Sprinkler head

Details Sprinkler head Sprinkler head

1980-07-18

1986-02-18

Rolla, Joseph J.

Fire extinguishers

Sprinkler heads

Collapsible strut

169 40, A62C 3708

Patent

active

045707200

ABSTRACT:
A sprinkler head includes a nozzle, a frame and a rigid mechanical fusible link assembly positioned between the frame and a closure plug or cap. An annular, normally concave spring is disposed between the cap and the nozzle. The spring creates a force which throws the link assembly clear of the head upon actuation.

REFERENCES:
patent: 1919235 (1933-07-01), Loepsinger
patent: 2004833 (1935-06-01), Rowley
patent: 2664956 (1954-01-01), Barz
patent: 2697008 (1954-12-01), Rowley
patent: 2724614 (1955-11-01), Rider
patent: 4136740 (1979-01-01), Groos et al.
patent: 4167974 (1979-09-01), Job
"Viking Sprinkler System Guide"; from the Viking Corp.; Sep. 1978, pp. 18-21.

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