The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Apr. 09, 2024
Filed:
Oct. 04, 2022
Toyota Jidosha Kabushiki Kaisha, Toyota, JP;
Yoshinori Fujikake, Nagakute, JP;
TOYOTA JIDOSHA KABUSHIKI KAISHA, Toyota, JP;
Abstract
A part fastening structure fastens a part, using a bolt and a nut. The bolt includes a first spiral groove, a second spiral groove provided on a tip end side of the bolt with respect to the first spiral groove, a slit extending from a tip end of the bolt to the first spiral groove through the second spiral groove, and a loosening suppression groove extending from another end of the second spiral groove to the tip end side. The nut includes: a first nut member including a first pin protruding toward a central axis side and inserted into the first spiral groove; a second nut member including a second pin protruding toward the central axis side and inserted into the second spiral groove; and an urging member disposed between the first and second nut members and that urges the first nut member toward a head portion of the bolt.