| 摘要 |
PROBLEM TO BE SOLVED: To provide a torsional vibration attenuation device that can prevent a foreign matter from entering a space in which a lease spring is housed, without increasing its weight and cost.SOLUTION: A torsional vibration attenuation device has a hollow guide member 25 attached to a recess part 23 so as to surround an arc spring 14 and spring sheets 15, 16, and by closely contacting the outer peripheral parts of the spring sheets 15, 16 and both surfaces in the rotational axis direction of an annular plate 18 of a hub plate 11 with the hollow cylindrical part of the guide member 25 and the inner peripheral part of an extension part 27b, seals a space inside a guide member 25. |
