Bearing system for observation wheels
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United States of America Patent
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Aug 25, 2015
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app pub date -
Feb 26, 2014
filing date -
Feb 26, 2013
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Abstract
Systems and related methods related to structures with large-scale rotatable elements. Some of the present systems comprise: a tower; a tower hub coupled to the tower and having a transverse dimension of at least 50 feet; an observation wheel rotatably coupled to the tower and having a central wheel hub; a plurality of roller bearings disposed between the tower hub and the wheel hub to rotatably support the observation wheel relative to the structure, the roller bearings each having a diameter that is less than one quarter of the transverse dimension of the wheel hub.
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