EP0864427B1 - Attachment for a printer or a plotter or the like - Google Patents

Attachment for a printer or a plotter or the like Download PDF

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Publication number
EP0864427B1
EP0864427B1 EP98100521A EP98100521A EP0864427B1 EP 0864427 B1 EP0864427 B1 EP 0864427B1 EP 98100521 A EP98100521 A EP 98100521A EP 98100521 A EP98100521 A EP 98100521A EP 0864427 B1 EP0864427 B1 EP 0864427B1
Authority
EP
European Patent Office
Prior art keywords
accessory device
base
ink
mating
mating component
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
EP98100521A
Other languages
German (de)
French (fr)
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EP0864427A1 (en
Inventor
Franz-Ulrich Dr. Schmitt
Kurt Moser
Friedhelm Czeranski
Christian Geiermann
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.)
Laser Care Modul Recycling GmbH
Original Assignee
Laser Care Modul Recycling GmbH
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 Laser Care Modul Recycling GmbH filed Critical Laser Care Modul Recycling GmbH
Publication of EP0864427A1 publication Critical patent/EP0864427A1/en
Application granted granted Critical
Publication of EP0864427B1 publication Critical patent/EP0864427B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B41PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41JTYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
    • B41J2/00Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed
    • B41J2/005Typewriters 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
    • B41J2/01Ink jet
    • B41J2/17Ink jet characterised by ink handling
    • B41J2/175Ink supply systems ; Circuit parts therefor
    • B41J2/17503Ink cartridges
    • B41J2/17513Inner structure
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B41PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41JTYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
    • B41J2/00Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed
    • B41J2/005Typewriters 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
    • B41J2/01Ink jet
    • B41J2/17Ink jet characterised by ink handling
    • B41J2/175Ink supply systems ; Circuit parts therefor
    • B41J2/17503Ink cartridges
    • B41J2/17506Refilling of the cartridge
    • B41J2/17509Whilst mounted in the printer

