EP2193922A1 - Cartouche d'encre pour imprimante à jet d'encre - Google Patents

Cartouche d'encre pour imprimante à jet d'encre Download PDF

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Publication number
EP2193922A1
EP2193922A1 EP08170670A EP08170670A EP2193922A1 EP 2193922 A1 EP2193922 A1 EP 2193922A1 EP 08170670 A EP08170670 A EP 08170670A EP 08170670 A EP08170670 A EP 08170670A EP 2193922 A1 EP2193922 A1 EP 2193922A1
Authority
EP
European Patent Office
Prior art keywords
cartridge
ink
light beam
light
prism
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Withdrawn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
EP08170670A
Other languages
German (de)
English (en)
Inventor
Daniel Sulser
Roland Steiner
Lucio Bianco
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.)
Pelikan Hardcopy Production AG
Original Assignee
Pelikan Hardcopy Production AG
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 Pelikan Hardcopy Production AG filed Critical Pelikan Hardcopy Production AG
Priority to EP08170670A priority Critical patent/EP2193922A1/fr
Priority to PCT/EP2009/062530 priority patent/WO2010063502A1/fr
Priority to EP09783488A priority patent/EP2352648A1/fr
Publication of EP2193922A1 publication Critical patent/EP2193922A1/fr
Withdrawn legal-status Critical Current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
    • B41J2/00—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed
    • B41J2/005—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed characterised by bringing liquid or particles selectively into contact with a printing material
    • B41J2/01—Ink jet
    • B41J2/17—Ink jet characterised by ink handling
    • B41J2/175—Ink supply systems ; Circuit parts therefor
    • B41J2/17566—Ink level or ink residue control
    • 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
    • B41J2/005—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed characterised by bringing liquid or particles selectively into contact with a printing material
    • B41J2/01—Ink jet
    • B41J2/17—Ink jet characterised by ink handling
    • B41J2/175—Ink supply systems ; Circuit parts therefor
    • B41J2/17566—Ink level or ink residue control
    • B41J2002/17573—Ink level or ink residue control using optical means for ink level indication
    • 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
    • B41J2/005—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed characterised by bringing liquid or particles selectively into contact with a printing material
    • B41J2/01—Ink jet
    • B41J2/17—Ink jet characterised by ink handling
    • B41J2/175—Ink supply systems ; Circuit parts therefor
    • B41J2/17566—Ink level or ink residue control
    • B41J2002/17576—Ink level or ink residue control using a floater for ink level indication

