Joints and connections – Rod end to transverse side of member – Radially interposed – side-engaging shim or bushing
Patent
1992-12-07
1994-02-08
Reese, Randolph A.
Joints and connections
Rod end to transverse side of member
Radially interposed, side-engaging shim or bushing
403361, 74523, 74543, 74553, 74548, G05G 106, G05G 912
Patent
active
052844005
ABSTRACT:
A fastening arrangement for attaching a handgrip knob assembly to a vehicle gearshift lever rod. The knob has a through cavity comprising an upper cavity portion, an intermediate cavity portion supporting a metal insert, and a lower upwardly tapered cavity portion. The insert upper surface defining a bottom wall clamping surface of the upper cavity portion bottom wall. An internally threaded insert through bore is divided from a lower counterbored portion by an internal stop shoulder. The shift lever rod has an upper threaded stem connected by a cylindrical shank portion to an upwardly tapered rod section while the stem portion terminates in a frustoconical pilot end. A rod external stop shoulder divides the stem and shank sections. A spring steel drive washer, having a central aperture intermeshed with an upper crown portion of a locknut, is initially press-fitted in the upper cavity until its outer edge frictionally engages a serrated portion of the upper cavity. Assembly begins with the installer releasing the knob assembly above the rod stem such that the knob's lead-in cavity slidably receives the rod stem in a gravity induced torque ready manner. Initial torquing of the locknut results in self-threading of the stem through the insert and into the locknut bore causing the stop shoulders to clamp in a first anti-rotational lock. Continued torquing releases the frictionally retained drive washer from the serrated portion thereby clamping the locknut undersurface against the cavity bottom wall providing a second anti-rotational lock.
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Barthel Edward P.
Chrysler Corporation
Novosad Christopher J.
Reese Randolph A.
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