| 摘要 |
An umbrella 2 includes a cover 21, a shaft 22, with a multi-sectional structure, a notch 23, a runner 24, main ribs 25, stretchers 26, other coordinating multi-sectional ribs, or optionally, in addition, an auxiliary runner 20, a compression spring 33 between the auxiliary runner and a plurality of stretching ribs. A locating tube 27 is disposed below the notch 23 which is pivotally connected to the main ribs 25. The locating tube has an upper end thereof fastened with the notch, and the auxiliary runner and the runner are accommodated around the locating tube, such that the runner is capable of firm up-and-down sliding movements on the locating tube, thereby steadily stretching the umbrella. The multi-sectional shaft has a compression spring 34 located within to facilitate automatic opening of the umbrella. |
