US Patent 7793997 Bumper beam mounting

A bumper beam (11) is fastened in two crash boxes (12). The top part and bottom part of each crash box form fastening tabs (34,35) against the top and bottom of the bumper beam (11) and each tab is fastened to the bumper beam with more than one bolt (36,37,57 58). A first hole (55) fits a first bolt (57) whereas the other hole/holes (56) permit for the bumper beam to turn a limited amount around said first bolt. Each tab is fastened to the bumper beam with more than one bolt and nut fastener (36,37,57,58). A first hole (55) fits a first bolt (57) whereas the other hole/holes (56) permit for the bumper beam to turn a limited amount around said first bolt. If a crash box is compressed in an off-set crash, the other crash box remains intact.