SPRINKLER HEAD
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United States of America Patent
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N/A
Issued Date -
Oct 18, 2012
app pub date -
Dec 27, 2010
filing date -
Dec 28, 2009
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
A sprinkler head having a strong impact structure (impact resistance structure) is provided. A head body 10 having a water discharging port 12, a valve body 30 to be brought into press contact with a valve seat 17 formed at a lower end of the water discharging port 12, and a valve body supporting mechanism 50 configured to support the valve body 30 are provided. The valve body supporting mechanism 50 includes a cylindrical plunger 52 having a flange portion 52a at a lower portion thereof, a thermosensitive member 55 provided at the flange portion 52a of the plunger 52, and a thermosensitive plate 53 coming into contact with the thermosensitive member 55 and provided so as to be orthogonal to an axial center of the head body 10. The plunger 52 is provided so that a lower end portion thereof projects downward with respect to the thermosensitive plate 53.
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