| 摘要 |
<p>The present invention concerns a frame mattress comprising a frame ( 1 ) with a spring inlay ( 3 ) surrounded by the frame, and a material ( 2 ) over the spring inlay, together with a reversible mattress ( 5 ), arranged for abutting the material ( 2 ), and a cover ( 7 ) enveloping the reversible mattress ( 5 ) and at least partly the frame ( 1 ), characterised in that the material ( 2 ) is at least partly detachable and that the spring inlay ( 3 ), constituting a principally form stable unit, is reversibly arranged in the frame ( 1 ).</p> |
