| 摘要 |
The invention refers to a bed with a mattress pad supported in a three-dimensionally movable manner and a bedstead with legs, which supports the mattress. The mattress pad is in springy or not springy, but yielding manner attached to the bedstead. Sensors are arranged spaced across the surface of the mattress pad, to detect the local lowering of the mattress pad during loading; and lifting means reacting to the local lowering also arranged spaced across the surface of the mattress pad between the mattress pad and the bedstead, to align the mattress pad in the horizontal disregarding the locally different loading. The sensors and the lifting means are formed as double-acting pressure cylinders, which are connected in cross-wise manner with regard to each other.
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