EP0150661B1 - Form-separating device for perforated webs with feed-holes - Google Patents

Form-separating device for perforated webs with feed-holes Download PDF

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Publication number
EP0150661B1
EP0150661B1 EP84730111A EP84730111A EP0150661B1 EP 0150661 B1 EP0150661 B1 EP 0150661B1 EP 84730111 A EP84730111 A EP 84730111A EP 84730111 A EP84730111 A EP 84730111A EP 0150661 B1 EP0150661 B1 EP 0150661B1
Authority
EP
European Patent Office
Prior art keywords
clamping
separation device
clamping shaft
tear
continuous
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
Application number
EP84730111A
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German (de)
French (fr)
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EP0150661A1 (en
Inventor
Günter Engelhardt
Gerhard Lohrmann
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.)
Vodafone GmbH
Original Assignee
Mannesmann AG
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Filing date
Publication date
Application filed by Mannesmann AG filed Critical Mannesmann AG
Priority to AT84730111T priority Critical patent/ATE26947T1/en
Publication of EP0150661A1 publication Critical patent/EP0150661A1/en
Application granted granted Critical
Publication of EP0150661B1 publication Critical patent/EP0150661B1/en
Expired legal-status Critical Current

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
    • B41J11/00—Devices or arrangements  of selective printing mechanisms, e.g. ink-jet printers or thermal printers, for supporting or handling copy material in sheet or web form
    • B41J11/66—Applications of cutting devices
    • B41J11/70—Applications of cutting devices cutting perpendicular to the direction of paper feed

