| 摘要 |
PROBLEM TO BE SOLVED: To efficiently lighten a frame member, while securing the rigidity.SOLUTION: A frame member is an elongated flat-plate-like or bar-like resin member formed along a seat contour, and has a first part 21 including a neutral axis X1, second parts 22a and 22b other than the first part 21, and a zonal reinforcing member 30 that includes a plurality of long fibers. The plurality of long fibers are disposed while turning to the longitudinal direction of the reinforcing member, while the reinforcing member 30 is installed along the second parts 22a and 22b. |
