|Publication number||US600687 A|
|Publication date||Mar 15, 1898|
|Filing date||Sep 28, 1896|
|Publication number||US 600687 A, US 600687A, US-A-600687, US600687 A, US600687A|
|Inventors||Carl Eduard Flemming|
|Export Citation||BiBTeX, EndNote, RefMan|
|Referenced by (20), Classifications (1)|
|External Links: USPTO, USPTO Assignment, Espacenet|
4 Sheets-Sheet '1.
(No Model.) 0. E. FLEMMING. I I
APPARATUS FOR FORMING HOLES I-N BRUSH BAGKS BY PRESSURE.
Patented Mar. 15,1898.-
2 M. e h S F MW e h S 4 G N I M M E L fi H 0 APPARATUS FOR FORMING HOLES IN BRUSH BACKS BY PRESSURE Patented Mar. 15, 1898.
(No Model.) 4 Sheets-Sheet 4.
v C. E. PLEMMING. APPARATUS FOR FORMING HOLES IN BRUSH BACKS BY PRESSURE. No. 600,687.
Patented Mar. 15,1898.
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FFICEQ CARL EDUARD FLEMMING, OF SCHOENHEIDE, GERMANY.
APPARATUS FOR FORMING HOLES IN BRUSH-BACKS BY PRESSURE.
SPECIFICATION forming part of Letters Patent No. 600,687, dated March 15, 1898.
Application filed $eptem'ber 28,1896- Serial No. 607,199. (No model.) Patented in Germany April 5, 1895, No. 86,690; in England April 24, 1896,N0. 8,689,- in Belgium June 1,1896, N0.121,739, in Italy June 80, 1896, LXXXII, 12, and in Austria July 12, 1896,1T0. LB/2,786.
To aZZ whom it may concern.
Be it known that I, CARL EDUARD FLEM- MING, a subject of the King of Saxony, residing at Schoenheide, Saxony, Germany, have invented a certain new and useful Improvement Relating to Apparatus for Forming Holes in Brush-Backs by Pressure, (for which patents have been procured in the following countries: Germany, dated April 5, 1895, No. 86,690; Italy, dated June 30, 1896, Vol. 82, No. 12; England, dated April 24, 1896, No. 8,689; Austria, dated July 12, 1896, Tom. 46, Vol. 2,786, and Belgium, dated June 4, 1896, No. 121,739,) of which the following is a specification.
The invention relates to an apparatus for pressing the holes for bristles in brushes in rows or in groups several'at a time. If in a brush-body all the bristle-holes are to be parallel, by means of this apparatus all the holes can be formed by one single pressing operation. It is of course to be understood that the material selected for the brush-bodies is capable of undergoing such punching of the holes without tearing or breaking. Wood, celluloid, papier-mach, and the like substances are suitable for this purpose.
The accompanying drawings form a part of this specification and represent constructions embodying my invention.
Figure 1 is a front elevation of my improved brush-back boring machine. Figs. 2 to 5 show parts on a larger scale. Fig. 2 is a vertical section, partly in elevation, at right angles to the plane of Fig. 1, the view illustrating more particularly the back-clamp, the punches, and plate directly carrying the same. Fig. 3 is a plan view, partly broken away, of the back-clamping provision. Fig. 4: is a plan view of the punch-carrying plate. Fig. 5 is a vertical section, partly in elevation, corresponding to Fig. 2, but at right angles thereto, the portion f being slightly modified,as will be fully explained below. Similar letters of reference indicate like parts in all these figures. Figs. 6 and '7 show a modification. Fig. 6 is an elevation partly in vertical section, and Fig. 7 is an elevation, partly in section, on a plane at right angles to the view in Fig. 6. The letters of reference correspond in these two figures. Fig. 8 is a view illustrating an arrangement for punching oblique holes in a brush-back having a fiat upper surface.
