Steering apparatus

Details Steering apparatus Steering apparatus

1992-06-26

1994-04-19

Hill, Mitchell J.

Motor vehicles

Surface effect vehicles

Dynamic seal or fluid curtain

180149, B62D 302

Patent

active

053037936

ABSTRACT:
A power steering apparatus of rack-and-pinion type comprising an input shaft steered by a driver, an output shaft operatively connected to a rack bar through a rack-and-pinion gear mechanism, a hydraulic cylinder operatively connected to the rack bar, and a rotary valve operatively connected to the input shaft. The steering apparatus further comprises an intermediate rotary member disposed between the input shaft and output shaft for rotation about an axis offset from the rotational axis of the output shaft, and a reduction gear mechanism arranged between the rotary valve and the intermediate rotary member. A cam mechanism is disposed between the intermediate rotary member and the output shaft for transmitting the rotation of the intermediate rotary member to the output shaft. The cam mechanism is composed of a cam groove formed on one of the intermediate rotary member and output shaft, and a follower roller provided on the other of the intermediate rotary member and output shaft to be engaged with the cam groove.

REFERENCES:
patent: 4195706 (1980-04-01), Konishi
patent: 5156228 (1992-10-01), Kato et al.

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