| 摘要 |
<p>A differential gear apparatus according to the present invention comprises a first sun gear (3) coupled to a first shaft (1) to be rotated in conjunction with the first shaft (1), a second sun gear (4) coupled to a second shaft (2) to be rotated in conjunction with the second shaft (2), a first planetary gear (5) meshed with the first sun gear (3), a second planetary gear (6) rotated with the first planetary gear (5) and meshed with the second sun gear (4), a carrier (7) supporting the first and second planetary gears (5, 6), and a housing supporting the second shaft (2) upon rotation, wherein the sun gears (3, 4) and the planetary gears (5, 6) have profile shifted teeth of which addendum modifications are different at the positions in a flank width direction and a nut (19) screwed on the mid way of the second shaft (2), and a through hole (9a) disposed at a position facing the nut (19) are provided.</p> |
