Patent ID: 8033595

Claim:
A vehicle reinforcing structure, which reinforces a cab using a reinforcement member, wherein the cab comprises: a roof panel; a side panel outer section comprising a side panel outer top surface, which extends outward along the vehicle width and is joined to an outer edge of the roof panel in the vehicle width direction; a side panel outer upper side, which bends downward from an outer edge of the side panel outer top surface in the vehicle width direction and partitions the top of a door opening; a rear pillar outer side, which extends downward continuing from a back edge of the side panel outer upper side and partitions the rear of the door opening; and a rear pillar outer rear surface, which bends and extends inward from a trailing edge of the rear pillar outer side along the vehicle width; a rear pillar inner section, which is arranged facing the inner side of the rear pillar outer side, forming a closed space with the rear pillar outer side, and fixed to the side panel outer section; and a back panel, which stands along the vehicle width at the rear of the roof panel and the side panel outer section, and is joined to the trailing edge of the roof panel and to the inner edge of the rear pillar outer rear surface, wherein the reinforcement member comprises: a top surface, which is arranged facing the bottom of the side panel outer top surface and fixed to the side panel outer top surface; a back surface, which is arranged facing the front surface of the rear pillar outer rear surface, fixed to at least either the side panel outer section or the rear pillar inner section, and bends and extends downward from the back edge of the top surface; a first side, which is arranged facing the inner surface of the side panel outer upper side, bending and extending downward from the outer edge of the top surface along the vehicle width; and a second side, which is arranged within the closed space, facing the inner surface of the rear pillar outer side, fixed to at least either the side panel outer section or the rear pillar inner section, and bends and extends forward from the outer edge of the rear surface; the top surface, the rear surface, the first side, and the second side are integratedly formed as a single body; the top surface includes a first attaching portion to which an attaching component arranged on top of the roof panel is attachable; and the second side includes a base, which is formed in approximately the same plane as the first side, and a second attaching component, which is in contact with the rear pillar inner section protruding inward from the base in the vehicle width direction, and to which a seatbelt anchor arranged on the inner side of the rear pillar inner section is attachable.