Definitions

  • the present invention relates to an ink cartridge for ink jet printers or the like. Recording apparatus according to the preamble of claim 1.
  • printers have means which determine what the level of the ink cartridge is, in particular determine whether the ink cartridge is empty or will soon be empty, in order then to prevent further printing. It is indicated that a cartridge exchange is required.
  • the ink cartridge has a level indicator which comprises an opaque or alternatively light-reflecting lug, the lug being connected to a float arranged inside the ink cartridge or the housing thereof, such that the lug is either in or out of the range with decreasing level in the printer arranged light barrier is movable.
  • the flag may be arranged on a rotatably mounted float device. If a predetermined level is reached, the light barrier is released, ie, the light beam passes unhindered from the light transmitting part through the cartridge to the light receiver part. This triggers a predetermined procedure indicating that cartridge replacement is required.
  • the level detection means comprise a first arranged outside the cartridge and the light emitting part facing light beam deflection surface, within the cartridge depending on the fill level by ink wettable or ent Missionbares deflection prism, and a second arranged outside the cartridge and the light receiver part facing light beam -Umlenk Chemistry.
  • the filling level falls below the deflecting prism, it is dehusked and the light beam entering the deflecting prism is deflected via a total reflection, so that it emerges again from the deflecting prism.
  • the exiting light beam is then directed through the second light beam deflection surface into the light receiver part. Then again, the signal already mentioned that the cartridge is empty and must be replaced.
  • first and second light beam deflection surface must each be provided with a separate light-reflecting surface.
  • the corresponding surfaces are provided in the prior art with high-gloss aluminum foils.
  • the effort for the production of the first and second light beam deflection surfaces is correspondingly large. Also, these deflection can be easily damaged by improper treatment and thus made unusable.
  • the present invention is therefore based on the object to improve the latter version of an ink cartridge to the effect that the level detection means, in particular light beam deflection means can be made easier with the result that the ink cartridge is generally easier and cheaper to manufacture.
  • the first and second light beam deflection surfaces are an integral part of the cartridge.
  • the corresponding triangular prisms are produced together with the cartridge or the cartridge housing as an injection molded part.
  • the light beam deflection surfaces are within the triangle prisms, so no longer on the outside, so that separate light-reflecting measures are unnecessary.
  • the first and second triangular prisms are each positioned so that the sides of the catheter each extend perpendicular to the incident and outgoing light beam and the light beam deflection takes place on the hypotenuse side.
  • the triangular prisms in cross-section each define an isosceles right-angled triangle where the adjacent and opposite cathets are the same length.
  • the two triangular prisms can be arranged either at the same or different height above the deflecting prism disposed within the cartridge.
  • an ink outlet is formed on the front side of the cartridge near the bottom thereof.
  • the level detection means are then arranged above the same.
  • an extension of the ink receiving space projecting forward over the front of the cartridge is formed, the upper side of which comprises the deflecting prism so that the tip opposite the hypotenuse side is directed into the extension.
  • the cross-section of this deflecting prism also preferably defines an isosceles right-angled triangle.
  • the emitted light beam from the light emitting part of the light beam is deflected via the first triangular prism with the aid of total reflection on the deflection prism arranged underneath, which is in sufficiently full ink cartridge in contact with the ink.
  • the light beam is then absorbed in the ink.
  • the second triangular prism which is assigned to the light receiver part.
  • the light beam is then diverted to the light receiver part via this second triangular prism. This triggers a signal indicating that the ink cartridge is largely empty and needs to be replaced.
  • the arranged within the ink cartridge deflecting prism is wetted with ink, the light beam is not deflected there, but only deflected into the ink and absorbed there. If the filling level drops so far that the deflecting prism is dewaxed, the light beam is deflected via the total reflection then taking place there to form the second triangular prism.
  • both the known float device and the separate reflective surfaces which must be created by appropriate measures, either by the application of light-reflecting films or the vapor deposition of a light-reflecting layer omitted.
  • Fig. 1 illustrated ink cartridge is indicated by the reference numeral 10.
  • This has a flat parallelepiped shape with an in mounting direction front or front 11, top 12, bottom 13, back 14 and front and rear flat side 15 and 16.
  • On the front side 11 is near the bottom 13 an ink outlet 17 and near the top 12th an air inlet 18 is formed.
  • Ink outlet and air inlet are on the front side 11 before. Since these are design features known per se, a more detailed description is unnecessary at this point. Ink outlet and air inlet are associated with corresponding printer side ports.
  • the mounting direction is in Fig. 1 marked with the arrow 19.
  • first light beam deflection surface which is arranged outside the cartridge 10 and faces a light transmitting part, not shown here, in the form of a first Triangular prisms 20, a within the cartridge 10 depending on the level by ink or entsobenbares Umlenkprisma 21 and a second disposed outside the cartridge 10 and a not shown here Lichtempfteil facing light beam deflection within a second triangular prism 22.
  • the two triangle prisms 20, 22nd are each positioned so that the Kathetencount 23, 24 and 25, 26 (see FIGS.
  • FIGS. 2 and 3 each extend perpendicular to the incident light beam 28 and the outgoing light beam 29, and that the light beam deflection takes place on the hypotenuse side 30.
  • FIGS. 2 and 3 are light emitting part with the reference numeral 31 and light receiver part indicated by the reference numeral 32. As already mentioned, these two parts are designed on the printer side.
  • the first and second triangular prisms 20, 22 are arranged at the same height above the deflecting prism 21 arranged inside the cartridge 10.
  • the two triangular prisms 20, 22 and also arranged within the cartridge 10 deflecting prism 21 are further integral to each of the cartridge 10 and the cartridge housing. They are thus integrally connected to the cartridge housing and preferably made as an injection molded part.
  • the prisms could also be designed as separate insert components.
  • Fig. 2 the beam path of the light emitted by the light emitting part 31 light beam at sufficiently high level of the ink cartridge 10 is shown.
  • the light beam 28 is deflected within the first triangular prism on the Hypotenusenseite 30 down.
  • the deflection prism 21 is wetted with ink. As a result, there is no further deflection of the light beam. This is instead deflected into the ink 27 and absorbed by it.
  • the printer-side light receiver part receives no signal. This indicates that the ink cartridge is still full. Only when the level drops so far that the Umlenkprisma 21 is de-meshed, there is a total reflection accordingly Fig. 3 such that the light beam is deflected to the second triangular prism 22. There, the light beam undergoes a further deflection towards the printer-side light receiver part 32. There, too, a total reflection takes place, namely within the second triangular prism 22 on its hypotenuse side. The printer then receives a light signal, which is a Interruption of the printing process and an indicator triggers that the ink cartridge must be replaced by a new one.
  • a guide web 35 is formed, which is narrower than the top or the distance between the front and rear flat side 15, 16. Furthermore, the upper guide web extends 35 not over the entire length of the ink cartridge or top 12. The front 11 facing the end of the upper guide bar 35 is tapered towards the top 12 and formed like a ramp.
  • a guide web 36 is formed, whose width is smaller than the distance between the front and rear flat side 15, 16. This guide web starts at the front side 11 and extends over about half the length of the ink cartridge 10. This is followed by a Recess 37, which extends to a rear side 14 extending projection 38 back. Immediately before the projection 38, the recess 37 is additionally recessed. This additional recess is identified by the reference numeral 39.
  • the projection 38 and the recess 39 serve to engage a printer side arranged pivot lever, by means of which the ink cartridge can be pulled out of the mounting position, and indeed until they are easily gripped between two fingers and completely pulled out of the printer or from the corresponding receptacle can be.

