Screw fastening structure and nut member
US6386927B2 · kind B2 · utility
4Cited by
8References
15Claims
0Family size
Assignees
Inventors
Key dates
| Filing date | May 13, 1999 |
| Grant date | May 14, 2002 |
| Priority date | — |
| Expiry date | May 13, 2019 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH01R4/307
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A conductive male thread (22) has a thrust bearing flank (22a) coated with an insulating paint layer (23), and a conductive female thread (12) has a thrust bearing flank (12a) formed with a conductive projection (13) to break through the paint layer (23) and bite in that flank (22a).
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.