EP1236581B1 - Dispositif de tension pour ruban encreur dans une imprimante - Google Patents

Dispositif de tension pour ruban encreur dans une imprimante Download PDF

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Publication number
EP1236581B1
EP1236581B1 EP20010309165 EP01309165A EP1236581B1 EP 1236581 B1 EP1236581 B1 EP 1236581B1 EP 20010309165 EP20010309165 EP 20010309165 EP 01309165 A EP01309165 A EP 01309165A EP 1236581 B1 EP1236581 B1 EP 1236581B1
Authority
EP
European Patent Office
Prior art keywords
ribbon
tension
shaft
plate
holder
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
EP20010309165
Other languages
German (de)
English (en)
Other versions
EP1236581A1 (fr
Inventor
Akira c/o Heiwa Tokei Manufacturing Takahashi
Yutaka c/o Heiwa Tokei Manufacturing Inokuchi
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.)
Citizen Holdings Co Ltd
Original Assignee
Citizen Holdings Co Ltd
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 Citizen Holdings Co Ltd filed Critical Citizen Holdings Co Ltd
Publication of EP1236581A1 publication Critical patent/EP1236581A1/fr
Application granted granted Critical
Publication of EP1236581B1 publication Critical patent/EP1236581B1/fr
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
    • B41J33/00—Apparatus or arrangements for feeding ink ribbons or like character-size impression-transfer material
    • B41J33/14—Ribbon-feed devices or mechanisms
    • 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
    • B41J35/28—Detachable carriers or holders for ink-ribbon mechanisms

