EP0240673B1 - Ink ribbon mechanism for printers, particularly for matrix printers - Google Patents

Ink ribbon mechanism for printers, particularly for matrix printers Download PDF

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Publication number
EP0240673B1
EP0240673B1 EP87102000A EP87102000A EP0240673B1 EP 0240673 B1 EP0240673 B1 EP 0240673B1 EP 87102000 A EP87102000 A EP 87102000A EP 87102000 A EP87102000 A EP 87102000A EP 0240673 B1 EP0240673 B1 EP 0240673B1
Authority
EP
European Patent Office
Prior art keywords
ribbon
pair
pins
cartridge
ink 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.)
Expired - Lifetime
Application number
EP87102000A
Other languages
German (de)
French (fr)
Other versions
EP0240673A2 (en
EP0240673A3 (en
Inventor
Günter Dipl.-Ing. Gomoll (FH)
Wolfgang Dipl.-Ing. Hauslaib (Fh)
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
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 Mannesmann AG filed Critical Mannesmann AG
Priority to AT87102000T priority Critical patent/ATE75188T1/en
Publication of EP0240673A2 publication Critical patent/EP0240673A2/en
Publication of EP0240673A3 publication Critical patent/EP0240673A3/en
Application granted granted Critical
Publication of EP0240673B1 publication Critical patent/EP0240673B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • 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
    • B41J35/00—Other apparatus or arrangements associated with, or incorporated in, ink-ribbon mechanisms
    • B41J35/04—Ink-ribbon guides
    • B41J35/10—Vibrator mechanisms; Driving gear therefor
    • B41J35/12—Vibrator mechanisms; Driving gear therefor adjustable, e.g. for case shift
    • B41J35/14—Vibrator mechanisms; Driving gear therefor adjustable, e.g. for case shift for multicolour work; for ensuring maximum life of ink ribbon; for rendering ink-ribbon inoperative
    • 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
    • B41J32/00—Ink-ribbon cartridges
    • B41J32/02—Ink-ribbon cartridges for endless ribbons

Definitions

  • the invention relates to an ink ribbon cassette for printers, in particular for matrix printers, with bearing pins fastened to the ink ribbon housing and arranged on the broad sides of the exchangeable ink ribbon housing.
  • the ribbon cassette housings contain endless ribbons that are driven by an externally connectable drive by means of pairs of rollers arranged inside.
  • the ribbon exits a housing protrusion through a housing exit nearby at one end of the platen, is passed through the reciprocating printhead along a platen and runs through a housing input near the other end on the platen into an opposite housing protrusion.
  • the endless ribbon is circulated in this way.
  • the ribbon housing is interchangeable and rests in bearings that are open at the top.
  • a known solution which relates to a multicolored ink ribbon, has such a device.
  • the ribbon housing is pivotally held in bearings of the printer frame by means of an aligned pair of pins, so that the adjacent traces of the individual colors of the multicolor ink ribbon can be moved up and down by a nodding movement of the ribbon housing in front of the printing point of the platen.
  • This pitching movement is controlled by a curve a cam cam generated, which is driven by an electric rotary motor.
  • the known solution is limited to multi-colored ribbons.
  • a redesigned ribbon housing must therefore be created for monochrome ribbons, so that two different ribbon housings are required. This is time-consuming, time-consuming and therefore costly to manufacture the ribbon cassettes.
  • the system with two different ribbon housings increases, for example, the storage and thus the storage costs.
  • the invention is therefore based on the object of proposing a single ribbon housing which is suitable for both single-color and multicolor ribbons. For this reason, only a uniform ribbon housing should be equipped with different ribbons during the production of the ribbon housing.
  • the ribbon housing for single-color ribbons and for multicolor ribbons is uniformly provided with two pairs of bearing journals and that a flat support projection is provided opposite each other on the broad sides of the ribbon housing for cam curves.
  • This system requires only a single injection tool in the production of the ribbon housing.
  • the ribbon housings produced in the injection mold are filled either with a single-color ribbon or with a multicolor ribbon.
  • the printer When installing the ribbon cassette, the printer itself can be equipped for a single-color or a multi-color system. In both cases the ribbon housing is the same or already prepared for the respective application.
  • the corresponding components on the printer are also easy to convert in production and assembly. Instead of a cam cam control, only a second bearing is provided, which allows a rigid arrangement of the ribbon housing.
  • the ribbon device uses an ink ribbon cassette (1) with a central part (2) and broad sides (3 and 4) arranged on the left and right, which enclose a free space (5) in which the carriage (not shown) with a print head of a printer moves.
  • the broad side (3) ends with a housing outlet (6) from which a single-color ribbon (7) or a multicolor ribbon (8) emerges and through a housing entrance (9) back into the other broad side (4), so that the ribbon is guided in a circle.
  • the drive of the respective ribbon consists of pairs of rollers arranged inside the ribbon housing (10), which are automatically coupled to a drive when the ribbon housing is inserted into the printer.
  • the ribbon housing (10) is uniformly provided for all ribbons with a first pair of bearing pins (11a, 11b) and at a certain distance with a second pair of bearing pins (12a and 12b). Then a flat support projection (13a and 13b) is injection molded onto the broad sides (3 and 4).
  • the ribbon housing (10) according to FIGS. 1 and 2 is already filled either with a single-color ribbon (7) or with a multicolor ribbon (8) after production and closed as usual with a lid.
  • the ribbon housing (10) is supported with the flat support projection (13b or 13a) on this cam curve (17), so that when the ribbon housing (10) rotates in the direction of the arrow (19) one of the ribbon tracks of different colors corresponding to that described Pitching movements is set.

