Dynamic protective shield for pop-up sprinklers

Details Dynamic protective shield for pop-up sprinklers Dynamic protective shield for pop-up sprinklers

1987-06-12

1988-11-01

Kashnikow, Andres

Fluid sprinkling, spraying, and diffusing

With fixed support for or ground installed supply means

Embedded or buried sprinkler

239205, 239206, 2392883, 2392885, B05B 1510, B05B 128

Patent

active

047813270

ABSTRACT:
A pop-up guard or shield for use with a pop-up sprinkler mounted in a casing buried in the ground to protect against the entry of dirt, sand, weeds, and the like into the casing during sprinkler operation. The guard includes a spring biased sleeve which pops up together with the sprinkler during sprinkler extension to the operative position, and is retracted into the casing during movement of the sprinkler to the inoperative position.

REFERENCES:
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patent: 3258205 (1966-06-01), Hruby, Jr.
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patent: 3955764 (1976-05-01), Phaup
patent: 4108439 (1978-08-01), McGuire
patent: 4145003 (1979-03-01), Harrison et al.
patent: 4212426 (1980-07-01), Choi
patent: 4316579 (1982-02-01), Ray et al.
patent: 4429832 (1984-02-01), Sheets

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