US2908927A - Hand brush - Google Patents

Description

Oct. 20, 1959 o. PETERSON 2,998,927

HAND BRUSH Filed May 25, 1953 1: 11.111373 7 V V 1.. H... 3/!

7 9 INVENTOR.

RUBEN 0. P57679 0 fibaglwl 2,908,927 HAND BRUSH Ruben 0. Peterson, University Heights, Ohio, assignorto The Osborn Manufacturing Company, Cleveland, Ohio, a corporation of Ohio Application May 25, 1953, Serial No. 356,991 6 Claims. (Cl. 15--177) This invention relates as indicated to hand brushes, and more particularly to paint brushes, chip brushes, machinists brushes and the like. V

A large number of forms of hand brushes are manufactured for a variety of different purposes in many shapes and sizes. They have usually been assembled in one of two ways. Either the brush material is looped about a retaining member and a cap or sleeve slid thereover to hold the material in place, or else straight strands of brush material have been set in a plastic, such as rubber, which is then retained within a ferrule. Both of these processes are slow and expensive if a satisfactory product is to be obtained and even at best the resultant brush will have numerous deficiencies. Where the brush material is looped about the retaining member and merely held in place by a sleeve or bell cap forced down thereover the material soon begins to work loose in use and the brush must'be discarded. The other type of brush referred to is expensive to produce and the plastic material in which the bristles are set is affected by certain solvents. It is therefore a primary object of my invention to provide a new type of hand brush, the components of whichare susceptible of automatic mass production and which may be assem- V bled into the completed brush in a very short time and at a minimum expense.

A further object of my invention is to provide such brush which will actually be superior in wearing qualities and usefulness to the corresponding types of brushes now available at much greater cost.

Still another object is to provide such brush which may be assembled by unskilled personnel without the necessity of subsequent trimming operations or the like which are normally responsible for the waste of much valuable material.

Other objects and advantages will become apparent as the following description proceeds.

To the accomplishment of the foregoing and related 7 2,908,927 Patented Oct. 20, 1959 Fig. 7 is a longitudinal sectional view taken on the line 7-7 on Fig. 5; a

Fig. 8 is a plan view of a machinists brush or the like embodying the principles of my invention; and

Fig. 9 is a sectional view taken on the line 9-9 on Fig. 8.

Referring now more particularly tosuch drawing and especially Figs. l-4 thereof, the brush there illustrated comprises three principal elements; a brush element, a holder element and a handle element. In this embodiment the holder element comprises two opposed idenends, said invention then comprises the features hereinafter fully described and particularly pointed out in the claims,

the following description andthe annexed drawings setting forth in detail certain illustrative embodi ments of the invention, these being indicative, however, of but a few of the various ways in which the principle of the invention may be employed.

In said annexed drawings: Fig. l is a plan view of anon-elected form of brush; Fig. 2 is a sectional view taken along the line 2-2 on Fig. 1;

Fig. 3 is a longitudinal sectional view taken on the line 3-3 on Fig. 1;

Fig. 4 is a fragmentary longitudinal sectional view similar to Fig. 3 but illustrating a different mode of joining certain of the parts together;

Fig. 5 is a plan view of another form of hand brush embodying the principles of my invention;

Fig. 6 is a transverse sectional view taken on the line 66 on Fig. 5; i

tical sheet metal stampings 1 and '2. Such stampings are indented at 3 to form a stop or abutment against which the back of a brush element is adapted to rest, and'the two stampings may also be secured together in this area by means of spot welding at 4 and 5, for example. The brush element proper may preferably comprise a short length of brush strip produced in accordance with my priorPatent No. 2,303,386, comprising a sheet metal channelform back 6 in which the brush bristle material 7 is held beneath wire or like elongated retaining element 8. Teeth 9 may be punched in from the sheet metal channel sides to secure the retaining element therein. Such brushstrip is adapted to be produced rapidly and inexpensively in continuous lengths which may then be cut up into relatively short lengths for my present purpose. The teeth 9 which are punched in at intervals from the sides of the channel back 6 not only serve to secure wire 8, but also serve to prevent shedding of the brush material when the brush strip is thus cut into lengths.

The two sheet metal stampings 1 and 2 together serve to define an outer channel portion 10 in which the short length of brush strip is seated and secured, as by slightly turning in the edges 11 and 12 to overlie and engage the corresponding edges of the channel back 6 of the length of brush strip.

The stampings may be apertured at 13 in the indented opposed flat portions 3 to provide means for hanging the brush by a support therethrough whereby such brush may be suspended in cleaning solution by means of a rod supported on the lip of the container, for example. In the modification illustrated in Fig. 4, the two stampings may be riveted together by upsetting the lip 14 of one of such stampings about opening 13 instead of spot welding such stampings together.

A wire handle member 15 forms an elongated loop with the two sides thereof brought together where they enter neck 16 of the stamping assembly and the ends such as 17 are then recurved to conform to the contour of the indented flats 3 so that such handle will be rigidly held against any movement relative to the holder. The end portions of such wire handle element are, of course, inserted between the two stampings comprising the holder prior to assembling such stampings, as by spot welding or the like.

