Heat sensitive release devices
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United States of America Patent
Stats
-
Nov 3, 1981
Issued Date -
N/A
app pub date -
Dec 15, 1978
filing date -
Mar 12, 1976
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A heat sensitive release device, for example a sprinkler, comprises two relatively movable components, for example a yoke and valve member. A collapsible strut system is located between the relatively movable components. The collapsible strut system includes a catch element having opposed wings between which is held a heat sensitive element, for example a double ended heat sensitive cartridge. The collapsible strut system also includes a lever fulcrummed on one of the components and a strut engaged between the other component and the lever adjacent the fulcrum. The lever bears against the heat sensitive element while the strut is connected to or integral with the catch element. In addition, an impediment is joined to the strut system and disposed between the lever and the catch element so that removal of the heat sensitive cartridge from the catch element is prevented.
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