| 摘要 |
PROBLEM TO BE SOLVED: To provide a divided idler wheel capable of certainly and simply being fitted to a shaft, and showing excellent durability by preventing excessive deformation and breakage at the time of tightening a bolt. SOLUTION: A pair of semicircular divided wheels 110, 110 comprises divided surfaces 110a joined with each other at a boss portion 111 and a rim portion 112 and not joined with each other at a middle area 113 continuing to the boss portion and the rim portion 112, and a bolt fastening portion 115 formed in the middle area 113. The divided idler wheel 100 is made by combining and fastening the semicircular divided wheels 110, 110 making the pair with each other. COPYRIGHT: (C)2004,JPO
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