Vehicle suspension system with multiple overlapping composite co

Details Vehicle suspension system with multiple overlapping composite co Vehicle suspension system with multiple overlapping composite co

1987-03-09

1988-08-30

Bertsch, Richard A.

Land vehicles

Wheeled

Running gear

280669, 280688, 280694, 280697, 267 47, 267149, B60G 2104

Patent

active

047671343

ABSTRACT:
A vehicle suspension system includes a primary composite control arm element and a secondary composite control arm element. The secondary element has a length shorter than a length of the primary element. A root attachment assembly is provided for mounting an inner end of each of the primary and secondary elements to a corresponding side of a vehicle frame. The primary and secondary elements are positioned relative to each other such that the secondary element overlaps an inner portion of the primary element. An outer portion of the primary element extends beyond an outer end of the secondary element. A wheel hub assembly is mounted to the outer portion of the primary element. A shock absorber is connected to the side of the frame for damping motion of the outer end of the primary element relative to the frame. The primary and secondary composite control arm elements provide greater overall strength, a progressive spring rate, and over-load protection.

REFERENCES:
patent: 2319172 (1943-05-01), Watson et al.
patent: 2635894 (1953-04-01), Jackman
patent: 2882043 (1959-04-01), Benz
patent: 3034802 (1962-05-01), Axtmann
patent: 3377060 (1968-04-01), Sherwood
patent: 3456939 (1969-07-01), Duchemin
patent: 3989425 (1976-11-01), Walker et al.
patent: 4540197 (1985-09-01), Finn
patent: 4557500 (1985-12-01), Collard et al.
PPG Industries article entitled "An Experiment in Weight Reduction . . ." two pages--undated.

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