EP0061577B1 - Anordnung zur Funktionsüberwachung des Farbbandes einer Farbbandkassette - Google Patents

Anordnung zur Funktionsüberwachung des Farbbandes einer Farbbandkassette Download PDF

Info

Publication number
EP0061577B1
EP0061577B1 EP82101241A EP82101241A EP0061577B1 EP 0061577 B1 EP0061577 B1 EP 0061577B1 EP 82101241 A EP82101241 A EP 82101241A EP 82101241 A EP82101241 A EP 82101241A EP 0061577 B1 EP0061577 B1 EP 0061577B1
Authority
EP
European Patent Office
Prior art keywords
contact
ribbon
cassette
elements
contact element
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
EP82101241A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP0061577A1 (de
Inventor
Johannes Haftmann
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
Nixdorf Computer AG
Siemens Nixdorf Informationssysteme 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 Nixdorf Computer AG, Siemens Nixdorf Informationssysteme AG filed Critical Nixdorf Computer AG
Priority to AT82101241T priority Critical patent/ATE10920T1/de
Publication of EP0061577A1 publication Critical patent/EP0061577A1/de
Application granted granted Critical
Publication of EP0061577B1 publication Critical patent/EP0061577B1/de
Expired 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
    • B41J35/36—Alarms, indicators, or feed disabling devices responsive to ink ribbon breakage or exhaustion

Definitions

  • the invention relates to an arrangement for monitoring the function of the ink ribbon in electronic writing or printing units with a scanning of the surface of the ink ribbon by means of contact elements.
  • the ink ribbon has a covering made of an electrically conductive material near its end, which can simultaneously come into contact with a contact spring and an earthed guide roller, as a result of which the circuit of a signal device is closed and a signal is generated.
  • the known arrangement it is not possible to monitor the condition of the ink ribbon, that is, its degree of wear.
  • This object is achieved according to the invention in that certain contact elements are arranged on both sides of the ink ribbon path for contacting the ink ribbon in order to monitor the wear of the ink ribbon in a ribbon cassette and in that counter-contact elements are provided on the writing mechanism, which are in active connection with their ink cartridge cassette when inserted and are electrically connected to a writing mechanism control and / or function or fault display.
  • the opposing contact elements on the ink ribbon cassette come into contact with one another and close a circuit, as a result of which, for example, the writing mechanism is shut down or an acoustic and / or optical signal is generated which is generated by the operator indicates that the ribbon needs to be replaced.
  • the contact elements on the ribbon cassette do not take up much space and can therefore be attached to the ribbon cassettes without difficulty. The same applies to the mating contact elements on the writing mechanism.
  • the contact elements are preferably arranged at a distance from the section of the ink ribbon path forming the writing area of the ink ribbon and have a contact surface which points to the same side of the cartridge and is intended for contact with the respective counter-contact element. This ensures in a simple manner that contact between the mating contact elements on the writing mechanism and the contact elements on the ink ribbon cassette is ensured when the same is inserted.
  • a first contact element of the ribbon cassette can be formed, for example, by an angled leaf spring which is fastened to the end area of its one spring leg that supports the contact surface on a web of the cassette housing and whose other spring leg forms a section of a ribbon guide and with its end opposite the other contact element the ribbon.
  • This free spring leg can thus compensate for differences in tension in the ink ribbon and always ensure that the ink ribbon runs closely between the two opposing contact elements. The ribbon is tightened at the same time.
  • the second contact element can be formed by a simple contact strip which is bent around an outer web of the cassette housing which delimits the ribbon path.
  • the mating contact elements are preferably mounted displaceably in a contact element carrier in the direction of the contact elements on the ink ribbon cassette.
  • the counter-contact elements can be formed by contact pins or rivets which are guided displaceably in the contact element carrier and are biased in the direction of the contact position by contact springs.
  • the contact springs in turn serve to connect lines that connect the mating contact elements to the writing mechanism control or the fault display.
  • the contact element carrier preferably consists of a one-piece frame-like plastic part which has certain hook-like approaches for snap engagement in recesses of the writing mechanism. With the help of these approaches, the contact element carrier can thus be detachably connected to the writing mechanism, so that it is easy to attach on the one hand and can be removed at any time on the other hand.
  • the arrangement according to the invention can therefore be carried out without difficulty can also be retrofitted to existing typewriters.
  • Aligning the contact element carrier in its desired position can be further facilitated in that the contact element carrier has, for example, a centering bush which can be plugged onto a centering pin of the writing mechanism.
  • FIG. 1 shows a writing mechanism known per se with a writing carriage 11 which is slidably mounted on a slide rod 11 a and can be moved back and forth in a manner known per se via a toothed belt 26 which in turn is driven by a motor 25 .
  • a ribbon cassette 1 with an ink ribbon 2 can be seen above the writing carriage 11.
  • the ribbon cassette 1 can be plugged onto the writing mechanism, centering pins 22 arranged on the writing carriage 11 engaging with their respective centering tip 22a in a corresponding centering opening 23 of the cassette housing.
  • the ink ribbon can be guided past the writing head (not shown) of the writing mechanism with the aid of a cassette drive 24 known per se and therefore not described in detail.
  • the first contact element 12 consists of a leaf spring bent at an acute angle, which is attached with its one end section 5 to a web 13 of the cassette housing.
  • the other leg 12a of the contact element 12 runs essentially parallel to the ink ribbon 2 and forms part of the ink ribbon guide. At its free end it bears an approximately punctiform elevation 5b with which the contact element 12 lies against the ink ribbon 2.
  • the second contact element is formed by a contact strip which is bent around a web 14 of the ink ribbon cassette 1 forming the outer boundary of the ribbon guide 4.
  • the two contact elements 12 and 6 are arranged such that the ink ribbon 2 runs between the contact element 6 and the elevation 5b of the contact element 12.
  • the spring leg 12a of the contact element 12 presses the ink ribbon 2 against the contact element 6 with the elevation 5b, so that the ink ribbon 2 is tensioned smoothly before it emerges into the writing area.
  • the contact element 12 thus performs a double function as a contact element and a band tensioning element.
  • the contact elements 12 and 6 of the ink ribbon cassette 1 are connected to the control device for the writing mechanism or a function and fault indicator 10 (FIG. 1) via a contact mechanism 3 arranged on the writing carriage 11, which is now explained in more detail with reference to FIGS. 3 and 4 shall be.
  • the contact mechanism 3 comprises a contact element carrier 15 and mating contact elements 7 and 8.
  • the contact element carrier 15 consists of a frame-shaped, one-piece plastic part which has at least two hook-shaped projections 16 at its lower end, which are used for insertion into recesses (slots or the like) (not shown) of the writing carriage 11 are insertable and engage with their hook lugs, so that the contact element carrier is detachably connected to the writing carriage 11 by this snap connection.
  • the counter-contact elements 7 and 8 form the ends of an open circuit which can be closed by the contact elements 12 and 6 when they come into contact through the ink ribbon 2. As long as the ink ribbon 2 is undamaged, the contact between the contact elements 12 and 6 is interrupted.
  • the function and fault display 10 in this case either gives no indication or indicates that the ribbon is still in order.
  • the previously open circuit is closed via the contact elements 12 and 6.
  • the signal occurring in the circuit can be used in the control for the writing mechanism to stop the writing mechanism immediately and / or to generate an acoustic and / or optical signal in the function and fault display 10, which indicates the operator, that the writing mechanism may have to be stopped and ribbon cassette 1 must be replaced.
  • both the contact elements 12 and 6 on the ink ribbon cassette and the contact mechanism on the writing carriage 11 can still be installed subsequently.
  • an eye 21 arranged on a longitudinal side of the frame-shaped contact element carrier 15 also enables centering and alignment of the contact element carrier with respect to the ink ribbon cassette 1.
  • the eye 21 formed on the contact element carrier 15 extends over one of the centering pins 22 of the writing carriage, as a result of which the contact element carrier 15 is precisely aligned and held in its position.

