EP2425973B1 - Cartouche d'encre et imprimante à jet d'encre pour la réception d'une telle cartouche - Google Patents

Cartouche d'encre et imprimante à jet d'encre pour la réception d'une telle cartouche Download PDF

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Publication number
EP2425973B1
EP2425973B1 EP20100177424 EP10177424A EP2425973B1 EP 2425973 B1 EP2425973 B1 EP 2425973B1 EP 20100177424 EP20100177424 EP 20100177424 EP 10177424 A EP10177424 A EP 10177424A EP 2425973 B1 EP2425973 B1 EP 2425973B1
Authority
EP
European Patent Office
Prior art keywords
ink cartridge
light
installation
light beam
ink
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.)
Not-in-force
Application number
EP20100177424
Other languages
German (de)
English (en)
Other versions
EP2425973A1 (fr
Inventor
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 EP20100177424 priority Critical patent/EP2425973B1/fr
Publication of EP2425973A1 publication Critical patent/EP2425973A1/fr
Application granted granted Critical
Publication of EP2425973B1 publication Critical patent/EP2425973B1/fr
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • B41J2/17503—Ink cartridges
    • B41J2/17543—Cartridge presence detection or type identification
    • B41J2/17546—Cartridge presence detection or type identification electronically
    • 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

Definitions

  • the present invention relates to an ink cartridge according to the preamble of claim 1 , as well as a printer, in particular ink jet printer for use of such an ink cartridge.
  • Ink jet printers with residual ink detection sensors are well known.
  • the waste ink detection sensors are typically optical sensors that receive a light emitter that emits light and a light receiver that receives light that has been emitted from the light emitter and that passes through the ink cartridge or through a transparent portion thereof, contain. It is in this regard, for example, on the JP 2-960614 B2 or US 2006/033789 A1 directed.
  • the removal or disassembly of an ink cartridge from the printer is not detected by the optical sensors. In particular, it is not determined whether or not the ink cartridge is inserted or mounted in the printer. This can result in printer malfunction.
  • EP 1 570 994 B1 proposed to provide an ink cartridge with a first level detection section thereof, and a second detection section for detecting the mounting or dismounting of the ink cartridge, both detection sections being provided by one and the same printer-side detector be detected, which comprises a light beam sensor and a light beam receiver.
  • both detection sections being provided by one and the same printer-side detector be detected, which comprises a light beam sensor and a light beam receiver.
  • the present invention has the object to develop a system which allows to clearly distinguish the mounting of a printer cartridge from the disassembly of the same, which is also an alternative to the construction according to the EP 2 272 674 A1 goes.
  • An essential aspect of the present invention is therefore that precautions are taken that allow any asymmetrical signal sequence during assembly and disassembly of an ink cartridge.
  • the assembly of an ink cartridge can be clearly distinguished from the disassembly of the same.
  • the simplest type of asymmetry is that, for example, when mounting an ink cartridge, a light beam interrupt signal is triggered, while no signal is generated during disassembly or removal of the ink cartridge from the printer or the associated cartridge receptacle.
  • the light beam detector preferred here could be replaced by an electromagnetically operating detector.
  • the signal interruption sections would have to be designed accordingly.
  • the present invention should not be limited to a light beam detector. This applies to all signal interruption sections or devices assigned to the ink cartridge.
  • the ink cartridge has a mount detecting device with a light beam interrupting element movably mounted relative to the ink cartridge.
  • the above-mentioned light beam interruption element is dragged by an effective during assembly or disassembly of the ink cartridge, also relative to the ink cartridge movably mounted driver, in particular in the form of a flat plunger od. Like. Mitragged, in each case delayed in time for movement of the driver or plunger.
  • the entrainment of the light beam interruption element takes place such that the associated light beam detector, usually level detector during assembly or disassembly of the ink cartridge each generates a different number of signals, in particular only one signal during assembly , but not when disassembling the ink cartridge.
  • the direction of movement of the light beam interruption element extends at a predetermined angle of between about 70 ° and about 120 ° to the mounting or demounting direction of the ink cartridge into or out of an associated cartridge receptacle.
  • the light beam interruption element is displaceably mounted approximately parallel to the front wall of the ink cartridge in the mounting direction. In this way it is avoided that mounting detection elements protrude beyond the front wall in the mounting direction of the ink cartridge.
