| 摘要 |
A lubricating structure for a differential assembly is provided to move oil towards a gear shaft through an oil hole using the centrifugal force generated when the differential assembly is rotated. A pinion shaft(300) is fixed to a differential case(200), and a pair of pinion gears(400) are rotatably coupled to the pinion shaft and are positioned opposite to each other. A lubricating hole(600) is machined from an inner-diameter portion to an outer-diameter portion of the pinion gear to lubricate a contact portion(610) between the pinion shaft and the inner-diameter portion of the pinion gear. At least two lubricating holes are formed at a predetermined interval.
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