Abstract: A rear body structure of an automotive vehicle includes a roof side rail disposed at an upper end of the body structure and extends longitudinally in a vehicle body. A belt line reinforcement is located downward of and extending substantially parallel with the roof side rail. A center pillar structure extends in up and down directions and is attached to the roof side rail at an upper end and to the belt line reinforcement intermediate of the upper end and a lower end of the center pillar structure. A rear pillar structure extending in the up and down directions is located rearward of the center pillar structure and attached to the roof side rail at an upper end and to the belt line reinforcement intermediate of the upper end and to a lower end of the rear pillar structure.

Abstract: An automobile seat belt anchor attachment structure for attaching a seat belt anchor to a pillar structure, the attachment structure including inner and outer pillar panels which are welded together to form a closed cross-section. The attachment structure further including a stiffening panel secured to the pillar structure and a nut carrying plate secured to the stiffening panel with an anchor attaching nut provided thereon. The nut plate has high strength against forces both perpendicular and parallel to the base of the nut plate. An impact load applied to the anchor attachment, is prevented from deforming the nut plate.