US1626217A - Punching machine - Google Patents

Description

Aprll 26, 1927. 4G. TAUSCHEK PUNQHING MACHINE .,lji1ed Ju1y28, 1925 2 Sheets-Shegt 1 April 26 .1921. 1,626,217

I G. TAUSCHEK PUNCHING MACHINE Fi1ed Jul /28. 1925 I 2 Sheets-Sheet 2 Lye/afar.-

Patented Apr. 26, 1927.

U'NITEDSTATES PATENT OFFICE.

GUSTAV TAlISCI-IEIK, or VIENNA, AtrsirnIA.

PUNQHING MACHINE.

Application filed July 28, 1925, Serial No. 46,683, and in Austria Apri1 8,.1924.

My present invention relates to machines for punching or perforating cards such as aroused to represent figures, names, dates or other particulars for bookkeeping, statistical, or other purpoies.

The object of this invention is to. provide a machine of this character which will be reliable in operation and which can be adjusted readily to perform its intended functions.

/ In principle, my improved machine comprises asupport for the card to be perforated, a series of punches, and a movable carrier on which said punches are mounted in such a mannerthat they may assume two difierent conditions relatively thereto. One of said conditions is the normal or inactive condition, and if the carrier is moved toward the support, those punches which are in said inactive condition will not perforate-the card, but such function will be performed only by those punches which have been previously brought to what may be termed their active or ready condition. A special depressor or selector mechanism is provided for setting the punches to such ready condition preparatory to that movement of the carrier by which the punching operation is performed. I

A typical and satisfactory example of a machine embodying my present invention is illustrated by the accompanying drawings, in which Fig. 1 is a front elevation of the machine, with parts in section Fig. 2 is a plan view; Fig. 3 is a vertical section, in a plane at right angles to Fig. 1; Fig. 4 is a detail perspective view of a portion of the depressor or selector which sets the punches to'the active or ready condition; and Fig. 5 is a detail elevation, with parts in section, and on an enlarged scale, this view being taken as looking from the left of Fig. 3.

By means of any suitable holding devices (notshown), the card to be 'erforated is secured to the base plate 1. 1th this plate are connected rigidly parallel guide bars 2 extending transversely of the machine. Along these bars is movable, lengthwise of the card, a slide 3 rovided with eyes embracing said guide ars. Orr-said slide is mounted a punch carrier 4, in such a manner as to share the movement of the slide, yet to be also capable of a vertical movement relativelyto such slide. In the carrier 4 are mounted a' series of punches, said series the punch 13 and four of the punches 6 (at' the right) in this inactive position or condition. In this position, the punchin or lower ends of the punches project but slightly beyond the bottom face of thecarrier 4, while the tops of said punches extend quit'e appreciably beyond the upper face of said carrier. The punches maybe brought to the active or ready position or condition, by means of a depressor or selector 8' extending fromfrontto rear of themachine, overthe upper ends of the punches, and connected rigidly with a slide 8 movable forwardly and rearwardly along guides 4 which are rigid with the carrier 4. The slide 8 and selector 8 may be moved by means of a handle 9 suitaby guided by means of a slot 3' in the slide 3. Inasmuch as,

with this construction, the handle 9 will:

have no vertical movement, while the selector 8 and the slide 8 will move up and down with the carrier 4, a suitable arrangement, such as the telescopic connection indicated at- 9 in Fig. 1, will be provided to compel the parts 8, 9 to'move in unison forward and rearward of the machine, while permitting the slide 8 to move up and down relatively to the handle member 9. The handle is shown as provided with a pointer 9 co-operating with a scale 3 secured to the slide 3, to indicate the position of the selector 8. This handle may also be provided with the well-known rack-and-p'awl or equivalent mechanism (not shown) for preventing accidental, movement and holding the handle and the selector 8 in the position to which they may have been adjusted. Preferably the tops of the punches are beveled, at least on their'rear' sides, so that they will oppose no .material resistance to the forward movement of the selector 8. Fig. 3 shows five of the punches 6 in engagementwith the "selector 8 and depressed by it to a'position (the ready position) in which-the lower ends of sand punches projeot considerabl below those of the other (inactive) punc es. If new the carrier 4 with the selector 8' is moved down by mechanism to be described presently, the selector 8, forming a rigid backing for the five punches which are in the ready position or condition, will force these punches through the card and make a corresponding number of perforations in such card.

