EP0058847B1 - Ink ribbon cassette attachable to a typewriter or a similar business machine - Google Patents

Ink ribbon cassette attachable to a typewriter or a similar business machine Download PDF

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Publication number
EP0058847B1
EP0058847B1 EP82100727A EP82100727A EP0058847B1 EP 0058847 B1 EP0058847 B1 EP 0058847B1 EP 82100727 A EP82100727 A EP 82100727A EP 82100727 A EP82100727 A EP 82100727A EP 0058847 B1 EP0058847 B1 EP 0058847B1
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EP
European Patent Office
Prior art keywords
ribbon
cassette
spool
storage compartment
machine
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
EP82100727A
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German (de)
French (fr)
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EP0058847A2 (en
EP0058847A3 (en
Inventor
Bernd Schmidt
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.)
Olympia Office Vertriebsgesellschaft Mbh
AEG Olympia Office GmbH
Original Assignee
Olympia Werke AG
Olympia AG
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Application filed by Olympia Werke AG, Olympia AG filed Critical Olympia Werke AG
Publication of EP0058847A2 publication Critical patent/EP0058847A2/en
Publication of EP0058847A3 publication Critical patent/EP0058847A3/en
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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
    • B41J32/00—Ink-ribbon cartridges

Definitions

  • the invention relates to an ink ribbon cassette which can be placed on a typewriter or similar office machine and has a storage space for a supply reel and a take-up spool for an ink ribbon of the type specified in the preamble of patent claim 1.
  • the conventional ribbon cassettes that can be placed on a typewriter or similar office machine have a storage space for a supply reel and a take-up reel for an ink ribbon, the ink ribbon leading from the supply reel through two guide channels arranged at a distance from one another on the storage space through a printing station of the machine. and can be rewound onto the take-up reel.
  • the ribbons consist either of textile ribbons, which are transported several times past the printing station from one spool to the other, or of single carbon ribbons, which only run once through the machine, since each surface part of these ribbons can only be used once for printing.
  • the ribbons can consist of multi-carbon ribbons, which also run through the machine only once, but in which individual surface sections provide a repeated impression.
  • the size of the feed step is not important in the case of textile ink ribbons, since each surface section of the ribbon is used several times. In the case of single carbon ribbons, the feed step must be an entire character width, while in the case of multi-carbon ribbons a drive device for the ink ribbon which generates a lower step feed is required for their economical use.
  • the invention has for its object to provide an ink ribbon cassette that enables a compact structure for all types of ribbons and that can be easily placed on and removed from the receiving device in the machine with one hand, without a certain dexterity from the person operating the machine is required.
  • the ink ribbon cassette should be designed so that in the case of typewriters with a correction device, the correction tape can be arranged directly under the ink ribbon in the cassette.
  • the stroke of the correction tape from the rest position to the impression position should be as short as possible.
  • the ribbon cassette according to the invention is very compact and saves material. Due to the advantageous embodiment of the subject of the invention according to claims 2 and 3, the correction tape can be arranged directly under the ink ribbon, which results in a very small stroke of the correction tape from the rest to the impression position. The correction tape can therefore be moved very quickly from the rest position into the impression position with a small force and then also very quickly reset.
  • the further embodiment of the subject matter of claim 4 enables the guide channels to have only a height that is only slightly larger than the width of the ribbon.
  • the subject matter of patent claim 6 ensures that the ink ribbon cassettes with ink ribbons, for which a different step feed is required, can be compactly trained.
  • FIG. 1 shows a top view
  • FIG. 2 shows a side view of an ink ribbon cassette 1.
  • the ribbon cassette 1 consists of a trough-shaped base part 33 and a cover 35 which can be connected to it.
  • the cover 35 has holes 36 which are evenly distributed in order to reduce weight and noise.
  • the cover 35 has bearing journals, not shown, in corresponding bearing bores in the base plate 33 can be plugged and locked.
  • the bottom part 33 of the ribbon cassette 1 has on its rear wall 38 protruding bearing lugs 8, 10 which can be plugged into correspondingly designed bearing recesses 40, 42 of a receiving plate 2 of the receiving device for the ribbon cassette in the machine.
  • the bottom part 33 has on its side walls 44 and 46 locking pins 12, 14 which cooperate with the locking lever mounted in this mounting plate 2 for locking the ink ribbon cassette on the mounting plate 2.
  • the tabs 8, 10 are first inserted into the corresponding bearing recesses 40, 42, then the cartridge is pivoted against the mounting plate 2 until the trunnions 12, 14 by the locking lever in the mounting plate 2 be locked.
  • the assembly of the ribbon cassette 1 can therefore be carried out with one hand.
  • the trough-shaped bottom part 33 has a storage space 5 for a supply 3 and a take-up reel 41 for an ink ribbon 11.
  • the supply reel 3 is rotatably mounted in the bottom surface 30 of the storage room 5 (FIG. 9), the ink ribbon 11 from the supply reel 3 via deflection guides 13, 15, 17 and 19, which are arranged on the bottom surface 13 in the storage room 5, as a Guide arm trained guide channel 23 is guided.
  • the ink ribbon is then passed through the printing station via a deflection guide 21 arranged in an outlet opening 69 of the guide channel 23 and then via a deflection guide 25 in an inlet opening 71 of a guide channel 24 designed as a guide arm.
  • the ink ribbon 11 is guided to a winding drive 31 via deflection guides 27, 29.
  • the deflection guides 27 and 29 are also arranged on the bottom surface 30 of the bearing space 5.
  • the two guide channels 23, 24 are firmly connected to the base part 33, a type carrier 73 being rotatably mounted between their (23, 24) free ends by means of a stepping motor, not shown.
