Patent ID: 7306003
Filing Date: 2007-12-11
Classification: A63B,E04H

Abstract:
1. A collapsible structure, comprising: a first panel having a first foldable frame member having a folded and an unfolded orientation, and a first fabric material covering portions of the first frame member to form the first panel when the first frame member is in the unfolded orientation, the first panel having a first side; a second panel having a second foldable frame member having a folded and an unfolded orientation, and a second fabric material covering portions of the second frame member to form the second panel when the second frame member is in the unfolded orientation, the second panel having a first side; a first material stitched to the first sides of the first and second panels, and connecting the first and second panels in a manner in which the first panel and the second panel are generally parallel to each other; wherein each of the frame members is twisted and folded to form a plurality of concentric rings in the folded orientation; and wherein each of the first and second panels has a second side opposite the first sides, and further including a second material stitched to the second sides of the first and second panels.