Structural part having the ability to dissipate energy
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United States of America Patent
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Jul 21, 2015
Grant Date -
Dec 19, 2013
app pub date -
Dec 16, 2011
filing date -
Dec 24, 2010
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Abstract
A structural part dissipates energy delivered during an impact that compresses the part along an axis Z, including a web having two opposite surfaces. The part includes: a through-window extending between the opposite surfaces of the web, dividing the web into a first portion and a second portion respectively, arranged in series along the Z axis; and an energy-dissipation device, including a cutting element arranged within the window and able to cut at least one of the portions of the web into strips as a result of a compressive force exerted on the part along the Z axis, and an element for clearing away the strips thus formed.
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