Screening belt unit for a harvesting machine, and associated flap unit
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United States of America Patent
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Oct 18, 2022
Grant Date -
Jun 24, 2021
app pub date -
Oct 16, 2018
filing date -
Oct 17, 2017
priority date (Note) -
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status (Latency Note)
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Abstract
Screening belt unit is provided for a harvesting machine or harvested material transport device, and in particular for a root crop harvester or root crop transport belt, and for screening extraneous material out of a mixture of harvested material and extraneous material. A screening belt has at least two endless carriers, preferably in the form of carrier belts or chains, between which screening bars are arranged in a direction transversely to the conveying direction. The screening bars forming a plurality of screening bar units that comprise in particular in each case at least two screening bars. At least a part of the screening bars is fixed so as to be movable relative to the endless carriers. The screening belt unit has a positioning means which is arranged at least partially along the screening belt and acts on the movable screening bars. In the screening zone S, as seen in the screening direction, a spacing A in the conveying direction F of successive screening bars is defined and in particular settable in a variable manner, and associated flap unit.
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