  • the ink cartridge is thus substantially free of protruding parts and, accordingly, insensitive to mechanical damage caused by improper handling or by mistake.
  • there are no moving parts beyond their lateral boundary This applies both to the front wall and to all other boundary walls (side walls, bottom wall and top wall).
  • the first light beam interruption element is designed in the form of a displaceably mounted strip whose width is smaller than the width of the ink cartridge.
  • the ink cartridge according to the invention preferably also has a further or second light beam interruption element which is arranged on the upper side or wall in the mounted state, and to which a further printer-side light beam detector is assigned.
  • this light beam detector can also be replaced by an electromagnetically active detector or the like, provided the associated interruption element is designed accordingly.
  • the front wall in the mounting direction of the ink cartridge extends obliquely forwardly inclined in the direction from bottom to top. This is especially true for the upper half of the ink cartridge.
  • the lower half of the front wall could also extend approximately vertically to the bottom wall of the ink cartridge.
  • the second light beam interruption element preferably extends to the front in the mounting direction of the ink cartridge wall, so that this second light beam interrupting element when mounted the ink cartridge offset in time, in particular after the displaceably mounted first light beam interruption element is effective. This can produce a certain signal sequence for determining the type of ink cartridge.
  • this second light beam interruption element may extend over the entire length of the upper wall of the ink cartridge. It is also conceivable that the second light beam interrupting element starts offset inwardly at a distance from the front wall of the ink cartridge.
  • this second light beam interruption element has interruptions or windows or transparent sections which transmit a light beam.
  • a particular type of cartridge can be identified in a predetermined manner, by the signal sequence triggered inter alia by the second light beam interruption element during assembly of the ink cartridge.
  • the second light beam interruption element is formed by a rib standing upright on the upper wall of the ink cartridge, the side surfaces of which may preferably be inclined and longitudinally ribbed. In cross section, the second light beam interrupting element is then approximately trapezoidal or triangular in shape.
  • the driver in particular in the form of a flat plunger upon assembly of the ink cartridge against the action of an elastic member, in particular a compression spring in the ink cartridge or in a receiving chamber formed within the ink cartridge is movable.
  • an elastic member in particular a compression spring in the ink cartridge or in a receiving chamber formed within the ink cartridge is movable.
  • the associated first light beam interrupting element is entrained or entrained after a predetermined distance, over a second predetermined distance.
  • the trained in the form of a bar light beam interruption element interrupts the beam path between light beam sensor and light beam receiver, with the result that a corresponding "mounting" signal is triggered.
  • the light beam interruption element is preferably formed in the form of a light-impermeable strip displaceably mounted parallel to the front wall of the ink cartridge. It is also conceivable to produce the first light beam interrupting element from two, three or even more finger elements, of which only one or two are raised simultaneously or successively during assembly of the ink cartridge by the mentioned driver, thus providing a long, for example, during installation, while at Remove the ink cartridge to trigger one or two short signal interruptions.
  • the above-mentioned driver designed as a ram is mounted longitudinally displaceable in a concrete embodiment parallel to the mentioned bar, which serves as a light beam interruption element. Furthermore, this driver preferably has a projection which engages in a longitudinal groove of the strip or vice versa, wherein the length of the longitudinal groove defines the first path, while the light beam interruption element or the strip forming this is not taken along or entrained. The subsequent displacement path of the strip defines the second path, while the light beam interruption element formed as a bar during assembly of the ink cartridge moves through the beam path of the liquid level detector and generates the "assembly" signal already mentioned.
  • the level detecting means comprises a prismatic reflector and a housing outside or inside deflecting prism associated therewith, which comes in contact with ink as long as the level of the cartridge is still sufficient.
  • the prism surfaces of the reflector are between the light beam transmitter and the light beam receiver of the level detector.
  • the ink cartridge of the driver or plunger acted upon by a projection on the printer or on an ink cartridge receptacle, in particular by a part of the level detector in such a way that this first covers the first distance, and then the second distance, wherein in the second path, the strip-like light beam interruption element is taken by the plunger and moved out of the range of the level detector.
