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A self-expanding, foldable, portable structure for temporary shelter. The structure includes two opposing flexible side panels each having a continuous respective border thereabout and a continuous frame member fabricated of a foldable spring material for expanding and maintaining each side panel in

A self-expanding, foldable, portable structure for temporary shelter. The structure includes two opposing flexible side panels each having a continuous respective border thereabout and a continuous frame member fabricated of a foldable spring material for expanding and maintaining each side panel in a generally flat expanded configuration. Two opposing flexible end panels, a flexible roof panel, and preferably a floor panel are disposed between and connected to the side panels. A tension member is positionable between two opposing aligned sites of opposing frame members for maintaining under pressure the frame members in a spaced relationship from each other. A mat member having a frame fabricated of a foldable spring material can be provided for insertion to provide an inside floor surface between the opposing side panels while simultaneously tensionally distancing the side panels from each other to aid in stabilization of side panel positioning. The portable structure thus formed maximizes interior horizontal and vertical space while simultaneously providing collapsible transport coupled with self expandability for one person utility.

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[ What is claimed is:] [1.]1. A self-expanding foldable portable structure comprising:a) two opposing flexible side panels each having a continuous respective border thereabout;b) a continuous frame member disposed at each respective border of each side panel, said frame member fabricated of a sprin

[ What is claimed is:] [1.]1. A self-expanding foldable portable structure comprising:a) two opposing flexible side panels each having a continuous respective border thereabout;b) a continuous frame member disposed at each respective border of each side panel, said frame member fabricated of a spring material foldable to store kinetic energy and kinetically self-expandable when not physically confined for expanding and maintaining each side panel in a generally flat expanded configuration;c) two opposing flexible end panels each disposed between and connected to the side panels;d) a flexible roof panel disposed between and connected to the side panels;e) a flexible floor panel disposed between and connected to the side panels; andf) a mat member insertable within the portable structure immediately above and parallel with the floor panel and between the opposing side panels and of a size for tensionally distancing said side panels from each other, the mat member being defined by a perimeter whose entirety includes a continuous frame member fabricated of a spring material foldable to store kinetic energy and kinetically self-expandable when not physically confined for expanding and maintaining the mat member in a generally flat expanded configuration.