| 摘要 |
PURPOSE: To sufficiently lubricate an end face of a pinion gear, gear meshing part and a sliding part. CONSTITUTION: A device comprises a differential gear case 21 driven to be rotated by an engine, wheel side gears 39, 41 rotatably supported inside the differential gear case 21, pinion gears 61, 62 meshed with each other to connect the gears 39, 41, storage holes 57, 59 formed in the differential gear case 21 to slidably rotatably store the gears 61, 63, center hole formed in an end face of the gears 61, 63 and an oil groove 77 formed from this center hole to a tip. |