Definitions

  • the present invention relates to a mechanism for adjusting tension of an inked ribbon of a printer.
  • the thermal printer which produces printed impressions by using an inked ribbon is well known.
  • tension applying mechanisms There are two tension applying mechanisms, one of which is provided for applying a back tension to a feeding ribbon, and the other is provided for applying a winding-up tension.
  • the value of the tension applied to the ribbon has influence on the quality of the printing.
  • Japanese Patent Application Laid Open 7-89172 discloses a mechanism for controlling tension applied to an inked ribbon to a constant value by detecting the fluctuation of the tension of the inked ribbon which is caused by the change of diameter of the rolled ribbon during the printing operation.
  • US4,174,078 discloses a tape tensioning apparatus particularly useful in regulating the tension in a tape such as an elongated strip of printer ribbon stock used in printing apparatus such as mechanical impact printers.
  • An object of the present invention is to provide a tension adjusting mechanism which may keep the ribbon tension constant without driving mechanisms.
  • a mechanism for adjusting tension of an inked ribbon of a printer having a pair of frames comprising:
  • the ribbon tension adjusting means comprises a brake drum provided to be rotated together with the corresponding ribbon holder, and a brake belt slidably engaged with the surface of the brake drum, a base end of the brake belt is fixed, and a movable end of the brake belt is connected to the ribbon tension detecting plate so as to be moved by the ribbon tension detecting plate in a break belt pulling direction.
  • a spring is connected to the ribbon tension detecting plate so as to urge the detecting plate in the brake belt pulling direction.
  • the brake drum is provided to be rotated by a power source of the printer through a power cutting off device.
  • the power cutting off device is a differential.
  • the power cutting off device is a friction clutch.
  • the differential is composed by a bevel gear device, or a planetary gear device.
  • a thermal head 21 is mounted by a thermal head supporting device (not shown) and provided to be pressed against a platen 22 to perform thermal printing.
  • a pair of frames 10 and 11 rotatably support a ribbon supply side ribbon holder 13 and a ribbon winding side ribbon holder 13a.
  • a rolled inked ribbon 12 is mounted on the ribbon holder 13.
  • An inked ribbon 12a is drawn out from the rolled inked ribbon 12 in the direction of the arrow A of Fig. 1 , and wound up on the ribbon holder 13a through ribbon guide rollers 33, 34, 35 and 36 in printing operation.
  • a supply side brake drum 14 is securely mounted to be rotated together with the ribbon holder 13.
  • a brake belt 15 as a ribbon tension adjusting member and having a friction surface on which a friction material such as felt is adhered is wound on the brake drum 14 at the friction surface.
  • An end of the brake belt 15 is secured to the frame 10 through a fixing plate 16.
  • the fixing plate 16 is fixed to the frame 10 by a screw 16b inserted in an elongated hole 16a of the frame 10, so that the position of the fixing plate 16 can be adjusted in the longitudinal direction of the belt 15.
  • the other end of the brake belt 15 is fixed to a fixing plate 23 which is in turn secured to a tension detecting plate 17 through a shaft 18 as shown in Fig. 2 .
  • the tension detecting plate 17 is pivotally mounted on a shaft 19 fixed to the frame 10, and connected to a tension detecting plate 28 pivotally mounted on a shaft 56 fixed to the frame 11.
  • the tension detecting plates 17 and 28 are connected to each other by a connecting plate 27.
  • a shaft 20 is fixed to the frames 10 and 11 and slidably engaged in an arcuated hole 17a formed in each of the tension detecting plates 17 and 28 so as to limit the pivoting range of the tension detecting plates 17 and 28.
  • a tension spring 24 is provided between a pin 25 mounted on the tension detecting plate 17 and a pin 26 mounted on the frame 10 so as to urge the tension detecting plate 17 in the counterclockwise direction about the shaft 19 to pull the brake belt 15.
  • the ribbon guide roller 33 is pivotally supported on the tension detecting plates 17 and 28.
  • a winding side brake drum 40 is securely mounted so as to be rotated together with the ribbon holder 13a.
  • a brake belt 41 similar to the brake belt 15 is wound on the brake drum 40 at a friction surface thereof.
  • An end of the brake belt 41 is secured to the frame 10 through a fixing plate 43 which is fixed to the frame 10 by a screw inserted in an elongated hole of the frame 10 similarly to the supply side.
  • the other end of the brake belt 41 is fixed to a fixing plate 44 which is in turn secured to a tension detecting plate 45 through a shaft 46.
  • the tension detecting plate 45 is pivotally mounted on a shaft 47 secured to the frame 10, and connected to another tension detecting plate (not shown) pivotally mounted on the other side frame 11.
  • the tension detecting plate 45 and the other tension detecting plate on the frame 11 are connected by a connecting plate 53.
  • a shaft 48 is fixed to the frames 10 and 11 and slidably engaged in an arcuated hole 49 formed in each of tension detecting plate 45 so as to limit the pivoting range of the tension detecting plate 45.
  • a tension spring 50 is provided between a pin 52 mounted on the tension detecting plate 45 and a pin 51 mounted on the frame 10 so as to urge the tension detecting plate 45 in the clockwise direction about the pin 47 to pull the brake belt 41.
  • the ribbon guide roller 36 is pivotally supported on the tension detecting plate 45.
  • a driving shaft 65 is rotatably supported on the frame 10 and another supporting plate (not shown) for supporting and driving the ribbon winding side ribbon holder 13a.
  • the ribbon holder 13a is detachably supported on a supporting core 67 secured to the shaft 65 by a pin 68 and on another shaft 65a.
