Adjustable firmness coil spring mattress with inflatable tubes

Details Adjustable firmness coil spring mattress with inflatable tubes Adjustable firmness coil spring mattress with inflatable tubes

1991-07-31

1992-05-19

Grosz, Alexander

Beds

Bedclothing

And means to facilitate changing thereof

5475, 5453, 5455, 297284B, 297DIG3, A47C 2710, A47C 2704

Patent

active

051135396

ABSTRACT:
A body supporting device such as mattresses, box springs, cushions and car seats having an inner coil spring structure are provided with adjustable firmness by means of a plurality of inflatable pneumatic members. The pneumatic members are positioned within the interstices formed between adjacent coil springs in a variety of patterns. The pneumatic members are connected to an inflation control device for adjusting the firmness of the body supporting device in varying modes, including a pulsation mode to provide a messaging affect.

REFERENCES:
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patent: 4449261 (1984-05-01), Magnusson
patent: 4462129 (1984-07-01), Brannock
patent: 4677701 (1987-07-01), Galumbeck
patent: 4827546 (1989-05-01), Cvetkovic

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