US 2639945 A
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Description (OCR text may contain errors)
y 195 3 A. H. 'ROWLETLT 2,639,945 CAR, FLOOR, AND WALL WASHER I Filed Aug. 15, 1951 Q} I INVENTI OR. N fizz H 2010x851 :I x A'r'rnR NEYs Patented May 26, 1953 UNITED STATES PATENT OFFICE CAR, FLOOR, AND WALL WASHER Allen B. Rowlett, Washington, D. '0.
Application August 15, 1951, Serial No. 241,953
This invention relates to spray devices particularly adapted for washing motor vehicles, floors, outside walls, and the like, and in particular a nozzle having a supply tube extended through a surrounding jacket with soap, or other detergent, or a similar material retained in the jacket and the nozzle is provided with a finger actuated trigger which operates a plunger that injects small quantities of the soap or the like into the supply tube.
The purpose of this invention is to provide means for injecting small quantities of soap or the like into a stream of water used for washing a motor vehicle whereby the cleaning fluid is injected only as desired and may be injected for washing and cut off when the water flowing through the device is used for rinsing.
In the conventional method of washing and cleaning a motor vehicle soap or other detergent is mixed with water in a container and the soapy fiuid applied to the vehicle with a sponge, cloth,
or the like, and after the surface of the vehicle is clean it is rinsed by spraying water from a hose or the like. This requires applying the soapy solution by hand and where some detergents are used the hands are damaged when cars are washed continuously. With this thought in mind this invention contemplates a method of introducing small quantities of soap or other detergent into the water stream as it is flowed over the surface of the vehicle whereby the vehicle is cleaned without the necessity of the material coming in contact with the hands. and also whereby the vehicle is cleaned and rinsed with substantially the same operation.
The object of this invention is, therefore, to provide an improved nozzle through which a continuous stream of water may be flowed and wherein small quantities of a detergent or the like may be injected into the water stream as desired.
Another object of the invention is to provide an improved washer for motor vehicle bodies, floors, walls and the like that may be readily attached to the conventional hose in place of the usual nozzle.
A further object of the invention is to provide an improved motor vehicle washing nozzle wherein soap and other detergents are injected into water flowing therethrough which is of a simple and economical construction.
With these and other objects and advantages in view the invention embodies an elongated jacket having a pistol grip on the lower surface, a tube extended through the jacket and having hose connections on the ends, and a trigger actuated pump included in the pistol grip and adapted to inject small quantities of fluid in the jacket into the tube extending through the jacket.
Other features and advantages of the invention will appear from the following description taken in connection with the drawings wherein:
Figure 1 is a longitudinal section through the improved nozzle showing a hose connected to one end and a nozzle in dot and dash lines, adapted to be positioned on the opposite end, said section being taken on line l-l of Figure 2.
Figure 2 is a cross section through the device taken on line 2-2 of Figure 1.
Figure 3 is a plan view of the device.
Figure 4 is a detail taken on line 4-4 of Figure 1 illustrating the trigger mounting.
Referring now to the drawings wherein like reference characters denote corresponding parts the improved car, floor and wall washer of this invention includes a cylindrical jacket in having an extension II in the form of a pistol grip extended from the lower side, a supply tube l2 extended longitudinally through the jacket, a cylinder. l3 having a piston l4 therein positioned in the extension II, a trigger l5 for actuating the piston, and inlet and outlet valves is and I1 to control the injection of fluid from the jacket into the supply tube l2 as the trigger is actuated.
.The jacket I0 is provided with a filling nipple I8 having a cap l9 thereon and the ends are provided with openings 20 and 2! through which the tube [2 extends.
The ends of the tube l2 are threaded and one end is provided with a collar 22 that is positioned against the end of the jacket substantially sealing the-opening 2!. A nozzle, as indicated by the numeral 23 may be threaded on the end of the tube extended beyond the collar. A hose, as indicated by the numeral 24 may be attached to the opposite end of the tube, the hose being connected through suitable coupling members 25 and 26.
The cylinder 13 is provided with a boss 21 from which a. supply tube 28 extends and the upper end of the supply tube 28 is provided with a valve seat 29, upon which the ball of the valve I6 is positioned. The ball is held against the seat by a spring 38 and the spring is positioned in a bore 3| which is connected to the interior of the cylinder l3 with a passage 32.