  • FIGS. 1 to 3 show an ink cartridge 9, namely a so-called "front-loader” cartridge, at whose in the mounting direction according to arrow 8 'in Fig. 1 front side of an ink outlet 18 with per se known ball check valve mechanism (s. Fig. 5b ) and an air inlet 19 formed above the same are arranged.
  • the front side or front wall of the ink cartridge 9 is indicated by the reference numeral 2.
  • a level detection device 6 (only in Fig. 4a-4d and in Fig. 1 indicated and in Fig. 1 hidden) formed.
  • This level detection device preferably comprises a multiple prismatic deflection, wherein the light beam, after entering via a preferably inclined entry surface, is guided to a plastic / ink or plastic / air interface of the ink chamber depending on the level of the plastic / ink or plastic / air interface, where it is either refracted into the ink or is reflected in the direction of the preferably also inclined exit surface when the cartridge is empty.
  • a multiple prismatic deflection wherein the light beam, after entering via a preferably inclined entry surface, is guided to a plastic / ink or plastic / air interface of the ink chamber depending on the level of the plastic / ink or plastic / air interface, where it is either refracted into the ink or is reflected in the direction of the preferably also inclined exit surface when the cartridge is empty.
  • the level detection device 6 comprises a flag-like light diaphragm coupled to a float, which is effective in the region of transparent wall sections on the two side walls of the ink cartridge 9 and depending on the level in or out of the space between the light-permeable wall sections. or is moved out.
  • This level detection device 6 is a printer-side arranged and a light emitter and light receiver comprehensive level detector 7 (see Fig. 3 ), so that when the ink cartridge 9 is mounted, the level thereof can be detected.
  • the level detector is fork-shaped, ie it comprises two spaced arms 17, wherein in one arm of the light emitter and in the other arm of the light receiver is located. Between these two arms, the above-described level detection device 6 is positioned in the mounted state.
  • the ink cartridge is limited by an upper wall 10, a bottom wall 20, two side walls 21, 22 and a rear wall 23rd
  • the front wall 2 extends in the illustrated embodiment in the direction from the bottom (bottom wall 20) upwards (upper wall 10) inclined obliquely forward, such as Fig. 1 can be seen very clearly.
  • the ink cartridge 9 on the front wall 2 still on a mounting-detection device 3, which in the present case also cooperates with the level detector 7, in such a way that the assembly and / or disassembly of the ink cartridge can be detected
  • the mounting detection device has a first light beam interrupting element 4 movably mounted relative to the ink cartridge 9, in particular relative to the mentioned level detection device 6, which is strip-like in the illustrated embodiment and which, during assembly and disassembly of the ink cartridge 9, is any, in particular asymmetric signal sequence allowed.
  • the direction of movement of the light beam interruption element 4 extends in one predetermined angle of about 90 ° to about 110 ° to the mounting direction 8 'of the ink cartridge in or out of an associated and not shown here cartridge receptacle.
  • the strip-like light beam interruption element 4 relative to the ink cartridge 9 in a direction extending approximately parallel to the front in the mounting direction 8 'of the ink cartridge 9 wall 2 slidably, as shown in the FIGS. 4a to 4d is recognizable.
  • a further or second light beam interrupting element 1 is formed, which is assigned to a further printer side arranged and a light emitter and light receiver comprehensive light beam detector (not shown here).
  • This second light beam interruption element is in the form of a rib extending upright or approximately parallel to the side walls 21, 22, which rib can also extend over the entire length of the ink cartridge or entire length of the upper wall 10 thereof. In cross section, the mentioned rib is approximately trapezoidal and ribbed on the side surfaces to hold ink spatter.
  • the above-described light beam interrupting element 1 is laterally protected by side wall extensions 24, 25.
  • both the top and bottom ear-like guide projections 26 are provided which cooperate with corresponding grooves of the cartridge holder during assembly or disassembly thereof.
  • the second light beam interrupting element 1 extends up to the front wall 2 in the mounting direction 8 'of the ink cartridge 9, this second light beam interrupting element 1 only after the displaceably mounted first light beam interrupting element 4 during assembly of the ink cartridge 9 should be effective.
  • the second signal interrupting element 1 before the first signal interrupting element 4 is effective. This depends, inter alia, on the position of the signal detector associated with the first signal interruption element in the printer or in the cartridge receptacle.
