Patent ID: 7552739

Claim:
A collapsible structure comprising: (a) a first fabric-covered frame defining a first side panel; (b) a second fabric-covered frame defining a second side panel; (c) a fabric sheet mounted on and extending along said first and second fabric-covered frames; and (d) a plurality of frame supports mounted on said fabric sheet whereby folding of said frame supports drives said first and second side panels towards a collapsed and superimposed position, and unfolding of said frame supports drives said first and second side panels towards a spaced apart and expanded position, and wherein said first and second side panels in said collapsed and superimposed position are foldable into a compact configuration; wherein at least one of said frame supports comprises a first section, and a second section pivotally connected to said first section by a pivoting mechanism, said first and second sections being in the form of a tube or rod; and wherein each of said first and second fabric-covered frames is made of a flexible strip or rod being formed into a loop, the first and second fabric-covered frames being twistable into a figure-8 shape.