| CPC A47C 27/087 (2013.01) [A47C 27/10 (2013.01)] | 7 Claims |
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1. An inflatable air mattress, comprising a plurality of air cells arranged side by side to form a supporting bed for being lain by a patient; and each of the air cells including:
an envelope internally defining an air chamber that is inflatable to expand, such that the envelope is capable of providing an inflation supporting force when the air cell is in an inflated state; and a plurality of locating zones are defined on the envelope;
an elastomer being located in the air chamber defined by the envelope and being capable of providing a deflation supporting force when the air cell is in a deflated state; and
a plurality of restriction straps respectively including two connection sections vertically spaced from each other and a covering section located between the two connection sections, and a vertical linear distance between the two connection sections being defined as a strap width distance; and the two connection sections on each of the restriction straps being connected to the same locating zone on the envelope, such that a communicating gap is formed between the covering section of the restriction strap and the envelope; and
wherein each of the locating zones has a part being covered by the covering section of the restriction strap, such that the locating zone is divided into a central restricted area and an outer expandable area; and the outer expandable area having deformability different from that of the central restricted area.
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