EP1782954A1 - Ink jet printhead cleaning device - Google Patents
Ink jet printhead cleaning device Download PDFInfo
- Publication number
- EP1782954A1 EP1782954A1 EP06020990A EP06020990A EP1782954A1 EP 1782954 A1 EP1782954 A1 EP 1782954A1 EP 06020990 A EP06020990 A EP 06020990A EP 06020990 A EP06020990 A EP 06020990A EP 1782954 A1 EP1782954 A1 EP 1782954A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- cleaning
- print head
- ink jet
- ink
- sealing
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 238000004140 cleaning Methods 0.000 title claims abstract description 55
- 238000007639 printing Methods 0.000 claims abstract description 53
- 238000007789 sealing Methods 0.000 claims abstract description 39
- 238000005507 spraying Methods 0.000 claims description 13
- 238000002347 injection Methods 0.000 claims description 4
- 239000007924 injection Substances 0.000 claims description 4
- 239000007921 spray Substances 0.000 claims description 2
- 230000003213 activating effect Effects 0.000 claims 1
- 239000000969 carrier Substances 0.000 claims 1
- 230000000284 resting effect Effects 0.000 claims 1
- 238000006073 displacement reaction Methods 0.000 abstract 1
- 238000000034 method Methods 0.000 description 4
- 238000007641 inkjet printing Methods 0.000 description 2
- 238000011144 upstream manufacturing Methods 0.000 description 2
- 241001295925 Gegenes Species 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000004745 nonwoven fabric Substances 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
Images
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
- B41J2/135—Nozzles
- B41J2/165—Prevention or detection of nozzle clogging, e.g. cleaning, capping or moistening for nozzles
- B41J2/16585—Prevention or detection of nozzle clogging, e.g. cleaning, capping or moistening for nozzles for paper-width or non-reciprocating print heads
- B41J2/16588—Print heads movable towards the cleaning unit
-
- 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
- B41J2/135—Nozzles
- B41J2/165—Prevention or detection of nozzle clogging, e.g. cleaning, capping or moistening for nozzles
- B41J2/16505—Caps, spittoons or covers for cleaning or preventing drying out
-
- 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
- B41J2/135—Nozzles
- B41J2/165—Prevention or detection of nozzle clogging, e.g. cleaning, capping or moistening for nozzles
- B41J2/16517—Cleaning of print head nozzles
- B41J2/1652—Cleaning of print head nozzles by driving a fluid through the nozzles to the outside thereof, e.g. by applying pressure to the inside or vacuum at the outside of the print head
- B41J2/16523—Waste ink transport from caps or spittoons, e.g. by suction
-
- 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
- B41J2/1721—Collecting waste ink; Collectors therefor
-
- 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
- B41J2/1721—Collecting waste ink; Collectors therefor
- B41J2/1742—Open waste ink collectors, e.g. ink receiving from a print head above the collector during borderless printing
-
- G—PHYSICS
- G07—CHECKING-DEVICES
- G07B—TICKET-ISSUING APPARATUS; FARE-REGISTERING APPARATUS; FRANKING APPARATUS
- G07B17/00—Franking apparatus
- G07B17/00459—Details relating to mailpieces in a franking system
- G07B17/00508—Printing or attaching on mailpieces
-
- 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
- B41J2/135—Nozzles
- B41J2/165—Prevention or detection of nozzle clogging, e.g. cleaning, capping or moistening for nozzles
- B41J2/16517—Cleaning of print head nozzles
- B41J2/1652—Cleaning of print head nozzles by driving a fluid through the nozzles to the outside thereof, e.g. by applying pressure to the inside or vacuum at the outside of the print head
- B41J2/16526—Cleaning of print head nozzles by driving a fluid through the nozzles to the outside thereof, e.g. by applying pressure to the inside or vacuum at the outside of the print head by applying pressure only
-
- 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
- B41J2/135—Nozzles
- B41J2/165—Prevention or detection of nozzle clogging, e.g. cleaning, capping or moistening for nozzles
- B41J2/16517—Cleaning of print head nozzles
- B41J2/16535—Cleaning of print head nozzles using wiping constructions
- B41J2/16541—Means to remove deposits from wipers or scrapers
-
- G—PHYSICS
- G07—CHECKING-DEVICES
- G07B—TICKET-ISSUING APPARATUS; FARE-REGISTERING APPARATUS; FRANKING APPARATUS
- G07B17/00—Franking apparatus
- G07B17/00459—Details relating to mailpieces in a franking system
- G07B17/00508—Printing or attaching on mailpieces
- G07B2017/00516—Details of printing apparatus
- G07B2017/00524—Printheads
- G07B2017/00532—Inkjet
-
- G—PHYSICS
- G07—CHECKING-DEVICES
- G07B—TICKET-ISSUING APPARATUS; FARE-REGISTERING APPARATUS; FRANKING APPARATUS
- G07B17/00—Franking apparatus
- G07B17/00459—Details relating to mailpieces in a franking system
- G07B17/00508—Printing or attaching on mailpieces
- G07B2017/00516—Details of printing apparatus
- G07B2017/00556—Ensuring quality of print
Definitions
- the invention relates to a device for cleaning an ink jet print head, in particular in a franking and / or addressing machine. It has been proven to exploit the advantages of ink printing also in the field of mechanical franking and / or addressing. The printing takes place without contact by means of ink print head, see for example DE 44 24 771 C1 and EP 0 696 509 B1 , However, the ink printing technique has the disadvantage that more ink is consumed for cleaning the ink jet print head than for printing. This is particularly serious in individual printing.
