Self-steer lift axle suspension system having a steering return, damper and lock integrated with a steering knuckle assembly
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United States of America Patent
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Dec 31, 2013
Grant Date -
N/A
app pub date -
Sep 6, 2012
filing date -
Sep 6, 2012
priority date (Note) -
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Abstract
A vehicle suspension system can include a steering knuckle assembly with a steer return device, and a biasing device comprising an elastomeric toroid which is deformed by the steer return device. Another suspension system can include a king pin having opposite ends, and a steering knuckle assembly including a steer return device, a steer lock, and a biasing device which is deformed by the steer return device. The steer return device, steer lock and biasing device can be positioned at a same opposite end of the king pin. Another suspension system can include a king pin, and a steering knuckle assembly including a steer return device which encircles the king pin. The steering knuckle assembly can be rotated relative to the king pin, without axial displacement relative to the king pin, by a biasing force which results from deformation of a biasing device by the steer return device.
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