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Process Patrol

Welcome to my site.
This project was developed by a former Engineer and now a patent agent assistant studding towards LLM degree. Seeing new inventions is very interesting to me. I created this site to outlines my favorite inventions along with inventions that I believe have potential.

Car hand spray washer

by Jerry, Frederick L.;



This invention relates to a device which will selectively allow a soap to be mixed with water in a hand held car washing wand.

An object of this invention is to provide a hand held car washing wand wherein a soap is mixed with water and ejected through the wand.

A further object is to provide such a device wherein either clear rinsing water, or water mixed with soap may be selectively discharged.

Other objects and advantages will be apparent from the following description.

In the drawings:

FIG. 1 is a sectional view of the invention connected to the wand to a Car Hand Spray Washer;

FIG. 2 is a perspective view of the invention with parts broken away;

FIG. 3 is a top plan view of the invention with parts broken away;

FIG. 4 is a perspective view of the valve member with the spring and button removed and;

FIG. 5 is a perspective view of the invention connected to a Car Hand Spray Washer.

The invention deals with a Car Hand Spray Washer, (shown in FIG. 5), which has a wand 00 with a brush at one end and a connector at the other end for connecting the wand 00 to a source of water under pressure. The invention itself comprises a valve body 1 having a liquid soap container 5A connected to the wand 00 so that liquid soap may be allowed to flow from the container 5A into the ward 00. The valve body 1 is provided with a passagewsy 2, a valve chamber 3 and a cap 5 extending outwardly from the valve body 1 for holding the liquid soap container 5A. Two tube guide pins 7A and 7C extend outwardly from the valve body 1 into the liquid soap container 5A, the guide pin 7A having a hole 7B near the valve body 1 for the purpose of regulating the air in the container 5A which permits the free flow of liquid soap outwardly therefrom. There is also provided a needle-like tube 6 extending outwardly from the valve body 1 into the liquid soap container for conducting the soap into the valve body 1.


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The valve chamber 3 has a hole 4 through its upper portion (FIG. 1) and is provided with a valve 8 adapted to slidingly fit in the valve chamber 3. Valve 8 is provided with a passageway 8B (FIGS. 1 and 4) therethrough in its upper portion which can be aligned with the opening in the needle-like tube 6. The valve 8 is made with a threaded shank 8A which extends through the hole 4 with a button 10 screwed on the upper portion of the shank. A spring 9 is disposed around the shank between the button 10 and the valve body 3 to bias the valve upwardly into a closed postion.

The passageway 2 is in alignment with the opening in the needle-like tube 6, spaced therefrom by the chamber 3, and then extends downwardly to the exterior of the valve body 1 where a cap 11 having holes 11A fits snugly therein, the cap extending into a hole 12A in the wand 00.

In operation, depression of the button 10 against the spring 9 aligns the passageway 8B in the valve 8 with the opening in the needle-like tube 6 and the passageway 2 permitting the liquid soap to freely flow from the container 5A through the needle-like tube 6, the passageway 8B and the passageway 2 into the cap 11 whereby the liquid soap will mix with the water flowing through the wand 00.