US735166A - Paper-cutter. - Google Patents

Paper-cutter. Download PDF

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Publication number
US735166A
US735166A US1902106857A US735166A US 735166 A US735166 A US 735166A US 1902106857 A US1902106857 A US 1902106857A US 735166 A US735166 A US 735166A
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Prior art keywords
punch
die
paper
frame
holder
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Edson J Smith
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B26HAND CUTTING TOOLS; CUTTING; SEVERING
    • B26FPERFORATING; PUNCHING; CUTTING-OUT; STAMPING-OUT; SEVERING BY MEANS OTHER THAN CUTTING
    • B26F1/00Perforating; Punching; Cutting-out; Stamping-out; Apparatus therefor
    • B26F1/32Hand-held perforating or punching apparatus, e.g. awls
    • B26F1/36Punching or perforating pliers
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T83/00Cutting
    • Y10T83/869Means to drive or to guide tool
    • Y10T83/8776Constantly urged tool or tool support [e.g., spring biased]
    • Y10T83/8785Through return [noncutting] stroke
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T83/00Cutting
    • Y10T83/929Tool or tool with support
    • Y10T83/9411Cutting couple type
    • Y10T83/9447Shear type

Definitions

  • PAPER-CUTTER SPECIFICATION forming part of Letters Patent N 0. 735,166, dated August 4, 1903.
  • the invention relates to an improved paper-cutter, and essentially to the means by which cards may be severed from a stripof cardboard and simultaneously may be cut i5 with rounding corners.
  • the invention comprises also means for the retention and adjustment of the aforesaid punch and die, together with animproved mechanism for actuating the punch.
  • FIG. l shows my device in front elevation from the lines l l of Fig. 2.
  • Fig. 2 is a vertical section upon the line 2 2 of Fig. l.
  • Fig. 3 is a horizontal section on the line 3 3 of Fig. l.
  • Fig. 4 shows the punch in detail andthe means forits retention.
  • Fig. showsa strip of paper or cardboard severed in part section by myirnproved cutter and showing 4o especially the rounding corners of the severed card.
  • A represents a frame which is adapted to'sustain several parts of my invention in proper relation of position and adjustment to one another. It
  • the frame A is held in place by any suitable means of support. I have shown it as extending from and of integral attachment with a bed or table A', upon which the strip of paper or cardboard is placed in readiness 6o to be fed through the opening a2 and severed. (See Fig. 2.) This, however, is only a convenient order of arrangement.
  • the frame A may make connection with any other support, and even itsoWn construction may Well be varied.
  • the holder B' is made rectangular in shape, so as to be contained within the sides a3 of thel frame and to rest upon the seats a4 provided for it.. It is made relatively heavy, with a rectangular vertical recess Within its center, in which the die is contained. It may be of integral formation; but as represented its sides are completed by the detachable side piece b, which has suitable screw connections 8o b. When in place, the holder extends back, so that its interior edge will be contiguous with the edge of the bed or table A and their upper surfacings be continuous in order that the ypaper strip may be freely fed to the die which is contained within the recessed interior of the holder.
  • the die B is made in two detachable sections b2. These sections b2 are made of strips of steel and have,essentially, the upper surfac- 9o ings h3 continuous with the top of the holder and provided with the cutting edges' b4 and rounded cutting ends b5.
  • the strip ot cardboard is of the same width as the card to be cut, and on being fed crosswise the die there is punched or cut out a narrow section d rounding outwardly at either end.
  • the card D not only becomes severed from the strip, but its edges contiguous with the stamped-out sections are made rounding, while the end ot the strip is left with rounding corners, the practical result being that after the end of the strip has once been formed by the cutting of the Waste piece D2 the cards may be cut with rounding corners upon a continuous feeding ot ⁇ the strip to the die, the back edge of the severed card being formed with the front edge of the next inrorder.
  • gage-clamps a5 may be employed, as appear from the drawings.
  • the punch C besides its blade c, which has double cutting edges c and outwardly-rounding walls c2, as above described, may be of any suitable construction.
  • Its holder C comprises the upper cross-bar c3 and the two downwardly-extending bars c4 of preferably integral attachment, the punch being extended between them and along beneath the crossbar c3.
