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 A conventional structure of a five-folded umbrella frame, as shown in
 Accordingly, the primary object of the invention is to provide an improved connecting structure of a five-folded umbrella wherein the extended rib is hooked with the frame that facilitates the manufacturing and the assembly of an umbrella and provides a better flexibility for the umbrella being used in practice. Now the features and advantages of the present invention will be described in detail with reference to the accompanying drawings.
 Referring to
 Under the above improved structure, the umbrella according to the present invention can be manufactured and assembled in ease while the extended rib can be hooked conveniently after the main rib being connected in adventure. Moreover, since the extended ribs are not connected with the frame pivotally, the connection will be more flexible between the extended ribs and the frame. It provides an automatic adjustment when the umbrella is opened or closed, if there is an error in assembling or positioning of the extended ribs. So the umbrella can be used smoothly without the trouble of a prior one.
 Evidently the invention has the essence of a patent. We hereby apply for a patent grant.