Flexible overhead door assembly
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United States of America Patent
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Nov 22, 2016
Grant Date -
Mar 19, 2015
app pub date -
Sep 11, 2014
filing date -
Sep 15, 2013
priority date (Note) -
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status (Latency Note)
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Abstract
An impact resistant sectional door includes a plurality of interlockingly coupled extruded thermoplastic polymer elongated panels. An elongated panel edge includes a channel and an adjacent edge of an adjacent panel includes a protrusion. The protrusion nests in the channel. Each end cap is rotatingly coupled to an adjacent end cap by a door hinge. The roller is adapted to ride in a door track and to pivot about a rolling plane of the roller. An impact load applied to one or more elongated panels causes one or more of the elongated panels to elastically deform at a spring rate in response to the impact and one or more of the protrusions to slide away from one or more of the channels. The impact resistant sectional door remains substantially undamaged. A method for protecting a sectional door from an impacting force is also described.
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