| 摘要 |
<p>An isolator comprising a shaft (10), a pulley (20) journalled to the shaft on a first bushing (40) and a second bushing (50), a torsion spring (30) engaged with the shaft and the pulley, the torsion spring exerting an axial contractive force to retain the pulley on the shaft, a cover member (60) fixed to the shaft, the pulley urged into engagement with the cover member by the torsion spring axial contractive force, the cover member further comprising an axially projecting member (62) disposed radially outwardly of the torsion spring, the pulley comprising a circumferential pocket (24) for cooperatively receiving the projecting member and having a stop (23) disposed within the circumferential pocket, and a- rubber member (80) disposed with the stop for engaging the projecting member.</p> |