Definitions

  • the invention relates to a form separation device for perforated continuous forms with tear-off perforations, which can be used on typewriters and printers, in particular on matrix printers, consisting of a form guide with tractors and tractor flaps and a guide grill located above the machine housing.
  • Such form separating device serve to tear off the finished or finished printed single-layer or multi-layer forms by hand and without a tear-off rail, which complicates the design of a typewriter or a printer and makes it more difficult and less convenient to use.
  • the structure of such a form separator is also designed for processing the forms in a stretched state.
  • the stretched state is advantageous when tearing off, because then in the case of multi-layer forms, the cover sheet to the end sheet is not displaced by unevenly long distances.
  • Formufar entry with tractors and tractor flaps are known (DE-OS 30 36 642).
  • the tractor flaps can be swiveled out to insert the perforated form sheets into the paper guide. After the paper webs have been inserted, the pins on the tractor guide the paper and transfer the required feed force to the paper web.
  • This type of paper web guides requires a gap between the tractor flap and the paper surface, which partly ensures that there is no braking friction on the paper web by contact with the tractor flap, that only the pins in the edge perforation transmit their full feed force and that one or multilayer paper webs can be processed. Such multi-layer paper web completely or partially fill the gap.
  • the invention has for its object to separate a finished or finished printed continuous form using the perforation (so-called.quick tear), without the arrangement of a tear-off rail complicating the structure of the machine, which is to go as far as the tear-off rail dispense.
  • a clamping drive is arranged on the outside of the machine housing, that the clamping drive is connected to a clamping shaft running on the front of the operator and that the clamping shaft is assigned clamping elements by means of which the continuous form in the area of the tear-off perforation for the tear-off process can be firmly clamped.
  • a quick disconnect is particularly z. B. with tickets of great advantage.
  • the transfer of the clamping force is supported by the fact that pressure pieces are inserted in the tractor flaps and that the pressure pieces are operatively connected to the clamping shaft.
  • the clamping element consists of a profile rail fastened to the clamping shaft, which in the clamping position is opposite an anvil bar, which forms a support for the continuous form on the machine housing.
  • the clamping shaft is rotatably mounted in a mounting housing and that an automatically resetting operating lever is attached to at least one end of the clamping shaft.
  • the form separator can therefore also be retrofitted to office machines.
  • the arrangement of the controls and the accessibility of the paper guide are further favored in that the mounting housing and the length of the clamping shaft correspond to the full width of the typewriter or the matrix printer.
  • the attachment housing is made of transparent material.
  • the form separator shown can be used for all writing office machines, such as. B. typewriters, printers, matrix printers and the like.
  • NEN endless forms 1 with perforations 2 are used.
  • Such endless forms 1 are each divided by tear-off perforations 3 into identical or different forms with a repeating text or delimited from one another.
  • the continuous form 1 is advanced line by line or at greater intervals by two tractors 4 assigned to the edge perforations 2, the tractors 4 being equipped with tractor flaps 4a (FIG. 3).
  • the continuous form 1 is guided outside the tractors 4 through the guide grille 6 fastened to the machine housing 5, the printed continuous form 1 leaning against the guide grille 6 at an inclination of 10 ° away from the operator and not tipping against the operator, moreover maintains an approximate flat position and is therefore also easy to read in the machine and maintains a favorable starting position in the tear-off process to be described.
  • the mounting housing 7 is detachably placed on the machine housing 5 and can be removed in order to insert the continuous form 1 with its beginning into the tractors 4.
  • the insertion takes place by rotating the platen roller 8 with the attachment housing 7 removed.
  • the platen roller motor (not shown) drives the drive shaft 11 for the tractors 4 via the transmission 10, which consists of several gear wheels, which in turn each have a spiked belt 12 the pins 12a to transport the continuous form over the edge perforation 2.
  • a clamping drive 13 is provided according to FIG. 3, after its actuation the tractor flaps 4a hold the continuous form 1 so that it can be effortlessly moved with one hand and without a tear-off rail in direction 9 (FIG. 1) can be separated.
  • the clamping drive 13 can be actuated by means of the clamping shaft 16 running on the front of the operator 15, the clamping shaft 16 advantageously having a round profile 16a flattened on one side, the rotation of which, by means of resilient operating levers 17 fastened to the ends 16b and 16c, exerts the compressive force on the pressure pieces 14 . While the operating lever 17 is turned with one hand, the form can be separated with the other hand in a quick tear movement.
  • the clamping shaft 16 is supported in rotary bearings 18 which are located on the mounting housing 7. Due to the full extension of the clamping shaft 16 over the operator front 15, the operating levers 17 are advantageously located on the end faces 5 a of the machine housing 5.
  • the clamping force for tearing off at the tear-off perforation 3, in particular for multi-layer continuous forms 1, is further increased by (FIGS. 4 and 5) the clamping shaft 16 being combined with a profile rail 16d and an opposite anvil bar 5b being present on the machine housing 5, on which in FIG Clamping position, the profile rail 16d clamps the continuous form 1 and thereby replaces a tear-off rail.
  • the operating lever 17 is advantageously arranged projecting to the rear (FIG. 4).

Landscapes

  • Handling Of Sheets (AREA)
  • Perforating, Stamping-Out Or Severing By Means Other Than Cutting (AREA)
  • Ticket-Dispensing Machines (AREA)
  • Handling Of Cut Paper (AREA)
  • Discharge By Other Means (AREA)

Abstract

A structure is disclosed primarily but not exclusively as a supplement to an existing printer or typewriter or the like, which structure includes a clamping shaft, either for clamping endless sheet stock against the traction device for the stock, or against an added on anvil bar or both.

Description

Die Erfindung betrifft eine Formularabtrenneinrichtung für randgelochte Endlosformulare mit Abreißperforationen, die an Schreibmaschinen und an Druckern, insbesondere an Matrixdruckern, einsetzbar ist, bestehend aus einer Formularführung mit Traktoren und Traktorklappen und einem über dem Maschinengehäuse befindlichen Leitgitter.The invention relates to a form separation device for perforated continuous forms with tear-off perforations, which can be used on typewriters and printers, in particular on matrix printers, consisting of a form guide with tractors and tractor flaps and a guide grill located above the machine housing.

