Machine element or mechanism – Control lever and linkage systems – Multiple controlled elements
Patent
1991-09-19
1994-09-20
Braun, Leslie A.
Machine element or mechanism
Control lever and linkage systems
Multiple controlled elements
74523, 403281, 403305, B60K 2000, G05G 104, B25G 300
Patent
active
053478819
ABSTRACT:
A compound shift lever mechanism employs a noise and vibration damper assembly for isolating an upper shift lever from a lower shift lever of a transmission. In a preferred form, the levers are held in spaced, coaxial alignment for unitary movement in a plurality of planes by a damper which comprises two parts. The first part is a cylindrical elastomeric sleeve defining axially spaced female end portions comprising bores which frictionally overlie and snugly encase the two lever end portions which extend thereinto. The second part is a cylindrical metallic shell which circumferentially encapsulates the elastomeric sleeve which contains the respective ends of the upper and lower levers. The shell thus radially encapsulates both of the end portions, as well as the sleeve, which incorporates a midportion containing a radial internal barrier to prevent direct physical contact between the extremities of the levers. Finally, spaced female ends of the shell are crimped radially inwardly against the female end portions of the sleeve and, in turn, against both lever end portions, to frictionally retain the end portions in spaced, coaxial alignment.
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Deutschman Ernest F.
Jester Terry L.
Watson Rick D.
Braun Leslie A.
Dana Corporation
Laub David W.
McDonald F. B.
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