Patent ID: 7163242

Claim:
A bumper system for an automobile vehicle, said bumper system comprising: a beam configured to attach to the vehicle; and an energy absorber coupled to said beam, said energy absorber comprising: a body having a first side and an opposing second side, said second side facing said beam, an upper crushable member extending from said first side of said body; and a lower crushable member extending from said first side of said body and spaced apart from said upper crushable member; said upper and lower crushable members each comprising an upper transverse wall, a lower transverse wall, and an outer wall, each said upper transverse wall and each said lower transverse wall comprising alternating solid portions and open portions, each solid and open portion extending from said body to said outer wall, wherein said solid portions of said lower transverse wall of said upper crushable member are aligned with said open portions of said upper transverse wall of said lower crushable member, and said solid portions of said upper transverse wall of said lower crushable member are aligned with said open portions of said lower transverse wall of said upper crushable member.