| 摘要 |
<p>A noise and vibration damper (20) for a shift lever member (10) in a manually operable vehicle transmission (11) is disclosed. The damper (20) includes a hollow cylindrical housing (21) having upper and lower pairs of aligned, transversely extending apertures (21a, 21b). The upper end of a lower shift lever member (11a) extends upwardly into housing (21), while the lower end of an upper shift lever member (13) extends downwardly into the housing (21). A transversely extending pin (22, 23) extends through apertures (27, 28) formed in the ends of each of the shift lever members (11a, 13) and through their respective pair of apertures (21a, 21b) to secure the shift lever members (11a, 13) to the housing (21). The ends of the pins (22,23) are supported within the apertures (21a, 21b) by nylon bushings (25). The ends of the upper and lower shift lever members (11a, 13) are spaced apart from one another and from the damper housing (21) by a hollow cylindrical sleeve (35) of vibration dampening material, such as polyurethane. The polyurethane is injected into the housing (21) and moulded about the ends of the shift lever members (11a, 13) so as to acoustically isolate them from one another. A collar (30, 31) is provided about both the upper and lower ends of the damper housing (21) to provide positive stops for the shift lever members (11a, 13) when they are moved.</p> |
