Externally splined fastener
US9447807B2 · kind B2 · utility
1Cited by
15References
21Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Jun 14, 2011 |
| Grant date | Sep 20, 2016 |
| Priority date | — |
| Expiry date | Jan 30, 2033 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T29/53796
- WIPO fieldMechanical elements
- WIPO sectorMechanical engineering
Abstract
A fastener (2) for securing a workpiece comprising a plurality of workpiece members, said fastener comprising a shank (4) and a radially enlarged head (6) wherein the fastener further comprises axial voids (40) and splines (18), such that when the fastener is installed into a workpiece by a mandrel, breakstem or pin, the shank of the fastener is expanded such that the crests of the splines are caused to mechanically engage with the internal walls of the fastener apertures.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.