| 摘要 |
<P>PROBLEM TO BE SOLVED: To sufficiently secure the cushioning performance of a seat back, and achieves further reduction in weight and cost. <P>SOLUTION: In a vehicle seat 10, a seat back frame 14 of the seat back 12 includes a pair of right and left side frames 26. A seat back board 16 includes a back board portion 36 and a back spring section 38, and is configured to be mounted to the side frames 26 from the front side. The back spring section 38 is disposed so as to be spanned between the pair of right and left side frames 26 and includes a lower back spring body 48 and an upper back spring body 54 that are formed so as to be capable of flexurally deforming in a load application direction when a load toward a seat back rear side is applied. <P>COPYRIGHT: (C)2012,JPO&INPIT |
