EP0309811A2 - Document printer - Google Patents

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Publication number
EP0309811A2
EP0309811A2 EP88115019A EP88115019A EP0309811A2 EP 0309811 A2 EP0309811 A2 EP 0309811A2 EP 88115019 A EP88115019 A EP 88115019A EP 88115019 A EP88115019 A EP 88115019A EP 0309811 A2 EP0309811 A2 EP 0309811A2
Authority
EP
European Patent Office
Prior art keywords
print head
roller
document
ink ribbon
ribbon
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.)
Granted
Application number
EP88115019A
Other languages
German (de)
French (fr)
Other versions
EP0309811A3 (en
EP0309811B1 (en
Inventor
Gerhard Piller
Michael Schwarzbauer
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.)
Oce Document Technologies GmbH
Original Assignee
Computer Gesellschaft Konstanz mbH
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 Computer Gesellschaft Konstanz mbH filed Critical Computer Gesellschaft Konstanz mbH
Priority to AT88115019T priority Critical patent/ATE99232T1/en
Publication of EP0309811A2 publication Critical patent/EP0309811A2/en
Publication of EP0309811A3 publication Critical patent/EP0309811A3/en
Application granted granted Critical
Publication of EP0309811B1 publication Critical patent/EP0309811B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • B41J2/00—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed
    • B41J2/315—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed characterised by selective application of heat to a heat sensitive printing or impression-transfer material
    • B41J2/32—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed characterised by selective application of heat to a heat sensitive printing or impression-transfer material using thermal heads
    • B41J2/325—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed characterised by selective application of heat to a heat sensitive printing or impression-transfer material using thermal heads by selective transfer of ink from ink carrier, e.g. from ink ribbon or sheet

Definitions

  • the invention relates to a device for printing receipts according to the features of the preamble of claim 1.
  • Modern document processing systems with devices for optical character recognition are increasingly being equipped with printing devices with which additional data, preferably receipt data, can be printed. Since such printing devices have to be arranged between the reading device and the adjoining compartment path with one or more storage compartments, and usually there is little space available, the installation of a printing device occasionally presents major problems. In addition, the printing device usually has to be serviced at regular intervals.
  • the present invention is therefore based on the object of designing and arranging a device for printing receipts in a receipt processing device in such a way that the printing device is easily accessible and can be easily maintained.
  • the figure shows a schematic representation of a document processing device, for example a form reader with optical character recognition. It shows in detail an input table 1 with a first singling roll 2, which pulls the topmost document from a document stack 3 lying on the input table 1 and guided by a lateral stop and fed to a second singling roll 4.
  • This second singling roller 4 is followed by a transport route with accelerator roller 5, which transfers the document to further means of transport.
  • These further transport means consist of two rows of parallel pairs of rollers 6, 7, between which an optoelectric reading device, not shown, is provided.
  • a deflection roller 8 which forwards the document together with a curved outer baffle (not shown) to a section 9.
  • the document processing device also contains a printing device 12 which is designed as an independent structural unit and is arranged such that the print head 13 of the printing device 12 is located in front of a counter-pressure roller 14.
  • This counter pressure roller 14 is made of foam, rubber or the like and is arranged next to the deflection roller 8 which does not record the full width of the document so that its apex line facing the print head 13 runs in alignment with a corresponding apex line in the document guide of the deflection roller 8.
  • the entire printing device 12 is also held in guide elements (not shown) and can be pulled out tangentially to the apex line of the counterpressure roller 14 along the guide elements from the printing position (see arrow).
  • the printing device works, for example, according to the thermal transfer principle, in which the print head 13 consists of a series of thermal printing dots which are activated and heated in accordance with the character code provided in the character generator. At the same time, the print head 13 is pressed with a defined contact pressure by means of a lifting magnet 15 against a thermal ink ribbon 16, which in turn is pressed against the counter-pressure roller 14. By heating the print head 13, the thermal ink ribbon 16 is heated point by point, with corresponding ink dots being transferred from the thermal ink ribbon 16 to the paper of a document transported between the thermal ink ribbon 16 and the counter-pressure roller 14.
  • the thermal transfer principle has the advantage over other printing methods, in particular dot-matrix or ink-jet printing methods, that it is quieter in comparison to dot-matrix printing and that, in contrast to ink-jet printing, it is both independent of the paper quality and independent of the respective installation position in the device .
  • an approximately rectangular cassette 17 is provided, which has two ribbon winding cores which can be plugged onto guide pins - winding core 18, winding core 19 - and in which the thermal ink ribbon 16 has a series of deflection rollers 20 along a longitudinal edge on the print head 13 is moved past.
  • this longitudinal edge has two openings 21, 22, of which the first opening 21 in the region of the print head 13 and the second opening 22, relative to the center line running between the two tape winding cores 18, 19, is arranged mirror-symmetrically to the opening 21.
  • the two approximately rectangular openings 21, 22 are selected so large that, as can be seen in the opening 21, the print head 13 can dip into the cassette 17 behind the thermal ink ribbon 16.
  • a U-shaped slot opening 23, 24 for a capstan drive shaft 25 and a light barrier 26 is provided on each of the two narrow sides of the cassette 17.
  • the arrangement of the individual openings 21, 22 and 23, 24 is expediently chosen so that the cassette can be used as a reversible cassette in multiple operation.
  • the thermal Ribbon 16 For driving the thermal Ribbon 16 provides the aforementioned capstan drive shaft 25 and a pressure roller 27 which presses against the other side of the ribbon when the printing device 12 is in the inserted state.
  • a slip coupling integrated in the capstan drive shaft 25 also causes the higher ribbon speed per se to the lower transport speed the print template moved past the print head 13 is adapted.
  • the drive coupled to the drive of the capstan drive shaft 25 for the ribbon winding core 18 receiving the ribbon to be wound is also adjusted by a slip clutch so that there is only a very low driving torque for this ribbon winding core 18.
  • the end of the ribbon is monitored, the position of the light barrier 26 relative to the print head 13 being selected such that all documents already in transit are still printed when the end of the ribbon passes the print head before the end of the ribbon 13 reached.

