Inflatable screen with fully internal tension
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United States of America Patent
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Apr 5, 2011
Grant Date -
Jan 14, 2010
app pub date -
Sep 5, 2008
filing date -
Jul 10, 2008
priority date (Note) -
In Force
status (Latency Note)
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Abstract
An inflatable moving screen system includes an inflatable support structure. The inflatable support structure has at least two horizontal tubes and at least two vertical tubes that collectively form a rectangular frame. A skirt is coupled to one of the horizontal tubes and to both vertical tubes. An air inlet is also provided in the support structure, so that as air is received, it can fill the support structure tubes. A projection surface is disposed within the rectangular frame and is permanently coupled directly to one of the horizontal tubes, to both vertical tubes, and to the skirt. An internal tension mechanism is also included. The skirt may be part of the internal tension mechanism, which is configured to create fully internal tension to stretch the projection screen automatically, by inflation of the four inflatable tubes, and without using external or removable tension mechanisms.
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