Quilt beam mattress
AssigneeIntex Recreation Corp.
InventorsYaw-Yuan Hsu, Chin-Hsiang Pan, David R. Fisher
Life of this patent
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Abstract
An inflatable air mattress which includes a top sheet and bottom sheet of flexible air impermeable material. When inflated, the mattress is provided with a series of tube beams running the length of the air mattress. These beams are sealed to the top and bottom sheets of the air mattress by a sinusoidal sealing pattern.
Claims9
An inflatable air mattress comprising a top sheet and bottom sheet of flexible, substantially air impermeable material, said air mattress when inflated having parallel opposing top and bottom edges and parallel opposing side edges substantially perpendicular to said top and bottom edges, a valve configured within either said top sheet or bottom sheet for allowing the selective passage of air to inflate and deflate said air mattress, a series of at least four tube beams each having substantially parallel side walls between said top and bottom sheets and each running substantially parallel to said side edges of said air mattress and wherein each of said tube beams being sealed to said top and bottom sheets by a sinusoidal sealing pattern which is out of phase with a respective sealing pattern formed on a next adjacently positioned tube beam, for providing a box contour of said tube beams when air is inserted into said air mattress.
Dependencies are inferred from the claim text.