Patent ID: 8789224
Filing Date: 2014-07-29
Classification: A47C,A61G,Y10T

Abstract:
1. A mattress assembly for supporting a body, the mattress assembly comprising: a low air loss mattress including a first low air loss cylinder having a first cylinder wall defining a plurality of holes allowing air to flow from the first low air loss cylinder; and a second low air loss cylinder having a second cylinder wall defining a plurality of holes allowing air to flow from the second low air loss cylinder; a blower connected to the first and second low air loss cylinders; a controller connected to the blower and operable to control air supply to inflate the first and second low air loss cylinders in an alternating manner, wherein in one state, air is supplied to expand the first low air loss cylinder while the second low air loss cylinder deflates, and wherein in another state, air is supplied to expand the second low air loss cylinder while the first low air loss cylinder deflates; a first layer foam atop the first and second low air loss cylinders and through which air escaping from the first and second low air loss cylinders passes toward the body; a second layer of foam within each of the first and second low air loss cylinders; and two foam members in side-by-side relationship within each of the first and second low air loss cylinders.