SYNCHRONIZED OPERATING MECHANISM FOR ELEVATOR DOORS
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United States of America Patent
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Issued Date -
Nov 24, 2016
app pub date -
May 17, 2016
filing date -
May 20, 2015
priority date (Note) -
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status (Latency Note)
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Abstract
An elevator door assembly includes a plurality of door panel assemblies. Each door panel assembly includes a respective door panel and an associated hanger assembly. The hanger assemblies are configured to provide synchronized opening and closing of the door panel assemblies. The elevator door assembly also includes a detent mechanism coupled to the plurality of door panel assemblies to provide a mechanical back up mechanism that enables the door panel assemblies to be opened and closed in an event of a failure of at least one of the associated hanger assemblies.
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