| 摘要 |
<p>A seat device for a vehicle comprises a seat for a passenger (3) including seatbacks (6,7) to support a passenger's back portion, reinforcing structure bodies (8,31) provided inside the seatbacks along an outer periphery of the seatbacks, headrests (6a,7a) provided at upper portions of the reinforcing structure bodies to support a passenger's head portion, connection support portions (11,12,33,34) provided beside the reinforcing structure bodies to connect the reinforcing structure bodies to a vehicle-body member, and move-allowance portions (21,28) to allow lower portions of the reinforcing structure bodies to move rearwardly in a vehicle rear collision so that the headrests move forwardly or upwardly. Accordingly, a passenger's head portion can be protected effectively with a simple structure.</p> |