Figures 1 to 5 illustrate a simple form of apparatus of this kind. It consists of two main parts, one of which serves for holding the brushes and the other part for pressing in or punching the holes. The brush-holder may be constructed of various forms, so long as that portion of the brush-body in which the holes are to be pressed is held in such a manner as not to split when the punches or pressing-tools are forced into it. In the arrangement shown in these figures the plate a supports two strips d, between which that part of the brush which is to be punched is inserted. The space between the strips 01 d and the plate a, provided for the reception of the brush-body, is further limited toward the top by a plate 6; but this plate may be dispensed with, as hereinafter stated. In this plate there are holese, through which the punches project. The brush, which may be, for example, a tooth-brush A, as shown in Figs. 1 to 5, is inserted into the holder from the side. In order that the holes shall always be accurately pressed at the same spot, there is provided on the brush-holder a stop 9, which serves to limit the advance of the brush-body. The stop 9 is adjustable by means of a slot and set-screw g. The strips d are capable of being adjusted laterally by being formed with slots at, guided along the screws (1 which connect the parts a at d e of the holder. By this means the strips cl can be adjusted, as regards their distance apart, to suit brushes of different widths, and also to the extent of a small angle relatively to each other for the purpose of enabling brushes to be pierced whose width tapers or. varies. For brushes with backs of diiferent heights the strips cl must be replaced by higher strips. The holder is also made vertically adjustable for the last-mentioned purpose by the aid of screws 0, which support the holder, the lower ends of the bolts screwing into the supporting-bed, while the upper ends have suitable heads for the application of an operatingwrench. J am-nuts 0' above the holder serve, in connection with collars c, to rigidly clamp the holder after each adjustment.
The punching device consists of a plate f,
which is provided with the requisite number of punches or smallpressingtoolsf, arranged in series. The punches f fit accurately in the same number of holes e of the plate 6. As the plate f is moved up and down the bristle-holes are formed in the brush-bodies A as they are successively inserted in the holder.
The plate (2, with the holes e, is designed to serve several purposes. First, these holes constitute guides for the punches f, so as to prevent the latter from being bent or from assuming inclined positions during the punching operation. Preferably the pressing-plate f has a stroke small enough to insure that the punches do not lose their guidance in the holes 6. The plate 6 also serves to keep back the brush-bodies after the holes have been punched, so that the punches do not carry the brush-bodies up with them. Finally the plate 6 is requisite in order that the punched holes shall have sharp clear-cut mouths and that the upper surface of the brushbody shall remain smooth.
The plate f, with its punches f, must be pressed downward to a greater or less extent, according as it is desired that the bristle-holes shall have more or less depth. The depth of the punching of the holes may be regulated in various waysnamely, either the length of the punches f or the stroke or the height of the plate a can be Varied.
In Fig. 1 the plate f is shown as being attached to and capable of rising with the plunger t.
Fig. 5 shows an arrangement in which the plunger 1 is not fixed to the pressing-plate f. The latter is in this case elevated by means of springs Z and is restrained by stops K in the highest position in which the punches are still guided in the holes e. According as the table I) is situated at a greater or less height the plunger 1; will meet the pressing-plate f sooner or later, so that holes can be punched of corresponding depth.
A preferable form of the entire machine is shown in Figs. 6 and 7. The brush-holder is made adjustable in this case in such a manner as to enable oblique holes to be punched in the brush-body,it being immaterial whether the brush-body has a flat or a convex upper surface. A brush-holder of this kind is required particularly when the bundles of bristles or rows of tufts are not parallel side by side, but are arranged relatively to one another somewhat like the radii of a cylinder. In this case the brush is held between checks or jaws n, Fig. 6, which can be moved relatively to each other by means of the screws 0 or any other suitable means. These jaws 7t are arranged in a frame m, which is immovably fixed to a part 1). The latter is pivoted on the pin (1 on the sliding carriage r and forms a rigid whole with the toothed wheels, in which the worm-Wheel t engages. On turning the latter by means of the hand-wheel u the part 19 also turns with the brush-holder m about the pin q, so that the brush-body is brought into another position under the punching device. In this case it has been assumed that the surface of the brush to be punched is formed convex like the surface of a cylinder and that all the bundles or rows of bristles are arranged radially. The sliding carriage r is adjusted by means of the spindle w in such a manner that the axes of the pin (1 and of the pressing-spindle J are at right angles to each other and in one plane. The punching device employed has only one row of punches.
the brush-body, then the brush-holder is rotated by means of the hand-wheel u to such an extent as to enable the next row of holes to be punched, and so on. The holes for the tufts of bristles all have one radial position, their axes converging toward the axis of the pin g. If it is desired to arrange the tufts in an arc of more or less curvature, it is necessary to clamp the brushes at a greater or less heightthat is to say, nearer to or farther away from the axis q.
The shifting of the punching device may be effected by means of the hand-wheel K, whereby the spindle J can be set to a greater or less height in the sliding carriage L.
