Sprinkler
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United States of America Patent
Stats
-
Jun 24, 1997
Grant Date -
N/A
app pub date -
Feb 2, 1994
filing date -
Feb 9, 1993
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A pop-up sprinkler including an outer housing defining a water inlet, an inner housing which is raised automatically in response to the supply of water under at least a predetermined pressure, a water driven turbine disposed within the inner housing and driven by water entering the sprinkler via the water inlet, a reducing gear disposed within the inner housing and driven by the water driven turbine and having an output shaft fixed against rotation with respect to the inner housing, whereby operation of the water driven turbine causes the reducing gear to rotate relative to the housing, and a rotatable water outlet fixed to the reducing gear for rotation together therewith relative to the inner housing.
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Cited Art Landscape
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