Combination hydraulic and mechanical suspension system

Details Combination hydraulic and mechanical suspension system Combination hydraulic and mechanical suspension system

1975-06-20

1976-11-16

Goodman, Philip

Land vehicles

Wheeled

Running gear

280685, B60P 160

Patent

active

039920356

ABSTRACT:
A tandem axle suspension system for a vehicle includes a first axle including non-adjustable fixed spring means for connecting the axle for support of the frame of the vehicle, and a second axle including an adjustable hydraulic spring means and including leveling valve means responsive to the distance between the second axle and the frame means for controlling communication of fluid to the second or adjustable hydraulic spring means.

REFERENCES:
patent: 2777529 (1957-01-01), Harbers
patent: 3094341 (1963-06-01), Alfieri
patent: 3740070 (1973-06-01), Butler

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