Spring-air tandem suspension

Details Spring-air tandem suspension Spring-air tandem suspension

1976-07-29

1978-07-11

Bertsch, Richard A.

Land vehicles

Wheeled

Running gear

280683, B60G 502

Patent

active

040997405

ABSTRACT:
The suspension, as mounted in duplicate to a truck or trailer frame midway between fore and rear axles of a rear axle pair, is located relatively closely adjacent the rear of said frame; and it utilizes but a single air bag or spring unit, horizontally interposed medially between the axles, yet well spaced forwardly and inwardly from their wheel tires, as a springing agency.
This unit acts vertically between the frame and a horizontal rocker arm assembly of the suspension that is coupled front-to-rear with a pair of generally similar leaf spring sets. The suspension affords an equal loading of the leading and trailing rear axles by a total of only two such air springs, each coacting with a fully floating beam, this beam being slidably associated between said spring sets.

REFERENCES:
patent: 3014735 (1961-12-01), Lich
patent: 3224522 (1965-12-01), Fleming
patent: 3692325 (1972-09-01), Govirand

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