US811940A - Machine for cutting sheets. - Google Patents

Machine for cutting sheets. Download PDF

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Publication number
US811940A
US811940A US1905268152A US811940A US 811940 A US811940 A US 811940A US 1905268152 A US1905268152 A US 1905268152A US 811940 A US811940 A US 811940A
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US
United States
Prior art keywords
blade
cutting
arm
clamp
plunger
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
Inventor
Charles H Marston
Arthur P Holden
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
NATIONAL SHAWMUT BANK
Original Assignee
NATIONAL SHAWMUT BANK
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by NATIONAL SHAWMUT BANK filed Critical NATIONAL SHAWMUT BANK
Priority to US1905268152 priority Critical patent/US811940A/en
Application granted granted Critical
Publication of US811940A publication Critical patent/US811940A/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B26HAND CUTTING TOOLS; CUTTING; SEVERING
    • B26DCUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
    • B26D7/00Details of apparatus for cutting, cutting-out, stamping-out, punching, perforating, or severing by means other than cutting
    • B26D7/01Means for holding or positioning work
    • B26D7/02Means for holding or positioning work with clamping means
    • B26D7/025Means for holding or positioning work with clamping means acting upon planar surfaces
    • 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
    • Y10T83/566Interrelated tool actuating means and means to actuate work immobilizer
    • Y10T83/5669Work clamp
    • Y10T83/5742Clamp moved by direct impact of tool or tool support
    • 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
    • Y10T83/748With work immobilizer
    • Y10T83/7593Work-stop abutment
    • Y10T83/7607Normal to plane of cut
    • 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
    • Y10T83/8798With simple oscillating motion only
    • Y10T83/8812Cutting edge in radial plane

