| 摘要 |
A plurality of leg portions for mounting and a pair of engagement portions are formed at a mark. While the leg portions for mounting and engagement portions are being inserted through, the mark is mounted in a recess portion of a pad cover. Thereafter, a spring formed in a substantially annular shape is mounted to the leg portions for mounting, and bent end portions of the spring are resiliently engaged with the engagement portions. Accordingly, as compared with prior structures utilizing heat-caulking and metal-caulking, the mark can be mounted to the pad cover simply and reliably, and costs and the space which is used can be reduced.
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