Concealed automatic sprinkler

Details Concealed automatic sprinkler Concealed automatic sprinkler

1990-06-11

1992-03-24

Peters, Jr., Joseph F.

Fire extinguishers

Sprinkler heads

169 41, 169 39, A62C 3708

Patent

active

050979060

ABSTRACT:
A concealed frame-type automatic sprinkler with adjustable cover is provided by a sprinkler with a sprinkler body, an outlet on one side of the sprinkler body, a frame which extends from the body completely around the outlet, a plug retained in the outlet by a heat-sensitive element, and a pair of spring clips retained on the sprinkler by an adjustment screw passed through the frame to preload the heat-responsive element against the plug. The clip members are diametrically opposed and extend radially outwardly on either side of the frame. Each includes a pair of arms with tabs sized and positioned to engage with ribs provided on an inner cylindrical surface to a central cylindrical bracket member provided on an inner side of the cover. A gauge bracket may be mounted on the sprinkler to assure a deflector of the sprinkler is located at a proper height with respect to the ceiling through which the sprinkler extends.

REFERENCES:
patent: 278216 (1883-05-01), Brown
patent: 2389331 (1945-11-01), Tyden
patent: 3389884 (1968-06-01), Ault
patent: 3783947 (1974-01-01), Dix et al.
patent: 4066129 (1978-01-01), Anderson
patent: 4117887 (1978-10-01), Anderson
patent: 4215751 (1980-08-01), Mears
patent: 4596289 (1986-06-01), Johnson
patent: 4609047 (1986-09-01), Pieczykolau
patent: 4706759 (1987-11-01), Grasseschi
patent: 4926946 (1990-05-01), Polan
patent: 4977963 (1990-12-01), Simons
Catalog insert "Viking Technical Data Micromatic.RTM. Model a Concealed Sprinkler"; Sprinkler 23, Sprinkler 24, Form No. 011089, 2 pages, Jul. 31, 1989; The Viking Corporation Fire Extinguishing Systems-Automatic Sprinklers.

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