EP1295727A1 - Thermische Druckvorrichtung zum Öffnen und Verriegeln - Google Patents

Thermische Druckvorrichtung zum Öffnen und Verriegeln Download PDF

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Publication number
EP1295727A1
EP1295727A1 EP02292082A EP02292082A EP1295727A1 EP 1295727 A1 EP1295727 A1 EP 1295727A1 EP 02292082 A EP02292082 A EP 02292082A EP 02292082 A EP02292082 A EP 02292082A EP 1295727 A1 EP1295727 A1 EP 1295727A1
Authority
EP
European Patent Office
Prior art keywords
roller
hook
axis
line
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.)
Granted
Application number
EP02292082A
Other languages
English (en)
French (fr)
Other versions
EP1295727B1 (de
Inventor
Michel Louis
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
Application filed by Axiohm SA filed Critical Axiohm SA
Publication of EP1295727A1 publication Critical patent/EP1295727A1/de
Application granted granted Critical
Publication of EP1295727B1 publication Critical patent/EP1295727B1/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
    • 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
    • B41J11/20—Platen adjustments for varying the strength of impression, for a varying number of papers, for wear or for alignment, or for print gap adjustment
    • 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
    • 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

  • printing devices are generally used thermal of sections of a paper tape including one face is sensitive to heat.
  • Each printed section forming a label or receipt is taken from a blank roll of paper which is usually housed in a compartment of the device. Access to this compartment for loading the roll is made through an opening closed by a movable wall which carries a part of the printer, most often the roller support (and training) paper under the head printing, so that the loading and in particular the placing the roll leader in the printer finds ease.
  • a print head in the form of a plate of ceramic with a line of heating points
  • a spring tending to create a return torque for the insert around its pivot axis in the direction of the backing roller (sometimes called capstan).
  • the remedy for this drawback is provided by present invention in that it ensures so simple and inexpensive better relative position between the capstan and the print head when of printing, and thus improve the quality of this along the line of heating points.
  • the invention therefore relates to a device thermal printing with a fixed frame with a print head provided with a line of dots heated and a chassis movable relative to the chassis fixed, carrying by the ends of an axis a roll of support of the paper tape between a first position in which the roller is in contact by one of its generators with the line of heating points of the head and a second position in which the roller and the head are distant from each other.
  • the print head is fixed on the chassis fixed and the device includes a holding mechanism applying the roller against the line of dots heated, in the first relative position of the chassis, including a hook for receiving each end of the roller axis, slidably mounted on the chassis fixed in a direction perpendicular to the line of heating points and subject to the effect of an elastic member callback directed to the print head.
  • each end of the axis of the roller is carried by the mobile chassis in a light substantially parallel to the direction of sliding of the hook when the movable chassis is in its first position aforesaid.
  • the print head comprises a ceramic plate associated with a metal radiator
  • the fixed frame is formed by the radiator arranged as a spacer between two angled supports comprising each a sliding guide for a hook, substantially perpendicular to the radiator.
  • This simple construction allows for a minimum number of identical parts to cover all a range of differentiating printing devices by the width of the paper ribbon to be printed.
  • FIG. 1 In Figure 1 are shown the main constituents of a thermal printer according to the invention. It is first of all a chassis 1 equipped with a print head 2 and a pair of hooks 3 and 4.
  • the chassis 1 is intended to be fixed to a general frame 5 which is the structure to which a geared motor group 6 and an element 7 belonging to a device for cutting printed sections of paper.
  • the printer also includes a frame 8 which rotates a support roller 9 and drive the paper to be printed.
  • This roller is integral with an axis not visible in the figure and equipped at one of its ends, in known manner, with a toothed wheel 9 a for its drive by the geared motor group 6.
  • these equipments are intended for be integrated into a more complete structure that defines in particular a housing for a sensitive paper roll thermally, an outer casing to constitute, either a portable device intended for transactions by integrated circuit card, a means of delivery a receipt, a statement, an associated label for example at a payment terminal, a distributor of bank notes or any transaction.
  • This structure generally comprises a wall of closing the access to the roller compartment of printing paper, wall which is movable relative to to the rest of the structure and which carries the chassis 8 henceforth called mobile chassis.
