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:
Nov. 19, 2019
Filed:
Jul. 21, 2017
Aoyama Seisakusho Co., Ltd., Niwa-Gun, JP;
Toyota Jidosha Kabushiki Kaisha, Toyota-Shi, JP;
Takashi Matsuda, Nissin, JP;
Toshinao Wada, Miyoshi, JP;
Hideharu Koketsu, Niwa-Gun, JP;
Masato Kanbe, Niwa-Gun, JP;
Shigeki Matsunami, Niwa-Gun, JP;
Yukinori Fujimoto, Niwa-Gun, JP;
Aoyama Seisakusho Co., Ltd., Niwa-Gun, JP;
Toyota Jidosha Kabushiki Kaisha, Toyota-Shi, JP;
Abstract
There is provided a structure capable of ensuring a bearing surface pressure on an inner diameter side and an outer diameter side of a washer even if a thickness of the washer is suppressed. In a washer used at a fastening portion of a vehicle, a configuration in which a bearing surface is sectionalized into two faces, an inner abutting face and an outer abutting face, by an annular groove is adopted.