| 摘要 |
An umbrella structure includes a cover, a shaft, a notch, a runner, main ribs and stretchers. The notch is extended downward to form a fixing portion. The fixing portion has one end disposed with a protruding loop section, and an appropriate position disposed with a fastening orifice for corresponding with the protruding button. The runner is accommodated at the fixing portion, and is capable of up-and-down sliding movements at the fixing portion. When stretching the umbrella, the protruding button at the fastening device is steadily locked at the fastening orifice at the fixing portion to smoothly stretch the umbrella. When collapsing the umbrella, the shaft is stored in the fixing portion to prevent the shaft from damages and deformations by offering the shaft with appropriate protection. Using the aforesaid structure, a drawback as being incapable of securely stretching the umbrella due to a reduced volume of the umbrella is solved.
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