| 摘要 |
This invention relates to a sofa bed comprising a fixed frame supporting the elements forming a seat and underframe elements accommodated inside said fixed frame, characterised in that it is equipped with substructure elements which can be extracted along a horizontal rectilinear pathway from the said fixed frame 1, which substructure elements support a set of levers to which a first underframe element 14 and a second underframe element 15 are articulated, so that, in the bed position, the underframe elements 14 and 15 are substantially aligned with the abovementioned seat element 3. <IMAGE>
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