Derartige Formularabtrenneinrichtung dienen dem Abreißen der fertiggeschriebenen bzw. fertiggedruckten ein- oder mehrlagigen Formularen von Hand und ohne Abreißschiene, die die Bauweise einer Schreibmaschine oder eines Druckers komplizierter und aufwendiger sowie hinsichtlich der Bedienbarkeit ungünstiger gestaltet.Such form separating device serve to tear off the finished or finished printed single-layer or multi-layer forms by hand and without a tear-off rail, which complicates the design of a typewriter or a printer and makes it more difficult and less convenient to use.

Der Aufbau einer solchen Formularabtrenneinrichtung ist außerdem für eine Verarbeitung der Formulare in gestrecktem Zustand gestaltet. Der gestreckte Zustand ist vorteilhaft beim Abreißen, weil dann bei mehrlagigen Formularen das Deckblatt zum Schlußblatt nicht durch ungleich lange Wegstrecken verschoben wird.The structure of such a form separator is also designed for processing the forms in a stretched state. The stretched state is advantageous when tearing off, because then in the case of multi-layer forms, the cover sheet to the end sheet is not displaced by unevenly long distances.

Formufarführungen mit Traktoren und Traktorklappen sind bekannt (DE-OS 30 36 642). Die Traktorklappen sind hierbei abschwenkbar um die randgelochten Formularbahnen in die Papierführung einzubringen. Nach dem Einlegen der Papierbahnen führen die Stifte des Traktors das Papier und übertragen auf die Papierbahn die erforderliche Vorschubkraft. Diese Art der Papierbahn-Führungen erfordert einen Spaltabstand der Traktorklappe von der Papieroberfläche, der einersteils sicherstellt, daß durch Berührung mit der Traktorklappe keine bremsende Reibung an der Papierbahn entsteht, daß ferner nur die Stifte in der Randlochung ihre volle Vorschubkraft übertragen und daß ein- oder mehrlagige Papierbahnen verarbeitet werden können. Derartige mehrlagige Papierbahn füllen den Spalt ganz oder teilweise aus.Formufarführung with tractors and tractor flaps are known (DE-OS 30 36 642). The tractor flaps can be swiveled out to insert the perforated form sheets into the paper guide. After the paper webs have been inserted, the pins on the tractor guide the paper and transfer the required feed force to the paper web. This type of paper web guides requires a gap between the tractor flap and the paper surface, which partly ensures that there is no braking friction on the paper web by contact with the tractor flap, that only the pins in the edge perforation transmit their full feed force and that one or multilayer paper webs can be processed. Such multi-layer paper web completely or partially fill the gap.

Der Erfindung liegt die Aufgabe zugrunde, ein fertiggeschriebenes bzw. fertiggedrucktes Endlosformular lediglich unter Ausnutzung der Perforation abzutrennen (sog. quick tear), ohne daß die Anordnung einer Abreißschiene den Aufbau der Maschine verkompliziert, wobei so weit gegangen werden soll, auf die Abreißschiene gänzlich zu verzichten.The invention has for its object to separate a finished or finished printed continuous form using the perforation (so-called.quick tear), without the arrangement of a tear-off rail complicating the structure of the machine, which is to go as far as the tear-off rail dispense.

Die gestellte Aufgabe wird aufgrund der eingangs bezeichneten Formularabtrenneinrichtung dadurch gelöst, daß außen am Maschinengehäuse ein Klemmantrieb angeordnet ist, daß der Klemmantrieb mit einer an der Bedienerfrontseite verlaufenden Klemmwelle verbunden ist und daß der Klemmwelle Klemmelemente zugeordnet sind, mittels deren das Endlosformular im Bereich der Abreißperforation für den Abreißvorgang fest einspannbar ist. Ein derartiges Schnelltrennen ist besonders z. B. bei Flugscheinen von großem Vorteil. Bei Betätigung des Klemmantriebs mit einer Hand kann vorteilhafterweise mit der anderen Hand das Formular an der Abreißperforation ohne weiteres getrennt werden.The stated object is achieved on the basis of the form separation device described at the outset in that a clamping drive is arranged on the outside of the machine housing, that the clamping drive is connected to a clamping shaft running on the front of the operator and that the clamping shaft is assigned clamping elements by means of which the continuous form in the area of the tear-off perforation for the tear-off process can be firmly clamped. Such a quick disconnect is particularly z. B. with tickets of great advantage. When the clamping drive is actuated with one hand, the form at the tear-off perforation can advantageously be easily separated with the other hand.

