Patent ID: 6328050
Filing Date: 2001-12-11
Classification: E04H

Abstract:
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.