Patent ID: 11938071
Assignee: SLEEP NUMBER CORPORATION
Field: Medical technology (Instruments)
Classification: CPC A | IPC A

Claim 17:
18. The bed system of claim 1, wherein the lower layer comprises foam, the lower layer including (i) an inner foam portion positioned between the first zone and the second zone to space the first zone from the second zone and (ii) an outer foam portion positioned between perimeter of the bed system and the first and second zones, wherein the inner and outer foam portions combine to define the first and second zones to each have a substantially rectangular shape,
wherein the first and second fluid distribution members are more air permeable than the lower layer,
wherein the comfort layer is positioned above the upper layer, and perforated with a plurality of openings that extend through the comfort layer from the comfort layer top to the comfort layer bottom to allow air flow between the comfort layer bottom and the comfort layer top, and
wherein the comfort layer comprises viscoelastic foam, wherein the first and second fluid distribution members comprise open cell foam, and wherein the comfort layer has a greater surface area than a combined surface area of the first and second fluid distribution members when viewed from a direction perpendicular to a top of the bed system.