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:
Dec. 25, 2001
Filed:
Jan. 07, 2000
Yasuyuki Hashimoto, Neyagawa, JP;
Exedy Corporation, Osaka, JP;
Abstract
A damper disk assembly is provided for use in a clutch device. The damper disk assembly has a pair of plates,and,(rotary member) elastically coupled to the hub flange,(rotary member) by a damper mechanism,. The damper mechanism,is designed to reduce disadvantages due to nonparallel compression of an elastic member in the damper disk assembly. The damper mechanism,includes a plurality of coil spring assemblies,. The coil spring assemblies,have a large coil spring,, a small coil spring,and a pair of spring seats,. The paired spring seats,are arranged on the circumferentially opposite ends of the small coil spring,. The spring seats,support the circumferentially opposite ends of the small coil spring,, and are engaged with the inner side of the small coil spring,. The spring seats,are supported for rotation with respect to two kinds of rotary members around a shaft parallel to a rotation axis of the rotary members.