Sprinkler system

Details Sprinkler system Sprinkler system

1989-09-05

1991-04-02

Kashnikow, Andres

Fluid sprinkling, spraying, and diffusing

With fixed support for or ground installed supply means

Embedded or buried sprinkler

239DIG1, B05B 1510

Patent

active

050041576

ABSTRACT:
An improved underground sprinkler system having double action pop-up nozzles. The system has a plurality of removable sprinkler nozzle assemblies each having a longitudinally externally slotted generally cylindrical body residing in a cylindrical filter having a keyway for receipt in the slot, an externally and internally slotted cylindrical extendable sprinkler head that receives the nozzle/filter assembly, and an internally keyed cylindrical base mount that receives the nozzle/filter/ head assembly. In the specific arrangement of the invention fluid pressure entering a bottom passage of the base mount pushes the sprinkler head upward against the bias of a spring attached to the base mount and the sprinkler head, and then the nozzle assembly in the sprinkler head upward against the bias of a second spring attached to the nozzle assembly and the sprinkler head. The key and slot arrangement automatically rests the nozzle and filter after cleaining.

REFERENCES:
patent: 1751723 (1930-03-01), Borgeson
patent: 1853805 (1932-04-01), Elder
patent: 3454225 (1969-07-01), Hunter
patent: 3921910 (1975-11-01), Hayes et al.
patent: 4003520 (1977-01-01), Bailey
patent: 4078726 (1978-03-01), Walto
patent: 4796809 (1989-01-01), Hunter

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