Differential device
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United States of America Patent
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-
Aug 22, 2017
Issued Date -
N/A
app pub date -
Dec 10, 2015
filing date -
Dec 12, 2014
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
In a differential device, even when tooth portions of side gears are placed farther from output shafts due to increase in diameter of the side gears or even when a pinion rotates at high speed, seizure in meshing portions of the pinion and the side gears and a sliding portion of the pinion is prevented effectively. The side gears each include a shaft portion connected to corresponding one of the output shafts, and a flat intermediate wall portion integrally connecting the shaft portion and the tooth portion of the side gear separated outward from the shaft portion in a radial direction of an input member. A through oil passage is formed in the intermediate wall portion of at least one side gear, both ends of the through oil passage being respectively opened in inner and outer side surfaces of the intermediate wall portion.
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