| 摘要 |
A frame structure for a seat back to be provided in the seat back having a seatbelt retractor and a seatbelt guide at a frame top, wherein the frame structure includes an oblique frame and a vertical frame, the oblique frame obliquely extending upward to a seatbelt guide installation section from a first support point located at an end side of a lower part of the seat back in a seat width direction, the vertical frame extending upward from a second support point located at another end side of the lower part of the seat back in the seat width direction and connecting to the oblique frame at a top. |
