US2190599A - jones - Google Patents

Description

Feb. 13, 1940. J. E. JONES I SELF-FEEDING BRUSH Original Filed Feb. 24, 19s? A Hofneus shown a preferred embodiment of my invention.

Patented Feb. 13, 1940 l uN Eo FiiTE- SELF-FEEDING BRUSH Jack E. Jones, High Point, N. 0., assignor, by

direct andmesne assignments, of twenty per cent to Charles H. Doggett, Greensboro, N; 0., twenty per cent to J. R. Curry; twentyper cent to Arnold Bette, and vtwenty per cent to J. K. Brown, all of High Point, N; C.

Application February 24, 1937, Serial No. 127,469

Renewed July 13, 1939 1 Claim. (Cl. 15-128) My invention relates generally to'a self-feeding brush, and particularly to a brush or this character in which the feed of fluid is equalized with respect to the upper and lower'extremities thereof, and an important object of my invention is to provide a simple, inexpensive, and

practical arrangement of this character. t

Other important objects of my invention will be apparent from a reading of the following description taken in connection with. thedrawing, wherein for purposes of illustration I'have In the drawing: a Figure l is a general side elevational View of an embodiment of. the invention adapted for painting vertical walls.

Figure 2 is a longitudinal vertical sectional view taken through Figure 1 and enlarged.

Figure 3 is a longitudinal sectional View taken through the valve mechanism.

Figure 4 is a horizontal sectional view taken through the feed sac.

The subject matter of this application is a As shown in Figure 2 of the drawing a U- shaped fluid feedingsac ll made of leather or other suitable flexible materialis arranged wlth-' in the bristles Hi with the legs thereof pointing toward the body of thebrush and equally spaced from the top and bottom edges of the bristles Ill. The night portion of the sac .H is provided with a multiplicity of spaced openings l2 which are formed by partially cutting out tabs E3, to control and effect even distribution of the fluid to the bristles. l

The terminals of the legs of the sac have secured in communication therewith as indicated by the respective numerals it and 55 the outer ends of crossed tubes It; ll which are severally connected by the T It to the valve is which is interposed between the T It and the supply tube which passes longitudinally through the handle portion 1. i l l The valve is is located in a recess 2| in the body 9 which opens into the elongated recess 22. The tubes IE5 and ll pass through openings 23, 24, respectively, in the bristle base 9.

The valve l9 has a valve plug which is manually operable by means of ahandle 26 which extends at one side of the handle body as indicated in Figure 1 of the drawing this handle 25 extending through an extension of the recess 2! which opens through the side of the body;

The ,feed tube I6 comprises a generally hori zontal portion 26 which extends through the opening in the bristle base and where it joins a sharply declining portion 21 which terminates at its lower end as indicated by the numeral 28 in an up-bend which is approximately on a level with the horizontal portion 29 of the feed tube IT. A straight vertical portion 36 leads upwardly from the bend 28 and into the lower arm of the T lll. r

The feed tube IT has the horizontal portion 29 already mentioned which terminates in the straight sharply inclined portion-3l which rises to a level with the portion 26 of the feed tube I6 where it has a down-bend 32 which terminates in a straight portion 33 similar to the straight portion 38 and which is connected with the upper arm of the T l8. It will be observed that by this arrangement the feed tubes are crossedand reversed with respect to each other and with respectto the usual arrangement of the tubes in self-feeding brushes of this general character.

As indicated in Figure 1 of the drawing, the supply tube 20 has outward of the terminal of the handle portion I a suitable adapter 34 en-' abling connection thereto of a supply pipe 35 which brings paint or the like under pressure to the supply tube 34 for operating the brush. As the paint under pressure comes through the supply tube 20 and reaches the valve l9 the handle 26 is operated topermit the wanted amount'of paint to pass the valve and into the T l8 where a portion of the paint falls gravitationally through the portions and 28 of the pipe l6 and rises to a certain height in the portion 2i, whereupon paint will be forced up through the portion 33 of the pipe I! and eventually over the bend'32 .whence it travels gravitationally to the straight portion 29, in an through the'tubes l6 and ll to the arms of o the distributingsac by which paint is brought TOFFEE arrangement such that the paint is passed Gil-i to the upper part of the brush in substantially the same amount as the paint is brought to the lower part of the brush due to the slow egress through openings I2. This distribution of the paint distinguishes v from present selffeeding brushes wherein gravity tends to feed a greater amount of paint through the lower feed tube than through the upper feed tube, so that the lower part of the bristles contains too much paint while the upper part of the bristles are starved. brush is used with paint or material which has a considerable amount of body and I find that under a pressure of from 10 to 20 pounds the paint will have a substantially even flow from both tubes I6 and I! into the sac, regardless of what position the brush is held in.

Although I have shown and described herein It must be borne in mind that the a preferred embodiment of my invention, it is to be definitely understood that I do not desire to limit the application of the invention thereto, and any change or changes may be made in the materials and in the structure and arrangement of the parts, within the spirit of the invention and the scope of the subjoinecl claim.

What is claimed as new is:

A brush of the class described comprising a

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