Spring beam suspension system
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United States of America Patent
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Nov 30, 2010
Grant Date -
Jun 10, 2010
app pub date -
Dec 9, 2008
filing date -
Dec 9, 2008
priority date (Note) -
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Abstract
A spring beam suspension system includes a hanger; a flexible spring beam extending between the hanger and an axle; and a generally U-shaped pivot bracket secured to the spring beam, the pivot bracket including opposing legs which are pivotably attached to the hanger. Another spring beam suspension system includes a lift actuator which lifts the axle by applying a biasing force to a portion of the spring beam which extends forward from the hanger. Yet another suspension system has a bushing secured in the hanger, whereby the beam pivots relative to the bushing.
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