Fluid sprinkling – spraying – and diffusing – With fixed support for or ground installed supply means – Embedded or buried sprinkler
Patent
1987-06-03
1988-03-08
Kashnikow, Andres
Fluid sprinkling, spraying, and diffusing
With fixed support for or ground installed supply means
Embedded or buried sprinkler
239580, 2395812, B05B 1510
Patent
active
047295112
ABSTRACT:
A sprinkler includes a housing with an inlet port through which to supply a flow of liquid to the housing interior and a stem disposed at least partially within the interior of the housing for movement between a retracted position and an extended position. A piston disposed within the interior of the housing responds to the flow of liquid to move the stem from the retracted position to the extended position. The stem defines a passageway extending from a lower portion of the stem to an upper portion of the stem, and the lower portion of the stem defines an opening through which the flow of liquid can pass from the interior of the housing into the passageway. A valve element moveably mounted on the stem at least partially blocks the opening, and a shaft rotatably mounted on the housing extends to a position outside of the interior of the housing. The shaft is coupled to the valve element so that the valve can be rotated by rotation of the shaft for purposes of restricting the flow of liquid through the opening a selected amount.
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patent: 4402438 (1983-09-01), Gregory
Forman Michael J.
Hanson Loyal M.
James Hardie Irrigation, Inc.
Kashnikow Andres
Peterson Gordon L.
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