Rotor of thrashing section of crop harvesting machine
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United States of America Patent
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-
Feb 2, 1982
Grant Date -
N/A
app pub date -
Apr 24, 1980
filing date -
Apr 25, 1979
priority date (Note) -
Expired
status (Latency Note)
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Abstract
The rotor of the thrashing section of a crop harvesting machine comprises a helicoidal vane which extends helically around a cylindrical body. L-shaped pins mounted on the rim of the helicoidal vane can be turned at different angles. By adjusting these pins, a greater or lesser thrashing of the crop is achieved. The rotor operates in the interior of a cylindrical screen which has a mesh-size that allows only the passage of cleaned grains while straw and chaff are exhausted at the rear by a fan.
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