  • the punch is detachably held in place by the screws c5, extending through the vertical bars c4, while a bead c extends into a groove cT along the under side of the crossbar, helps the retention, and secures accuracy of adjustment.
  • the bars c4 are extended down into the recesses 57, cut through the dieholder B', and which are in such relative position and the bars t with such accuracy of adjustment that not only is the punch-holder supported, but as the bars iit down into the recesses the punch is brought in perfect adjustment to conjoin with the die.
  • the blade of the punch it is to be observed, has a shearing edge, so that the paper or cardboard is practically cut instead of stamped out as the punch is depressed.
  • the Waste piece CZ stamped or cut out is forced down through the opening between the edges of the die and falls through the hollow interior of the holder.
  • the punch and sections of the die as being detachable. This is in order that they maybe of dierent sizes or shapes, dependent upon the widths of the strips of paper or cardboard or upon the size or configuration of the card to be cut therefrom.
  • the punch and die-pieces may also be taken out and their cutting edges sharpened When occasion demands or any other repair obtained.
  • the holder C and so the punch C are held in normal elevated position by the coiled spring bs, which rests upon the holder B' and bears up against the exterior ends of the cross-bar.
  • the spring envelops and is supported by the rods b9, which extend up from the holder B' and through the ends of the bar c3.
  • the spring is therefore retained in a permanent position of adjustment and is adapted to become compressed when the punch, or rather its holder, is pressed down and'to exert a lifting action upon it with the release of the operating pressure.
  • the punch C is pressed down by means of t'ne plungers E E', working through the tubular bearings a, extending from the frame.
  • These tubular extensions n.6 are in line with the horizontal cross bar c3 of the punchholder, so that the plungers rest against, and acting simultaneously, press down the crossbar at eitherend, and in order that there may be an equaldistribution of pressure along the length of the bar, and the punch evenly pressed down along its double cutting edge.
  • the plungers are actuated by the toggle or knuckle links e c of the plunger E, and the knuckle links e2 e3 of the plunger E'.
  • the link e is pivoted within the cleft-head of plunger E and the link c at the point e4 between the overhang of the arm e5 and the frame side a, while the link e2 is pivoted within the cleft of the plunger' E and its connecting-link e3 at the point c6 between the overhanging arm e7 and the side of the frame.
  • the thrust-links e8 e9 Connecting with the toggle-links by the same pivots which connect them are the thrust-links e8 e9, which are adapted to straighten the toggle-joints, and so press down the plungers.
  • a bent lever which comprises the operating-arm ew, extending from the side of the frame, and the angular arm extensions e11 cl2.
  • the angular arms e @12 are pivoted at the center of their connection at the point cl3 between the overhanging arms @14 and the side of the frame, so that practically the lever-arm is fulcrumed at this point and when operated its arms e cl2 rotate from the point 613 as a center, and as the one is thrown outward to the right the other is rotated to the left.
  • the ends of the thrust-links es e9 are pivoted to the lever-arm extensions en cl2 by pivot-pins @15 el, which completes the combination of parts, and consequently when the operating lever-arm elo is drawn down its arms c e12 are rotated, each simultaneously through its connectinglinks eS e9, respectively, straighten out the toggles, and the plungers are depressed.
  • the arrangement, proportion, and pivotal points of the parts are such that a most powerful compressing action is obtained, as well as an evenness and facility of movement.
  • a punch having a blade with a shearing edge formed outwardly rounding in reverse directions at either end, and a die having cutting edges separated to receive between them the said blade of the punch, but with a placement and con figuration to conjoin with the said cutting edges thereof in order that a stripy of paper or the like fed between the said punch and die may be severed in a manner substantially as described.
  • a frame offering a housing for the removable holders of a cutting punch and die, said holders and said punch and die carried by the same and made detachable therefrom, means for so connecting said holders that thevpunch-holder will move when depressed in true parallel lines relatively to the die-holder that a proper correlation between the cutting edges of the punch and die may be obtained, a plurality of plungers for evenly depressing the punchholder, and means for simultaneously actuating the plungers.