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  • Electronic Switches (AREA)
  • Separation, Sorting, Adjustment, Or Bending Of Sheets To Be Conveyed (AREA)
  • Cash Registers Or Receiving Machines (AREA)
  • Threshing Machine Elements (AREA)
  • Handling Of Sheets (AREA)

Abstract

The printing device (12) is constructed as an independent modular unit and so arranged that the print head (13) is located in front of a counter-pressure roller (14) which is mounted beside the deflection roller (8) of the document processing equipment, which roller does not extend across the full width of the document, in such a manner that its crown line facing the print head (13) runs aligned with a corresponding crown line of the deflection roller (8). The modular unit is held in guidance elements and can be drawn out from the printing position along the guidance elements tangentially to the crown line of the counter-pressure roller (14). Preferably, a print head (13) having a thermal ink ribbon (16) transported synchronously with the document, and operating by the thermal transfer principle serves as the printing device (12). <IMAGE>

Description

Die Erfindung betrifft eine Vorrichtung zum Bedrucken von Be­legen gemäß den Merkmalen des Oberbegriffs des Anspruchs 1.The invention relates to a device for printing receipts according to the features of the preamble of claim 1.

Moderne Belegverarbeitungsanlagen mit Einrichtungen zur opti­schen Zeichenerkennung werden in zunehmenden Maße mit Druck­einrichtungen ausgestattet, mit denen zusätzliche Daten, vor­zugsweise Quittungsdaten, aufgedruckt werden können. Da der­artige Druckeinrichtungen zwischen der Leseeinrichtung und der sich anschließenden Fachstrecke mit einem oder mehreren Ablagefächern angeordnet werden müssen, und dort üblicherwei­se wenig Platz zur Verfügung steht, bereitet der Einbau einer Druckeinrichtung gelegentlich große Probleme. Hinzu kommt, daß die Druckeinrichtung üblicherweise in regelmäßigen Ab­ständen gewartet werden muß.Modern document processing systems with devices for optical character recognition are increasingly being equipped with printing devices with which additional data, preferably receipt data, can be printed. Since such printing devices have to be arranged between the reading device and the adjoining compartment path with one or more storage compartments, and usually there is little space available, the installation of a printing device occasionally presents major problems. In addition, the printing device usually has to be serviced at regular intervals.

