EP0135744B1 - Imprimante avec dispositif d'encrage - Google Patents

Imprimante avec dispositif d'encrage Download PDF

Info

Publication number
EP0135744B1
EP0135744B1 EP84109279A EP84109279A EP0135744B1 EP 0135744 B1 EP0135744 B1 EP 0135744B1 EP 84109279 A EP84109279 A EP 84109279A EP 84109279 A EP84109279 A EP 84109279A EP 0135744 B1 EP0135744 B1 EP 0135744B1
Authority
EP
European Patent Office
Prior art keywords
print head
ink
stripper
ribbon
printing
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
EP84109279A
Other languages
German (de)
English (en)
Other versions
EP0135744A2 (fr
EP0135744A3 (en
Inventor
Klaus Tauchert
Josef Hauger
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.)
Digital Kienzle Computersysteme GmbH and Co KG
Original Assignee
Mannesmann Kienzle 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 Mannesmann Kienzle GmbH filed Critical Mannesmann Kienzle GmbH
Priority to AT84109279T priority Critical patent/ATE32996T1/de
Publication of EP0135744A2 publication Critical patent/EP0135744A2/fr
Publication of EP0135744A3 publication Critical patent/EP0135744A3/de
Application granted granted Critical
Publication of EP0135744B1 publication Critical patent/EP0135744B1/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
    • B41J25/00—Actions or mechanisms not otherwise provided for
    • B41J25/304—Bodily-movable mechanisms for print heads or carriages movable towards or from paper surface
    • B41J25/316—Bodily-movable mechanisms for print heads or carriages movable towards or from paper surface with tilting motion mechanisms relative to paper surface
    • 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
    • B41J35/26—Ink-ribbon shields or backings

