EP0194969A1 - Ink ribbon cassette - Google Patents
Ink ribbon cassette Download PDFInfo
- Publication number
- EP0194969A1 EP0194969A1 EP86810064A EP86810064A EP0194969A1 EP 0194969 A1 EP0194969 A1 EP 0194969A1 EP 86810064 A EP86810064 A EP 86810064A EP 86810064 A EP86810064 A EP 86810064A EP 0194969 A1 EP0194969 A1 EP 0194969A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- cassette according
- gear set
- gear
- coupling element
- transmission
- 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
Links
- 230000008878 coupling Effects 0.000 claims abstract description 11
- 238000010168 coupling process Methods 0.000 claims abstract description 11
- 238000005859 coupling reaction Methods 0.000 claims abstract description 11
- 230000005540 biological transmission Effects 0.000 claims abstract description 8
- 238000004804 winding Methods 0.000 claims abstract description 3
- 229910052799 carbon Inorganic materials 0.000 description 6
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 4
- 238000004040 coloring Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
Images
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
-
- 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
- B41J33/00—Apparatus or arrangements for feeding ink ribbons or like character-size impression-transfer material
- B41J33/14—Ribbon-feed devices or mechanisms
- B41J33/36—Ribbon-feed devices or mechanisms with means for adjusting feeding rate
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T74/00—Machine element or mechanism
- Y10T74/20—Control lever and linkage systems
- Y10T74/20396—Hand operated
- Y10T74/20474—Rotatable rod, shaft, or post
Definitions
- a typewriter is also known from DE-GM 8 113 006, in which the transport step for the ink ribbon is variable according to the length of a pin arranged on the ink ribbon cassette. This means that a larger transport step is automatically assigned to a single-use carbon tape when it is inserted into the typewriter than a multi-carbon tape.
- the object of the invention is to eliminate this disadvantage. This object is achieved with the characterizing features of claim 1.
- the same multicarbon tape cassette can be used to either achieve a higher font quality or a higher yield during operation. This eliminates the need to keep tapes ready and replace them. In addition, manufacturing and storage costs can be reduced because both requirements can be met with a single type of cassette.
- the cover 2a of the K is as- settengephinuses 2 partially removed.
- the ribbon 12 is a multicarbon ribbon. It passes from a supply roll 21 rotatably mounted in the housing 2 via deflection members 23 and a pressure location 24 to the take-up roll 22.
- the drive wheel 11 is driven by a clutch 20 of the typewriter via a manual transmission 5, 10.
- the coupling piece 20 engages in a countersunk recess in a pin 14 of a coupling element 1.
- the pin 14 protrudes through a bore 18 in the housing 2.
- the coupling element 1 is connected in a rotationally fixed but axially displaceable manner to a coaxial gearwheel set 5 with two gearwheels 6, 7 of different sizes via driver 17 and corresponding recesses 32.
- the gear set 5 is mounted in the housing cover 2a by means of a pin 33.
- An actuation button 3 projects beyond the housing cover 2a.
- the button 3 has a knurling 36 so that the band can be tensioned manually.
- the gear set 5 can be moved axially in the housing 2 in two switching positions.
- the two positions are locked by two cams 35, which are connected to the gear set 5 via spring legs 34 and can be inserted through openings 16 in a disk 15 of the coupling element 1.
- the cams 35 rest in the two switching positions on the shoulders 26, 27 of the disk 15.
- a second gear set 10 consisting of two gear wheels 8, 9 of different sizes is rigidly connected to the shaft 28 of the drive wheel 11 mounted in a bore 29 of the housing 2.
- the gear 8 meshes with the gear 6; button 3 is therefore pressed in.
- button 3 is pulled out and gear 7 meshes with gear 9.
Landscapes
- Impression-Transfer Materials And Handling Thereof (AREA)
Abstract
Die Kassette ist mit einem Multicarbonband ausgerüstet und umfasst ein durch die Büromaschine antreibbares Kupplungselement (1), das über ein manuell schaltbares Getriebe (5, 10) ein Treibrad (11) antreibt. Das Treibrad (11) greift aufwickelseitig reibschlüssig am Farbband (12) an. Durch das Schaltgetriebe kann der Bandvorschub gewählt werden, so dass dieselbe Kassette wahlweise für hohe Schriftqualität oder lange Schreibdauer verwendbar ist. The cassette is equipped with a multicarbon belt and comprises a coupling element (1) which can be driven by the office machine and which drives a driving wheel (11) via a manually switchable gear (5, 10). The drive wheel (11) engages the ink ribbon (12) with a friction fit on the winding side. The tape feed can be selected by means of the manual transmission, so that the same cassette can be used either for high font quality or long writing times.
