Patent ID: 7581782

Claim:
A vehicle body side structure, comprising: a pillar having a closed cross section formed by jointing a pillar inner panel and a stiffener; a vehicle interior side face of the pillar, wherein the vehicle interior side face of the pillar defines an opening; a seat belt retractor arranged inside the pillar, wherein the seat belt retractor is installed through the opening defined in the vehicle interior side face of the pillar; a boxy member, in which the seat belt retractor is housed, the boxy member arranged in the opening and having a flange portion and a bottom back face; and a structural foaming member for jointing at least one of the flange portion and the bottom back face to an inner surface of the pillar, wherein an entire periphery of the opening is jointed to the flange portion of the boxy member by the structural foaming member and the opening is sealed off from an inner surface of the pillar; wherein the bottom back face of the boxy member is jointed and fixed to the stiffener by the structural foaming member; and wherein the entire periphery of the opening is held by the stiffener through the boxy member.