Patent ID: 7490877

Claim:
A vehicle bumper structure comprising a bumper reinforcement mounted between extreme ends of left and right body frame members of a vehicle, said bumper reinforcement including: a beam member extending widthwise generally all across a vehicle body, said beam member having a C-shaped cross section; a plate member extending widthwise along said beam member and closing off an open end thereof; a plurality of upper end joints by which upper ends of said beam member and said plate member are joined at plural points arranged widthwise; and a plurality of lower end joints by which lower ends of said beam member and said plate member are joined at plural points arranged widthwise; wherein said plate member has a plurality of openings formed therein at properly determined intervals widthwise across the vehicle body as well as a plurality of bead portions, each of the bead portions passing between two adjacent openings and bridging one of said upper end joints to the corresponding one of said lower end joints.