Patent ID: 8220473

Claim:
A foldable umbrella capable of auto-adjustment of the umbrella cloth, comprising: a plurality of foldable ribs; an umbrella pole for connecting one ends of the ribs; an umbrella cloth expanded along a space spanned by the ribs; at least one connection portion located on an inner side of the umbrella cloth and between two adjacent ribs; and wherein each connection portion includes two approximate L-shaped retainers and one connecting unit; and each approximate L-shaped retainer is made of flexible and bendable materials; wherein when the umbrella is folded, by the clamping of the two approximate L-shaped retainers of one connection portion, folding portions of the umbrella cloth will present a predetermined shape with an angle causing the umbrella to have apparent folding edges, the umbrella cloth will present a smooth folded shape so that the umbrella cloth can be folded along the umbrella pole easily and rapidly.