Heavy-duty vehicle axle/suspension system

Details Heavy-duty vehicle axle/suspension system Heavy-duty vehicle axle/suspension system

2006-04-28

2010-06-08

Dickson, Paul N (Department: 3616)

Land vehicles

Wheeled

Running gear

C280S124116, C280S124157

Reexamination Certificate

active

07731211

ABSTRACT:
An axle/suspension system for a heavy-duty vehicle, in which the vehicle includes a frame that extends in a longitudinal direction relative to the vehicle. The axle/suspension system is attached to the vehicle frame via at least one hanger and includes at least one beam, which includes a first end and a second end. The first end of the beam is connected to the hanger, and the second end of the beam immovably captures an axle, which extends in a transverse direction relative to the vehicle. The beam is formed of a composite material and has a substantially constant cross section in the transverse direction to provide sufficient strength to control roll forces encountered by the vehicle during operation.

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Photograph of a trailing arm air suspension with a composite beam bolted to the axle, manufactured by BPW Bergische Achsen KG, which is located in Germany. Photograph was taken in about Nov. 2003.
DaimlerChrysler brochure entitled “New DCA Trailer Axle System,” published in Germany. Date of publication of brochure is uncertain. System believed to be known to the public as of about Apr. 2003.

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