US 1600388 A
Description (OCR text may contain errors)
Sept. 21 1926.
W. T. BARKER CLEANING DEVICE FOR ROTATING BRUSHES Filed Oct. 12, 1922 INVENTOR. William 2? Banker A TTORNEYS.
' card clothing or of a rotating brush X Patented Sept. 21, 1926.
UNITED I M H M S KER OF wers ievex comm n es- I f CLEANING nnvron FOR no'rn'rrive nRnsH-Es,
Application filed Qctober. 12, 1922. Serial No. 594,220.
My invention relates to cleaning devices for rotating brushes, especiallyto'such devices for efficiently cleaning brushes that are. substantially cylindrical in form, as revolvmg brushes in vacuum cleaners or carpet sweepers of various types.
The cleaning of brushes of the abovementioned class has always presented a more or less difficult problem, since they are mounted so as to rather avoid cleaning them efficiently because of the small are of sur-- face exposed at one time. And yet, these brushes need" cleaning often, as they fill. up, by the nature ofv their use, with all kinds of lust, filaments, threads, hair and tufts. of
various materials. It is the purpose of this device to make possible the cleaning of the brushes without dismounting, and by manually operated means.
A valuable object of this invention is to clean such brushes while the latter. are be,- ing rotated and by holding the new device in proximity to the surface of the brush. It is also a further object to clean the brush by contact with a maximum of the periph: eral surface of the brush.
The details of the application of my improvement to the function sought will be explained as the structural description proceeds. M
The above-stated and other objects of my invention are attained by structure illustrated in the accompanying drawings in which,
Figure 1 is a perspectlve view of my cleaning devlce, as seen from the inner surface thereof, and
Figure 2 is a transverse section of the body of the device, and as applied to a rotating brush shown in dotted lines.
In the drawings in which similar reference characters are employed to indicate corresponding. parts throughout the several views, the letter A designates a sheet of other foundation for mounting large numbers of steel teeth B thereon, by which means the latter included with the said sheet may be secured within a metallic frame C whose side edges F are bent over toward the said teeth to secure the latter in position on the backing. It is a purpose of this device to make possible the easy cleaning of a brush having a convex surface, such as the peripheral surface which is illustrated in Fig. 2 in do tedl nes only. This curved surface can be mostreadily cleaned bya concave cleaning surface, andthe surface, ofmy device is therefore concave as shown at K in said view.
To. so mount the said teeth, the inner surface of the metal frame. C islmade concaveand the sheet A fittedto said surface. To;
mount the cleaning agent B for manipula-j tion the device is applied to a heavy wire handle D formed by doubling the; ends of a wire strip together and applying the spaced ends to, the. surface of thesheet near the. edges thereof, just outside the teeth, and then bending themetal edges F over the wire at. E. and therebyexertingpressure on the sheet surface. The form ofthe extend-v ed handle part may be fashioned as may be gesiaed for conveniently grasping by the.
The cleaning device is not only curved transversely but also -longitudinally as.
shown in Fig. 1, the latter-feature making possible the application of the concave form of the teeth or otherwise roughened surface to a rotatingbrush' surface without exposing the handle and the hand grasping the same'to the brush'being cleaned "To further secure the toothed or otherwise roughened element upon the metal frame, the ends of the latter are also bent inward as at G and H and clamped down upon the sheet A.
It is to be noted that I have thus devised a cleaning device which is itself a form of brush, and is formed in a concave fashion on the brush Y vex in a longitudinal section, clearly in Fig. 1. This convexity is for the purpose mentioned in the preceding paragraph.
The materials mentioned in the above description need not be used just as stated, as my invention does not consist 1n the selection of material, though they have been found very satisfactory for the purpose, but many changes may be made in the nature of substances used to attain a particular object, without abandoning the spirit of my invention as here shown and described and later recited in the claims. For example, while reference is-lierein made to card clothing as the means for cleaning a brush, it is b no means essential that metal teeth shal be used orthat card clothing be the form of such metal teeth for the instrument employed. In some cases,
side in cross section but conas shown it may be desired to lined and recited in the claims.
It is also to be noted that I am by no means restricted to the particular form of handle shown and described. Any handle element may be used that can be applied upon the edges of the sheet and pressed thereon by the bent over strips F of the frame.
The form of metal used for the frame C may Well be aluminum or some of its alloys,
but in some cases other metal may be sub-- stituted therefor.
Having described my invention, What I desire tosecure by Letters Patent and What I claim is, r
1. A brush cleaning device'comprising an elongated, curved supporting sheet, metal teeth mounted on the concave surface of the sheet, a rigid, metallic frame member secured to the side edges of said sheet adjacent its tooth surface and extending longitudinally thereof, and a Wire handle extending from one end of the device With the Wire ends secured to the side edges of said member.
2. A cleaning device for rotating brushes comprising an elongated sheet, metallic teeth mounted uponsaid sheet, rigid means for mounting said sheet to form a toothed, con
in' some situations it 7 4;. A cleaning device for rotating brushes comprising a sheet, metallic teeth mounted on said sheet, a metallic backing for mounting said sheet to provide a toothed surface concave in cross section and convex in longitudinal section, a bent rod serving as a supporting handle for the device, the spaced rod ends being secured to the edges of said sheet, and the edges of said backing being bent up over the rod ends and clamped down on the sheet edges.
, 5. A brush cleaning device comprising a support having a surface provided with metallic teeth, said surface being concave in cross section and convex in a longitudinal section, whereby the device Will contact the surface of a curved brush to be cleaned over an appreciable arc, and yet permit one end of the device to be grasped by the operators hand Without contacting the surface of said brush.
In testimony whereof I hereunto atfix my signature. Y
WILLIAM THOMAS BARKER.