Fire protection sprinkler
US5152344A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Mar 25, 1991 |
| Grant date | Oct 6, 1992 |
| Priority date | — |
| Expiry date | Mar 25, 2011 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA62C37/08
- WIPO fieldEnvironmental technology
- WIPO sectorChemistry
Abstract
A fire protection sprinkler including a frame having an outlet opening for fire extinguishing fluid and spaced apart frame arms extending from the outlet opening to provide a support at a location spaced from the outlet opening, a sealing member covering the opening, a thermally responsive member connected between the sealing member and the support to seal off the opening during normal temperature conditions and to release the sealing member during abnornally high temperature conditions, an adapter member attached to the frame, one or more pins that are supported by the adapter member, and a deflector that is slidably mounted with respect to the adapter member via the pin or pins. Also disclosed is a clip that retains the deflector in the retracted position in a releasable fashion.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.