  • the type support 73 has resilient tines, at the free ends of which the types are arranged in a known manner.
  • the type set in each case is struck against a recording medium 79 by a print hammer 75 driven by a magnet 77, an impression being produced in a known manner with the interposition of the ink ribbon 11.
  • the winding drive 31 has a toothed drive wheel 39 which is constantly in engagement with the outermost turn of the winding spool 41.
  • the take-up spool 41 is rotatably mounted on a pivot lever 45 (43), the pivot lever 45 being pivotable about an axis 49 and being acted upon in a clockwise direction by a spring 47 such that the outermost turn of the take-up spool 41 is always held in engagement with the drive gear 39 becomes.
  • the drive wheel 39 can be coupled to a drive element 61 which can be driven by a motor 59 via a change-speed gear designed as a step-size changeover device.
  • the change gear has interchangeable gear pairs 63, 65 which can be selected to produce a step feed of the ribbon 11 which is different depending on the type of ribbon and which can also be used immediately before or during the insertion of the supply 3 and the take-up reel 41 into the storage space 5.
  • the gear 63 of the change gear is firmly connected to the drive wheel 39, while the other gear 65 can be coupled to the drive element 61 of the machine and is firmly connected to a handwheel 67. This hand setting wheel 67 can be rotated in the cover 35 from outside the housing by means of a finger.
  • the supply spool 3 is firmly connected to a toothed brake disk 81.
  • this brake disk 81 On its outer circumference, this brake disk 81 has a toothing 83 into which an arm 15 of a resilient round wire 85 firmly clamped on one side engages.
  • the ink ribbon 11 coming from the supply reel 3 is continued via the deflection guide 13 around the arm 15 and then via the deflection guides 17, 19, 21 in the manner described above. If the ink ribbon 11 is driven in the direction of arrow 89 by the winding drive 31, the arm 15 is lifted out of the toothing 83 of the brake disk 81, whereby the supply reel 3 is released.
  • the floors 26, 28 of the two guide channels 23, 24 have an offset 16, 18 relative to the floor 30 of the storage space 5 in such a way that below the guide channels 23, 24 in continuation of the floor 30 of the storage room 5 there is a free space 50, 52 for in
  • the receiving device of the ribbon cassette 1 machine parts arranged in the machine arises and that the unwindable from the supply reel 3 ribbon 11 is guided at a close distance above the inner bottom surface 26 of the guide channel 23 with the outlet opening 69.
  • the machine parts are individual parts, e.g. B.
  • the bottoms 26, 28 of the two guide channels 23, 24 each have an outwardly facing, partially cylindrical indentation 20, 22 for the winding surfaces 60, 62 of the supply 56 and the take-up reel 58 for the correction tape 54.
  • the supply reel 56 and the take-up reel 58 for the correction tape 54 are rotatably mounted, for example, in the receiving plate 2, the correction tape 54 being guided from the supply reel 56 via a deflection guide 64 through the printing station and via a further deflection guide 66 to the take-up reel 58.
  • the winding reel 58 is driven in a known manner and is not closer shown.
  • the correction tape 54 is arranged directly under the ink ribbon 11. This enables a small stroke for lifting the correction tape from the rest to the working position.
  • the color and the correction device form a compact device on the receiving plate 2. Since the designed as a brake disk 81 flange of the supply reel 3, designed as a holding device position levers 45 for the take-up reel 41 and the exchangeable gear wheels 63, 65 in a relation to the inner bottom surfaces 26, 28 of the guide channels 23, 24 deeper portion 32 of the storage room 5 are arranged movably, a compact arrangement of the ribbon cassette 1 is created.
  • the guide channel 23 has in its bottom surface 26 a recess 91 which interacts with a locking device (not shown) of the machine in such a way that it is not possible to bring ribbon cartridges into the working position with carbon ribbons.
  • the locking device cooperating with the recess 91 in the guide channel 23 ensures that only ink ribbons can be brought into the working position which have no coating with a dye which adheres to the surface of the paper and can be lifted off from it by an adhesive tape.
  • This warning device is used to monitor the ribbon end in order to warn the operators of the machine of the ribbon end approaching the printing point.
  • the rear end of the ink ribbon 11 has an electrically conductive means designed as a scanning means, which can be brought into operative connection with contact springs 72, 74 designed as a scanning means.
  • contact springs 72, 74 are mounted on the inner bottom surface 30 of the storage space 5 and can be brought into engagement with the contact pins 68, 70 in the mounting plate 2 of the machine via recesses 78, 76 in the bottom surface 30.
  • the electrically conductive agent attached to the ribbon end can be a vapor-deposited metal layer.
  • the contact springs 72, 74 have cylindrical tongues 80, 82 which scan the ink ribbon 11 and can be anchored on pins 17, 19 which are perpendicular to the inner bottom surface 30 of the storage space 5.
  • the pins 17, 19 have locking recesses 88, 90 into which locking lugs 92, 94 can be snapped onto the cylindrical tongues 80, 82.
  • a compact arrangement of the ribbon cassette 1 has been made possible by the arrangements according to the invention of the supply 3, the take-up spool 41 with the holding lever 45, the change gear and the contact springs for the warning device.
  • the storage space 5 for the supply 3 and the take-up reel 41 has been optimally used by the invention.
  • a compact arrangement of this correction device with the ink ribbon device is possible in typewriters with a correction device.

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  • Impression-Transfer Materials And Handling Thereof (AREA)

Description

Die Erfindung betrifft eine auf eine Schreib-oder ähnliche Büromaschine aufsetzbare Farbbandkassette mit einem Lagerraum für eine Vorrats- und eine Aufwickelspule für ein Farbband der im Oberbegriff des Patentanspruchs 1 angegebenen Art.The invention relates to an ink ribbon cassette which can be placed on a typewriter or similar office machine and has a storage space for a supply reel and a take-up spool for an ink ribbon of the type specified in the preamble of patent claim 1.

