Double chambered air mattress

Details Double chambered air mattress Double chambered air mattress

2008-05-27

2008-05-27

Trettel, Michael (Department: 3673)

Beds

Mattress

Having confined gas

C005S711000, C005S714000, C005S715000

Reexamination Certificate

active

07376995

ABSTRACT:
A double chambered transfer mattress is provided capable of partial deflation 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.

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patent: 6701559 (2004-03-01), Boso et al.
patent: 7107641 (2006-09-01), Davis

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