| 摘要 |
The invention relates to a backseat with a base plate (1) and a corresponding back plate (11) on which one layer (2) ON of foam each or pneumatic cushions covering both plates (1, 11) are arranged. Following pneumatic cushions are placed on said layer (2) and are suitably secured thereto: For every passenger occupying a window seat, one edge cushion (13) each, resting towards outside and towards inside, and one lateral cushion (4, 14) each, resting towards inside, is provided, the latter being impinged upon with tensile forces by tension elements (9, 19) inserted in a tube (8) for the rapid evacuation of air. In the center of the backseat, a planar cushion (5, 15) is located and may also serve as a center shelf. The back plate (11) may be subdivided into two back plates (11a, b) which occupy approximately 1/3 and 2/3 of the width thereof. The pneumatic cushions can be impinged upon with pressure and can be evacuated individually by means of a control. Once the air is evacuated from the cushions, the back plate (11a, b) can be folded onto the base plate (1) entirely or partially.
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