Castor independent steering arm mounting

Details Castor independent steering arm mounting Castor independent steering arm mounting

1995-10-05

1996-11-26

Rice, Kenneth R.

Land vehicles

Wheeled

Running gear

280691, B60G 300

Patent

active

055777589

ABSTRACT:
There is provided a steering and suspension arrangement for "bump-steer" control wherein the steering arm is transformed into an articulated segment of either the upper or lower control linkage by substituting a universal joint for a corresponding spherical joint at the upright's pick-up point and thus creating a Hooke's type universal joint and attaching the upright to this assembly. This attachment of the upright to the universal joint is by means of bearings forming a laterally disposed axis integrated into the assembly enabling the upright to pivot freely about it without any effect on the steering arm and thus eliminating toe-in changes and "bump steer". The articulated steering arms eliminate tire scrub arising out of undesirable toe changes, and thus reduce the ensuing tire drag, and thus result in reduced tire wear and fuel consumption, as the wheels rise and drop with compression and extension strokes of the suspension. Conversely, reduced tire drag improves straight-line and cornering speeds.

REFERENCES:
patent: 4610461 (1986-09-01), Guzzetta

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