| 摘要 |
PROBLEM TO BE SOLVED: To independently open and close front and back doors without mounting a center pillar and to protect an occupant by fixing a reinforcement member formed by hydrofoam molding of high strength steel, to one or both of front and back doors along the vertical direction of a joint surface between the front door and the back door. SOLUTION: A vehicle 1 comprises a front door 2 supported by a front hinge fixed to a front part of a side opening, and a back door 3 openably and closeably supported by a back hinge mounted on a back part of the side opening. A front reinforcement member 10 and a back reinforcement member 11 are included near a joint surface of the front and back doors 2, 3. The front and back reinforcement members 10, 11 are formed by hydrofoam molding of high strength steel, and fixed through fixing brackets along the vertical direction of the joint surface between the front door 2 and the back door 3. Whereby the front and back doors 2, 3 can be opened and closed like biparting doors without mounting a center pillar, and an occupant can be protected at side collision.
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