| 摘要 |
An umbrella for automatically extending an umbrella hood includes a plurality of link sets each formed with a thinning coupler pivotedly connected between several inner links respectively held on the brackets jacketed on a central handle, and several outer links extendibly supporting an umbrella hood, wherein the thinning coupler acts in commensuration with the other links to form a generally linear and stable configuration when extending an umbrella hood, and also to form a compact umbrella with minimized volume as folded.
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