Patent attributes
A torque fluctuation absorber includes a first annular member, a second annular member arranged to be axially separated from the first annular member, an annular and dish-shaped first disc spring arranged between the first annular member and the second annular member, a first support portion arranged between the first annular member and the first disc spring and being partially or continuously in contact with the first disc spring on a circle passing through a first predetermined radial portion of the first annular member, and a second support portion arranged between the second annular member and the first disc spring and being partially or continuously in contact with the first disc spring on a circle passing through a second predetermined radial portion of the second annular member, the second predetermined radial portion being radially different from the first predetermined radial portion of the first annular member.