Irrigation sprinklers

Details Irrigation sprinklers Irrigation sprinklers

1978-10-24

1981-10-20

Cherry, Johnny D.

Fluid sprinkling, spraying, and diffusing

Distributor continuously moves relative to support during...

With impact motive means

239546, 285281, B05B 302

Patent

active

042956102

ABSTRACT:
The specification discloses irrigation sprinklers of the impact type each including a nozzle having a slotted end portion on which is screwed a camming nut which is adjustable to contract the end portion of the nozzle to provide a smaller stream. Locking lips on the end of the nozzle overhang the nut to prevent accidental removal thereof. Bodies of the sprinklers are supported by flanged, barrel-like sleeves of polytetrafluoroethylene act both as a thrust bearing and a spring and as a water seal, the sleeve being composite and having top and bottom frustoconical rings with a tube extending therebetween.

REFERENCES:
patent: 68712 (1867-09-01), Crook
patent: 733618 (1903-07-01), Brachhausen
patent: 851603 (1907-04-01), Long
patent: 2101938 (1937-12-01), Giberson
patent: 2944743 (1960-07-01), Kachergis
patent: 2986410 (1961-05-01), Norland
patent: 3743183 (1973-07-01), Malcolm
patent: 3764073 (1973-10-01), Costa et al.
patent: 3937494 (1976-02-01), Hicks

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