Definitions

  • the invention relates to an additional device for a printer or plotter or the like, the one moving back and forth Carriage for receiving at least one printhead.
  • a Additional device for a printer or a plotter or the like the one back movable carriage for receiving at least one print head has belong to the prior art.
  • This type has in one Bottom a pressure compensation valve to which a foot plate is connected.
  • the footplate is provided with a detachable hose connection that leads to leads to a storage tank for ink.
  • the ink is through the Pressure compensation valve from the storage chamber into the ink chamber of the Printhead sucked.
  • the invention has for its object an additional device of the type mentioned in such a way that on the one hand easy handling is guaranteed, which only with is associated with a low risk of contamination, while on the other hand, a large volume of ink is provided becomes.
  • the extension piece can be joined together with the lower part to form an ink chamber which is sealed to the outside.
  • the ink chamber of the printhead is filled only after the extension piece is attached.
  • the filling can be done by using a pump. But it is also possible during the filling of the ink chamber the print head, for example, the storage tank above of the print head, and this after filling to be arranged approximately at the same height with the printhead.
  • Extension piece is designed as an ink chamber with the valve plate of the lower part is tightly connectable.
  • the additional device shown in Fig. 1 consists of a Bottom 10, an original print head, the bottom with a (not shown) valve plate is provided which via arranged on an end face of the lower part 10 Contacts 11 can be controlled.
  • This lower part 10 has a shape that corresponds to a receptacle of a carriage Plotters or the like is adjusted. From the original print head, the is designed as a disposable part, the upper part is separated after which the lower part has been washed out.
  • the lower part 10 thus only serves as an adapter for one Ink supply device to be explained.
  • the lower part 10 is formed as a kind of ink cartridge Connector 12 inserted, which is an ink chamber forms.
  • the extension 12 has in the area of its bottom a not visible in Fig. 1, with which it is sealing can be placed on a collar which is located inside the Lower part 10 is located and which surrounds the controllable valve.
  • the extension 12, which acts as a closed plastic container is formed, is in the region of a side wall provided with a knob 13, a hole 14 in a Side wall of the lower part 10 is assigned.
  • the pimple 13 latches with the bore 14 after insertion of the extension.
  • a hose line 15 which leads to a storage tank 16, which in the exemplary embodiment formed as a bubble from a plastic film is.
  • the hose line 15 is also to the storage tank connected by means of a connection that cannot be detached without destruction.
  • the storage tank 16 in the form of a bubble is in one Housing 17, for example a styrofoam housing, the top of which can be raised or swung down Cover 18 is formed, from which the hose line 15 is led out in the region of a recess 19.
  • Within the housing 17 is a recording, not shown for the extension 12, which within the housing 17 for the storage and transport is arranged and that first is then removed from the housing 17 when it is with the Lower part 10 is to be connected.
  • the storage tank 16, the hose line 15 and that as an ink chamber trained extension 12 are avoided of air pockets filled with ink.
  • the in the area of Bottom of the extension is located by means of a peelable adhesive film closed. This adhesive film is deducted when the extension 12 into the lower part 10 is used.
  • a plastic sponge arranged. The plastic sponge can be limited to the area of the opening in the floor or the entire ink chamber of the attachment piece 12 to complete.
  • the housing 17 therefore receives also expediently a recess in which the lower part 10 of the printhead for storage and transportation becomes.
  • the ink only replace the storage tank 16 with the attachment 12 and continue to use the lower part 10 of the printhead.
  • the valve of the lower part 10 of the printhead has a limited lifespan, it is recommended when the ink supply from the storage tank is used up 16 also replace the lower part 10.
  • the embodiment according to FIG. 2 corresponds to the basic idea forth the embodiment of FIG. 1, but a Multi-color printhead is created. Also in this embodiment becomes the lower part 20 of an original print head used, which is provided with electrical contacts 21, that lead to an invisible valve plate that the Form the bottom or part of the bottom of the lower part 20. From the original print head, which is designed as a disposable part is that thrown away after the ink supply runs out the upper part is removed, after which the lower part 20 is washed out has been.
  • the lower part 20 forms three chambers 22, 23, 24, can be inserted into the extension pieces 25, 26, 27.
  • the end pieces 25 are each in their bottom with an opening provided on a collar of the bottom of the base is pluggable sealing.
  • hose lines 28, 29, 30 each lead to their own Storage tanks. These storage tanks can, for example, be one common bubble that is divided into three pantries to which one of the hose lines 28, 29, 30 by means of a connection that can only be released by destroying are.
  • the extensions 25, 26, 27, each as an ink chamber are formed and which have no air pockets in the ink chambers, the hose lines 28, 29, 30 and those not shown Storage tank are filled using a Holder 31 secured in the lower part 20, which with the upper Edge of the lower part 20 is locked. To the holder 31 after Inserting the extension pieces 25, 26, 27 is this with openings 32, 33, 34 for passing through Hose line 28, 29, 30 provided with insertion slots are provided.
  • a base 36 one for a particular printer or plotter or the like designed original print head, which as a disposable print head is designed, which is used up in any ink it contains is thrown away.
  • From the lower part 36 in the area of one of the end walls electrical contacts for has a valve, is from its upper part, not shown separated and washed out.
  • the valve of the valve plate of base 36 is, as is the case with the embodiments 1 and 2 is the case, the valve plate a rotating Collar 37 assigned to the inside of the lower part 36 protrudes.
  • a connecting element 38 is attached at the upper edge of the lower part 36 at the upper edge of the lower part 36.
  • the connecting element has a shoulder 39 with which it rests on the upper edge of the lower part 36 and with this is glued. This edge closes in the lower part 36 centered collar 50 on.
  • a further connecting element 41 can be locked, which on a formed as a cover extension 40 is attached, for example is glued.
  • the connecting element 41 is with a circumferential approach 42 in a guide 43 of the connecting element 38 insertable.
  • An end wall of the guide 43 is designed as a latching tab 44, which with a Locking recess 45 of the connecting element 41 can be locked.
  • the connecting element 41 is provided with a transverse wall which connects a cylindrical nozzle 46, which in a Ring shoulder leaks, which receives a sealing ring 47, especially an O-ring.
  • the cylindrical connecting piece engages connecting elements 41 and 38 46 into a sleeve 48 of the connecting element molded onto a transverse wall 38 a on a transverse wall of the connecting element 38 is integrally formed.
  • the base 36 itself serves as an ink chamber, in which it is directly connected to the valve standing ink quantity.
  • the lid 40 is with a Hose connection 49 provided, the one not shown Hose line with a storage tank, not shown connected is.
  • the lid 40 otherwise corresponds in its Shape and shape of an upper part of the original print head.
  • the lower part 36 is in Distance from its original top.
  • the Connecting elements 38 and 41 are designed so that they are inside the contour of the original lower part 36 in the range up to to the cover 40 so that the assembled printhead from lower part 36, connecting elements 38, 41 and cover 40 have the contour of the original print head.
  • This embodiment is particularly suitable for use with printers or plotters, in which the recordings of a back and forth movable carriage also performed on the upper part and / or are centered and secured.
  • the Upper part is shaped according to the lid 40 and attached to one Storage tank is connected.
  • the lower part 36 the lower part of a disposable print head is used, while the top part of a printhead is used as the cover 40 is already provided with the hose connection 49 is.
  • the ink chamber of the lower part 36 is only filled with ink from the storage tank, after the extension piece designed as a cover 40 is attached is.
  • the storage tank can initially be in an elevated position brought so that the ink due to its own weight enters the ink chamber of the lower part 36.
  • the storage tank has a preferably manually operable pump is assigned.
  • the nozzle can prevent premature leakage of ink 46 sealed for example with a film become.
  • the Area of the hose line not shown, a closure element provided, for example a clamp that after attachment the end piece by means of the two connecting elements 38, 41 is opened or removed.

Abstract

The print head has a valve plate and corresponding electrical contacts and its ink chamber is connected by a hose conduit to a storage tank for ink. The print head is composed in releasable connection of an under part (36) containing the valve plate and the electrical contacts and an additive piece (40), to which the hose conduit coming from the storage tank is connected. The under part is of an original print head. The additive piece is assemblable with the under part to form an ink chamber, which is outwardly sealed. The additive piece is formed as a cover for the under part and is provided with a hose connection (49). To the cover and the under part is fitted a connecting component (38,41) in the contour of the original print head.

Description

Die Erfindung betrifft eine Zusatzeinrichtung für einen Drukker oder Plotter o.dgl., der einen hin- und herverfahrenden Schlitten zum Aufnehmen von wenigstens einem Druckkopf aufweist.The invention relates to an additional device for a printer or plotter or the like, the one moving back and forth Carriage for receiving at least one printhead.

