Shaft member for fluid bearing device and method of producing the same
US8240918B2 · kind B2 · utility
2Cited by
5References
15Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 18, 2007 |
| Grant date | Aug 14, 2012 |
| Priority date | — |
| Expiry date | Feb 20, 2029 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T29/49639
- WIPO fieldMechanical elements
- WIPO sectorMechanical engineering
Abstract
A shaft portion is press-fitted to a flange portion, and a plastic working portion of a first jig is pressed against an upper end surface of the flange portion, whereby the flange portion is partially subjected to plastic deformation toward an inner peripheral side. With this, a caulked portion is formed between the flange portion and the shaft portion. Further, press-fitting and caulking are performed in a state in which both end surfaces of the flange portion are bound by a second jig and a third jig.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.