| 摘要 |
<p num="1"><br/><br/><br/>The driven pulley (10) comprises two conical sheaves (12, 14), both mounted to <br/>a shaft, and at least two symmetrically-disposed cam surfaces (30), each <br/>corresponding to cam followers (32) provided for engaging the respective cam <br/>surfaces (30). The cam followers (32) are maintained in position by respective <br/>supports (38). A noise damper (48) is disposed between at least one of the cam <br/>followers (32) and its respective support (38) to dampen the vibrations, <br/>thereby reducing noise.<br/>
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