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  • Life Sciences & Earth Sciences (AREA)
  • Forests & Forestry (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Perforating, Stamping-Out Or Severing By Means Other Than Cutting (AREA)

Description

ATENTED AUG. 4, 1903.
E. J. SMITH.
PAPER CUTTER..
APPLICATION FILED MAY 12, 1902.
2 SHEETS-SHEET 1.
N0 MODEL.
VVITVIEEEEE mi Noaus PETER', co. wor-:MWL Msumm No. 735,166. PATENTED AUG. 4, 1903.
E. J. SMITH.
PAPER GUTTER.
A APPLIUATION FILED MAY 12, 1902. l No MODEL. 2 SHEETS-SHEET '2.
WITNESEEE f :HOT JNO.. wlsmwmrr. u c
UNITED STATES PATENT OFFICE.
EDSON J. SMITH, OE BOSTON, MASSACHUSETTS, ASSIGNOE TO JOHN CARTER,
' OE NEWTON, MASSACHUSETTS.
PAPER-CUTTER SPECIFICATION forming part of Letters Patent N 0. 735,166, dated August 4, 1903.
Application tiled May 12, 1902.
To all whom it may concern,.-
Beit known that I, EDsON J. SMITH, a citi- 'zen of the United States, residing at Boston, in the county of Suolk and State of Massachusetts,/have invented anew and useful Improvement in Paper-Cutters, of which the following is a full, clear, and exact description, reference being had to the accompanying drawings, forming a part of this specica- Io tion, in explaining its nature.
The invention relates to an improved paper-cutter, and essentially to the means by which cards may be severed from a stripof cardboard and simultaneously may be cut i5 with rounding corners.
It comprises, therefore, primarily a punch and die of improved construction the cutting edges of which are adapted notonly to sever the cards corresponding as the strip is fed zo along, but also to finish each severed card by rounding its corners contiguous to the inner cut edge and preparing the card nextin order by rounding the corners of the strip at the point of cutting.
The invention comprises also means for the retention and adjustment of the aforesaid punch and die, together with animproved mechanism for actuating the punch.
The details of construction may best be 3o seen and described by reference to the drawings, wherein- Figure l shows my device in front elevation from the lines l l of Fig. 2. Fig. 2 is a vertical section upon the line 2 2 of Fig. l.
Fig. 3 is a horizontal section on the line 3 3 of Fig. l. Fig. 4 shows the punch in detail andthe means forits retention. Fig. showsa strip of paper or cardboard severed in part section by myirnproved cutter and showing 4o especially the rounding corners of the severed card.
Referring-to the'drawin'gs, A represents a frame which is adapted to'sustain several parts of my invention in proper relation of position and adjustment to one another. It
is of perpendicular extension and comprises the upper plate o., to the side of which is attached the mechanism for manipulating the punch, the sections ct extending down at 5c either side to form a central opening a2, through which the Work may be fed to the Serial No. 106,857. (No model.)
punch and die, and the integral sides o3, which, with the shelve-pieces 01,4, providea rectangular recess in which the die-holder is adapted to be contained.
The frame A is held in place by any suitable means of support. I have shown it as extending from and of integral attachment with a bed or table A', upon which the strip of paper or cardboard is placed in readiness 6o to be fed through the opening a2 and severed. (See Fig. 2.) This, however, is only a convenient order of arrangement. The frame A may make connection with any other support, and even itsoWn construction may Well be varied.
B represents the die, and C the punch," B
C', respectively, theirholders, by which they are not only held in permanent position of adjustment, but may be brought together in 7o their conjoint relation.
The holder B' is made rectangular in shape, so as to be contained within the sides a3 of thel frame and to rest upon the seats a4 provided for it.. It is made relatively heavy, with a rectangular vertical recess Within its center, in which the die is contained. It may be of integral formation; but as represented its sides are completed by the detachable side piece b, which has suitable screw connections 8o b. When in place, the holder extends back, so that its interior edge will be contiguous with the edge of the bed or table A and their upper surfacings be continuous in order that the ypaper strip may be freely fed to the die which is contained within the recessed interior of the holder.
