Fastener apparatus with self-leveling head
US7850410B1 · kind B1 · utility
25Cited by
16References
2Claims
0Family size
Inventor
Key dates
| Filing date | Apr 4, 2007 |
| Grant date | Dec 14, 2010 |
| Priority date | — |
| Expiry date | Sep 16, 2028 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF16B43/001
- WIPO fieldMechanical elements
- WIPO sectorMechanical engineering
Abstract
Fastener apparatus including a self-adjusting and automatically self-leveling head separate from a threaded shank portion. An embodiment of the apparatus provides a self-leveling head portion defining an annular conical recess and lip portion sized to receive a seal. A threaded shank resides within an annular cup center of the self-leveling head and has a thread-free portion seated by the compressed seal creating a water tight seal.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.