US651109A - Cutting-machine. - Google Patents

Description

Nb..e5!,|09. Patented June 5, I900.

A. Emanson. cumma' MACHINE.

. (Application filed Sept. 8, 1899.) (N9 Model.) 2 Sheets-Sheet I.

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CUTTING MACHINE.

(Application filed Sept. 8, 1899.

(No Model.) 2 Sheets-Sheet 2.

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U ITED STATES PATENT OFFICE.

ALBERT EMERSON, OF BOSTON, MASSACHUSETTS.

CUTTING-MACHINE.

SPECIFICATION forming part of Letters Patent No. 651,109, dated June 5, 1900.

Application filed September 8, 1899. Serial No. 729,828. (No model.)

To aZZ whom it may concern:

Be it known that I, ALBERT EMERSON, of Boston, county of Suffolk, State of Massachusetts, .have invented certain new and useful Improvements in Cutting-Machines, of which the following is a full, clear, and exact description.

In trimming bound pamphlets three cuts are required, one opposite the fold or back and the others at the ends. To expeditiously do this work, it is usual to employ two cutting-machines, one for making two of the required cuts and the other for the remaining trimming cut. The double-cut machine has its brackets or stops suitably fixed at the proper distances, and the pile of publications is first pushed back against one bracket and cut and then turned and pressed back against the other bracket for the other out. The attempt has been made to enable a single machine to make all three cuts by providing it with three brackets set at the different distances; but this necessitates a larger and more expensive machine for all but smaller periodicals and actually effects but a slight saving in time and expense over the usual method.

The object of my invention is the construction of means whereby a single cutting-machine can be adapted without enlargementor change to trim all three edges of even the largest publications, and I accomplish this by providing one of the steps or brackets with a removable facing equal in thickness to the amount to be trimmed from one end of the publication. By such a construction the pamphlets can be first placed against the fixed bracket and their frontedges out, then have one end set against the other bracket with its facing removed and the opposite end out, and finallysaid facing replaced, the pamphlets turned about and set against it, and the last out made.

Referring to the drawings forming part of this specification, Figure 1 is a perspective View of portions of a cutting-machine havin g my attachment applied thereto. Fig. 2 is a plan view of the two brackets of a cuttingmachine, one of which is provided with my removable facing. Fig. 3 is a side elevation of the same, and Fig. A is a side elevation of the same with said facing removed.

able facing is as follows:

Referring to Fig. 1, the parts of the cuttingmachine illustrated comprise, mainly, the table 31, the knife 32, the bracket 30, the guides 33, and the strap 34:, by which the knife is drawn down and made to perform its work.

2 is the bracket, to which my removable facing 1 is applied, and my preferable method of applying this facing is by means of the dovetail grooves 4, planed in the bracket, and the dovetails 3 of said facing fitting the same. This is shown more clearlyin Fig. 2. To remove this facing, all that is needed is to raise it higher than the pile of pamphlets, and to replace it, to slide it down again to the table. My means for suitably actuating this remov- Rising from the bracket 2 is a standard 7, carrying at its upper end a swiveled block 8, and supported by the posts 33 is a similar swiveled block 9. At tached to the facing 1 bya hook 6 and passing through said blocks is a chain or other flexible connection 5, and adjustably fixed upon this chain is the collar ll. 'The hand 10 is affixed to and moves with the strap 34 and is adapted to loosely inclose the chain 5 just above said collar. Hence when the knife descends in cutting the pamphlets said hand moves with it and striking said collar, pulls the chain 5 and raises the facing 1; but it is necessary to keep this facing elevated for a suitable interval and then to permit it to descend just before the final cut is made. The mechanism for .this purpose comprises the arm 15, pivoted to the floor and connected at its free end with the chain 5 the catch 22, adapted to engage said arm, and means for disengaging said catch. Said arm being suitably weighted, when the chain 5 descends and the facing 1 rises the catch 22 engages and holds these parts while the knife returns. The catch 22 is disengaged from the arm 15 by means of the treadle 29, shaft 27, supported in bearings 28, arm 26, and rod 25, joining said arm 26 with the tail 23 of the catch 22.

