| 摘要 |
PROBLEM TO BE SOLVED: To provide a threshing machine easily openable with a moderate additional lifting force even in the case of lifting an upper structure 40 having a threshing cylinder 2 relative to a lower structure 30 having a concave screen 5 or lifting an upper lid 50 of a threshing chamber of the upper structure 40. SOLUTION: A spring 90 for an upper structure is attached to the upper structure 40 and a spring 91 for the upper lid of a threshing chamber is attached to the upper lid 50 of the threshing chamber. The spring 90 for the upper structure applies a lifting operation force to the upper structure 40 using the lower structure 30 as a reaction member. The spring 50 for the upper lid of the threshing chamber applies a lifting operation force to the upper lid 50 of the threshing chamber using the lower structure 30 as a reaction member. COPYRIGHT: (C)2006,JPO&NCIPI
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