Description

No. 811,940. PATENTED FEB. 6, 1906. C. H. MARSTON 6; A. P. HOLDEN.
MACHINE FOR CUTTING SHEETS.
APPLICATION FILED JULY 3, 1905.
2 SHEETS-SHEET 1.
Aw Lm -b a 576607 71 5,
No. 811,940. PATENTED FEB. 6, 1906. O. H. MARSTON & A. P. HOLDEN.
MACHINE FOR CUTTING SHEETS.
APPLICATION FILED JULY 3, 1905.
2 SHEETS-SHEET 2.
m E. w n/f 1 7 t .,O. N 4 y 4 p 78 7 J f k m zqdi ceases gwma CHARLES H. MARSTON, OF READING, AND ARTHUR P. HOLDEN, OF MAL- DEN, MASSAOHUSETS, ASSIGNORS TO THE NATIONAL SHAVVMUT BANK, OF BOSTON, MASSACHUSETTS.
MACHINE FOR CUTTING SHEETS.
Specification of Letters Patent.
Patented Feb. 6, 1906.
Application filed July 3, 1905. Serial No. 268,152.
To aZZ who/n it may concern:
Be it known that we, CHARLES H. Mans- TON, of Reading, and ARTHUR P. HOLDEN, of Malden, in the county of MiddleseX and State of Massachusetts, have invented certain. new and useful Improvements in Machines for Cutting Sheets, of which the following is a specification.
This invention relates to paper trimming or cutting machines, and is particularly designed for trimming the edges of sheets of bank-notes.
N ational-bank notes are printed with four or more notes on a sheet and are delivered to the banks without having the signatures of the bank Oll'lGOI'S printed and without being sevcred, the affixing of the signatures and separating the notes being done by the banks, and for these banks having a large circulation which issue a great many notes the signatures are printed on the notes by presses. Ordinarily the sheets have to be trimmed on one of their edges, so that they can be placed in a press and positioned by a stop in the press properly, so that the signatures maybe printed in the spaces provided for them with ac curacy.
It is therefore the object of the present invention to provide an apparatus by which the .edges of all the bank-note sheets may be trimmed along a line at an invariable distance from the spaces left for the signatures on each sheet in order that the sheets may be fed into the signature-printing machine Without necessitating readjustment of the ma chine to accommodate each sheet having an edge of slightly-different widthfrom the other sheets. To this end we provide a papershearing apparatus with a gage, which is adapted to position the edge of the sheet to be trimmed and is also capable of being pressed upon the sheet to clamp it on the work-supporting table.
The details of the invention are described in the following specification and illustrated in the accompanying drawings, in which Figure 1 represents an elevation of an apparatus constructed to embody the principles of our invention. Fig. 2 represents a similar view, but showing the operating parts thereof in a different position. Fig. 3 represents a plan view. Fig. 4 represents a section taken on line 4 4 of Fig. 3. Fig. 5 represents a section on line 5 5 of Fig. 3. Fig. 6 represents a horizontal section on line 6 6 of Fig. 2.
The same reference characters indicate the same parts in all the figures.
The apparatus comprises a table or bed a, the upper surface of which supports the sheets to be trimmed, shearing instrumentalities consisting of fixed and movable blades 7) c, and a combined clamp and gage (Z. The fixed blade I) is attached to the table at one edge thereof, while the movable blade 0 is fixed to an arm 6, which is pivoted atf to a bracket g, extending from one side of the table adjacent the fixed blade. Projecting above the worksupporting surface of the table are guides h, extending perpendicularly to the cutting edge of thefiXed shearing-blade l), which are adapted to be engaged by the side of a sheet to position the latter, so that it may be trimmed squarely at right anglesto its length.
The member (Z consists of a flat plate which is held in position by studs i, mounted in the table, and it has rigidly attached to it or formed integrally upon it sleeves j, which surround and engage the studs 1'. Springs 7: surround the studs *5 and bear against the un der surface of the plate d, so as normally to hold the latter elevated above the surface of the table to permit the sheets to be slipped under it, the springs being set into sockets Z to permit suflicient compression thereof, so that the plate (2 may be pressed against the surface of the table. Heads m are formed on the studs i to project over and be engaged by the ends of the sleeves j when the gage d is elevated, so as to limit the amount of its elevation. This can also be regulated byadjusting the nuts n, which secure the studs to the bed. The edge 0 of the plate (I which is most remote from the shearing-blades is made parallel to the cutting edges thereof and is the part which serves as the gage for positioning the sheets to be trimmed. This edge is located, preferably, at such a distance from the cutting edges that when a sheet of bank-notes is placed under it withthe line on which the signatures are to be printed on the top note of the sheet coinciding therewith the edge to be trimmed will be properly placed, and after the trimming operation when the sheet is placed in the printing-press with its trimmed edge against the gage of the press the spaces for the signatures will be exactly placed to receive the impressions of the signatures; but it is to be understood that any other desired line or definite mark on the sheet may be used as a guide wherewith to place the sheet in position for proper trimming. After a sheet has been positioned by the gaging edge of the plate d and the arm carrying the movable shearing-blade c is depressed to perform the cutting operation the plate is forced against the work to act as a clamp and hold the work immovable while it is being cut. The means for forcing the plate against the work consists of a presser carried by the arm 6 and arranged to be brought into engagement with the plate when the arm has been moved sufficiently to bring the shearing-blades into position to begin the cutting operation. This presser has the form of a plunger p, which is contained in a tubular guide q, attached to the arm and projects below the guide, so that it may engage the plate. A spring a" is located in the guide and presses against a flange s on the latter and a shoulder t on the plunger and normally tends to project the latter from the guideway, the outward movement of the plunger being limited by a stop-nut a, attached to the end of the plunger which projects above the end of the guideway, which nut strikes the end of the guideway when the plunger is proj ected. An antifriction-roll w is journaled on the lower end of the plunger and is the only portion of the latter which actually engages the plate. It is retained in a plane parallel to the plane