| 摘要 |
<P>PROBLEM TO BE SOLVED: To suppress grain loss and dust intrusion while preventing discharge trouble of a threshed material in a thresher provided with a threshing part to charge whole reaped culm into a threshing chamber and thresh the culm, a dust-sending port positioned at a rear end of the threshing chamber and a dust outlet opened at a back of a machine body to discharge dust of a shaking sorter from the machine body together with separation air sent from a winnower. Ž<P>SOLUTION: The thresher is provided with a dust discharge adjusting body 86 to switch the thresher between a discharge restriction state by moving to a closing side of a dust transfer path 85 connected to the dust outlet 40a to restrict the dust discharge, and restriction released state by moving to an opened side of the dust transfer path 85 and release the dust discharge restriction by the dust outlet 40a, wherein the dust discharge adjusting body is positioned under the dust sending port 49 of the dust transfer path 85. Ž<P>COPYRIGHT: (C)2010,JPO&INPIT Ž
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