Vehicle bumper device
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United States of America Patent
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-
Dec 20, 2005
Grant Date -
Apr 21, 2005
app pub date -
Sep 9, 2004
filing date -
Oct 16, 2003
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A vehicle bumper device is equipped with an energy absorption shaft that is provided at a rear portion of a bumper and protrudes the bumper toward a front of a vehicle; and a protrusion mechanism that is provided at the rear portion of the bumper and protrudes the bumper toward the front of the vehicle, wherein the protrusion mechanism is composed of a ball screw operated by a motor driving force, and the ball screw is arranged in parallel to the energy absorption shaft.
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