Das Prinzip einer solchen Schnelltrennung kann in mehreren Gestaltungen verwirklicht werden : Eine dieser Gestaltungen ist dahingehend vorgenommen, daß die im Randbereich des Endlosformulars liegenden Traktorklappen als Klemmelemente für das Endlosformular dienen. In diesem Fall wird auf die Abreißschiene gänzlich verzichtet, wobei eine solche Gestaltung insbesondere bei einer geringeren Anzahl von Formularen in Betracht kommt.The principle of such a quick separation can be implemented in several designs: One of these designs is such that the tractor flaps in the edge area of the continuous form serve as clamping elements for the continuous form. In this case, the tear-off rail is dispensed with entirely, such a design being particularly suitable for a smaller number of forms.

Die Übertragung der Klemmkraft wird dadurch unterstützt, daß in den Traktorklappen jeweils Druckstücke eingesetzt sind und daß die Druckstücke mit der Klemmwelle in Wirkverbindung stehen.The transfer of the clamping force is supported by the fact that pressure pieces are inserted in the tractor flaps and that the pressure pieces are operatively connected to the clamping shaft.

Für Formulare mit einer hohen Anzahl von Einzelblättern und unter Anwendung einer Abreißschiene ist es vorteilhaft, daß das Klemmelement aus einer an der Klemmwelle befestigten Profilschiene besteht, der in der Klemmstellung eine Amboßleiste gegenüberliegt, die am Maschinengehäuse eine Auflage für das Endlosformular bildet.For forms with a large number of single sheets and using a tear-off rail, it is advantageous that the clamping element consists of a profile rail fastened to the clamping shaft, which in the clamping position is opposite an anvil bar, which forms a support for the continuous form on the machine housing.

Um eine breite Anwendbarkeit für Schreibmaschinen, Drucker, insbesondere Matrixdrucker und dgl. schreibenden Büromaschinen zu schaffen, wird ferner vorgeschlagen, daß die Klemmwelle in einem Aufsetzgehäuse drehgelagert ist und daß zumindest an einem Ende der Klemmwelle ein selbsttätig rückstellender Bedienungshebel befestigt ist. Die Formularabtrenneinrichtung kann daher auch nachträglich noch an Büromaschinen angebracht werden.In order to create a broad applicability for typewriters, printers, in particular matrix printers and the like. Writing office machines, it is further proposed that the clamping shaft is rotatably mounted in a mounting housing and that an automatically resetting operating lever is attached to at least one end of the clamping shaft. The form separator can therefore also be retrofitted to office machines.

Die Anordnung der Bedienungselemente und die Zugänglichkeit der Papierführung werden ferner dadurch begünstigt, daß das Aufsetzgehäuse und die Länge der Klemmwelle der vollen Breite der Schreibmaschine bzw. des Matrixdruckers entspricht.The arrangement of the controls and the accessibility of the paper guide are further favored in that the mounting housing and the length of the clamping shaft correspond to the full width of the typewriter or the matrix printer.

Vorteilhaft ist ferner, daß das Aufsetzgehäuse aus transparentem Werkstoff gefertigt ist.It is also advantageous that the attachment housing is made of transparent material.

