US2636779A - Shower nozzle - Google Patents

Description

Aplfil 28, 1953 w, sE 2,636,779

SHOWER NOZZLE Filed Jan. 24, 1950 ATTORNEY INVENTORK BY @W Patented Apr. 28, 1953 Kenneth W. Senior, Louisville, Ky. M g

Application mm, '24, 1950, Serial No. 140,292 I 2 m (c1. ree -rel) 1 (Granted under Title 35, U. s. Code (1952 I see. 266) The invention described herein, if patented, may be manufactured and used by or forthe Government for governmental purposes without the payment to. meof any royalty thereon.

This invention relates to shower nozzles and the like, and is directed primarily to a simplified and inexpensive construction adapted for use by the armed forcesor othergroups of persons who may? find lit necessary to ;use water containing varying degrees of foreign matter.

Portable showers used by the armed forces are often supplied with water by pumping it from a nearby stream, pasteurizing it, and feeding it to the shower heads. In this process it sometimes happens that grains of sand or other foreign matter are sucked up through the inlet pipe and carried thence to the showers where they seripusly interfere with the flow of water and necessitate frequent dismantling and thorough cleaning of the parts.

It is an object of this invention therefore to provide a spray structure which is so designed that the discharge outlet may be readily cleared 'of foreign matter by the operator by merely tap- {ping the valve member with his finger while the .nozzle remains in use, and without the necessity of dismantling any of the parts. Another object of the invention resides in the construction of a spray nozzle having a minimum number of parts, and which is relatively inexpensive in manufacture.

Other objects and advantages of the invention will be apparent from the following description when taken in connection with the accompanying drawings, in which,

Figure 1 is a fragmentary sectional view of a manifold or the like to which one of the spray nozzles is attached and shown in side elevation;

Figure 2 is an enlarged longitudinal sectional view through the spray nozzle showing in dotted outline the pipe to which the nozzle is attached;

Figure 3 is an enlarged exploded view showing the nozzle casing partly broken away and the spray head, stem and related parts in perspective; and

Figure 4 is an end elevational view of the nozzle looking into the end remote from the spray head.

Referring to the drawing in more detail the numeral l indicates a manifold or the like through which water is carried to an outlet pipe 2, and the numeral 3 indicates the spray nozzle in general. Numeral 4 indicates a cylindrical casing forming the body of the spray nozzle and provided with external screw threads 5 on one "end by means of which it may be detachably connected to the outlet pipe 2, and with a knurled portion 5 at the other end by means of which it may be readily rotated to engage the threads 5 with complementary internal threads within the pipe 2. An internal transverse partition 6 is mounted adjacent one end of the casing as clearly indicated in Figures 2 and 3.

The partition 6 is provided with a central aperture '1' in which is loosely'mounted a spray stem 8 provided with a spray head 9, the latter being of a diameter approximating that of the aperture 1. In order that the stem 8 and the spray head 9 may be maintained centrally of the cylindrical casing 4 the stem is provided with a pair of longitudinally-spaced centering elements l0 and II. In the present form of the invention the members ill-ll are of substantially triangular form and of a size to contact the interior wall of the casing 4 thereby maintaining the shower stem centrally of the casing while permitting the passage of water tothe outlet aperture 1 of the partition 6. In this construction it is essential of course that the centering member Ill be maintained in spaced relation to the outlet 1 so as to avoid closing the same against the passage of water, and to this end the plate I0 is provided with a plurality of longitudinally-extending lugs or stops l2 integrally formed by being bent up from the plate I0 and extending towards the spray head 9. These several elements, namely, the stem 8, head 9, centering plates l0 and Ill, and

stops I2, are all permanently connected and form one of the two elements of the spray nozzle.

In the operation of the device, the spray nozzle is normally inclined downwardly from the horizontal, as indicated in Figure 1, and hence the movable unit 8-9 normally assumes the position shown in Figure 2 whereby an annular space is provided for producing the desired spray. In the event, however, that the movable element 8-9 should inadvertently be positioned inwardly of the position shown in Figure 2 so that the spray head 9 would tend to more or less cut off the flow of water through the opening I, the force of the water contacting the centering elements In and Il would force the spray head to its intended position, as indicated, so that the spray nozzle would be fully opened. In the event that the discharge outlet 1 of the nozzle should become clogged or partly clogged by the accumulation of sand or other foreign matter carried to the nozzle by water pumped from a stream or the like, it will be apparent that the stoppage can be readily eliminated by tapping the spray head 9 with the finger so as to force the stem backwardly in the casing 4 even to the extent of bringing the spray head 9 within the outlet 1 if necessary. This tapping of the spray head may be repeated several times so as to completely dislodge any sand or other material which may tend to accumulate at the point of discharge, it being understood of course that as soon as manual pressure is removed from the head 9 the latter will be immediately forced outwardly to the limit permitted by the stops [2 thereby loosening the material which may be clogging the outlet and Yersely of the casing intermediate the ends of permitting it to be carried away by the force OI the water pressure about the outlet.

From the foregoing description taken in can nection with the accompanying drawings it will be apparent to those skilled in the art that I have devised an extremely simple and inexpensive construction of spray nozzle comprising only one movable unit, and that the unit is so constructed and arranged with respect to the casing that it may be readily manipulated by the operator for the purpose of dislodgin any obstruction to the now of water through the nozzle, without the use of tools, and without the necessity of disconnect! ing the nozzle or dismantling any of the parts thereof.

I claim: I

1. ,A shower nozzle comprising a casing having a plain cylindrical interior, a disk fixed trans- 30 2.1423960 4 versely of the casing intermediate the ends of the latter and provided with a central cylindrical passage, a spray head and stem loosely mounted in said cylindrical passage for reciprocal move- 5 merit, a pair of longitudinally-spaced non-circular plates fixed to the stem for centering the same with respect to the casin and a plurality of stops bent up from the plate neare t the cylindrical passage for limiting the movement of the 10 plate toward the passage.

2. A shower nozzle comprising a casing having a plain cylindrical interior, a disk fixed transgthe latter and provided with a central cylindrical 15; passage, a spray head and stem loosely mounted .in said cylindrical passage for reciprocal movement, a pair of longitudinally-spaced triangular plates fixed to the stem for centering the same with respect to the casing, and a plurality of 20 stops bent up from the edges of the plate nearest ,the cylindrical pasage, said, stops being disposed intermediate the apices of the said plate.

' KENNETH W. SENIOR,

References Cited in the file of this patent UNITED STATES PATENTS Number Name Date 1,628,823 Chester et al May 111 92? Bucknell et al. July 15, 1947

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