Die herkömmlichen auf einer Schreib- oder ähnliche Büromaschine aufsetzbaren Farbbandkassetten weisen einen Lagerraum für eine Vorrats- und eine Aufwickelspule für ein Farbband auf, wobei das Farbband von der Vorratsspule über zwei im Abstand zueinander an dem Lagerraum angeordnete Führungskanäle durch eine Druckstation'der Maschine führ- und auf die Aufwickelspule wieder aufspulbar ist. Die Farbbänder bestehen entweder aus Textilfarbbändern, die von einer Spule zur anderen mehrmals an der Druckstation vorbeitransportiert werden oder aus Einfachcarbonbändern, die nur ein einziges Mal durch die Maschine laufen, da jeder Flächenteil dieser Farbbänder nur einmal zum Abdruck verwendet werden kann. Außerdem können die Farbbänder aus Multi-Carbonbändern bestehen, die ebenfalls nur ein einziges Mal durch die Maschine laufen, aber bei denen einzelne Flächenabschnitte einen mehrmaligen Abdruck liefern. Bei den Textilfarbbähdern ist die Größe des Vorschubschrittes nicht wichtig, da jeder Flächenabschnitt des Farbbandes mehrmals benutzt wird. Bei Einfach-Carbonbändern muß der Vorschubschritt eine ganze Zeichenbreite betragen, während bei Multi-Carbonbändern zu ihrer wirtschaftlichen Ausnutzung eine Antriebseinrichtung für das Farbband benötigt wird, die einen geringeren Schrittvorschub erzeugt.The conventional ribbon cassettes that can be placed on a typewriter or similar office machine have a storage space for a supply reel and a take-up reel for an ink ribbon, the ink ribbon leading from the supply reel through two guide channels arranged at a distance from one another on the storage space through a printing station of the machine. and can be rewound onto the take-up reel. The ribbons consist either of textile ribbons, which are transported several times past the printing station from one spool to the other, or of single carbon ribbons, which only run once through the machine, since each surface part of these ribbons can only be used once for printing. In addition, the ribbons can consist of multi-carbon ribbons, which also run through the machine only once, but in which individual surface sections provide a repeated impression. The size of the feed step is not important in the case of textile ink ribbons, since each surface section of the ribbon is used several times. In the case of single carbon ribbons, the feed step must be an entire character width, while in the case of multi-carbon ribbons a drive device for the ink ribbon which generates a lower step feed is required for their economical use.

Es sind viele Farbbandkassetten mit unterschiedlichen Farbbandarten bekannt, durch die ein Verschmutzen der Hände beim Einsetzen und Herausnehmen der Kassetten vermieden wird und die eine leichte Auswechselbarkeit ermöglichen. So ist durch die deutsche Offenlegungsschrift 2553329 eine Kassette für ein Kohleband bekannt, deren Wechsel mit einer Hand möglich ist. Diese bekannte Anordnung ermöglicht aber nur einen konstanten Farbbandtransport und sieht keine Möglichkeit zum unterschiedlichen Antreiben des Farbbandes je nach Farbbandart vor. Auch ermöglicht diese bekannte Anordnung keine optimale Ausnutzung des Lagerraumes für die Vorrats- und die Aufwickelspule, da die Zahnwalze und der Schwenkhebel für die Aufwickelspule in dem Lagerraum mit angeordnet sind. Der Schwenkhebel für die Aufwickelspule besteht hierbei aus einem Sattelteil, der viel Raum beansprucht. Bei Einsatz dieser bekannten Farbbandkassette bei Schreibmaschinen mit einer Korrektureinrichtung ist ein großer Hub des Korrekturbandes erforderlich, um dieses Korrekturband in die Abdruckposition zu bringen. Der Aufbau der Farbbandkassette nach der bekannten deutschen Offenlegungsschrift 25 53 329 ermöglicht keine kompakte Anordnung des Farb- und Korrekturbandes im Bereich vor der Abdruckstelle.Many ink ribbon cassettes with different ink ribbon types are known, by means of which soiling of the hands when inserting and removing the cartridges is avoided and which allow easy replacement. A cassette for a carbon band is known from German Offenlegungsschrift 2553329, the change of which is possible with one hand. However, this known arrangement only enables a constant ribbon transport and does not provide any possibility of driving the ribbon differently depending on the type of ribbon. This known arrangement also does not allow optimal use of the storage space for the supply and take-up spools, since the toothed roller and the pivoting lever for the take-up spool are also arranged in the storage space. The swivel lever for the take-up spool consists of a saddle part that takes up a lot of space. When using this known ribbon cassette in typewriters with a correction device, a large stroke of the correction ribbon is required in order to bring this correction ribbon into the printing position. The construction of the ribbon cassette according to the well-known German patent application 25 53 329 does not allow a compact arrangement of the ink ribbon and correction ribbon in the area in front of the impression point.

Der Erfindung liegt die Aufgabe zugrunde, eine Farbbandkassette zu schaffen, die für alle Farbbandarten einen kompakten Aufbau ermöglicht und die leicht auf die Aufnahmevorrichtung in der Maschine mit einer Hand aufsetzbar und von dieser abnehmbar ist, ohne daß von der die Maschine bedienende Person eine gewisse Geschicklichkeit erforderlich ist. Außerdem soll die Farbbandkassette so ausgebildet sein, daß bei Schreibmaschinen mit einer Korrektureinrichtung das Korrekturband unmittelbar unter dem Farbband in der Kassette angeordnet werden kann. Der Hubweg des Korrekturbandes aus der Ruhe- in die Abdrucklage soll möglichst klein sein. Diese Aufgabe wird durch die im Patentanspruch gekennzeichnete Erfindung gelöst.The invention has for its object to provide an ink ribbon cassette that enables a compact structure for all types of ribbons and that can be easily placed on and removed from the receiving device in the machine with one hand, without a certain dexterity from the person operating the machine is required. In addition, the ink ribbon cassette should be designed so that in the case of typewriters with a correction device, the correction tape can be arranged directly under the ink ribbon in the cassette. The stroke of the correction tape from the rest position to the impression position should be as short as possible. This object is achieved by the invention characterized in the claim.

Die erfindungsgemäße Farbbandkassette ist sehr kompakt und materialsparend ausgebildet. Durch die vorteilhafte Ausgestaltung des Erfindungsgegenstandes nach den Patentansprüchen 2 und 3 kann das Korrekturband unmittelbar unter dem Farbband angeordnet werden, wodurch sich ein sehr kleiner Hub des Korrekturbandes aus der Ruhe- in die Abdrucklage ergibt. Das Korrekturband kann also mit einer geringen Kraft sehr schnell aus der Ruhe- in die Abdrucklage gebracht und danach auch sehr schnell wieder zurückgestellt werden.The ribbon cassette according to the invention is very compact and saves material. Due to the advantageous embodiment of the subject of the invention according to claims 2 and 3, the correction tape can be arranged directly under the ink ribbon, which results in a very small stroke of the correction tape from the rest to the impression position. The correction tape can therefore be moved very quickly from the rest position into the impression position with a small force and then also very quickly reset.

