Truck suspension system

Land vehicles – Wheeled – Running gear

Patent

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Details

267 63R, B60G 500

Patent

active

041627997

ABSTRACT:
The present invention discloses a multiple axle truck suspension structure and system for vehicles wherein road and tire excitations of each axle are isolated from their opposing axle, as well as from the sprung mass. This is accomplished via deflections of pressure-resistant spring means and load-equalizing supports. In a preferred embodiment of this invention, a truck version of my novel vehicle suspension system is disclosed as having separately trunnioned rocker beam assemblies supported by cross axles, and wherein an equalizer interconnects air and elastomeric spring means. The equalizer is pivotally connected to either one or both vertical legs of opposing rocker beams, and is reactive on opposing axles, to enable more instantaneous dynamic deflecton of the combined air and elastomeric spring means than the elastomeric hysteresis would otherwise permit. The air spring relieves the hysteresis resistance of the elastomeric spring means on initial impacts. The elastomer also serves to partially dampen the air spring, as well as to provide load deflection resistance.

REFERENCES:
patent: 2442354 (1948-06-01), Gordon
patent: 3572745 (1971-03-01), Willetts
patent: 4030738 (1977-06-01), Willetts

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