Pop-up sprinkler unit with floating sleeve

Details Pop-up sprinkler unit with floating sleeve Pop-up sprinkler unit with floating sleeve

1994-04-11

1995-06-13

Merritt, Karen B.

Fluid sprinkling, spraying, and diffusing

With fixed support for or ground installed supply means

Embedded or buried sprinkler

239206, 239123, B05B 1510, B05B 316

Patent

active

054234867

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 reciprocally mounted between the inner and outer housings for extending with the inner housing up through a portion of the soil for deflecting grit from between the sleeve and housing when the inner housing and sleeve is retracted.

REFERENCES:
patent: 1853805 (1932-04-01), Elder
patent: 3035778 (1962-05-01), Kimbro et al.
patent: 3583638 (1971-06-01), Eby et al.
patent: 4113181 (1978-09-01), Sheets
patent: 4429832 (1984-02-01), Sheets
patent: 4763838 (1988-08-01), Holcomb
patent: 4781327 (1988-11-01), Lawson et al.
patent: 4796809 (1989-01-01), Hunter
patent: 4834289 (1989-05-01), Hunter
patent: 5123597 (1992-06-01), Bendall

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