Automatic sprinkler
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United States of America Patent
Stats
-
Jun 5, 1990
Grant Date -
N/A
app pub date -
Mar 31, 1988
filing date -
Mar 31, 1988
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
An automatic sprinkler having a force transmitting mechanism for releasably maintaining a water outlet closed includes a frangible glass bulb having a very quick response characteristic to thermal input. Substantially less than one-half the force transmitted through the force transmitting mechanism is carried by the glass bulb.
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Family
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Cited Art Landscape
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