Description
Für zeichendruckende Büromaschinen, z.B. Schreibmaschinen, serielle Drucker, Ausgabegeräte von Elektronenrechnern usw. wurden zur Erhöhung des Bedienungskomfortes Farbbandkassetten entwickelt. Als Farbbänder für solche Kassetten sind einerseits sogenannte Einmalcarbonbänder bekannt, bei welchen jede Stelle des Farbbandes nur einmal benützt wird, also das Farbband nach jedem Zeichenabdruck um mindestens die grösste Zeichenbreite weitertransportiert wird. Andererseits kennt man Multicarbonbänder, bei welchen die farbgebende Schicht mehrfach, z.B. drei- bis sechsfach benutzt werden kann. Damit ist für die gleiche Bandlänge eine erheblich grössere Schreibdauer möglich. In der Praxis wird bei Multicarbonbändern bei jedem gedruckten Zeichen das Band um einen Bruchteil der Zeichenbreite weitertransportiert, z.B. um 1/3 bis 1/6. Die Farbe wird deshalb überlappend, sukzessive vom Band abgetragen. Einmalcarbonbänder ermöglichen also eine hohe Schriftqualität, Multicarbonbänder hingegen eine lange Schreibdauer.For cassette printing office machines, eg typewriters, serial printers, electronic computer output devices, etc., ribbon cassettes have been developed to increase ease of use. So-called single-use carbon tapes are known as ink ribbons for such cassettes, in which each part of the ink ribbon is used only once, that is to say the ink ribbon is transported by at least the largest character width after each character print. On the other hand, multicarbon tapes are known in which the coloring layer can be used several times, for example three to six times. This enables a considerably longer writing time for the same tape length. In practice, with multicarbon ribbons, the ribbon is transported a fraction of the width of the character for each printed character, for example by 1/3 to 1/6. The color is therefore gradually overlapped from the tape. Allow disposable carbon bands So a high font quality, multicarbon tapes, on the other hand, a long writing time.
Eine Farbbandkassette gemäss Oberbegriff des Anspruchs 1 ist aus der DE-OS 3 106 958 bekannt. Bei dieser bekannten Vorrichtung wirkt auf den Aufwickel ein Reibrad, das über ein Getriebe von einem durch eine Schreibmaschine antreibbaren Kupplungselement angetrieben ist. Um eine Anpassung des Schrittvorschubes an verschiedene Farbbandsorten zu ermöglichen, sind die Zahnradpaarungen auswechselbar. Dabei werden die gewählten Getriebeelemente jeweils beim Zusammenbauen der Kassette eingesetzt, entsprechend der verwendeten Farbbandsorte. Für Einmalcarbonbänder wird also ein anderes Untersetzungsverhältnis eingesetzt als für Multicarbonbänder.A ribbon cassette according to the preamble of
Aus dem DE-GM 8 113 006 ist ferner eine Schreibmaschine bekannt, bei welcher der Transportschritt für das Farbband entsprechend der Länge eines an der Farbbandkassette angeordneten Zapfens variabel ist. Damit wird einem Einmalcarbonband beim Einsetzen in die Schreibmaschine automatisch ein grösserer Transportschritt zugeordnet als einem Multicarbonband.A typewriter is also known from DE-GM 8 113 006, in which the transport step for the ink ribbon is variable according to the length of a pin arranged on the ink ribbon cassette. This means that a larger transport step is automatically assigned to a single-use carbon tape when it is inserted into the typewriter than a multi-carbon tape.
Es ist also möglich, mit der gleichen Schreibmaschine ohne manuelle Umstellung der Maschine wahlweise mit sehr guter Schriftquelität oder mit langer Schreibdauer pro Kassette zu schreiben. Dazu muss jedoch jeweils die Kassette ausgewechselt werden.It is therefore possible to use the same typewriter without having to change the machine manually, optionally with a very good one Writing quality or with a long writing time per cassette. To do this, however, the cassette must be replaced.
