| 摘要 |
PROBLEM TO BE SOLVED: To provide an effective structure on which skin materials are neatly placed even if a lumbar support body is integrally formed with a supporting part. SOLUTION: A lumbar support body 31 which supports the lumbar area of a seated person is backed up by straddling the back frame 1 through supporting parts 32 which are integrated with the lumbar support body 31, extend from both sides, and connected to the back frame 1. A groove 3x is provided between the lumbar support body 31 and the supporting part 32 so that an opening rim 35b of skin materials 35 covering the lumbar support body 31 can be stored in the groove 3x. COPYRIGHT: (C)2008,JPO&INPIT
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