Ein Ausführungsbeispiel der Erfindung ist in der Zeichnung dargestellt und wird nachfolgend näher erläutert. Es zeigen

  • Figur 1 eine perspektivische Vorderansicht eines Matrixdruckers mit der aufgesetzten Formularabtrenneinrichtung,
  • Figur 2 einen teilweisen senkrechten Querschnitt durch den Bereich der Formularabtrenneinrichtung des Matrixdruckers und
  • Figur 3 der zu Fig. 2 gehörende teilweise Längsschnitt,
  • Figur 4 einen Querschnitt gemäß Fig. 2 als ein alternatives Ausführungsbeispiel und
  • Figur 5 der zu Fig. 4 gehörende teilweise Längsschnitt.
An embodiment of the invention is shown in the drawing and is explained in more detail below. Show it
  • FIG. 1 shows a perspective front view of a matrix printer with the attached form separation device,
  • Figure 2 is a partial vertical cross section through the area of the form separation device of the matrix printer and
  • 3 shows the partial longitudinal section belonging to FIG. 2, FIG.
  • 4 shows a cross section according to FIG. 2 as an alternative embodiment and
  • 5 shows the partial longitudinal section belonging to FIG. 4.

Die dargestellte Formularabtrenneinrichtung kann für alle schreibenden Büromaschinen, wie z. B. Schreibmaschinen, Drucker, Matrixdrucker und dgl., eingesetzt werden. Auf diesen Maschinen werden Endlosformulare 1 mit Randlochungen 2 verwendet. Solche Endlosformulare 1 sind jeweils durch Abreißperforationen 3 in jeweils gleiche oder unterschiedliche Formulare mit einem sich wiederholenden Text eingeteilt bzw. gegeneinander abgegrenzt. Das Endlosformular 1 wird durch zwei den Randlochungen 2 zugeordnete Traktoren 4 zeilenweise oder in größeren Abständen vorgeschoben, wobei die Traktoren 4 mit Traktorklappen 4a (Fig. 3) ausgestattet sind.The form separator shown can be used for all writing office machines, such as. B. typewriters, printers, matrix printers and the like. On this machine NEN endless forms 1 with perforations 2 are used. Such endless forms 1 are each divided by tear-off perforations 3 into identical or different forms with a repeating text or delimited from one another. The continuous form 1 is advanced line by line or at greater intervals by two tractors 4 assigned to the edge perforations 2, the tractors 4 being equipped with tractor flaps 4a (FIG. 3).

Das Endlosformular 1 wird außerhalb der Traktoren 4 durch das am Maschinengehäuse 5 befestigte Leitgitter 6 geführt, wobei sich das bedruckte Endlosformular 1 bei etwa einer Neigung von 10° von der Bedienungsperson weg gerichtet an das Leitgitter 6 anlehnt und nicht etwa gegen die Bedienungsperson kippt, außerdem eine ungefähre Planlage beibehält und deshalb auch noch in der Maschine leicht lesbar ist und beim noch zu beschreibenden Abreißvorgang eine günstige Ausgangsposition beibehält.The continuous form 1 is guided outside the tractors 4 through the guide grille 6 fastened to the machine housing 5, the printed continuous form 1 leaning against the guide grille 6 at an inclination of 10 ° away from the operator and not tipping against the operator, moreover maintains an approximate flat position and is therefore also easy to read in the machine and maintains a favorable starting position in the tear-off process to be described.

Auf das Maschinengehäuse 5 ist das Aufsetzgehäuse 7 lösbar aufgesetzt, das abgenommen werden kann, um das Endlosformular 1 mit dessen Anfang in die Traktoren 4 einzulegen. Das Einlegen erfolgt durch Drehen der Schreibwalze 8 bei abgenommenem Aufsetzgehäuse 7. Während des Betriebes treibt der Schreibwalzenmotor (nicht gezeigt) über das Getriebe 10, das aus mehreren Zahnrädern besteht, die Antriebswelle 11 für die Traktoren 4, die ihrerseits jeweils über ein Stachelband 12 mit den Stiften 12a das Endlosformular über die Randlochung 2 transportieren.The mounting housing 7 is detachably placed on the machine housing 5 and can be removed in order to insert the continuous form 1 with its beginning into the tractors 4. The insertion takes place by rotating the platen roller 8 with the attachment housing 7 removed. During operation, the platen roller motor (not shown) drives the drive shaft 11 for the tractors 4 via the transmission 10, which consists of several gear wheels, which in turn each have a spiked belt 12 the pins 12a to transport the continuous form over the edge perforation 2.

