| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a chain guide, and a chain tensioner device using it, of high rigidity at a contact surface to a chain and low sliding resistance, which is hard to wear even if contacting to the chain travelling at a high speed. <P>SOLUTION: A roller 12 contacting to the chain 1 includes a support shaft 13 supported by side plate members 9, facing each other, provided in the travelling direction of the chain 1, and a roller bearing having steel outer race 12a contacting the chain 1, being provided on the outer peripheral surface of the support shaft 13. <P>COPYRIGHT: (C)2013,JPO&INPIT |
