Patent attributes
A rear subframe comprises: a pair of right and left side member segments; and a front cross member segment and a rear cross member segment each coupling the side member segments together. The rear cross member segment has: a central portion; and a front branch portion and a rear branch portion branched forwardly and rearwardly from each of vehicle-widthwise outer ends of the central portion, while extending in the vehicle width direction. Each of the side member segments has a bent portion with its axis extending in a curved manner between a coupling portion between the front branch portion and the side member segments, and a coupling portion between the rear branch portion and the side member segments. The bent portion has a wall thickness set to be less than that of a region of the side member segment located forward of the bent portion.