Die Hersteller von Druckern oder Plottern liefern Originaldruckköpfe mit, die üblicherweise als Wegwerfteile ausgebildet sind. Diese Originaldruckköpfe haben eine nach außen abgedichtete Tintenkammer mit einem beschränkten Volumen. Ist die Tinte aus der Tintenkammer aufgebraucht, so werden die Druckköpfe als Ganzes weggeworfen. Es ist bekannt, daß das Ventil eines derartigen Druckkopfes noch für eine wesentlich längere Arbeitszeit voll funktionsfähig ist. Es ist deshalb bekannt, die Originaldruckköpfe wieder mit Tinte zu befüllen. Bei diesem Befüllen muß äußerst sorgfältig vorgegangen werden, da verschüttete Tinte zu erheblichen Verunreinigungen führen kann, die kaum beseitigt werden können. Darüber hinaus besteht wegen der begrenzten Aufnahmekapazität von Tinte sowohl bei den original befüllten Druckköpfen als auch bei den nachgefüllten Druckköpfen das Problem, daß der Tintenvorrat während eines Druckvorganges aufgebraucht wird. Insbesondere bei Großformat-Plottern, bei welchen beispielsweise ein Plakat o.dgl. mit einem vollfarbigen Hintergrund gedruckt werden soll, kann es passieren, daß der Tintenvorrat an einem Druckkopf aufgebraucht ist, bevor der Druck fertiggestellt ist. Dies führt dazu, daß der Druck unbrauchbar ist, so daß der Druckvorgang nach Austausch des Druckkopfes oder nach Befüllen des Druckkopfes wiederholt werden muß.The manufacturers of printers or plotters supply original printheads with, which are usually designed as disposable parts are. These original printheads have one on the outside sealed ink chamber with a limited volume. is the ink from the ink chamber is used up, so the Printheads thrown away as a whole. It is known that Valve of such a printhead is still essential for one longer working hours is fully functional. That is why known to refill the original printheads with ink. This filling must be done with extreme care, there spilled ink to considerable contamination that can hardly be eliminated. Furthermore exists because of the limited capacity of ink with the original filled printheads as well as with the refilled printheads the problem that the ink supply is used up during a printing process. In particular for large format plotters, for example a poster or the like. can be printed with a full color background If you do, the ink supply on a printhead may fail is used up before printing is complete. As a result, the pressure is unusable, so that the Printing process after replacing the print head or after filling of the printhead must be repeated.

Um dieses Problem zu beseitigen, ist es bekannt (DE 295 02 943.9 U), an den Originaldruckkopf einen Vorratstank mit Tinte mittels einer Schlauchleitung anzuschließen. Dadurch ist es möglich, die Druckkapazität eines Druckkopfes wesentlich zu erhöhen.In order to eliminate this problem, it is known (DE 295 02 943.9 U), a storage tank with ink on the original print head connect using a hose. This is it is possible to increase the print capacity of a printhead significantly to increase.

Aufgrund der nicht vorveröffentlichten WO 9742035 A1 kann eine Zusatzeinrichtung für einen Drucker oder einen Plotter o. dgl., der einen hinund herfahrbaren Schlitten zum Aufnehmen von wenigstens einem Druckkopf aufweist, zum Stand der Technik gehören. Diese Bauart besitzt in einem Boden ein Druckausgleichsventil, an das eine Fußplatte angeschlossen wird. Die Fußplatte ist mit einer lösbaren Schlauchverbindung versehen, die zu einem Vorratstank für Tinte führt. Die Tinte wird durch das Druckausgleichsventil aus der Vorratskammer in die Tintenkammer des Druckkopfes gesaugt.Due to the unpublished WO 9742035 A1, a Additional device for a printer or a plotter or the like, the one back movable carriage for receiving at least one print head has belong to the prior art. This type has in one Bottom a pressure compensation valve to which a foot plate is connected. The footplate is provided with a detachable hose connection that leads to leads to a storage tank for ink. The ink is through the Pressure compensation valve from the storage chamber into the ink chamber of the Printhead sucked.

Es ist auch bekannt, das Oberteil von einem Originaldruckkopf abzutrennen und danach das Unterteil, das die Ventilplatte und die zugehörigen elektrischen Kontakte aufweist, als Adapter weiterzuverwenden, in welchen eine mit Tinte gefüllte Patrone eingesetzt wird. Das erlaubt einen einfachen Arbeitsgang, bei welchem die Gefahr von Verschmutzungen durch auslaufende Tinte relativ gering ist. Die eingesetzte Patrone hat jedoch ebenfalls nur ein geringes Volumen, so daß ähnlich wie bei den Originaldruckköpfen die Gefahr besteht, daß wegen Tintenmangel ein Druckvorgang vorzeitig abgebrochen werden muß, was dann zu einem erhöhten Arbeitsaufwand führt.It is also known to have the top of an original printhead separate and then the lower part, which is the valve plate and has the associated electrical contacts, as an adapter continue to use, in which a cartridge filled with ink is used. This allows an easy operation, in which the risk of contamination from leaking Ink is relatively low. The inserted cartridge however, also has only a small volume, so that similar as with the original print heads, there is a risk that because of If there is not enough ink, a printing process can be canceled prematurely must, which then leads to an increased workload.

Der Erfindung liegt die Aufgabe zugrunde, eine Zusatzeinrichtung der eingangs genannten Art so weiterzubilden, daß einerseits eine einfache Handhabung gewährleistet ist, die nur mit einer geringen Verschmutzungsgefahr verbunden ist, während andererseits ein großvolumiger Tintenvorrat zur Verfügung gestellt wird.The invention has for its object an additional device of the type mentioned in such a way that on the one hand easy handling is guaranteed, which only with is associated with a low risk of contamination, while on the other hand, a large volume of ink is provided becomes.

Diese Aufgabe wird mit der Zusatzeinrichtung nach dem Patentanspruch 1 gelöst. This task is done with the optional device solved according to claim 1.

