| 摘要 |
PROBLEM TO BE SOLVED: To remove free grain over rack from threshed waste straw so as to prevent the grain to be discharged with the waste straw. SOLUTION: The thresher is configured to supply threshing discharge waste in a threshing chamber (6) to a discharge waste processing chamber (10) through the supplying hole (6e) from the inside of a threshing chamber (6), and have a free-grain-over-rack collecting part formed between a threshing chamber middle rear plate (6d) and a threshing chamber rear plate (6b) pivoting a rear end side of a threshing cylinder shaft (7) supporting a threshing drum (7a), and instal a guide (48c) for supporting tip side of the threshed grain stalk in the free grain over rack collecting part, and instal a guide member (9a) at a position between the threshing chamber rear plate (6b) and the threshing chamber middle rear plate (6d) in the middle of the threshing drum (7a) and the discharge waste chamber (11a), and configured to remove free grain over rack on the threshed straws by threshing teeth (7b) on the rear end of the threshing drum (7a) in the free grain over rack collecting part and flow-down them on to a swing selector (25). COPYRIGHT: (C)2011,JPO&INPIT
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