| 摘要 |
A rear end panel (17) is bent in a front-rear direction by being bent at a plurality of longitudinal edge lines (17b to 17e) extending in an up-down direction, so that the surface stiffness of the rear end panel (17) is increased. The rear end panel (17) includes inclined surfaces (17h) each defined between two lateral edge lines (17f, 17g) extending in a left-right direction, one of said two lateral lines (17b, 17e connecting lower portions of two longitudinal edge lines (17b, 17c), and the inclined surfaces (17h) are inclined from a vertical direction in the front-rear direction. Thus, when bending loads are applied to the rear end panel (17) in response to deflection of left and right rear frames (22), the inclined surfaces (17) can prevent deterioration in the stiffness of the rear end panel (17) attributable to the lower portions of the longitudinal edge lines (17b, 17c) acting as points where bending starts. This makes it possible to improve the stiffness of the rear end panel (17) without using reinforcement members such as patches.
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