Automatic transmission
US8142099B2 · kind B2 · utility
0Cited by
7References
21Claims
0Family size
Assignees
Inventors
Key dates
| Filing date | Dec 23, 2008 |
| Grant date | Mar 27, 2012 |
| Priority date | — |
| Expiry date | Jan 9, 2030 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T403/7026
- WIPO fieldMechanical elements
- WIPO sectorMechanical engineering
Abstract
An automatic transmission that includes an input shaft; an output shaft; and a speed change mechanism portion that shifts a rotation of the input shaft to be transmitted to the output shaft, wherein: the output shaft has a spline formed in a range in which the output shaft fits in a power transmission shaft included in a vehicle, and n-stage (n is an integer of at least 2) chamfering is performed on a larger diameter portion of the spline.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.