| 摘要 |
PURPOSE:To reduce a share of load on back door as small as possible so as to prevent the back door from causing deformation or breakage by forming the structure in the headline so as to transmit collision load charged on the upper bumper mounted on the back door to the chassis side. CONSTITUTION:A read bumper 3 is formed in two divided portions, the upper bumper 4 and the lower bumper 5, and the upper bumper 4 is fitted to the lower end part of a back door 2. Meanwhile, both end parts of the upper bumper 4 are extended crosswise in order to oppose, in the opening /closing direction of the back door 2, against body side members placed on the side part of the back door 2. And, projection part 21 is provided on the extended part of the upper bumper 4 so that it may project toward the side of chassis 1 and to be abutted to side members of the chassis 1 in the case of opening /closing state of the back door 2. Therefore, in case of collision, a part of collision load charged on the upper bumper 4 is transmitted to chassis side members through the projection part 21 mounted on both end parts of the upper bumper 4, thus the load charged on the back door 2 through the upper bumper 4 can be reduced by the above part of collision load.
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