Torsion bar door check
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United States of America Patent
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Oct 28, 2014
Grant Date -
Mar 7, 2013
app pub date -
Sep 6, 2012
filing date -
Sep 6, 2011
priority date (Note) -
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Abstract
A door check for an automobile has an arm with a cam formed between oppositely directed flanks. A unitary energy storage component cooperates with the arm to provide progressive resistance to opening and closing and a plurality of stable positions. The unitary energy storage component includes a pair of springs, each connected to shoes that bear against the flanks and load the springs in torsion as the shoes moves along the cam. The unitary energy storage component is formed as an integral unit to facilitate handling and assembly.
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