VERSATILE SPROCKET SHEAVE ASSEMBLY
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United States of America Patent
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N/A
Issued Date -
Apr 2, 2009
app pub date -
Sep 27, 2007
filing date -
Sep 27, 2007
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
An elevator system may include a motor having a common shaft which is suitable to engage any one of a plurality of interchangeable drive component assemblies, and a drive component assembly selected from the plurality of different interchangeable drive assemblies and engaged to the common shaft. The plurality of interchangeable drive component assemblies can be a sheave assembly or a sprocket assembly. The motor can be a direct drive motor, e.g., a permanent magnet (PM) brushless motor or a synchronous motor. The plurality of interchangeable drive component assemblies may also include one or more components which are interchangeable between the assemblies, e.g., a manual lowering device (MLD) or a spacer or a hub. The plurality of interchangeable drive component assemblies may each be assembled from a set of pre-configured assembly components configured for use with the common shaft.
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