| 摘要 |
PROBLEM TO BE SOLVED: To improve comfort of a seat and form a storage part of a buckle member highly efficiently.SOLUTION: A storage part 40A is formed on a notch or a pore provided at a side end part of a cushion member. A plate-shaped reinforcement member 48 which has higher strength than that of the cushion member covers the storage member 40A from a side of a seat, and is fixed to a frame member directly or indirectly. |
