Screw for joining thin workpieces
US6164887A · kind A · utility
6Cited by
11References
7Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Nov 1, 1999 |
| Grant date | Dec 26, 2000 |
| Priority date | — |
| Expiry date | Nov 1, 2019 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S411/919
- WIPO fieldMechanical elements
- WIPO sectorMechanical engineering
Abstract
A screw comprises a shank (2) and a head provided with a tool drive (6). The shank is provided with a thread (4), and at its free end has a boring part (5). The head (3), measured in axial direction of the screw (1), has a height (LK), which is smaller than the pitch (S) of the thread (4) formed on the shank (2). An external tool drive (6) is formed on the head (3).
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.