Air mattress with single perimeter seam

Details Air mattress with single perimeter seam Air mattress with single perimeter seam

2005-05-31

2005-05-31

Safavi, Michael (Department: 3673)

Beds

With means for relocating an invalid

Rotatable platform type

C005S711000, C005S732000, C005S655300

Reexamination Certificate

active

06898809

ABSTRACT:
A transfer mattress is provided including a top sheet having a width, a length, and longitudinally oriented peripheral edges and a bottom sheet having the same width, the same length, longitudinally oriented peripheral edges and a plurality of perforations. The longitudinally oriented peripheral edges of the top and bottom sheets are sealingly fastened to one another often by heat sealing. A plurality of baffles, each having a width and a length, are attached to an inner surface of the top sheet and an inner surface of the bottom sheet so as to be transversely oriented between the top sheet and the bottom. The baffles along with the widths of the top and bottom sheets define a radially-outwardly curved perimeter wall that is disposed between an edge of the baffles and the sealed peripheral edges of the top and bottom sheets. The radially-outwardly curved perimeter wall has a width y that is determined by the following relationship:d⁢ ⁢π-x2≤ywhere d comprises a height of the longitudinally extensive pontoon and x comprises the width of the baffles.

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