| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a torsional damper absorbing and reducing misalignment between a pulley and an endless belt without strict control of a positional tolerance of a groove part and thereby suppressing generation of squeal noise of a belt, in a torsional damper in which an vibration ring is connected to a hub through a rubber-like elastic body and a groove part is formed so that the endless belt is wound around and held by the vibration ring. <P>SOLUTION: The vibration ring is formed by combination of two rings of a mass on an inner circumferential side and a pulley in an outer circumferential side. The pulley is assembled to the mass so that the pulley can be rotated together with the mass and can be axially displaced, and the misalignment between the pulley and the endless belt is absorbed by the axial displacement of the pulley from the mass. <P>COPYRIGHT: (C)2013,JPO&INPIT |
