Machine element or mechanism – Control lever and linkage systems – Multiple controlled elements
Patent
1989-09-25
1990-10-02
Smith, Gary L.
Machine element or mechanism
Control lever and linkage systems
Multiple controlled elements
74523, 403224, 403305, 403306, G05G 912
Patent
active
049600095
ABSTRACT:
A noise and vibration damper for a shift lever assembly in a manually operable vehicle transmission is disclosed. The damper includes a hollow cylindrical housing having upper and lower pairs of aligned, transversely extending apertures. The upper end of a lower shift lever member extends upwardly into housing, while the lower end of an upper shift lever member extends downwardly into the housing. A transversely extending pin extends through apertures formed in the ends of each of the shift lever members and through their respective pair of apertures to secure the shift lever members to the housing. The ends of the pins are supported within the apertures by nylon bushings. The ends of the upper and lower shift lever members are spaced apart from one another and from the damper housing by a hollow cylindrical sleeve of vibration dampening material, such as polyurethane. The polyurethane is injected into the housing and molded about the ends of the shift lever members so as to acoustically isolate them from one another. A collar is provided about both the upper and lower ends of the damper housing to provide positive stops for the shift lever members when they are moved.
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Koedam James G.
Schultz Donald C.
Dana Corporation
Saether Flemming
Smith Gary L.
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