Flexible non-metallic bearing liner for telescopic steering colu

Details Flexible non-metallic bearing liner for telescopic steering colu Flexible non-metallic bearing liner for telescopic steering colu

1991-05-31

1995-01-24

Stodola, Daniel P.

Rotary shafts, gudgeons, housings, and flexible couplings for ro

Torque transmitted via flexible element

Nonmetallic element

74493, 384 42, 464162, 464902, F16D 306, F16D 376, F16D 3320, B62D 118

Patent

active

053838114

ABSTRACT:
A bearing liner comprises an elongated resilient non-metallic unitary structure having a plurality of generally planar sides for placement between a steering sleeve and correspondingly planar-sided steering shaft. The liner is adapted to receive the steering shaft, and in a preferred form comprises four sides having a square cross-section. Each juxtaposed side is joined together by a flexible web which has a cross-section substantially thinner than the average cross-sections of the sides. Each of the sides includes two arcuate, axially extending integral spring channels which define its edges and which are designed to accommodate torsional lost motion between the steering shaft and sleeve members. In a preferred form, the liner is formed of an injection molded composition of nylon having carbon fibers and polytetraflouroethylene, the carbon fiber imparting strength to the composition, the polytetrafluoroethylene supplying lubricity.

REFERENCES:
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patent: 3369425 (1968-02-01), Runkle et al.
patent: 3714841 (1973-02-01), Grosseau
patent: 3877319 (1975-04-01), Cooper
patent: 4020651 (1977-05-01), Callies
patent: 4045980 (1977-09-01), Woodward et al.
patent: 4106311 (1978-08-01), Euler
patent: 4496333 (1985-01-01), Cleveland
patent: 4551115 (1985-11-01), Ferguson
patent: 4667530 (1987-05-01), Mettler et al.
patent: 5080334 (1992-01-01), Mihara et al.

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