Für den Abtrennvorgang eines beschriebenen bzw. bedruckten Formulars an der Abreißperforation 3 ist gemäß Fig. 3 ein Klemmantrieb 13 vorgesehen, nach dessen Betätigung die Traktorklappen 4a das Endlosformular 1 festhalten, so daß dieses mühelos mit einer Hand und ohne Abreißschiene in Richtung 9 (Fig. 1) abgetrennt werden kann.For the separation of a written or printed form at the tear-off perforation 3, a clamping drive 13 is provided according to FIG. 3, after its actuation the tractor flaps 4a hold the continuous form 1 so that it can be effortlessly moved with one hand and without a tear-off rail in direction 9 (FIG. 1) can be separated.

Diese Klemmkraft wird dadurch gezielt auf zwei kleine Druckflächen des unbedruckten Randbereiches 2a erhöht, indem in den Traktorklappen 4a jeweils Druckstücke 14 fest eingesetzt sind. Der Klemmantrieb 13 ist mittels der an der Bedienerfrontseite 15 verlaufenden Klemmwelle 16 betätigbar, wobei die Klemmwelle 16 vorteilhafterweise ein einseitig abgeflachtes Rundprofil 16a aufweist, bei dessen Drehung mittels an den Enden 16b und 16c befestigter, federnder Bedienungshebel 17 die Druckkraft auf die Druckstücke 14 ausgeübt wird. Währenddem mit einer Hand die Bedienungshebel 17 gedreht werden, kann mit der anderen Hand in einer Schnelltrennbewegung (quick tear) das Formular abgetrennt werden.This clamping force is thereby increased in a targeted manner to two small pressure areas of the unprinted edge region 2a, in that pressure pieces 14 are firmly inserted in the tractor flaps 4a. The clamping drive 13 can be actuated by means of the clamping shaft 16 running on the front of the operator 15, the clamping shaft 16 advantageously having a round profile 16a flattened on one side, the rotation of which, by means of resilient operating levers 17 fastened to the ends 16b and 16c, exerts the compressive force on the pressure pieces 14 . While the operating lever 17 is turned with one hand, the form can be separated with the other hand in a quick tear movement.

Die Klemmwelle 16 ist in Drehlagern 18, die sich am Aufsetzgehäuse 7 befinden, abgestützt. Durch die volle Erstreckung der Klemmwelle 16 über die Bedienerfrontseite 15 liegen die Bedienungshebel 17 vorteilhaft an den Stirnseiten 5a des Maschinengehäuses 5.The clamping shaft 16 is supported in rotary bearings 18 which are located on the mounting housing 7. Due to the full extension of the clamping shaft 16 over the operator front 15, the operating levers 17 are advantageously located on the end faces 5 a of the machine housing 5.

Die Klemmkraft zum Abreißen an der Abreißperforation 3, insbesondere für mehrlagige Endlosformulare 1, wird noch erhöht, indem (Fig. 4 und 5) die Klemmwelle 16 mit einer Profilschiene 16d kombiniert wird und am Maschinengehäuse 5 eine gegenüberliegende Amboßleiste 5b vorhanden ist, auf die in Klemmstellung die Profilschiene 16d das Endlosformular 1 einklemmt und dadurch eine Abreißschiene ersetzt. Bei dieser Gestaltung wird der Bedienungshebel 17 vorteilhafterweise nach hinten ragend angeordnet (Fig. 4).The clamping force for tearing off at the tear-off perforation 3, in particular for multi-layer continuous forms 1, is further increased by (FIGS. 4 and 5) the clamping shaft 16 being combined with a profile rail 16d and an opposite anvil bar 5b being present on the machine housing 5, on which in FIG Clamping position, the profile rail 16d clamps the continuous form 1 and thereby replaces a tear-off rail. With this design, the operating lever 17 is advantageously arranged projecting to the rear (FIG. 4).