Der vorliegenden Erfindung liegt daher die Aufgabe zugrunde, eine Vorrichtung zum Bedrucken von Belegen in einer Belegver­arbeitungseinrichtung so auszubilden und anzuordnen, daß die Druckeinrichtung leicht zugänglich ist und einfach gewartet werden kann.The present invention is therefore based on the object of designing and arranging a device for printing receipts in a receipt processing device in such a way that the printing device is easily accessible and can be easily maintained.

Diese Aufgabe wird bei einer Vorrichtung der eingangs genannten Art durch die im kennzeichnenden Teil des Anspruchs 1 angege­gebenen Maßnahmen gelöst. Durch die Ausbildung als selbständige Baueinheit, die bis auf die Gegenandruckrolle alle Komponenten der Druckeinrichtung enthält, kann die Vorrichtung relativ ein­fach aus der Gesamtanordnung entnommen und damit in einfacher Weise gewartet werden. Die Anordnung der Druckvorrichtung im Umlenkbereich der Belegtransportstrecke hat außerdem den Vor­teil, daß die Druckvorrichtung ohne Eingriff in die Belegtrans­portstrecke seitlich angesetzt werden kann.This object is achieved in a device of the type mentioned by the measures specified in the characterizing part of claim 1. Due to the design as an independent structural unit, which contains all components of the printing device except for the counter-pressure roller, the device can be removed from the overall arrangement relatively easily and can therefore be easily maintained. The arrangement of the printing device in the deflection area of the document transport route also has the advantage that the printing device can be attached laterally without intervention in the document transport route.

Vorteilhafte Weiterbildungen der Erfindung sind in den Unter­ansprüchen angegeben.Advantageous developments of the invention are specified in the subclaims.

Ein Ausführungsbeispiel der Erfindung wird im folgenden anhand der Zeichnung näher erläutert.An embodiment of the invention is explained below with reference to the drawing.

Die Figur zeigt in schematischer Darstellung eine Belegverar­beitungseinrichtung, beispielsweise ein Formularlesegerät mit optischer Zeichenerkennung. Sie zeigt im einzelnen einen Ein­gabetisch 1 mit einer ersten Vereinzelerrolle 2, die den je­weils obersten Beleg von einem auf dem Eingabetisch 1 liegend angeordneten und durch einen seitlichen Anschlag geführten Be­legstapel 3 seitlich abzieht und einer zweiten Vereinzeler­rolle 4 zugeführt. An diese zweite Vereinzelerrolle 4 schließt sich eine Transportstrecke mit Beschleunigerrolle 5 an, die den Beleg an weiterführende Transportmittel übergibt. Diese weiterführenden Transportmittel bestehen aus zwei Reihen parallel verlaufender Rollenpaare 6, 7, zwischen denen eine nicht dargestellte optoelektrische Leseeinrichtung vorgesehen ist. Als nächstes folgt eine Umlenkrolle 8, die den Beleg zu­sammen mit einem gebogenen Außenleitblech ( nicht dargestellt) an eine Fachstrecke 9 weiterleitet. Diese Fachstrecke 9 ist schwenkbar gelagert, so daß die Belege wahlweise in eines der beiden Ablagefächer 10, 11 abgelegt werden können. Die Beleg­verarbeitungseinrichtung enthält ferner eine Druckeinrichtung 12, die als selbständige Baueinheit ausgebildet und so angeord­net ist, daß sich der Druckkopf 13 der Druckvorrichtung 12 vor einer Gegenandruckrolle 14 befindet. Diese Gegenandruck­rolle 14 besteht aus Schaumstoff, Gummi oder dergleichen und ist neben der den Beleg nicht in voller Breite erfassenden Umlenkrolle 8 so angeordnet, daß ihre dem Druckkopf 13 zu­gewandte Scheitellinie fluchtend zu einer entsprechenden Scheitellinie in der Belegführung der Umlenkrolle 8 verläuft. Die gesamte Druckvorrichtung 12 ist ferner in Führungsele­menten (nicht dargestellt) gehalten und tangential zur Schei­tellinie der Gegenandruckrolle 14 entlang der Führungsele­mente aus der Druckposition herausziehbar (siehe Pfeil).The figure shows a schematic representation of a document processing device, for example a form reader with optical character recognition. It shows in detail an input table 1 with a first singling roll 2, which pulls the topmost document from a document stack 3 lying on the input table 1 and guided by a lateral stop and fed to a second singling roll 4. This second singling roller 4 is followed by a transport route with accelerator roller 5, which transfers the document to further means of transport. These further transport means consist of two rows of parallel pairs of rollers 6, 7, between which an optoelectric reading device, not shown, is provided. Next follows a deflection roller 8, which forwards the document together with a curved outer baffle (not shown) to a section 9. This compartment track 9 is pivotally mounted, so that the receipts can optionally be placed in one of the two storage compartments 10, 11. The document processing device also contains a printing device 12 which is designed as an independent structural unit and is arranged such that the print head 13 of the printing device 12 is located in front of a counter-pressure roller 14. This counter pressure roller 14 is made of foam, rubber or the like and is arranged next to the deflection roller 8 which does not record the full width of the document so that its apex line facing the print head 13 runs in alignment with a corresponding apex line in the document guide of the deflection roller 8. The entire printing device 12 is also held in guide elements (not shown) and can be pulled out tangentially to the apex line of the counterpressure roller 14 along the guide elements from the printing position (see arrow).

