Patent ID: 9587730
Date: 2017-03-07
CPC Classifications: F16H

Claim:
1. A differential device comprising: an input member inputted with driving force; a differential gear supported in the input member and being able to rotate relative to the input member and revolve around a rotation center of the input member in accordance with a rotation of the input member; a pair of output gears each including a tooth portion placed in mesh with the differential gear, and a shaft portion located radially inward of the tooth portion; a washer interposed between the input member and a back surface of the tooth portion of each of the output gears; and an oil groove provided in a recess shape in a surface of the input member facing a back surface of each of the output gears, the oil groove extending from a periphery of the shaft portion of the output gear to a back surface of the washer, wherein the oil groove is arranged offset in a peripheral direction of the output gear from a meshing portion between the tooth portion and the differential gear.