| 摘要 |
PROBLEM TO BE SOLVED: To provide a streamlined cost-effective sealing structure while having a combined seal ring excellent in sealing performance by improving the structure of a bearing part having a tone wheel and a seal ring. SOLUTION: This sealing structure comprises the combined seal ring 12 formed by distributing a first annular core S1 and a second annular core S2 having a seal member 20 with lips 20a to 20c in slidable contact with the first annular core S1 into a fixed member 2 and rotating member 1 and supporting these members. A ring tone wheel 21 is installed on the rotating member 1. The tone wheel 21 is installed on the annular support member 17 fitted to the rotating member 1. The opposite side of the support member 17 on the side where the tone wheel 21 is installed is extended, and the extension part 17c is formed in the first core S1 or the second core S2. COPYRIGHT: (C)2004,JPO&NCIPI
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