Die weitere Ausgestaltung des Erfindungsgegenstandes nach Patentanspruch 4 ermöglicht, daß die Führungskanäle nur eine Höhe haben, die nur etwas größer als die Breite des Farbbandes ist. Der Gegenstand des Patentanspruchs 6 gewährleistet, daß auch die Farbbandkassetten mit Farbbändern, für die ein unterschiedlicher Schrittvorschub erforderlich ist, kompakt ausgebilet werden können.The further embodiment of the subject matter of claim 4 enables the guide channels to have only a height that is only slightly larger than the width of the ribbon. The subject matter of patent claim 6 ensures that the ink ribbon cassettes with ink ribbons, for which a different step feed is required, can be compactly trained.

Weitere vorteilhafte Ausgestaltungen des Erfindungsgegenstandes sind den weiteren Unteransprüchen zu entnehmen.Further advantageous refinements of the subject matter of the invention can be found in the further subclaims.

Nachstehend werden Ausführungsbeispiele der Erfindung anhand der Zeichnungen beschrieben. Es zeigt :

  • Figur 1. eine Draufsicht auf die erfindungsgemäße Farbbandkassette,
  • Figur 2 eine Seitenansicht zu Figur 1,
  • Figur 3 eine Draufsicht auf die erfindungsgemäße Kassette, wobei der Deckel abgenommen ist und
  • Figuren 4 und 5 zeigen Einzelheiten aus der Figur 3.
Exemplary embodiments of the invention are described below with reference to the drawings. It shows :
  • FIG. 1 shows a plan view of the ribbon cassette according to the invention,
  • FIG. 2 shows a side view of FIG. 1,
  • Figure 3 is a plan view of the cassette according to the invention, with the lid removed and
  • FIGS. 4 and 5 show details from FIG. 3.

In der Figur 1 ist eine Draufsicht und in Figur 2 eine Seitenansicht auf eine Farbbandkassette 1 dargestellt. Die Farbbandkassette 1 besteht aus einem wannenförmigen Bodenteil 33 und einem mit diesem verbindbaren Deckel 35. Der Deckel 35 weist zur Gewichts- und Geräuschreduzierung gleichmäßig verteilte Löcher 36 auf. Der Deckel 35 weist nicht dargestellte Lagerzapfen auf, die in entsprechende Lagerbohrungen der Bodenplatte 33 steck- und verrastbar sind. Das Bodenteil 33 der Farbbandkassette 1 weist an seiner Rückwand 38 vorstehende Lagernasen 8, 10 auf, die in entsprechend ausgebildete Lagerausnehmungen 40, 42 einer Aufnahmeplatte 2 der Aufnahmevorrichtung für die Farbbandkassette in der Maschine steckbar sind. Außerdem weist das Bodenteil 33 an seinen Seitenwänden 44 und 46 Rastzapfen 12, 14 auf, die zum Verrasten der Farbbandkassette auf der Aufnahmeplatte 2 mit in dieser Aufnahmeplatte 2 gelagerten Rasthebel zusammenwirken. Bei der Montage der Farbbandkassette 1 auf die Aufnahmeplatte 2 werden zunächst die Stecknasen 8, 10 in die entsprechenden Lagerausnehmungen 40, 42 gesteckt, dann wird die Kassette gegen die Aufnahmeplatte 2 soweit verschwehkt, bis die Lagerzapfen 12, 14 durch die Rasthebel in der Aufnahmeplatte 2 verrastet werden. Die Montage der Farbbandkassette 1 kann also mit einer Hand vorgenommen werden.FIG. 1 shows a top view and FIG. 2 shows a side view of an ink ribbon cassette 1. The ribbon cassette 1 consists of a trough-shaped base part 33 and a cover 35 which can be connected to it. The cover 35 has holes 36 which are evenly distributed in order to reduce weight and noise. The cover 35 has bearing journals, not shown, in corresponding bearing bores in the base plate 33 can be plugged and locked. The bottom part 33 of the ribbon cassette 1 has on its rear wall 38 protruding bearing lugs 8, 10 which can be plugged into correspondingly designed bearing recesses 40, 42 of a receiving plate 2 of the receiving device for the ribbon cassette in the machine. In addition, the bottom part 33 has on its side walls 44 and 46 locking pins 12, 14 which cooperate with the locking lever mounted in this mounting plate 2 for locking the ink ribbon cassette on the mounting plate 2. When installing the ribbon cassette 1 on the mounting plate 2, the tabs 8, 10 are first inserted into the corresponding bearing recesses 40, 42, then the cartridge is pivoted against the mounting plate 2 until the trunnions 12, 14 by the locking lever in the mounting plate 2 be locked. The assembly of the ribbon cassette 1 can therefore be carried out with one hand.