Die Handhabung einer derartigen Zusatzeinrichtung ist einfach und nur mit sehr geringer Verschmutzungsgefahr verbunden, da das Anschlußstück ohne weiteres an dem Unterteil eines Originaldruckkopfes angebracht werden kann. Darüber hinaus ist eine lange Druckzeit gewährleistet, da ein großvolumiger Vorratstank eingesetzt werden kann. Darüber hinaus läßt sich das Unterteil des Originaldruckkopfes noch einmal verwenden, wenn die Tinte aus dem Vorratstank aufgebraucht ist. Es ist dann in einfacher Weise möglich, den Behälter mit dem Ansatzstück auszutauschen.The handling of such an additional device is simple and associated with only a very low risk of pollution, because the connector is readily attached to the base of an original printhead can be attached. In addition, one long printing time guaranteed because of a large storage tank can be used. In addition, that Use the lower part of the original print head again if the ink from the storage tank has run out. It is then possible in a simple way, the container with the extension exchange.

Bei einer ersten Ausführungsform wird vorgesehen, daß das Ansatzstück mit dem Unterteil zu einer Tintenkammer zusammenfügbar ist, die nach außen abgedichtet ist. Bei dieser Ausführungsform erfolgt das Befüllen der Tintenkammer des Druckkopfes erst, nachdem das Ansatzstück angebracht ist. Das Befüllen kann dadurch erfolgen, daß eine Pumpe eingesetzt wird. Es ist aber auch möglich, während des Befüllens der Tintenkammer des Druckkopfes beispielsweise den Vorratstank oberhalb des Druckkopfes zu halten, und diesen nach dem Befüllen etwa auf annähernd gleicher Höhe mit dem Druckkopf anzuordnen.In a first embodiment it is provided that the extension piece can be joined together with the lower part to form an ink chamber which is sealed to the outside. In this embodiment the ink chamber of the printhead is filled only after the extension piece is attached. The filling can be done by using a pump. But it is also possible during the filling of the ink chamber the print head, for example, the storage tank above of the print head, and this after filling to be arranged approximately at the same height with the printhead.

Bei einer anderen Ausführungsform wird vorgesehen, daß das Ansatzstück als eine Tintenkammer ausgebildet ist, die mit der Ventilplatte des Unterteils dicht verbindbar ist.In another embodiment it is provided that the Extension piece is designed as an ink chamber with the valve plate of the lower part is tightly connectable.

Weitere Merkmale und Vorteile der Erfindung ergeben sich aus der nachfolgenden Beschreibung der in den Zeichnungen dargestellten Ausführungsbeispielen und den Unteransprüchen.

Fig. 1
zeigt eine perspektivische Ansicht einer erfindungsgemäßen Zusatzeinrichtung mit einem als Tintenkammer ausgebildeten Ansatzstück,
Fig. 2
eine perspektivische Ansicht einer Ausführungsform ähnlich Fig. 1, bei welchenn für einen Farbdruckkopf drei als Tintenkammern ausgebildete Ansatzstücke vorgesehen sind und
Fig. 3
einen axialen Schnitt durch eine Ausführungsform, bei welcher der Druckkopf mit einem deckelartigen Ansatzstück versehen wird und mit diesem eine Tintenkammer bildet.
Further features and advantages of the invention result from the following description of the exemplary embodiments shown in the drawings and the subclaims.
Fig. 1
2 shows a perspective view of an additional device according to the invention with an extension piece designed as an ink chamber,
Fig. 2
2 shows a perspective view of an embodiment similar to FIG. 1, in which three attachment pieces designed as ink chambers are provided for a color print head and
Fig. 3
an axial section through an embodiment in which the print head is provided with a cover-like extension and forms an ink chamber with this.

Die in Fig. 1 dargestellte Zusatzeinrichtung besteht aus einem Unterteil 10, eines Originaldruckkopfes, dessen Boden mit einer (nicht dargestellten) Ventilplatte versehen ist, die über an einer Stirnseite des Unterteils 10 angeordnete elektrische Kontakte 11 ansteuerbar ist. Dieses Unterteil 10 besitzt eine Form, die einer Aufnahme eines Schlittens eines Plotters o.dgl. angepaßt ist. Von dem Originaldruckkopf, der als ein Einwegteil ausgebildet ist, ist das Oberteil abgetrennt worden, wonach das Unterteil ausgewaschen worden ist. Das Unterteil 10 dient somit nur noch als ein Adapter für eine noch zu erläuternde Tintenversorgungseinrichtung.The additional device shown in Fig. 1 consists of a Bottom 10, an original print head, the bottom with a (not shown) valve plate is provided which via arranged on an end face of the lower part 10 Contacts 11 can be controlled. This lower part 10 has a shape that corresponds to a receptacle of a carriage Plotters or the like is adjusted. From the original print head, the is designed as a disposable part, the upper part is separated after which the lower part has been washed out. The lower part 10 thus only serves as an adapter for one Ink supply device to be explained.

In das Unterteil 10 wird ein als eine Art Tintenpatrone ausgebildetes Ansatzstück 12 eingesteckt, das eine Tintenkammer bildet. Das Ansatzstück 12 besitzt im Bereich seines Bodens eine in Fig. 1 nicht sichtbare Aussparung, mit der es dichtend auf einen Kragen aufsetzbar ist, der sich im Innern des Unterteils 10 befindet und der das ansteuerbare Ventil umgibt. Das Ansatzstück 12, das als ein geschlossener Kunststoffbehälter ausgebildet ist, ist im Bereich einer Seitenwand mit einem Noppen 13 versehen, dem eine Bohrung 14 in einer Seitenwand des Unterteils 10 zugeordnet ist. Der Noppen 13 verrastet mit der Bohrung 14 nach Einsetzen des Ansatzstückes.In the lower part 10 is formed as a kind of ink cartridge Connector 12 inserted, which is an ink chamber forms. The extension 12 has in the area of its bottom a not visible in Fig. 1, with which it is sealing can be placed on a collar which is located inside the Lower part 10 is located and which surrounds the controllable valve. The extension 12, which acts as a closed plastic container is formed, is in the region of a side wall provided with a knob 13, a hole 14 in a Side wall of the lower part 10 is assigned. The pimple 13 latches with the bore 14 after insertion of the extension.

