Aoyama Seisakusho Co., Ltd.

Toyota Jidosha Kabushiki Kaisha

Katsuhisa Katoh

Yukinori Fujimoto

Shigeki Matsunami

Yoshihiro Murase

Ryuji Utsuno

Yuichi Hiroi

Hiroyasu Ichikawa

Mototsugu Hara

Takahiro Seko

The nut of the present invention is an encased nut including: a case body which is welded to a body; and a nut which is freely movably held inside the case body. The nut is composed of a hexagonal nut body and an insulating member made of a resin and insert-molded on the outer surface of this hexagonal nut body. The insulating member is provided with a plurality of protrusions on the side, abutting on the body, of the outer circumferential part. The nut is insulated, and thus is not affixed by electrodeposition coating.

Encased nut

Provided is a case nut in which a nut that is held inside a case body so as to swing freely is not fixed as a result of electrodeposition coating treatment. The case nut is provided with a case body that is welded to a body, and a nut that is held inside the case body so as to float freely. The nut is provided with a metal nut body and a resin insulating member that is formed on the outside of the nut body and prevents contact of the upper surface, lower surface and outer surfaces of the nut body with the inner wall surfaces of the case body and with the body.

Case nut

Growing community of inventors

Niwa-gun, Japan

Katsuhisa Katoh