Der Erfindung liegt die Aufgabe zugrunde, diesen Nachteil zu beseitigen. Diese Aufgabe wird mit den kennzeichnenden Merkmalen des Anspruchs 1 gelöst.The object of the invention is to eliminate this disadvantage. This object is achieved with the characterizing features of
Durch den Einbau eines schaltbaren Getriebes für den Bandvorschub kann mit derselben Multicarbonband-Kassette während ihres Betriebes wahlweise eine höhere Schriftqualität oder eine grössere Ausbeute erzielt werden. Damit entfällt das umständliche Bereithalten und Auswechseln von Kassetten. Ausserdem können die Herstellungs- und Lagerkosten gesenkt werden, da mit einem einzigen Kassettentyp beide Anforderungen erfüllt werden können.By installing a switchable gear for the tape feed, the same multicarbon tape cassette can be used to either achieve a higher font quality or a higher yield during operation. This eliminates the need to keep tapes ready and replace them. In addition, manufacturing and storage costs can be reduced because both requirements can be met with a single type of cassette.
Nachfolgend wird ein Ausführungsbeispiel der Erfindung anhand der Zeichnung beschrieben. Darin zeigt:
- Fig. 1 eine Draufsicht auf die Kassette bei teilweise entferntem Deckel, und
- Fig. 2 eine Explosionsdarstellung des Getriebes der Kassette nach Fig. 1.
- Fig. 1 is a plan view of the cassette with the cover partially removed, and
- 2 is an exploded view of the transmission of the cassette of FIG. 1st
Bei der Darstellung nach Fig. 1 ist der Deckel 2a des Kas- settengehäuses 2 teilweise entfernt. Das Farbband 12 ist ein Multicarbonband. Es gelangt von einer im Gehäuse 2 drehbar gelagerten Vorratsrolle 21 über Umlenkorgane 23 und einen Druckort 24 zur Aufwickelrolle 22. Diese ist auf einem Schwenkhebel 24 drehbar gelagert und durch eine Feder 25 reibschlüssig gegen ein Treibrad 11 (Fig. 2) gedrückt. Das Treibrad 11 wird über ein Schaltgetriebe 5, 10 von einem Kupplungsstück 20 der Schreibmaschine angetrieben. Das Kupplungsstück 20 greift in eine kreuzschlitzförmige Ansenkung in einem Zapfen 14 eines Kupplungselementes 1 ein. Der Zapfen 14 ragt durch eine Bohrung 18 des Gehäuses 2.In the illustration of FIG. 1, the
Ueber Mitnehmer 17 und entsprechende Aussparungen 32 ist das Kupplungselement 1 drehfest aber axial verschiebbar mit einem koaxialen Zahnradsatz 5 mit zwei unterschiedlich grossen Zahnrädern 6, 7 verbunden. Der Zahnradsatz 5 ist im Gehäusedeckel 2a mittels eines Zapfens 33 gelagert. Ein Betätigungsknopf 3 überragt den Gehäusedeckel 2a. Der Knopf 3 hat eine Rändrierung 36, damit das Band manuell gespannt werden kann. Durch Zug bzw. Druck auf den Knopf 3 kann der Zahnradsatz 5 axial im Gehäuse 2 in zwei Schaltstellungen verschoben werden. Die beiden Stellungen sind verrastet durch zwei Nocken 35, die über Federschenkel 34 mit dem Zahnradsatz 5 verbunden sind und durch Durchbrüche 16 einer Scheibe 15 des Kupplungselementes 1 steckbar sind. Die Nocken 35 liegen in den beiden Schaltstellungen an den Schultern 26, 27 der Scheibe 15 an.The
Mit der in einer Bohrung 29 des Gehäuses 2 gelagerten Welle 28 des Treibrades 11 ist ein zweiter Zahnradsatz 10 bestehend aus zwei unterschiedlich grossen Zahnrädern 8, 9 starr verbunden. In der Schaltstellung für geringen Bandvorschub (lange Schreibdauer) kämmt das Zahnrad 8 mit dem Zahnrad 6; der Knopf 3 ist also eingedrückt. In der Schaltstellung mit grossem Bandvorschub (hohe Schriftqualität) ist der Knopf 3 dagegen herausgezogen und das Zahnrad 7 kämmt mit dem Zahnrad 9.A
Claims (9)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CH1064/85 | 1985-03-08 | ||
CH1064/85A CH667045A5 (en) | 1985-03-08 | 1985-03-08 | RIBBON CARTRIDGE. |
Publications (2)
Publication Number | Publication Date |
---|---|
EP0194969A1 true EP0194969A1 (en) | 1986-09-17 |
EP0194969B1 EP0194969B1 (en) | 1988-11-23 |
Family
ID=4201605
