Patent ID: 7353555

Claim:
An inflatable mattress comprising: top and bottom panels and a peripheral side panel with a bottom edge connected to said bottom panel; a peripheral frame forming an upper tubular periphery of said inflatable mattress, said peripheral frame having an internal wall interconnecting said top panel to said side panel, said internal wall being within an interior volume of said inflatable mattress; said internal wall being connected to said side panel along a first peripheral seam located substantially below a level of said top panel and being connected to said top panel along a second peripheral seam located substantially inwardly from said first peripheral seam; said peripheral frame having an external wall interconnecting said first seam to said second seam, said external wall forming a boundary of said inflatable mattress and having a top portion disposed above a level of said second peripheral seam; and said internal wall of said peripheral frame includes a fluid passage therethrough, said internal wall is in substantial pressure equilibrium within said interior volume, and said internal wall has a substantially linear cross-section between said first and second seams.