| 摘要 |
PROBLEM TO BE SOLVED: To efficiently separate harvests from impurities. SOLUTION: This impurity separator for a harvester is equipped with separating rollers 3 having a polygonal cross-sectional shape in the impurity separator for the harvester provided with feeding rollers 2 having protrusions 2A formed of an elastic material in a state of a hedgehog on the surface thereof, arranged so as to intersect the feeding direction at right angles and rotating in the feeding direction and the separating rollers 3 installed adjacently parallel to the feeding rollers 2 on the feeding side of the feeding rollers 2 and rotating in the direction opposite to the feeding rollers 2.
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