  • the second light beam interrupting element 1 is associated with a light beam detector, which may be formed in the same manner as the level detector 7.
  • the first light beam interrupting element 4 is od by a during assembly / disassembly of the ink cartridge 9 effective, also relative to this movably mounted driver, in particular in the form of a flat plunger 13 or the like. Mitgestlept, but each delayed in time to move the driver or plunger 13.
  • the entrainment of the light beam interruption element 4 takes place such that the associated light beam detector 7 during assembly and disassembly of the ink cartridge each generates a different number of signals (interrupt signals), in particular only a signal during assembly, but not disassembly ink cartridge.
  • the driver or plunger 13 is when mounting the ink cartridge 9 against the action of an elastic element, here in the form of a compression spring 5 (see Fig.
  • the longitudinal displaceability of the plunger 13 and the strip-like light beam interruption element 4 is in Fig. 3 indicated by the double arrows 28 and 29, respectively.
  • the flat or board-like plunger 13 is applied during assembly of the ink cartridge 9 in the printer or an associated cartridge receptacle by the facing side of the detector 7, specifically by the front ends of the arms 17 of the same and against the action of the compression spring 5 upwards into the interior of the ink cartridge 9 or a receiving space 27 formed within the same, by a first distance "X" (see FIG Fig. 3 ).
  • the plunger 13 has a projection 12 which dips into a facing longitudinal groove 15 of the light beam interrupting element 4.
  • Fig. 4a shows the starting position in the assembly of the ink cartridge 9 in the mounting direction 8 '.
  • the front end of one of the two arms 17 of the level detector 7 touches a front run-on slope 31 of the plunger 13.
  • the ram 13 associated with the projection 12 the strip-like light beam interruption element 4 and detects this to take up.
  • Fig. 4b There is still a signal interruption by the strip-like light beam interruption element. 4
  • 4c is the beam path between the light emitter and light receiver at the front end portions of the arms 17 of the level detector 7 in the range of the cartridge-side level detection device 6 either in the form of a deflection prism or in the form of a level-dependent movable light aperture.
  • the light beam is already outside the strip-like light beam interruption element 4, when this is pushed downwards due to the compression spring 5 in the starting position. It is also conceivable to completely exclude a sliding down of the light beam interrupting element 4 when the cartridge is removed. An independent sliding down of the light beam interrupting element 4 from the raised operating end position accordingly Fig. 4c could then, for example, by a simple clamping seat, a Latch od. Like. Be prevented.
  • a light beam interruption signal thus arises in each case only when mounting the ink cartridge 9. This signal asymmetry can be a mounting and dismounting of the ink cartridge very accurately distinguish.
  • other asymmetric signal sequences can be generated by various other measures, such as the already mentioned multi-finger-like design of the light beam interruption element 4.
  • the signal sequence may differ from that described above.
  • strip-like light beam interruption element 4 together with associated displacement plunger 13 is disposed within a recess 11 on the front wall 2 of the ink cartridge 9 and is effective.
  • the ink cartridge also laterally groove-like except (horizontal grooves 14 in the FIGS. 1 to 3 ).
  • the two grooves 14 extend over the entire length of the ink cartridge 9 accordingly Fig. 1 .
  • the width of the strip-like light beam interrupting element 4 is considerably smaller than the width of the ink cartridge 9 and is only about 1/10, but preferably 1/4 to 3/4 of the cartridge width.
  • the ventilation of the ink cartridge may be appropriate Fig. 5a, 5b Alternatively to the above-described embodiment according to the Fig. 1 to 3 also be carried out via an air inlet 32 to be executed in a known manner in the upper region of the rear wall.
  • a diaphragm valve with a semi-permeable membrane 47 is provided (see Fig. 5b ).
  • the material used for the valve membrane 47 is in particular PTFE with a thickness of 0.15 mm to about 0.45 mm, in particular about 0.30 mm and an air permeability of 5-9 s / 100 cm 3 according to JIS P 8117.
  • the aforementioned blocking element is further preferably characterized by a so-called water breakthrough pressure of about 110 to about 190 kPa, especially about 140 to 160 kPa according to JIS L 1092.
  • the blocking element according to the invention or the membrane 47 according to the invention is preferably additionally treated so that it prevents permeation of both aqueous and oily media.
