Two-stage vehicle spring suspension

Details Two-stage vehicle spring suspension Two-stage vehicle spring suspension

1978-06-29

1980-07-22

Love, John J.

Land vehicles

Wheeled

Running gear

267 21R, B60G 1122

Patent

active

042136334

ABSTRACT:
A two-stage spring suspension is provided by employing vertically acting rectilinear movement shear rubber springs as full range springs, and vertically acting compression springs to provide helper or second stage springs essentially operative only under heavier loading. Desirably the compression springs are in the form of upright action rubber bodies. The subject disclosure is patterned after the single stage suspension shown in my U.S. Pat. No. 3,811,700, dated May 21, 1974. As compared with this patented disclosure, this invention reduces the rubber and metal required, retaining equal capability, stability and rollover or sidesway control, reduces the unsprung weight and cost, has a longer effective life, and, of course, a softer and better ride at low loadings.

REFERENCES:
patent: 2998266 (1961-08-01), Hickman
patent: 3301573 (1967-01-01), Hickman
patent: 3606376 (1971-09-01), Hickman
patent: 3811700 (1974-05-01), Moore

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