| 摘要 |
PROBLEM TO BE SOLVED: To provide the feed chain transmission structure of a threshing section, making it possible to efficiently and simply carry out the adjustment of the tension of a belt and the attachment or detachment of the belt by attaching a driving case for driving a feed chain in a state capable of being rotated on the feed chain-driving shaft side of the driving case. SOLUTION: In this feed chain transmission structure of a threshing section, a driving sprocket 21 on which the feed chain of the threshing section is wound is rotated by the driving shaft 24 of the frame through an input shaft 31 and a driving case 22. Therein, the driving case 22 is rotatably supported on a feed chain-driving shaft 17 pivotally supporting the driving sprocket 21, and the other side of the driving case 22 is supported on the frame through an attaching structure 7 for attaching and fixing the other side of the driving case 22 in a state capable of adjusting the attaching position in the rotation direction. Thus, the tension of the transmission belt 28 and the like can be adjusted.
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