  • the blocking element can also be made of a sintered material having a predetermined porosity or pore size in the range of 1 .mu.m to about 150 .mu.m.
  • a base material PE ceramic, glass od. Like. Serve.
  • these materials should also be treated hydrophobic and / or oleophobic.
  • metallic filters in particular metallic fabrics.
  • the predetermined porosity or pore size is adjusted by appropriate stretching of the film.
  • This should be a predetermined air permeability of about 5-9 s / 100 cm 3 according to JIS P 8117 adjustable.
  • the thickness of this membrane is about 0.15 to 0.45 mm, in particular about 0.32 mm, and consists of PTFE.
  • the membrane is designed so that it is permeable to water only under a pressure of at least 10 mbar, preferably of at least 100 mbar, in particular of at least 500 mbar.
  • Preferred material for the film-like membrane is Teflon. The teflon film is then adjusted by stretching to a predetermined porosity, so that the air permeability mentioned above is obtained.
  • the front wall 2 and / or rear wall 23 are part of a corresponding wall unit.
  • the thus composed ink cartridge 9 is preferably made of plastic, which may be transparent or opaque.
  • a so-called “top-loader” cartridge can be formed.
  • a recess for receiving the mounting detection device is formed on the bottom wall.
  • the plunger 13 is mounted back and forth in this embodiment approximately parallel to the bottom wall. The same applies to the plunger associated strip-like light beam interruption element, which then into the recess formed on the bottom wall either from the left or front or from the right or rear protrudes.
  • the plunger / light beam breaker construction is similar to the construction described above for a so-called "front-loader" cartridge.
  • Fig. 6 the aforementioned preferred level detection device 6 is shown somewhat more accurately with a light beam deflection element 50, in particular there is also schematically illustrated the total reflection of the incident light beam mentioned.
  • a printer-side arranged light emitting part with the reference numeral 35 and the associated light receiver part is designated by the reference numeral 36.
  • the transmitter and receiver are each light beam deflection surfaces 37, 38 of the deflecting element 40 faces.
  • the light beam deflection surfaces 37, 38 are combined with a deflecting surface 41 that can be de-energized within the cartridge 9 depending on the level with ink 39 or that can be separated from ink 39 to form a common component.
  • the first outside of the ink cartridge 9 and the second disposed outside the ink cartridge deflection, ie the light beam entrance surface 35 and the light beam exit surface 38 and the ink or de-energizable ink deflectable 41 are part of an approximately U-shaped deflection element 40. Accordingly Fig.
  • the two legs 44, 45 of the deflecting element 40 enclose an angle of ⁇ 90 °, in particular about 35 ° to 50 °, preferably about 45 °. Ultimately, this angle depends on the material of the deflecting element and also the thickness and the length of the Legs 44, 45 from. In particular Fig. 6 also very well, the two legs define 44, 45 of the deflecting element 40 between the first outer deflection surface or light beam entrance surface 37 and the second outer deflection surface or light beam exit surface 38 each still at least one, here two more inner Light beam deflection surfaces 41 ', 42' and 43 ', 44'.
  • the free ends of the two legs 44, 45 in the illustrated embodiment each comprise a deflection prism 50, 51 with outwardly directed tip.
  • the inclined surfaces respectively facing the light-transmitting part 35 and the light-receiving part 36 define the first outer deflection surface or light beam entry surface 37 and second outer deflection surface or light beam access surface 38, while the respective other or opposing oblique surfaces form an inner light beam deflection surface in Fig. 6 are denoted by the reference numerals 41 ', 44'.
  • the inclined surfaces 37, 41 'and 44', 38 of the end-side deflection prisms 50, 51 enclose an angle of about 35 ° to 60 °, in particular about 45 °. This angle also depends, inter alia, on the material of the deflection element 40 and thus on the refractive index thereof.
  • the light beam deflection surfaces 37, 38 facing the light transmission part 35 and the light receiver part 36 are dimensioned shorter in cross section than the respectively opposite light beam deflection surfaces 41 ', 44' in the respectively associated deflection prisms 50, 51. This dimensioning also depends on the material of the light beam deflection element 40 and thus on the corresponding refractive index. It only has to be ensured that the light beam impinges on the respective inner light beam deflection surfaces 41 ', 44'.