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  • Impression-Transfer Materials And Handling Thereof (AREA)

Abstract

A ribbon cartridge may contain a single color ribbon or a multicolor ribbon, and is of wide U construction with a first pair of aligned (coaxial) pivot pins extending away from sides at locations therefrom remote from the legs of the U; a second pair of pins extends also from the sides and parallel to the first pair of pins; finally, a pair of support projections extend from the legs and also in opposite directions from the sides; the printer has two pivot mounts for receiving the pins of the first pair to thereby mount the cartridge, permitting pitch-like pivoting; in addition, the printer contains either (a) a second pair of mounts open from above for receiving the pins of the second pair, and thereby mounting the cartridge in a fixed position for single color printing, or (b) a cam shaft with at least one cam of different radial dimensions for engaging at least one of the projections such that upon turning of the cam a variable pivot-pitch is imparted upon the cartridge, the pins of the second pair being unimpeded.

Description

Die Erfindung betrifft eine Farbbandkassette für Drucker, insbesondere für Matrixdrucker, mit am Farbbandgehäuse befestigten Lagerzapfen, die an den Breitseiten des auswechselbaren Farbbandgehäuses angeordnet sind.The invention relates to an ink ribbon cassette for printers, in particular for matrix printers, with bearing pins fastened to the ink ribbon housing and arranged on the broad sides of the exchangeable ink ribbon housing.

Die Farbbandkassettengehäuse enthalten Endlosfarbbänder, die durch einen von außen ankuppelbaren Antrieb mittels im Innern angeordneter Rollenpaare angetrieben werder. Das Farbband verläßt durch einen Gehäuseausgang in der Nähe an einem Ende des Schreibwiderlagers einen Gehäusevorsprung, wird durch den hin- und hergehenden Druckkopf entlang an einem Druckwiderlager geführt und läuft durch einen Gehäuseeingang in der Nähe des anderen Endes am Schreibwiderlager in einen gegenüberliegenden Gehäusevorsprung. Das Endlosfarbband wird auf diese Art im Kreislauf geführt. Das Farbbandgehäuse ist auswechselbar und ruht in Lagern, die oben offen sind.The ribbon cassette housings contain endless ribbons that are driven by an externally connectable drive by means of pairs of rollers arranged inside. The ribbon exits a housing protrusion through a housing exit nearby at one end of the platen, is passed through the reciprocating printhead along a platen and runs through a housing input near the other end on the platen into an opposite housing protrusion. The endless ribbon is circulated in this way. The ribbon housing is interchangeable and rests in bearings that are open at the top.

