US935340A

US935340A - Paper-cutting device.

Info

Publication number: US935340A
Authority: US
Inventors: Charles Van Middlesworth
Original assignee: DYCK GRAVURE Co VAN
Current assignee: VAN DYCK GRAVURE Co; DYCK GRAVURE Co VAN
Priority date: 1908-11-23
Filing date: 1908-11-23
Publication date: 1909-09-28
Anticipated expiration: 1926-09-28

Description

G. VAN MIDQLESWORTH. PAPER GUTT-ING DEVICE.

APPLICATION IILBD NOV. 23, 1908. 935 ,340, Patented Sept. 28, 1909.

2 SHEETS-SHEET 1.

C. VAN MIDDLESWORTH. PAPER CUTTING DEVIGE.

APPLICATION FILED NOV. 2a, 1909. ,340, Patented Sept. 28, 1909.

2 SHEETS-$331121 2.

UI HHW U 1141.10, m/foz My eu'foz umf CHARLES VAN MIDDLESWORTH, F BROOKLYN, NEW

YORK, ASSIGNOR T0 VAN DYCK GRAVURE COMPANY, OF NEW YORK, N. Y.

PAPER-CUTTING :onvrcn.

Specification of Letters Patent.

Patented. Sept. 28, 1909.

Application filed November 23, 1908. Serial No. 464,095.

To all whom 'it may ooncem:

DLES'WORTH, of Brooklyn,

Kings and in the State of New York, have invented a certain new and useful Improvement in Paper-Cutting Devices, and do hereby declare that the following is a full, clear,

' and exact description thereof.

. My invention relates to an in cutting mechanisms,

, cutting mechanisms designed to be used in of paper into sheets. i It relates especially to a cutting mechanisn which is adapted to out the sheet of paper while the same is in motion, the mechanism constituting in by which I accomplish this part a traveling knife.

A further feature of my invention comprises mechanism 'by which one of the cutting edges of the knife is given a shearing to the other cutting motion -.with relation edge, so as to insure an effective cutting of the sheet at each cutting operation of the.

ife.

I have shown one embodiment of my invention in the accompanying drawings, in.

Whichside of the machine, side frame atthe other side thereof not shown, for sup parts. A traveling web of paper is adapted to be led into the machine beneath a feed roller 2 which has a plurality of cooperating feed rollers 3 located beneath the same. The paper after passing beyond the rollers 2 and 3 led be 4, which are supported upon stationary arms 5 projecting from one portion of the frame 1. Between the rollers 2 and 3 and the rollers 4 there is a reciprocat' knife-frame 5 the lower end of which is pivoted in journals 16 at the lower end of the frame, as shown in Fig, 1. The frame 5* carries at its upper end a transverse horizontal knife 7 having at one side a cutting edge 8, said knife being supported upon a bracket 9 by and especially to orting the various movable tween a pair of small guide rollers means of screws 10. The other knife, or Be it known that I, CHARLES VAN Mm-:

in the county of' lower-knife 11, is supported for reciprocation in an approximately vertical direction Within the slots 12, there being one of these slots at each :end vof the frame 5. able plate 13 is situated at each side of the frame 5 for the purpose of retaining the 5 ends of the lower knife 11 within the slots improvement? A remov- 12. These plates are locked into position by means of lock nuts 14, shown in Fig. 3.

1 The two ends of the lower knife 11 are adaptprmtmg presses for cutting a traveling strip ed to be neciprocated independently of each other through the agency of links 15, one of which is situated at each side of the fra1n e 5 The upper end of each of these links is attached by screws 16 to the knife 11. At

the lower end of each of the links 15 there is I attached a spring LIZ, one end of which is extended around a shaft 18 passing from one side of the frame 5 to the other. The

springs 17 normally hold the knife 11 in its lowermost position, and in order to effect the raising of the knife-fat the proper'times, I make use of a cam mechanism which I will new describe.