Das wannenförmige Bodenteil 33 weist einen Lagerraum 5 für eine Vorrats- 3 und eine Aufwickeispule 41 für ein Farbband 11 auf. Die Vorratsspule 3 ist in der Bodenfläche 30 des Lagerraumes 5 drehbar (9) gelagert, wobei das Farbband 11 von der Vorratsspule 3 über Umlenkführungen 13, 15, 17 und 19, welche auf der Bodenfläche 13 in dem Lagerraum 5 angeordnet sind, zu einem als Führungsarm ausgebildeten Führungskanal 23 geleitet wird. Dann wird das Farbband über eine in einer Auslaßöffnung 69 des Führungskanals 23 angeordnete Umlenkführung 21 durch die Druckstation und dann über eine Umlenkführung 25 in einer Einlaßöffnung 71 eines als Führungsarm ausgebildeten Führungskanals 24 geleitet. Nach dem Verlassen des Führungskanals 24 wird das Farbband 11 über Umlenkführungen 27, 29 zu einem Wickelantrieb 31 geleitet. Die Umlenkführungen 27 und 29 sind ebenfalls auf der Bodenfläche 30 des Lagerrau-' mes 5 angeordnet. Die beiden Führungskanäle 23, 24 sind fest mit dem Bodenteil 33 verbunden, wobei zwischen deren (23, 24) freien Enden ein Typenträger 73 mittels eines nicht dargestellten Schrittmotors drehbar gelagert ist. Der Typenträger 73 weist federnde Zinken auf, an deren freien Enden die Typen in bekannter Weise angeordnet sind. Die jeweils eingestellte Type wird durch einen durch einen Magneten 77 angetriebenen Druckhammer 75 gegen einen Aufzeichnungsträger 79 geschlagen, wobei unter Zwischenschaltung des Farbbandes 11 in bekannter Weise ein Abdruck erzeugt wird.The trough-shaped bottom part 33 has a storage space 5 for a supply 3 and a take-up reel 41 for an ink ribbon 11. The supply reel 3 is rotatably mounted in the bottom surface 30 of the storage room 5 (FIG. 9), the ink ribbon 11 from the supply reel 3 via deflection guides 13, 15, 17 and 19, which are arranged on the bottom surface 13 in the storage room 5, as a Guide arm trained guide channel 23 is guided. The ink ribbon is then passed through the printing station via a deflection guide 21 arranged in an outlet opening 69 of the guide channel 23 and then via a deflection guide 25 in an inlet opening 71 of a guide channel 24 designed as a guide arm. After leaving the guide channel 24, the ink ribbon 11 is guided to a winding drive 31 via deflection guides 27, 29. The deflection guides 27 and 29 are also arranged on the bottom surface 30 of the bearing space 5. The two guide channels 23, 24 are firmly connected to the base part 33, a type carrier 73 being rotatably mounted between their (23, 24) free ends by means of a stepping motor, not shown. The type support 73 has resilient tines, at the free ends of which the types are arranged in a known manner. The type set in each case is struck against a recording medium 79 by a print hammer 75 driven by a magnet 77, an impression being produced in a known manner with the interposition of the ink ribbon 11.

Der Wickelantrieb 31 weist gemäß den Figuren 3 und 4 ein gezahntes Antriebsrad 39 auf, das mit der äußersten Windung der Aufwickelspule 41 ständig in Eingriff steht. Die Aufwickelspule 41 ist auf einem Schwenkhebel 45 drehbar (43) gelagert, wobei der Schwenkhebel 45 um eine Achse 49 schwenkbar ist und durch eine Feder 47 im Uhrzeigersinn derart beaufschlagt wird, daß die äußerste Windung der Aufwickelspule 41 stets mit dem Antriebszahnrad 39 in Eingriff gehalten wird.According to FIGS. 3 and 4, the winding drive 31 has a toothed drive wheel 39 which is constantly in engagement with the outermost turn of the winding spool 41. The take-up spool 41 is rotatably mounted on a pivot lever 45 (43), the pivot lever 45 being pivotable about an axis 49 and being acted upon in a clockwise direction by a spring 47 such that the outermost turn of the take-up spool 41 is always held in engagement with the drive gear 39 becomes.

Das Antriebsrad 39 ist über ein als Schrittweitenumschalteinrichtung ausgebildetes Wechselgetriebe mit einem über einen Motor 59 antreibbaren Antriebselement 61 kuppelbar. Das Wechselgetriebe weist austauschbare Zahnradpaarungen 63, 65 auf, die zum Erzeugen eines in Abhängigkeit von der Farbbandart unterschiedlichen Schrittvorschubs des Farbbandes 11 auswählbar und unmittelbar vor oder während des Einsetzens der Vorrats- 3 und der Aufwickelspule 41 in den Lagerraum 5 mit einsetzbar sind. Das Zahnrad 63 des Wechselgetriebes ist mit dem Antriebsrad 39 fest verbunden, während das andere Zahnrad 65 mit dem Antriebselement 61 der Maschine kuppelbar und mit einem Handstellrad 67 fest verbunden ist. Dieses Handstellrad 67 ist mittels eines Fingers von außerhalb des Gehäuses im Deckel 35 verdrehbar.The drive wheel 39 can be coupled to a drive element 61 which can be driven by a motor 59 via a change-speed gear designed as a step-size changeover device. The change gear has interchangeable gear pairs 63, 65 which can be selected to produce a step feed of the ribbon 11 which is different depending on the type of ribbon and which can also be used immediately before or during the insertion of the supply 3 and the take-up reel 41 into the storage space 5. The gear 63 of the change gear is firmly connected to the drive wheel 39, while the other gear 65 can be coupled to the drive element 61 of the machine and is firmly connected to a handwheel 67. This hand setting wheel 67 can be rotated in the cover 35 from outside the housing by means of a finger.