An das Ansatzstück 12 ist mittels einer ohne Zerstören nicht lösbaren Verbindung eine Schlauchleitung 15 angeschlossen, die zu einem Vorratstank 16 führt, der bei dem Ausführunsbeispiel als eine Blase aus einer Kunststoffolie ausgebildet ist. Die Schlauchleitung 15 ist an den Vorratstank ebenfalls mittels einer ohne Zerstörung nicht lösbaren Verbindung angeschlossen. Der Vorratstank 16 in Form einer Blase ist in einem Gehäuse 17, beispielsweise einem Styroporgehäuse, untergebracht, dessen Oberseite als anhebbarer oder abschwenkbarer Deckel 18 ausgebildet ist, aus welchem die Schlauchleitung 15 im Bereich einer Aussparung 19 herausgeführt ist. Innerhalb des Gehäuses 17 befindet sich eine nicht dargestellte Aufnahme für das Ansatzstück 12, das innerhalb des Gehäuses 17 für die Lagerung und den Transport angeordnet ist und das erst dann aus dem Gehäuse 17 herausgenommen wird, wenn es mit dem Unterteil 10 verbunden werden soll.At the extension 12 is not by means of one without destroying detachable connection connected a hose line 15, which leads to a storage tank 16, which in the exemplary embodiment formed as a bubble from a plastic film is. The hose line 15 is also to the storage tank connected by means of a connection that cannot be detached without destruction. The storage tank 16 in the form of a bubble is in one Housing 17, for example a styrofoam housing, the top of which can be raised or swung down Cover 18 is formed, from which the hose line 15 is led out in the region of a recess 19. Within the housing 17 is a recording, not shown for the extension 12, which within the housing 17 for the storage and transport is arranged and that first is then removed from the housing 17 when it is with the Lower part 10 is to be connected.

Der Vorratstank 16, die Schlauchleitung 15 und das als Tintenkammer ausgebildete Ansatzstück 12 sind unter Vermeidung von Lufteinschlüssen mit Tinte befüllt. Die im Bereich des Bodens des Ansatzstückes befindliche Öffnung ist mittels einer abziehbaren Klebefolie verschlossen. Diese Klebefolie wird abgezogen, wenn das Ansatzstück 12 in das Unterteil 10 eingesetzt wird. Um dabei ein Auslaufen von Tinte zu vermeiden, ist wenigstens im Bereich der Öffnung des Ansatzstückes 12 ein Kunststoffschwamm angeordnet. Der Kunststoffschwamm kann sich auf den Bereich der Öffnung in dem Boden beschränken oder aber die gesamte Tintenkammer der Ansatzstückes 12 ausfüllen.The storage tank 16, the hose line 15 and that as an ink chamber trained extension 12 are avoided of air pockets filled with ink. The in the area of Bottom of the extension is located by means of a peelable adhesive film closed. This adhesive film is deducted when the extension 12 into the lower part 10 is used. To avoid ink leakage, is at least in the area of the opening of the extension 12 a plastic sponge arranged. The plastic sponge can be limited to the area of the opening in the floor or the entire ink chamber of the attachment piece 12 to complete.

Die Zusatzeinrichtung nach Fig. 1 bildet eine Einheit, die als solche geliefert wird. Das Gehäuse 17 erhält deshalb zweckmäßig auch eine Aussparung, in welcher das Unterteil 10 des Druckkopfes für die Lagerung und den Transport untergebracht wird. Im Prinzip ist es möglich, bei einem Aufbrauchen der Tinte nur den Vorratstank 16 mit dem Ansatzstück 12 auszutauschen und das Unterteil 10 des Druckkopfes weiterzuverwenden. Da allerdings das Ventil des Unterteils 10 des Druckkopfes nur eine begrenzte Lebensdauer hat, empfiehlt es sich, bei einem Aufbrauchen des Tintenvorrates aus dem Vorratstank 16 auch das Unterteil 10 mit auszutauschen.1 forms a unit which is delivered as such. The housing 17 therefore receives also expediently a recess in which the lower part 10 of the printhead for storage and transportation becomes. In principle, it is possible when used up the ink only replace the storage tank 16 with the attachment 12 and continue to use the lower part 10 of the printhead. However, since the valve of the lower part 10 of the printhead has a limited lifespan, it is recommended when the ink supply from the storage tank is used up 16 also replace the lower part 10.