Each of the links 15 has pivoted thereto near its center at 19 a lever 20, which lever 20 pivoted to one of the side frames 1 span the journals 2L The'levers 20 carry at their free ends rollers 22, each of which is designed to run'u-pon a cam 23. The cams 23 are situated upon anddriven in unison with .a shaft,24, :upon which the feed rollers3 are located' The cams 23, however,

portions thereof do not register with each (other, the zefiect of this arrangement be1ng such that one of the levers 20 and its at tached roller 22 is operatw upon by one of the cams 23 before the corresponding lever and itsztoller on the other side of the frame 5 is operated upon-by the remaining cam 23. As a result, one side of the reciprocating knife 11 is raised prior to the elevation of the other side thereof, thus producing a shearing action between the knife 11 and 5 the knife 7. At the same time that the shearing action is taking place, the frame 5 carryin the knives 7 and 11 1s caused to travel forwardly in the same d1rect1on as, and with the same speed as the traveling web of paper, this being effected by a large camy25 also situated on the shaft 2% and adapted to operate upon a roller 26 pivoted directly upon the frame 5". The frame 5 are located in such a manner that the high In the drawings, 1 is a side frame at one there being a similar is maintained in contact with the cam 25 by. a spring 25* connecting the upperendot the frame with the standard 1. The trav cling web of paper is thus out while situated at a point between the rollers 2 and 3.

The cut sheets after being fed through the rollers 4 are received by gripping mechanisms carried upon a rotary rrame 27 jourthe other and situated on opposite sides of the end members 29. Near the ends of the end members 29 T have located two shafts 32 which are movablycarried in said members. The shafts 32 carry a plurality of gripper fin ers 33, the ends of which extend over the e ges of the longitudinal bars 31.

To the shaft 32. I also attach lever arms 34.

carrying in their ends rollers 35 which are designed to run'over the surface of a stationary cam 36 attached to the side frame 1. The rollers 35 are maintained in contact with the cam 36 through the action of springs 37 attached at one end to the lever arms 34 and at the other end to the end members 29. When the rollers 35 are in contact with the cam 36 the gripper fingers 33 are raised so as to be in the position to receive a sheet of paper. When, however, the rollers 35 have passed beyond the cam 36 the fingers 33 are adapted to be seated upon the longitudinal bars 31 so as to firmly grip thesheet of paper. The upper feed in "er 2 is connected by a band 38 to the upper feed roller 4 so as to provide power for positively driving the teed rollers 4.

The lower rollers 3 are connected by means of a chain 39 and sprockets 40 and 41 with the shaft 30," so as to positively drive the rotary frame 27.

In order to insure that the aper will be received between the opening gers 33 and agalnst the longitudinal bar 31 cooperating therewith, I provide an automatic mechanism for projecting the ed e of the sheet of paper into the teeth of t 'e grippers. The same portion of the frames 1 WhlCll carries the stationary arms 5, also supports at each side of the .device an additional stationary.

arm 42, said arm 42 carrying therein a movable shaft 43, which shaft carries a series of fingers 44. These fingers 44 are supported within brackets 45, in whiohthey may be adjusted by the movement of screws 46.

The brackets 45 are also adjustable upon the shaft 43 by the adjustment of screws 47 passing through the bodies of the brackets.

-. cease as nearest to one end of the Shaft 43 is "p1 '0jeoted into the path of movement of a pin 48 carried upon each end of one of the end'members 29. The remainingfingers 44 are set at a difierent angle, as

' shown in Fig. 1,.so' that when the first mentioned finger 44 is moved by contact with the finger 48, the remainin fingers 44 are caused to project the trace ge of the paper into the jaws of the grippers.

