| 摘要 |
The present invention is a rain water downspout for shooting water away from a building. It includes a vertical downspout column for receiving and holding rainwater. The downspout column has an outlet at its lower end. A buoyant column inside the downspout column rests on the bottom of the downspout column and blocks the downspout column outlet until the downspout column fills with enough water to cause the buoyant column to float. A nozzle is attached to the downspout outlet. The nozzle can be oriented to shoot a stream of water away from the building. When the buoyant column inside the downspout rises, water flows out of the downspout column under pressure and shoots out from the nozzle away from the building.
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