Flush type sprinkler head

Details Flush type sprinkler head Flush type sprinkler head

1985-06-05

1987-04-28

Peters, Jr., Joseph F.

Fire extinguishers

Sprinkler heads

Collapsible strut

169 37, 169 41, 169 42, A62C 3708

Patent

active

046606483

ABSTRACT:
There is provided a flush type sprinkler head to be installed in the ceiling of a building, the sprinkler protruding out of the ceiling by a small distance. The sprinkler head comprises a main body defining a nozzle having a valve seat at the lower end, a cylindrical frame having a radially inwardly extending flange at the lower end, a valve member normally abutting against the valve seat to close the nozzle, a slidable deflector assembly fitting on the valve member and including a guide ring having slide bars extending downwardly from the guide ring and a deflector slidable along the slide bars, a coil spring interposed between the main body and guide ring and a break-up closure assembly adapted to break into pieces at rise in the temperature at the installation area of the sprinkler head and including a thermally responsive element.

REFERENCES:
patent: 3459266 (1969-08-01), Ault
patent: 3714989 (1973-02-01), Gloeckler
patent: 4014388 (1977-03-01), Anderson
patent: 4015665 (1977-04-01), Simons et al.
patent: 4139062 (1979-02-01), Rago

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