| 摘要 |
A frame of self-opening umbrella is provided wherein both ribs and spreaders are formed of lightweight fiber reinforced plastic (FRP) tube. Also there is no provision of pin and legs of second pivotal member between each link formed of stainless steel and each spreader. Each link has an upper hook end coupled to the pivotal hole in both the pivotal member and the spreader. Accordingly, the folded umbrella has a reduced space. The umbrella consists of simple constituent components and has an aesthetic appearance.
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