Weight-sensing support assembly for automotive seat cushion frame
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United States of America Patent
Stats
-
May 6, 2003
Grant Date -
Apr 17, 2003
app pub date -
Oct 12, 2001
filing date -
Oct 12, 2001
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A weight-sensing assembly for supporting an automotive seat cushion frame atop a track assembly includes a pair of coupling members that are secured to the seat cushion frame. A set of mounting locations on each coupling member, preferably separated by an elongate portion of the coupling member of generally uniform cross-section, are secured to a respective end of a strain gage sensor's elongate sensing beam. The other end of each sensing beam is secured to a respective mounting location defined on the upper rails of a seat track assembly. The elongate portion of the coupling member, and respective portions of the upper rails separating the mounting locations thereon, are characterized by a flexural stiffness, in a bending plane that includes a longitudinal axis of the sensing beam of at least one sensor assembly, that is at least three times greater than the flexural stiffness of each sensor's sensing beam.
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