  • the ribbon supply side ribbon holder 13 is supported in the same manner as the ribbon holder 13a, although supporting shafts are not shown in Fig. 2 .
  • a pulley 58 is securely mounted on the shaft 65 and connected by a belt 57 to another pulley (not shown) which is connected to a driving source for the platen 22 through a one-way clutch (not shown) so as to transmit driving force to the pulley 58.
  • the winding side brake drum 40 is rotatably mounted on the shaft 65 and on a flange of the pulley 58.
  • a differential gear device of bevel gears is provided in the brake drum 40.
  • the differential gear device comprises an input bevel gear 61 rotatably mounted on the shaft 65 and fixed to the pulley 58, a pair of bevel gears 62 and 63 provided in the brake drum 40, and an output bevel gear 64 fixed to the shaft 65 by a pin 66.
  • the power from the belt 57 is transmitted to the bevel gears 62 and 63 through the pulley 58 and bevel gear 61 to rotate the bevel gear 64 and the shaft 65.
  • the ribbon holder 13a is rotated to wind up the ribbon 12a, thereby increasing the tension of the ribbon 12a.
  • the tension applied to the guide roller 36 by the tension spring 50 is balanced with the tension of the inked ribbon 12a, so that a constant tension can be applied to the inked ribbon in the ribbon winding side.
  • Fig. 5 shows the second embodiment of the present invention.
  • Two gears 71 and 72 are mounted on the frame 10 by shafts 73 and 74 and meshed with each other.
  • Shafts 75 and 76 are fixed to the gears 71 and 72, respectively.
  • Springs 24 and 50 are provided between shafts 75, 76 and pins 25, 51.
  • Other ends of the shafts 75, 76 are engaged with circular holes 77 and 78, respectively.
  • Figs. 6a and 6b show another example of a differential composed by a planetary gear device.
  • the planetary gear device comprises a pair of sun gears 261 rotatably mounted on a shaft 265, two couples of planetary gears 262 and 263.
  • Fig. 7 is a perspective view of a thermal printer provided with a tension adjusting mechanism according to the third embodiment of the present invention.
  • Fig. 8 is a perspective view of the thermal printer when a printing mechanism portion is opened, and
  • Fig. 9 is a perspective view of the thermal printer when covers are detached from frames.
  • the thermal printer 101 comprises a platen roller 111, a thermal head holder 112 holding a thermal head, a printing mechanism 102, and a paper detecting sensor 103.
  • the printing mechanism 102 has a winding side ribbon holder 121 and a supply side ribbon holder 122, both of the holders 121 and 122 are supported on bearings 135a to 135d secured to machine frames 133 and 134 in covers 131, 132.
  • On the supply side ribbon holder 122 a rolled inked ribbon 125 is mounted.
  • a power transmitting gear 124 is secured to an end of a shaft of the winding side ribbon holder 121, and a knob 123 for manually rotating the holder 121 is secured to the other end of the shaft in order to tighten the ribbon on the holder.
  • the printing mechanism 102 and the paper detecting sensor 103 can be opened in order to change the rolled ribbon and paper.
  • Figs. 10 and 11 are exploded perspective views showing ribbon tension detecting means.
  • the ribbon tension detecting means comprises a winding side ribbon tension detecting framework 140 and a supply side ribbon tension detecting framework 150.
  • the winding side ribbon tension detecting framework 140 comprises a pair of arms 140a and 140b, a connecting plate 145 between the arms 140a and 140b, and a ribbon guide roller 141 fixed to the arms 140a and 140b.
  • a pin 143 of the arm 140a is rotatably engaged with a hole 331 of the frame 133, and a hole 144 of the arm 140b rotatably mounted on a shaft 332 fixed to the frame 134.
  • the ribbon tension detecting framework 140 is pivotally supported on the frames 133 and 134.
  • a ribbon guide roller 142 passes through elongated holes 147 and 148 of the arms 140a and 140b and is fixed to the frames 133 and 134 at holes 333 and 334.
  • the supply side ribbon tension detecting framework 150 comprises a pair of arms 150a and 150b, a ribbon guide roller 155 and a connecting rod 155a which are fixed to the arms 150a and 150b. Holes 501 and 502 formed in the arms 150a and 150b are rotatably engaged with shafts 152 and 153 securely to the frame 134 and 133, respectively. Thus, the supply side ribbon tension detecting framework 150 is pivotally mounted on the frames 133 and 134.
  • a coil spring 151 an end of which is engaged with a hole 503 of the arm 150a and the other end is engaged with a hole 504 of the frame 134, so that the ribbon tension detecting framework 150 is downwardly urged by the spring 151 so that the arm 150a is pressed against a shaft 154 as described hereinafter.
  • a gear train comprising gears 612, 613 and 614 are rotatably mounted on a gear supporting plate 610 by a shaft plate 611 so as to transmit the power for the platen shaft to the tension adjusting mechanism.
  • Each of the gears 612, 613 and 614 are rotatably mounted on a shaft 611a attached to the shaft plate 611.
  • the shaft 611a is inserted in an elongated hole of the gear supporting plate 610 which is secured to the frame 134.
  • a pulling spring 615 is provided between the gear supporting plate 610 and the shaft plate 611, thereby downwardly urging the shaft plate 611.
  • a gear 621 is securely mounted, and a reverse gear 622 is mounted, interposing a reverse one-way clutch 623.
  • a friction clutch F is provided on the shaft 630.
  • the friction clutch F comprises a brake drum 634, a spring 635 inserted in the brake drum 634, a pressure plate 636 fixed to the shaft 630 to press the spring 635 axially into the brake drum 634, a friction plate 633 rotatably mounted on the shaft 630, and a free gear 632 rotatably mounted on the shaft 630.
  • the brake drum 634 is attached to the shaft 630 by a pin 640 the end of which is slidably engaged with an axial groove formed on the shaft 630 so that the drum 634 can be rotated together with the shaft and axially urged by the spring 635.