In the operation of the device, a traveling web of paper is fed between the rollers 2 and 3. and is thence guided between the feed rollers 4. Between the rollers 2 and 3 and the rollers 4 the reciprocating knife is adapted at proper intervals, regulated by the position of the cam 25 and by its speed, to cut the web of paper into sheets. This is etlected by the frame v.5 being caused to travel at the same rateof speed, at-the point thereof where the knives are situated, with the web ofpaper, and the simultaneous ele vation ofthe knife 11 with a shearing movement against the edge of the upper knife 7. The severed sheets of paper after passing through the rollers 4 are grasped by the grippers 33, and having been carried around with the rotary frame 27 are deposited in the usual manner beneath the rotaryirame 27 whence they may be removed in any desired Wa It will be observed that whenever the rol ers 35 are in contact with the .cam.36 the grippers will be-in their open position.

paper. As each set of grippers reaches the lace Where the free edge of a sheet of paper is to be grasped, the pin 48 adjacent thereto 'comes into contact with one of the fingers44 so as to-move the remainingfingers 44 down-. wardly and project the sheet of paper into. the jaws of t character the sheet of. pa 'r would not be always fed into the open aws of the gripe grippers. u;l f it were, not "for the provision of some mechanism of this- Whilel have describedinyinvehtion above. in detailyl wish it'to'beunders'tmd that I consider my invention be abroad one and capable of many changes and; adaptations I claim:

1.. In a device of without departingfrom.the'spiritthereof.

the" character described,

the combination ofmeans for moving a sheet of paper, a reciprocating cutting device,

means for moving it with the, movable sheet of paper, and means for giving the cutter a scissors-like shearing movement to sever the paper by cutting the same from one side to and through the other side. l

2. In a device of the character described, the combination of means for moving a sheet of paper, a reciprocating cutting device, means for moving it atthe same speed as the movable sheet of paper, and means for giving the cutter a scissors-like shearing movement to sever the paper by cutting the same from one side to and through the other side.

3. In a printing press, a pivoted reciproeating knife carrying a plurality of knives, and means to move said knives so as to produce a scissors-like shearing movement beginning at one side and extending to and through the other side.

4. In a device of the character described, the combination of a rocking frame, a horizontal flat knife carried thereby and a vertical knife carried thereby.

5. In a device of the character described, the combination of a rocking frame, and two knives thereon, one of which is reciprocable to produce a scissors-like shearing action of the knives beginning at one side and extending to and through the other side.

(3. In a device of the character described, the combination of a rocking frame, two knives thereon, one of which is reciprocable, and movable cams to effect said reciprocation of the knife upon the frame to produce a scissors-like shearing action of the knives.

7. In a device of the character described, the combination of a rocking frame, two knives thereon, one of which is reciprocable to produce a shearing action of the knives, and movable cams to effect said reciprocation of the knife upon the frame to produce a scissors-like shearing action of the knives.

8. In a' device of the character described, the combination of a rocking frame, two knives thereon, one of Which is reciprocable,

and non-alined movable cams to effect said reciprocation.

9. In a device of the character described, the combination of a rocking frame, two knives thereon, one of which is reciprocable to produce a shearing action of the knives, and non-alined movable cams to effect said reciprocation.

10. In a device of the character described, the combination of a rocking frame, means for reciprocating the same, comprising a movable cam, a knife, a reciprocable knife on said frame, and cam-mechanism for reciprocating the knife to produce a scissors like shearing action of the knives.

11. In a device of the character described, the combination of a rocking frame, means for reciprocating the same, comprising a movable cam, a stationary knife, a reciprocable knife on said frame, and cam-mechanism for reciprocating the knife to produce a scissors-like shearing action of the knives.

12. In a device of the character described, the combination of two knives, one of which is reciprocable, and a cam for independently operating each end of the reciprocable knife for giving it a shearing action.

13. In a device of the character described, the combination of two knives, one of which is reciprocable, a lever attached to each end of the reciprocable knife, and a cam for cooperating with each of said levers inde pendently to produce a shearing action of the knives.

In testimony that I claim the foregoing I have hereunto set my hand.

CHARLES VAN MIDDLESWORTH.

Witnesses:

CHARLES W. SAALBURG, A. R. RICHARDS.