Pressure flank screw and fastening system therewith
US6974289B2 · kind B2 · utility
10Cited by
17References
18Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 20, 2003 |
| Grant date | Dec 13, 2005 |
| Priority date | — |
| Expiry date | Jun 20, 2023 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF16B39/30
- WIPO fieldMechanical elements
- WIPO sectorMechanical engineering
Abstract
A male threaded fastening member is provided with depressions in at least one or several helix wraps of the thread adjacent the head, the depressions extending inwardly from an edge of the thread at least part way toward a shank of the male fastening member. In a fastening system including the male fastening member, a female member includes projections for engaging the depressions.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.