Conforming body support with air chamber and pump chamber

Details Conforming body support with air chamber and pump chamber Conforming body support with air chamber and pump chamber

1998-08-06

2000-08-08

Melius, Terry Lee

Beds

Mattress

Having confined gas

5714, A47C 2708

Patent

active

060982217

ABSTRACT:
Body support having an air core (2, 3; 52) and a bellows (6, 7; 56), integrated into a side edge portion (4, 5) from a compliant filling material, and having compliant filling material in an inner space. The body support further comprises passages (13, 14, 15; 63, 64, 65) which connect the bellows (6, 7; 56) with the air core (2, 3; 52) and connect the bellows (6, 7; 56) and the air core (2, 3; 52) with the surroundings, and comprising valves (16, 17; 67, 70) for blocking in a condition of rest air flow from the air core (2, 3; 52). Because the inner space of the bellows (6, 7; 56) in the condition of rest is in open communication with the surroundings, the compressibility of the bellows filled with filling material is well adapted to the compressibility of adjacent side edge portions, which are also filled with filling material, and the maximum load of the bellows is limited.

REFERENCES:
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patent: 4169295 (1979-10-01), Darling
patent: 4306322 (1981-12-01), Young et al.
patent: 5033133 (1991-07-01), Nissen
patent: 5367726 (1994-11-01), Chaffee
patent: 5416935 (1995-05-01), Nieh
patent: 5467489 (1995-11-01), Cchen
patent: 5469592 (1995-11-01), Johnson
patent: 5586347 (1996-12-01), Frischknecht
patent: 5746873 (1998-05-01), Graf
patent: 5815865 (1998-10-01), Washburn et al.

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