US665102A - Machine for cutting cards. - Google Patents

Description

No. 665,|02. Patented Jan. mm.

.1. T. JUNGEB. MACHINE FOB CUTTING CARDS.

(Application filed Sept. 1, 1900.]

2 Sheets-Sheet I.

(No Model.)

No. 665,l02. Patented Ian. I, l90l.

J. T. JUNGER.

MACHINE FOR CUTTING CABDS..

(Appliction filed. Sept. 1, 1900.)

2 Sheets-Sheet 2.

(No Model.)

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Nrrnn STATES PATENT @FFICE.

JOHN THEODORE JUNGER, OF JERSEY CITY, NEW JERSEY.

MACHINE FOR CUTTING CARDS.

SPECIFICATION forming part of Letters Patent No. 665,1Q2, dated January 1, 1901.

Application filed September 1, 1900. Serial No. 28,830. (N0 modem To all whom it may concern:

Be it known that I, JOH THEODORE J UN- GER, a citizen of the United States, residing in Jersey City, Hudson county, in the State of New Jersey, have invented a certain new and useful Im provement in Machines for Cutting Cards, of which the following is a specification.

My machine efiects the second cutting and takes the place of the heretofore-used machines for that purpose. It is customary to manufacture cardboards in large sheets and divide the sheets by cutting in parallel lines by the aid of a gang of revolving shears or by other suitable means. The strips thus produced, which I will term strips of cardboard, although they may be corresponding strips of other thin cuttable material, are subsequently divided by a series of parallel cuts, producing cards of the desired uniform length and breadth. My machine efiects this latter cutting. Its use requires little labor or skill, and it attains unusual certainty and precision in the effect. Among the benefits are, first, the easy and quick adjusting or changing of size by turning the single screw L, which can bevaried with any degree of nicety without stopping the machine; second, the accurate feeding, and consequently perfect uniform cutting, due to the fact that the slides H being moved by the same mechanism are certain to simultaneously raise or depress both ends of the roll M and with absolute uniformity; third, the directness of the connections of the feeding and clamping devices allows the parts to be light, so that there is very little inertia, and the speed of the machine may be such that four experienced card-cutters working by hand cannot prod uceas much work, and, fourth, the arrangement allows a machine for cutting all ordinary sizes of cardboard to be so small that it can readily be placed at any convenient point.

By reason of the clampingroll T being geared to the upperfeed-roll R and both revolved by the motion of the main feed-roll M, both being lifted directly by the rising of the said main feed-roll and lowered directly by front edge of the strip of cardboard strikes such ordinary gage the automatic feed is relaxing its grip. It is certain to complete the feeding, but does not too strongly force forward.

I provide, in addition to the pair of rollers which automatically feed, a separate small roller lying immediately adjacent to the knife arranged to grip the strip of cardboard. firmly between itself and a fixed surface below while the forward motion is stopping and before the knives commence to act. This gripping or clamping roller-is lifted, so as to be of no effect during each feeding movement, and is lowered, so as to clamp at the termination of such feeding movement.

I have devised mechanism by which the feed may be varied within wide limits. and make the actions synchronous, so that simultaneously with the striking of the strip of cardboard against the fixed gage the action of the feed-rolls is relaxed and the clamping is induced.

I have devised simple and efficient mechanism for accomplishing the several movements.

The following is a description of what I consider the best means of carrying out the invention.

The accompanying drawings form a part of this specification.

Figure 1 is a rear elevation showing all the novel parts. Fig. 2 is a corresponding plan view. A strip of cardboard is shown in dotted lines in this figure. Fig. 3 is a longitudinal section seen from the, right on the line 3 3 in Figs. 1 and 2. Fig. i is a corresponding section on the line 4. 4 in Figs. 1 and 2. In Fig. 3 the feed-roll is lowered into its ineffective position and the strip of card is being held by the clamp. In Fig. 4. the main driving-shaft is revolved a quarter-revolution, holding the feed-roll up in its working position. Fig. 5 is a side elevation on a smaller scale. Fig. 6 is a plan view of certain portions. Fig. 7 is a cross-section of a portion on the line '7 7 in Fig. 6.

Similar letters of reference indicate corresponding parts in all the figures where they appear.

A indicates the fixed parts, certain portions being designated by supernumerals.

