Rotating body, power transmission device using same, and rotating body production method
US10844943B2 · kind B2 · utility
0Cited by
2References
8Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Oct 21, 2016 |
| Grant date | Nov 24, 2020 |
| Priority date | — |
| Expiry date | Oct 17, 2037 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T403/7035
- WIPO fieldMechanical elements
- WIPO sectorMechanical engineering
Abstract
A drive shaft (7) as a rotating body includes an engaging portion (7c) engaging with a side gear (14) and a sliding portion (7b) abutted by a differential case (9). The engaging portion (7c) includes a plurality of engaging grooves (15). The engaging grooves (15) engage with the side gear (14). The engaging portion (7c) includes a small diameter portion (15d) at a position corresponding to between the drive shaft (7) and the differential case (9) in a direction of a rotational axis L1. The small diameter portion (15d) has an outer diameter smaller than the outer diameter of the sliding portion (7b).
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.