| 摘要 |
PROBLEM TO BE SOLVED: To facilitate removal of un-threshed grains (second grains) causing clogging when the second grains are fed through the interior of upper and lower second grains-returning cylinders of a second grains-returning device by a second grains-feeding spiral. SOLUTION: In this second grain treating device in a thresher, the second grains-feeding spiral 7 for receiving second grains and feeding second grains through the interior of the second grains-returning device 6 is detachably installed, and the upper second grains-returning cylinder 31 forming the second grains-returning device together with the second grain feeding spiral 7 is detachably installed integrally with the second grains-feeding spiral 7, and a neighborhood part at transfer end of a second grains-feeding spiral plate 36 of the second grains-feeding spiral 7 positioned in a feed port 4b of a threshing chamber 4 for feeding the fed second grains is formed so as to increase transfer ability.
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