Rotor type sprinkler with insertable drive subassembly...

Fluid sprinkling – spraying – and diffusing – With fixed support for or ground installed supply means – Embedded or buried sprinkler

Reexamination Certificate

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Details

C239S263000, C239S263300, C239S206000

Reexamination Certificate

active

06840460

ABSTRACT:
A sprinkler includes an outer housing having a lower end connectable to a source of pressurized water and a riser that is vertically reciprocable within the outer housing between extended and retracted positions when the source of pressurized water is turned ON and OFF. A nozzle is mounted at an upper end of the riser for rotation about a vertical axis. A Pelton turbine is mounted inside the riser for rotation about a horizontal axis, as distinguished from a vertical axis. A drive mechanism connects the turbine to the nozzle so that when the source of pressurized water is turned ON the resulting rotation of the turbine by the pressurized water will rotate the nozzle. The turbine as well as a gear train reduction and a bevel gear reversing mechanism are assembled inside a self-contained clam-shell drive subassembly before being inserted into the riser.

REFERENCES:
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patent: 4272025 (1981-06-01), Mazzotti
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patent: 5375768 (1994-12-01), Clark
patent: 5676315 (1997-10-01), Han
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patent: 6042021 (2000-03-01), Clark
patent: 6050502 (2000-04-01), Clark
patent: 6241158 (2001-06-01), Clark
patent: 196877 (1923-04-01), None

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