Pop-up sprinkler unit

Details Pop-up sprinkler unit Pop-up sprinkler unit

1988-03-28

1989-05-30

Kashnikow, Andres

Fluid sprinkling, spraying, and diffusing

With fixed support for or ground installed supply means

Embedded or buried sprinkler

239206, 239123, 239114, 152565, B05B 1510

Patent

active

048342890

ABSTRACT:
A pop-up sprinkler unit for mounting beneath the surface of a soil formation includes an outer cylindrical housing for subsurface mounting with an inner housing carrying a nozzle and drive turbine with a protective sleeve of a grit resistant material reciprocably mounted between the inner and outer housings for extending with the inner housing up through a portion of the soil and includes a grit deflector on the housing surrounding the sleeve for deflecting grit from between the sleeve and housing when the inner housing and sleeve is retracted.

REFERENCES:
patent: 2325280 (1943-07-01), Scherrer
patent: 2884654 (1959-05-01), Fall
patent: 3033467 (1962-05-01), Hofer
patent: 3713584 (1973-01-01), Hunter
patent: 3724757 (1973-04-01), Hunter
patent: 3921910 (1975-11-01), Hayes et al.
patent: 3934820 (1976-01-01), Phaup
patent: 4113181 (1978-09-01), Sheets
patent: 4316579 (1982-02-01), Ray et al.
patent: 4353506 (1982-10-01), Hayes
patent: 4609146 (1986-09-01), Walto
patent: 4625914 (1986-12-01), Sexton et al.
patent: 4699321 (1987-10-01), Bivens et al.

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