Patent ID: 7527063

Claim:
A rib structure of an umbrella comprising an upper and lower layers of umbrella cover, an umbrella rib having a last folded rib, and a wind resisting rib, the improvement wherein said wind resisting rib has a metal bar bent to form a sleeve ring fitted over said last folded rib, said sleeve having a first end bent upwards and backwards to form a long skeleton and a second end bent downwards and backwards to form a short skeleton, said last folded rib passed through said sleeve ring said long skeleton having an end bent to form a circular ring bearing against an upper side of said last folded rib, said short skeleton having an end bent into a circular ring bearing against a lower side of said last folded rib, said upper layer umbrella cover mounted on the long skeleton and having an outer edge being connected to said circular ring of said long skeleton, and said lower layer umbrella cover mounted on said last folded rib and having a first end connected with a ball tail of said last folded rib by a silk wire and a second end connected with said circular ring of said short skeleton by a silk wire.