Screw for torque-limited fastening
US6361259B1 · kind B1 · utility
9Cited by
8References
3Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 24, 1999 |
| Grant date | Mar 26, 2002 |
| Priority date | — |
| Expiry date | Mar 24, 2019 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF16B35/065
- WIPO fieldMechanical elements
- WIPO sectorMechanical engineering
Abstract
In a screw for fastening sections to a substructure, a shank (2) is provided with a boring portion (4) and a threaded portion (5) as well as a screw head (3). The portion (6) of the shank (2) adjacent to the screw head (3) flares conically toward the screw head (3). On its underside (7) the screw head (3) is provided with projections and/or depressions. During use for fastening sections to a substructure, the section to be fastened is pressed by the conical portion (6) in screwing direction against the fexed substructure (11).
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.