The die B is made in two detachable sections b2. These sections b2 are made of strips of steel and have,essentially, the upper surfac- 9o ings h3 continuous with the top of the holder and provided with the cutting edges' b4 and rounded cutting ends b5. They are held in place by screws h6, coming through the opposite sides of the holder, and their separation and adjustment is such that a narrow passage Will be formed between their cutting edges b4, through which the blade c of the punch C will pass, and its cutting edges c will coincide with the edges b4 of the'die, and Ioo its rounding walls c2 will be contiguous with the rounding ends ofthe die-sections, so that the paper or cardboard when placed over the die will be cut in lines corresponding with the contiguous or coinciding edges of the punch and die. This is best seen in Fig. 5, Where I have shown a strip of paper or cardboard D separated in part section into a card D. The strip ot cardboard, it is to be noted, is of the same width as the card to be cut, and on being fed crosswise the die there is punched or cut out a narrow section d rounding outwardly at either end. By the stamping out of this or like section the card D not only becomes severed from the strip, but its edges contiguous with the stamped-out sections are made rounding, while the end ot the strip is left with rounding corners, the practical result being that after the end of the strip has once been formed by the cutting of the Waste piece D2 the cards may be cut with rounding corners upon a continuous feeding ot` the strip to the die, the back edge of the severed card being formed with the front edge of the next inrorder. l
In order that the cards may be severed of uniform Width, suitable gage-clamps a5 may be employed, as appear from the drawings.
The punch C, besides its blade c, which has double cutting edges c and outwardly-rounding walls c2, as above described, may be of any suitable construction. Its holder C comprises the upper cross-bar c3 and the two downwardly-extending bars c4 of preferably integral attachment, the punch being extended between them and along beneath the crossbar c3. The punch is detachably held in place by the screws c5, extending through the vertical bars c4, while a bead c extends into a groove cT along the under side of the crossbar, helps the retention, and secures accuracy of adjustment. In order that the cutting edges of the punch may be in alinement with the cutting edges of the die and be brought into conjunction with them when the punch is depressed, the bars c4 are extended down into the recesses 57, cut through the dieholder B', and which are in such relative position and the bars t with such accuracy of adjustment that not only is the punch-holder supported, but as the bars iit down into the recesses the punch is brought in perfect adjustment to conjoin with the die. The blade of the punch, it is to be observed, has a shearing edge, so that the paper or cardboard is practically cut instead of stamped out as the punch is depressed. As the blade extends along between the separated sections of the die the Waste piece CZ stamped or cut out is forced down through the opening between the edges of the die and falls through the hollow interior of the holder. y I have already referred to the punch and sections of the die as being detachable. This is in order that they maybe of dierent sizes or shapes, dependent upon the widths of the strips of paper or cardboard or upon the size or configuration of the card to be cut therefrom. By being made detachable the punch and die-pieces may also be taken out and their cutting edges sharpened When occasion demands or any other repair obtained.
The holder C and so the punch C are held in normal elevated position by the coiled spring bs, which rests upon the holder B' and bears up against the exterior ends of the cross-bar. The spring envelops and is supported by the rods b9, which extend up from the holder B' and through the ends of the bar c3. The spring is therefore retained in a permanent position of adjustment and is adapted to become compressed when the punch, or rather its holder, is pressed down and'to exert a lifting action upon it with the release of the operating pressure.
The punch C is pressed down by means of t'ne plungers E E', working through the tubular bearings a, extending from the frame. These tubular extensions n.6 are in line with the horizontal cross bar c3 of the punchholder, so that the plungers rest against, and acting simultaneously, press down the crossbar at eitherend, and in order that there may be an equaldistribution of pressure along the length of the bar, and the punch evenly pressed down along its double cutting edge.
The plungers are actuated by the toggle or knuckle links e c of the plunger E, and the knuckle links e2 e3 of the plunger E'. The link e is pivoted within the cleft-head of plunger E and the link c at the point e4 between the overhang of the arm e5 and the frame side a, while the link e2 is pivoted within the cleft of the plunger' E and its connecting-link e3 at the point c6 between the overhanging arm e7 and the side of the frame. Connecting with the toggle-links by the same pivots which connect them are the thrust-links e8 e9, which are adapted to straighten the toggle-joints, and so press down the plungers. For obtaining their movement I have shown a bent lever which comprises the operating-arm ew, extending from the side of the frame, and the angular arm extensions e11 cl2. The angular arms e @12 are pivoted at the center of their connection at the point cl3 between the overhanging arms @14 and the side of the frame, so that practically the lever-arm is fulcrumed at this point and when operated its arms e cl2 rotate from the point 613 as a center, and as the one is thrown outward to the right the other is rotated to the left. The ends of the thrust-links es e9 are pivoted to the lever-arm extensions en cl2 by pivot-pins @15 el, which completes the combination of parts, and consequently when the operating lever-arm elo is drawn down its arms c e12 are rotated, each simultaneously through its connectinglinks eS e9, respectively, straighten out the toggles, and the plungers are depressed.
