Beds – Bedclothing – And means to facilitate changing thereof
Patent
1994-04-15
1996-02-13
Trettel, Michael F.
Beds
Bedclothing
And means to facilitate changing thereof
5457, A47C 2708
Patent
active
054902959
ABSTRACT:
A water mattress includes a closeable vinyl envelope for receiving water, the vinyl envelope having a top, a bottom, and a plurality of sides, the sides being disposed in opposing pairs. A plurality of double-walled members extend from the top to the bottom of the envelope inside the cavity. Each double-walled member has a top connecting web extending across the top thereof and two walls depending from the connecting web, the connecting web being secured to the top of the envelope. Each double-walled member is also secured to the bottom of the envelope and extends longitudinally substantially from one side of the envelope to the opposing side of the envelope. It is preferred that each double walled member wall include an intermediate elastic section so that each of the double walls may stretch to a limited extent when force is applied thereto by water in the mattress. A pneumatic mattress of similar construction is also disclosed.
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