Landscapes

  • Ink Jet (AREA)
EP08170670A 2008-12-04 2008-12-04 Cartouche d'encre pour imprimante à jet d'encre Withdrawn EP2193922A1 (fr)

Priority Applications (3)

Application Number Priority Date Filing Date Title
EP08170670A EP2193922A1 (fr) 2008-12-04 2008-12-04 Cartouche d'encre pour imprimante à jet d'encre
PCT/EP2009/062530 WO2010063502A1 (fr) 2008-12-04 2009-09-28 Cartouche d'encre pour imprimante à jet d'encre
EP09783488A EP2352648A1 (fr) 2008-12-04 2009-09-28 Cartouche d'encre pour imprimante à jet d'encre

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP08170670A EP2193922A1 (fr) 2008-12-04 2008-12-04 Cartouche d'encre pour imprimante à jet d'encre

Publications (1)

Publication Number Publication Date
EP2193922A1 true EP2193922A1 (fr) 2010-06-09

Family

ID=40547821

Family Applications (2)

Application Number Title Priority Date Filing Date
EP08170670A Withdrawn EP2193922A1 (fr) 2008-12-04 2008-12-04 Cartouche d'encre pour imprimante à jet d'encre
EP09783488A Withdrawn EP2352648A1 (fr) 2008-12-04 2009-09-28 Cartouche d'encre pour imprimante à jet d'encre

Family Applications After (1)

Application Number Title Priority Date Filing Date
EP09783488A Withdrawn EP2352648A1 (fr) 2008-12-04 2009-09-28 Cartouche d'encre pour imprimante à jet d'encre

Country Status (2)

Country Link
EP (2) EP2193922A1 (fr)
WO (1) WO2010063502A1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2468511A1 (fr) * 2010-12-27 2012-06-27 Brother Kogyo Kabushiki Kaisha Cartouche d'encre et dispositif d'alimentation d'encre
CN103448371A (zh) * 2012-05-31 2013-12-18 精工爱普生株式会社 墨水再填充方法、墨盒、及墨盒的制造方法

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20050236590A1 (en) * 2004-04-21 2005-10-27 Hitotoshi Kimura Content detecting apparatus, container and ink-jet printer
JP2006007446A (ja) * 2004-06-22 2006-01-12 Konica Minolta Holdings Inc インクジェット記録装置及び吐出不良ノズルの検出方法
WO2006043718A1 (fr) * 2004-10-20 2006-04-27 Canon Kabushiki Kaisha Receptacle de stockage de liquide et appareil d’impression a jet d’encre
DE202007010565U1 (de) * 2006-12-12 2007-10-04 Pelikan Hardcopy Production Ag Tintenpatrone für Tintenstrahldrucker

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2001253090A (ja) * 2000-03-08 2001-09-18 Sharp Corp インクジェットプリンタのインク残量検出装置
US7350909B2 (en) * 2004-03-04 2008-04-01 Brother Kogyo Kabushiki Kaisha Ink cartridge and inkjet printer
CN201143794Y (zh) * 2007-12-10 2008-11-05 珠海纳思达电子科技有限公司 一种喷墨打印机的墨盒

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20050236590A1 (en) * 2004-04-21 2005-10-27 Hitotoshi Kimura Content detecting apparatus, container and ink-jet printer
JP2006007446A (ja) * 2004-06-22 2006-01-12 Konica Minolta Holdings Inc インクジェット記録装置及び吐出不良ノズルの検出方法
WO2006043718A1 (fr) * 2004-10-20 2006-04-27 Canon Kabushiki Kaisha Receptacle de stockage de liquide et appareil d’impression a jet d’encre
DE202007010565U1 (de) * 2006-12-12 2007-10-04 Pelikan Hardcopy Production Ag Tintenpatrone für Tintenstrahldrucker
DE102007001084A1 (de) 2006-12-12 2008-06-19 Pelikan Hardcopy Production Ag Tintenpatrone für Tintenstrahldrucker

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2468511A1 (fr) * 2010-12-27 2012-06-27 Brother Kogyo Kabushiki Kaisha Cartouche d'encre et dispositif d'alimentation d'encre
CN102555498A (zh) * 2010-12-27 2012-07-11 兄弟工业株式会社 墨盒和供墨装置
EP2561989A1 (fr) * 2010-12-27 2013-02-27 Brother Kogyo Kabushiki Kaisha Dispositif d'alimentation d'encre
US8657425B2 (en) 2010-12-27 2014-02-25 Brother Kogyo Kabushiki Kaisha Ink cartridge and ink supply device
CN102555498B (zh) * 2010-12-27 2014-09-24 兄弟工业株式会社 墨盒和供墨装置
CN103448371A (zh) * 2012-05-31 2013-12-18 精工爱普生株式会社 墨水再填充方法、墨盒、及墨盒的制造方法
CN103448371B (zh) * 2012-05-31 2016-04-20 精工爱普生株式会社 墨水再填充方法、墨盒、及墨盒的制造方法

Also Published As

Publication number Publication date
EP2352648A1 (fr) 2011-08-10
WO2010063502A1 (fr) 2010-06-10

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