A is the lower knife, supported on the stout fixed framing of cast-iron.

Bis the main shaft, revolved by a belt from aline-shaftrunningon pulleys. (Notshowu) B B are eccentrics operating through eccentric straps and rods C to give the required reciprocating motion to a cross-head I), guided in vertical ways in the upperportion A of the framing and carrying the moving knife D.

The strip of cardboard is fed forward horizontally from a level table A and guided by a side gage A. An attendant supplies the several strips of cardboard as required, pressing one edge of each with gentle firmness lat erally against the side gage A and pushing it forward until it is seized by the feed-rolls. So far as yet described the machine is of an ordinary and long-approved character. My mechanism feeds the cardboard forward more perfectlyand rapidly thanhandwork, and the breadths of the cards out are more absolutely uniform.

B is an eccentric carried on the main shaft B, which, through an eccentric strap E and rod E, connects to a horizontal lever G, turning on a fixed pin A and giving reciprocating motion to the front end of a compound link to be presently described. This link connects to a knuckle at the mid-length of a cross-bar H, which connects two parallel bars H, which are capable of sliding endwise in fixed bearings A The bars H are formed each with an offset h on its upper face, which offsets mainly control the feed, though there is a secondary provision which determines the final measure at each movement.

Levers I I (one on each side of the machine) are each fitted to turn loosely on the shaft B as a center. They carry the bearings of what I call the principal feed-roll M and can be raised and lowered. Each is pressed downward by a gentle coiled spring A housed in a screw A", which can be adjusted up and down by turning, so as to vary the tension. Each lever has a side pin I, which carries a small roller 1 which roller rests always on the corresponding slide-bar H. The reciprocating motion of the two parallel rods H, acting by the offsets 72. on the respective rollers 1 simultaneously raises and lowers the lever I on each side of the machine, and consequently the roll M, to a snfficient extent at each revolution and holds it raised for a period which may be varied by adjusting the motions of bar H.

The compound link is formed in two parts J and K, connected by a screw L, turned by a hand-wheel L. The screw is carried in the part K by a hearing which embraces it between collars L L and is tapped through a lug J on the part J. Theparts J and K are guided each by the other by a longitudinal rib in one being received in a slot in the other. (See Fig. 7.)

The main shaft B carries a gear-wheel 13'', which engages with a gear-wheel M on the feed-roll M and insures its continuous revolution under all conditions. The feed is effected only when the rearward motion of the slides H carries the offsets h each under its proper roller I so that the levers I and the lower feed-roller M are raised and are discontinued, when the return of the offsets allows the feed-roll M to sink and liberate the strip of cardboard.

On each side of the table A at the top and sufficiently in advance of the feedrolls, are lugs A to each of which is pivoted a lever P, which is depressed by springs O, and which levers carry rollers R and T, provided, respectively, with gear-wheels R and T, these gears being engaged together by an idle gearwheel S. The roller R is mounted over the main feed-roll M and cooperates therewith. I will term it the upper feed-roll. The other small roll T performs the important function of clamping the strip of cardboard simultaneously with its release by the feedrolls M R and releasing it leaves it free to be fed forward so soon as the feed-rolls M R are closed together so as to commence to act.

The roll T by its capacity for revolving a little as the cardboard stops and starts gives a gentle action eminently adapted to the treatment of delicate material, and the ca pacity for firm adjustment allows such rolling clamp to be made perfectly efficient and. reliable even in working with wide varieties in speed.

