Patent ID: 7610642

Claim:
An air mattress comprising: an inflatable compartment having a length and width, when inflated, sufficient to support a human body; said inflatable compartment having a top, bottom, and non-vertical sides, said top and bottom being generally parallel to one another; said inflatable compartment being composed of at least two horizontal layers of vinyl, one layer of vinyl forming the top of the compartment and the second forming the bottom; at least one internal, generally vertical wall connected to and restraining the relative vertical movement of said top and bottom of said inflatable compartment; and at least one of said sides being generally oriented in the same direction as said internal, generally vertical wall and connected at least at a first location to and horizontally restrained by said internal, generally vertical wall, a portion of said side being pulled inwardly by said connection with said internal, generally vertical wall thereby forming a horizontal indentation in said side between said top and bottom.