  • the two legs 44, 45 of the light beam deflection element 40 are an integral part of a recess of the ink receiving space extending inwardly from the front side 2 of the cartridge.
  • the two legs 44, 45 and the interposed web portion 46 of the light beam deflection element 40 are dimensioned so that the beam path remains at total reflection, ie with entnetzter deflection 41 within the two aforementioned legs and the aforementioned web portion.
  • the entrance and exit takes place only at the light beam entrance surface 37 and light beam exit surface 38. Accordingly, the beam path can not be disturbed by external influences. Only the incident light beam 48 and the outgoing light beam 49 are outside the level detection means, which is necessary due to the system.
  • the incoming light beam from the first outer entrance surface is deflected directly to the ink wettable surface and deflected in total reflection directly to the second outer light exit surface.
  • the invention also relates to a printer, in particular inkjet printer with a receptacle for an ink cartridge of the type described above. If it is a printer with a separate cartridge receptacle, the invention also relates to such a cartridge receptacle.
  • a fill level detector 7 is associated with the receiving space for the ink cartridge, in the beam path when mounting an ink cartridge 9, a level detection device and a mounting detection device of the type described is submersed. Accordingly, the interfaces between cartridge and cartridge receptacle are complementary, regardless of whether it is a "front-loader" or "top-loader” version.
  • the construction of the ink cartridge is such that on the front wall no signal interruption sections od. Like. Protect functional components, and the cartridge is so far made compact and damage-proof. Only on the upper wall of the cartridge, a signal interruption part or a light beam interruption element may be provided, which, however, also does not protrude over the front wall of the ink cartridge forward away.

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  • Ink Jet (AREA)

Claims (18)

  1. Cartouche d'encre (9), comportant
    - un dispositif de détection du niveau de remplissage (6), qui peut être associé à un détecteur de niveau de remplissage (7) comprenant un émetteur de lumière et un récepteur de lumière et disposé du côté de l'imprimante, de sorte qu'il est possible de détecter le niveau de la cartouche d'encre (9) lorsque celle-ci est montée, et
    - un dispositif de détection du montage (3), qui peut également coopérer avec un détecteur de rayon lumineux disposé du côté de l'imprimante, de sorte qu'il est possible de détecter le montage et/ou le démontage de la cartouche d'encre (9),
    caractérisée en ce que
    le dispositif de détection du montage (3) présente un premier élément de rupture du rayon lumineux (4), posé de manière mobile par rapport à la cartouche d'encre (9) et qui permet lors du montage et démontage de la cartouche d'encre (9) n'importe quelle série de signaux asymétriques, la direction de mouvement de l'élément de rupture du rayon lumineux (4) s'étendant selon un angle prédéfini compris entre environ 70° et environ 120° par rapport à la direction de montage (8') ou la direction de démontage (8) de la cartouche d'encre (9).
  2. Cartouche d'encre (9) selon la revendication 1, caractérisée en ce que le détecteur de rayon lumineux, pouvant être associé au dispositif de détection du montage (3), est formé par le détecteur de niveau de remplissage (7).
  3. Cartouche d'encre (9) selon la revendication 1 ou 2, caractérisée en ce que le dispositif de détection du montage (3) présente un premier élément de rupture du rayon lumineux (4) monté de manière mobile par rapport au dispositif de détection du niveau de remplissage (6) de la cartouche d'encre.
  4. Cartouche d'encre selon l'une quelconque des revendications 1 à 3, caractérisée en ce que le premier élément de rupture du rayon lumineux (4) est monté de manière mobile par rapport à la cartouche d'encre (9) s'étendant suivant une direction qui est sensiblement parallèle à la paroi (2) avant par rapport à la direction de montage (8') de la cartouche d'encre (9).
  5. Cartouche d'encre selon l'une quelconque des revendications 1 à 4, caractérisée en ce qu'elle présente, au niveau de son côté supérieur ou paroi supérieure (10) dans sa position montée, un deuxième ou un autre élément de rupture du rayon lumineux (1), auquel est associé un autre détecteur de rayon lumineux agencé du côté de l'imprimante et comprenant un émetteur de lumière et un récepteur de lumière.
