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.

Date of Patent:
Nov. 19, 2024

Filed:

Jul. 21, 2023
Applicant:

Kabushiki Kaisha F.c.c., Hamamatsu, JP;

Inventors:

Yuki Kobayashi, Hamamatsu, JP;

Takayuki Suzuki, Hamamatsu, JP;

Takayoshi Mimuro, Hamamatsu, JP;

Jun Komukai, Hamamatsu, JP;

Yasunori Higashi, Hamamatsu, JP;

Makoto Kambara, Hamamatsu, JP;

Satoshi Ota, Hamamatsu, JP;

Yukinori Kurita, Hamamatsu, JP;

Assignee:

KABUSHIKI KAISHA F.C.C., Shizuoka, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F16D 23/12 (2006.01); F16D 13/56 (2006.01); F16D 13/70 (2006.01); F16D 13/52 (2006.01);
U.S. Cl.
CPC ...
F16D 23/12 (2013.01); F16D 13/56 (2013.01); F16D 13/70 (2013.01); F16D 13/52 (2013.01); F16D 2013/565 (2013.01); F16D 2023/123 (2013.01);
Abstract

A clutch device includes a pressure plate movable toward or away from a clutch center and rotatable relative to the clutch center to press input-side rotating plates and output-side rotating plates. The clutch center includes center-side cam portions each including a center-side assist cam surface. At least one of the center-side cam portions includes at least one of a first center-side recess recessed in a first direction from a surface of center-side cam portion at a side of a second direction or a second center-side recess recessed in the second direction from a surface of the center-side cam portion at a side of the first direction.


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