of movement of the shearing-bl ade 0 by means of a pin is, which is attached to the guide q and extends into a keyway y in the plunger, preventing rotation of the latter. When the arm 6 is elevated, the plunger or presser 1) is out of contact with the clampingplate, so that the latter is free and is held elevated by springs is. When, however, the arm is moved to bring the movable blade adjacent the fixed one to commence the cutting operation, the roll to comes in contact with the clamp d or with a wear-plate z, mounted thereon, and further movement of the arm causes the presser to force the clamping-plate down upon the work, the spring 1" being stronger than the combined force of the springs 7c, so as to be capable of moving the clamp in opposition to the latter springs. As the arm continues to move so as to carry all parts of the cutting edge or blade 0 past the stationary blade the spring 1" yields and the tubular guide 9 is moved downward about the plunger, the lower end of the latter being thereby caused to move toward the pivot ofthe arm, this movement being permitted without great frictional resistance by means of the roller 10, which rolls upon the surface of the clamping-plate. A spring '0 surrounds the pivot of the arm 6 and normally tends to hold the latter elevated away from the fixed blade I).
From the foregoing it will be seen that we have provided a device which is of value in that it has a simple contrivance for accurately gaging the work and at the same time clamping it upon the table and in also providing a simple device which operates the clamp at the same time that the cutting-blade is being moved and which is itself actuated by the same movement that actuates the cutter.
We claim 1. A cutting-machine comprising a table, a stationary blade, a clamp mounted on the table and yieldingly held away from the worksupporting surface thereof, a movable blade pivotally mounted with respect to the table, and means carried by the movable blade arranged to engage directly upon the clamp upon actuation of said movable blade and press and hold the same against the work while the latter is being cut.
2. A cutting-machine comprising a table, a shear-blade fixed thereto, a movable blade pivoted thereto in shearing relation with the fixed blade, a clamp supported near the worksupporting surface of the table, and a presser carried by the movable blade arranged to engage and travel along the clamp to press the clamp against the work while said movable blade is beingaotuated to cut the work.
3. A cutting-machine comprising a table, a shear-blade fixed thereto, a movable blade pivoted thereto in shearing relation with the fixed blade, a clamp supported near the worksupporting surface of the table, and a presser carried by and yieldingly projected from the movable blade arranged to engage and press the clamp against the work while said movable blade is being actuated to cut the work.
4. A cutting-machine comprising a table, a shear-blade fixed thereto, a movable blade pivoted thereto in shearing relation with the fixed blade, a clamp yieldingly held away from the work-supporting surface of the table, a presser carried by the movable blade and capable of moving relatively thereto and arranged to engage the clamp when the movable blade is brought into operative relation with the fixed blade, and means for yieldingly holding the presser in contact with the clamp.
5. A cutter comprising a table, a stationary shear-blade fixed thereto, an arm pivoted to the table, a shear-blade mounted on the arm, a guideway formed on the arm, a plunger movably held in the guideway, yielding means tending to project the plunger, and a clamp held above the surface of the table in position to be engaged by the plunger and pressed against the work supported on the table during the movement of the arm which brings the shear-blades into operative relation.
6. A cutter comprising a table, a stationary shear-blade fixed thereto, an arm pivoted to the table, a shear-blade mounted on the arm, a guideway formed on the arm, a plunger movably held in the guideway, yielding means tending to project the plunger, an antii'riction-roll carried by the plunger, and. a clamp held above the surface of the table in position to be engaged by the roll on the plunger and pressed against the work sup-.
ported on the table during the movement of the arm which brings the shear-blades into operative relation.
7. A cutting-machine comprising a table, a plate having a gaging edge located above and movable perpendicularly with respect to the Worksupporting surface thereof, yielding means holding the plate separated from the table, shearing-blades arranged to trim the edge of a sheet supported on the table, and yielding means of greater power than the first said yielding means for pressing the plate against the sheet in opposition to said first yielding means when the sheet is being trimmed.
8. A cutting-machine comprising a table, cutting instrumentalities, guiding-studs mounted on the table adjacent said instrumentalities, a plate having a gaging edge for positioning the Work located and guided by said studs, springs positioned by said studs normally holding the plate away from the table, and a spring-plunger for engaging and pressing the plate against the table when the cutting instrnmentalities are operating.
In testimony whereof we have a'l'liXed our signatures in presence of two witnesses.
C. H. MARSTON. ARTHUR P. HOLDEN. Witnesses:
STEPHEN B. JACOBS, JOSEPH SMITH.
US1905268152 1905-07-03 1905-07-03 Machine for cutting sheets. Expired - Lifetime US811940A (en)

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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2460842A (en) * 1945-04-25 1949-02-08 Wilson Jones Co Paper trimmer
US2591472A (en) * 1947-02-01 1952-04-01 Wilson Jones Co Paper trimmer
US3089369A (en) * 1960-09-21 1963-05-14 Eastman Kodak Co Automatic trimming and scraping device
US3133459A (en) * 1960-11-08 1964-05-19 Texas Instruments Inc Apparatus for attaching leads to contacts
US3987694A (en) * 1975-02-06 1976-10-26 William Kaufman Clamp bar and adjustable stop for cutting board

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2460842A (en) * 1945-04-25 1949-02-08 Wilson Jones Co Paper trimmer
US2591472A (en) * 1947-02-01 1952-04-01 Wilson Jones Co Paper trimmer
US3089369A (en) * 1960-09-21 1963-05-14 Eastman Kodak Co Automatic trimming and scraping device
US3133459A (en) * 1960-11-08 1964-05-19 Texas Instruments Inc Apparatus for attaching leads to contacts
US3987694A (en) * 1975-02-06 1976-10-26 William Kaufman Clamp bar and adjustable stop for cutting board

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