Collapsible shade structure

  • US 5,301,705 A
  • Filed: 09/24/1991
  • Issued: 04/12/1994
  • 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 triangular frame members each having a folded and an unfolded orientation, each frame member comprising three sides and three rounded apexes forming a continuous loop in the unfolded orientation;

    the three sides of each frame member comprising a first side, a second side and a third side and the three rounded apexes comprising a first apex, a second apex and a third apex, with the first side extending from the first apex to the second apex, the second side extending from the first apex to the third apex, and the third side extending from the second apex to the third apex;

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

    wherein the first side of each frame member and its associated side panel is connected to an adjacent frame member and its associated side panel by an interconnecting portion of the fabric material forming a first hinge portion, with the first hinge portion extending from the first apex to the second apex, and wherein the second side is connected to another adjacent frame member and its associated side panel by another interconnecting portion of the fabric material forming a second hinge portion, with the second hinge portion extending from the first apex to the third apex;

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

    a roof interconnecting the upper portion of the side panels to enclose the interior space.

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