DIFFERENTIAL DEVICE AND METHOD OF MANUFACTURING THE DIFFERENTIAL DEVICE

摘要

In a differential device which includes: a cross-shaped shaft body integrally including a first shaft and a second shaft orthogonal to each other, and configured to rotate integrally with an input member around an axis of the second shaft; a pinion pivotally supported on the first shaft; and a pair of side gears meshing with the pinion, the side gears respectively include small-diameter holes supporting the second shaft such that the second shaft passes through the small-diameter holes, and large-diameter holes continuous to outer ends of the small-diameter holes via step surfaces. The large-diameter holes respectively house fixing members connected to both end portions of the second shaft so as to block the side gears from coming off the second shaft, and output shafts are relatively unrotatably fitted in inner peripheral surfaces of the large-diameter holes outside the fixing members in an axial direction.

主权项

1. A differential device comprising:
an input member inputted with rotational force and being formed in an annular shape; a cross-shaped shaft body integrally including
a first shaft having both end portions supported on the input member, anda second shaft orthogonal to the first shaft, the cross-shaped shaft body configured to rotate integrally with the input member around an axis of the second shaft, a pinion rotatably supported on the first shaft; and a pair of side gears meshing with the pinion and respectively connected to a pair of output shafts, the differential device configured to distributively transmit the rotational force which is transmitted from the input member to the cross-shaped shaft body to the pair of output shafts via the pinion and the pair of side gears, wherein the side gears respectively include
small-diameter holes relatively rotatably supporting the second shaft such that the second shaft passes through the small-diameter holes, andlarge-diameter holes continuous to outer ends of the small-diameter holes in an axial direction via step surfaces and opened in outer side surfaces of the side gears, the large-diameter holes respectively house fixing members, the fixing members connecting to both end portions of the second shaft and blocking the side gears from coming off the second shaft, and the output shafts are relatively unrotatably fitted in the large-diameter holes outside the fixing members in an axial direction.