Definitions

  • Ribbons that are suitable for one-time printing using ink transfer especially those that are suitable for thermal printers, have the peculiarity that they tend to adhere to the recording material.
  • a guide roller and the scraper are firmly connected to the print head carriage. This makes it possible to move the scraper from the working position to a paper insertion position when the ink ribbon is to be transported and / or when the recording medium is to be moved.
  • the introduction of the ribbon is difficult in this case, since the ribbon has to be zigzagged around the pressure roller, the scraper and the recording head. An introduction of the ribbon without the help of the operator's hands is therefore not conceivable in this case.
  • the invention is accordingly characterized in that the print head is pivotally arranged between a defined working position and a defined paper insertion position and that the scraper is designed as an element which is supported on stationary parts in the vicinity of the printing pad, so that it swivels when the print head is pivoted into the paper insertion position maintains its functional position, so that when the paper is inserted, the stripper maintains its position between the recording medium and the ink ribbon, while the print head rests on the ink ribbon and the printing pad when it is pivoted into the working position.
  • the device works most safely if the scraper is supported on a stationary part immediately in front of the printing pad.
  • the scraper is particularly effective when it is itself a resilient part. If printing is to take place in two directions, i.e. from left to right and from right to left, then it is advisable to provide two wipers together with the print head, one of which works when the print head runs clockwise, the other when it runs counter-clockwise.
  • the entire printing device is accommodated in a housing 1 which surrounds the printing device on all sides.
  • the housing 1 is provided with an opening 2 through which a guide table 3 for the recording media 36 to be inserted (FIG. 3) passes.
  • the housing 1 is provided with a slot 4, into which the cassette 5 with the ink transfer ribbon 20 (FIG. 2) can be inserted.
  • the guide table 3 is provided with two lateral guide edges 6 and 7.
  • An upper guide plate 8 is angled at its front edge at 9, so that there is an insertion shaft 10 for the recording medium 36 to be printed.
  • a resilient wiper 33 which rests with its multiple resiliently bent nose 34 with its front end 35 on the guide plate 8 and, as can be seen in particular in FIG. 3, between the ink ribbon 20 and the Record carrier 36 rests.
  • the stripper 33, 34, 35 is arranged as a spring clip so that it rests constantly against the upper paper guide, regardless of whether the print head 24 is in its printing position (working position) (Fig. 1) or in its raised position (paper insertion position) (Fig. 3).
  • FIGS. 3 and 3a shows that in the working position (FIG.
  • Fig. 3a shows that when the print head 24 is pivoted in the paper insertion position, it is raised so far that the ink ribbon 20 in its cassette 5 without problems between the print head 24 and the wipers 34/35 resting resiliently on the pressure bar 32 and on the guide plate 8 can be introduced.
  • a pivot lever 37 is mounted on the back of the part 25, which is in its right one End position cooperates with a stop pin 38, the stop pin 38 pivoting the pivot lever 37.
  • the part 26 is pivoted relative to the part 25 and thus the two parts 26 and 27 are raised.
  • the pivot lever 37 interacts with a release pawl (not shown) which pivots it into its other end position, as a result of which the printhead is brought into the print position shown in FIGS. 1, 3 and 4.
  • a mandrel 48 Via a reduction gear 47, which also contains a one-way clutch, a mandrel 48 is driven, which enters a recess 75 in the ink ribbon cassette 5 and thereby drives the ink ribbon 20 (FIG. 5).
  • the one-way clutch in the transmission 47 causes the ink ribbon to be driven only when the print head 24 moves backwards when the parts 26 and 27 are in the ineffective, raised position according to FIG. 3a.
  • the cassette is inserted through the slot 4 in the housing, connected to its drive means (mandrel 48) and brought into latching engagement with the holding and shifting means.
  • the cassette At its right edge, the cassette has a recess 49 (FIG. 5) into which a guide bar 50 on the printer frame 51 engages.
  • the cassette is provided on both sides with depressions 76, into which resilient locking levers 52 enter with a nose 53. For the sake of clarity, only the left locking lever 52 is shown.
  • the resilient locking lever 52 is mounted on an axis 54 (Fig. 1).
  • a bolt 55 on the resilient locking lever 52 interacts with a cam groove guide 56.
  • the cam groove guide 56 consists of a disk 57 with three locking recesses 58 arranged at an angle of 120 ° each and a cam groove 59.
  • the disk 57 is mounted on a shaft 60.
  • the bolt 55 moves in the groove 59 such that the locking lever 52 is pivoted, in three different positions corresponding to the three color components 21, 22, 23 of the ink ribbon 20.
  • a catch spring 61 with its projection 62 engages with a catch recess 58 of the disk 57. In this position, the cassette 5 is in its most retracted position.
  • the locking lever 52 is pivoted clockwise in Fig. 1 via the cam groove 59 and the bolt 55, whereby now the next Color zone 22 of the ribbon 20 comes into the active position. If the disk 57 is rotated again by 120 °, so that the third locking recess 58 in the disk 57 cooperates with the projection 62 on the spring 61, then the locking lever 52 is pivoted further to the right in a clockwise direction, so that the third color zone 23 the ribbon 20 is in the working position. The next time the disk 57 moves, the locking lever 52 moves backward into the starting position, controlled by the cam groove 59.
  • the pulley 57 is connected to a belt roller 63, over which the drive belt 64 is guided.
  • This drive belt 64 is resiliently attached to the drive lever 65, which is pivotally mounted on a support pin 67 by means of two angled ends 66.
  • the drive lever 65 is actuated by a bolt 68 which is fastened on the support part 26 of the print head 24.
  • the drive lever is provided with an angled edge 69, by means of which it is supported on the bolt 68.
  • the drive movement is ended as soon as the pin 68 over the end 70 of the edge 69 slides so that a further drive movement is no longer transmitted.
  • the pin 68 does not engage the edge 69 because the print head 24 is lowered during this movement.
  • the guide plate 71 pivots through the recording medium from the dashed to the fully excellent position, the insertion plate 71 ensuring that the recording medium 36 is pressed down slightly during the printing process.
  • the printer When the record carrier 36 has reached its first line position, the printer is activated by the electronic control, the motor 39 begins to move the print head 24 back and forth, a color zone of the print head 24 being moved from left to right Ribbon 20 is brought into contact with the recording medium 36.
  • the print head 24 moves from right to left, the print head 24 is pivoted by the pivot lever 37 and the stop 38 so that it is not in contact with the ink ribbon and the recording medium (paper insertion position).
  • the cam groove guide 56 is moved via the drive lever 65 in such a way that the ink ribbon 20 is brought into operative connection with another ink zone for the next print run of the print head 24.
  • the record carrier can be advanced by one line via the motor 17 and the transmission 18, 19, so that a new line can then be printed in three passes with respect to the ink ribbon 20.
  • 6 and 6a show a side view and a top view of the print carriage, the scraper and the platen.
  • the scraper here is not a resilient part but a plastic part 77 loosely mounted on the shaft 28, which rests on the guide part 8 due to its weight. 6 shows the printhead 24 in its paper insertion position.
  • a wiper 77 and 78 are arranged on each side of the print head 24. 1 and 2, when the print head 24 moves from left to right, the print head 24 is in its working position, while the return of the print head is in the paper insertion position, i.e. raised according to FIGS. 3 and 6a takes place. If, on the other hand, printing is also to be carried out in the return of the print head 24, then two wipers 77 and 78 are required, one of which is active in the forward movement, the other in the return movement. In the two end positions, the print head 24 then moves into the paper insertion position, while the wipers 77 and 78 remain in their position according to FIGS. 3a and 6.
  • the ink ribbon 20 runs tensioned through the printing zone z.
  • the tape 20 is withdrawn from the supply reel 79 and onto the take-up reel 80 wound up.
  • the drive takes place via a drive roller 75, in which the mandrel 48 engages and drives the ink ribbon 20.
  • the supply spool 79 of the ink ribbon is in a non-positive connection with the take-up spool 80 via a pulley 81 and also a longitudinally elastic belt 83 and a pulley 84.
  • the supply spool 79 is connected to the pulley 84 via a frictional connection. If the ribbon 20 in the printing zone z z. B. pulled out by the printhead 24 (see FIG.

