Bumper for pedestrian impact having thermoformed energy absorber
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United States of America Patent
Stats
-
Jan 16, 2007
Grant Date -
Jun 15, 2006
app pub date -
Dec 12, 2005
filing date -
Dec 13, 2004
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A vehicle bumper system includes a beam and a thermoformed energy absorber positioned on a face of the beam. The thermoformed energy absorber has a plurality of elongated crush boxes thermoformed from a base flange. Crush boxes near a center of the beam are up to about three inches deep, and as a result have side walls that are stretched when thermoformed, while crush boxes near ends of the beam are much shorter and hence not as thin. As a result, the center area has a softer impact intended to reduce pedestrian injury during impact.
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