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:
Aug. 18, 2015
Filed:
Nov. 13, 2012
Kabushiki Kaisha F.c.c., Shizuoka, JP;
Tomoyasu Satou, Hamamatsu, JP;
Shinji Furuhashi, Hamamatsu, JP;
Norikazu Takeda, Hamamatsu, JP;
Kenichirou Isobe, Hamamatsu, JP;
Kabushiki Kaisha F.C.C., Shizuoka, JP;
Abstract
A clutch device is provided which facilitates an operation of checking whether or not spring seats have been properly disposed and effectively prevents falling off or a change in attitude of the spring seats, thereby reducing the labor required for manufacture. A clutch deviceincludes a pressure platewhich presses friction plateswhich are rotationally driven by a drive shaft against clutch plates. The pressure plateincludes clutch springsand spring seatsdisposed in receiving portionshaving a concave shape. Each spring seathas two plate-shaped armsandextending along the bottomof the receiving portionand has a C-like shape. Protrusionsandproject from the peripheries of the armsand. Recessesinto which the protrusionsandfit are formed in an inner wall portion of each receiving portionat a position near the bottomof the receiving portion