Primary air spring and secondary leaf suspension for vehicle
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United States of America Patent
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Nov 11, 2014
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N/A
app pub date -
Feb 7, 2008
filing date -
Feb 7, 2007
priority date (Note) -
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Abstract
A suspension for a vehicle having a chassis rail and a longitudinal axle arranged substantially orthogonal thereto. The vehicle suspension has a primary air-responsive spring that couples between the chassis and the axle of the vehicle. The primary spring can be a coil spring that surrounds an air helper spring. A secondary leaf spring has a first end for pivotally coupling to the chassis of the vehicle at a secondary pivot coupling, and a second end for coupling to the axle. The longitudinal configuration of the secondary leaf spring can be arranged to be angularly displaced with respect to a chassis rail of the vehicle.
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