CPC F16B 5/02 (2013.01) [F16B 37/043 (2013.01)] | 11 Claims |
1. An attachment portion that is attached to an attachment hole of an attachment object, the attachment portion comprising:
a first fastening portion having a shaft portion;
a second fastening portion to be screwed with the first fastening portion;
a deformable member positioned between the first fastening portion and the second fastening portion; and
a detent portion that suppresses a rotation of at least one of the first fastening portion or the deformable member,
wherein the shaft portion is provided with an engagement portion that engages with at least one of the detent portion or the deformable member, and the deformable member and the second fastening portion sandwich the attachment object by inserting the first fastening portion and the deformable member into the attachment hole from one side of the attachment object and screwing the second fastening portion from the one side.
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