Composite leaf spring and method of making same
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United States of America Patent
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Sep 19, 2017
Issued Date -
Feb 13, 2014
app pub date -
Dec 6, 2011
filing date -
Dec 6, 2010
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Abstract
A leaf spring manufactured from composite material has a variable cross sectional area. The leaf spring is manufactured by die forming a core of a constant cross section, then winding fibers onto the core to create a spring with a variable cross section and then cutting the spring to size. A ply lay-up station is shown which winds fiber onto a die formed workpiece as it moves through the station.
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