Patent ID: 8220477

Claim:
A collapsible canopy frame comprising: a plurality of side poles; a plurality of edge scissor assemblies coupling adjacent side poles of the plurality of side poles to one another; a center pole for supporting a covering; a plurality of center pole ribs each coupling an upper end of the center pole and a respective side pole of the plurality of side poles and extending linearly between the upper end of the center pole and the respective side pole when the frame is in an opened state; a plurality of support members coupling center pole ribs of the plurality of center pole ribs to the respective side poles, the support members being coupled to the center pole ribs through respective joints that are movable along the center pole ribs; and a plurality of center scissor assemblies coupling the plurality of edge scissor assemblies to the center pole, each of the center scissor assemblies comprising a pair of scissor members that each extends from the center pole to an edge scissor assembly of the plurality of edge scissor assemblies.