Power steering mechanism

Details Power steering mechanism Power steering mechanism

1975-11-13

1977-11-29

Schwadron, Martin P.

Motor vehicles

Wheeled infant carriage or crib with driven means for...

91375A, 418 61B, F15B 1316

Patent

active

040601463

ABSTRACT:
A power steering mechanism especially for highway-type vehicles. The mechanism includes a worm defining an axial bore and an input shaft projecting into the bore and having a lost motion connection with the bore of the worm adjacent the output end of the worm. A valve is disposed at the output end of the worm with a gerotor motor disposed adjacent the valve. Rotation of the input shaft, relative to the worm, rotates the inner valve sleeve, relative to the outer valve sleeve, directing pressurized fluid to the gerotor motor. The gerotor motor includes an externally-toothed star member which orbits and rotates upon actuation of the motor. A dogbone has one end in splined engagement with the gerotor star and the other end in splined engagement with the worm to translate the orbital and rotational movement of the star into rotational movement of the worm. A torsion bar has one end in engagement with the steering wheel end of the input shaft and its other end fixed to the worm.

REFERENCES:
patent: RE25291 (1962-12-01), Charlson
patent: 3145626 (1964-08-01), Vickers
patent: 3273465 (1966-09-01), Eddy
patent: 3433127 (1969-03-01), Thompson
patent: 3446021 (1969-05-01), Lech
patent: 3773081 (1973-11-01), Venable
patent: 3807456 (1974-04-01), Colletti
patent: 3817151 (1974-06-01), Kawabata
patent: 3853435 (1974-12-01), Ogasahara
patent: 3867870 (1975-02-01), Shimoura

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