Die Druckvorrichtung arbeitet beispielsweise nach dem Thermo-­Transfer-Prinzip, bei dem der Druckkopf 13 aus einer Reihe von Thermo-Druckpunkten besteht, die entsprechend dem im Zei­chengenerator vorgesehenen Zeichencode angesteuert und erwärmt werden. Gleichzeitig wird der Druckkopf 13 mit definiertem Anpreßdruck mit Hilfe eines Hubmagneten 15 gegen ein Thermo-­Farbband 16 gedrückt, das seinerseits gegen die Gegenandruck­rolle 14 gedrückt wird. Durch die Erwärmung des Druckkopfes 13 wird das Thermo-Farbband 16 punktweise erhitzt, wobei entspre­chende Farbpunkte vom ThermoFarbband 16 auf das Papier eines zwischen Thermo-Farbband 16 und der Gegenandruckrolle 14 trans­portierten Beleges übertragen werden. Das Thermo-Transfer-Prin­zip hat gegenüber anderen Druckverfahren, insbesondere Nadel­druck-oder Tintenstrahldruckverfahren, den Vorteil, daß es im Vergleich zum Nadeldruck geräuschärmer ist und daß es im Gegen­satz zum Tintenstrahldruck sowohl unabhängig von der Papierqua­lität als auch unabhängig von der jeweiligen Einbaulage im Ge­rät ist. Für den Transport des Thermo-Farbbandes 16 ist bei­spielsweise eine etwa rechteckförmige Kassette 17 vorgesehen, die zwei auf Führungsdorne aufsteckbare Bandwickelkerne - Aufwickelkern 18, Abwickelkern 19 - aufweist und bei der das Thermo-Farbband 16 über eine Reihe von Umlenkrollen 20 entlang einer Längskante am Druckkopf 13 vorbeibewegt wird. Zu diesem Zweck weist diese Längskante zwei Öffnungen 21, 22 auf, von denen die erste Öffnung 21 im Bereich des Druckkopfes 13 und die zweite Öffnung 22, bezogen auf die zwischen den beiden Band­wickelkernen 18, 19 verlaufende Mittellinie spiegelsymmetrisch zur Öffnung 21 angeordnet ist. Die beiden etwa rechteckförmi­gen Öffnungen 21, 22 sind dabei so groß gewählt, daß, wie bei der Öffnung 21 ersichtlich, der Druckkopf 13 hinter dem Thermo-Farbband 16 in die Kassette 17 eintauchen kann. Schließlich ist an den beiden Schmalseiten der Kassette 17 je eine U-förmige Schlitzöffnung 23, 24 für eine Kapstan-­Antriebswelle 25 bzw. eine Lichtschranke 26 vorgesehen. Die Anordnung der einzelnen Öffnungen 21, 22 bzw. 23, 24 ist zweckmäßig so gewählt, daß die Kassette als Wendekassette im Mehrfachbetrieb einsetzbar ist. Für den Antrieb des Thermo-­ Farbbandes 16 sorgt die bereits erwähnte Kapstan-Antriebswel­le 25 und eine im eingeschobenen Zustand der Druckvorrichtung 12 von der anderen Seite des Bandes gegendrückende Andruck­rolle 27. Eine in der Kapstan-Antriebswelle 25 integrierte Rutschkopplung bewirkt außerdem, daß die an sich höhere Farb­bandgeschwindigkeit an die niedrigere Transportgeschwindigkeit der am Druckkopf 13 vorbeibewegten Druckvorlage angepaßt wird. Der mit dem Antrieb der Kapstan-Antriebswelle 25 gekoppelte Antrieb für den das aufzuwickelnde Farbband aufnehmenden Bandwickelkern 18 wird ebenfalls durch eine Rutschkupplung so eingestellt, daß sich für diesen Bandwickelkern 18 nur ein sehr geringes Antriebsmoment ergibt. Mit der in der U-för­migen Schlitzöffnung 24 vorgesehenen Lichtschranke 26 wird das Bandende überwacht, wobei die Lage der Lichtschranke 26 zum Druckkopf 13 so gewählt ist, daß bei einer Bandendemeldung alle bereits auf dem Transportweg befindlichen Belege noch gedruckt werden, bevor das Bandende den Druckkopf 13 erreicht.The printing device works, for example, according to the thermal transfer principle, in which the print head 13 consists of a series of thermal printing dots which are activated and heated in accordance with the character code provided in the character generator. At the same time, the print head 13 is pressed with a defined contact pressure by means of a lifting magnet 15 against a thermal ink ribbon 16, which in turn is pressed against the counter-pressure roller 14. By heating the print head 13, the thermal ink ribbon 16 is heated point by point, with corresponding ink dots being transferred from the thermal ink ribbon 16 to the paper of a document transported between the thermal ink ribbon 16 and the counter-pressure roller 14. The thermal transfer principle has the advantage over other printing methods, in particular dot-matrix or ink-jet printing methods, that it is quieter in comparison to dot-matrix printing and that, in contrast to ink-jet printing, it is both independent of the paper quality and independent of the respective installation position in the device . For the transport of the thermal ink ribbon 16, for example, an approximately rectangular cassette 17 is provided, which has two ribbon winding cores which can be plugged onto guide pins - winding core 18, winding core 19 - and in which the thermal ink ribbon 16 has a series of deflection rollers 20 along a longitudinal edge on the print head 13 is moved past. For this purpose, this longitudinal edge has two openings 21, 22, of which the first opening 21 in the region of the print head 13 and the second opening 22, relative to the center line running between the two tape winding cores 18, 19, is arranged mirror-symmetrically to the opening 21. The two approximately rectangular openings 21, 22 are selected so large that, as can be seen in the opening 21, the print head 13 can dip into the cassette 17 behind the thermal ink ribbon 16. Finally, a U-shaped slot opening 23, 24 for a capstan drive shaft 25 and a light barrier 26 is provided on each of the two narrow sides of the cassette 17. The arrangement of the individual openings 21, 22 and 23, 24 is expediently chosen so that the cassette can be used as a reversible cassette in multiple operation. For driving the thermal Ribbon 16 provides the aforementioned capstan drive shaft 25 and a pressure roller 27 which presses against the other side of the ribbon when the printing device 12 is in the inserted state. A slip coupling integrated in the capstan drive shaft 25 also causes the higher ribbon speed per se to the lower transport speed the print template moved past the print head 13 is adapted. The drive coupled to the drive of the capstan drive shaft 25 for the ribbon winding core 18 receiving the ribbon to be wound is also adjusted by a slip clutch so that there is only a very low driving torque for this ribbon winding core 18. With the light barrier 26 provided in the U-shaped slot opening 24, the end of the ribbon is monitored, the position of the light barrier 26 relative to the print head 13 being selected such that all documents already in transit are still printed when the end of the ribbon passes the print head before the end of the ribbon 13 reached.

