ROLLING BEARING FOR BLADE ROOT, OSCILLATING SYSTEM, AND ROTATING SYSTEM
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United States of America Patent
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Issued Date -
Apr 13, 2017
app pub date -
Oct 6, 2016
filing date -
Oct 9, 2015
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Abstract
A blade root extends in a longitudinal direction between a proximal end and a distal end. The rolling bearing allows oscillation of the root about an axis extending in the longitudinal direction relative to a housing. The rolling bearing includes a single outer ring, a first inner ring providing a distal seat, a second inner ring fitted onto the seat and held in axial abutment against the first inner ring. The inner surface of the first inner ring includes a shoulder for assembly to a blade root. The outer surface of the single outer ring includes a shoulder for assembly to a housing.
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