Patent ID: 8235008

Claim:
A collapsible/foldable structure comprising: a roof and a base defining a top and bottom of said structure; a lower side section permanently affixed along each side of said base; a pair of sidewalls, each comprising at least two sections, each section pivotally attached to said roof to facilitate inward collapse of said sidewalls when said sidewalls are pivoted toward said base, said sidewalls each comprising upper and middle sections, wherein said upper and middle sections are pivotally attached to one another and wherein said roof can collapse downwardly toward said base; said sidewalls having an outer and an inner surface thereof, the middle wall section being pivotally attached to the lower side section to permit folding of said middle sidewall inwardly toward said base; said upper wall section being pivotally attached to said middle wall section to permit said middle wall section inner surface to collapse into an overlying and contacting position with the inner surface of said upper wall section and said roof being pivotally connected to said two upper sidewall sections to permit said roof to be collapsed towards said base, wherein said outer surface of said upper section and said outer surface of said middle section never form an acute angle with one another.