| 摘要 |
A retention member is formed from an elastically deformable material for being inserted into a fitting hole formed in an attachment body to which an attachment object body having an insertion projection is to be attached or in an attachment object body to be attached to such attachment body having an insertion projection. The retention member has an outer cylinder portion for being fitted into the fitting hole, an inner cylinder portion positioned in a spaced relationship from an inner circumferential face of the outer cylinder portion in the outer cylinder portion for receiving the insertion projection inserted therein, and a plurality of connecting portions connected at the opposite ends thereof to the inner circumferential face of the outer cylinder portion and an outer circumferential face of the inner cylinder portion and positioned in a spaced relationship from each other in a circumferential direction of the inner cylinder portion.
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