| 摘要 |
<p>PROBLEM TO BE SOLVED: To continue a long-time harvesting work by reducing entanglement of waste straws in a drive sprocket and a tension roller of a threshing feed chain of a combine.SOLUTION: In a combine, a front side sprocket (26) around which the forward end of a feed chain (7) is wound is provided on the furthermore front side than a grain culm supply port (2) of a thresher (3), and a drive sprocket (28) and a tension roller (29) of the feed chain (7) are provided under the front side sprocket (26), and the drive sprocket (28) is interlocked with a hydraulic infinite variable-speed drive (50).</p> |
