Hubs for shade structures
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United States of America Patent
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Oct 15, 2013
Grant Date -
Sep 8, 2011
app pub date -
Mar 7, 2011
filing date -
Sep 5, 2006
priority date (Note) -
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status (Latency Note)
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Abstract
A shade structure is provided, such as an umbrella, particularly a large free-standing umbrella, which can have a variable geometry. In some embodiments, the umbrella can comprise multiple sets of ribs supporting a canopy structure and having a mechanism associated with each set of ribs for influencing the angle or elevation of the rib sets.
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