| 摘要 |
PROBLEM TO BE SOLVED: To provide a threshing device provided with a grain filtering device improving filtering performance in threshing wet materials without resistance in leaking down. SOLUTION: The invention relates to the grain filtering device installed in a substantially arc shape on an out side of radius than threshing teeth protruding of an outer circumference of the threshing cylinder, wherein a punched plate 50 is installed on a part with less than half length of the direction of axis of threshing cylinder (the direction of arrow head S) on a front end side outer circumference of the threshing cylinder, and a porous body 41 composed of rod like wire bodies 46a, 46b arranged like a grid with a predetermined space is arranged in the rear half side of the threshing cylinder connected to the rear end of the punched plate 50. COPYRIGHT: (C)2008,JPO&INPIT
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