Importance

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Abstract

A collapsible canopy framework structure of a regular polygon comprises a plurality of supporting members and a center post, which are constituted as a column. A plurality of first frame assemblies comprises at least one frame unit with a pair of frames being pivoted in an X shape at their center to each other, in which the first frame assembly is mounted between the supporting member and the center post. The third frame assembly comprises at least one frame unit to be mounted between the supporting members to secure the gaps between the supporting members and provide a structural reinforcement to the upper portion of an overall structure. At least one flexible string is passed through the cross-points of the frame units of the first frame assembly on which a block nut structure is mounted and then fixed into the block nut structure to form a regular polygon of the supporting members and give a tension to the overall structure. The collapsible canopy framework structure can be set up against the upper and lateral loads, thereby preventing the twist of the collapsible canopy framework structure.

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First Claim