EP0655031B2 - Aufklappbare vorrichtung für einen thermo-drucker - Google Patents

Aufklappbare vorrichtung für einen thermo-drucker Download PDF

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Publication number
EP0655031B2
EP0655031B2 EP93924680A EP93924680A EP0655031B2 EP 0655031 B2 EP0655031 B2 EP 0655031B2 EP 93924680 A EP93924680 A EP 93924680A EP 93924680 A EP93924680 A EP 93924680A EP 0655031 B2 EP0655031 B2 EP 0655031B2
Authority
EP
European Patent Office
Prior art keywords
cover
paper
roll
print head
chassis
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
EP93924680A
Other languages
English (en)
French (fr)
Other versions
EP0655031B1 (de
EP0655031A1 (de
Inventor
Bernard Patry
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.)
Axiohm SA
Original Assignee
Axiohm 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
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Application filed by Axiohm SA filed Critical Axiohm SA
Publication of EP0655031A1 publication Critical patent/EP0655031A1/de
Publication of EP0655031B1 publication Critical patent/EP0655031B1/de
Application granted granted Critical
Publication of EP0655031B2 publication Critical patent/EP0655031B2/de
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
    • B41J15/00—Devices or arrangements of selective printing mechanisms, e.g. ink-jet printers or thermal printers, specially adapted for supporting or handling copy material in continuous form, e.g. webs
    • B41J15/04—Supporting, feeding, or guiding devices; Mountings for web rolls or spindles
    • B41J15/042—Supporting, feeding, or guiding devices; Mountings for web rolls or spindles for loading rolled-up continuous copy material into printers, e.g. for replacing a used-up paper roll; Point-of-sale printers with openable casings allowing access to the rolled-up continuous copy material
    • 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
    • B41J11/00—Devices or arrangements  of selective printing mechanisms, e.g. ink-jet printers or thermal printers, for supporting or handling copy material in sheet or web form
    • B41J11/66—Applications of cutting devices
    • B41J11/70—Applications of cutting devices cutting perpendicular to the direction of paper feed
    • 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
    • B41J29/00—Details of, or accessories for, typewriters or selective printing mechanisms not otherwise provided for
    • B41J29/02—Framework

