| 摘要 |
PROBLEM TO BE SOLVED: To provide a back pad for vehicles for improving posture stability and a riding feeling by strongly supporting a lumbar lower part. SOLUTION: The back pad 3 comprises a main body 4 and an insertion body 5 at the rear area of the lumbar lower part. The hardness of the main body 4 is 3-15 kgf/200ϕ. The hardness of the insertion body is 10-30 kgf/200ϕand is higher than that of the main body by 2 kgf/200ϕor more. COPYRIGHT: (C)2007,JPO&INPIT
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