| 摘要 |
PROBLEM TO BE SOLVED: To enable to change the spring characteristics of the seat cushion in a simple structure. SOLUTION: The seat cushion comprises a cushion body (for example, a contour mat 16) which receives a load from the seat face and which is joined with the fixing member (for example, a rod 12) of the seat frame 10 side by a spring member 14. The above spring member 14 is structured to bend against the fixed member by the elasticity of itself according to the change of loads inflicted on the cushion body. The supporting member 36, which is provided capable of receiving the spring member 14 from the lower side between the cushion body and the above fixing member, is supported at the seat frame 10 so as to adjust the receiving position of the spring member 14.
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