Sprinkler head trigger assembly

Details Sprinkler head trigger assembly Sprinkler head trigger assembly

2005-07-19

2005-07-19

Nguyen, Dinh Q. (Department: 3752)

Fluid sprinkling, spraying, and diffusing

Slow diffusers

Gravity flow of liquid from supply holder

C239S038000, C239S039000, C239SDIG001

Reexamination Certificate

active

06918545

ABSTRACT:
A quick response trigger assembly for an automatic sprinkler head comprises an inherently unstable compression element positioned between the frame of the sprinkler body and sealing assembly. A thermal sensor surrounds the periphery of the compression element and includes at least one heat gathering element positioned a preselected distance from the compression element. The thermal sensor maintains the compression element in compression when the sprinkler head is in the non-activated condition. The presence of a heat gathering member spaced a preselected distance from the compression element increases the surface area through which conduction occurs, and thus, enables the trigger assembly to exhibit sufficient thermal sensitivity necessary to classify the sprinkler head as a quick response. Additionally, the thermal sensor is formed of two or more members which are substantially identical in configuration to thereby decrease manufacturing costs.

REFERENCES:
patent: 277478 (1883-05-01), Grinnell
patent: 323578 (1885-08-01), Harkness
patent: 404897 (1889-06-01), Clapp
patent: 425753 (1890-04-01), Clapp
patent: 431971 (1890-07-01), Grinnell
patent: 431972 (1890-07-01), Grinnell
patent: 432404 (1890-07-01), Grinnell
patent: 439864 (1890-11-01), Clapp
patent: 514161 (1894-02-01), Newton
patent: 514162 (1894-02-01), Newton
patent: 617097 (1899-01-01), Higgins
patent: 750768 (1904-01-01), Hibbard
patent: 770753 (1904-09-01), Hunt
patent: 792343 (1905-06-01), Newton
patent: 792343 (1905-06-01), Newton
patent: 813061 (1906-02-01), Smith
patent: 924760 (1909-06-01), Goldthwait
patent: 1051865 (1913-02-01), Daly
patent: 1117411 (1914-11-01), Loepsinger
patent: 1195593 (1916-08-01), Kersteter
patent: 1231439 (1917-06-01), Simonds et al.
patent: 1240292 (1917-09-01), Alexander
patent: 1253019 (1918-01-01), Fee
patent: 1290298 (1919-01-01), Newton
patent: 1345217 (1920-06-01), Newton
patent: 1498139 (1924-06-01), Williams
patent: 1584719 (1926-05-01), Bisson
patent: 1849316 (1932-03-01), Rowley
patent: 3854534 (1974-12-01), Pak
patent: 4343364 (1982-08-01), Glinecke
patent: 5609211 (1997-03-01), Meyer et al.
patent: 5664630 (1997-09-01), Meyer et al.
patent: 5829532 (1998-11-01), Meyer et al.

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