| 摘要 |
PROBLEM TO BE SOLVED: To provide a power transmission device that can couple a rotation body such as a differential case to a ring gear by a simple configuration.SOLUTION: A final reduction gear device 1 includes: the ring gear 21; the differential case 41 having a flange part 44 whose left side surface 44a comes into contact with a back surface 24 of the ring gear 21; and a pin 30A connecting the ring gear 21 with the flange part 44. The flange part 44 is formed with a through-hole 45 extending in an axial direction, through which the pin 30A is penetrated. A tip side of the pin 30A is jointed to the ring gear 21, while a base end side of the pin 30A is swaged to the flange part 44.SELECTED DRAWING: Figure 2 |
