SHADING ASSEMBLY
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United States of America Patent
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Issued Date -
Jul 25, 2013
app pub date -
Jan 10, 2013
filing date -
Jan 19, 2012
priority date (Note) -
Abandoned
status (Latency Note)
Importance
Abstract
A shading assembly includes two parallel longitudinal guide rails that have respective longitudinal channels. A curtain has two lateral guided sides received in the channels. Two spiral spring strips are respectively inserted into the channels. Two connection strings respectively fasten the spiral spring strips to the guided sides. Each of the spiral spring strips has a plurality of spaced-apart connection holes. Each of the connection strings is sewn to a corresponding one of the spiral spring strips and a corresponding one of the guided sides and passes through the connection holes.
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