Patent ID: 6981287

Claim:
An inflatable bed unit comprising: an inflatable primary bed including an inflatable main part, an inflatable head part connected to and in fluid communication with said main part, said head part having a bottom end and being pivotable relative to said main part, an inflatable pillow part connected to said bottom end of said head part such that said head part is raised by said pillow part and is pivoted relative to said main part from a horizontal level to an inclined angle relative to said main part when said pillow part expands upon injection of air therein, and a check valve interconnecting said pillow part and said head part and defining a valve opening that is opened to permit air flow from said pillow part to said head part when the pressure in said pillow part is greater than that in said head part, and that is closed to prevent air flow from said head part to said pillow part when the pressure in said head part is greater than that in said pillow part.