  • a gear 631 is mounted on the shaft 630 through a one-way clutch 638 which transmits rotating power to the gear 631 only in the ribbon winding rotating direction of the shaft 630.
  • the gear 631 meshes with the gear 124 ( Fig. 7 ) of the ribbon holder 121.
  • the gear 632 engages with the gear 621 secured on the shaft 620, and the gear 631 engages with the reverse gear 622 mounted on the shaft 620 through the reverse one-way clutch 623. Therefore, the power for driving the platen roller 111 is transmitted to the gear 632 through the gear 621 and to the shaft 630 through the brake drum 634 interposing the friction plate 633 there-between.
  • the rotation of the shaft 630 causes the gear 631 to rotate through the one-way clutch 638 to rotate the ribbon holder 121, thereby winding the ribbon.
  • a brake belt 650 made of friction material such as felt is contacted with the brake drum 634 in order to apply friction to the drum.
  • One of ends of the brake belt 650 is connected to the frame 134 through a fixing plate 652, and the other end of the belt is connected to a movable plate 651 slidably mounted on a shaft 651a.
  • the shaft 651a is connected to a belt tension plate 149 at holes 149b thereof .
  • the belt tension plate 149 is rotatably mounted on the shaft 332 at holes 149a.
  • the shaft 332 supports the arms 140a and 140b of the ribbon tension detecting framework 140 as described above.
  • the ribbon tension detecting framework 140 and the belt tension plate 149 are connected with each other by a pin 146 fixed to the arm 140b and engaged with a hole 160 of the plate 149 as shown in Fig. 13 .
  • An end of the pin 146 is slidably engaged with an elongated hole 335 of the frame 134 ( Fig. 7 ).
  • the belt tension plate 149 is rotated by the ribbon tension detecting framework 140.
  • a hook 655 of a tension spring 654 is hung on a hook 658 of the belt tension plate 149, and another hook 657 is connected to the frame 134 to urge the ribbon tension detecting framework 140 and the belt tension plate 149 in the counterclockwise direction about the shaft 332.
  • the ribbon 125a from the rolled ribbon 125 passes through the guide roller 155, a guide corner G and the guide rollers 141 and 142 and is wound on the ribbon holder 121.
  • the ribbon tension detecting framework 140 and the belt tension plate 149 connected to the framework 140 by the pin 146 are rotated in the clockwise direction a about the shaft 332.
  • the rotation of the plate 149 causes the shaft 651a fixed to the plate and the belt plate 651 engaged with the shaft 651a to move in the direction b of Fig. 13 . Consequently, the belt 650 connected to the belt plate 651 is pulled in the direction b, so that the tension of the belt 650 increases to increase the friction between the belt and the brake drum 634.
  • the brake drum 634 is braked to reduce the winding tension of the ribbon 125a.
  • the brake belt 650 when the tension of the ribbon becomes higher than a predetermined value, the brake belt 650 is pulled to increase the friction between the belt and the brake drum 634 increases to reduce the power to the ribbon holder 121.
  • the brake belt 650 loosens to increase the power to the ribbon holder 121.
  • the tension of the inked ribbon is kept constant.
  • the gear 631 is reversely rotated through the reverse one-way clutch 623, so that the inked ribbon on the ribbon holder 121 is pulled out.
  • a back feed tension control device is provided for the shaft 620, so that the ribbon tension is also controlled in the back feed operation.
  • Fig. 14 shows details of the movable plate 651.
  • a spring 173 is mounted on a shaft 171 which penetrates the shaft 651a and is fixed to the movable plate 651 by a pair of E-rings.
  • a tension adjust mechanism for the ribbon supply side will be described hereinafter with reference to Figs. 11 to 13 .
  • a belt tension plate 521 is rotatably supported on the frame 134 by a shaft 152 ( Figs. 11 and 12b ).
  • the belt tension plate 521 comprises an outside frame 521b and an inside frame 521a and is urged in the counterclockwise direction by a spring 156.
  • the shaft 154 with which the arm 150a of the ribbon tension detecting framework 150 is contacted as described above is securely mounted on the belt tension plate 521.
  • a ribbon supply side brake drum 661 has a shaft 662 secured thereto and is rotatably supported on the frame 134 by the shaft 662.
  • a brake belt 660 is mounted on the brake drum 661. An end of the brake belt 660 is fixed to a plate 665 secured to the frame 134 and the other end is engaged with the shaft 154.
  • the belt tension plate 521 is urged by a spring in the counterclockwise direction in Fig. 13 , thereby applying tension to the brake belt 660.
  • a ribbon end detecting sensor 666 is mounted on the frame 134 so as to detect the end of the inked ribbon 125a.
  • a gear 661a fixed to the shaft 662 of the brake drum 661 is engaged with a gear 663 mounted on a shaft 664a of a rotating plate 664.
  • the gear 663 engages with a gear 122a ( Fig. 7 ) of the ribbon holder 122 so that the rotation of the holder is transmitted to the brake drum 661.
  • a lever 667 mounted on the rotating plate 664 is slidably contacted with a semicircular guide groove 667a as shown in Fig. 10 , so that the lever and hence the rotating plate 664 can be rotated about 90 degrees to change the position of the gear 663.
  • the ribbon tension detecting framework 150 is upwardly urged by the spring 151 to be contacted with the shaft 154.
  • the ribbon tension detecting framework 150 and the belt tension plate 521 connected to the framework 150 are rotated in the clockwise direction c ( Fig. 13 ) about the shafts 152 and 153.
  • the rotation of the plate 521 causes the shaft 154 to move in the direction d of Fig. 13 . Consequently the belt 660 is loosened, so that the load on the brake drum 661 is reduced to reduce the winding tension of the ribbon 125a.
  • tension of the inked ribbon is kept constant even if the diameter of the rolled ribbon changes.

