Adjustable ventilation mattress

Details Adjustable ventilation mattress Adjustable ventilation mattress

1993-04-23

1994-11-29

Saether, Flemming

Beds

Bedclothing

And means to facilitate changing thereof

5455, 5464, 5615, A47C 2708

Patent

active

053677285

ABSTRACT:
An adjustable ventilation mattress including an inflatable upper filling layer consisted of rows of inflatable plastic tubes arranged in the longitudinal direction, an inflatable lower filling layer consisted of rows of inflatable plastic tubes arranged in the transverse direction below the inflatable upper filling layer, an air permeable covering covered over the inflatable upper and lower filling layers, and a controller controlled to inflate or selectively inflate the inflatable plastic tubes of the inflatable upper filling layer and/or the inflatable lower filling layer according to a predetermined setting for changing the configuration of the mattress.

REFERENCES:
patent: 1772310 (1930-08-01), Hart
patent: 3377103 (1968-04-01), Borton
patent: 3477071 (1969-11-01), Emerson
patent: 3681797 (1972-08-01), Messner
patent: 3736604 (1973-06-01), Carson
patent: 4008098 (1977-02-01), Thomas
patent: 4941221 (1990-07-01), Kanzler
patent: 5121512 (1992-06-01), Kaufmann

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