- the problem of ink jet print head cleaning and sealing is solved here by means of a device for cleaning an ink jet print head, see EP 0 799 135 B1 in which the ink jet print head is alternatively fastened from a printing position into a cleaning position and / or sealing position and pivoted back again, and the cleaning and sealing device is arranged to be linearly adjustable, toward and away from the ink jet print head.
- the cleaning and sealing device includes a the inkjet print head adapted sealing cap with suction slots for each row of nozzles and a transversely adjustable wiper lip and a downstream suction pump.
- a suction area with a suction opening for the wiper lip is provided at one end. The wiper lip is adjusted by means of a spindle drive.
- a device for positioning an ink jet print head and a cleaning and sealing device is known, see DE 197 26 642 C1 in which for the adjustment of the ink jet print head and the cleaning and sealing device, a common transmission is provided, which is driven by a motor which runs only in one direction of rotation.
- the inkjet print head, the cleaning and sealing device and the common gearbox together with the motor are mounted in a common frame and thus combined to form a compact module. This assembly is in turn adjustably attached to the transport device.
- the inkjet print head can be swiveled from the print position into the cleaning position and back again by more than 90 °.
- the cleaning and sealing device is arranged vertically adjustable in height below the ink print head. During the cleaning process, the cleaning and sealing device is docked to the downwardly pivoted ink jet print head. It is therefore also the procedure for free spraying.
- the letter transport is interrupted during the cleaning process and consequently the letter throughput is reduced.
- conveyor belt - would be noticeably dirty.
- a postage meter with an ink-jet printhead is known, see EP 0 696 509 B1 and US 5,806,994 in which the letters are transported horizontally and the nozzle surface is arranged parallel thereto.
- the nozzles that are little or unused during printing are sprayed free as long as there is no letter in front of the print head.
- the letter transport device is provided with corresponding recesses and arranged below the same a collecting container for the sprayed ink. The ink consumption is reduced in this way, but the horizontal letter transport is a prerequisite.
- the purpose of the invention is an improvement in the print quality and an extension of the life of the printing device and the largest possible letter throughput.
- the invention has for its object to provide an apparatus for cleaning an ink jet print head in a franking and / or addressing machine, in which the letters are transported standing on one edge and the ink jet print head is arranged stationary pivotally behind a guide plate, and with the next usual functions, such as wiping and sealing, both a free spraying during the letter transport as well as in rest position is possible without the letter run is dirty.
- a franking machine has a printing system 1 and a guide plate 22 with a printing window 221 in which two inkjet printing heads 110 -in the further TDK-are arranged stationary.
- the guide plate 22 is part of a transport device 2 with a drive part 21 and two sensors I, II, 23, 24.
- Sensor I “Start” 23 is arranged in the lettering upstream upstream of the transport device 2 and serves to detect and signal incoming letters.
- Sensor II "print” 24 is arranged in the letter path downstream of the printing window 221 and serves to detect letters located on the transport device 2 and to trigger or terminate the print command.
- Both sensors 23, 24 and the drive part 21 are connected to a control computer 3 for the franking machine, see also FIG. 9.
- the printing system 1 consists of a frame 10, two printing modules I, II, 11, a receptacle 12 for the aforementioned two and an associated cleaning and sealing device - in the further RDV -, see also Fig. 2.
- Each printing module 11 consists of an ink jet print head 110 together with ink supply and drive board - not designated -.
- the nozzle surfaces 111 of the inkjet printing heads 110 and the printing modules 11 are arranged in the printing position I - angle 0 degrees - in the printing window 221 parallel to the guide plate 22 but offset from one another. In this way the required pressure gap length is achieved. Accordingly, the printing modules 11 are arranged offset in the receptacle 12.
