VEHICLE SEAT

摘要

A vehicle seat includes a back frame including: a back frame body that is formed by bending a pipe into a rectangular form such that both ends of the pipe are located at one of four corner portions of the rectangular form; and a pair of side frames that are joined, respectively, to a first corner portion which is one of the corner portions of the back frame body and at which the both ends of the pipe are located and a second corner portion that is another of the corner portions of the back frame body and is laterally next to the first corner portion. One of the ends of the pipe is butt-welded to one of the side frames.