| 摘要 |
PROBLEM TO BE SOLVED: To improve appearance so as to make a clearance in the vehicle width direction noticeable by fastening to a seat back frame a wire spring provided with a U-shaped latching portion to be engaged with an opening flange defining a door opening, and covering the wire spring with a seat back cover. SOLUTION: A wire spring 18 is an elastic wire with a small diameter secured at its base end portion with a wire 13 by welding, the end portion of the wire 13 configuring a frame 14. Also, U-shaped latching portions 19, 19A are formed on the free end side of the wire spring 18 and respectively engaged with an opening flange 9 which defines an opening door 5. A cover 16 of a sheet back 3 is wound around portions 18A, 18B which extend in the longitudinal direction of the wire spring 18, while its end portion is latched to the wire 13A which configures the frame 14. A lower cover portion 16A is hung around the wire spring portion 18A and an upper portion 16B around the portion 18B. This makes the wire spring 18 unseeable from outside.
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