A portable collapsible shelter comprises a floor, pairs of corner posts, a horizontal brace extending between and pivotally attached to the corner posts of each pair, and built-in seats. The floor, corner posts, braces, and seats are foldable between respective erected and collapsed modes. In the collapsed...http://www.google.co.uk/patents/US5622198?utm_source=gb-gplus-sharePatent US5622198 - Portable collapsible shelter