- the receptacle 12 is pivotally mounted about an axis 121 which is fixed in the frame 10.
- the control is performed by a rotary encoder 125th starting from the control computer 3 of the franking machine, see also FIG. 9.
- two stops 126, 127 are provided which limit the pivoting range of the receptacle 12.
- the stop 126 serves to define the print position I, which is at the same time the first calibration position for the rotary encoder 125, see FIGS. 2, 3 and 7.
- the stopper 127 serves to define the outermost position in the cleaning area V, which is the second calibration position for the rotary encoder 125 and also a wiping position. Since the angle - 85 degrees - between the two stops 126, 127 is given constructive, can be calibrated starting from the encoder 125 for the purpose of setting the different cleaning areas II, III, IV and V and the sealing position VI, see also Fig. 5. Thus, individual deviations of the rotary encoder 125 are eliminated. Remarks on the cleaning areas follow later.
- both TDK 110 are elastically kinematically coupled to a common baffle 132, which is designed shell-shaped.
- a wheel 122 is rotatably mounted on the receptacle 12 of the printing modules 11 and externally formed on the baffle 132 a leading edge 1323 and the baffle 132 is connected to the receptacle 12 via a tension spring 1322.
- the wheel 122 is frictionally against the leading edge 1323 and forms with this a slide guide for the impact piece 132nd
- the RDV 13 has a receptacle 131 with wiper lips 1311, a spray slot 1312 and sealing caps 1313, which are arranged in the order named behind the guide plate 22, see also FIGS. 2, 3 and 6.
- a spindle gear 1314 together with a guide shaft 1318 and a servomotor 1315 and a sensor 1316 are provided for the reference point adjustment, see Fig.2 and 3.
- the sensor 1316 and the servomotor 1315 are electrically connected to the control computer 3, see Fig. 9.
- a carrier 1317 is provided with wipers 13171, which is arranged stationarily in the engagement region of the wiper lips 1311, see FIGS. 3 and 5.
- the ink sump 133 is formed of a tray 1331 having a nonwoven fabric 13311 and a securing bracket 13312.
- the insert 1331 is guided in a frontally open receptacle 131 and provided for ease of interchangeability with a handle 13313, see Fig. 1 to 5.
- the printing position I and the sealing position VI are determined by clearly defined positions of the TDK 110 and the RDS 13, the cleaning regions II to V, as the name implies, are sliding continuously adjustable.
- the sealing position VI is determined according to a predetermined setting by the rotary encoder 125 so that the nozzle surface 111 is arranged orthogonal to the wiper lips 1311 of the RDS 13.
- the sensors 23, 24 arranged in the letter path and the sensor 1316 for the reference point adjustment are linked to the control computer 3, see FIG. 9.
- the TDK 110 has been moved so far away from the printing position I for the purpose of free spraying that at least twice the distance to the letter or print carrier is present, but all the ink drops still reach the letter. In this case, the effect is exploited that from twice the provided printing distance, the ink droplets drop into correspondingly smaller satellite drops whose range is so large that no recognizable print pattern is given more.
- the TDK 110 has been moved so far away from the printing position I for the purpose of free-spraying that no more ink drops reach the letter and all the ink droplets strike the impact element 132.
- the TDK 110 has been pivoted so far away from the printing position I for the purpose of free spraying that all ink droplets impinge directly on the nonwoven 13311. This also includes the position in which is injected by the injection slot 1312. As is apparent from the above, is advantageously used in contrast to the prior art in the cleaning areas II to IV, the time for free spraying, in which the TDK 110 is in motion, which significantly shortens the downtime.
- the TDK 110 is pivoted away from the printing position I so far that the nozzle surface 111 is arranged in the engagement region of the wiper lips 1311.
- the TDK 110 is docked on the previously positioned RDS13 and thus on the sealing caps 1313 coming out of the fourth cleaning area V and undocked in the same.
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- Engineering & Computer Science (AREA)
- Computer Security & Cryptography (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Environmental & Geological Engineering (AREA)
- Ink Jet (AREA)
- Accessory Devices And Overall Control Thereof (AREA)
Abstract
Description
Die Erfindung betrifft eine Vorrichtung zur Reinigung eines Tintendruckkopfes, insbesondere in einer Frankier- und/oder Adressiermaschine.
