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:
Feb. 08, 2000
Filed:
Jul. 23, 1999
Toshiya Kosumi, Kadoma, JP;
Yoshinobu Fukuda, Higashiosaka, JP;
EXEDY Corporation, Neyagawa, JP;
Abstract
In one embodiment, in a multi-plate clutch (100), drive plates (7) and driven plates (8) and (8') are interposed between a flywheel (2) and a clutch pressure assembly (10). The driven plates (8') having contact portions (51) each extending further from projections (27) and further extending radially inwardly therefrom, and contactable at both end in the axial direction of the second cylindrical portion (13). In an alternate embodiment, only one driven plate (8') is provided and a plate member (55) is fixed to a hub flange (6) to limit axial movement between the driven plate (8') and the hub flange (6). In another embodiment a multi-plate clutch (200) includes a cushion ring (60) is disposed between the pressure plate (29) and a diaphragm spring (30). Further, the diaphragm spring (30) has inner circumferential slits (66) and outer circumferential slits (67) to improve air flow therethrough for cooling. The diaphragm spring in another embodiment includes a first diaphragm spring (30A) and a second diaphragm spring (30B) both coated with solid lubricant films.