US Patent 10899393 Rear body structure

A rear body structure is provided that forms a design face of a rear pillar nicely and gives sufficient rigidity to the rear pillar. The rear body structure has a rear pillar at a rear of a vehicle body. The rear pillar includes an outer rear pillar that is arranged on an outside in a lateral direction to form an exterior face of the rear pillar, and an inner rear pillar that is arranged inside in the lateral direction of the outer rear pillar. The inner rear pillar has a protrusion that protrudes toward the outer rear pillar. The protrusion is formed continuously in a vertical direction of the rear pillar.