Self-Actuating Flood Guard
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United States of America Patent
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N/A
Issued Date -
Feb 9, 2012
app pub date -
Aug 5, 2010
filing date -
Aug 5, 2010
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
A self-actuating flood guard for a construction holds a buoyant gate at an elevation spaced from ground between flanking spaced vertical boundary walls adapted for connection to the construction. The gate is pivotable on pivotation members about a horizontal axis normal to the boundary walls for buoyant rotation upwardly between the boundary walls on rise of water above the elevation. Optionally, flexible lip seal gaskets along the sides of the gate sealingly wipe the boundary walls, and a flexible strip gasket across the pivotation members along the base of the gate prevents passage of water between the base of the gate and the construction. A restraint acts on the gate to prevent the gate from rotating about the axis more than a predetermined extent when the gate is pivoted upwardly above said elevation.
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