  • the rest of the structure integrates the frame 5 with the frame 1 which is therefore the frame fixed.
  • the arrow A in the drawing of Figure 1 represents the possible route of removal and reconciliation of two chassis, the wall carrying the chassis 8 being by example a hinged cover on the rest of the structure around an axis not shown parallel to the head 2.
  • the chassis 1 is constituted by the metal radiator 20 of the print head 2 on which is, in known manner, reported a plate of ceramic 21 fitted with a line of heating points 22 and electrical conductors and electronic components and by two brackets 10 and 11 fixed to this radiator 20 by appropriate means 12 and 13 (welding, screw).
  • Each bracket 10, 11 has a tab 10 a , 11 a for fixing it to the back of the radiator 20 and a cross member 10 b , 11 b perpendicular to the radiator and separated from the corresponding end of the latter by a space in which is housed the hook 3, 4 corresponding.
  • Each hook as shown in FIGS. 2 and 3, is formed by a cut plate 30, 40, of thickness substantially equal to the above-mentioned space and comprising, behind the radiator 20 and overhanging the latter, a housing 31, 41 Between the bottom of the housing and open on the side of the radiator, a spring 33, 43 is housed, the effect of which tends to recall each hook towards the rear of the radiator.
  • Each plate 30, 40 has a slot 34, 44 into which a finger 23, 24 secured to the radiator 20 at its end faces each cross member 10b , 11b .
  • the fingers and lights limit the sliding of the hooks.
  • Their guidance along the crossbars 10b , 11b of the brackets is produced by flanges 14, 15 forming slides.
  • each plate 30, 40 located at the front of the print head 2 is cut to shape hook with an opening 35, 45 defining one end free or spout 36, 46 (see figure 3 for the hook 4).
  • An outer surface 47 of the spout 46 and inclined relative to the sliding direction of the hook forms an input cam for a bearing 90 surrounding the end 91 of the capstan axis 9.
  • An interior surface 48 of the hook is also inclined relative to the direction sliding the hook but the other way around (it is of course the same for hook 3).
  • chassis 8 carries the capstan 9 by partitions 81 between which, to the right of the hooks 3 and 4, axis 91 with its bearings 90 is uncovered and can cooperate with hooks 3 and 4 to penetrate in the openings 35, 45.
  • the partitions 80 retain axis 91 in lights 81 whose dimension the longest is substantially perpendicular to the head 2 when the capstan 9 is in contact with the line of heating points.
  • each hook is recalled against the head 2 for each spring 33, 43 which has for effect on the one hand, to retain the bearing 90 at the bottom of opening 45 and thus oppose (at least up to one certain degree) to a movement of the capstan in the direction of the opening of the cover (opposite arrow A in figure 3) and on the other hand, to apply the capstan against the head 2 and more precisely against the line of points 22.
  • Each hook being independent, its action the corresponding end of axis 91 allows an application balanced capstan on the point line which can take into account and correct a fault the print head position.
  • the bearings 90 at the end of the shaft 91 opposite the hooks 3, 4 have the advantage of opposing practically no rolling resistance of capstan 2 on paper covering the head 2 when the cover is closed and during printer operation.
  • the effort to develop to separate the chassis 8 of the chassis 1 depends on the shape of the opening 45 at the level of beak 46. If this shape is shallow we can carry out this separation by lifting the cover, the hook return force can be overcome by the lifting effort. However in an opening deep notch, locking is positive and you have to operate hooks 3 and 4 to release axis 91.
  • a pusher can be provided for this purpose and in manual operation of the hooks to move them away from the print head, surfaces such as 48 of the Figure 3 push the bearings 90 beyond the spout 46 and help unlock the cover. The pusher will be provided to act on the two hooks at the same time without however constitute a connection of these hooks so to preserve their individual action on the capstan.
  • the axis 91 of the roller 9 is carried in chassis bearings 8.
  • the movable frame 8 is carried by a cover articulated to a structure that incorporates the fixed chassis 1, there is provision for play in this articulation whose axis is substantially parallel to the line of heating points.

Landscapes

  • Electronic Switches (AREA)
  • Common Mechanisms (AREA)
  • Accessory Devices And Overall Control Thereof (AREA)
  • Handling Of Sheets (AREA)
EP02292082A 2001-09-21 2002-08-22 Thermische Druckvorrichtung zum Öffnen und Verriegeln Expired - Lifetime EP1295727B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR0112200 2001-09-21
FR0112200A FR2829964B1 (fr) 2001-09-21 2001-09-21 Dispositif d'impression thermique ouvrant et verrouillable

Publications (2)

Publication Number Publication Date
EP1295727A1 true EP1295727A1 (de) 2003-03-26
EP1295727B1 EP1295727B1 (de) 2006-08-02

Family

ID=8867502

Family Applications (1)

Application Number Title Priority Date Filing Date
EP02292082A Expired - Lifetime EP1295727B1 (de) 2001-09-21 2002-08-22 Thermische Druckvorrichtung zum Öffnen und Verriegeln

Country Status (5)

