Machine element or mechanism – Control lever and linkage systems – Hand operated
Patent
1995-02-08
1997-01-07
Marmor, Charles A.
Machine element or mechanism
Control lever and linkage systems
Hand operated
74531, B62D 118
Patent
active
055905650
ABSTRACT:
A motor vehicle steering column having power adjustment of the horizontal and vertical positions of a steering wheel on an end of the steering column including an adjustable tubular mast jacket on which the steering wheel is supported, a stationary tubular mast jacket, and a self-adjusting slide bearing between the stationary and adjustable mast jackets. The self-adjusting slide bearing includes a support tube on the stationary mast jacket, pair of inward facing frustoconical seats on the support tube, a pair of plastic split sleeve bearings slidably mounted on the adjustable mast jacket each having an outward facing frustoconical side, and a tubular spring between the split sleeve bearings biasing the latter toward converging annuluses defined between the frustoconical seats and the adjustable mast jacket for lash-free sliding support of the adjustable mast jacket on the stationary mast jacket. In a preferred embodiment, the tubular spring is a plastic sleeve having a plurality of circumferential slots separated by a plurality of webs which resiliently flex in the length direction of the sleeve.
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Beauch Howard D.
Cymbal William D.
Keipert Frank R.
Olgren Leland N.
Palfenier Samuel R.
Fenstermacher David
General Motors Corporation
Marmor Charles A.
Schwartz Saul
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