Adjustable bubbler sprinkler head

Details Adjustable bubbler sprinkler head Adjustable bubbler sprinkler head

1977-08-12

1978-12-26

Saifer, Robert W.

Fluid sprinkling, spraying, and diffusing

Terminal outlet formed between parts mounted for relative...

Axially movable outlet part

239460, 239562, 239DIG1, B05B 114

Patent

active

041312341

ABSTRACT:
A sprinkler head comprising an annular sprinkler body of molded plastic having a tubular member of molded plastic snapped into operative fixed relation within the central portion thereof. A flow adjusting screw is threaded within the tubular member and has its head in adjustable flow restricting relation to inlet passages in the sprinkler body. Water flowing through the controlled inlet passages moves upwardly along the interior of an annular wall in the annular body, outwardly along an end wall of a molded plastic spray adjusting member threadedly mounted on the upper end of the tubular member, downwardly between the exterior of the annular wall and the interior of a peripheral wall of the adjusting member and then radially outwardly between cooperating flow pattern defining surfaces on the spray adjusting member and sprinkler body. The axial position of the spray adjusting member determines the spray pattern which is variable from a thick umbrella sheet pattern to a plurality of annularly spaced radially extending discrete streams.

REFERENCES:
patent: 2130810 (1938-09-01), Munz
patent: 2533969 (1950-12-01), Socall
patent: 2650132 (1953-08-01), Reinecke
patent: 3794249 (1974-02-01), Lockwood

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