EP0689506B1 - Farbbandführungsteil für elektronische drucker - Google Patents

Farbbandführungsteil für elektronische drucker Download PDF

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Publication number
EP0689506B1
EP0689506B1 EP94908944A EP94908944A EP0689506B1 EP 0689506 B1 EP0689506 B1 EP 0689506B1 EP 94908944 A EP94908944 A EP 94908944A EP 94908944 A EP94908944 A EP 94908944A EP 0689506 B1 EP0689506 B1 EP 0689506B1
Authority
EP
European Patent Office
Prior art keywords
ribbon
ribbon guide
print head
printing head
pushed
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
EP94908944A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP0689506A1 (de
Inventor
Heiner BRÄCKER
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.)
Wincor Nixdorf International GmbH
Original Assignee
Wincor Nixdorf International GmbH
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 Wincor Nixdorf International GmbH filed Critical Wincor Nixdorf International GmbH
Publication of EP0689506A1 publication Critical patent/EP0689506A1/de
Application granted granted Critical
Publication of EP0689506B1 publication Critical patent/EP0689506B1/de
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
    • B41J35/06—Ink-ribbon guides stationary

Definitions

  • the invention relates to an ink ribbon guide part for electronic printers, in particular a dot matrix printer, which contains the ink ribbon guide for the printer.
  • a bar cassette consists of a cassette part and an ink ribbon guide part.
  • the cassette part is used to hold the ribbon and a drive unit for transporting the ribbon.
  • the ribbon guide part serves as a ribbon guide in the area of the print head. However, depending on the type of printer, complicated tape guidance is required here.
  • a functional requirement is that after the ribbon guide is attached, the ribbon is guided closely around the print head mouthpiece. So far, the ribbon has been pushed into the basic position when the ribbon guide is placed over a slope on the print head. This can cause the ribbon to move, causing the ribbon to fold or kink. There are very high failure rates because a kinked or twisted ribbon is not immediately recognized optically.
  • the ribbon in the area of the head mouthpiece must be smoothed out with a tool as a check or as an insertion aid.
  • the object of the present invention is to provide an ink ribbon guide part by which the ribbon is prevented from kinking or twisting.
  • the ribbon guide part according to the invention is designed such that it additionally has a ribbon deflector, which consists of a rotatably mounted, sprung part with two symmetrically arranged sliders, over which the ribbon runs so that it is pushed onto the print head carrier is spread apart from the printhead mouthpiece, the spring-loaded part tilts backwards when pushed onto the printhead support and thereby sets the slide in the rest position, so that the ribbon lies directly against the printhead mouthpiece.
  • a ribbon deflector which consists of a rotatably mounted, sprung part with two symmetrically arranged sliders, over which the ribbon runs so that it is pushed onto the print head carrier is spread apart from the printhead mouthpiece, the spring-loaded part tilts backwards when pushed onto the printhead support and thereby sets the slide in the rest position, so that the ribbon lies directly against the printhead mouthpiece.
  • Figure 1 shows a section of a printer with the bar cassette 9, the print head carrier 13, the ribbon guide part 8 and the print head 5.
  • the ribbon 3 is fed to the ribbon guide part 8 from the bar cassette 9, passed there via several guide elements past the print head mouthpiece 4 and arrives at the other side of the ribbon guide part 8 back to the exit and from there back to the bar cassette 9.
  • the ribbon deflector 1 which consists of a rotatably mounted, spring-loaded part with two symmetrically arranged sliders 2, spreads the ribbon away from the ribbon guide, so that the ribbon 3 is held at a distance from the print head mouthpiece 4 before touchdown.
  • the ink ribbon deflector 1 which is designed as a resilient and rotatably mounted part, is tilted backwards and thereby the slider 2 is set in the rest position, so that the ink ribbon 3 now lies directly on the print head mouthpiece 4, as shown in FIG.
  • Figures 3 to 5 show the ribbon deflector in detail.
  • the two sliders 2 are visible, which are rotatable on the part 12 via the part 12 is stored, are connected.
  • the part 10 is rounded on both sides, the pressure point 11, as shown in FIG. 5, being at the upper end of the part.
  • the design of the suspension 6 is shown in FIG. 6.
  • the spring arms are bent in the shape of a hook, and the upper bearing point 14 of the spring is spherical.
  • the ribbon guide member is shown again in detail in front view, while Figure 8 shows the side view.
  • the ink ribbon guide part 8 is removed from the print head carrier 13
  • the ink ribbon is lifted from the front surface of the print head mouthpiece 4 by the slide 2 on the ink ribbon deflector 1 being extended.
  • This ribbon deflector 1 can also be used with other cassettes, e.g. Carpools are used successfully.

Landscapes

  • Impression-Transfer Materials And Handling Thereof (AREA)
  • Printers Characterized By Their Purpose (AREA)
EP94908944A 1993-03-19 1994-03-01 Farbbandführungsteil für elektronische drucker Expired - Lifetime EP0689506B1 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE9304113U 1993-03-19
DE9304113U DE9304113U1 (de) 1993-03-19 1993-03-19 Farbbandführungsteil für elektronische Drucker
PCT/DE1994/000222 WO1994021467A1 (de) 1993-03-19 1994-03-01 Farbbandführungsteil für elektronische drucker

Publications (2)

Publication Number Publication Date
EP0689506A1 EP0689506A1 (de) 1996-01-03
EP0689506B1 true EP0689506B1 (de) 1997-01-08

Family

ID=6890893

Family Applications (1)

Application Number Title Priority Date Filing Date
EP94908944A Expired - Lifetime EP0689506B1 (de) 1993-03-19 1994-03-01 Farbbandführungsteil für elektronische drucker

Country Status (5)

Country Link
EP (1) EP0689506B1 (no)
JP (1) JPH08507981A (no)
DE (2) DE9304113U1 (no)
ES (1) ES2096457T3 (no)
WO (1) WO1994021467A1 (no)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19743320C1 (de) * 1997-09-30 1999-03-04 Siemens Nixdorf Inf Syst Drucker für Aufzeichnungsträger sowie Farbbandkassette zur Verwendung in einem Drucker

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4402621A (en) * 1981-09-25 1983-09-06 International Business Machines Corp. Ribbon cartridge with ribbon guide arms
CH661477A5 (en) * 1985-01-17 1987-07-31 Hermes Precisa International Thermal printer
JPH0684096B2 (ja) * 1987-04-15 1994-10-26 ブラザー工業株式会社 プリンタ

Also Published As

Publication number Publication date
DE59401544D1 (de) 1997-02-20
ES2096457T3 (es) 1997-03-01
WO1994021467A1 (de) 1994-09-29
JPH08507981A (ja) 1996-08-27
EP0689506A1 (de) 1996-01-03
DE9304113U1 (de) 1993-05-13

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