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP86810064A Expired EP0194969B1 (en) | 1985-03-08 | 1986-02-05 | Ink ribbon cassette |
Country Status (5)
Country | Link |
---|---|
US (1) | US4735518A (en) |
EP (1) | EP0194969B1 (en) |
JP (1) | JPS61206686A (en) |
CH (1) | CH667045A5 (en) |
DE (1) | DE3661246D1 (en) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP3123554B2 (en) * | 1989-06-07 | 2001-01-15 | アルプス電気株式会社 | Ribbon cassette |
US6179384B1 (en) * | 1999-04-21 | 2001-01-30 | Steelcase Development Inc. | Force adjusting device |
Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2706553A1 (en) * | 1977-02-16 | 1978-08-17 | Standard Manifold Co | Typewriter ribbon spool adaptor - can be removed from typewriter frame, has rewind knob, release latch and cover |
DE2810768A1 (en) * | 1978-03-13 | 1979-09-20 | Olympia Werke Ag | DRIVE DEVICE FOR THE RIBBON OF WRITING, DATA OR SIMILAR MACHINES |
US4317636A (en) * | 1980-07-03 | 1982-03-02 | Xerox Corporation | Ribbon cartridge |
EP0058847A2 (en) * | 1981-02-25 | 1982-09-01 | OLYMPIA Aktiengesellschaft | Ink ribbon cassette attachable to a typewriter or a similar business machine |
EP0066689A2 (en) * | 1981-06-04 | 1982-12-15 | International Business Machines Corporation | Ribbon feed mode shift mechanism |
US4400103A (en) * | 1979-10-01 | 1983-08-23 | Wordex | Universal ribbon cartridge |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4079634A (en) * | 1974-10-11 | 1978-03-21 | Johnstone Colin G | Two-speed, self-propelled dolly for moving and elevating a mobile home or other load |
US4065983A (en) * | 1976-03-22 | 1978-01-03 | Maruishi Cycle Industries, Ltd. | Device for changing the gear ratio of a variable speed gear mounted to a bicycle |
US4137796A (en) * | 1977-08-22 | 1979-02-06 | Ecm Motor Company | Power opener with manual override |
US4369884A (en) * | 1979-10-01 | 1983-01-25 | Daughters James R | Ink ribbon cartridge pack |
US4307969A (en) * | 1979-10-01 | 1981-12-29 | Wordex | Universal ribbon cartridge |
JPS58158285A (en) * | 1982-03-17 | 1983-09-20 | Toshiba Corp | Ribbon feeder for printer |
JPS5962170A (en) * | 1982-10-04 | 1984-04-09 | Ricoh Co Ltd | Ink sheet take-up device for heat transfer recorder |
JPS6021289A (en) * | 1983-07-15 | 1985-02-02 | Citizen Watch Co Ltd | Thermal transfer printer |
DE3421407C1 (en) * | 1984-06-08 | 1985-12-19 | Triumph-Adler Aktiengesellschaft für Büro- und Informationstechnik, 8500 Nürnberg | Ribbon cassette for typewriters or similar machines |
-
1985
- 1985-03-08 CH CH1064/85A patent/CH667045A5/en not_active IP Right Cessation
-
1986
- 1986-02-05 EP EP86810064A patent/EP0194969B1/en not_active Expired
- 1986-02-05 DE DE8686810064T patent/DE3661246D1/en not_active Expired
- 1986-02-28 US US06/834,996 patent/US4735518A/en not_active Expired - Lifetime
- 1986-03-05 JP JP61046488A patent/JPS61206686A/en active Pending
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2706553A1 (en) * | 1977-02-16 | 1978-08-17 | Standard Manifold Co | Typewriter ribbon spool adaptor - can be removed from typewriter frame, has rewind knob, release latch and cover |
DE2810768A1 (en) * | 1978-03-13 | 1979-09-20 | Olympia Werke Ag | DRIVE DEVICE FOR THE RIBBON OF WRITING, DATA OR SIMILAR MACHINES |
US4400103A (en) * | 1979-10-01 | 1983-08-23 | Wordex | Universal ribbon cartridge |
US4317636A (en) * | 1980-07-03 | 1982-03-02 | Xerox Corporation | Ribbon cartridge |
EP0058847A2 (en) * | 1981-02-25 | 1982-09-01 | OLYMPIA Aktiengesellschaft | Ink ribbon cassette attachable to a typewriter or a similar business machine |
EP0066689A2 (en) * | 1981-06-04 | 1982-12-15 | International Business Machines Corporation | Ribbon feed mode shift mechanism |
Also Published As
Publication number | Publication date |
---|---|
US4735518A (en) | 1988-04-05 |
DE3661246D1 (en) | 1988-12-29 |
JPS61206686A (en) | 1986-09-12 |
EP0194969B1 (en) | 1988-11-23 |
CH667045A5 (en) | 1988-09-15 |
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