DIFFERENTIAL DEVICE

摘要

An input member of a differential device includes a step portion in a side surface on a carrier side of an outer peripheral end portion of the input member, the step portion being recessed in a direction opposite to the carrier, extending to a radially-outer end surface of the outer peripheral end portion of the input member, and being capable of abutting against the carrier. Accordingly, when welding the input member and the carrier supporting a planetary gear, a degree of freedom of processing and welding workability are improved and the differential device is reduced in size. Moreover, grinding and finishing of a welding bead are unnecessary, and therefore manufacturing cost is suppressed.

主权项

1. A differential device comprising:
an input member capable of being joined to a carrier supporting a planetary gear inputted with driving force; a differential gear supported by the input member and being able to rotate with respect to the input member and revolve around a rotation center of the input member; and a pair of output gears each meshing with the differential gear, wherein the input member includes a step portion in a side surface on the carrier side of an outer peripheral end portion of the input member, the step portion being recessed in a direction opposite to the carrier, extending to a radially-outer end surface of the outer peripheral end portion and being capable of abutting against the carrier.