| 摘要 |
A lumbar support device provided within a seat back of an automotive seat, which comprises a support wire having a lumbar support plate for supporting the lumbar part of an occupant on the seat, the support wire being mounted on the back frame of the seat back with such an arrangement that one end of the support wire is secured by a securing support member oriented in a direction intersecting that of a load applied to the support wire while the other end of the support wire is secured by another securing support member oriented in a direction intersecting that of an up-and-down adjustment of the support wire. |
