Clutch device

US12146532B2 · kind B2 · utility

Assignee

• KABUSHIKI KAISHA F.C.C. · JP

Inventors

• Yuki Kobayashi · Shibuya, JP
• Takayuki Suzuki · Yokohama, JP
• Takayoshi Mimuro · Hamamatsu, JP
• Jun Komukai · Hamamatsu, JP
• Yasunori HIGASHI · Hamamatsu, JP
• Makoto Kambara · Hamamatsu, JP
• Satoshi Ota · Tokyo, JP
• Yukinori Kurita · Hamamatsu, JP

Key dates

• Filing date: Jul 21, 2023
• Grant date: Nov 19, 2024
• Expiry date: Jul 21, 2043

Classification

• Technology area (CPC F): Mechanical Engineering; Lighting; Heating
• CPC primary: F16D2023/123
• WIPO field: Mechanical elements
• WIPO sector: Mechanical engineering

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.