Die Vorratsspule 3 ist mit einer gezahnten Bremsscheibe 81 fest verbunden. Diese Bremscheibe 81 weist an ihrem äußeren Umfang eine Verzahnung 83 auf, in die ein Arm 15 eines einseitig fest eingespannten, federnden Runddrahtes 85 eingreift. Das von der Vorratsspule 3 kommende Farbband 11 wird über die Umlenkführung 13 um den Arm 15 und dann über die Umlenkführungen 17, 19, 21 in der oben beschriebenen Weise weitergeführt. Wird das Farbband 11 in Pfeilrichtung 89 durch den Wickelantrieb 31 angetrieben, dann wird der Arm 15 aus der Verzahnung 83 der Bremsscheibe 81 herausgehoben, wodurch die Vorratsspule 3 freigegeben wird. Sobald die Spannung in dem Farbband 11 wieder nachläßt, dann kehrt der Arm 15 des federnd gelagerten Runddrahtes 85 wieder in die Verzahnung 83 des Bremsrades 81 zurück, wodurch die Vorratsspule 3 gegen Rückdrehen wieder gesperrt wird. Die Böden 26, 28 der beiden Führungskanäle 23, 24 weisen gegenüber dem Boden 30 des Lagerraumes 5 einen Versatz 16, 18 derart auf, daß unterhalb der Führungskanäle 23, 24 in Fortsetzung des Bodens 30 des Lagerraumes 5 ja ein Freiraum 50, 52 für in der Aufnahmevorrichtung der Farbbandkassette 1 in der Maschine angeordnete Maschinenteile entsteht und daß das von der Vorratsspule 3 abwickelbare Farbband 11 in dichtem Abstand üper der inneren Bodenfläche 26 des Führungskanals 23 mit der Auslaßöffnung 69 geführt wird. Die Maschinenteile sind Einzelteile, z. B. die Vorrats- 56 und die Aufwickelspule 58 für ein Korrekturband 54 einer Korrektureinrichtung. Die Böden 26, 28 der beiden Führungskanäle 23, 24 weisen je eine nach außen weisende, teilzylindrische Einbuchtung 20, 22 für die Wickeloberflächen 60, 62 der Vorrats-56 und der Aufwickelspule 58 für das Korrekturband 54 auf. Die Vorrats- 56 und die Aufwickelspule 58 für das Korrekturband 54 sind zum Beispiel in der Aufnahmeplatte 2 drehbar gelagert, wobei das Korrekturband 54 von der Vorratsspule 56 über eine Umlenkführung 64 durch die Druckstation und über eine weitere Umlenkführung 66 zu der Aufwickelspule 58 geleitet wird. Der Antrieb der Aufwickelspule 58 erfolgt in bekannter Weise und ist nicht näher dargestellt. Durch das Eintauchen der Wickeloberflächen 60, 62 der Vorrats- 56 und der Aufwickelspule 58 in die Einbuchtungen 20, 22 des Bodenteiles 33 der Farbbandkassette nach deren Montage auf der Aufnahmeplatte 2 ist das Korrekturband 54 unmittelbar unter das Farbband 11 angeordnet. Hierdurch wird ein kleiner Hub zum Heben des Korrekturbandes aus der Ruhe- in die Arbeitslage ermöglicht. Die Farb-und die Korrektureinrichtung bilden auf der Aufnahmeplatte 2 eine kompakte Einrichtung. Da der als Bremsscheibe 81 ausgebildete Flansch der Vorratsspule 3, der als Haltevorrichtung ausge- bildete Lagehebel 45 für die Aufwickelspule 41 und die austauschbaren Zahnräder 63, 65 in einem gegenüber den inneren Bodenflächen 26, 28 der Führungskanäle 23, 24 tiefer liegenden Teil 32 des Lagerraumes 5 bewegbar angeordnet sind, wird eine kompakte Anordnung der Farbband kassette 1 geschaffen.The supply spool 3 is firmly connected to a toothed brake disk 81. On its outer circumference, this brake disk 81 has a toothing 83 into which an arm 15 of a resilient round wire 85 firmly clamped on one side engages. The ink ribbon 11 coming from the supply reel 3 is continued via the deflection guide 13 around the arm 15 and then via the deflection guides 17, 19, 21 in the manner described above. If the ink ribbon 11 is driven in the direction of arrow 89 by the winding drive 31, the arm 15 is lifted out of the toothing 83 of the brake disk 81, whereby the supply reel 3 is released. As soon as the tension in the ink ribbon 11 subsides again, the arm 15 of the spring-mounted round wire 85 returns into the toothing 83 of the brake wheel 81, whereby the supply reel 3 is locked against turning back. The floors 26, 28 of the two guide channels 23, 24 have an offset 16, 18 relative to the floor 30 of the storage space 5 in such a way that below the guide channels 23, 24 in continuation of the floor 30 of the storage room 5 there is a free space 50, 52 for in The receiving device of the ribbon cassette 1 machine parts arranged in the machine arises and that the unwindable from the supply reel 3 ribbon 11 is guided at a close distance above the inner bottom surface 26 of the guide channel 23 with the outlet opening 69. The machine parts are individual parts, e.g. B. the supply 56 and the take-up reel 58 for a correction tape 54 of a correction device. The bottoms 26, 28 of the two guide channels 23, 24 each have an outwardly facing, partially cylindrical indentation 20, 22 for the winding surfaces 60, 62 of the supply 56 and the take-up reel 58 for the correction tape 54. The supply reel 56 and the take-up reel 58 for the correction tape 54 are rotatably mounted, for example, in the receiving plate 2, the correction tape 54 being guided from the supply reel 56 via a deflection guide 64 through the printing station and via a further deflection guide 66 to the take-up reel 58. The winding reel 58 is driven in a known manner and is not closer shown. By immersing the winding surfaces 60, 62 of the supply 56 and the take-up reel 58 into the indentations 20, 22 of the base part 33 of the ink ribbon cassette after it has been mounted on the mounting plate 2, the correction tape 54 is arranged directly under the ink ribbon 11. This enables a small stroke for lifting the correction tape from the rest to the working position. The color and the correction device form a compact device on the receiving plate 2. Since the designed as a brake disk 81 flange of the supply reel 3, designed as a holding device position levers 45 for the take-up reel 41 and the exchangeable gear wheels 63, 65 in a relation to the inner bottom surfaces 26, 28 of the guide channels 23, 24 deeper portion 32 of the storage room 5 are arranged movably, a compact arrangement of the ribbon cassette 1 is created.

Der Führungskanal 23 weist in seiner Bodenfläche 26 eine Ausnehmung 91 auf, die mit einer nicht dargestellten Sperreinrichtung der Maschine derart zusammenwirkt, daß das in Arbeitsstellungbringen von Farbbandkassetten mit Carbonbändern nicht möglich ist. Die mit der Aussparung 91 in dem Führungskanal 23 zusammenwirkende Sperrvorrichtung gewährleistet, daß nur Farbbänder in Arbeitsstellung bringbar sind, die keine Beschichtung mit einem oberflächlich auf dem Papier haftenden und durch ein Klebeband von diesem wieder abhebbaren Farbstoff aufweisen.The guide channel 23 has in its bottom surface 26 a recess 91 which interacts with a locking device (not shown) of the machine in such a way that it is not possible to bring ribbon cartridges into the working position with carbon ribbons. The locking device cooperating with the recess 91 in the guide channel 23 ensures that only ink ribbons can be brought into the working position which have no coating with a dye which adheres to the surface of the paper and can be lifted off from it by an adhesive tape.

