Patent ID: 11920644
Assignee: NSK LTD.
Field: Mechanical elements (Mechanical engineering)
Classification: CPC F | IPC F

Claim 1:
2. The reverse input cut-off clutch according to claim 1, wherein, in the second state, the contact portion between the output-side engaging part and the output-side engaged part is set to be a first contact portion, the contact portion between the input-side engaging part and the input-side engaged part is set to be a second contact portion, and a contact portion between the other pressing surface of the pair of pressing surfaces which is located on an opposite side with respect to the first contact portion across the rotation center of the output member in the second direction and the pressed surface is set to be a third contact portion,
a force point distance that is a distance in the second direction between the first contact portion and the second contact portion is smaller than ⅓ of an action point distance that is a distance in the second direction between the first contact portion and the third contact portion.