Concealed sprinkler
USRE49231E1 · kind E1 · reissue
Assignee
Inventors
Key dates
| Filing date | Feb 14, 2020 |
| Grant date | Oct 4, 2022 |
| Priority date | — |
| Expiry date | Feb 14, 2040 |
Classification
- Technology area (CPC —)General
Abstract
A concealed sprinkler including a body having a proximal portion and a distal portion. The distal portion includes an annular wall defining a chamber and an opening in communication with the chamber. A deflector assembly is disposed within the chamber. A trigger assembly having a lever assembly engaged with an inner surface of the annular wall supports the deflector assembly in the first position, the trigger assembly including and a thermally rated plate assembly having a lip portion to substantially circumscribe and substantially cover opening and chamber.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.