Fastener with retaining sleeve
US6227783A · kind A · utility
16Cited by
6References
4Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Apr 20, 2000 |
| Grant date | May 8, 2001 |
| Priority date | — |
| Expiry date | Apr 20, 2020 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S411/999
- WIPO fieldMechanical elements
- WIPO sectorMechanical engineering
Abstract
In a fastener comprising a screw with a shaft having a thread portion at one end and a head at the other end and an axially extending sleeve structure provided with an internal thread at its end adjacent the screw head in which the screw is captured wherein the screw shaft has a reduced diameter area between the screw head and the screw thread, which is disposed within the sleeve thread area after the screw has been threaded through the sleeve thread, the adjacent end areas of the sleeve thread and the screw thread are made inoperative by cold deformation so that the screw is captured in the sleeve structure.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.