US641791A - Cardboard cutting and grooving device. - Google Patents

Cardboard cutting and grooving device. Download PDF

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Publication number
US641791A
US641791A US1894521718A US641791A US 641791 A US641791 A US 641791A US 1894521718 A US1894521718 A US 1894521718A US 641791 A US641791 A US 641791A
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Prior art keywords
cutting
grooving
blades
cardboard
machine
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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
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Ludwig Nicolai
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Ludwig Nicolai
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Priority to US1894521718 priority Critical patent/US641791A/en
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23DPLANING; SLOTTING; SHEARING; BROACHING; SAWING; FILING; SCRAPING; LIKE OPERATIONS FOR WORKING METAL BY REMOVING MATERIAL, NOT OTHERWISE PROVIDED FOR
    • B23D3/00Planing or slotting machines cutting by relative movement of the tool and workpiece in a vertical or inclined straight line
    • B23D3/02Planing or slotting machines cutting by relative movement of the tool and workpiece in a vertical or inclined straight line for cutting grooves
    • 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
    • Y10T409/00Gear cutting, milling, or planing
    • Y10T409/50Planing
    • Y10T409/502624Means for cutting groove
    • 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
    • Y10T83/02Other than completely through work thickness
    • Y10T83/0304Grooving
    • 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
    • Y10T83/647With means to convey work relative to tool station
    • Y10T83/6584Cut made parallel to direction of and during work movement

