EP0184234A1 - Mehrfarbiger Drucker - Google Patents

Mehrfarbiger Drucker Download PDF

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Publication number
EP0184234A1
EP0184234A1 EP85201736A EP85201736A EP0184234A1 EP 0184234 A1 EP0184234 A1 EP 0184234A1 EP 85201736 A EP85201736 A EP 85201736A EP 85201736 A EP85201736 A EP 85201736A EP 0184234 A1 EP0184234 A1 EP 0184234A1
Authority
EP
European Patent Office
Prior art keywords
ribbon
printing
printer according
print head
paper
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.)
Withdrawn
Application number
EP85201736A
Other languages
English (en)
French (fr)
Inventor
Jorge Costa
Adrien Zahner
Félix Zurita
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.)
Hermes Precisa International SA
Original Assignee
Hermes Precisa International SA
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 Hermes Precisa International SA filed Critical Hermes Precisa International SA
Publication of EP0184234A1 publication Critical patent/EP0184234A1/de
Withdrawn legal-status Critical Current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
    • B41J35/16—Multicolour arrangements
    • B41J35/18—Colour change effected automatically
    • 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
    • B41J2/00—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed
    • B41J2/315—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed characterised by selective application of heat to a heat sensitive printing or impression-transfer material
    • B41J2/32—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed characterised by selective application of heat to a heat sensitive printing or impression-transfer material using thermal heads
    • B41J2/325—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed characterised by selective application of heat to a heat sensitive printing or impression-transfer material using thermal heads by selective transfer of ink from ink carrier, e.g. from ink ribbon or sheet
    • 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
    • B41J35/22—Mechanisms permitting the selective use of a plurality of ink ribbons