Referring now to Figs. 5-7 inclusive, the brush there illustrated utilizes an inserted brush element of the same type described above, but in this embodiment the holder and handle elements are integral, being formed of two opposed sheet metal stampings 18 and 19. Such stampings together form a channelform receptacle portion 20 closed at its ends and adapted to receive and embrace the inner brush element in the same manner illustrated in Figs. 1 and 2. The two identical stampings have contacting flats 21 and 22 whereby such components may be secured together as by spot welding 23. Openings maybe provided at 24 and 25 to provide for hanging up the brush and the rib 26 running around the outer contour of the handle portion supplies the necessary rigidity. 1

Referring now to Figs. 8 and 9, another special form of brush embodying the principles of my invention is there illustrated. Such figures show a machinists brush in-which a lengthofbrush strip is mounted in a pair of identical metal stampings and a separate handle member is-adapted to be inserted, ifdesired. A machinist normally has need of a brush for a variety of purposes such as removing chips from taps, reamers and drills, and cleaning surfaces during fitting, assembling and inspection. The brush must be one which may be easily carried in the usual tool kit and which is adapted to be modified to meet the individual mechanics special requirements. The two metal stampings 27 and 28 mount the brush element in the same manner as above described, such stampings being indented at 29 to provide an abutment or back to the channelform socket in which the brush element is secured and also to provide two contacting surfaces where the stampings may be secured together as by spot welding 30. These same indentations also serve as ,a stop against which the end of a metal handle 31 may abut when inserted through opening 32- in the end of the holder. Such handle may be provided with two holes therethrough, one adapted to register with the holes 33 in the holder and the other to register with the depressions or dimples 34. Such dimples extend inwardly to a sufiicient depth to snap into the respective ends of such corresponding opening in the handle member. A screw or rivet may be passed through openings 33 to secure the handle in the holder if it is desired to attach the same relatively permanently, or such hole may be employed to hang up the brush. The holder assembly 27, 28 may itself serve as a short handle, however, when a more elongated handle is not desired.

As can be seen from Figs. -9 of the drawings, the handle portions of the brushes comprise two sheet material members which extend a substantial distance away from the brush material of the brush and that these sheet members are inwardly compressed toward each other throughout a substantial extent of the handle leaving a raised peripheral portion.

A variety of difierent brush bristle materials may be employed, including Tampico fiber, nylon, or wire depending upon the use to which the brush is to be put. The assembly of all components may be accomplished in a single operation as by spot welding or the like. It will be seen from the foregoing that I have provided a novel hand brush which may be manufactured in several shapes and sizes at small expense but which is nevertheless a quality item and designed to outlast more expensive brushes now on the market.

This application is a continuation-in-part of my copending application Serial No. 757,119, filed June 26, 1947, now Patent No. 2,661,491 dated December 8, 1953.

It will be appreciated that for some uses the opposed holder portions may be of sheet material other than metal stampings, as for example molded or deformed plastic sheet material, and such portions may be joined together by suitable adhesives or bonding agents. It is highly desirable that such holder should not be of appreciably greater .width or thickness than is necessary to encompass the back of the brush element, so as to avoid any shoulder which would hinder access of the brush to outof-the-way places. The employment of a length of brush strip with such thin sheet material holder permits these dimensions to be kept to a minimum.

Other modes of applying the principle of the invention may be employed, change being made as regards the details described, provided the features stated in any of the following claims or the equivalent of such be employed.

I therefore particularly point out and distinctly claim as my invention:

1. A brush comprising an assembly of a short, substantially straight brush element having a layer of brush material secured to a back member; and an outer rigid sheet material holder member enclosing said back member with such brush material protruding therefrom comprising two opposed sheet material members forming a hollow interior, said two sheet material members extending a substantial distance axially of the brush to form an elongated handle portion and being inwardly compressed to contact each other throughout a substantial extent of such handle but leaving a hollow raised peripheral edge portion, and indented portions of said sheet material members forming an internal stop seating said back member of said brush element secured in a socket defined by said opposed sheet material members with such layer of brush material protruding therefrom, and means securing said indented portions together.

2. A brush comprising an assembly of a short, substantially straight brush element having a layer of brush material secured to a back member; and an outer rigid sheet material holder member enclosing said back member with such brush material protruding therefrom comprising two opposed sheet material members forming a hollow interior, said two sheet material members extending a substantial distance away from the brush material of the brush to form a handle portion and being inwardly compressed toward each other throughout a substantial extent of such handle but leaving a raised peripheral edge portion, an indented portion of such holder assembly forming an internal stop for a socket defined by said two opposed sheet material members in which said brush element is secured with such layer of brush material protruding therefrom, and means securing said opposed sheet material members together.

3. A brush comprising an assembly of a short, substantially straight length of brush strip having a generally fiat layer of brush material secured in a channelform back; an outer sheet metal holder member enclosing said back with such brush material protruding therefrom comprising two opposed sheet metal stampings forming a hollow interior, such opposed stampings extending a substantial distance axially of the brush to form a handle portion and being inwardly compressed to contact each other but leaving a hollow raised peripheral portion, such inwardly compressed region forming an internal abutment engaging said back of said length of brush strip secured in a socket defined by said opposed sheet metal stampings with such layer of brush material protruding therefrom, and means securing such compressed portions of said stampings together.

4. The brush assembly of claim 2 having an opening to such hollow interior of said handle portion adapted to receive an extension member or the like for insertion therein and abutment against said indented portion.

. 5. The brush assembly of claim 2 having an opening to such hollow interior of said handle portion, and an extension member inserted through said opening and secured therein.

6. The brush assembly of claim 2 having an opening to such hollow interior of said handle portion, and an extension member inserted through said opening and secured therein with the inner end of said extension member abutting against said indented portion.

References Cited in the file of this patent UNITED STATES PATENTS 843,596 Fogarty Feb. 12, 1907 999,820 Martin Aug. 8, 1911 1,113,740 Beebe Oct. 13, 1914 1,169,815 Heckman Feb. 1, 1916 1,208,523 Edlund Dec. 12, 1916 1,566,322 Gray Dec. 22, 1925 2,642,610 Erik June 23, 1953 2,661,490. Benyak Dec. 8, 1953 2,661,491 Peterson Dec. 8, 1953 FOREIGN PATENTS 446,597 France Oct. 14, 1912

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