| 摘要 |
A bumper reinforcement comprises an outer reinforcement and an inner reinforcement wherein the outer reinforcement of an open section is formed by a front face, an upper face, and a lower face; and the inner reinforcement housed in the outer reinforcement is formed symmetrically from the center in vertical direction by a intermediate portion formed by edge portions of inner skirt plate portions confronting each other, the inner skirt plate portion, a top portion, an outer skirt plate portion, and an outer contact face portion. The outer reinforcement comprises a concave groove portion in the front face, and a pair of ribs in the upper/lower face. Accordingly, the bumper reinforcement of the invention has achieved high rigidity against the impact applied and easy manufacturing with high cost performance and capability of various designing of the vehicles.
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