| 摘要 |
<p>The seat cushion of a seat can be tilted about its longitudinal central axis in order to tilt the pelvis of an occupant of the seat. A controlling element (6) is provided in the left and right areas of said seat cushion for producing the tilting movement. Said controlling elements (6) interact in such a way that they effect an opposite controlling movement in a vertical direction. This causes the pelvis to tilt. The controlling elements can be configured as fluid-filled roll bellows for example, a sliding vane rotary pump altering the volume of the two controlling elements in such a way that are diametrically opposed.</p> |
