Heavy duty trailing arm suspension system

Details Heavy duty trailing arm suspension system Heavy duty trailing arm suspension system

2011-06-28

2011-06-28

Dickson, Paul N (Department: 3616)

Land vehicles

Wheeled

Running gear

C280S124107, C280S124116, C280S124157

Reexamination Certificate

active

07967307

ABSTRACT:
The present invention provides a heavy duty suspension system including a frame and a pair of spaced apart trailing arms. The trailing arms have at least a portion with an open bottom and flanges extending away from the opening. The trailing arm preferably has a generally U-shaped cross-section over a substantial portion of its length. An axle has opposing end portions pivotally supported respectively on the trailing arms. A V-rod includes first and second spaced apart ends extending to a common third end with the first and second ends preferably pivotally attached to the frame. The third end is preferably pivotally attached to the axle. The V-rod provides lateral stability and defines a pinion angle with the trailing arms. The trailing arms extend longitudinally from the forward portion to a rearward portion. An anti-roll bar includes opposing end portions and a central portion transverse to and extending between the end portions. The end portions are respectively arranged longitudinally along a portion of the trailing arms and are pivotally secured respectively to the trailing arms.

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“ADL Series Drive Axle Air-Ride Suspension”, Freightliner, Nov. 2001, pp. 1-2, Muskegon, Michigan.

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