Crash box collision damper for motor vehicle
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United States of America Patent
Stats
-
Jan 6, 2004
Grant Date -
Oct 31, 2002
app pub date -
Mar 28, 2002
filing date -
Mar 28, 2001
priority date (Note) -
Expired
status (Latency Note)
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Abstract
An automotive crashbox damper member (26) has a sequenced pre-collapse surface (34) providing sequential energy absorbing compression such that at application of longitudinal (28) force, longitudinal compression initially occurs at the pre-collapse surface (34), prior to compression of the remainder (36) of the crashbox damper member (26). In one embodiment, the pre-collapse surface (34) is a mounting surface (7) beveled (40) in roof-like fashion to a frontmost leading edge (38) over the end (32) of the crashbox damper member (26). In another embodiment, the pre-collapse surface (34) is a mounting surface (7) formed as an arched cap (11) in the form of a spherical segment over the end (32) of the crashbox damper member (26).
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