Suspension and load leveling for an urban hauler

Details Suspension and load leveling for an urban hauler Suspension and load leveling for an urban hauler

1975-06-04

1976-07-20

Goodman, Philip

Land vehicles

Wheeled

Running gear

280 6H, 280709, B06G 1700

Patent

active

039703274

ABSTRACT:
A tandem axle suspension assembly for a vehicle includes a pair of axles pivotally supported to the vehicle frame and including resilient means supporting the frame above each of the axles. The resilient means includes fluid cylinders for each of the axles and a source of fluid in open communication with both sets of cylinders and an accumulator to maintain an even load distribution on the respective axles. The fluid system includes a valve responsive to the position of one of the axles with respect to the frame to maintain the frame and axles at a predetermined distance apart. Means are also provided for raising one of the axles from contact with the supporting ground.

REFERENCES:
patent: 2777652 (1957-01-01), Grudin
patent: 2970848 (1961-02-01), Rice
patent: 3690688 (1972-09-01), Fleury

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