  6. Cartouche d'encre selon l'une quelconque des revendications 1 à 5, caractérisée en ce que la paroi (2) avant, qui se trouve suivant la direction de montage (8') de la cartouche d'encre (9), s'étend du bas vers le haut en étant inclinée vers l'avant.
  7. Cartouche d'encre selon la revendication 5 ou 6, caractérisée en ce que le deuxième élément de rupture du rayon lumineux (1) s'étend jusqu'à la paroi (2) avant qui se trouve suivant la direction de montage (8') de la cartouche d'encre (9), de sorte que ce deuxième élément de rupture du rayon lumineux (1), décalé latéralement par rapport au premier élément de rupture du rayon lumineux lors du montage de la cartouche d'encre (9), est actif en particulier après que le premier élément de rupture du rayon lumineux (4) a été monté de manière mobile.
  8. Cartouche d'encre selon l'une quelconque des revendications 5 à 7, caractérisée en ce que le deuxième élément de rupture du rayon lumineux (1) s'étend sur la paroi supérieure (10) de la cartouche d'encre (9) sur toute la longueur de celle-ci.
  9. Cartouche d'encre selon l'une quelconque des revendications 5 à 8, caractérisée en ce que le deuxième élément de rupture du rayon lumineux (1) est formé par une nervure dressée verticalement sur la paroi supérieure (10) de la cartouche d'encre (9).
  10. Cartouche d'encre selon l'une quelconque des revendications 1 à 9, caractérisée en ce qu'un élément d'entraînement, en particulier en forme de poussoir (13) plat ou élément similaire, actif lors du montage/démontage de la cartouche d'encre (9) et monté de manière mobile également par rapport à celle-ci, est destiné à entraîner ou traîner le premier élément de rupture du rayon lumineux (4), cependant dans chaque cas avec un retard de temps par rapport au mouvement de l'élément d'entraînement ou poussoir (13).
  11. Cartouche d'encre selon la revendication 10, caractérisée en ce que l'élément de rupture du rayon lumineux (4) est entraîné de sorte que le détecteur de rayon lumineux (7), pouvant lui être associé, génère lors du montage et démontage de la cartouche d'encre, respectivement un nombre différent de signaux, en particulier seulement un signal lors du montage, mais aucun pendant le démontage de la cartouche d'encre.
  12. Cartouche d'encre selon la revendication 10 ou 11, caractérisée en ce que l'élément d'entraînement, en particulier en forme de poussoir (13), peut être déplacé, pendant le montage de la cartouche d'encre (9), vers l'intérieur de la cartouche d'encre ou vers l'intérieur d'un logement (27) correspondant de celle-ci, dans le sens opposé à l'action d'un élément élastique (5).
  13. Cartouche d'encre selon l'une quelconque des revendications 10 à 12, caractérisée en ce que l'élément d'entraînement façonné en forme de poussoir (13), dans le cas d'une cartouche (9) « à chargement frontal », avance par le haut ou par le bas dans un évidement (11) façonné sur la paroi avant (2) et, dans le cas d'une cartouche « à chargement sur le dessus », avance par l'avant ou par l'arrière dans un évidement correspondant réalisé sur le fond (20) de la cartouche, et lors du montage de la cartouche peut être poussé à l'intérieur de la cartouche ou d'un logement (27) correspondant de celle-ci, respectivement dans le sens opposé à l'action d'un élément élastique (5), le poussoir (13) entraînant dans ce cas, après un premier trajet (X), le premier élément de rupture du rayon lumineux (4) sur un deuxième trajet (Y) prédéterminé.
  14. Cartouche d'encre selon l'une quelconque des revendications 1 à 13, caractérisée en ce que le premier élément de rupture du rayon lumineux (4) est formé par une latte montée de manière mobile dans le sens longitudinal et pouvant passer à travers le rayon lumineux du détecteur de niveau (7) au moins pendant le montage de la cartouche d'encre (9).
  15. Cartouche d'encre selon la revendication 14, caractérisée en ce que l'élément d'entraînement façonné en forme de poussoir (13) est monté de manière mobile dans le sens longitudinal parallèlement au premier élément de rupture du rayon lumineux façonné sous forme de latte (4) et présente une saillie (12) qui s'engage dans une rainure longitudinale (15) de la latte (4) ou inversement, la longueur de la rainure longitudinale (15) déterminant le premier trajet (X) du poussoir (13) et le mouvement de translation de la latte (4) jusqu'à une butée (16) à l'intérieur du boîtier déterminant le deuxième trajet (Y).
