A bumper system for vehicles having a bumper beam formed from ultra high strength steel rolled formed into a tubular body having a generally D-shaped cross-section. The D-shaped cross-section has a top and bottom flat surface area and a parabolic center area therebetween.
申请公布号
US5845948(A)
申请公布日期
1998.12.08
申请号
US19970902456
申请日期
1997.07.29
申请人
AMERICAN BUMPER & MFG. CO.
发明人
ANDERSON, JEFFREY A.;SENIOR, ROBERT B.;FILIPEK, GREGORY J.