Planetary gear box assembly
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United States of America Patent
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Oct 15, 2019
Grant Date -
Apr 12, 2018
app pub date -
Sep 13, 2017
filing date -
Oct 7, 2016
priority date (Note) -
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Abstract
A planetary gear box assembly, comprises a sun gear and a plurality of planet gears in meshing engagement with the sun gear; the planet gears in meshing engagement with a ring gear which encircles the plurality of planet gears, each planet gear mounted for rotation in a planet carrier by means of a bearing pin wherein a bore in the planet carrier for receiving the bearing pin is parallel. The bearing pin includes a small axially tapered section adjacent one or both ends and the assembly further comprises a tapered sleeve configured to interference fit between a radially inner wall surface of the parallel bore and a radially outer surface of the or each axially tapered section.
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