Country Link
US (1) US6567113B2 (de)
EP (1) EP1295727B1 (de)
JP (1) JP2003136768A (de)
DE (1) DE60213533T2 (de)
FR (1) FR2829964B1 (de)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2305478A1 (de) * 2009-09-30 2011-04-06 Seiko Instruments Inc. Thermodrucker

Families Citing this family (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ATE317334T1 (de) * 2001-05-22 2006-02-15 Custom Engineering Spa Schliessmechanismus für thermodrucker
JP4350350B2 (ja) * 2002-09-27 2009-10-21 セイコーインスツル株式会社 サーマルプリンタ
JP4350942B2 (ja) * 2002-12-18 2009-10-28 富士通コンポーネント株式会社 サーマルプリンタ
US7125182B2 (en) * 2004-02-17 2006-10-24 Paxar Americas, Inc. Printer
US8033453B2 (en) * 2004-03-30 2011-10-11 Diebold Self-Service Systems, division of Diebold Incorporated ATMemo
FR2889555B1 (fr) * 2005-08-03 2007-10-05 Axiohm Soc Par Actions Simplif Dispositif de retenue deverouillable d'un doigt dans le fond d'une encoche
JP4273110B2 (ja) * 2005-09-14 2009-06-03 Ｎｅｃインフロンティア株式会社 フレームオープン機構およびサーマルプリンタ
JP5196719B2 (ja) * 2005-10-25 2013-05-15 富士通コンポーネント株式会社 サーマルプリンタ
JP4761465B2 (ja) * 2006-09-15 2011-08-31 セイコーインスツル株式会社 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
FR2915926B1 (fr) * 2007-05-09 2011-02-11 A P S Engineering Dispositif de montage d'un couvercle verrouillable monte mobile sur le chassis d'un mecanisme d'impression thermique
US20090148217A1 (en) * 2007-12-06 2009-06-11 Tsuyoshi Sanada Thermal printer
JP2010052278A (ja) * 2008-08-28 2010-03-11 Seiko Instruments Inc サーマルプリンタ
JP5481895B2 (ja) * 2009-03-24 2014-04-23 シンフォニアテクノロジー株式会社 感熱式印刷版プリンタ
JP5757768B2 (ja) * 2011-04-04 2015-07-29 富士通コンポーネント株式会社 プリンタ
US9335098B2 (en) * 2013-03-12 2016-05-10 Copper Core Limited V-shaped heat exchanger apparatus
CN104821029B (zh) * 2015-05-15 2017-08-22 温州捷亚电子科技有限公司 一种智能访客登记机
JP6874327B2 (ja) * 2016-10-28 2021-05-19 ブラザー工業株式会社 印刷装置
JP6769264B2 (ja) * 2016-11-28 2020-10-14 ブラザー工業株式会社 印刷装置

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5139351A (en) * 1987-10-22 1992-08-18 Ricoh Company, Ltd. Thermal recording apparatus having a movable platen roller
FR2737152A1 (fr) * 1995-07-28 1997-01-31 Investix Sa Dispositif d'impression thermique evolutif
EP0870620A2 (de) * 1997-04-09 1998-10-14 Riso Kagaku Corporation Thermisches Aufzeichnungsgerät mit einer Vorrichtung zur verbesserten Ausrichtung des Thermokopfes zur Schreibwalze

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2697776B1 (fr) * 1992-11-06 1995-03-03 Axiohm Dispositif d'impression thermique ouvrant.

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5139351A (en) * 1987-10-22 1992-08-18 Ricoh Company, Ltd. Thermal recording apparatus having a movable platen roller
FR2737152A1 (fr) * 1995-07-28 1997-01-31 Investix Sa Dispositif d'impression thermique evolutif
EP0870620A2 (de) * 1997-04-09 1998-10-14 Riso Kagaku Corporation Thermisches Aufzeichnungsgerät mit einer Vorrichtung zur verbesserten Ausrichtung des Thermokopfes zur Schreibwalze

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2305478A1 (de) * 2009-09-30 2011-04-06 Seiko Instruments Inc. Thermodrucker
US8610751B2 (en) 2009-09-30 2013-12-17 Seiko Instruments Inc. Thermal printer

Also Published As

Publication number Publication date
DE60213533T2 (de) 2007-04-12
US6567113B2 (en) 2003-05-20
FR2829964B1 (fr) 2003-12-05
JP2003136768A (ja) 2003-05-14
DE60213533D1 (de) 2006-09-14
FR2829964A1 (fr) 2003-03-28
EP1295727B1 (de) 2006-08-02
US20030058327A1 (en) 2003-03-27

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