Landscapes

  • Impression-Transfer Materials And Handling Thereof (AREA)

Claims (9)

  1. Mécanisme en vue du réglage de la tension d'un ruban encré d'une imprimante ayant une paire de cadres, comprenant :
    un support de ruban du côté d'enroulement du ruban (13a), tenu en rotation (13) sur les cadres ;
    un support de ruban du côté de l'alimentation du ruban (13), supporté sur les cadres ;
    des rouleaux de guidage (33, 34, 35, 36), prévus pour guider un ruban encré étendu entre le support de ruban du côté de l'enroulement et le support de ruban du côté de l'alimentation ;
    au moins une plaque de détection de la tension du ruban (17, 28), supportée en rotation sur un des cadres et supportant une des rouleaux de guidage, de façon à être mis en rotation en fonction de la tension du ruban encré ;
    un moyen de réglage de la tension du ruban (14, 15), réagissant à la position angulaire de la plaque de détection de la tension du ruban en vue d'appliquer une charge sur le support de ruban correspondant, de telle sorte que la tension du ruban encré soit ajustée à une valeur prédéterminée, caractérisé en ce que la plaque de détection de la tension du ruban (17) et le moyen de réglage de la tension (14, 15) sont reliés l'un à l'autre de façon à être opérés par la tension du ruban encré.
  2. Mécanisme selon la revendication 1, dans lequel la plaque de détection de la tension du ruban et le moyen de réglage de la tension du ruban sont reliés au sein d'un plan plat.
  3. Mécanisme selon la revendication 1 ou 2, dans lequel le moyen de réglage de la tension du ruban comprend un tambour de frein (14), prévu pour être mis en rotation conjointement au support de ruban correspondant, et une courroie de frein (15), engagée en glissement avec la surface du tambour de frein, en ce qu'une extrémité de base de la courroie de frein est fixe et en ce qu'une extrémité mobile de la courroie de frein est connectée à la plaque de détection de la tension du ruban (17), de façon à être déplacée par la plaque de détection de la tension du ruban dans une direction de traction de la courroie du frein.
  4. Mécanisme selon la revendication 2 ou 3, comprenant en outre un ressort (24) connecté à la plaque de détection de la tension du ruban, de manière à forcer la plaque de détection dans la direction de traction de la courroie de frein.
  5. Mécanisme selon la revendication 4, dans lequel le tambour de frein (14) est prévu pour être mis en rotation par une source d'entrainement de l'imprimante par l'intermédiaire d'un dispositif d'interruption de l'entraînement.
  6. Mécanisme selon la revendication 5, dans lequel le dispositif d'interruption de l'entrainement est un différentiel.
  7. Mécanisme selon la revendication 5 dans lequel le dispositif d'interruption de l'entrainement est un embrayage à friction (631, 632, 633, 634, 635, 636).
  8. Mécanisme selon la revendication 6, dans lequel le différentiel est composé par un dispositif à engrenage conique (61, 62, 63, 64).
  9. Mécanisme selon la revendication 6, dans lequel le différentiel est composé d'un dispositif à engrenage planétaire (261, 262, 263).
EP20010309165 2001-03-01 2001-10-30 Dispositif de tension pour ruban encreur dans une imprimante Expired - Lifetime EP1236581B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2001056383 2001-03-01
JP2001056383A JP2002254782A (ja) 2001-03-01 2001-03-01 熱転写プリンタのリボンテンション調整機構

