Patent attributes
A rib structure of an inverse folding umbrella includes an umbrella pole assembly and a plurality of umbrella rib components; the umbrella pole component including an umbrella pole a first umbrella receptacle and a second umbrella receptacle, the first and second umbrella receptacles; the umbrella rib component including a first bar, a connecting piece, a tail bead, a first pivot connecting base, a movable pivot, connecting base, the movable pivot connecting base between the third bar and the fourth bar, which makes the third bar and the fourth bar connected to each other and drive each other to move, and relieve the wind resistance upon the second bar, such that the second bar will not distort easily and can be kept in good condition after a long time of use, and the strength of the whole umbrella rib structure is greatly enhanced.