Eine bekannte Lösung (EP 0 158 963), die ein mehrfarbiges Farbband betrifft, weist eine solche Einrichtung auf. Das Farbbandgehäuse ist mittels eines fluchtenden Zapfenpaares in Lagern des Druckerrahmens schwenkbar gehalten, so daß die nebeneinanderliegenden Spuren der einzelnen Farben des Mehrfarben-Farbbandes durch eine Nickbewegung des Farbbandgehäuses vor der Druckstelle des Schreibwiderlagers aufund abbewegt werden kann. Diese Nickbewegung wird durch eine Kurvensteuerung einer Kurvennocke erzeugt, die mittels eines elektrischen Drehmotors angetrieben ist. Die bekannte Lösung ist jedoch auf mehrfarbige Farbbänder beschränkt. Für einfarbige Farbbänder muß daher ein umgestaltetes Farbbandgehäuse geschaffen werden, so daß zwei unterschiedliche Farbbandgehäuse erforderlich werden. Bei der Herstellung der Farbbandkassetten ist dieser Umstand zeitraubend, aufwendig und damit kostspielig. Das System mit zwei unterschiedlichen Farbbandgehäusen erhöht z.B. die Lagerhaltung und damit die Lagerkosten.A known solution (EP 0 158 963), which relates to a multicolored ink ribbon, has such a device. The ribbon housing is pivotally held in bearings of the printer frame by means of an aligned pair of pins, so that the adjacent traces of the individual colors of the multicolor ink ribbon can be moved up and down by a nodding movement of the ribbon housing in front of the printing point of the platen. This pitching movement is controlled by a curve a cam cam generated, which is driven by an electric rotary motor. However, the known solution is limited to multi-colored ribbons. A redesigned ribbon housing must therefore be created for monochrome ribbons, so that two different ribbon housings are required. This is time-consuming, time-consuming and therefore costly to manufacture the ribbon cassettes. The system with two different ribbon housings increases, for example, the storage and thus the storage costs.

Der Erfindung liegt deshalb die Aufgabe zugrunde, ein einziges Farbbandgehäuse vorzuschlagen, das sowohl für Einfarben- als auch für Mehrfarben-Farbbänder geeignet ist. Es soll daher bei der Fertigung der Farbbandgehäuse nur noch ein einheitliches Farbbandgehäuse mit unterschiedlichen Farbbändern bestückt werden.The invention is therefore based on the object of proposing a single ribbon housing which is suitable for both single-color and multicolor ribbons. For this reason, only a uniform ribbon housing should be equipped with different ribbons during the production of the ribbon housing.