Definitions

  • the present invention relates to a printer for the simultaneous printing of an entire line comprising a print medium on which a sheet or strip of paper or other material to be printed is applied during printing, a print head. printing on which a multitude of printing members are arranged essentially along a line, an ink ribbon of a width corresponding substantially to the width of the printing head and a transport mechanism intended to move the paper in a perpendicular direction to said line, the ribbon being, in the printing position, inserted between the paper and the printing members and moved in said direction perpendicular to the line.
  • Such printers are generally known using a thermal printing head as described in European patent application No. 86.661.
  • printers For polychromic printing line by line, known printers generally have several printheads arranged one after the other and each having an ink ribbon of a different color. Such printers are described, inter alia, in US Patent 4,447,818 or in German application DE-OS 33.05.491, and include a transport mechanism for moving paper from one printing station to the next. Polychromic printers of this type are of a high cost price considering the cost of linear thermal print heads. In addition, the exact superimposition of the printing of the different colors is difficult to achieve and requires particularly severe construction requirements with regard to the paper transport mechanism.
  • Polychromic line by line printers which have only one print head and an ink ribbon having portions of different colors arranged one after the other. These printers, known as the "harlequin" type, are constructively simpler to produce, however causing a great loss of ink ribbon, hence a high cost of use.
  • the object of the present invention is to remedy these drawbacks by creating an accurate and reliable printer, while reducing consumption of ink ribbons to a minimum.
  • the printer according to the invention is characterized, for this purpose, in that it comprises at least one other ink ribbon and a changer device intended to exchange and place one or the other of the ink ribbons at said printing position.
  • the printer illustrated in FIGS. 1 and 2 comprises a printing medium in the form of a cylinder 2 made of aluminum profile covered with an elastomer coating 3.
  • the printer is fed with sheets of paper to be printed along 'an inclined plane 4 and these are stored in a tray 5 after printing.
  • the cylinder 2 is rotatably mounted by a shaft 6 in the frame 7 and includes a paper clamp mechanism 8.
  • the latter comprises an elastic metal blade 9 in the form of a comb fixed by one of its sides over its entire length to the profile of the cylinder 2
  • the teeth of the comb are provided on the one hand with supporting parts 10 which are urged elastically against the cylinder 2 and making it possible to maintain the sheet on the latter and, on the other hand, with abutment parts 11 intended to stop a sheet in a precise position when it is inserted into the printer.
  • the opening and closing movement of the elastic blade 9 is controlled by a cam 12, the pivot shaft 18 of which is integral with the cylinder 2.
  • This cam 12 carries a control finger 13 having a stud 14 capable of cooperating with a stop 15 pivotally mounted around a shaft 16 secured to the frame 7.
  • a rod 17 determines a rest position for the stop 15.
  • the printer further comprises a control bar 20 retractably mounted on the frame 7 and intended to control the opening of the paper-clamp mechanism 8 when a sheet is printed by cooperating with the finger 13, as illustrated in broken lines in FIG. 1.
  • the mechanism 8 is provided with a second elastic blade 21 in the form of a comb, the teeth of which occupy the interstices between the abutment pieces 11. Fixed on one side with the blade 9 to the cylinder 2, this blade 21 is applied by its other side in the sheet insertion position against the cylinder 2, as illustrated in FIG. 1.
  • the printer further comprises a guide screen 22 having grooves for the passage of the raised teeth of the metal blade 9. This screen guides the separate sheet to the tray 5.
  • a backpressure roller 23 allows the transport of the sheet to this tray 5, when released by the paper clip mechanism 8.
  • the print head 30 of the printer is provided with a number of heating elements 33 arranged in line.
  • Each element 33 is connected to a control unit, not illustrated, controlling the passage of an electric current in some of the elements at a given time, which heats them and causes the thermal transfer of ink from an ink ribbon 31 onto the paper to be printed.
  • This printhead 30 is mounted on pivoting arms 32 controlled by a motor not shown and intended to apply the heating elements 33 with a determined pressure against the ink ribbon 31 and to retract the printhead as illustrated in lines interrupted 34.
  • the printer is provided with a changing device 40 intended to exchange and to place one or the other of the ink ribbons 31 in the printing position.
  • This device comprises a conveyor mechanism constituted by two notched belts 41 connected by four rods 42 to ensure their parallel movement. These belts 41 are each mounted on four rollers 43 with notched periphery having common shafts 44 mounted in bearings 52 provided on the frame 7. One of the shafts 44 is driven by a stepping motor 45.
  • Four organs of attachment 46 for cassettes 55 are mounted on the two belts 41 which constitute a substantially rectangular changer circuit.
  • These fixing members 46 comprise two lateral plates 47 (fig. 2) connected by two spacers 48. Each of the plates 47 is held at one of the belts 41 by two pins 49, 50 integral with the latter. One 49 of the pins crosses the plate 47 through a hole and serves as a pivot shaft, while the other pin 50 is capable of sliding in a slot 51 of the plate 47 so as to allow the passage of the angles of the circuit rectangular.
  • the printer is intended for polychromic printing - in four colors and includes, for this purpose, four ink ribbons 31 for printing in black, yellow, cyane and magenta. These ribbons are contained in four cassettes 55, a copy of which is shown in FIG. 3. In these cassettes, the ink ribbon 31 is unwound from a supply reel 56, passes in front of a window 57 and is wound on a take-up reel 58. This the latter is integral with a wheel 59 capable of cooperating in the friction printing position with a drive wheel 60, itself driven by the cylinder 2 thanks to a belt 61.
  • Each of the cassettes 55 made of synthetic material, has retaining flanges 62 intended to engage frictionally on the two spacers 48 allowing it to be mounted on the fixing members 46.
  • the printer works as follows. In the non-use position, the print head 30 is in the position 34 illustrated in broken lines in FIG. 1 and the paper-clip mechanism 8 is open. Following a paper feed command, a sheet is supplied along the inclined plane 4 and stopped by the stop pieces 11 in a precise position. The cylinder - 2 is then turned 9 ° backwards in the opposite direction clockwise. The stud 14 being in contact with the pivoting stop 15, the cam 12 is turned around its shaft 18 until its flat face 19 is opposite the elastic blade 19 which then clamps the sheet between the pieces of support 10 and cylinder 2. The latter can then be rotated in the direction indicated by the arrow, until the sheet is in the printing position.
  • the stepping motor 45 is started to transport the cassette 55 containing the appropriate ribbon to the printing position.
  • the print head 30 is then pivoted to penetrate into the center of the cassette 55, where it is put in place so that its heating elements 33 press the ink ribbon 31 through the window 31 with a determined pressure against the disposed paper on cylinder 2.
  • Printing can then take place line by line by simultaneous heating of some of the elements for a line at a given time.
  • the head 30 is removed by a few millimeters from the cylinder 2 so that the ink ribbon 31 is no longer applied against the paper.
  • the cylinder 2 can then rotate freely without the ink ribbon 31 being advanced.
  • the friction force of the drive between the wheel 60 and the wheel 59 is chosen so that the ink ribbon 31 is only advanced when the print head 30 applies the ribbon 31 against the cylinder 2 and when the latter is rotated in the direction of the arrow. This friction force is however too low to advance the ribbon 31, when the latter is not applied against the paper and assisted in its movement by the rotation of the cylinder 2.
  • control bar 20 is retracted so as not to control the opening of the paper-clip mechanism 8 if a new color is to be applied.
  • the stud 14 raises the pivoting stop 15 in the passage without the position of the cam 12 being changed.
  • the head 30 is retracted and the motor 45 of the ribbon changer device 40 is started to place, if necessary, another ink ribbon in the printing position and so on.
  • the control bar 20 While the last desired color is being printed, the control bar 20 is advanced so as to cooperate with the finger 13. Passing near this bar 20, the cam 12 is pivoted and first raises the blade 9 to release the sheet and then the exploding blade 21.
  • the shape of the cam 12 is given so that it comes back to be immobilized in the second rest position determined by the flat face 24 facing the elastic blade 9 In this rest position, the paper clamp mechanism 8 is open, but the expulsion blade 21 is pressed against the cylinder, as shown in FIG. 1.
  • the teeth of the raised blade 9 then pass through the grooves of the guide screen 22. Arrived at the angular position illustrated in FIG. 1, a new sheet can be introduced since the paper-clip mechanism 8 is open.
  • the second embodiment illustrated in FIG. 4 has a print medium identical to the first embodiment, but is distinguished from the latter by the tape changer device 70.
  • This device consists of a drum 71 comprising two lateral flanges 72 connected by four rods or spacers 73.
  • Four cassettes 74 containing the ink ribbons 31 are provided with projecting portions 75 engaging with greasy friction on the rods 73.
  • the two flanges 72 are each carried by three rollers 76, the shafts 77 of which are mounted in the frame of the printer.
  • a toothed belt 78 allows the rotation of the drum controlled by a stepping motor 79.
  • the central part of the two flanges 72 has a circular opening 80 intended for the passage of a control arm 81 ensuring the establishment and removing the print head 30.
  • the cassettes 74 also include a front window 82 through which the ink ribbon 31 can be applied against the paper.
  • the printing medium could be constituted by a flat carriage carrying out a linear movement back and forth. Changing devices could be provided for a different number of ink ribbon cassettes.
  • the print head could be of a completely different type of operation, for example a print head with needles arranged essentially along a line.

