Patent ID: 9702431
Date: 2017-07-11
CPC Classifications: F16F

Claim:
1. A damper comprising: a first rotation member being rotatable around a rotation axis; a second rotation member being rotatable around the rotation axis; a third rotation member being rotatable around the rotation axis; a first elastic portion interposed between the first rotation member and the second rotation member and being elastically deformed by a relative rotation between the first rotation member and the second rotation member; a second elastic portion interposed between the second rotation member and the third rotation member and being elastically deformed by a relative rotation between the second rotation member and the third rotation member; and a centrifugal absorber including a rolling element that is positioned at an inner side relative to the first elastic portion and the second elastic portion in a radial direction of the rotation axis, the rolling element being supported by the third rotation member and, while in contact with an inwardly protruding portion of the second rotation member and an outwardly recessed portion of the second rotation member, rotatable relative to the second rotation member.