Semi-balanced tandem suspension
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United States of America Patent
Stats
-
Dec 23, 2003
Grant Date -
Nov 20, 2003
app pub date -
May 17, 2002
filing date -
May 17, 2002
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A suspension system provides a pair of walking beams mounted parallel to a longitudinal main frame of a vehicle subframe. The walking beams support tandem axles. The walking beams are mounted to lower outboard brackets extending from each axle. A spherical joint extending from each longitudinal end of each walking beam engages the lower outboard brackets. Each walking beam is constrained against fore-aft movement through a pair of watts linkages. The watts linkages are separated by a lateral torsion tube. Each walking beam is connected to its respective watts linkages through a revolute joint and pivot relative to the torque tube. A pair of tie-rods are attached between each watts linkages and a fixed support. The tie rods include spherical joints at each end. Each axle is further restrained by a V-rod attached to an upper bracket extending from each axle.
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Cited Art Landscape
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