Die Ausführungsform nach Fig. 2 entspricht von der Grundidee her dem Ausführungsbeispiel nach Fig. 1., wobei jedoch ein Mehrfarbendruckkopf geschaffen wird. Auch bei diesem Ausführungsbeispiel wird das Unterteil 20 eines Originaldruckkopfes verwendet, das mit elektrischen Kontakten 21 versehen ist, die zu einer nicht sichtbaren Ventilplatte führen, die den Boden oder einen Teil des Bodens des Unterteils 20 bilden. Von dem Originaldruckkopf, der als ein Einwegteil ausgebildet ist, das nach Aufbrauchen des Tintenvorrates weggeworfen wird, ist das Oberteil entfernt, wonach das Unterteil 20 ausgewaschen wurde. Das Unterteil 20 bildet drei Kammern 22, 23, 24, in die Ansatzstücke 25, 26, 27 einsteckbar sind. Die Ansatzstücke 25 sind jeweils in ihrem Boden mit einer Öffnung versehen, die auf einen Kragen des Bodens des Unterteils dichtend aufsteckbar ist. An die Anschlußstücke 25, 26, 27 schließen jeweils eigene Schlauchleitungen 28, 29, 30 an, wobei eine nur durch Zerstören lösbare Verbindung vorgesehen ist. Die Schlauchleitungen 28, 29, 30 führen zu jeweils eigenen Vorrattanks. Diese Vorrattanks können beispielsweise eine gemeinsame Blase sein, die in drei Vorratskammern unterteilt ist, an die jeweils eine der Schlauchleitungen 28, 29, 30 mittels einer nur durch Zerstören lösbaren Verbindung angeschlossen sind.The embodiment according to FIG. 2 corresponds to the basic idea forth the embodiment of FIG. 1, but a Multi-color printhead is created. Also in this embodiment becomes the lower part 20 of an original print head used, which is provided with electrical contacts 21, that lead to an invisible valve plate that the Form the bottom or part of the bottom of the lower part 20. From the original print head, which is designed as a disposable part is that thrown away after the ink supply runs out the upper part is removed, after which the lower part 20 is washed out has been. The lower part 20 forms three chambers 22, 23, 24, can be inserted into the extension pieces 25, 26, 27. The end pieces 25 are each in their bottom with an opening provided on a collar of the bottom of the base is pluggable sealing. At the connectors 25, 26, 27 connect their own hose lines 28, 29, 30, respectively a detachable connection provided only by destroying is. The hose lines 28, 29, 30 each lead to their own Storage tanks. These storage tanks can, for example, be one common bubble that is divided into three pantries to which one of the hose lines 28, 29, 30 by means of a connection that can only be released by destroying are.

Die Ansatzstücke 25, 26, 27, die jeweils als Tintenkammern ausgebildet sind und die ohne Lufteinschlüsse in den Tintenkammern, den Schlauchleitungen 28, 29, 30 und den nicht dargestellten Vorratstank befüllt sind, werden mittels eines Halters 31 in dem Unterteil 20 gesichert, der mit dem oberen Rand des Unterteils 20 verrastet wird. Um den Halter 31 nach Einsetzen der Ansatzstücke 25, 26, 27 anbringen zu können, ist dieser mit Öffnungen 32, 33, 34 zum Hindurchführen der Schlauchleitung 28, 29, 30 versehen, die mit Einführungsschlitzen versehen sind.The extensions 25, 26, 27, each as an ink chamber are formed and which have no air pockets in the ink chambers, the hose lines 28, 29, 30 and those not shown Storage tank are filled using a Holder 31 secured in the lower part 20, which with the upper Edge of the lower part 20 is locked. To the holder 31 after Inserting the extension pieces 25, 26, 27 is this with openings 32, 33, 34 for passing through Hose line 28, 29, 30 provided with insertion slots are provided.

Da zu den einzelnen Anschlußstücken 25, 26, 27 großvolumige Vorrattanks gehören, die zweckmäßigerweise aus Kammern eines einzelnen Vorrattanks, beispielsweise in der Form einer unterteilten Blase, bestehen, ist es in der Regel sinnvoll, bei dem Aufbrauchen der Tinte eines der Vorrattanks die gesamte Zusatzeinrichtung auszutauschen. Aus diesem Grund weisen die Anschlußstücke 25, 26, 27 eine gemeinsame Deckplatte 32 auf, so daß sie als eine einheitlich handhabbare Baugruppe ausgebildet sind. Die Schlauchleitungen 28, 29, 30 sind an diese Platte 32 angeschlossen.As to the individual connectors 25, 26, 27 large volume Storage tanks belong that suitably from one chambers individual storage tanks, for example in the form of a divided Blister, persist, it is usually useful when the use up of the ink of one of the storage tanks the whole Exchange additional device. For this reason, the Connection pieces 25, 26, 27 on a common cover plate 32, so that they are designed as a unit that can be handled in a uniform manner are. The hose lines 28, 29, 30 are attached to them Plate 32 connected.

Bei der Ausführungsform nach Fig. 3 gehört zu der Zusatzeinrichtung ein Unterteil 36 eines für einen bestimmten Drucker oder Plotter o. dgl. ausgelegten Originaldruckkopfes, der als ein Einwegdruckkopf ausgelegt ist, der nach Verbrauch der in ihm enthaltenen Tinte weggeworfen wird. Von dem Unterteil 36, das im Bereich einer der Stirnwände elektrische Kontakte für ein Ventil aufweist, ist von seinem nicht dargestellten Oberteil getrennt und ausgewaschen. Dem Ventil der Ventilplatte des Unterteils 36 ist, wie dies auch bei den Ausführungsformen nach Fig. 1 und 2 der Fall ist, der Ventilplatte ein umlaufender Kragen 37 zugeordnet, der in das Innere des Unterteils 36 ragt.3 belongs to the additional device a base 36 one for a particular printer or plotter or the like designed original print head, which as a disposable print head is designed, which is used up in any ink it contains is thrown away. From the lower part 36, in the area of one of the end walls electrical contacts for has a valve, is from its upper part, not shown separated and washed out. The valve of the valve plate of base 36 is, as is the case with the embodiments 1 and 2 is the case, the valve plate a rotating Collar 37 assigned to the inside of the lower part 36 protrudes.

