Drop nipple tool
US11090796B1 · kind B1 · utility
0Cited by
8References
16Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Sep 17, 2018 |
| Grant date | Aug 17, 2021 |
| Priority date | — |
| Expiry date | Jan 22, 2039 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA62C35/68
- WIPO fieldMachine tools
- WIPO sectorMechanical engineering
Abstract
A drop nipple wrench assembly can tighten and/or loosen a drop nipple of a fire sprinkler system. A drive handle of the wrench assembly can be folded along a guide shaft for storage. The drive handle can be extended generally perpendicular to the guide shaft to provide leverage for loosening and/or tightening the drop nipple.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.