Außerdem weist die Bodenfläche 30 des Lagerraumes 5 an der Übergangsstelle 16 zu dem Führungskanal 23 mit der Ausiaßöffnung 69 Aus- nehmungen für Kontaktstifte 68, 70 auf, die in der Aufnahmeplatte 2 der Aufnahmevorrichtung in der Maschine angeordnet, an einem Stromkreis angeschlossen und mit einer Warnvorrichtung, z. B. eine Anzeigelampe verbunden sind. Diese Warnvorrichtung dient zum Überwachen des Farbbandendes, um den Bedienenden der Maschine vor dem sich dem Druckpunkt nähernden Bandende zu warnen. Zu diesem Zweck weist das hintere Ende des Farbbandes 11 ein als Abtastmittel ausgebildetes elektrisch leitendes Mittel auf, das mit als Abtastmittel ausgebildete Kontaktfedern 72, 74 in Wirkverbindung bringbar ist. Diese Kontaktfedern 72, 74 sind auf der inneren Bodenfläche 30 des Lagerraumes 5 gelagert und sind über Ausnehmungen 78, 76 in der Bodenfläche 30 mit den Kontaktstiften 68, 70 in der Aufnahmeplatte 2 der Maschine in Eingriff bringbar. Das an dem Farbbandende angebrachte elektrisch leitende Mittel kann eine aufgedampfte Metallschicht sein. Die Kontaktfedern 72, 74 weisen zylindrische Zungen 80, 82 auf, welche das Farbband 11 abtasten und auf senkrecht auf der inneren Bodenfläche 30 des Lagerraumes 5 stehenden Stiften 17, 19 verankerbar sind. Die Stifte 17, 19 weisen Rastausnehmungen 88, 90 auf, in die Rastnasen 92, 94 an den zylindrischen Zungen 80, 82 einrastbar sind. Sobald die an dem Farbbandende aufgedampfte Metallschicht über die zylindrischen Zungen 80, 82 gleitet, wird über die Kontaktstifte 68, 70 der Stromkreis zu der Warnvorrichtung geschlossen.30 also has the bottom surface of the bearing space 5 at the transition point 16 to the guide channel 23, connected nehmun g s for contact pins 68, 70 which are arranged in the receiving plate 2 of the recording device in the machine with the Ausiaßöffnung 69 off in a circuit with a warning device, e.g. B. an indicator lamp is connected. This warning device is used to monitor the ribbon end in order to warn the operators of the machine of the ribbon end approaching the printing point. For this purpose, the rear end of the ink ribbon 11 has an electrically conductive means designed as a scanning means, which can be brought into operative connection with contact springs 72, 74 designed as a scanning means. These contact springs 72, 74 are mounted on the inner bottom surface 30 of the storage space 5 and can be brought into engagement with the contact pins 68, 70 in the mounting plate 2 of the machine via recesses 78, 76 in the bottom surface 30. The electrically conductive agent attached to the ribbon end can be a vapor-deposited metal layer. The contact springs 72, 74 have cylindrical tongues 80, 82 which scan the ink ribbon 11 and can be anchored on pins 17, 19 which are perpendicular to the inner bottom surface 30 of the storage space 5. The pins 17, 19 have locking recesses 88, 90 into which locking lugs 92, 94 can be snapped onto the cylindrical tongues 80, 82. As soon as the metal layer deposited on the ribbon end slides over the cylindrical tongues 80, 82, the circuit to the warning device is closed via the contact pins 68, 70.

Durch die erfindungsgemäße Anordnungen der Vorrats- 3, der Aufwickelspule 41 mit dem Haltehebel 45, des Wechselgetriebes und der Kontaktfedern für die Warnvorrichtung ist eine kompakte Anordnung der Farbbandkassette 1 ermöglicht worden. Der Lagerraum 5 für die Vorrats- 3 und die Aufwickelspule 41 ist durch die Erfindung optimal ausgenutzt worden. Weiterhin ist bei Schreibmaschinen mit einer Korrektureinrichtung eine kompakte Anordnung dieser Korrektureinrichtung mit der Farbbandeinrichtung möglich.A compact arrangement of the ribbon cassette 1 has been made possible by the arrangements according to the invention of the supply 3, the take-up spool 41 with the holding lever 45, the change gear and the contact springs for the warning device. The storage space 5 for the supply 3 and the take-up reel 41 has been optimally used by the invention. Furthermore, a compact arrangement of this correction device with the ink ribbon device is possible in typewriters with a correction device.

Im Rahmen der Erfindung ist es auch möglich, die Aufwickelspule 58 und die Vorratsspule 56 der Korrektureinrichtung vor dem Einsetzen der Farbbandkassette 1 mit dieser (1) zu verbinden, derart, daß die Farbbandkassette 1 und die Korrekturspulen 56, 58 gemeinsam in die Aufnahmevorrichtung der Maschine einsetz- bzw. aus dieser herausnehmbar sind.Within the scope of the invention, it is also possible to connect the take-up spool 58 and the supply spool 56 of the correction device to the ribbon cassette 1 before inserting it (1), in such a way that the ribbon cassette 1 and the correction spools 56, 58 together in the receiving device of the machine are insertable or removable from this.

