| 摘要 |
The invention consists of an umbrella-like section used in an inverted vertical position as a funnel to receive rain water. The center of this foldable funnel is open and allows the water to flow out. The funnel is positioned over a vertical tubular housing, which has the dual purpose of channeling the water to a cistern, and to serve as the housing for the folded funnel. A mechanism consisting of a system of pulleys, and optionally electric motor, extracts and retracts the funnel as required by either human intervention, or automated logical decisions of a control device, or a combination of both, according to the degree of sophistication desired.
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