Publications (2)

Publication Number Publication Date
EP1236581A1 EP1236581A1 (fr) 2002-09-04
EP1236581B1 true EP1236581B1 (fr) 2008-12-03

Family

ID=18916416

Family Applications (1)

Application Number Title Priority Date Filing Date
EP20010309165 Expired - Lifetime EP1236581B1 (fr) 2001-03-01 2001-10-30 Dispositif de tension pour ruban encreur dans une imprimante

Country Status (5)

Country Link
EP (1) EP1236581B1 (fr)
JP (1) JP2002254782A (fr)
CN (1) CN1212235C (fr)
DE (1) DE60136789D1 (fr)
GB (1) GB2372724B (fr)

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EP1470926B1 (fr) 2003-04-22 2007-03-28 Markem Technologies Limited Appareil de commande pour mécanisme de transport de ruban
GB0309039D0 (en) * 2003-04-22 2003-05-28 Marken Technologies Ltd Apparatus for controlling a ribbon transport mechanism
US7798733B2 (en) 2004-06-14 2010-09-21 Citizen Holdings Co., Ltd. Ribbon feeder and printer
CN2858275Y (zh) * 2005-09-15 2007-01-17 深圳市博思得通信发展有限公司 带有碳带调节装置的条码标签打印机
GB2448395B (en) * 2007-03-07 2009-05-06 Zipher Ltd Tape drive
WO2012099862A2 (fr) * 2011-01-20 2012-07-26 Videojet Technologies Inc. Système de mesure de la tension d'un ruban
JP2013203014A (ja) 2012-03-29 2013-10-07 Toshiba Tec Corp サーマルプリンタおよびインクリボン巻き方向の検出方法
JP6173071B2 (ja) * 2013-07-01 2017-08-02 キヤノン株式会社 インクリボンカセットおよび印刷装置
GB201513537D0 (en) * 2015-07-31 2015-09-16 Videojet Technologies Inc Tape support arrangement

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US4174078A (en) * 1978-10-16 1979-11-13 Interface Mechanisms, Inc. Tape tensioning apparatus particularly useful in printing apparatus
JPS5796889A (en) * 1980-12-08 1982-06-16 Fujitsu Ltd Ribbon tension control system
GB2150501B (en) * 1983-12-01 1987-11-11 Burroughs Corp Self-tensioning ribbon transport system
US4591879A (en) * 1984-01-28 1986-05-27 Kabushiki Kaisha Sato Winding mechanism for tape-like web
JPS6153157U (fr) * 1984-09-12 1986-04-10
JPS62156980A (ja) * 1985-12-27 1987-07-11 Sharp Corp 印字装置のリボンカ−トリツジ
JPS63120677A (ja) * 1986-11-11 1988-05-25 Brother Ind Ltd サ−マル印字装置
US5160205A (en) * 1991-06-17 1992-11-03 Monarch Marking Systems, Inc. Thermal printer with adjustable ink ribbon guide roll
JPH0789172A (ja) 1993-09-22 1995-04-04 Nec Corp インクリボン搬送機構
DE19514599C2 (de) * 1995-04-20 2001-09-06 Meto International Gmbh Drucker zum Bedrucken eines Aufzeichnungsträgers
TW391369U (en) * 1995-09-12 2000-05-21 King Jim Co Ltd Stamp-making apparatus, as well as function changeover mechanism, exposure system and stamp-making object material-detecting device therefor
JPH09169147A (ja) * 1995-12-20 1997-06-30 Mitsubishi Electric Corp プリンタ装置
US5927875A (en) * 1997-11-24 1999-07-27 Datamax Corporation Ribbon tensioning assembly
JP2002500801A (ja) * 1998-03-27 2002-01-08 コーニンクレッカ フィリップス エレクトロニクス エヌ ヴィ 細長い材料の張力を制御するコイルばねを含む張力制御手段を有する装置

Also Published As

Publication number Publication date
GB0125422D0 (en) 2001-12-12
JP2002254782A (ja) 2002-09-11
GB2372724B (en) 2005-03-16
EP1236581A1 (fr) 2002-09-04
DE60136789D1 (de) 2009-01-15
CN1212235C (zh) 2005-07-27
GB2372724A8 (en) 2005-08-03
CN1374199A (zh) 2002-10-16
GB2372724A (en) 2002-09-04

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