Landscapes

  • Impression-Transfer Materials And Handling Thereof (AREA)
EP82101241A 1981-03-27 1982-02-18 Anordnung zur Funktionsüberwachung des Farbbandes einer Farbbandkassette Expired EP0061577B1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT82101241T ATE10920T1 (de) 1981-03-27 1982-02-18 Anordnung zur funktionsueberwachung des farbbandes einer farbbandkassette.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19818108981U DE8108981U1 (de) 1981-03-27 1981-03-27 "vorrichtung zur funktionskontrolle des farbbandes einer farbbandkassette"
DE8108981U 1981-03-27

Publications (2)

Publication Number Publication Date
EP0061577A1 EP0061577A1 (de) 1982-10-06
EP0061577B1 true EP0061577B1 (de) 1984-12-27

Family

ID=6726132

Family Applications (1)

Application Number Title Priority Date Filing Date
EP82101241A Expired EP0061577B1 (de) 1981-03-27 1982-02-18 Anordnung zur Funktionsüberwachung des Farbbandes einer Farbbandkassette

Country Status (5)

Country Link
US (1) US4407593A (enrdf_load_stackoverflow)
EP (1) EP0061577B1 (enrdf_load_stackoverflow)
JP (1) JPS57170785A (enrdf_load_stackoverflow)
AT (1) ATE10920T1 (enrdf_load_stackoverflow)
DE (1) DE8108981U1 (enrdf_load_stackoverflow)