An dem oberen Rand des Unterteils 36 ist dichtend, beispielsweise mittels Klebens, ein Verbindungselement 38 angebracht. Das Verbindungselement weist einen Absatz 39 auf, mit dem es auf dem oberen Rand des Unterteils 36 aufliegt und mit diesem verklebt ist. An diesen Rand schließt ein in dem Unterteil 36 zentrierter Kragen 50 an. Mit dem Verbindungselement 38 ist ein weiteres Verbindungselement 41 verrastbar, das an einem als Deckel ausgebildeten Ansatzstück 40 angebracht ist, beispielsweise angeklebt ist. Das Verbindungselement 41 ist mit einem umlaufenden Ansatz 42 in eine Führung 43 des Verbindungselementes 38 einsteckbar. Eine Stirnwand der Führung 43 ist als eine Rastlasche 44 ausgebildet, die mit einer Rastausnehmung 45 des Verbindungselementes 41 verrastbar ist. Das Verbindungselement 41 ist mit einer Querwand versehen, an den ein zylindrischer Stutzen 46 anschließt, der in einer Ringschulter ausläuft, die einen Dichtungsring 47 aufnimmt, insbesondere einen O-Ring. Beim Zusammenstecken der beiden Verbindungselemente 41 und 38 greift der zylindrische Stutzen 46 in eine an eine Querwand angeformte Hülse 48 des Verbindungselementes 38 ein, die an eine Querwand des Verbindungselementes 38 angeformt ist. Dabei erfolgt eine vakuumdichte Abdichtung mittels des Dichtungsringes 47. Bei dieser Ausführungsform dient das Unterteil 36 selbst als eine Tintenkammer, in der sich die unmittelbar mit dem Ventil in Verbindung stehende Tintenmenge befindet. Der Deckel 40 ist mit einem Schlauchanschluß 49 versehen, der über eine nicht dargestellte Schlauchleitung mit einem nicht dargestellten Vorratstank verbunden ist. Der Deckel 40 entspricht im übrigen in seiner Form und Gestalt einem Oberteil des Originaldruckkopfes.At the upper edge of the lower part 36 is sealing, for example by means of adhesive, a connecting element 38 is attached. The connecting element has a shoulder 39 with which it rests on the upper edge of the lower part 36 and with this is glued. This edge closes in the lower part 36 centered collar 50 on. With the connecting element 38 a further connecting element 41 can be locked, which on a formed as a cover extension 40 is attached, for example is glued. The connecting element 41 is with a circumferential approach 42 in a guide 43 of the connecting element 38 insertable. An end wall of the guide 43 is designed as a latching tab 44, which with a Locking recess 45 of the connecting element 41 can be locked. The connecting element 41 is provided with a transverse wall which connects a cylindrical nozzle 46, which in a Ring shoulder leaks, which receives a sealing ring 47, especially an O-ring. When putting the two together The cylindrical connecting piece engages connecting elements 41 and 38 46 into a sleeve 48 of the connecting element molded onto a transverse wall 38 a on a transverse wall of the connecting element 38 is integrally formed. There is a vacuum tight Sealing by means of the sealing ring 47. In this embodiment the base 36 itself serves as an ink chamber, in which it is directly connected to the valve standing ink quantity. The lid 40 is with a Hose connection 49 provided, the one not shown Hose line with a storage tank, not shown connected is. The lid 40 otherwise corresponds in its Shape and shape of an upper part of the original print head.

Bei der Ausführungsform nach Fig. 3 ist das Unterteil 36 in Abstand von seinem Originaloberteil abgetrennt worden. Die Verbindungselemente 38 und 41 sind so gestaltet, daß sie innerhalb der Kontur des Originalunterteils 36 im Bereich bis zu dem Deckel 40 liegen, so daß der zusammengefügte Druckkopf aus Unterteil 36, Verbindungselementen 38, 41 und Deckel 40 die Kontur des Originaldruckkopfes aufweisen. Diese Ausführungsform eignet sich insbesondere für den Einsatz bei Drukkern oder Plottern, bei welchen die Aufnahmen eines hin- und herverfahrbaren Schlittens auch an dem Oberteil geführt und/oder zentriert und gesichert sind.In the embodiment according to FIG. 3, the lower part 36 is in Distance from its original top. The Connecting elements 38 and 41 are designed so that they are inside the contour of the original lower part 36 in the range up to to the cover 40 so that the assembled printhead from lower part 36, connecting elements 38, 41 and cover 40 have the contour of the original print head. This embodiment is particularly suitable for use with printers or plotters, in which the recordings of a back and forth movable carriage also performed on the upper part and / or are centered and secured.

Die Ausführungsform nach Fig. 3 wird insbesondere dann eingesetzt, wenn ein bestimmtes Gerät wahlweise mit zwei verschiedenen Original-Druckköpfen ausgerüstet werden kann, nämlich einmal mit einem Druckkopf, der einen geschlossenen Tintenbehälter bildet und zum anderen mit einem Druckkopf, dessen Oberteil entsprechend dem Deckel 40 geformt ist und an einen Vorratstank angeschlossen ist. In diesem Fall wird als Unterteil 36 das Unterteil eines Einweg-Druckkopfes eingesetzt, während als Deckel 40 das Oberteil eines Druckkopfes verwendet wird, der bereits mit dem Schlauchanschluß 49 versehen ist.3 is used in particular when if a certain device with two different options Original printheads can be equipped, namely once with a printhead that has a closed ink tank forms and the other with a printhead, the Upper part is shaped according to the lid 40 and attached to one Storage tank is connected. In this case it is called the lower part 36 the lower part of a disposable print head is used, while the top part of a printhead is used as the cover 40 is already provided with the hose connection 49 is.