Eine Kombination der Ausführungsformen nach. den Fig. 2 und 3 mit derjenigen der Fig. 4 und 5 führt zu noch höheren Klemmkräften und ist selbstverständlich ebenfalls vorteilhaft.A combination of the embodiments according to. 2 and 3 with that of FIGS. 4 and 5 leads to even higher clamping forces and is of course also advantageous.

Claims (7)

1. Form separation device for margin-punched continuous forms with tear-off perforations, which is able to be used on typewriters and on printers, in particular on matrix printers, consisting of a form guide with tractors and tractor flaps and a guide grid which is situated over the machine housing, characterized in that externally on the machine housing (5) a clamping drive (13) is arranged, that the clamping drive (13) is connected with a clamping shaft (16) running on the front side (15) for the operator, and that clamping elements (14/4a or respectively 16d/5b) are associated with the clamping shaft (16), by means of which clamping elements the continuous form (1) is able to be firmly secured in the region of the tear-off perforation (3) for the tear-off procedure.
2. Form separation device according to Claim 1, characterized in that the tractor flaps (4a) lying in the margin region (2a) of the continuous form (1) serve as clamping elements for the continuous form (1).
3. Form separation device according to Claims 1 and 2, characterized in that pressure pieces (14) are inserted in each case in the tractor flaps (4a) and that the pressure pieces (14) are in operative connection with the clamping shaft (16).
4. Form separation device according to Claim 1, characterized in that the clamping element consists of a sectional track (16d) which is attached to the clamping shaft (16), opposite which there lies an anvil strip (5b) in the clamping position, which strip forms a support for the continuous form (1) on the machine housing (5).
5. Form separation device according to Claims 1 to 3, characterized in that the clamping shaft (161 is rotatably mounted in an attachment housing (7) and that at least at one end (16b or respectively 16c) of the clamping shaft (16) an automatically resetting operating lever (17) is attached.
6. Form separation device according to Claim 5, characterized in that the attachment housing (7) and the length of the clamping shaft (16) corresponds to the full width of the typewriter or respectively of the matrix printer.
7. Form separation device according to Claims 5 and 6, characterized in that the attachment housing (7) is manufactured from transparent material.
EP84730111A 1984-01-10 1984-10-12 Form-separating device for perforated webs with feed-holes Expired EP0150661B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT84730111T ATE26947T1 (en) 1984-01-10 1984-10-12 FORM CUTTING DEVICE FOR EDGE-PUNCHED CONTINUOUS FORMS WITH TEAR-OFF PERFORATIONS.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3400894 1984-01-10
DE3400894A DE3400894C2 (en) 1984-01-10 1984-01-10 Form separator for edge-punched continuous forms with tear-off perforation

Publications (2)

Publication Number Publication Date
EP0150661A1 EP0150661A1 (en) 1985-08-07
EP0150661B1 true EP0150661B1 (en) 1987-05-06

Family

ID=6224816

Family Applications (1)

Application Number Title Priority Date Filing Date
EP84730111A Expired EP0150661B1 (en) 1984-01-10 1984-10-12 Form-separating device for perforated webs with feed-holes

Country Status (5)

Country Link
US (1) US4605145A (en)
EP (1) EP0150661B1 (en)
JP (1) JPS60147366A (en)
AT (1) ATE26947T1 (en)
DE (1) DE3400894C2 (en)

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WO1990011895A1 (en) * 1989-04-05 1990-10-18 Siemens Nixdorf Informationssysteme Aktiengesellschaft Paper feed device for the transfer station of an electrophotographic printing device

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US4449763A (en) * 1981-10-23 1984-05-22 Barnett Loren A Protective cover for keyboard machines
US4422787A (en) * 1982-05-10 1983-12-27 Guthrie George L Tear bar for a printer

Also Published As

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ATE26947T1 (en) 1987-05-15
US4605145A (en) 1986-08-12
EP0150661A1 (en) 1985-08-07
JPS60147366A (en) 1985-08-03
DE3400894A1 (en) 1985-07-18
DE3400894C2 (en) 1987-01-22

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