Landscapes

  • Impression-Transfer Materials And Handling Thereof (AREA)
  • Common Mechanisms (AREA)
  • Electronic Switches (AREA)

Claims (5)

1. Imprimante et dispositif encreur pour celle-ci dans lesquels l'impression est réalisée au moyen d'un ruban transmetteur d'encre sur un support d'enregistrement normal et dans lesquels un séparateur est relié à la tête d'impression lequel opère un détachement du ruban transmetteur d'encre du support d'enregistrement après l'impression,
caractérisés par le fait
que la tête d'impression (24,26,27; figure 3 et figure 3a) est disposée de façon à pouvoir pivoter entre une position de travail définie et une position d'introduction de papier définie et
que le séparateur (33,34,35; 77, 78) est réalisé comme un élément qui s'appuie sur des pièces stationnaires (8) à proximité de la contre-plaque d'impression (32), de telle sorte qu'il conserve sa position fonctionnelle lors du pivotement de la tête d'impression (24, 26, 27) dans la position d'introduction de papier, si bien que, lors de l'introduction du papier, le séparateur (33, 34, 35; 77, 78) conserve sa position entre le support d'enregistrement (36) et le ruban encreur (20), alors que la tête d'impression appuie, lors du pivotement dans la position de travail, sur le ruban encreur et la contre-plaque d'impression (32).
2. Imprimante et dispositif encreur selon la revendication 1,
caractérisés par le fait
que le ruban transmetteur d'encre (20) est disposé dans une cassette (5) et est tendu en parcourant la zone d'impression (z).
3. Imprimante et dispositif encreur selon la revendication 1,
caractérisés par le fait
que le séparateur (33, 34, 35; 77, 78) s'appuie immédiatement avant la contre-plaque d'impression (32).
4. Imprimante et dispositif encreur selon la revendication 3,
caractérisés par le fait
que le séparateur (33, 34, 35) est un élément élastique.
5. Imprimante et dispositif encreur selon la revendication 1,
caractérisés par le fait
que respectivement un séparateur (77, 78) est disposé de part et d'autre de la tête d'impression pivotante (24).
EP84109279A 1983-08-31 1984-08-04 Imprimante avec dispositif d'encrage Expired EP0135744B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT84109279T ATE32996T1 (de) 1983-08-31 1984-08-04 Drucker und farbvorrichtung hierfuer.

