| 摘要 |
PROBLEM TO BE SOLVED: To provide a vehicle seat which is capable of securing rigidity of a seat back frame, and reducing the weight.SOLUTION: In a rear seat back frame 18 of a vehicle rear seat 10, a frame body 24 of a monocoque structure is formed of a panel frame 26 and a reinforcement frame 28 which are made of thin plates. The frame body 24 includes a first closed-section structure 52A and a second closed-section structure 52B which cross each other. A first reinforcement patch 70 connected to the reinforcement frame 28 is provided in the first closed-section structure 52A, and a second reinforcement patch 72 connected to the panel frame 26 is provided in the second closed-section structure 52B. The first reinforcement patch 70 and the second reinforcement patch 72 are formed of a thick plate, and disposed only to portions to be required to secure the strength and rigidity in the frame body 24. |
