Patent ID: 8215707
Filing Date: 2012-07-10
Classification: B62D

Abstract:
1. A motor vehicle body comprising: a roof, a side wall, and a multiple wall extrusion comprising an exterior wall that when viewed lengthwise of the extrusion, is concave toward an interior of the motor vehicle body and disposed between the roof and the side wall to form a corner of the motor vehicle body, an interior wall that is concave toward the exterior wall and that cooperates with the exterior wall to enclose a space that contains additional walls of the multiple wall extrusion joining with the interior and exterior walls, wherein the additional walls comprise an intermediate wall that is convex toward the exterior wall and concave toward the interior wall and a bridge wall that is spaced from both the roof and the side wall of the motor vehicle body and bridges the intermediate wall to the exterior wall, and wherein the intermediate wall cooperates with the interior wall to enclose a portion of the space enclosed by the interior and exterior walls, the interior wall comprises a through-opening, and further including a duct that communicates via the through-opening with the portion of the space enclosed by cooperation of the intermediate wall with the interior wall.