  16. Cartouche d'encre selon l'une quelconque des revendications 1 à 15, caractérisée en ce que le dispositif de détection du niveau de remplissage comprend un réflecteur façonné en forme de prisme et un prisme de déviation intérieur ou extérieur au boîtier, qui est associé à distance à celui-ci et qui entre en contact avec l'encre tant que le niveau de la cartouche est encore suffisant, ou, en alternative, présente un bandeau lumineux en forme de drapeau, couplé à un flotteur, qui est actif dans la zone des parties de paroi transparentes sur les deux côtés (21, 22) de la cartouche d'encre (9) et, en fonction du niveau de remplissage, peut être déplacé vers l'intérieur ou l'extérieur entre les parties de paroi transparentes dans ou hors de l'espace.
  17. Cartouche d'encre selon l'une quelconque des revendications 1 à 16, caractérisée en ce que lors du montage de la cartouche d'encre, l'élément d'entraînement ou le poussoir (13) est sollicité par une saillie au niveau de l'imprimante ou au niveau d'un logement de la cartouche d'encre, en particulier par une partie du détecteur de niveau (7).
  18. Cartouche d'encre selon l'une quelconque des revendications 1 à 17, caractérisée en ce que celle-ci présente, à la hauteur du poussoir (13), une rainure horizontale (14), qui s'étend au moins sur le côté du poussoir et dans laquelle s'étendent vers l'intérieur, lors du montage de la cartouche d'encre (9), les bras (17) du détecteur de niveau, comprenant l'émetteur de lumière, d'une part, et le récepteur de lumière, d'autre part.
EP20100177424 2010-09-07 2010-09-17 Cartouche d'encre et imprimante à jet d'encre pour la réception d'une telle cartouche Not-in-force EP2425973B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP20100177424 EP2425973B1 (fr) 2010-09-07 2010-09-17 Cartouche d'encre et imprimante à jet d'encre pour la réception d'une telle cartouche

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
EP10175554 2010-09-07
EP20100177424 EP2425973B1 (fr) 2010-09-07 2010-09-17 Cartouche d'encre et imprimante à jet d'encre pour la réception d'une telle cartouche

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EP2425973A1 EP2425973A1 (fr) 2012-03-07
EP2425973B1 true EP2425973B1 (fr) 2013-08-14

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EP20100177424 Not-in-force EP2425973B1 (fr) 2010-09-07 2010-09-17 Cartouche d'encre et imprimante à jet d'encre pour la réception d'une telle cartouche

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EP (1) EP2425973B1 (fr)
DE (1) DE202010017253U1 (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2982516B1 (fr) 2014-08-08 2018-10-03 Brother Kogyo Kabushiki Kaisha Cartouche de liquide
DE102014224327A1 (de) * 2014-11-27 2016-06-02 Brother Kogyo Kabushiki Kaisha Flüssigkeitskartusche

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ATE173677T1 (de) * 1989-08-05 1998-12-15 Canon Kk Tintenstrahlaufzeichnungsgerät und tintenkassette dafür
JP2960614B2 (ja) 1992-10-06 1999-10-12 キヤノン株式会社 インクジェット記録装置
TWI246465B (en) * 2003-09-30 2006-01-01 Brother Ind Ltd Ink cartridge and ink-jet printer
US7350909B2 (en) 2004-03-04 2008-04-01 Brother Kogyo Kabushiki Kaisha Ink cartridge and inkjet printer
ES2428848T3 (es) 2008-02-28 2013-11-11 Brother Kogyo Kabushiki Kaisha Cartucho de tinta, conjunto de cartuchos de tinta, y sistema de determinación de cartucho de tinta
CN101480879B (zh) * 2008-12-31 2012-11-14 珠海纳思达电子科技有限公司 一种用于喷墨打印机的墨盒
DE102009026107A1 (de) * 2009-07-06 2011-01-13 Pelikan Hardcopy Production Ag Tintenpatrone und Tintenstrahldrucker zur Aufnahme einer solchen Tintenpatrone

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DE202010017253U1 (de) 2011-06-09

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