Roller hinge constructions
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United States of America Patent
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Aug 26, 2014
Grant Date -
Oct 31, 2013
app pub date -
Apr 19, 2013
filing date -
Apr 24, 2012
priority date (Note) -
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status (Latency 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 one or more hinge units each having a male hinge strap and a female hinge strap. The structural integrity of one or more of the hinge units is supplemented by a reinforcing, slotted tubular member fitted over the roller axle support bushing which extends between and simultaneously engages opposed, spaced hinge strap arms. Two or more such hinge units may be arrayed laterally or side by side co-joined by a single hinge pin. Further, to insure appropriate alignment, a single tubular roller bushing may co-join the male or the female hinge units.
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