Suspension system

Details Suspension system Suspension system

1974-11-29

1976-03-16

Goodman, Philip

Land vehicles

Wheeled

Running gear

267 57, B60G 1120

Patent

active

039442489

ABSTRACT:
A suspension system for a trailer unit having two pairs of support axles providing independent wheel support, each of the wheels being mounted on torsion-type axles, with means for retracting at least one of the pairs of wheels thereby allowing the remaining pair to support the entire load and wherein the torsion supporting device is so designed to permit the remaining pair of wheels to be automatically, partially retracted thereby lowering the trailer to a predetermined above ground level with added means for further lowering the trailer by additional retraction of the remaining wheel set.

REFERENCES:
patent: 2684237 (1954-07-01), Kayler
patent: 2877023 (1959-03-01), Shaffer
patent: 3271046 (1966-09-01), Evans
patent: 3533641 (1970-10-01), Driskill
patent: 3606373 (1971-09-01), Knott
patent: 3737173 (1973-06-01), Boissier

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