Bumper beam
AssigneeNippon Steel & Sumitomo Metal Corporation
InventorsAtsuo KOGA, Yoshiaki NAKAZAWA
Life of this patent
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Abstract
A bumper beam includes a first member, a second member, and an inner plate. The first member includes a top plate section, two vertical wall sections, and two flange sections. The two flange sections connect to the two vertical wall sections, respectively. The second member is plate-shaped, is joined to the two flange sections of the first member, and doses the gap between the two flange sections at least. The inner plate is joined to the two vertical wall sections of the first member and is disposed substantially in parallel with the second member in a space formed by the first member and the second member. Out of the first member and the second member, the second member is disposed facing the outside of a vehicle. Such a bumper beam has high energy absorption efficiency.
Claims10
A bumper beam for a vehicle, comprising:
- a first member including a top plate section, two vertical wall sections connecting to both side sections of the top plate section, respectively, and two flange sections connecting to the two vertical wall sections, respectively;
- a plate-shaped second member which is joined to the two flange sections of the first member and doses a gap between the two flange sections at least;
- and
- an inner plate which is joined to the two vertical wall sections of the first member, and is disposed substantially in parallel with the second member in a space formed by the first member and the second member, wherein
- the second member out of the first member and the second member is disposed facing outside of the vehicle.
Dependencies are inferred from the claim text.