EP0061577A1 - Dispositif pour contrôler le fonctionnement d'un ruban encreur dans une cartouche - Google Patents

Dispositif pour contrôler le fonctionnement d'un ruban encreur dans une cartouche Download PDF

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Publication number
EP0061577A1
EP0061577A1 EP82101241A EP82101241A EP0061577A1 EP 0061577 A1 EP0061577 A1 EP 0061577A1 EP 82101241 A EP82101241 A EP 82101241A EP 82101241 A EP82101241 A EP 82101241A EP 0061577 A1 EP0061577 A1 EP 0061577A1
Authority
EP
European Patent Office
Prior art keywords
contact
ink ribbon
contact elements
cassette
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.)
Granted
Application number
EP82101241A
Other languages
German (de)
English (en)
Other versions
EP0061577B1 (fr
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
Wincor Nixdorf International GmbH
Nixdorf Computer 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 Wincor Nixdorf International GmbH, Nixdorf Computer AG filed Critical Wincor Nixdorf International GmbH
Priority to AT82101241T priority Critical patent/ATE10920T1/de
Publication of EP0061577A1 publication Critical patent/EP0061577A1/fr
Application granted granted Critical
Publication of EP0061577B1 publication Critical patent/EP0061577B1/fr
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 of an ink ribbon cassette for electromechanical writing and printing units.
  • the invention is based on the object of specifying a functionally reliable arrangement of the type mentioned at the beginning which can be produced simply and inexpensively with little technical effort and which can also be retrofitted to existing writing mechanisms without difficulty.
  • This object is achieved in that certain contact elements are arranged on the ink ribbon cassette on both sides of the ink ribbon path for contact with the ink ribbon and in that counter-contact elements are provided on the writing mechanism, which are in active connection with the ink ribbon cassette when inserted and with a writing mechanism control and / or function - or fault indicator are electrically connected.
  • the opposing contact elements on the ink ribbon cassette come into contact with one another and close a circuit, whereby either the writing mechanism is stopped, for example, or an acoustic and / or optical signal is generated which is known to 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 cassette 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 each 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 ribbon and always ensure that the ribbon runs closely between the two opposing contact elements. The ribbon is tightened at the same time.
  • the arrangement according to the invention responds even to small holes in the ink ribbon and thus enables the ink ribbon to be exchanged in good time, it is on the ink ribbon contact surface of the first contact element is at least approximately punctiform.
  • 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 indicator.
  • 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 alignment of 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.
  • a known writing mechanism with a carriage 11, which is on a Slide rod 11a is slidably mounted 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 consists of a leaf spring 12 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 carries an approximately punctiform elevation 5b, with which the contact element 12 rests on the ink ribbon 2.
  • the second contact element is formed by a contact strip which is bent around a web 14 of the ribbon cassette 1 which forms 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.
  • connection of the contact elements 12 and 6 of the ink ribbon cassette 1 with the control device for the writing mechanism or a function and fault indicator 10 takes place 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 to be explained.
  • the contact mechanism 3 comprises a contact element carrier ger 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 its lower end at least 2 hook-shaped lugs 16 which can be inserted into and inserted with their in recesses (slots or the like), not shown (slots or the like) Engage the hook lugs so that the contact element carrier is detachably connected to the writing carriage 11 by this snap connection.
  • the contact element carrier 15 On its upper side, the contact element carrier 15 has sockets 17 and 18, in which the pin-shaped or rivet-shaped contact elements 7 and 8 are guided so as to be axially displaceable, being prevented from slipping upwards into the sockets 17 and 8 by a lower collar 7a or 8a 18 are secured.
  • the sockets 17 and 18 protrude slightly beyond the upper edge of the contact element holder 15.
  • the two mating contact elements 7 and 8 are each assigned a contact spring 19 or 20 which is fixed in the contact element carrier 15 and which acts at one end on the lower end face of the respective mating contact element 7 or 8.
  • the contact springs 19 and 20 press the counter-contact elements 7 and 8 against contact surfaces 5a and 6a on the contact elements 12 and 6 of the ink ribbon cassette 1 when it is inserted in its operating position on the writing carriage 11.
  • the contact element 6 and the end 5 of the contact element 12 are by dash-dotted lines lines indicated.
  • the contact springs 19 and 20 thus ensure reliable contact between the contact elements 12 and 7 on the one hand and 6 and 8 on the other.
  • the contact springs 19 and 20 each have an eyelet 19a or 20a near their other ends, which are used to connect an electrical line 9 via a connecting cable 9a.
  • the electrical lines 9 connect the contact springs 19 and 20 to the control electronics (not shown) for the writing mechanism and / or the function and fault display 10.
  • 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. In this case, the function and fault indicator 10 either gives no indication or indicates that the ink 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 are 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 to the operator that the writing mechanism may have to be stopped and the ribbon cassette 1 must be replaced.
  • both the contact elements 12 and 6 on the 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 Dispositif pour contrôler le fonctionnement d'un ruban encreur dans une cartouche Expired EP0061577B1 (fr)

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
DE8108981U 1981-03-27
DE19818108981U DE8108981U1 (de) 1981-03-27 1981-03-27 "vorrichtung zur funktionskontrolle des farbbandes einer farbbandkassette"

Publications (2)

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

Family

ID=6726132

Family Applications (1)

Application Number Title Priority Date Filing Date
EP82101241A Expired EP0061577B1 (fr) 1981-03-27 1982-02-18 Dispositif pour contrôler le fonctionnement d'un ruban encreur dans une cartouche

Country Status (5)

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

Families Citing this family (27)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2554391B1 (fr) * 1983-11-07 1994-05-13 Canon Kk Cassette a ruban encreur et appareil d'impression l'utilisant
DE3440690C2 (de) * 1983-11-07 1995-03-16 Canon Kk Farbbandkassette für eine Druckvorrichtung
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
JPS61160276A (ja) * 1984-12-31 1986-07-19 Canon Inc インクリボンカセツト
JPH0428788Y2 (fr) * 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
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
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
JPH0524299Y2 (fr) * 1989-03-11 1993-06-21
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

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH447223A (de) * 1965-10-15 1967-11-30 Columbia Ribbon Carbon Mfg Vorrichtung zur Überwachung des Farbbandes einer Schreibmaschine

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US549421A (en) * 1895-11-05 Alfred ashby
JPS4913889Y1 (fr) * 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

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH447223A (de) * 1965-10-15 1967-11-30 Columbia Ribbon Carbon Mfg Vorrichtung zur Überwachung des Farbbandes einer Schreibmaschine

Also Published As

Publication number Publication date
ATE10920T1 (de) 1985-01-15
JPS57170785A (en) 1982-10-21
DE8108981U1 (de) 1981-08-27
EP0061577B1 (fr) 1984-12-27
US4407593A (en) 1983-10-04
JPS6363393B2 (fr) 1988-12-07

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