Landscapes

  • Impression-Transfer Materials And Handling Thereof (AREA)
  • Electronic Switches (AREA)
EP85201736A 1984-11-22 1985-10-25 Mehrfarbiger Drucker Withdrawn EP0184234A1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CH5586/84A CH661007A5 (fr) 1984-11-22 1984-11-22 Imprimante pour l'impression simultanee d'une ligne entiere.
CH5586/84 1984-11-22

Publications (1)

Publication Number Publication Date
EP0184234A1 true EP0184234A1 (de) 1986-06-11

Family

ID=4296056

Family Applications (1)

Application Number Title Priority Date Filing Date
EP85201736A Withdrawn EP0184234A1 (de) 1984-11-22 1985-10-25 Mehrfarbiger Drucker

Country Status (4)

Country Link
US (1) US4778290A (de)
EP (1) EP0184234A1 (de)
JP (1) JPS61252187A (de)
CH (1) CH661007A5 (de)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4898484A (en) * 1985-02-27 1990-02-06 Hitachi, Ltd. Thermal transfer printer
US5030969A (en) * 1989-07-26 1991-07-09 Graphtec Kabushiki Kaisha Ribbon charging mechanism in a multicolor thermal transfer printer
EP0580322A1 (de) * 1992-07-24 1994-01-26 Esselte Dymo N.V. Thermodrucker
US5733053A (en) * 1995-05-10 1998-03-31 Japan Servo Co., Ltd. Thermal transfer printing apparatus
CN109367260A (zh) * 2018-11-09 2019-02-22 恒银金融科技股份有限公司 热转印打印机碳带安装结构及热转印打印机

