Fluid sprinkling – spraying – and diffusing – Distributor continuously moves relative to support during... – Spray fluid motor drive means
Patent
1998-11-24
2000-04-18
Kashnikow, Andres
Fluid sprinkling, spraying, and diffusing
Distributor continuously moves relative to support during...
Spray fluid motor drive means
239206, 239240, 239DIG1, B05B 304
Patent
active
060505028
ABSTRACT:
A pop-up rotary sprinkler with adjustable arc limits has a memory arc mechanism separate from its arc adjustment and head reversing mechanisms for automatically returning the head to oscillation between its pre-set sector limits should its head be twisted or held against normal rotation by a vandal. The sprinkler may optionally include a throttling valve for substantially reducing the flow of water from the nozzle in the head until the head has rotated back within its pre-set arc limits. The amount of water that would otherwise be sprayed onto walkways and highways, for example, is greatly reduced, thereby eliminating safety hazards.
REFERENCES:
patent: 3107056 (1963-10-01), Hunter
patent: 4568024 (1986-02-01), Hunter
patent: 4624412 (1986-11-01), Hunter
patent: 4625914 (1986-12-01), Sexton et al.
patent: 4718605 (1988-01-01), Hunter
patent: 4901924 (1990-02-01), Kah, Jr.
patent: 4948052 (1990-08-01), Hunter
patent: 5383600 (1995-01-01), Verbera et al.
patent: 5762270 (1998-06-01), Kearby et al.
Douglas Lisa Ann
Hunter Industries, Inc.
Jester Michael H.
Kashnikow Andres
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