Claims (9)

1. A ribbon cassette which can be placed on a typewriter or similar office machine, having a storage compartment for a delivery spool and a winding spool for a ribbon, wherein the ribbon can be conveyed from the delivery spool, via two guide channels disposed spaced apart in the storage compartment, through a printing station of the machine and be wound back on the winding spool, characterised in that the bottoms (26, 28) of the two guide channels (23, 24) have an offset in height (16, 18) in relation to the bottom (30) of the storage compartment (5) so that a free space (50, 52), for example for the reception of drive parts of a correction device, is formed below each of the guide channels (23, 24) as a continuation of the bottom (30) of the storage compartment (5).
2. A cassette as claimed in Claim 1, characterised in that the drive parts are a delivery spool (56) and a winding spool (58) for a correction ribbon (54) of the correction device.
3. A cassette as claimed in Claim 2, characterised in that the bottoms (26, 28) of each of the two guide channels (23, 24) comprise an outward facing part-cylindrical recess (20, 22) for the roll top surfaces (60, 62) of the delivery spool (56) and of the winding spool (58) for the correction ribbon (54) in the receiving device of the machine.
4. A cassette as claimed in Claims 1, 2 or 3, wherein the delivery spool consists of a core and a flange secured to this and the winding spool is mounted on a movably disposed holder and wherein the outermost turn of the ribbon wound on the winding spool is held, by a resilient holding device, always in engagement with a stationarily mounted toothed drive roller which can be coupled to a drive element of the machine, characterised in that the flange (81) of the delivery spool (3) and the holding device (45) for the winding spool (41) are movably disposed in a portion (32) of the storage compartment (5) which is situated lower than the inner bottom surfaces (26, 28) of the guide channels (23, 24).
5. A cassette as claimed in Claim 4, characterised in that the toothed drive roller (39) is in engagement with a variable gear which is disposed in the lower lying portion (32) of the storage compartment (5) and comprises interchangeable pairs of gearwheels (63, 65) which can be selected to produce a different step feed of the ribbon (11) depending on the nature of the ribbon and can be inserted in the storage compartment (5) with the delivery spool (3) and the winding spool (41) immediately before or during the insertion of these.
6. A cassette as claimed in Claim 5, characterised in that the variable gear consists of a pair of gearwheels (63, 65), the one gearwheel (63) being able to be coupled to the drive wheel (39) and the other gearwheel (65) being able to be coupled to the drive element (61) of the machine and being rigidly connected to a hand setting wheel (67).
7. A cassette as claimed in one of the preceding Claims with sensing means at the rear end of the ribbon, characterised in that an electrically conducting medium, for example a vapour-deposited layer of metal is provided on the ribbon (11) as means which can be sensed and that the sensing means are contact springs (72, 74) which are mounted on the inner bottom surface (30) of the storage compartment (5) at the transition point (16) to the guide channel (23) with the outlet (69) and can be brought into engagement, via openings (76, 78) in this bottom surface (30), with contact pins (68, 70) of a warning device in the receiving device of the machine.
8. A cassette as claimed in Claim 7, characterised in that the contact spring (72, 74) comprise cylindrical tongues (80, 82) which sense the ribbon (11) and are anchored on pins (86, 84) standing perpendicularly on the inner bottom surface (30) of the storage compartment (5).
9. A cassette as claimed in Claim 8, characterised in that the pins (84, 86) comprise a detent recess (88, 90) in which detent projections (92, 94) on the cylindrical tongues (80, 82) can engage.
EP82100727A 1981-02-25 1982-02-02 Ink ribbon cassette attachable to a typewriter or a similar business machine Expired EP0058847B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3106958 1981-02-25
DE19813106958 DE3106958A1 (en) 1981-02-25 1981-02-25 RIBBON TAPE CASSETABLE ON A WRITING OR SIMILAR OFFICE MACHINE

Publications (3)

Publication Number Publication Date
EP0058847A2 EP0058847A2 (en) 1982-09-01
EP0058847A3 EP0058847A3 (en) 1983-12-21
EP0058847B1 true EP0058847B1 (en) 1985-06-26

Family

ID=6125666

Family Applications (1)

Application Number Title Priority Date Filing Date
EP82100727A Expired EP0058847B1 (en) 1981-02-25 1982-02-02 Ink ribbon cassette attachable to a typewriter or a similar business machine

Country Status (3)

Country Link
EP (1) EP0058847B1 (en)
JP (1) JPS57189872A (en)
DE (2) DE3106958A1 (en)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3439089A1 (en) * 1984-10-25 1986-05-07 Olympia Werke Ag, 2940 Wilhelmshaven RIBBON CASSETTE FOR A WRITING OR SIMILAR OFFICE MACHINE
JPS6198061U (en) * 1984-11-30 1986-06-23
JPH042064Y2 (en) * 1984-12-06 1992-01-23
JPS61160276A (en) * 1984-12-31 1986-07-19 Canon Inc Ink ribbon cassette
CH667045A5 (en) * 1985-03-08 1988-09-15 Buettner Ag Franz RIBBON CARTRIDGE.
JPS61248773A (en) * 1985-04-26 1986-11-06 Canon Inc Ink ribbon cassette
JPH0696317B2 (en) * 1985-05-22 1994-11-30 キヤノン株式会社 Ink ribbon cassette
DE3601482C1 (en) * 1986-01-20 1987-04-09 Triumph Adler Ag Ribbon cartridge
FR3038390B1 (en) * 2015-07-03 2019-09-20 Thales METHOD FOR LOCATING A SIGNAL INTERFERENCE SOURCE OF A SATELLITE NAVIGATION SYSTEM AND ASSOCIATED SYSTEM

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT1024899B (en) * 1974-11-25 1978-07-20 Olivetti Ing C S P A REMOVABLE CARTRIDGE FOR A CAREON TAPE OF TELESCRIPTING ACCOUNTING MACHINES AND SIMILAR OFFICE MACHINES
DE2909231C2 (en) * 1979-03-09 1982-07-15 Triumph-Adler Aktiengesellschaft für Büro- und Informationstechnik, 8500 Nürnberg Device for receiving color and correction tapes in writing machines and similar machines
DE2951610C2 (en) * 1979-12-21 1987-03-26 Olympia AG, 2940 Wilhelmshaven Ribbon cassette for a typewriter or similar office machine

Also Published As

Publication number Publication date
JPS57189872A (en) 1982-11-22
JPH0342190B2 (en) 1991-06-26
DE3106958A1 (en) 1982-10-28
EP0058847A2 (en) 1982-09-01
EP0058847A3 (en) 1983-12-21
DE3264353D1 (en) 1985-08-01

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