| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a resin pulley which can prevent a crack and includes high wear resistance. Ž<P>SOLUTION: A resin pulley 1 is made of a resin material containing synthetic resin and inorganic fibers, and constituted of a cylindrical boss part 6, an annular part 4 extending radially outward from the outer periphery of the boss part 6 and a cylindrical rim part 3 successively provided to the outer peripheral part of the annular part 4 and having a belt contact surface 3a coming into contact with a belt 20 on an outer periphery. The inorganic fiber contained in the resin material forming the resin pulley 1 includes at least two types of inorganic fibers having mutually different sizes. Ž<P>COPYRIGHT: (C)2010,JPO&INPIT Ž
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