Description

No. 64l,79l. Patent-5d Jan. 23, 1900.
NICOLAI. CARDBOARD CUTTING AND GROOVING DEV-ICE.
' (Application filedlug. 30, 1894.) (No Model.) 2 Sheets-Sheet l.
N0. 64|,79|. Patented Jan; 23, I900.
L. N'IC-U'LAI. CARDBOARD CUTTING AND GRUUVING DEVlCE.
(Application med gu so, 1694. 4 (No Mode l.) 2 Sheets-Sheet 2,
NIT-E TATES LUDVVIG NICOLAI, OF DRESDEN, GERMANY.
CARDBOARD CUTTING AND GROOVING DEVICE.
SPECIFICATION forming part of Letters Patent No. 641,791, dated January 23, 1900.
Application filed August 80, 1894. Serial No. 521,718. (No model.)
To all whom it nuty concern.-
Be it known that I, LUDWIG NICOLAI, a subject of the King of Saxony, residing in the city of Dresden, Germany, have invented certain Improvements in Apparatus for Cutting, Slit ting, and Grooving Cardboard and other Materials, of which the following is a specification.
The object of my invention is to provide a tool for cutting, slitting, or grooving cardboard or other material, the cutter of the tool being made of a thin narrow strip of sheetsteel of any desired length.
One of the advantages of this cutter is that it is at all times kept sharp, as by the operation of the tool the cutter is automatically sharpened and has only to be adjusted from time to time to compensate for the wearing away of the cutting edge. The thin resilient and elastic steel strip may be used in various ways,as illustrated in the accompanying d rawings, in which-- Figure 1 illustrates the tool for machine use, the cutting-blade being secured to a holder or clamp adj ustably held on a crossbar of the machine-frame, and also shows rolls for feeding the material being acted upon to the knife. Fig. 2 is a sectional elevation of a similar machine, in which two cuttingblades are secured in a holder in such manner that the cutting ends form an angle and the edges thereof are brought closely together for the purpose of cutting a V-shaped or angular groove in the material. Fig. 3 is an elevation of a portion of machine shown in Fig. 2, illustrating more clearly the construction of clamp for holding the knife in position. Figs. 4 and 5 are views similar to Figs. 2 and 3, showing the employment of two outting-blades arranged parallel to each other for their entire length for the purpose of cutting a right-angled groove or channel in the cardboard, leather, or other material. Fig. 6 illustrates a slight modification of the machine shown in Fig. 4, an additional adjustable blade being employed for the purpose of removing the material between the cutting edges of the two blades.
In the drawings, a designates the cuttingblade, formed of a thin narrow strip of elastic steel of the same thickness throughout its entire length and clamped near one end,which forms the cutting edge, between two clamping-cheeks o in the manner hereinafter described. The cutting edge is formed on the lower end of the thin steel strip, and the latter may be adjusted or reset between the clamping-cheeks whenever it becomes necessary through wear or abrading of the cutting edge until only a short piece of the steel strip remains. The application of a cutting-blade of this character to a machine is illustrated in Fig. 1, in which e represents one of the crossbars of the frame of the machine, and f a feed-roller mounted in the frame and acting in connection with a roller 01 to feed the pasteboard, leather, or other material to the cutting-knife. This roller'nis preferably mounted in bearings on' a bracket 70, secured by a screw h to a block 9, adj ustablein a horizontal line in dovetailed guideways provided on the side of the cross-bar e, and the vertical position of the roller n being determined by an adj usting-screw 1', having handles or wings Z, by which it may be turned to adjust the distance between the peripheries of the rollers thickness. The cutting blade a is confined near its cutting edge between two clampingcheeks 0, secured together by a screw p, the cheeks being carried by a bracket adj ustably secured to a block 9 by a screw it, the vertical position of the bracket being determined by an adj usting-screw 7 having wings 1'. With a machine of this character the cardboard, leather, or other material to be acted upon may be fed between the feeding-rollers and by them carried under the knife, which will act to out or indent the same, and as the knife wears away its adjustment may be accomplished by loosening the screw p and forcing the strip nearer to the roll f and then tightening the clamping-cheeks.
The tool shown in Figs. 2 and 3 is employed for grooving or channeling, and the ends of the two steel strips or blades 0. a are so disposed to each other as to form an angle. The
lower end of the holder or bracket is is pro- Vided with a forked extension forming the clamp-cheeks for the blades, and a wedge s is employed to press the lower ends of the blades between the clamp-cheeks to bring the lower end of the steel blades to the desired angular position, the Wedge-shaped block 8 fand n to accommodate sheets of varying being held in position by a screw 15 passing through a threaded orifice on a lug 1 projecting from the bracket 70.
In the structure shown in Figs. 4, 5, and 0 the two cutting-blades dare arranged parallel to each other throughout their entire length and clamped between two cheeks 0 byascrew p, the two blades being separated by a plate 0', of a thickness corresponding to the width of the groove to be produced. As the material between the cuts produced by these blades must be removed to form a channel orgroove, another device for this purpose must be provided, which may consist of a knife ct, arranged in the rear of the blades (1 and held in an extension of the holder or bracket 70. This knife a may be wedgeshaped, as shown in Fig. at, or in the form of a thin blade, as illustrated in Fig. 6.
Having thus described my invention, what In testimony whereof I have hereunto set 35 my hand in presence of two witnesses.
LUDWIG NIOOLAI. Witnesses:
BEN. SCHMIDT, HERNANDO DE SoTo.
US1894521718 1894-08-30 1894-08-30 Cardboard cutting and grooving device. Expired - Lifetime US641791A (en)

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US1894521718 US641791A (en) 1894-08-30 1894-08-30 Cardboard cutting and grooving device.

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US1894521718 US641791A (en) 1894-08-30 1894-08-30 Cardboard cutting and grooving device.

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US641791A true US641791A (en) 1900-01-23

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3211031A (en) * 1958-11-15 1965-10-12 Electronique & Automatisme Sa Production of potentiometers
WO1996007517A1 (en) * 1994-09-07 1996-03-14 Flexible Steel Lacing Company Method and apparatus for skiving belt ends

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3211031A (en) * 1958-11-15 1965-10-12 Electronique & Automatisme Sa Production of potentiometers
WO1996007517A1 (en) * 1994-09-07 1996-03-14 Flexible Steel Lacing Company Method and apparatus for skiving belt ends
US5771586A (en) * 1994-09-07 1998-06-30 Flexible Steel Lacing Company Apparatus for skiving belt ends

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