Those punches, however, which are not in.

engagement with the selector 8', will remain inactive, as regardsthe punching operation. Preferably the lower surface of the selector 8 is provided with notches into which the beveled upper ends of the punches may snap under the influence of the springs 7.

The perforations produced by the punches 6 are intended for the main indications of the card, and in cases where indications mean figures (as in making a record of wages earned by a workman), nine punches 6 will be employed, as illustrated. It will be obvious that the selector 8 may be moved to different positions according to which the downward movement of the carrier '4 will cause one, two, three or more perforations (up to nine) to be produced simultaneously in the card. Thus, to punch a card with a record indicating the figure 5, the selector would be moved to the position indicated in Fig. 3.In some cases, it might be desirable to punch in the card some additional marks having specific meanings. For instance, with cards perforated for the subsequent calculation of wages in a tabulating machine of suitable character (forming no part of my present invention), some perforations will indicate figures to be added (for instance, ordinary wages and overtime) while others may indicate figures to be subtracted (for instance, fines, charges for ma terial, etc.) The purposeof the punch 13 is to produce an extra perforation, in a place by itself (Fig. 3 indicates a gap between the punch 13 and the adjacent punch 6) which extra perforation will indicate, for instance, that the figure or number indicated by the adjacent series of perforations produced by punches 6, is to be subtracted instead of being added. Tooperate the punch 13, the selector 8 would be moved toward.

the rear sufficiently to brin the wide forward end a of the selector in registry and contact with the forked upper end of said punch 13, as shown in Fig. 4. This would depress the punch 13 to its active or ready position, and upon then moving the carrier 4 downward by mechanism to be described presently, the punch 13 would produce in the carda single perforation equivalent to a minus sign. After then restoring the carrier 4 to its upperposition, the selector 8' would be set farther forward so as to engage as many of the numeral punches 6 as it is desired to operate. These punches 6 would be engaged by the narrow portlon or rib b of the selector, while the forked upper end of the punch 13 would straddle such portion 6, so that the punch 13 will not be operated at the time any of the numeral punches 6 perform a punching operation. In Fig. 2, the letter V indicates the point of the scale 3" with which the pointer 9 should register when it is desired to operate the punch 13.

The following mechanism serves for forcing the carrier '4 down to perform the punching operation, springs 3 being employed to hold the carrier 4 normally in its raised position and for returning it thereto. In suitable bearings provided on the slide 3, above the carrier 4, are journaled the upper ends of toggle links 10, their lower ends bein connected pivotally with the punch car mi 4, which is suitably guided for vertical movement relatively to the slide .3. The middle pivots of the toggle links are connected. by a rod 11, and a spring 5 coiled .1

aroundsaid rod and bearing at one end against a bracket carried by the slide 3,

tends to swing the toggle links in such a direction as to raise the carrier 4. Thus the springs 5 and 3 have similar functions, and one or the other might be omitted, but I prefer to use both on account of the greater certainty of movement obtained thereby. One of the upper toggle link members is connected with a lever or key 12, by

the depression of which the carrier 4 will be moved downwardly to perform a perforating operation with the aid of those punches which are in engagement with the selector 8' at that time.

I may here add that the machine illustrated will be fully operative without the punclnlifting springs 7. If these springs are omitted all the punches will (when the carrier 4 is in the raised position shown in Fig. 3) be at the same level as the five punches 6 which Fig. 3 shows in engagement with the selector, 8, the weight of the punches causing them to drop to such posi-.

tion. In this case, therefore, the shifting of 'the selector 8' forwardly or rearwardly will not raise or lower any one of the punches. Still such shifting of the selector will bring some of the punches (those engaged by the selector) into active or ready condition, so that upon lowering the carrier 4 these punches will be driven through the card by the selector, in exactly the same manner as described above. The other punches, however, which do not engage the selector, will remain inactive, and when the downward movement of the carrier 4 brings these inactive punches against the card, the latter will simply act as a stop to hold such inactive punches stationary while the carrier 4 continues to move down and drives the ready or active punches through the card.

