Zoned cellular cushion

Details Zoned cellular cushion Zoned cellular cushion

1995-01-19

1996-04-02

Saether, Flemming

Beds

Support for users body or part thereof

Removable support specially adapted for seating

5455, 5464, A61G 900

Patent

active

055028551

ABSTRACT:
An inflatable cushion having a series of separately inflatable zones with tubular conduits leading from each zone beneath or on top of the cushion within the periphery of the cushion to a common manifold spaced outwardly from the front edge of the cushion with a fill tube connected to the manifold and individual cut-off valves or a means to buckle the tubes for each conduit whereby the zones can be filled and bled simultaneously or selectively.

REFERENCES:
patent: 1970803 (1934-08-01), Johnson
patent: 2434641 (1948-01-01), Burns
patent: 2575764 (1951-11-01), Morner
patent: 2731652 (1956-01-01), Bishop
patent: 3192540 (1965-07-01), Swank
patent: 3192541 (1965-07-01), Moore
patent: 3303518 (1967-02-01), Ingram
patent: 3984886 (1976-10-01), Keeton
patent: 4267611 (1981-05-01), Agulnick
patent: 4541136 (1985-09-01), Graebe
patent: 4662012 (1987-05-01), Torbet
patent: 4698864 (1987-10-01), Graebe
patent: 4864671 (1989-09-01), Evans
Roho Inc. brochure; The Challenge: Pelvic and Thigh Positioning, date unknown.
Roho Inc. brochure; The Roho Quadtro Cushion, date unknown.

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