Bumper system with pedestrian-friendly lower apron
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United States of America Patent
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Aug 18, 2015
Grant Date -
Oct 16, 2014
app pub date -
Apr 3, 2014
filing date -
Apr 11, 2013
priority date (Note) -
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Abstract
An apron for a vehicle front end comprises a unitary plastic component having a front structure and a rear structure joined by an offset portion. The front and rear structures extend at rearward downward angles and in generally parallel directions, and the offset portion extends at a rearward upward angle. The apron has a relatively constant vertical dimension, such that the angled structures define a wave-shaped envelope. Preferably, a horizontal plane extending from the tip of the front structure stays within the wave-shaped envelope, so that impact forces stay within the boundary in a manner providing improved impact strength and greater energy absorption during an impact. At the same time, the front structure provides a homogeneous structure that distributes local impact stresses uniformly and more widely into the rear structure, thus providing a more uniform impact resistance less sensitive to impact location.
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