Aoyama Seisakusho Co., Ltd.

Honda Motor Co., Ltd.

Akihiro Furukawa

Yukinori Fujimoto

Kazunori Hida

Shigeki Matsunami

Yuichi Hiroi

Mitsuki Yoshida

Hideharu Kouketsu

Yuichiro Suzuki

To threadedly engage a bolt and a female screw with each other, thereby making it possible to shave off a deposit on the inner surface of the female screw and to make it easy for a worker to sense the seating, there is provided a bolt including a shaftand a head, wherein a first threadis provided on a head side of the shaft, and at least one of a thread provided larger in diameter than the first thread and a thread provided wider than the first thread is provided on a tip end side of the shaft.

Bolt and fastening structure

An article fixing device includes an adjustment mechanism, a protrusion, and a fastening bolt. The adjustment mechanism is joined to a side of a lower surface of the roof panel. The protrusion is provided integrally with the adjustment mechanism and fixes a roof rail. The fastening bolt fastens a support member to the adjustment mechanism. Further, the adjustment mechanism includes a fitting convex member provided integrally with the protrusion, a fitting concave member that that is able to be screwed into the fitting convex member, and a resin ring that is provided in the fitting concave member and that cooperates with rotation of the fastening bolt.

Article fixing device

The coating film peeling nut of the present invention has a notchformed in an inner surface of a nut main bodyon which a female screwis formed, the notchextending in a direction different from that of a lead angle of the female screw. The notchis formed helically, and a winding direction thereof is the same as that of the female screw. A pitch of the notchis 2 to 10 times a pitch of the female screw, and a depth of the notchis 20 to 80% of a thread height of the female screw

Coating film peeling nut

Growing community of inventors

Inuyama, Japan

Akihiro Furukawa