Device for reducing wave motion in a waterbed mattress

Details Device for reducing wave motion in a waterbed mattress Device for reducing wave motion in a waterbed mattress

1989-05-30

1990-10-09

Grosz, Alexander

Beds

Bedclothing

And means to facilitate changing thereof

5451, A47C 2708

Patent

active

049612379

ABSTRACT:
A device for reducing the wave motion in a waterbed mattress which provides optimum firm and conforming feel to the user, while not promoting fungi or algae growth and being capable of allowing the mattress to be substantially completely drained. The wave motion reducing device comprises at least one compartment including a top wall, a bottom wall, and a marginal perimeter wall interconnecting the top wall and the bottom wall to form an enclosed chamber. The bottom wall and the marginal perimeter wall respectively define at least one opening therethrough, the opening being of a dimension to enable a minimum fluid flow into and out of the chamber and inhibit transient fluid flow into and out of the chamber. A buoyant insert is operatively connected to the top wall to urge the compartment toward the top of such bladder. The buoyant insert includes a member having a plurality of uniformly sized air entrapping cells. The cells serve to constantly urge the compartment toward the top surface of the mattress and do not interact with the water so that fungi and algae growth are prevented.

REFERENCES:
patent: 4577356 (1986-03-01), Johinning et al.
patent: 4607404 (1986-08-01), Fraige
patent: 4751757 (1988-06-01), Moreno
"Delastra", an ad in the Flotation Sleep Industry Magazine (9/82) for the Royale Mattress.

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