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
DE8325015 1983-08-31
DE8325015U 1983-08-31
DE19843421033 DE3421033A1 (de) 1983-08-31 1984-06-06 Drucker und farbvorrichtung hierfuer
DE3421033 1984-06-06

Publications (3)

Publication Number Publication Date
EP0135744A2 EP0135744A2 (fr) 1985-04-03
EP0135744A3 EP0135744A3 (en) 1985-11-21
EP0135744B1 true EP0135744B1 (fr) 1988-03-16

Family

ID=25821872

Family Applications (1)

Application Number Title Priority Date Filing Date
EP84109279A Expired EP0135744B1 (fr) 1983-08-31 1984-08-04 Imprimante avec dispositif d'encrage

Country Status (3)

Country Link
US (1) US4676680A (fr)
EP (1) EP0135744B1 (fr)
DE (2) DE3421033A1 (fr)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4806948A (en) * 1987-02-17 1989-02-21 Ncr Corporation Ribbon separating mechanism for thermal printer
US5718525A (en) * 1996-01-05 1998-02-17 Brady Usa, Inc. label printer and dispenser
EP2121829B1 (fr) 2006-12-20 2012-02-01 Basell Poliolefine Italia S.r.l. Compositions de polypropylène contenant des charges et/ou des pigments
US8227550B2 (en) 2006-12-20 2012-07-24 Basell Poliolefine Italia S.R.L. Filled polyolefin compositions
US8309659B2 (en) 2006-12-20 2012-11-13 Basell Poliolefine Italia S.R.L. Filled polyolefin compositions
JP5237964B2 (ja) * 2006-12-20 2013-07-17 バーゼル・ポリオレフィン・イタリア・ソチエタ・ア・レスポンサビリタ・リミタータ 充填剤添加ポリオレフィン組成物類
DE102009033513A1 (de) * 2009-07-15 2011-03-03 Paul Beck Vorrichtung zum Kennzeichen von Behältnissen, insbesondere Probebehältern für medizinische Proben, Verfahren zum Kennzeichen von Behältnissen sowie Verwendung einer Kennzeichenvorrichtung
US8556205B2 (en) * 2011-01-28 2013-10-15 Eastman Kodak Company Printer web medium supply
US8740131B2 (en) * 2011-01-28 2014-06-03 Eastman Kodak Company Printer web medium supply with drive system

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5630880A (en) * 1979-08-24 1981-03-28 Hitachi Ltd Positioning mechanism for heat-sensitive recorder
US4387380A (en) * 1980-03-06 1983-06-07 Canon Kabushiki Kaisha Printer
JPS5798384A (en) * 1980-12-11 1982-06-18 Oki Electric Ind Co Ltd Printer
IT1135599B (it) * 1981-02-24 1986-08-27 Honeywell Inf Systems Dispositivo antirumore per stampante seriale
JPS5829447U (ja) * 1981-08-21 1983-02-25 セイコーエプソン株式会社 印字装置
US4407595A (en) * 1981-08-31 1983-10-04 Digital Equipment Corporation Color printing apparatus
JPS5839480A (ja) * 1981-09-04 1983-03-08 Hitachi Ltd 印字機構
JPS5855257A (ja) * 1981-09-30 1983-04-01 Ricoh Co Ltd 熱転写型カラ−プリンタ
JPS5863494A (ja) * 1981-10-14 1983-04-15 Canon Inc 印字装置
JPS591274A (ja) * 1982-06-29 1984-01-06 Toshiba Corp 熱転写記録装置

Also Published As

Publication number Publication date
DE3421033A1 (de) 1985-03-14
EP0135744A2 (fr) 1985-04-03
EP0135744A3 (en) 1985-11-21
DE3469864D1 (en) 1988-04-21
US4676680A (en) 1987-06-30

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