| 摘要 |
An airbed ( 20 ) that is variable in size. The airbed includes a principal bladder ( 22 ) and one or more extension bladders ( 24, 26 ). The principal bladder ( 22 ) may be inflated and used as an airbed. The extension bladders ( 24, 26 ) may remain deflated, or one or more of the additional bladders may be inflated to increase the total size of the inflated portions of the airbed ( 20 ).
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