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:
Mar. 06, 2018
Filed:
Sep. 13, 2013
Nissan Motor Co., Ltd., Yokohama-shi, Kanagawa, JP;
Exedy Corporation, Neyagawa-shi, Osaka, JP;
Hiroki Uehara, Kanagawa, JP;
Yuuzou Akasaka, Kanagawa, JP;
Makoto Ogata, Kanagawa, JP;
Yoshinari Yoshimura, Osaka, JP;
Takeshi Senoue, Osaka, JP;
Nissan Motor Co., Ltd., Yokohama, JP;
Exedy Corporation, Osaka, JP;
Abstract
A damper device is provided with a first rotating body, a second rotating body, a coil spring and a spring seat. The coil spring is interposed in a circumferential direction between the first and second rotating bodies. The resin spring seat includes a metallic core member inside. The resin spring seat has a seat portion and an overhang portion. The metallic core member has an overhang metallic core part that has a low-rigidity portion and a high-rigidity portion. The low-rigidity portion is provided on a side close to the seat portion with a relatively lower rigidity. The high-rigidity portion is provided on a side far from the seat portion with a relatively higher rigidity.