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5352048A (en) * 1988-12-23 1994-10-04 Canon Kabushiki Kaisha Ink sheet cassette and recording apparatus capable of loading the ink sheet cassette
US5122811A (en) * 1991-03-04 1992-06-16 Eastman Kodak Company Method and apparatus for printing with a reduced print-cycle time
US5142305A (en) * 1991-03-04 1992-08-25 Eastman Kodak Company Apparatus for clamping and ejecting a receiver in a printing operation
KR950011933B1 (ko) * 1991-10-16 1995-10-12 삼성전자주식회사 비디오 프린터 홀더장치
US5383733A (en) * 1992-07-24 1995-01-24 Summagraphics Corporation Ribbon cassette for a printer
US5267802A (en) * 1992-07-24 1993-12-07 Summagraphics Corporation Ribbon cassette storage and transfer apparatus for a printer
US5491504A (en) * 1993-07-13 1996-02-13 Textronix, Inc. Thermal transfer printer ink ribbon-changing carousel apparatus and method
GB2282568B (en) * 1993-09-22 1998-04-22 Asahi Optical Co Ltd Thermal line printer
US5690439A (en) * 1994-12-15 1997-11-25 Japan Servo Co., Ltd. Thermal transfer printing apparatus
GB2334235B (en) * 1998-02-13 2002-01-09 Graseby Allen Ltd Print apparatus with movable printhead for user access
US6250221B1 (en) * 1999-09-14 2001-06-26 Agfa Corporation Imaging system having external drum and method for producing drum
WO2022128941A1 (en) * 2020-12-14 2022-06-23 Armor Thermal transfer printing apparatus with coating module comprising an endless band
CN117042975A (zh) * 2020-12-14 2023-11-10 阿尔莫 包括冷却器的热敏打印设备
CN114248559B (zh) * 2021-12-14 2023-04-07 湖南鼎一致远科技发展有限公司 一种多彩热转印打印装置

Citations (7)

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Publication number Priority date Publication date Assignee Title
US3127178A (en) * 1960-06-29 1964-03-31 Tape playing machine
US3494622A (en) * 1968-09-23 1970-02-10 Robert C Zeigler Jr Tape cartridge storage apparatus
DE2047386A1 (de) * 1969-09-25 1971-04-15 Olympus Optical Co Vorrichtung zur automatischen Be tatigung einer aus einer Anordnung von Tonbandkassetten ausgewählten Tonband kassette
US4067017A (en) * 1975-11-20 1978-01-03 Michael L. Dertouzos Parallel thermal printer
EP0086661A2 (de) * 1982-02-16 1983-08-24 Kabushiki Kaisha Toshiba Mehrfarbiger thermischer Transferdrucker und Verfahren zu seinem Betrieb
DE3305491A1 (de) * 1982-02-17 1983-08-25 Tokyo Shibaura Denki K.K., Kawasaki, Kanagawa Waermeuebertragungs-druckvorrichtung
US4447818A (en) * 1981-02-20 1984-05-08 Fuji Xerox Co., Ltd. Multicolor heat-sensitive recording apparatus