Bypressing the foot upon this treadle the catch is thrown away from the arm 15 and the latter released. The weight 18, held in place upon the arm 15 by the set-screw 19, serves to partially counterweight the facing 1 and so prevent the latter from descending to the table 31 with too great a shock.

I do not connect the chain 5 directly with the arm 15, but use a slender rod 12, formed with a elefthook 13 at its upper end, adapted to attach itself to any part or link of the chain 5. The purpose of this is to permit the cntting-machine to be adjusted for different sizes of pamphlets. When the bracket 2 is set forward or back, the chain 5 is shortened or lengthened accordingly by simply engaging the hook 13 with the proper link thereof, the shoulder 11 being adjusted to the required point.

The object in having the blocks 8 and 9 held by swivel-j0ints, as above described, is to keep their pulleys in suitable alinement with the chain 5 notwithstanding the extent to which the bracket 2 may be adjusted toward or from the knife.

The manner of operation of this cuttingmachine is as follows: Having placed a pile of pamphlets upon the table with their backs set against the bracket 30, the machinery is set in motion and the first cut made. This first action serves to raise the facing 1 and to lock it in such position, as above described, so that the operator has nothing to do but turn the pamphlets and thrust one end against the bracket 2, as shown in Fig. 4, where the dotted line indicates the path of the descending knife. As new the operator (this second out having been made) is turning the pile of pamphlets end for end he touches the treadle 29 with his foot, and the facing 1 slides down into the position shown in Fig. 3, \vhereit receives and positions the pamphlets, with their uncut ends ready for the final trimming action of the knife.

I have found that one of my improved cutting-machines and a single operator are capable of turning off more work than two inachines of the usual type with two or three men. There are several reasons combining to produce this result, but the main one is this: In the present machines an operator cuts the front and one end edge of a number of pamphlets and piles them upon a bench near by. The operator on the second machine then takes the pamphlets from this pile and proceeds to make the final cut, but when taking the pamphlets finding it necessary to jog them up, as they of necessity become more or less displaced while being piled up. It is mainly the placing of the pamphlets upon the bench and removing them therefrom and jogging them up which consumes the time of the operators, so that two men and two machines of the usual form can trim fewer pamphlets than a single man on one machine having my attachment applied thereto.

1. In a cutting-machine, the combination of the vertically-reciprocative knife, the bracket or gage, the facing adapted to be applied to orremoved from said gage, means whereby the knife-actuating mechanism can automatically remove said facing, a lock for retaining said facing in its removed position, and means whereby the operator can release said facing from said lock and permit it to return to said gage, substantially as set forth.

2. In a cutting-machine, the combination of the vertically-reciprocative knife, the bracket or gage, the facing vertically slidable on said gage, means whereby a movement of said knife can raise said facing, a lock for retaining said facing in its elevated position, and means whereby the operator can release said facing from said lock and permit it to descend to its position on said gage, substantially as set forth.

3. In a cutting-machine, the combination of the vertically-reciprocative knife,the bracket, the facing vertically movable on said bracket, the suitably-supported blocks, the flexible connect-ion passing from said facing through said blocks, the collar on said connection, the hand movable with said knife and adapted by its engagement with said collar to pull said flexible connection, the pivoted arm having its free end supported by said flexible connection, the catch adapted to hold said arm when lowered, and the treadle adapted to free said arm from said catch, substantially as set forth.

4. In a cutting-machine, the combination of the cutting-knife, the bracket, the post or standard rising therefrom, the swiveled block at its upper end, the facing vertically slidable on said bracket, the swiveled block supported by the framework of the cutting-machine, the apertured hand movable with said outting-knife, the chain attached to said facing and passing therefrom through said blocks and down through said apertured hand, the collar ad justabl y secured to said chain below said hand, the hooked rod adjustably attachable to said chain, the pivoted arm havingits free end supported on said rod, the adjustable weight on said arm, and the latch for engaging the free end of said arm, substantially as set forth.

In testimony that I claim the foregoing invention I have hereunto set my hand this 23d day of August, 1899.

ALBERT EMERSON.

\Vitnesses:

A. B. UPI-1AM, LOWELL M. MAXH AM.

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