Automatic spray nozzle

Details Automatic spray nozzle Automatic spray nozzle

1981-04-09

1983-09-13

Rolla, Joseph J.

Fire extinguishers

Sprinkler heads

Collapsible strut

169 37, A62C 3708

Patent

active

044036612

ABSTRACT:
An automatic spray nozzle for use in a fire extinguishing system includes an apertured body member, a closure cap, a frame supporting a novel deflector, and a cylindrical ferrule positioned below the novel deflector and spaced with respect thereto. A strut holds the closure cap and a lever bearing against the strut is releasably retained by a transversely disposed fusible element engaging spaced apertured arms on the strut. The combination of the cylindrical ferrule and the novel deflector including a conical portion provides a water distribution pattern which is much more uniform than the spray patterns produced by the prior art devices.

REFERENCES:
patent: 1028940 (1912-06-01), Hunter
patent: 2495208 (1950-01-01), Causer
patent: 3561537 (1971-02-01), Dix
patent: 4099675 (1978-07-01), Wohler

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