Die gestellte Aufgabe wird erfindungsgemäß dadurch gelöst, daß das Farbbandgehäuse für Einfarben-Farbbänder und für Mehrfarbenfarbbänder einheitlich mit zwei Paaren von Lagerzapfen versehen ist und daß für in Betriebslage anliegende Nockenkurven gegenüberliegend an den Breitseiten des Farbbandgehäuses jeweils ein ebener Auflagervorsprung vorgesehen ist. Dieses System erfordert in der Fertigung der Farbbandgehäuse nur ein einziges Spritzwerkzeug. Die in dem Spritzwerkzeug hergestellten Farbbandgehäuse werden entweder mit einem Einfarben-Farbband oder mit einem Mehrfarben-Farbband gefüllt. Bei Einbau der Farbbandkassette kann der Drucker selbst für ein Einfarben- oder ein Mehrfarben-System ausgerüstet sein. In beiden Fällen ist das Farbbandgehäuse gleich bzw. für den jeweiligen Anwendungsfall bereits vorbereitet. Die entsprechenden Bauteile am Drucker sind ebenfalls leicht in der Fertigung und in der Montage umzustellen. Es wird lediglich anstelle einer Kurvennockensteuerung ein zweites Lager vorgesehen, das eine starre Anordnung des Farbbandgehäuses gestattet.The object is achieved according to the invention in that the ribbon housing for single-color ribbons and for multicolor ribbons is uniformly provided with two pairs of bearing journals and that a flat support projection is provided opposite each other on the broad sides of the ribbon housing for cam curves. This system requires only a single injection tool in the production of the ribbon housing. The ribbon housings produced in the injection mold are filled either with a single-color ribbon or with a multicolor ribbon. When installing the ribbon cassette, the printer itself can be equipped for a single-color or a multi-color system. In both cases the ribbon housing is the same or already prepared for the respective application. The corresponding components on the printer are also easy to convert in production and assembly. Instead of a cam cam control, only a second bearing is provided, which allows a rigid arrangement of the ribbon housing.

Ein Ausführungsbeispiel der Erfindung ist in der Zeichnung schematisch dargestellt und wird im folgenden näher erläutert. Es zeigen:

Fig. 1
eine Draufsicht auf eine Farbbandkassette,
Fig. 2
eine Seitenansicht zu Fig. 1,
Fig. 3
die Lagerung einer Farbbandkassette mit einem Einfarben-Farbband in Seitenansicht der Betriebslage und
Fig. 4
die Lagerung einer Farbbandkassette mit einem Mehrfarben-Farbband in Seitenansicht der Betriebslage.
An embodiment of the invention is shown schematically in the drawing and is explained in more detail below. Show it:
Fig. 1
a plan view of an ink ribbon cassette,
Fig. 2
2 shows a side view of FIG. 1,
Fig. 3
the storage of a ribbon cassette with a single-color ribbon in a side view of the operating situation and
Fig. 4
the storage of a ribbon cassette with a multicolor ribbon in a side view of the operating situation.

Die Farbbandeinrichtung verwendet eine Farbbandkassette (1) mit einem Mittelteil (2) und links und rechts angeordneten Breitseiten (3 und 4), die einen Freiraum (5) einschließen, in dem sich der (nicht gezeigte) Schlitten mit Druckkopf eines Druckers bewegt. Die Breitseite (3) endet mit einem Gehäuseausgang (6), aus dem ein Einfarben-Farbband (7) oder ein Mehrfarben-Farbband (8) austritt und durch einen Gehäuseeingang (9) wieder in die andere Breitseite (4) eintritt, so daß das Farbband im Kreis geführt wird.The ribbon device uses an ink ribbon cassette (1) with a central part (2) and broad sides (3 and 4) arranged on the left and right, which enclose a free space (5) in which the carriage (not shown) with a print head of a printer moves. The broad side (3) ends with a housing outlet (6) from which a single-color ribbon (7) or a multicolor ribbon (8) emerges and through a housing entrance (9) back into the other broad side (4), so that the ribbon is guided in a circle.

Der Antrieb des jeweiligen Farbbandes besteht aus im Inneren des Farbbandgehäuses (10) angeordneten Rollenpaaren, die bei Einsetzen des Farbbandgehäuses in den Drucker automatisch mit einem Antrieb gekuppelt werden.The drive of the respective ribbon consists of pairs of rollers arranged inside the ribbon housing (10), which are automatically coupled to a drive when the ribbon housing is inserted into the printer.