Bei dem Ausführungsbeispiel nach Fig. 3 wird die Tintenkammer des Unterteils 36 erst mit Tinte aus dem Vorratstank befüllt, nachdem das als Deckel 40 ausgebildete Ansatzstück angebracht ist. Hierzu kann der Vorratstank zunächst in eine erhöhte Position gebracht werden, so daß die Tinte aufgrund ihres Eigengewichtes in die Tintenkammer des Unterteils 36 einläuft. Alternativ kann vorgesehen werden, daß dem Vorratstank eine vorzugsweise von Hand bedienbare Pumpe zugeordnet ist. Um ein vorzeitiges Auslaufen von Tinte zu verhindern, kann der Stutzen 46 beispielsweise mit einer Folie dichtend verschlossen werden. Bei einer abgewandelten Ausführungsform wird in dem Bereich der nicht dargestellten Schlauchleitung ein Verschlußelement vorgesehen, beispielsweise eine Klemme, die nach Anbringen des Ansatzstückes mittels der beiden Verbindungselemente 38, 41 geöffnet oder entfernt wird. Bei einer abgewandelten Ausführungsform wird vorgesehen, daß die Schlauchleitung lösbar mit dem Schlauchanschluß 49 verbunden ist, wobei dann ein Anschluß vorgesehen wird, der bei seinem Anbringen erst den Austritt von Tinte freigibt.3, the ink chamber of the lower part 36 is only filled with ink from the storage tank, after the extension piece designed as a cover 40 is attached is. For this purpose, the storage tank can initially be in an elevated position brought so that the ink due to its own weight enters the ink chamber of the lower part 36. Alternatively, it can be provided that the storage tank has a preferably manually operable pump is assigned. To a The nozzle can prevent premature leakage of ink 46 sealed for example with a film become. In a modified embodiment, the Area of the hose line, not shown, a closure element provided, for example a clamp that after attachment the end piece by means of the two connecting elements 38, 41 is opened or removed. With a modified one Embodiment provides that the hose line is detachably connected to the hose connector 49, wherein then a connector is provided which is attached to it only releases the leakage of ink.

Claims (11)

  1. An accessory device for a printer, plotter, or similar that has a rider that travels back and forth for accommodating the lower section of at least one printing head, where the accessory device comprises a base (10, 20, 36) having a valve plate and associated contacts (11, 12) that is separated from an original printing head, a mating component (12, 25, 26, 27, 40) that may be detached from the base, a reservoir (16), and a length of tubing (15) coming from the reservoir that is permanently attached to the mating component (12, 25, 26, 27, 40).
  2. An accessory device according to claim 1, wherein the mating component (40) may be joined to the base (36) to create an ink chamber that is sealed with respect to the ambient.
  3. An accessory device according to claim 1 or claim 2, wherein the mating component is configured as a cap (40) for the base (36) and has a fitting (49) for attaching a length of tubing.
  4. An accessory device according to claim 3, wherein a connecting element (38, 41) present on the contour of the original printing head is attached to the mating component configured as a cap (40) and to the base (36), respectively, and the connecting elements (38, 41) intermate with one another and may be latched together.
  5. An accessory device according to claim 4, wherein the connecting element (38, 41) has a circumferential sealing ring (47) arranged in the vicinity of the intermating components (46, 48).
  6. An accessory device according to claim 1, wherein the mating element (12) is configured as an ink chamber that may be joined to the valve plate of the base (10, 20) such that it forms a tight seal therewith.
  7. An accessory device according to claim 6, wherein the base (20) is provided with several valve plates, each of which may be joined to a mating component (25, 26, 27) serving as an ink chamber, each of which is connected to a reservoir by a length of tubing (28, 29, 30), such that it will form a tight seal therewith.
  8. An accessory device according to claim 6 or claim 7, wherein a latching joint between the mating component(s) (12, 25, 26, 27) and the base (10, 20) is provided.
  9. An accessory device according to claim 8, wherein a holder (31) that holds the mating components (25, 26, 27) in position in the base (20) may be latched to the base (20).
  10. An accessory device according to any of claims 7 - 9, wherein a common reservoir for several mating components (25, 26, 27) is subdivided into a number of chambers, each of which it is connected to its own mating component (25, 26, 27) by its own length of tubing (28, 29, 30), where the number of chambers equals the number of mating components, is provided.
  11. An accessory device according to any of claims 1 - 10, wherein a bladder arranged within a housing (17) serves as the reservoir (16).
EP98100521A 1997-03-12 1998-01-14 Attachment for a printer or a plotter or the like Expired - Lifetime EP0864427B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE29704408U DE29704408U1 (en) 1997-03-12 1997-03-12 Additional device for a printer or plotter or the like.
DE29704408U 1997-03-12

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EP0864427A1 EP0864427A1 (en) 1998-09-16
EP0864427B1 true EP0864427B1 (en) 2003-09-24

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EP98100521A Expired - Lifetime EP0864427B1 (en) 1997-03-12 1998-01-14 Attachment for a printer or a plotter or the like

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AT (1) ATE250504T1 (en)
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Publication number Priority date Publication date Assignee Title
US5745137A (en) * 1992-08-12 1998-04-28 Hewlett-Packard Company Continuous refill of spring bag reservoir in an ink-jet swath printer/plotter
US5369429A (en) * 1993-10-20 1994-11-29 Lasermaster Corporation Continuous ink refill system for disposable ink jet cartridges having a predetermined ink capacity
DE9418247U1 (en) * 1993-10-20 1995-03-16 Lasermaster Corp Automatic ink refill system for disposable inkjet cartridges
DE29502943U1 (en) * 1995-02-22 1995-04-06 Laser Care Module Recycling Gm Additional device for a printer or plotter or the like.
AU2747297A (en) * 1996-05-06 1997-11-26 Graphic Utilities, Inc. Auxiliary ink reservoir and feed system and method for ink jet cartridges

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DE59809677D1 (en) 2003-10-30
DE29704408U1 (en) 1997-04-17
ATE250504T1 (en) 2003-10-15

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