Land vehicles – Wheeled – Running gear
Patent
1996-12-02
1998-08-11
Ellis, Christopher P.
Land vehicles
Wheeled
Running gear
280688, 280711, B60G 1126
Patent
active
057916810
ABSTRACT:
A vehicle suspension system having a pair of spaced apart control arms, and a central beam positioned intermediate the control arms. The central beam and the control arms are pivotally mounted to the frame at one end, and secured to the axle at another end. At least one air spring extends between the axle and the frame to support vertical load, and the center beam. The center beam has sufficient width to provide a roll stable suspension, while remaining resistant to lateral deflection. The pivotal connection at the central beam provides a bushing, 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 embodiment, a lift mechanism is provided for raising the axle from a ground engaging to a non-ground engaging position. In yet another embodiment, the suspension system is provided as a primary suspension.
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Granning Suspension Systems, Truck Suspension Brochure, Feb. 1, 1983.
Ellis Christopher P.
Rockwell Heavy Vehicle Suspension Systems, Inc.
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