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Publication number Priority date Publication date Assignee Title
US3927747A (en) * 1974-04-01 1975-12-23 William H Wolowitz Printing machine in which the ribbons in two different cartridges may be selectively used
US3904017A (en) * 1974-06-03 1975-09-09 Litton Business Systems Inc Ribbon cassettes with prethreaded vibrator and ribbon feed means
US3980171A (en) * 1975-05-27 1976-09-14 Royal Business Machines, Inc. Ribbon cartridge
US3995731A (en) * 1975-06-02 1976-12-07 Ncr Corporation Multi-ribbon cassette and ribbon drive
DD128712A1 (de) * 1976-04-01 1977-12-07 Bernd Schlieder Kassettensystem,insbesondere fuer farb-,carbon-sowie korrekturbaender
US4504160A (en) * 1980-03-25 1985-03-12 Ramtek Corporation Color printer and multi-ribbon cartridge therefor
US4384797A (en) * 1981-08-13 1983-05-24 International Business Machines Corporation Single laminated element for thermal printing and lift-off correction, control therefor, and process
JPS58124687A (ja) * 1982-01-20 1983-07-25 Canon Inc 印字装置
JPS58171986A (ja) * 1982-04-02 1983-10-08 Canon Inc インクリボンカセツト
US4469459A (en) * 1982-04-21 1984-09-04 Envision Technology, Inc. Color printer
JPS59501704A (ja) * 1982-08-31 1984-10-11 オルロフスコエ　ナウチノ−プロイズボドストベノエ　オビエディネニエ゛アブトグラフ″ 色印刷装置
DE3307286C1 (de) * 1983-03-02 1984-06-28 Triumph-Adler Aktiengesellschaft für Büro- und Informationstechnik, 8500 Nürnberg Steuervorrichtung fuer Bewegungsablaeufe in Schreib- oder aehnlichen Maschinen mit einem Waermedruckkopf
JPH0655537B2 (ja) * 1983-05-25 1994-07-27 シャープ株式会社 多色熱転写記録装置
US4564303A (en) * 1983-06-09 1986-01-14 Michael J. Rosenberg Nontiltable, straight line path ribbon cartridge shifting means for multicolor ribbon including MICR ink
JPS59230780A (ja) * 1983-06-13 1984-12-25 Toshiba Corp 熱転写材カセツト
JPS604089A (ja) * 1983-06-22 1985-01-10 Janome Sewing Mach Co Ltd カラ−プリンタにおける印字色選択方法

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3127178A (en) * 1960-06-29 1964-03-31 Tape playing machine
US3494622A (en) * 1968-09-23 1970-02-10 Robert C Zeigler Jr Tape cartridge storage apparatus
DE2047386A1 (de) * 1969-09-25 1971-04-15 Olympus Optical Co Vorrichtung zur automatischen Be tatigung einer aus einer Anordnung von Tonbandkassetten ausgewählten Tonband kassette
US4067017A (en) * 1975-11-20 1978-01-03 Michael L. Dertouzos Parallel thermal printer
US4447818A (en) * 1981-02-20 1984-05-08 Fuji Xerox Co., Ltd. Multicolor heat-sensitive recording apparatus
EP0086661A2 (de) * 1982-02-16 1983-08-24 Kabushiki Kaisha Toshiba Mehrfarbiger thermischer Transferdrucker und Verfahren zu seinem Betrieb
DE3305491A1 (de) * 1982-02-17 1983-08-25 Tokyo Shibaura Denki K.K., Kawasaki, Kanagawa Waermeuebertragungs-druckvorrichtung

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
IBM TECHNICAL DISCLOSURE BULLETIN, vol. 22, no. 10, mars 1980, pages 4481,4482, New York, US; J.H. MEIER et al.: "Multiple ribbon cartridge color printer" *
MINI-MICRO SYSTEMS, vol. 16, no. 1, janvier 1983, pages 161-164, Denver, US; E.M. GOLDBERG et al.: "Printer combines plotter interface with matrix technology" *

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4898484A (en) * 1985-02-27 1990-02-06 Hitachi, Ltd. Thermal transfer printer
US5030969A (en) * 1989-07-26 1991-07-09 Graphtec Kabushiki Kaisha Ribbon charging mechanism in a multicolor thermal transfer printer
EP0580322A1 (de) * 1992-07-24 1994-01-26 Esselte Dymo N.V. Thermodrucker
US5610648A (en) * 1992-07-24 1997-03-11 Esselte N.V. Thermal printing device
US5733053A (en) * 1995-05-10 1998-03-31 Japan Servo Co., Ltd. Thermal transfer printing apparatus
CN109367260A (zh) * 2018-11-09 2019-02-22 恒银金融科技股份有限公司 热转印打印机碳带安装结构及热转印打印机

Also Published As

Publication number Publication date
US4778290A (en) 1988-10-18
JPS61252187A (ja) 1986-11-10
CH661007A5 (fr) 1987-06-30

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