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US 4,951,335 AGranted
Mattress assembly
AssigneeDonan Marketing Corporation
InventorDonald Geoffrey Eady
Life of this patent
Estimating the term…
Abstract
A mattress includes a lower portion having an inflatable member and a pile overlay on top of the lower portion. There is a zip fastener or the like for releasably securing the overlay to the lower portion. There may be padding between the top of the inflatable member and pile overlay. The padding may include a layer of woolen knops. The inflatable member may include an air-impermeable shell, a self-expanding open cell foam core within the shell and a threaded connector or the like for admitting air into the member and for expelling air from the member.
Claims7
A mattress, comprising:
- a lower portion having an inflatable member wherein said lower portion includes a shell having a top, a bottom and sides extending upwardly from the bottom, the inflatable member being within the shell;
- a pile overlay on top of said lower portion;
- padding between the top of a substantial portion of the inflatable member and the pile overlay, said padding comprising a layer of silicone coated woolen knops contained within a flat, baglike enclosure;
- means for releasably securing the overlay to the lower portion;
- and
- a foam layer extending about sides of the mattress inside the shell,
- wherein said mattress is capable of being compressed and rolled up when said inflatable member is deflated.
4 more elements
Dependencies are inferred from the claim text.