Fail safe lawn sprinkler device

Details Fail safe lawn sprinkler device Fail safe lawn sprinkler device

1992-09-28

1994-12-13

Kashnikow, Andres

Fluid sprinkling, spraying, and diffusing

With fixed support for or ground installed supply means

Embedded or buried sprinkler

239570, 137 681, 2511491, B05B 1506, B05B 130

Patent

active

053723066

ABSTRACT:
A sprinkler head assembly for a lawn sprinkler system includes a valve having a valve actuating member which is engaged by the sprinkler head when the sprinkler head is in place, holding the valve in an open condition, permitting water flow to the sprinkler head. When the sprinkler head is removed the valve is operated to a closed condition, cutting off water flow. The valve member has tabs that, upon operation to the closed condition, retain the valve member in that condition. The valve is made of material allowing the sprinkler head to break away from the valve without damage to either part.

REFERENCES:
patent: 2048388 (1936-07-01), Johnsen
patent: 4018386 (1977-04-01), Barichello
patent: 4314717 (1982-02-01), Bjurman
patent: 4562962 (1986-01-01), Hartman
patent: 4691941 (1987-09-01), Rabushka et al.
patent: 4762140 (1988-08-01), Davis
patent: 4827977 (1989-05-01), Fink, Jr.
patent: 4842198 (1989-06-01), Chang
patent: 4848661 (1989-07-01), Palmer et al.
patent: 4852602 (1989-08-01), McKinnon
patent: 4899792 (1990-02-01), Podgers

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