Fluid sprinkling – spraying – and diffusing – Flow line or nozzle attached or carried handgrip or handle – Spray pole type
Patent
1978-02-03
1979-04-24
Saifer, Robert W.
Fluid sprinkling, spraying, and diffusing
Flow line or nozzle attached or carried handgrip or handle
Spray pole type
239 66, 239562, 239565, 239570, 137119, B05B 114, B05B 1204
Patent
active
041507932
ABSTRACT:
Gutter cleaning apparatus is disclosed comprising a housing having a first and second opening therein for delivering fluid under pressure into a rain gutter mounted on a building. The openings are diametrically opposed and the flow of fluid through the openings is controlled by a valve that alternately opens one opening and closes the other. The valve is controlled by increasing and decreasing the fluid pressure in the housing. When fluid pressure is at a pre-determined lower level, the valve is in a neutral position between the two openings. A stream deflector plate extends from the bottom of the valve and depending on which direction the deflector plate is positioned, increasing the pressure in the housing will cause the valve to move into one of the openings. Once the valve is positioned in one of the openings the direction of the stream deflector plate is changed since it is mounted on the valve in a manner so as to engage the housing when the valve is closing one of the openings. When the pressure within the housing is reduced, the valve plate returns to a neutral position and with the stream deflector plate positioned at a different angle, the valve will close the opposite opening when fluid pressure in the housing is again increased.
REFERENCES:
patent: 2893416 (1959-07-01), Hegstad
patent: 2910711 (1959-11-01), Mizelle
patent: 3116750 (1964-01-01), Tidd
patent: 3845777 (1974-11-01), Gilson
patent: 3908910 (1975-09-01), Detwiler
Eichelburg Robert J.
Saifer Robert W.
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