US2007675A - Sprinkler - Google Patents

Description

July 9, 1935. J. ERICKSON ET AL SPRINKLER Filed Dec. 1, 1953 Patented July 9, 1935 l 2. 9615. SPRINKLER Application December 1, 1933.,Serial No. 700,490

1 Claim.

Our invention relates to improvements in lawn sprinklers and the main object is to provide a novel and simple form of sprinkler head readily attachable to a garden hose or automatic sprinkler and which'will throw a square spray or sheet of water covering a square area of ground surrounding the sprinkler.

Another object is to provide a sprinkler which may be readily adjusted to vary the density of the spray and the distance to which it is thrown.

A further object is to provide a spray head including a body portion for receiving the water and which terminates in a depressed bowl shaped water guide at one end in which a spray nozzle is seated having apertures to release the water and on which an adjusting cap is threaded to vary the area of the apertures exposed.

With these and other objects in view the invention resides in the novel construction and arrangement of parts as hereinafter set forth and claimed, reference being had to the accompany ing drawing wherein:

Figure l is a side view of our sprinkler.

Figure 2 is an end view.

Figure 3 is a plan view. V

Figure 4 is an enlarged section along the line 4- 5 in Figure 2.

Figure 5 is a detail cross section along the line 5-5 in Figure 4.

Figure 6 is a detached side elevation of the spray nozzle alone.

Figure 7 is a side elevation of a modified form of sprinkler suitable for attachment to a conventional automatic sprinkler.

Referring now with more particularity to the drawing our invention comprises a body portion or head I having a projecting fiat mounting foot or flange 2 pierced with screw holes 3 by which it may be anchored to any supporting surface. In one end the body I has a tapped socket 4 adapted to receive the end of the hose A which bears against a rubber gasket or washer 5 to provide a water tight joint at this point. The socket 4 communicates at its inner end with a passage or bore 6 of smaller diameter extended into the body i for some distance and then turned upwardly and emerging from the topthereof centrally through a boss i formed on the top and inner end of said body. This boss has a cup or bowl shaped depression 8 concentric with the opening of the bore 6 and the upstanding walls or margins 9 thus formed are rounded off in four equal lips, wings or tongues as indicated at H). The upper mouth of the bore 6 is tapped as at I l for some distance down into the bore to receive a tubular spray nozzle or sleeve l2 complementarily threaded adjacent its lower end at l3. Just above these threads 13 said nozzle has four diametrically opposed and equally spaced spray openings l4 and when the nozzle is screwed down into the bore 6 it may be adjusted so that any desired areaof these openings will be exposed above the depression 8 as will be understood in Figure 4, the openings being finally located in alignment with the centers of the lips I!) as shown. Screw driver kerfs iii are provided in the top of the nozzle to facilitate its adjustment.

The nozzle I2 is also threaded at its upper end at 15 above the openings Hi whereby to receive a spray regulating cap I! tapped within its tubu- 15 lar wall l8 and having a closed end is with screw driver kerf and small vent apertures 2|. The threads l6 are preferably of extended or projecting form and the cap I! is of such length that it may be turned down over the nozzle l2 far enough that the lower margin of its wall 18 will project over and obstruct any desired part of the openings 14 also as shown in Figure 4.

From the foregoing it will be apparent that water entering the bore 6 under pressure will emerge from the nozzle openings M in the form or fourfanshaped sprays deflected upwardly and outwardly by the rounded lips l0 and finally falling to the ground along the four sides of the square defined as with the spray nozzle as its center. By varying the adjustment of the cap I! more or less of the openings l4 may be opened whereby to vary the density of the spray and the area covered thereby as will be understood. A fine vertical spray will also emerge from each of the vents 2! in the cap to cover the groundimmediately around the spray nozzle. The lower margin of the cap I! is preferably beveled off as indicated at 22 so as not to deflect the spray emerging from the openings I4. 40

In Figure 1 a modification of our invention is shown particularly adapted for mounting on existing 1 conventional forms of automatic sprinklers, this modification including a straight tubular body portion la having a socket id to fit on the base (not shown) of the sprinkler and having the assembly of lips Illa, cap Ila, passage 6a and spray nozzle (not shown) at its upper end exactly as hereinbefore fully set forth. The operation and adjustment is of course the same. The body portion has wrench fiats 23 to facilitate its mounting on the sprinkler and the body may vary in length, diameter and size of socket 411. to fit any desired supporting element or sprinkler.

While we have herein set forth a certain preferred manner and manner of assembling the elements of our invention it is understood that we may vary from the same in minor structural details so as best to provide a practical device for the purposes intended, not departing from the spirit of the invention and within the scope of the appended claim.

We claim:

In a device of the kind described, a body portion for positioning upon the ground, the body having an angular water-way therethru with one mouth thereof directed upwardly when the body portion is operatively positioned on the ground, this mouth being surrounded by a. bowl shaped depression the up-standing outer margins thereof being divided into four co-equal arcuate lips, the inner wall of the said mouth being tapped,

a tubular spray nozzle threaded exteriorly at each end and threadedly engaging at one end the said upper mouth of the water way of the body portion, the nozzle being pierced by four spray openings equi-spaced therearound in approximate alignment with the bottom of the bowl shaped depression, and a tubular spray regulating cap closed at its predetermined outer end and interiorly threaded at the opposite end and thereby threadedly mounted over the upper end of the nozzle, the cap being so dimensioned that it may be turned down over the said spray openings of the nozzle for regulating the flow of water therethrough, and means for receiving a tool for adjusting both the said nozzle and the regulating cap.

' JOHN ERICKSON.

OLOF M. LILLIEQUIST.

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