| 摘要 |
There is provided a universal joint boot 10 having: a boot body 1 including a bellows part and an opening portion 2 which is formed in one end of the bellows part and into which a case for receiving one member of two members moving relatively to each other is inserted; and an annular adaptor 20 that is mounted on the inner peripheral surface of the opening portion 2 and has an outer peripheral surface formed nearly in the same shape as the inner peripheral surface, wherein the adaptor 20 has: a fixing portion 24 that is pressed by the inner peripheral surface of the opening portion 2 of the boot body 1 , thereby being fixed to the case; a reversing portion 26 that is located opposite to the fixing portion with the opening portion 2 between them and sandwiches the opening portion 2 together with the fixing portion; and a folding portion 25 where the reversing portion 26 is folded back to the outside. Hence, the universal joint boot 10 can be easily assembled.
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