Definitions

  • the present invention relates to a device thermal printing in which the placement and removal of print media are facilitated.
  • Thermal print media is generally consisting of rolls of sheet material which are unwound under a print head using a drive roller (or capstan) and which are cut into sections to make a separate sheet (or a ticket ).
  • US-A-4297039 describes a device for thermal printing of paper comprising, in a chassis, a print head thermal and a paper drive roller, the chassis being in two movable parts, one by relation to each other between a position in which the head and the roller are distant and a position in which head rests on the roller, and, downstream of the print head, by one of the parts of the paper chassis carries the rotating blade and the stationary blade of a cutting member paper.
  • One of the main drawbacks of this type of devices lies in the difficulty of introducing the primer a roller in the print head and between the blades the cutting device into sections.
  • the present invention intends to simplify the construction of thermal printing devices which have the ability to be open to facilitate the introduction of the paper strip; it also presents the advantage of greater simplicity in use than existing devices.
  • the head print is carried elastically by a frame part fixed while the drive roller is carried by a movable chassis part articulated on the fixed chassis so that when the chassis is closed, the contact zone of the head heating point line printing on the paper feed roller is located behind the diameter of this roller passing through the joint of the mobile chassis on the fixed chassis seen in the direction of closing of the chassis around its articulation.
  • This arrangement ensures sufficient pressure, necessary for the proper maintenance of the paper on the capstan, the head printing forming an elastic lock on closing the frame.
  • the part of the print head located in front of the heating point line is profiled to provide head-forming cam surface, against the effect of an elastic member when the roller passes in the direction of closing the cover.
  • This contact direct does not no deterioration or premature wear of the head or capstan, contrary to what we feared, which avoids the installation of cam devices, outside the capstan and the print head. Indeed, the capstan rolls without sliding on this cam surface (covered with paper) without producing friction between the head and the paper that could be entrained by the roller.
  • the absence of a complex cam mechanism makes the total size of the device as small as possible.
  • the invention proposes also to add a paper cutter also opening.
  • the fixed frame carries the blade rotary of this cutting member downstream of the print head relative to the direction of travel of the paper, the blade stationary being carried by the cover downstream of the roller support.
  • This stationary blade is secured to a support resiliently coupled to the cover, this support or the blade forming a deflection surface from the paper path to the print head output.
  • This figure is only a partial representation of the printer according to the invention.
  • the case in which it is contained has a fixed part 1, which can by example belong to the chassis of a machine in which the printer is only a part, for example a case recorder.
  • This chassis 1 includes the necessary means fixing the thermal printing head 2 comprising essentially a ceramic substrate 3 which carries the line of heating points 4 and the chips 5 for controlling their food. Opposite line of dots and organs electronic the substrate 3 carries a dissipation radiator 6 heat.
  • This print head is articulated around an axis 7 on the fixed part 1 of the chassis and is pushed back, around the axis 7 against a fixed stop 8 by a spring 9.
  • the above representation of the thermal head is completely schematic and does not include all electrical elements and conductors of its supply and its connection with the control microprocessor.
  • the fixed part of the chassis has a compartment 11 which can receive a roll 12 thermally sensitive paper.
  • This compartment is closed by a cover 13 which, for example, is articulated on the fixed part 1 of the chassis around an axis substantially parallel to the line of points 4 (therefore perpendicular to the figure plane) located on line 14.
  • the cover 13 In its part opposite its axis of articulation on part 1 of the chassis, the cover 13 is equipped with a roller 15, called capstan, which extends parallel to the hinge pin of the cover 13.
  • This roller is integral in rotation of a toothed wheel 16 likely to come engaged with a conjugate toothed wheel 17 carried by the fixed part of the chassis and forming the last wheel of a motor assembly not shown which, in known manner, is ordered in synchronization with printing.
  • the extreme generator of the capstan roller 15 describes the arc 18 which interferes with the end of the print head 2.
  • the arrows F and O respectively indicate the closing and opening directions of the cover by pivoting about its hinge axis. 2 has its end (the end of the heater 6) is profiled so that when the lid is closed, the capstan 15, rollable end, pivots the head around the axis 7, against the 'spring force 9.
  • This profiled surface can be an inclined or rounded surface, the effect of which is to clear the print head to the left when the roller 15 passes, when the cover 13 is closed.
  • the closed position of the cover is reached when the axis 15 a of the capstan 15 has reached the bottom of a slot 19 in the fixed part of the chassis 1, the wheel 16 meshing with the wheel 17.
  • the line of heating points 4 is located above of line 14, that is to say above the diameter of the capstan which passes through the hinge pin of the cover behind this line in the closing direction F.
  • the print head 2 thereby forms a sort of lock for retaining the closed cover.
  • the device according to the invention further comprises a paper cutting member from the print head.
  • This cutting member is constituted, in known manner, by a rotating blade 20 cooperating with a stationary blade 21.
  • the rotating blade is carried by the fixed part 1 of the frame, above of the print head 2.
  • the stationary blade 21 is secured to a support 22 articulated at 23 on the cover 13 of the frame.
  • This support is subjected to the effect of a spring 24 tending to rotate it around the axis 23 in the direction counterclockwise, towards a stop not shown, which retains the support 22 in a position determined while the cover 13 is open.
  • the closure of the cover carries the support 22 in contact with the support of the rotating blade 20, so that the wire of the stationary blade 21 crosses the wire of the rotating blade 20, and this under pressure created by the spring 24.
  • the movable blade 20 is coupled in rotation to a motor carried by the fixed part 1 of the frame. This training is not shown.
  • the blades used can be ceramic.
  • a shock between the two blades must be avoided when the cover is closed.
  • the blade 21 (or its support) forms a surface 25 for deflecting the path of the paper 26 from the roll 12 beyond the printer.
  • This surface 25 makes an obtuse angle with the tangent to the capstan passing through the line of points, the value of this angle being about 135 °.
  • This arrangement is advantageous because it bends the paper before it passes through the cutter, this curve giving it a certain "nervousness" which improves the action of the movable blade 20 during cutting and tends, after cutting, to keep the paper engaged between the two blades apart.

Landscapes

  • Electronic Switches (AREA)
  • Handling Of Sheets (AREA)
  • Accessory Devices And Overall Control Thereof (AREA)
  • Heat Sensitive Colour Forming Recording (AREA)

Claims (3)

