| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a chain guide having excellent quietness properties. <P>SOLUTION: The chain guide includes: a guide base 15 which extends in the travel direction of a chain 5; a plurality of roller shafts 16 which are attached to the guide base 15 at intervals in the travel direction of the chain 5; and rollers 17 which are rotatably supported about the roller shafts 16. The chain guide guides the chain 5 over the cylindrical outer peripheral surfaces 17a of the rollers 17, and the cylindricity of the outer periphery 17a of the rollers 17 is 20 μm or less. <P>COPYRIGHT: (C)2013,JPO&INPIT |
