公开(公告)号：US12146532B2

公开(公告)日：2024-11-19

申请号：US18224630

申请日：2023-07-21

Applicant: Kabushiki Kaisha F.C.C.

Inventor： Yuki Kobayashi ,  Takayuki Suzuki ,  Takayoshi Mimuro ,  Jun Komukai ,  Yasunori Higashi ,  Makoto Kambara ,  Satoshi Ota ,  Yukinori Kurita

IPC: F16D23/12 ,  F16D13/56 ,  F16D13/70 ,  F16D13/52

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.