Auxiliary steering for motor vehicles

Details Auxiliary steering for motor vehicles Auxiliary steering for motor vehicles

1980-05-07

1983-02-15

Pekar, John A.

Motor vehicles

Including one or more ski-like or runner members

With at least one surface-engaging propulsion element

91375A, 91434, B62D 508

Patent

active

043735983

ABSTRACT:
A conventional power steering cylinder and valve assembly of the kind having a steering spindle and a torsion rod between relatively rotative valve members is provided with a steering resistance simulating means in the form of a tubular piston that surrounds the torsion rod and axially abuts the manually rotated portion of the steering spindle through a rotation resisting cam device. The reaction piston is axially movable but splined to the torsion rod in a manner to prevent rotation, and subjected to axial pressure force to thus resist manual rotation of the steering spindle. Manual force is exerted to act through the cam device to effect axial movement of the reaction piston against the pressure force thereon to achieve a steering resistance simulation. A particular feature resides in optional use of the reaction piston in an otherwise known cylinder and valve construction, depending on market choice.

REFERENCES:
patent: 3180233 (1965-04-01), Jablonsky
patent: 4173987 (1979-11-01), Kouda

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