A - Human Necessities – 47 – C
Patent
A - Human Necessities
47
C
A47C 27/08 (2006.01) A47C 23/00 (2006.01) A47C 27/10 (2006.01) A61G 7/057 (2006.01)
Patent
CA 2403697
A self inflated air cushioned bed includes a base, multiple air units each provided with at least two air cells securely mounted on top of a substrate and at least one unidirectional valve mounted on the substrate to allow air to flow into the at least two air cells, and an expanding device received in each one of the at least two air cells in each of the multiple air units to maintain the at least two air cells in each of the air units to be expanded. When the at least two air cells of each of the air units are expanded due to the expanding device, the at least one unidirectional valve allows air to flow into the at least two air cells of each of the air units so that the air units are maintained inflated.
Bull Housser & Tupper Llp
Tsai Jen-Hsiu
LandOfFree
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