Es hat sich bewährt, die Vorteile des Tintendrucks auch auf dem Gebiet der maschinellen Frankierung und/oder Adressierung auszunutzen. Der Druck erfolgt hierbei berührungslos mittels Tintendruckkopf, siehe beispielsweise
Es ist eine Frankiermaschine bekannt, bei der die Druckträger beziehungsweise Briefe hochkant, aus Stabilitätsgründen über die Vertikale hinaus geneigt, mit Hilfe eines Transportbandes befördert werden, siehe hierzu
It has been proven to exploit the advantages of ink printing also in the field of mechanical franking and / or addressing. The printing takes place without contact by means of ink print head, see for example
It is a franking machine known in which the print carrier or letters upright, for stability reasons on the vertical Be inclined, transported by means of a conveyor belt, see
Das Problem der Tintendruckkopfreinigungung und -abdichtung wird hierbei mittels einer Vorrichtung zur Reinigung eines Tintendruckkopfes gelöst, siehe
Die Reinigungs- und Dichtvorrichtung enthält eine dem Tintendruckkopf angepaßte Dichtkappe mit Saugschlitzen für jede Düsenreihe und eine transversal verstellbare Wischlippe sowie eine nachgeschaltete Saugpumpe. In der Dichtkappe ist an einem Ende auch ein Absaugbereich mit einer Saugöffnung für die Wischlippe vorgesehen. Die Wischlippe wird mittels eines Spindelantriebs verstellt.The problem of ink jet print head cleaning and sealing is solved here by means of a device for cleaning an ink jet print head, see
The cleaning and sealing device includes a the inkjet print head adapted sealing cap with suction slots for each row of nozzles and a transversely adjustable wiper lip and a downstream suction pump. In the sealing cap, a suction area with a suction opening for the wiper lip is provided at one end. The wiper lip is adjusted by means of a spindle drive.
Ergänzend dazu ist eine Vorrichtung zur Positionierung eines Tintendruckkopfes und einer Reinigungs- und Dichtvorrichtung bekannt, siehe
Der Tintendruckkopf ist aus der Druckposition in die Reinigungsposition und wieder zurück um mehr als 90° schwenkbar. Die Reinigungs- und Dichtvorrichtung ist unterhalb des Tintendruckkopfes linear höhenverstellbar angeordnet. Während des Reinigungsvorganges ist die Reinigungs- und Dichtvorrichtung an den nach unten geschwenkten Tintendruckkopf angedockt. Es wird demzufolge auch beim Freispritzen so verfahren.The inkjet print head can be swiveled from the print position into the cleaning position and back again by more than 90 °. The cleaning and sealing device is arranged vertically adjustable in height below the ink print head. During the cleaning process, the cleaning and sealing device is docked to the downwardly pivoted ink jet print head. It is therefore also the procedure for free spraying.
Mit den vorstehend beschriebenen Lösungen ist der Brieftransport während des Reinigungsprozesses unterbrochen und demzufolge der Briefdurchsatz verringert. Bei einem Freispritzen in der Druckposition während des Brieftransportes würde entweder der Brief oder der Brieflauf-Klarsichtplatte, Transportband - merkbar verschmutzt werden.With the solutions described above, the letter transport is interrupted during the cleaning process and consequently the letter throughput is reduced. In a free spraying in the printing position during the letter transport either the letter or the letter-wrap transparent plate, conveyor belt - would be noticeably dirty.
Andererseits ist eine Frankiermaschine mit einem Tintenstrahl-Druckkopf bekannt, siehe
Zweck der Erfindung ist eine Verbesserung der Druckqualität und eine Verlängerung der Lebensdauer der Druckeinrichtung sowie ein möglichst großer Briefdurchsatz.The purpose of the invention is an improvement in the print quality and an extension of the life of the printing device and the largest possible letter throughput.
Der Erfindung liegt die Aufgabe zugrunde, eine Vorrichtung zur Reinigung eines Tintendruckkopfes in einer Frankier- und/oder Adressiermaschine zu schaffen, in der die Briefe auf einer Kante stehend transportiert werden und der Tintendruckkopf hinter einer Führungsplatte stationär schwenkbar angeordnet ist, und mit der neben den üblichen Funktionen, wie Wischen und Abdichten, sowohl ein Freispritzen während des Brieftransports als auch in Ruheposition möglich ist, ohne daß der Brieflauf verschmutzt wird.The invention has for its object to provide an apparatus for cleaning an ink jet print head in a franking and / or addressing machine, in which the letters are transported standing on one edge and the ink jet print head is arranged stationary pivotally behind a guide plate, and with the next usual functions, such as wiping and sealing, both a free spraying during the letter transport as well as in rest position is possible without the letter run is dirty.
Erfindungsgemäß wird diese Aufgabe gemäß dem Hauptanspruch gelöst. Weitere vorteilhafte Merkmale der Erfindung sind den Unteransprüchen entnehmbar.According to the invention this object is achieved according to the main claim. Further advantageous features of the invention are the dependent claims.