  1. Thermodruckvorrichtung zum Bedrucken von Papier (26), die in einem Rahmen einen Thermodruckkopf (2) mit einer Reihe (4) von Heizpunkten und eine Papiertransportrolle (15) enthält, wobei der Rahmen ein den Kopf (2) tragendes feststehendes Teil (1) und einen die Rolle (15) tragenden Deckel (13) hat, der an dem feststehenden Teil zwischen einer Position, in der der Kopf (2) und die Rolle (15) voneinander beabstandet sind, und einer Position schwenkbar gelagert ist, in der der Kopf (2) an der Rolle (15) anliegt, während am feststehenden Rahmenteil (1) in Papiervorschubrichtung gesehen stromabwärts des Druckkopfes (2) die bewegliche Klinge (20) einer Papierschneideeinrichtung angeordnet ist, deren unbewegliche Klinge (21) am Deckel (13) angeordnet ist, dadurch gekennzeichnet, daß der Kontaktbereich der Heizpunktreihe (4) des Druckkopfes (2) mit der Rolle (15) zum Transportieren des Papiers (26) in Schließrichtung des Deckels (13) betrachtet hinter der Ebene liegt, die den durch die Schwenkachse des Deckels (13) an dem feststehenden Rahmenteil verlaufenden Durchmesser (14) der Rolle enthält, um einen elastischen Riegel für das Festhalten des geschlossenen Deckels zu bilden.
  2. Vorrichtung nach Anspruch 1, dadurch gekennzeichnet, daß der Teil (2a) des Druckkopfes (2), der vor der Heizpunktreihe (4) liegt, derart profiliert ist, daß er eine Oberfläche hat, die eine Nocke bildet, durch die der Kopf (2) entgegen der Wirkung eines elastischen Elementes (9) ausgelenkt wird, wenn die Auflagrolle (15) ihn in Schließrichtung des Deckels passiert.
  3. Vorrichtung nach Anspruch 1, dadurch gekennzeichnet, daß die unbewegliche Klinge (21) an einem Träger (22) angeordnet ist, der mit dem Deckel (13) elastisch verbunden ist, und daß der Träger (22) der unbeweglichen Klinge in Papiervorschubrichtung gesehen stromaufwärts der Schneidkante eine Ablenkfläche (25) zum Umlenken des Papieres (26) hat, die mit der am Ort der Heizpunktreihe (4) an die Transportrolle (15) angelegten Tangente einen stumpfen Winkel einschließt.
EP93924680A 1992-11-06 1993-11-05 Aufklappbare vorrichtung für einen thermo-drucker Expired - Lifetime EP0655031B2 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
FR9213390 1992-11-06
FR9213390A FR2697776B1 (fr) 1992-11-06 1992-11-06 Dispositif d'impression thermique ouvrant.
PCT/FR1993/001094 WO1994011197A1 (fr) 1992-11-06 1993-11-05 Dispositif ouvrant d'impression thermique

Publications (3)

Publication Number Publication Date
EP0655031A1 EP0655031A1 (de) 1995-05-31
EP0655031B1 EP0655031B1 (de) 1996-08-14
EP0655031B2 true EP0655031B2 (de) 2000-04-12

Family

ID=9435305

Family Applications (1)

Application Number Title Priority Date Filing Date
EP93924680A Expired - Lifetime EP0655031B2 (de) 1992-11-06 1993-11-05 Aufklappbare vorrichtung für einen thermo-drucker

Country Status (7)

Country Link
US (1) US5579043A (de)
EP (1) EP0655031B2 (de)
JP (1) JP3096702B2 (de)
AT (1) ATE141219T1 (de)
DE (1) DE69304073T2 (de)
FR (1) FR2697776B1 (de)
WO (1) WO1994011197A1 (de)