In the operation of the machine the attendant, laying a strip of cardboard on the table A with one edge against the side gage A presses it gently forward. If the feed roller M is down, as it should be for this movement, the card will enter freely between it and the upper feed-roller R and be arrested against the clamping-roll T, which in the absence of any card under it lies directly on the narrow fiXed support A below. When the rearward motion of the slides H brings the offsets h under the rolls 1 it thereby raises the latter, and consequently raises the feedroll M into contact with the under face of the strip of cardboard and, acting through such material, lifts the upper feed-roll R, and with it the levers P and the clamping-roll T, against the force of the springs 0. Under these changed conditions the revolving motion of the feed-roll M, acting frictional ly on the strip of cardboard, moves the latter forward, and the strip of cardboard by its friction against the upper rolls R and T causes these rolls to turn. Thus conditioned, the strip-of cardboard is fed forward, the upper knife D having been previously raised out of the way. The length of time during which this feeding movement obtains depends on IIO how the compound link J K L has been lengthened or shortened, so as to reciprocate the bars H, with their offsets h, farther forward or rearward. The parts of the link must be so set as to allow the feed-roll M to sink when the strip of cardboard has been fed forward to about the proper extent. The feed is then allowed to stop. Ido more than that in two important respectsfirst, by clamping the cardboard, and, second, interposing as additional to my mechanism an ordinary stationary gage. The sinking of the feed-roll M effects not only the release of the strip of cardboard from the impelling action of thefeed-rolls M and Band allows the card material to remain stationary, but also by the same act the lowering of the levers P lowers the clamping-roll T, so that it clamps the strip of cardboard between itself and the portion A of the framing below. This fixed surface, coacting with the clamping-roll T, gives a gentle but reliable grip on the strip of cardboard at the instant of its release from the feeding-rolls M B, so that it is not only permitted to remain motionless, but is positively held so. This condition obtains while the upper knife, actuated by the strong eccen trio-rods C in the usual manner, smoothly severs the strip of cardboard, allowing the portion which has been fed forward beyond the cutting-line to fall as a completed card. In practice a curved sheet of metal serving as a removable shield (not shown) covers the otherwise-exposed portion of the main shaft and makes a smooth passage for the card to fall. The remainder of the strip of cardboard is thus held by the clamp-roll T pressing it on the fixed surface A until the upper knife has'again risen. Soon afterward the offsets 72 again act on their respective rolls 1 and lift the lower feed-roll M, and the series of operations are repeated.

The mechanism above described will of itself determine the breadths of the several cards quite accurately; but for absolutely exact fcedingl employ therewith a gage W, carried on parallel sliding bars W, which may be adjusted with great nicety and held by pinching-screws X. These parts may correspond to similar parts in the long-approved gage used to aid in cutting cards by hand; but their function in this combination is simply to attain the last increment of adjustment of the width of the cards. In adjusting the parts this gage W may be first firmly and exactly set in the position to give the desired width of card, and the link J K L may he afterward lengthened or shortened until it gives a feed which automatically brings the front end of the strip of cardboard in contact with the gage W just before the forward motion due to the action of the feed-rollers M R and the gentle terminal action due to the momentu m of the clamping-roller T would terininate. My experiments show that it is practicable to adjust these parts to attain this end without inducing any difficulties.

Modifications may be made without departing from the principle or sacrificing the advantages of the invention.

The forms of the details may be varied. Any ordinary or suitable means may be employed for adjusting the bearings to allow for different thicknesses of the material to be out or for wear or imperfections in the workmanship. It will be understood that instead of card, so termed in the tgade, I can out other material, as paper, briistolboard, or mill-board.

Parts of the in vention may be used without the whole. I can dispense with the supplementarygage W and still make the cards of sufficiently uniform hreadths for many business purposes. The machine will serve usefully at tolerable speeds without the adj ustable springs A I claim as my invention 1. In a card-cutter having a reciprocating knife and operating means therefor, the combination therewith of a continuously-turned feed-roll and provisions for holding it in contact with the strip of cardboard for variably and exactly determined periods, and also of means for clamping the strip of cardboard as the feed-roll releases it,by means of the clamping-roll T rising and sinking relatively to the surface A by the rising and sinking of the main roll M acting directly, all substantially as herein specified.

2. In a card-cutter having a cutting-knife and operating means therefor, acting relatively to a fixed knife to cut the strip of cardboard transversely, the combination therewith of a con tinuously-turned feed-roll M carried in rising and sinking lovers 1, slides H carrying offsets h, the main shaft B guided by the aid of the compound link J K to reciprocate such slides in more or less advanced positions to determine the extent of feeding, all substantially as herein specified.

3. In a card-cutter having a reciprocating knife and operating means therefor, acting relatively to a fixed knife to cut the strip of cardboard transversely, the combination therewith of a continuously-turned feed-roll M carried in rising and sinking levers I, the clamping being effected by a roller carried in the levers P and geared to the intermittentlyturned feed-roll R, all substantially as herein specified.

In testimony that I claim the invention above set forth I affix my signature in presence of two witnesses.

JOHN THEODORE JUNGER.

Witnesses:

THoMAs DREW STETsoN, M. F. BOYLE.

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