| 摘要 |
PURPOSE:To make expansion effect of an air back display effectively and to remove a feeling of physical disorder at the time of taking a seat, by incorporating the air back into a slit which is in parallel with a shape of a support part formed inside the support part of a seat pad. CONSTITUTION:Air backs 13 are incorporated into a lumber support part 11a and a side support part 11b of a seat back 11 of a seat and a side support parts 12a and 12b of a seat cushion 12 respectively. When incorporting the air back 13, for example, in the lumber support part 11a a slit 17 is formed on the lower part of the center of a seat pad 26 by a cut from the under surface side, and the air back 13 is incorporated into the slit 17. Thus, the slit 17 is so constituted that it is located between an obverse side 26a and a reverse side 26b of the seat pad 26, whose surface is in about parallel with a shape of the surface of the lumber support part 11a. |
