Patent ID: 6564411
Filing Date: 2003-05-20
Classification: A47C

Abstract:
A nonpowered cushioning device comprisinga) a series of chambers wherein each of said series of chambers are disposed adjacent to each other, said series of chambers comprising: i) a first series of chambers forming a top layer; ii) a second series of chambers forming a bottom layer; b) at least one fluid disposed within said series of chambers; c) at least one fluid intake valve open at one end to ambient air and in fluid communication with said series of chambers for allowing said at least one fluid into said series of chambers; and d) at least one fluid conveyor for conveying said at least one fluid between said series of chambers wherein said at least one fluid conveyor connects to alternating chambers in said series of chambers and said at least one fluid conveyor fluidly connects said first series of chamfers on said top layer with said second series if chambers on said bottom layer.