Patent · US Active

Concealed sprinkler

US8646539B2 · kind B2 · utility

14Cited by
11References
34Claims
0Family size

Assignee

Inventors

Key dates

Filing dateNov 28, 2007
Grant dateFeb 11, 2014
Priority date
Expiry dateApr 4, 2030

Classification

  • Technology area (CPC B)Performing Operations; Transporting
  • CPC primaryB05B12/08
  • WIPO fieldEnvironmental technology
  • WIPO sectorChemistry

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.