Fluid sprinkling – spraying – and diffusing – Serially operated distribution means
Patent
1979-03-16
1980-04-29
Valenza, Joseph E.
Fluid sprinkling, spraying, and diffusing
Serially operated distribution means
137119, 13762418, 13762414, 239 99, A01G 2502
Patent
active
042002303
ABSTRACT:
A cleaning head system for use on the bottom of swimming pools includes a rotating nozzle opening formed by a curved elastic strip disposed in an annular region formed by substantially coextensive annular grooves, the elastic strip having concentric inner and outer edges, respectively. Water forced at high pressure into the annular region past the inner edges forces the elastic strip against the respective outer edges. The distance between the first and second ends of the elastic strip forms the nozzle opening through which a high velocity stream of water is forced. A plurality of stops are disposed in spaced relationship along the inner edges. The first end of the elastic strip has a tab for engaging the stops when water pressure is released, as the curvature of the elastic strip causes it to relax, forcing the first end inwardly against the inner edges. The continued action of the relaxing of the elastic strip and the engaging of the first end cause the second end to advance. When the water is repressurized, the second end engages the outer edges of the annular grooves, causing the first end to also advance with respect to the outer edges.
REFERENCES:
patent: 3408006 (1968-10-01), Stanwood
patent: 3480034 (1969-11-01), Jerome
patent: 4086933 (1978-05-01), Pansini
Church Gene A.
Valenza Joseph E.
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