Reinforcement for vehicle hollow structural member, having decreasing-thickness end portions
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United States of America Patent
Stats
-
Jul 4, 2000
Grant Date -
N/A
app pub date -
Apr 10, 1998
filing date -
Jun 6, 1997
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A vehicle hollow structural member including a hollow body portion, and a reinforcement having a hollow structure fixedly disposed within the body portion in close contact with the inner surface of the hollow body portion. The reinforcement includes a thick-walled portion as a longitudinal central portion thereof, and two decreasing-thickness portions longitudinally opposite end portions. Each decreasing-thickness portion has a wall thickness which continuously decreases in a longitudinal direction from the thick-walled portion toward the longitudinal end of the corresponding end portion of the reinforcement, such that the wall thickness at the longitudinal end is substantially zero.
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