A similar bore 33 is provided on the opposite side of the cylinder [3 and the bore 33, which .is positioned in a boss 34, is connected to the cylinder l3 by a passage 35. A valve seat is posipawn I I tioned around the passage 35 and the ball I! is resiliently held against the valve seat by a spring 31. The boss 34 is connected to the tube l2 by a tube 38.
The inner end of the piston l4, which is positioned in the cylinder I3 is provided with a rubber washer 39 and a spring 40 which is positioned in the cylinder is located at one end by the Washer 39. The opposite end of the spring 40 extends into a recess 4! in a plug 42 that is positioned in the opposite end of the cylinder.
The piston I4 is provided with a stem 43 which extends through a sleeve 44 formed on one endof the cylinder and a pin 45 on the-outer endof the stem 43 extends into the trigger I by the dotted lines in Figure 1.
The upper end of the trigger l5 extendsinto 5 as shown a slot 46 in a boss 41 on the under surface of the jacket 10, the slot 46 providing a guide for 're' I taining the trigger in an upright position as shown in Figures 1 and 4.
The device may be provided with positioning lugs 48 and 49, asshown in Figure 2 which locate the cylinder in the jacket laterally and provide reinforcing means therefor.
With the parts arranged in this manner the nozzle is positioned on the end of a hose extended from a water tap and for normal operation water is flowed through the tube l2 and the nozzle 2.; for washing a car or the like.
,When it is desiredto use soapy water or water containing a detergent or the like the trigger i5 is pressed inwardly whereby the piston l4 forces fluid in the cylinder [3 through the tube 38 and into the tube l2'ther'eby injecting a small quantity of fluid.fromxtherjaoket- I0. intov the stream of water flowing through the tube 12 and thereby through the nozzle 23.. As the trigger I5 is released the piston M is forced outwardly by the spring 40 whereby the ball valve I! is drawn against the seat136 and the valve. It opened thereby admitting-asmall quantity of the soapy fluid to the interior .of the cylinder l3 so that the device is again-charged and ready for operation. By continuous movement of the trigger it injections maybe made into the stream of water fiowing through the nozzle and after the surface is cleaned by the soapy water, the trigger it is not used and a stream-0f clean water passes through the device; By this means the surface of the vehicle may becleaned and rinsed.
In manufacturing, the nozzle it ispreferred to use a plastic and to form the parts, and particularly the jacket Ill in two halves with the tube l2 cemented in semi circular openings in the ends of the halves. The cylinder. may be as sembled as an independent unit and inserted in the extension II with the ends cemented thereto, as may be desired.
Although plastic is suggested as the material from which the nozzle may be formed it will be understood that the device may be made of other suitable material.
It will be understood that other modifications may be made in the design and arrangement of the parts without departing from the spirit of the invention;
" What is claimed is:
l. A spray nozzle comprising a substantially hollow jacket, a tube having threaded ends extended-longitudinally through said jacket, a nozzle connected to one of said threaded ends and a water-supply hose connected to the opposite threadedendsaid jacket having an extension at one sidei'at right angles to said tube, a pump in said extension at the side of the jacket, and a trigger positioned on said extension for actuating the pump, said pump positioned to inject fluid from the jacket into the tube extended through the jacket upon operation of said trigger.
2. A spray nozzleas described in claim 1 having a filling opening with a closure cap thereon on the said jacket.
3. In a spray nozzle, the combination which comprises a substantially hollow cylindrical jacket having an extension in the form of a pistol grip at one side centrally thereof and at right angles thereto and a filling opening therein diametn'cally opposite to said extension, a tube having hose coupling means on the ends extended longitudinally through said jacket, a nozzle connected at one end of the tube by the hose coupling thereon and a water supply hose connected to the opposite end by the hose coupling thereon, a cylinder positioned in the said pistol grip extension at the side of the jacket, an'inlet connection having a valve therein extended from the cylinder to a point spaced from the end of the said extension, an outlet connection having a valve therein extended from the cylinder to the tube extended through the jacket, a piston positioned in thecylinder and having a stem extendedtherefrom and through one end of the cylinder, and a trigger positioned on the outer end of the stem extended from the piston.
4. Aspray nozzle as described in claim 3 in which a spring is provided in the cylinder for returning the piston to the extended position.
ALLEN H. ROWLETT.
References. Cited in the file of this patent UNITED STATES PATENTS Number 2,153,240