Bead fluidizing type body supporting device

Details Bead fluidizing type body supporting device Bead fluidizing type body supporting device

1984-11-30

1986-07-15

Grosz, Alexander

Beds

Bedclothing

And means to facilitate changing thereof

5423, 5469, A61G 700, A47C 2708

Patent

active

045997551

ABSTRACT:
A bead fluidizing type body supporting device including a vessel enclosing fluidizable beads and an open cell type porous elastic member. Air is injected through the bottom of the vessel to fluidize the beads therein and an air permeable film covers the top of the vessel and is adapted to support a body thereon in a floated state when the beads are in the fluidized condition. The elastic member may be located above, below, or intermediate the beads within the vessel and has cells with diameters larger than the diameters of the beads.

REFERENCES:
patent: 3644950 (1972-02-01), Lindsay
patent: 3760800 (1973-09-01), Staffin et al.
patent: 3840920 (1974-10-01), Voelker
patent: 4245361 (1981-01-01), Evanson
patent: 4483029 (1984-11-01), Paul

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