Patent attributes
A rear subframe structure is provided with a rear subframe configured such that a front cross member, a rear cross member, a pair of left and right upper side members, and a pair of left and right lower side members are connected; and a vehicle-body mounting portion formed. The rear subframe further includes a lower-arm support portion. The front cross member has a closed section, and a front portion of the closed section extends downwardly by forward and downward inclination of a left lateral portion and a right lateral portion of the front cross member. The lower-arm support portion is formed on a lower rear portion of the left lateral portion and the right lateral portion of the front cross member. The upper side member is connected to an upper rear portion of the left lateral portion and the right lateral portion of the front cross member.