Das Farbbandgehäuse (10) ist für alle Farbbänder einheitlich mit einem ersten Paar Lagerzapfen (11a,11b) versehen und mit einem gewissen Abstand mit einem zweiten Paar Lagerzapfen (12a und 12b). Sodann ist auf den Breitseiten (3 und 4) jeweils ein ebener Auflagervorsprung (13a und 13b) angespritzt.The ribbon housing (10) is uniformly provided for all ribbons with a first pair of bearing pins (11a, 11b) and at a certain distance with a second pair of bearing pins (12a and 12b). Then a flat support projection (13a and 13b) is injection molded onto the broad sides (3 and 4).

Das Farbbandgehäuse (10) gemäß den Fig. 1 und 2 wird schon nach seiner Fertigung entweder mit einem Einfarben-Farbband (7) oder mit einem Mehrfarben-Farbband (8) gefüllt und wie üblich mit einem Deckel verschlossen.The ribbon housing (10) according to FIGS. 1 and 2 is already filled either with a single-color ribbon (7) or with a multicolor ribbon (8) after production and closed as usual with a lid.

An einem Druckerrahmen (14) eines Druckers, der nur für Einfarben-Farbbänder (7) ausgerüstet ist (Fig. 3), befinden sich für die Lagerzapfen (11a und 11b) bzw. für die Lagerzapfen (12a und 12b) je ein oben offenes Lager (15) und ein solches Lager (16) für eine stationäre Farbbandkassette (1).On a printer frame (14) of a printer, which is only equipped for single-color ribbons (7) (Fig. 3), there are one for the bearing journals (11a and 11b) and one for the bearing journals (12a and 12b) Bearing (15) and such a bearing (16) for a stationary ribbon cassette (1).

An einem anderen Druckerrahmen (14) eines Druckers, der nur oder auch für Mehrfarben-Farbbänder (8) ausgelegt ist (Fig. 4), befindet sich zumindest eine Nockenkurve (17) drehfest auf einer drehangetriebenen Nockenwelle (18).On another printer frame (14) of a printer, which is designed only or also for multicolor ink ribbons (8) (FIG. 4), there is at least one cam curve (17) in a rotationally fixed manner on a rotationally driven camshaft (18).

Das Farbbandgehäuse (10) stützt sich mit dem ebenen Auflagervorsprung (13b bzw. 13a) auf diese Nockenkurve (17), so daß bei deren Drehung das Farbbandgehäuse (10) jeweils in den Pfeilrichtungen (19) auf eine der Farbbandspuren unterschiedlicher Farbe entsprechend der beschriebenen Nickbewegungen eingestellt wird.The ribbon housing (10) is supported with the flat support projection (13b or 13a) on this cam curve (17), so that when the ribbon housing (10) rotates in the direction of the arrow (19) one of the ribbon tracks of different colors corresponding to that described Pitching movements is set.

Bei der Verwendungsweise des Farbbandgehäuses (10) gemäß Fig. 3 sind die Auflagervorsprünge (13a bzw. 13b) nicht in Funktion. Bei der Verwendungsweise des Farbbandgehäuses (10) gemäß Fig. 4 sind hingegen die Lagerzapfen (12b) funktionslos.When using the ink ribbon housing (10) according to FIG. 3, the support projections (13a or 13b) are not in operation. In contrast, when using the ribbon housing (10) according to FIG. 4, the bearing journals (12b) have no function.

Claims (1)

  1. Ink ribbon cassette with journals attached to the ink ribbon casing (10), which journals are disposed on the broad sides (3, 4) of the exchangeable ink ribbon casing (10), characterised in that the ink ribbon casing (10) for single colour ink ribbons (7) and for multi-colour ink ribbons (8) is provided uniformly with two pairs of journals (11a, 11b; 12a, 12b) and that for cam curves (17) bearing thereagainst in the operating position, a flat support projection (13a, 13b) is respectively provided opposite each other on the broad sides (3, 4) of the ink ribbon casing (10).
EP87102000A 1986-03-04 1987-02-12 Ink ribbon mechanism for printers, particularly for matrix printers Expired - Lifetime EP0240673B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT87102000T ATE75188T1 (en) 1986-03-04 1987-02-12 RIBBON EQUIPMENT FOR PRINTERS, ESPECIALLY FOR MATRIX PRINTERS.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19863607081 DE3607081A1 (en) 1986-03-04 1986-03-04 RIBBON DEVICE FOR PRINTERS, ESPECIALLY FOR MATRIX PRINTERS
DE3607081 1986-03-04

