Beds – Bedsteads – Element or detail
Patent
1976-12-10
1978-03-21
Nunberg, Casmir A.
Beds
Bedsteads
Element or detail
5371, 178376, A47C 2708
Patent
active
040794733
ABSTRACT:
A mattress construction having a liquid containing chamber formed by an upper sheet, a lower sheet and a peripherally extending side wall and which liquid containing chamber may be filled with water or similar liquid. A material filled cylinder, which may constitute an air chamber, is located along the peripheral portion of the liquid containing chamber. When the mattress construction is disposed within a frame, the peripheral material filled cylinder surrounds the peripheral portions of the lower sheet forming the water chamber in registry with the peripherally extending side wall and provides support thereto. Thus, the upper sheet of the mattress construction is substantially supported by liquid within the liquid chamber to support an individual lying thereon. Moreover, rigid peripheral support is provided by the material filled cylinder which surrounds the periphery of the water chamber. The present invention also provides a unique method of making the mattress constructions of the present invention.
REFERENCES:
patent: 3748669 (1973-07-01), Warner
patent: 3810265 (1974-05-01), McGrew
patent: 3840920 (1974-10-01), Voelker
patent: 3918110 (1975-11-01), Cantello et al.
patent: 3925835 (1975-12-01), Pennington et al.
patent: 3983587 (1976-10-01), Gorran
patent: 4006501 (1977-02-01), Phillips
Nunberg Casmir A.
Schaap Robert J.
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