United States Patent
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[19]
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[11]
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Patent Number:
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4,984,740
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Hodge
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[45]
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Date of Patent:
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Jan. 15,1991
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[54] WATER SPRINKLER WITH VARIABLE Assistant Examiner-Christopher G. Trainor
STREAM-DISTANCE ADJUSTMENT Attorney, Agent. or Firm-Milton S. Gerstein
[76] Inventor: Robert B. Hodge,
430 Driftwood St.,
Morro Bay, CA 93442
[57] ABSTRACT
[21] Appl. No.: 367,872
[22] Filed: Jun. 19, 1989 An improved water-sprinkler having a vertically-pivo-
tal control flap that is adjustably positionable with re-
[51] Int. Cl.5 ................B05B 3/04 spect to the outlet of the nozzle, which controls the
[52] U.S. Cl. .........239/232; 239/236; distances the emerging water-stream will reach. The
239/513; 239/D1G.1 control flap has an inner bracket-end that is pivotally
mounted to a pivot block at the lower end of the bracket
[58] Field of Search ....239/DIG.1, 230, end, the upper part of the bracket-end bsing pivotally
231, 239/232, 236, 233, 511, 513 connected to a distal end of a control arm that is hori-
zontally-adjustable via a series of circulasly-arranged,
[56] References Cited independently and horizontally-movable sliding reeds
U.S. PATENT DOCUMENTS or blocks, the distance of these sliding blocks from their
1,593,918 7/1926 Stanton 239/232 radial center determining the horizontal position of the
3,528,093 9/1970 Eerkens 239/232 other end of the control arm, and, therefore, the end of
3,654,817 4/1972 Kane 239/DIG.1 the control arm connected to the upper end of the flap,
3,960,327 6/1976 Olson 239/236 whereby the spacing of the flap from the nozzle-outlet
4,277,029 7/1981 Rabitsch 239/D1G.1 may be cyclically changed according to a desired pat-
4,497,441 2/1985 Chow 239/230 tern determined by the relative radial positions of the
4,501,391 2/1985 Hunter 239/97 plurality of sliding blocks. Any pattern of sliding-block
4,538,762 9/1985 Lemkin 239/D1G.1 orientations may be achieved so as to conform the wa-
4,540,125 9/1985 Gorney et al.239/232 ter-sprinkling to a desired pattern, so that during any
4,632,312 12/1986 Premo et al. 239/230 sector of rotation, the nozzle-stream will water a rela-
4,637,549 1/1987 Schwartzman 239/230 tively distant portion of the lawn, and for another sector
4,648,558 3/1987 Rabitsch 239/D1G.1 of rotation, water a relatively near portion of the lawn
4,739,934 4/1988 Gewelber 239/446 in order to avoid wetting a patio, or the like.
Primary Examiner-Andres Kashnikow 18 Claims, 2 Drawing Sheets
