| 摘要 |
PROBLEM TO BE SOLVED: To enhance strength of a structure of an upper frame of a seat back supporting a head rest.SOLUTION: A seat 1 has: a frame main body 10A having a framework (a back frame 10) of a seat back 2 incorporated therein in an inverted U-shape; a holder 15, joined integrally to an upper pipe 12 constituting an upper frame of the frame main body 10A, which supports a head rest 4; and an upper plate 13 bridged integrally across left and right side frames of the frame main body 10A, or across both leg parts of the upper pipe 12. The seat 1 has a structure in which a bracket 16 constituted of members different from the upper pipe and the upper plate is integrally bridged across the upper pipe 12 and the upper plate 13.SELECTED DRAWING: Figure 1 |