Claims (9)

1. Vorrichtung zum Bedrucken von Belegen in einer Belegver­arbeitungseinrichtung mit einem Eingabetisch für stapelweise abgelegte Belege, einer im Zuge der Belegtransportstrecke vor der Druckeinrichtung angeordneten Leseeinrichtung und einer nach der Leseeinrichtung angeordneten Umlenkrolle zur Umlenkung der Belege in unterhalb des Eingabetisches angeordnete Ablage­fächer,
dadurch gekennzeichnet, daß die Druck­vorrichtung (12), bestehend aus einem Druckkopf (13) und einem Transportsystem für ein zwischen zwei Bandwickelkernen (18, 19) am Druckkopf (13) vorbeibewegbares Farbband (16) als selbständige Baueinheit ausgebildet und so angeordnet ist, daß sich der Druckkopf (13) der Druckvorrichtung (12) vor einer Gegenandruckrolle (14) befindet, die neben der den Be­leg nicht in voller Breite erfassenden Umlenkrolle (8) so gelagert ist, daß ihre dem Druckkopf (13) zugewandte Schei­tellinie fluchtend zu einer entsprechenden Scheitellinie in der Belegführung der Umlenkrolle (8) verläuft und daß die Baueinheit in Führungselementen gehalten und tangential zur Scheitellinie der Gegenandruckrolle (14) entlang der Führungs­elemente aus der Druckvorrichtung herausziehbar ist.1.Device for printing receipts in a receipt processing device with an input table for receipts deposited in stacks, a reading device arranged in front of the printing device in the course of the receipt transport path and a deflection roller arranged after the reading device for deflecting the receipts into storage compartments arranged below the entry table,
characterized in that the printing device (12), consisting of a print head (13) and a transport system for an ink ribbon (16) which can be moved past the print head (13) between two ribbon winding cores (18, 19), is designed as an independent structural unit and is arranged in such a way that the print head (13) of the printing device (12) is located in front of a counter-pressure roller (14) which, in addition to the deflection roller (8) which does not record the full width of the document, is mounted such that its apex line facing the print head (13) is flush with a corresponding one The apex line runs in the document guide of the deflection roller (8) and that the structural unit is held in guide elements and can be pulled out tangentially to the apex line of the counterpressure roller (14) along the guide elements from the printing device. 2. Vorrichtung nach Anspruch 1,
dadurch gekennzeichnet, daß das Trans­portsystem für das Farbband als im wesentlichen rechteckför­mige Kassette (17) ausgebildet ist, die auf Führungsdorne für die beiden Bandwickelkerne (18, 19) aufsetzbar ist und die an der dem Druckkopf (13) zugewandten Längskante wenigstens eine rechteckförmige Öffnung (21, 22) für den hinter dem Farb­band (16) in die Kassette (17) eintauchenden Druckkopf (13) und ferner eine weitere Öffnung (23) für eine dem Aufwickel­kern (18) vorgelagerte Kapstan-Antriebswelle (25) aufweist.2. Device according to claim 1,
characterized in that the transport system for the ink ribbon is designed as an essentially rectangular cassette (17) which can be placed on guide pins for the two ribbon winding cores (18, 19) and which has at least one rectangular opening on the longitudinal edge facing the print head (13) ( 21, 22) for the print head (13) which dips into the cassette (17) behind the ink ribbon (16) and also has a further opening (23) for a capstan drive shaft (25) upstream of the winding core (18). 3. Vorrichtung nach Anspruch 2,
