Fluid sprinkling – spraying – and diffusing – With fixed support for or ground installed supply means – Embedded or buried sprinkler
Patent
1985-12-19
1987-07-21
Kashnikow, Andres
Fluid sprinkling, spraying, and diffusing
With fixed support for or ground installed supply means
Embedded or buried sprinkler
239228, 239239, 239263, 2392885, B05B 304
Patent
active
046812598
ABSTRACT:
An improved rotary drive sprinkler is provided for driving a sprinkler spray head in a rotary stepping motion to deliver irrigation water over a prescribed terrain area. The rotary sprinkler comprises a pop-up stem assembly carrying the spray head and movable within a sprinkler housing between a normal retracted position and an elevated spraying position when water under pressure is supplied to the sprinkler housing. During operation, the water flowing through the sprinkler housing powers a piston drive assembly including a spring-loaded drive piston which is alternately subjected to a predetermined pressure differential and normalized pressure to displace the piston in a reciprocating manner. The drive piston is coupled to a motion converter assembly for converting the reciprocal motion of the drive piston to an oscillatory rotary motion which is coupled in turn via a reversible one-way clutch assembly to the pop-up stem assembly. The clutch assembly can be set to rotate the pop-up stem assembly and spray nozzle carried thereby in one direction in a series of small rotational steps through continuous full-circle rotation or, in the alternative, reversible rotation between adjustably set end limits of a selected arcuate path.
REFERENCES:
patent: 2192483 (1940-03-01), Augustine et al.
patent: 2805098 (1957-09-01), Hurley
patent: 3070315 (1962-12-01), Landry
patent: 3702678 (1972-11-01), Hauser
patent: 4432495 (1984-02-01), Bruninga
patent: 4509686 (1985-04-01), Larsen
Gongwer Calvin A.
Han Joseph U.
Kendall Giles A.
Moralez Christopher M.
Troup, deceased Edward M.
Anthony Manufacturing Corp.
Kashnikow Andres
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