| 摘要 |
<P>PROBLEM TO BE SOLVED: To obtain a non-contact type bearing by using a ring magnet with a larger diameter and a ring magnet with a smaller diameter. <P>SOLUTION: The non-contact type bearing structure is so constituted that the ring magnet (3b) with a smaller diameter is provided inside the ring magnet (3a) with a larger diameter, they are made to repel each other by making mutually opposing magnet poles of the respective ring magnets (3a, 3b) to be the same pole, accordingly, it is made to be in a non-contact state between the respective ring magnets (3a, 3b). <P>COPYRIGHT: (C)2004,JPO |
