BUMPER STRUCTURE

WIPO Patent Application WO/2011/024996

A1

A bumper structure configured in such a manner that, although bumper stays are drawn products, the bumper structure has a desired peak load value and a sufficient amount of collision energy absorption. A bumper structure (B) provided with a pair of left and right bumper stays (1, 1) which are drawn products, and also with a bumper reinforcement member (2) which is supported by the bumper stays (1, 1). Each bumper stay (1) is provided with a bottom section (11) which is affixed to the vehicle body, a flat plate-like upper wall section (12) which protrudes from the bottom section (11) toward the bumper reinforcement member (2), a lower wall section (13), and a pair of left and right side wall sections (14, 15). The upper wall section (12) and the lower wall section (13) parallelly face each other. The opening of each bumper stay (1) is closed by the bumper reinforcement member (2), and the peripheral edge of the opening of the bumper stay (1) is secured to the bumper reinforcement member (2) by means of welding, etc.

SAITO SHIGENORI (JP)
SHIMANO YASUTOSHI (JP)
ARAKAWA MASAO (JP)
LI JI (JP)

PCT/JP2010/064695

March 03, 2011

August 30, 2010

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NIKKEIKIN ALUMINIUM CORE TECHNOLOGY COMPANY LTD (JP)
NIPPON LIGHT METAL CO (JP)
SAITO SHIGENORI (JP)
SHIMANO YASUTOSHI (JP)
ARAKAWA MASAO (JP)
LI JI (JP)

B60R19/24; B60R19/34

WO2009037787A1

2009-03-26

JP2008195224A	2008-08-28
JP2009073368A	2009-04-09
JP2007261427A	2007-10-11

ISONO Michizo (JP)
Michizo Isono (JP)

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