Collapsible shade structure

  • US 5,579,799 A
  • Filed: 09/18/1995
  • Issued: 12/03/1996
  • Est. Priority Date: 09/24/1991
  • Status: Expired due to Term
First Claim
Patent Images

1. A collapsible shade structure supported on a surface for defining and enclosing an interior space, the shade structure comprising:

  • at least three foldable frame members each having a folded and an unfolded orientation, each frame member comprising three sides forming a continuous loop in the unfolded orientation;

    a fabric material substantially covering the frame members to form a side panel for each frame member, each side panel assuming the unfolded orientation of its associated frame member;

    each frame member and its associated side panel having a first side connected to an adjacent frame member and its associated side panel by first interconnecting hinge means and a second side connected to another adjacent frame member and its associated side panel by second interconnecting hinge means; and

    the frame members and their associated side panels held together to form an enclosed interior space with a third side of each frame member resting on the surface to support the shade structure;

    wherein the first and second sides of each frame member have an upper end and a lower end, and the third side of each frame member has opposing ends, with the upper ends of the first and second sides coupled to each other, and with each of the lower ends of the first and second sides coupled to one of the opposing ends of the third side.

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