Patent ID: 7549433
Filing Date: 2009-06-23
Classification: A63B,A63H,E04H

Abstract:
1. A collapsible structure, comprising: a set of at least three lower panels, each lower panel having a foldable frame member having a folded and an unfolded orientation, with a fabric material covering portions of the frame member to form the lower panel, each lower panel further including a top side, a bottom side, a left side and a right side, with the left side of each lower panel coupled to the right side of an adjacent lower panel to form a ring of lower panels that enclose an interior space; a set of at least three upper panels, each upper panel having a foldable frame member having a folded and an unfolded orientation, with a fabric material covering portions of the frame member of the upper panel to form the respective upper panel, each upper panel further including a bottom side, a left side and a right side, with the left side of each upper panel coupled to the right side of an adjacent upper panel to form a ring of upper panels that enclose an interior space; wherein the bottom side of each upper panel is coupled to the top side of a corresponding lower panel, with the bottom side of each lower panel supported on a surface; and wherein each panel is twisted and folded to form a plurality of concentric rings when in its folded orientation.