Families Citing this family (35)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2723548B1 (fr) * 1994-08-12 1996-10-18 Axiohm Dispositif d'impression d'un support en bande issu d'un rouleau
FR2708521B1 (fr) * 1994-10-05 1996-08-23 Axiohm Dispositif ouvrant d'impression thermique.
FR2737153B1 (fr) * 1995-07-28 1999-01-29 Investix Sa Mecanisme d'impression thermique evolutif
US6118469A (en) * 1995-11-21 2000-09-12 Seiko Epson Corporation Thermal printer
KR100234589B1 (ko) * 1995-11-21 1999-12-15 야스카와 히데아키 절단장치를 구비한 프린터
CA2269061A1 (en) * 1996-10-18 1998-04-30 Axiohm Transaction Solutions, Inc. Printing apparatus
FR2763887B1 (fr) * 1997-05-30 1999-08-13 Ascom Monetel Sa Imprimante thermique a remplacement aise de papier d'impression
US6155731A (en) * 1997-10-17 2000-12-05 Axiohm Transaction Solutions, Inc. Printing apparatus with cover actuated drive source
US6004053A (en) * 1998-09-11 1999-12-21 Comtec Informationsystems, Inc. Printer apparatus
US6364550B1 (en) 1998-09-11 2002-04-02 Zih Corp. Printer weighing less than two pounds with card reader and encoder
JP3614314B2 (ja) 1999-03-25 2005-01-26 セイコーエプソン株式会社 プリンタ
JP3599595B2 (ja) * 1999-05-10 2004-12-08 セイコーインスツル株式会社 サーマルプリンタ
US6234696B1 (en) 1999-12-03 2001-05-22 Transact Technologies, Inc. Automatic paper loader for a printer
US6443645B1 (en) * 2000-03-30 2002-09-03 Seiko Epson Corporation Printer with cutter blades for printing on rolled paper and slipsheet
JP4675469B2 (ja) * 2000-08-08 2011-04-20 富士通コンポーネント株式会社 サーマルプリンタユニット及びサーマルプリンタ装置
KR100389171B1 (ko) * 2001-02-19 2003-06-27 주식회사 모디아 휴대용 감열식 프린터
KR100382082B1 (ko) * 2001-02-26 2003-05-09 주식회사 모디아 휴대용 라벨분리형 감열식 프린터
ATE317334T1 (de) * 2001-05-22 2006-02-15 Custom Engineering Spa Schliessmechanismus für thermodrucker
DE60211596T2 (de) 2001-06-25 2006-12-21 Seiko Epson Corp. Drucker
FR2829964B1 (fr) * 2001-09-21 2003-12-05 Axiohm Dispositif d'impression thermique ouvrant et verrouillable
JP3910465B2 (ja) * 2002-02-22 2007-04-25 セイコーインスツル株式会社 サーマルプリンタ
JP2003312072A (ja) * 2002-04-23 2003-11-06 Fujitsu Component Ltd プリンタ
JP2004114640A (ja) 2002-09-30 2004-04-15 Fujitsu Ltd サーマルプリンタおよび携帯端末装置
JP4068502B2 (ja) * 2003-05-23 2008-03-26 セイコーインスツル株式会社 サーマルプリンタ
US7273325B2 (en) * 2003-08-12 2007-09-25 Fujitsu Component Limited Thermal printer and cutter
JP2008100381A (ja) * 2006-10-17 2008-05-01 Seiko Instruments Inc サーマルプリンタ
JP2008179087A (ja) 2007-01-25 2008-08-07 Seiko Instruments Inc プラテン保持機構および記録ユニット
JP4827035B2 (ja) 2007-01-25 2011-11-30 セイコーインスツル株式会社 プラテン保持機構および記録装置
JP5001057B2 (ja) * 2007-04-23 2012-08-15 富士通コンポーネント株式会社 プリンタ装置
JP4803158B2 (ja) * 2007-10-26 2011-10-26 セイコーエプソン株式会社 カッタ装置及びそれを用いたプリンタ
JP2010064310A (ja) * 2008-09-09 2010-03-25 Toshiba Tec Corp 印刷装置
CN102211464B (zh) * 2010-04-09 2013-07-10 北京思普瑞特科技发展有限公司 一种微型打印机
EP2765005B1 (de) * 2011-10-07 2017-12-06 Fujitsu Component Limited Druckergerät
JP6262429B2 (ja) * 2012-12-27 2018-01-17 セイコーインスツル株式会社 プリンタ
EP3015272B1 (de) * 2014-10-31 2019-06-26 APS Trading OOD Thermodruckermodul

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JPS63148664U (de) † 1987-03-23 1988-09-30
JPH0331554U (de) † 1989-07-31 1991-03-27

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US4297039A (en) * 1978-12-29 1981-10-27 Autotote, Ltd. Thermal printer
JPH0643224B2 (ja) * 1984-06-20 1994-06-08 株式会社東芝 記録装置
US5044801A (en) * 1988-12-15 1991-09-03 Tokyo Electric Co., Ltd. Printing apparatus
US5198836A (en) * 1989-12-11 1993-03-30 Seiko Instruments Inc. Compact line thermal printer
JPH0464471A (ja) * 1990-07-03 1992-02-28 Iwatsu Electric Co Ltd 画像記録装置
IE67875B1 (en) * 1990-11-08 1996-05-01 Balmaha Ltd A printer
JP4120051B2 (ja) * 1998-07-31 2008-07-16 株式会社日立国際電気 高周波共振装置

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Publication number Priority date Publication date Assignee Title
JPS5730066Y2 (de) † 1978-02-17 1982-07-01
JPS63148664U (de) † 1987-03-23 1988-09-30
JPH0331554U (de) † 1989-07-31 1991-03-27

Also Published As

Publication number Publication date
EP0655031B1 (de) 1996-08-14
FR2697776B1 (fr) 1995-03-03
DE69304073T2 (de) 1997-03-06
JPH08505576A (ja) 1996-06-18
FR2697776A1 (fr) 1994-05-13
US5579043A (en) 1996-11-26
WO1994011197A1 (fr) 1994-05-26
EP0655031A1 (de) 1995-05-31
DE69304073D1 (de) 1996-09-19
ATE141219T1 (de) 1996-08-15
JP3096702B2 (ja) 2000-10-10

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