Adjustable stopper for a fusible link sprinkler head

Fire extinguishers – Sprinkler heads – Shut off valve

Patent

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Details

A62C 3720

Patent

active

055604307

ABSTRACT:
An adjustable stopper for a fusible link sprinkler head comprised of an elongated upper rectangular plate. The device includes an elongated lower rectangular plate. A rocker assembly is positioned between the upper plate and the lower plate. A hemispherical stopper is secured to a proximal end portion of the upper rectangular plate. The stopper is dimensioned to fit into a sprinkler head orifice. An adjustment assembly extends through the upper plate and the lower plate.

REFERENCES:
patent: 890356 (1908-06-01), Grode
patent: 2234290 (1941-03-01), Tessier
patent: 2417265 (1947-03-01), Nelsen et al.
patent: 2466126 (1949-04-01), Siegel
patent: 2538485 (1951-01-01), Tessier
patent: 2700423 (1955-01-01), Burkert
patent: 2743782 (1956-05-01), Occhipinti
patent: 3191685 (1965-06-01), Warne
patent: 3976141 (1976-08-01), Harrington

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