| 摘要 |
A foldable umbrella includes a cover support unit having a movable block disposed directly above a top end of a pole, and a plurality of cover support ribs having inner ends connected pivotally to the movable block. A stretcher rib unit interconnects the cover support unit and the pole. The movable block is movable relative to the top end of the pole between an upper limit position, where the umbrella is folded, and a lower limit position, where the umbrella is unfolded. The lower limit position is located under the upper limit position.
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