Patent ID: 8201290

Claim:
A method of converting from a sofa configuration to a bed configuration, the method comprising: providing a sofa having: a back; a base; a first platform positioned substantially horizontally in the sofa's base; a second platform pivotably coupled to the base and positioned substantially non-horizontally to define a portion of the sofa's back; a third platform having an upper edge, the third platform being pivotably coupled near the third platform's upper edge to the second platform and positioned substantially non-horizontally to define a portion of the sofa's back; and an inflatable mattress that is coupled with only the third platform of the first, second and third platforms, and which is supported by all the platforms after the sofa has been converted to the bed configuration; pivoting the second platform to position the second platform in front of and substantially coplanar with the first platform; pivoting the third platform to position the third platform in front of and substantially coplanar with the second platform.