Double end hinge construction for multiple articulating panel sectional doors
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United States of America Patent
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Aug 25, 2015
Grant Date -
Oct 24, 2013
app pub date -
Dec 4, 2012
filing date -
Apr 24, 2012
priority date (Note) -
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Abstract
A roller hinge assembly for connecting articulating door panels and simultaneously supporting a laterally extending panel support roller assembly includes multiple uniformly sized hinges having a male hinge strap and a female strap. Two or more such uniformly sized hinge units are arrayed laterally or side by side co-joined by a single hinge pin. Further, to insure appropriate alignment, a tubular roller bushing co-joins the male or the female hinge straps.
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