dadurch g e k e nn zeichnet, daß die Kapstan­ antriebswelle (25) eine Rutschkupplung aufweist, welche die an sich höhere Bandgeschwindigkeit an die niedrigere Trans­portgeschwindigkeit des zwischen Farbband (16) und Gegenan­druckrolle (14) geführten Beleges anpaßt.3. Device according to claim 2,
characterized in that the capstan drive shaft (25) has a slip clutch, which adapts the higher belt speed per se to the lower transport speed of the document guided between the ink ribbon (16) and the counterpressure roller (14). 4. Vorrichtung nach Anspruch 3,
dadurch gekennzeichnet, daß der eben­falls mit einer Rutschkupplung versehene Antrieb für den Auf­wickelkern (18) mit dem Antrieb für die Kapstan-Antriebswel­le (25) gekoppelt und ein relativ geringes Antriebsmoment aufweist.4. The device according to claim 3,
characterized in that the drive for the winding core (18) , which is also provided with a slip clutch, is coupled to the drive for the capstan drive shaft (25) and has a relatively low drive torque. 5. Vorrichtung nach einem der Ansprüche 2 bis 4,
dadurch gekennzeichnet, daß im Bereich des Abwickelkerns (19) eine weitere Öffnung (24) für eine das Farbbandende überwachende Lichtschranke (26) vorgesehen ist.5. Device according to one of claims 2 to 4,
characterized in that a further opening (24) for a light barrier (26) monitoring the ribbon end is provided in the region of the unwinding core (19). 6. Vorrichtung nach Anspruch 5,
dadurch gekennzeichnet, daß die der Kapstan-Antriebswelle (25) einerseits und der Lichtschranke (26) andererseits zugeordneten Öffnungen (23, 24) an den Schmalseiten der Kassette in einer, bezogen auf die Mittelli­nie zwischen den beiden Bandwickelkernen (18, 19) spiegel­symmetrischen Lage zueinander angeordnet sind.6. The device according to claim 5,
characterized in that the openings (23, 24) assigned to the capstan drive shaft (25) on the one hand and the light barrier (26) on the other hand on the narrow sides of the cassette in a mirror-symmetrical position with respect to the center line between the two tape winding cores (18, 19) are arranged to each other. 7. Vorrichtung nach Anspruch 6, dadurch gekenn­zeichnet, daß die Öffnungen (23, 24) für die Kapstan-­Antriebswelle (25) und die Lichtschranke (26) als U-förmige Schlitze ausgebildet sind.7. The device according to claim 6, characterized in that the openings (23, 24) for the capstan drive shaft (25) and the light barrier (26) are designed as U-shaped slots. 8. Vorrichtung nach einem der vorhergehenden Ansprüche,
dadurch gekennzeichnet, daß als Druckvorrichtung (12) ein Thermo-Transfer-Druckkopf (13) mit Thermo-Farbband (16) vorgesehen ist.8. Device according to one of the preceding claims,
characterized in that a thermal transfer print head (13) with thermal ink ribbon (16) is provided as the printing device (12). 9. Vorrichtung nach einem der vorhergehenden Ansprüche,
dadurch gekennzeichnet, daß die Gegenandruckrolle (14) aus Gummi, Schaumstoff oder der­gleichen besteht.9. Device according to one of the preceding claims,
characterized in that the counter pressure roller (14) consists of rubber, foam or the like.
EP88115019A 1987-09-28 1988-09-14 Document printer Expired - Lifetime EP0309811B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT88115019T ATE99232T1 (en) 1987-09-28 1988-09-14 DEVICE FOR PRINTING RECEIPTS.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3732622 1987-09-28
DE19873732622 DE3732622A1 (en) 1987-09-28 1987-09-28 DEVICE FOR PRINTING DOCUMENTS