Publications (3)

Publication Number Publication Date
EP0240673A2 EP0240673A2 (en) 1987-10-14
EP0240673A3 EP0240673A3 (en) 1989-08-09
EP0240673B1 true EP0240673B1 (en) 1992-04-22

Family

ID=6295468

Family Applications (1)

Application Number Title Priority Date Filing Date
EP87102000A Expired - Lifetime EP0240673B1 (en) 1986-03-04 1987-02-12 Ink ribbon mechanism for printers, particularly for matrix printers

Country Status (5)

Country Link
US (1) US4773776A (en)
EP (1) EP0240673B1 (en)
JP (1) JPS62225386A (en)
AT (1) ATE75188T1 (en)
DE (2) DE3607081A1 (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE8713034U1 (en) * 1987-09-28 1987-11-19 Computer Gesellschaft Konstanz Mbh, 7750 Konstanz Ribbon cassette
DE3814926A1 (en) * 1988-05-03 1989-11-16 Philips Patentverwaltung WRITING DEVICE
US4971463A (en) * 1990-03-16 1990-11-20 Ncr Corporation Printer ribbon cassette mounting apparatus
US5370469A (en) * 1992-07-01 1994-12-06 Oki Electric Industry Co., Ltd. Cassette holder assembly
US5559589A (en) * 1993-09-27 1996-09-24 Compaq Computer Corporation Keying method and apparatus

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE213882C (en) *
US3302766A (en) * 1962-09-12 1967-02-07 Royal Typewriter Co Inc Ribbon handling mechanism
US3819027A (en) * 1971-12-21 1974-06-25 W Landgraf Multiple utility ribbon spool
US4088218A (en) * 1976-10-12 1978-05-09 Ncr Corporation Ribbon cassette with bi-color capability
DE3026310A1 (en) * 1980-07-11 1982-02-04 Olympia Werke Ag, 2940 Wilhelmshaven Easily-convertible typewriter - has combined daisy wheel and print tape cassette designed for ease of insertion and removal
JPS5973986A (en) * 1982-10-22 1984-04-26 Tokyo Electric Co Ltd Printing ribbon exchange apparatus of printer
DE3301933C2 (en) * 1983-01-21 1985-03-07 Triumph-Adler Aktiengesellschaft für Büro- und Informationstechnik, 8500 Nürnberg Device for lifting and transporting ribbon in writing machines and similar machines
JPS6031993A (en) * 1983-07-29 1985-02-18 Ricoh Co Ltd Ribbon-fitting construction for printer
GB8405455D0 (en) * 1984-03-01 1984-04-04 Data Recording Instr Co Printing apparatus
IT1176062B (en) * 1984-04-16 1987-08-12 Honywell Information Systems I MULTICULAR INK TAPE CARTRIDGE AND ITS POSITIONING MECHANISM IN A SERIAL IMPACT PRINTER
US4610555A (en) * 1984-12-20 1986-09-09 Eugene Di Luco Universal ribbon spool for typewriters and other machines

Also Published As

Publication number Publication date
ATE75188T1 (en) 1992-05-15
DE3778414D1 (en) 1992-05-27
DE3607081C2 (en) 1987-12-03
JPS62225386A (en) 1987-10-03
EP0240673A2 (en) 1987-10-14
EP0240673A3 (en) 1989-08-09
DE3607081A1 (en) 1987-09-10
US4773776A (en) 1988-09-27

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