Families Citing this family (31)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
USD284978S (en) 1983-09-07 1986-08-05 Seiko Epson Corporation Ink ribbon cartridge
DE3440690C2 (de) * 1983-11-07 1995-03-16 Canon Kk Farbbandkassette für eine Druckvorrichtung
FR2554391B1 (fr) * 1983-11-07 1994-05-13 Canon Kk Cassette a ruban encreur et appareil d'impression l'utilisant
JPS60105164U (ja) * 1983-12-21 1985-07-18 株式会社精工舎 インクリボンカセツトの帯電防止装置
JPH0686140B2 (ja) * 1984-03-19 1994-11-02 キヤノン株式会社 記録装置
USD285576S (en) 1984-08-29 1986-09-09 At&T Teletype Corporation Printer ribbon cartridge
JPS61160276A (ja) * 1984-12-31 1986-07-19 Canon Inc インクリボンカセツト
JPH0428788Y2 (enrdf_load_stackoverflow) * 1985-05-15 1992-07-13
US4750007A (en) * 1985-08-06 1988-06-07 Canon Kabushiki Kaisha Ink sheet cassette and image recording apparatus using the same
JPS6250183A (ja) * 1985-08-29 1987-03-04 Toshiba Corp プリンタのリボン駆動制御方式
DE3532369A1 (de) * 1985-09-11 1987-03-19 Olympia Ag Transportvorrichtung fuer ein farbband in kraftangetriebenen schreib- oder bueromaschinen aehnlicher bauart
US4685818A (en) * 1985-09-16 1987-08-11 Printronix, Inc. Ribbon fault detection system
US5175563A (en) * 1986-02-03 1992-12-29 Canon Kabushiki Kaisha Image recording apparatus and ink sheet cassette usable in the image recording apparatus
US5199805A (en) * 1986-02-18 1993-04-06 Canon Kabushiki Kaisha Image recording apparatus and ink sheet cassette applicable therein
US4887096A (en) * 1986-03-24 1989-12-12 Canon Kabushiki Kaisha Recording apparatus
AU98645S (en) 1986-10-20 1987-11-19 Toshiba Kk An ink ribbon cartridge
US4900171A (en) * 1987-11-30 1990-02-13 Smith Corona Corporation Ink ribbon and correction tape cassette compatibility
US4971462A (en) * 1987-11-30 1990-11-20 Smith Corona Corporation Plural cassettes having compatibility arrangement
USD308070S (en) 1987-11-30 1990-05-22 Smith Corona Corporation Ribbon cassette
US5267803A (en) * 1987-11-30 1993-12-07 Smith Corona Corporation Cassette having compatibility arrangement
US5078523A (en) * 1988-03-04 1992-01-07 Varitronic Systems, Inc. Tape cassette with identifying circuit element for printing machine
USD310384S (en) 1988-04-19 1990-09-04 Smith Coronoa Corporation Ribbon cassette
JPH03216147A (ja) * 1990-01-17 1991-09-24 Iwatani Internatl Corp 食品のガス封入包装装置
JPH03232450A (ja) * 1990-02-09 1991-10-16 Nippon Suisan Kaisha Ltd 生鮮肉類の品質保持処理装置
US5083877A (en) * 1990-04-18 1992-01-28 Pelikan, Inc. Tape feed control apparatus for a correction tape cassette for a typewriter
US5122002A (en) * 1990-06-29 1992-06-16 General Ribbon Corporation Ribbon cartridge with correction cartridge lock-out circumvention power switch projection
US5069563A (en) * 1990-06-29 1991-12-03 General Ribbon Corporation Ribbon cartridge mounting movable power switch tab
US5198753A (en) * 1990-06-29 1993-03-30 Digital Equipment Corporation Integrated circuit test fixture and method
US5108209A (en) * 1990-07-11 1992-04-28 Ncr Corporation Apparatus and method for detecting depletion of ink in an ink ribbon
JPH0577538A (ja) * 1991-09-20 1993-03-30 Brother Ind Ltd 印字装置
US5318370A (en) * 1992-11-17 1994-06-07 Varitronic Systems, Inc. Cartridge with data memory system and method regarding same

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US549421A (en) * 1895-11-05 Alfred ashby
GB1161427A (en) * 1965-10-15 1969-08-13 Columbia Ribbon & Carbon Improvements in or relating to Typewriting Ribbons and Machines
JPS4913889Y1 (enrdf_load_stackoverflow) * 1969-04-18 1974-04-05
US3819029A (en) * 1973-01-22 1974-06-25 J Simmons End of page signal device for a typewriter
GB1499152A (en) * 1975-02-05 1978-01-25 Xerox Corp Typewriter ribbon cassette
DE2512259A1 (de) * 1975-03-20 1976-09-30 Siemens Ag Vorrichtung zur richtungsumschaltung der farbbandbewegung in mechanischen druckeinrichtungen
JPS568286A (en) * 1979-06-30 1981-01-28 Ricoh Co Ltd Printer control ststem at ribbon end detection

Also Published As

Publication number Publication date
US4407593A (en) 1983-10-04
JPS6363393B2 (enrdf_load_stackoverflow) 1988-12-07
EP0061577A1 (de) 1982-10-06
ATE10920T1 (de) 1985-01-15
DE8108981U1 (de) 1981-08-27
JPS57170785A (en) 1982-10-21

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