Suspension subframe assembly
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United States of America Patent
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May 10, 2005
Grant Date -
Jan 15, 2004
app pub date -
Jul 12, 2002
filing date -
Jul 12, 2002
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A lightweight, high strength, one-piece subframe and suspension for a trailer that cuts down on the weight of the trailer without diminishing the strength as compared to conventional trailers, and that is compatible with a conventional air ride suspension system. The invention comprises at least two beams positioned generally parallel to each other; a plurality of ribs attached to the at least two beams and positioned extending transverse between and generally perpendicular to the at least two beams; at least one hanger attached to each beam; and wherein the trailer suspension subframe is made of aluminum.
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