parallel projection view from a position above the step.
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