Power transfer assemblies for motor vehicle drivelines having integrated two-piece pinion shaft and coupling unit
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United States of America Patent
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Aug 22, 2017
Issued Date -
N/A
app pub date -
Apr 4, 2016
filing date -
Apr 9, 2015
priority date (Note) -
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Abstract
An integrated pinion, bearing and coupling (PBC) assembly for use with a hypoid gearset in power transfer assemblies of motor vehicles. The PBC assembly includes a pinion unit having a pinion gear segment and a pinion stub shaft segment, and a coupler unit having a coupling flange segment and a coupler shaft segment. The pinion stub shaft segment surrounds and is in press fit engagement with the coupler shaft segment. A portion of the coupler shaft segment is deformed to be retained within one of a receiver groove and raised projections formed in the pinion stub shaft segment so as to fixedly secure the coupler unit to the pinion unit.
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