| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To provide a pulley structure, capable of quickly depressing rotational fluctuation caused in a rotator without using a rubber elastic material. <P>SOLUTION: The pulley structure 1 includes a pulley 2 around which a belt 106 is wrapped; a hub 3 rotatable relative to the pulley 2; a first annular magnet unit 20 provided on the pulley 2 and composed of three first magnets 17 and three magnetic bodies 25 disposed alternately in the circumferential direction; and a second annular magnet unit 21 provided on the hub 3 and composed of three second magnets 18 and three magnetic bodies 26 disposed alternately in the circumferential direction. <P>COPYRIGHT: (C)2010,JPO&INPIT</p> |