In the case last described the plate 6, with the guide-holes e for the punches, is not fixed On its downward stroke onlyg one longitudinal row of holes are punched in on the brush-holder, but is carried loosely by the pressing-plate f. The brush is then held at its sides and has its upper surface free. The set-screw G insures the proper endwise position of the brush when inserted. The plate e is made adjustable to a certain extent on the cross-pieces 8 above the pressing-plate f by means of the guide-slots e and screws 6 and is held underneath by the springs Z. On the downstroke of the pressing-punch the plate e therefore bears first against the brushbody, and in consequence of the compression of the springs Z it is held with increasing pressure against the brush-body, so that uniformly-punched holes are produced. When it is desired to punch holes of any desired obliquity, the sliding carriage 1" must also be shifted in addition to the adjustment by means of the hand-wheel a.
When a brush-body having a flat upper surface is to be provided with obliquely-set holes for the bristle-tufts, the guide-holes e for the punches f in the plate 6 must all, or in part, lie obliquely to correspond in the manner shown in Fig. 8 in order to enable the punches to work, also when the plate 6 is placed obliquely. In this case the plate 6 is preferably fixed to the holder, which, as in the previous case, may be pivoted on an axis lying at right angles to the dash-dotted middle line of Fig. 8.
Further modifications may be made without departing from the principle or sacrificing the advantages of theinvention. I can increase the movement of the plate f; but if the punches should move quite out of the holes it might possibly occur that in the next down stroke they Would not enter accurately into their holes again. This lastmentioned danger may be lessened by making the guidingholes 6 with rounded or flaring upper edges or by tapering or beveling the punches at their ends in order that the punches shall enter properly into their guide-holes.
I claim as my invention- 1. In a machine for producing holes in brush-backs, the combination With a plate a carried by ahorizontally-adjustable support pivotally sustained to tilt in either direction, suitable gaging means on the plate for controlling the position of the brush-back, a perforated plate 6 and a punch-carrying plate operable above the same, substantially as set forth.
2. In a machine for producing holes in brush-backs, the combination with a plate a carried by a horizontally-adjustable support pivotally sustained to tilt in either direction, suitable gaging means on the plate for controlling the position of the brush-back, de-
vices for vertically adjusting the plate a, a perforated plate e, and a punch carrying plate operable above the same, substantially as herein specified.
3. In a machine for producing holes in brush-backs, the combination with a plate a, carried by a horizontally-adjustable support pivotally sustained to tilt in either direction, of laterally-adjustable plates 61 cl, and longitudinally-adj ustable stop g for gaging the position of the back on the plate, and a perforated plate e and punches, substantially as herein specified.
4:. In a machine for producing holes in brush-backs, the combination with a plate a, carried by a horizontally-adj ustable support, pivotally sustained to tilt in either direction of laterally-adjustable plates 01 d, and longitudinally-adj ustable stop g for gaging the position of the back on the plate, a perforated plate e, and a normally spring-elevated plate f carrying punches, substantially as specified.
5. In a machine for producing holes in brush-backs, a shaft turning in bearings, a part 19, rigidly mounted thereon and sustaining aplate at, having suitable means for supporting a brush-back, a gear-segment rigidly secured to the shaft and part 19 for varying the inclination of the plate a, in combination with a perforated plate e supported in juxtaposition to the plate a, punch-carrying plate f above the same,interposed expandingsprings and a pressing-spindle J ,substantially as herein specified.
6. In a machine for producing holes in brush-backs, the combination with a plate a, carriedby a horizontally-adjustable support pivotally sustained to tilt in either direction, suitable gaging means on the plate, a perforated plate e, punch-carrying plate above the same and a pressing-spindle J Vertically adjustable in the actuating part, substantially as herein specified.
7. In a machine for producing holes in brush-backs, the combination with a plate a carried by a horizontally-adjustable support pivotally sustained to tilt in either direction and having suitable means for supporting a brush-back, of a perforated plate 6, in juxtaposition to the plate a, punch-carrying plate f, lifting-springs and a limiting-stop for the latter, and punch-actuating means, substantially as herein specified.
In testimony whereof I have hereunto set my hand, at Schoenheide, this 25th, day of August, 1896, in the presence of two subscribing Witnesses.
CARL EDUARD FLEMMING.
THEODORE M. STEPHAN, EUGEN KLEMEN-Z.
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