Differential device
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United States of America Patent
Stats
-
Feb 27, 2018
Issued Date -
N/A
app pub date -
Oct 20, 2015
filing date -
Oct 22, 2014
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A differential device distributively transmitting rotational force of an input member rotatable together with a pinion support portion to paired output shafts includes: paired side gears respectively having an outer peripheral portion including a toothing portion meshing with a pinion and connected to the output shafts; and a cover portion covering an outside of at least one side gear and rotating integrally with the input member, even under severe driving conditions, preventing seizure in the portions and degradation of lubricant oil is suppressed. At least one cover portion includes an oil retaining portion covering a back surface of the one side gear in a first predetermined area including an area overlapping the pinion and a lightening portion exposing the back surface in a second predetermined area without overlapping the pinion, as seen in a side view from axially outside of the output shafts.
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