Rack-pinion type power steering apparatus

Details Rack-pinion type power steering apparatus Rack-pinion type power steering apparatus

1997-06-10

2000-02-08

Herrmann, Allan D.

Machine element or mechanism

Gearing

Follow-up mechanism

91325A, 180417, B62D 5083

Patent

active

060216859

ABSTRACT:
A rack-pinion type power steering apparatus includes a cylindrical stub shaft, a torsion bar, a pinion shaft, a rotor, and a sleeve. The stub shaft rotates in a steering body upon a steering operation. The torsion bar has one end fixed at one end of the stub shaft and extends through the stub shaft toward the other end of the stub shaft. The pinion shaft is pivotally connected to the other end of the torsion bar. The rotor is arranged to cover the torsion bar from the stub shaft along an extending direction of the torsion bar. The sleeve has one end integrally connected to the pinion shaft, extends from the pinion shaft along the stub shaft, and is arranged around the rotor to constitute a rotary type channel selector valve between the rotor and the sleeve. The pinion shaft is axially supported by the steering body at two end portions of the sleeve.

REFERENCES:
patent: 4501191 (1985-02-01), Webber et al.
patent: 4621703 (1986-11-01), Breitweg
patent: 4799514 (1989-01-01), Tanaka et al.
patent: 5517899 (1996-05-01), Bohner

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