Double chambered air mattress

A - Human Necessities – 61 – G

Patent

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Details

A61G 7/05 (2006.01) A47C 27/10 (2006.01) A61B 6/04 (2006.01)

Patent

CA 2663508

A double chambered transfer mattress is provided capable of partial deflation that that includes a top inflatable mattress and a bottom inflatable mattress that are separated by a common wall from one another. A selectable inlet/outlet valve is arranged for airflow communication between an interior chamber of the bottom inflatable mattress and a source of pressurized air. A one-way valve is positioned through the common wall so as to provide selective air flow communication between the top inflatable mattress and the bottom inflatable mattress so that when the inlet/outlet valve is closed, so that air continues to escape from perforations in the bottom inflatable mattress, the one-way valve is actuated so as to prevent deflation of the top inflatable mattress.

L'invention concerne un matelas de transport à chambre double qui est capable de se dégonfler partiellement et qui comprend un matelas gonflable supérieur et un matelas gonflable inférieur séparés par une paroi commune. Une soupape d'entrée / sortie sélectionnable est ménagée de manière à assurer la communication de flux d'air entre une chambre intérieure du matelas gonflable inférieur et une source d'air comprimé. Une soupape à action simple est placée de manière à traverser la paroi commune et à assurer la communication en air sélective entre le matelas gonflable supérieur et le matelas gonflable inférieur de sorte que, lorsque la soupape d'entrée / sortie est fermée afin que l'air continue à s'échapper à travers des perforations dans le matelas gonflable inférieur, la soupape à action unique soit actionnée pour empêcher le dégonflage du matelas gonflable supérieur.

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