IOO
IIO
In order that the lever-arm may be returned I and retained in a normal operative position, I have made the springs b3 of sufficient tension that by bearing up against the cross-bar c3 they may also push back the plungers and so bend the toggles, which through their conmeeting-links es e9, respectively, throw back the lever-arm to its normal operative position.
The arrangement, proportion, and pivotal points of the parts are such that a most powerful compressing action is obtained, as well as an evenness and facility of movement.
Having thus fully described my invention, I claim and desire to secure by Letters Patent of the United Statesl. In a paper-cutter, a punch having a blade formed outwardly rounding or flaring in reverse directions at either end, and a die to conjoin, with said blade in order that a strip of paper or the like fed between the said punch and die may be severed in a manner substantially as described.
2. In a paper-cutter, a punch having a blade with a shearing edge formed outwardly rounding in reverse directions at either end, and a die having cutting edges separated to receive between them the said blade of the punch, but with a placement and con figuration to conjoin with the said cutting edges thereof in order that a stripy of paper or the like fed between the said punch and die may be severed in a manner substantially as described.
3. In a papercutter, a frame offering a housing for the removable holders of a cutting punch and die, said holders and said punch and die carried by the same and made detachable therefrom, means for so connecting said holders that thevpunch-holder will move when depressed in true parallel lines relatively to the die-holder that a proper correlation between the cutting edges of the punch and die may be obtained, a plurality of plungers for evenly depressing the punchholder, and means for simultaneously actuating the plungers.
4. In a paper-cutter the combination of a frame, a cutting-punch and die-holders therefor, carried by said frame, and which are joined to approach each other on true parallel lines, that a proper correlation between the cutting edges of the punch and die may be obtained, plungers carried by the frame' for evenly depressing the punch-holder, toggles for simultaneously actuating said plungers, and a bent operating-lever having angular arm extensions pivoted to the frame at the center of their connection, with thrustlinks connecting the said arm extensions with the said toggles in order that the same may become straightened and the plungers depressed, substantially as described.
5. In a paper-cutter the combination of a frame, a cutting-punch and die-holders therefor, carried by said frame, and which are joined to approach each other on true parallel lines that a proper correlation between the cutting edges of the punch and die may be obtained, plungers carried by the frame for evenly depressing the punch-holder, toggles for simultaneously actuating said plungers, and a bent operating-lever having angular arm extensions pivoted to the frame at the center of their connection, with thrustlinks connecting the said arm extensions with the said toggles in order that the same may become straightened and the plungers depressed, and a work returning spring or springs having placement between the punch and die-holders aforesaid, substantially as described.
6. In a paper-cutter the combination of a frame, a cutting-punch and die-holders therefor, carried by said frame, and joined to approach each other on true parallel lines, plungers carried by the frame for evenly depressing said punch-holder, means for simultaneously actuating said plungers,and a work-returning spring or springs having placement between the die and punch-holders, substantially as described.
EDSON J. SMITH. In presence of- J. M. DoLAN, SAUL SIPPERSTEIN.
US1902106857 1902-05-12 1902-05-12 Paper-cutter. Expired - Lifetime US735166A (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4265156A (en) * 1979-07-31 1981-05-05 Potomac Applied Mechanics, Inc. Steel stock cutting

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4265156A (en) * 1979-07-31 1981-05-05 Potomac Applied Mechanics, Inc. Steel stock cutting

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