After each punching operation, the slide 3 is to be fed lengthwise of the 2, a distance corresponding to the interval guide bars between two successive rows of perforations of the finished card. For this purpose, the following mechanism has been provided, in the axample illustrated? In a housing 14 carried by the slide 3 on the outer side of its rear wall, is contained a spring of wellknown type having a tendency to rotate the shaft 15 journaledin said slide and extending from front to rear, that is, transversely ofthe guide bars 2. On this shaft is secured rigidly a pinion 16 in mesh with rack teeth on the forward guide bar 2. The shaft 15 also carries rigidly a .pinion 17 co-operating with'a double pawl or escapement pawl 18 spring-pressed toward the position shown in Fig. 5. The carrier 4 is provided with a pin 19 extending rearwardly through a vertical slot 3" in the rear wall of the slide 3. With this pin is connected pivotally a link 20 the upper end of which has a similar connection with alever 21 fulcrumed on a plate 22 which" is normally stationary relatively to the slide 3. The endof the lever 21 facing the pawl 18 is provided with a pivoted dog 21' normally held down by a spring 21". When the punch carrier 4 moves downwardly, the dog 21 comes in contact with a projection or lug 18' on the pawl 18, the dog yielding by swinging on its pivot, so that the pawl 18 remains in the position illustrated-by Fig. 5. During the .upward' or return movement of the carrier 4 (after the punching operation), the dog 21' engages the shoulder at the lower end of the lug 18 and thus swings the escapement pawl 18 (clockwise in Fig. 5) to enable the ratchet 17 to perform a partial rotation and feed the slide 3 by the co-operation of the pinion 1 with the rack teeth on the forward bar 2.

The plate 22 has been shown as adapted toswing, and to be secured in difl'erent positions by means of a set screw 28' passing though an arcuate slot in said plate. This arrangement enables me to adjust the lever 21 toward or from the pawl 18, so as to'secure the proper co-operation of these parts. Various modifications may be made with out departing from the nature of my invention as set forth in the appended claims.

-I claim:

1. A punching machine comprising a punch carrier movable toward'and from the article to be perforated, a plurality of punches mounted on said carrier movably,

" and a selector likewise mounted on said carrier movably and determining, according to its position, which of'said. punches shall be active during the movement of the punch carrier toward said article, one of said the others at the portion controlled by the selector, and the latter having portions movable in difierent paths for the control of the respective kinds of punches.

2. A machine according to claim 7, in

which the selector has a'wide end to co-oper-' ate with a\ forkedportion on one of the punches, and a relatively narrow rib extending lengthwise of the path of said selectoi and adapted to be straddled by said forked portion so as not to affect it, the other punches having portions adapted for engagement with said longitudinal rib.

3. A punching machine comprising-a support for the article to be perforated, a slide movable in a plane parallel to that of said su ort a unch carrier movable in unison with said slide andalso movable relatively thereto toward and from said support, punches mounted on said carrier movably, and a selector likewise mounted on said carrier movably, the position of said selector determining which of said punches shall be active during the movement of the punch carrier toward said article, and a feed mechanism, operated by the movement of the carrier away from said article, for moving the said slide stepwise.

4. Apunching machine comprising a sup port for the article to be punched, a punch carrier movable toward and away from said support, a plurality of punches movably mounted in said carrier, a selector movably mounted on said carrier and determining, according to its position, which of said punches shallbe active during the movement of the carrier toward the support, and escapement mechanism actuated by movement ofsaid punch carrier for moving said carrier stepwise relative to said support.

5. A punching machine comprising a supportfor the article to be punched, a punch carrier movable toward and away from said support, a plurality of punches movably mounted in said carrier, a selector movably mounted on said carrier and determining, according to its position, which of said punches all be active during the movement of the carrier toward the support, a rack and a spring-pressed pinion co-operating to urge said carrier lengthwise of said rack, and escapement mechanism actuated by movement of said punch carrier to permit stepwise.

,In testimony whereof, I have signed my name to this specification.

GUSTAV TAUSCHEK.

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