US 7,591,036 B2
Air-inflated mattress
Hua Hsiang Lin, Xiamen (China); Yaw Yuan Hsu, Xiamen (China); and Lan Lee, Xiamen (China)
Assigned to Intex Recreation Corp., Long Beach, Calif. (US)
Filed on Mar. 27, 2008, as Appl. No. 12/56,578.
Application 12/056578 is a division of application No. 11/449287, filed on Jun. 08, 2006, granted, now 7,406,735.
Prior Publication US 2008/0209643 A1, Sep. 04, 2008
Int. Cl. A47C 27/08 (2006.01)
U.S. Cl. 5—712  [5/711; 5/713] 19 Claims
OG exemplary drawing
 
1. A double air-inflated mattress comprising an upper chamber and a lower chamber, said upper chamber comprising a top layer, an outer shroud band, a plurality of anchor separators spaced apart from each other and a bottom layer, said outer shroud band connecting the top and bottom layers to form an inflatable bladder, a middle layer below said top layer partially sealed to the top layer to form a plurality of sealed or half-sealed cavities, in which some or all of said cavities are in fluid communication with the inflatable bladder, said lower chamber comprising a top layer, an outer shroud band, a plurality of anchor separators and a bottom layer, said outer shroud band connecting the top and bottom layers to form an inflatable bladder, in which the upper chamber anchor separators are welded at the top to the middle layer and at the bottom to the bottom layer and the middle layer has a plurality of air vent holes which communicate with the inflatable bladder.