Land vehicles – Wheeled – Running gear
Patent
1996-12-02
1998-05-05
Ellis, Christopher P.
Land vehicles
Wheeled
Running gear
280688, 280711, B60G 1126
Patent
active
057464413
ABSTRACT:
A vehicle suspension system having a central beam formed with a mounting flange on each side thereof. The beam is pivotally mounted to a suspension frame at one end, and rigidly attached to an axle at another end along substantially the entire length of the axle. A control arm is pivotally mounted to each mounting flange at one end, and to the suspension frame at another end whereby the pivot axis of the center beam and the control arms are axially aligned. Additionally, the pivot connection of the central beam provides one or two bushings which may have a constant spring rate, or which may include a spring rate which varies in the vertical and horizontal direction. In a second and third embodiment, a lift mechanism is provided for raising the axle from a ground engaging to a non-ground engaging position.
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Ellis Christopher P.
Rockwell Heavy Vehicle Suspension Systems, Inc.
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