| 摘要 |
PROBLEM TO BE SOLVED: To provide a threshing cylinder having a large opening for inspection in a state of suppressing a reduction in the strength of a threshing cylinder drum while being the threshing cylinder having the threshing cylinder drum made of sheet metals. SOLUTION: The threshing cylinder comprises the threshing cylinder drum 30 made of the sheet metals and equipped with a reinforcing rib 41 installed circumferentially on the threshing cylinder drum 30, and the opening 42 for the inspection, formed in the periphery wall 31 of the threshing cylinder drum 30 at the vicinity of the reinforcing rib 41. COPYRIGHT: (C)2009,JPO&INPIT
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