Publications (3)

Publication Number Publication Date
EP0309811A2 true EP0309811A2 (en) 1989-04-05
EP0309811A3 EP0309811A3 (en) 1991-01-09
EP0309811B1 EP0309811B1 (en) 1993-12-29

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Family Applications (1)

Application Number Title Priority Date Filing Date
EP88115019A Expired - Lifetime EP0309811B1 (en) 1987-09-28 1988-09-14 Document printer

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EP (1) EP0309811B1 (en)
AT (1) ATE99232T1 (en)
DE (2) DE3732622A1 (en)
ES (1) ES2047518T3 (en)

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10039699C2 (en) 2000-08-14 2003-12-04 Wincor Nixdorf Int Gmbh Device for processing betting slips

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2333250B2 (en) * 1973-06-29 1975-05-15 K.K. Copal, Tokio Thermal printer
GB2069933A (en) * 1980-02-09 1981-09-03 Teraoka Seikosho Kk Thermoprinting apparatus
EP0111297A2 (en) * 1982-12-07 1984-06-20 Kabushiki Kaisha Toshiba Thermal printing apparatus
DE3438663A1 (en) * 1983-10-20 1985-05-09 Ricoh Co., Ltd., Tokio/Tokyo THERMAL PRINTER

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2333250B2 (en) * 1973-06-29 1975-05-15 K.K. Copal, Tokio Thermal printer
GB2069933A (en) * 1980-02-09 1981-09-03 Teraoka Seikosho Kk Thermoprinting apparatus
EP0111297A2 (en) * 1982-12-07 1984-06-20 Kabushiki Kaisha Toshiba Thermal printing apparatus
DE3438663A1 (en) * 1983-10-20 1985-05-09 Ricoh Co., Ltd., Tokio/Tokyo THERMAL PRINTER

Also Published As

Publication number Publication date
ES2047518T3 (en) 1994-03-01
ATE99232T1 (en) 1994-01-15
DE3886644D1 (en) 1994-02-10
EP0309811A3 (en) 1991-01-09
EP0309811B1 (en) 1993-12-29
DE3732622A1 (en) 1989-04-06

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