Die Erfindung wird nachstehend am Ausführungsbeispiel näher erläutert.
Es zeigen:
- Fig. 1
- eine perspektivische Ansicht des Drucksystems in der "Druckposition I" in einer Frankiermaschine einschließlich Reinigungs- und Dichtvorrichtung sowie teilweise Transporteinrichtung von vorn links,
- Fig. 2
- eine perspektivische Ansicht des Drucksystems in der "Dichtposition VI" in einer Frankiermaschine einschließlich Reinigungsund Dichtvorrichtung von vorn links,
- Fig. 3
- eine perspektivische Ansicht des Drucksystems in der "DruckPosition I" in einer Frankiermaschine einschließlich Reinigungs und Dichtvorrichtung von hinten links,
- Fig. 4
- eine Explosivdarstellung des Einschubes für den Tintensumpf,
- Fig. 5
- eine Seitenansicht von links des Drucksystems im zweiten Reinigungsbereich III "Freispritzen gegen Prallstück" mit Ausbruch,
- Fig. 6
- eine Seitenansicht von links des Drucksystems im dritten Reinigungsbereich "Freispritzen in Spritzschacht" im Schnitt,
- Fig. 7
- eine Teilansicht des Frontbereiches des Drucksystems in der "Druckposition I",
- Fig. 8
- eine Teilansicht des Frontbereiches des Drucksystems im ersten Reinigungsbereich II "Freispritzen mit vergrößertem Abstand auf Druckträger" Druckträger",
- Fig. 9
- ein Blockschaltbild zur Verknüpfung zwischen den Sensoren der Transporteinrichtung, dem Steuerrechner und dem Drucksystem sowie der Reinigungs- und Dichtvorrichtung.
Show it:
- Fig. 1
- a perspective view of the printing system in the "printing position I" in a postage meter machine including cleaning and sealing device and partial transport device from the front left,
- Fig. 2
- a perspective view of the printing system in the "sealing position VI" in a postage meter including cleaning and sealing device from the front left,
- Fig. 3
- a perspective view of the printing system in the "printing position I" in a postage meter including cleaning and sealing device from the back left,
- Fig. 4
- an exploded view of the insert for the ink sump,
- Fig. 5
- a side view from the left of the printing system in the second cleaning area III "free spraying against impact piece" with outbreak,
- Fig. 6
- a side view from the left of the printing system in the third cleaning area "free spraying in injection well" in section,
- Fig. 7
- a partial view of the front area of the printing system in the "printing position I",
- Fig. 8
- a partial view of the front area of the pressure system in the first cleaning area II "free spraying at an increased distance on print carrier "print carrier",
- Fig. 9
- a block diagram for linking between the sensors of the transport device, the control computer and the printing system and the cleaning and sealing device.
Zur Vereinfachung und zum leichteren Verständnis ist die Darstellung teilweise schematisiert ausgeführt.For simplicity and ease of understanding, the illustration is partially schematic.
Gemäß Fig. 1 weist eine Frankiermaschine ein Drucksystem 1 und eine Führungsplatte 22 mit einem Druckfenster 221 auf, in dem zwei Tintendruckköpfe 110 - im weiteren TDK - stationär angeordnet sind. Die Führungsplatte 22 ist Bestandteil einer Transporteinrichtung 2 mit einem Antriebsteil 21 und zwei Sensoren I, II, 23, 24. Sensor I "Start" 23 ist im Brieflauf stromaufwärts anfangs der Transporteinrichtung 2 angeordnet und dient zur Erfassung und Signalisierung ankommender Briefe. Sensor II "Druck" 24 ist im Brieflauf stromabwärts vor dem Druckfenster 221 angeordnet und dient zur Erfassung von auf der Transporteinrichtung 2 befindlicher Briefe und zur Auslösung beziehungsweise Beendigung des Druckbefehls. Beide Sensoren 23, 24 sowie das Antriebsteil 21 sind mit einem Steuerrechner 3 für die Frankiermaschine verbunden, siehe auch Fig. 9.
Das Drucksystem 1 besteht aus einem Gestell 10, zwei Druckmodulen I, II, 11, einer Aufnahme 12 für vorgenannte beiden sowie einer zugehörigen Reinigungs- und Dichtvorrichtung - im weiteren RDV -, siehe auch Fig. 2.
Jedes Druckmodul 11 besteht aus einem Tintendruckkopf 110 nebst Tintenversorgung und Ansteuerplatine - nicht bezeichnet -. Die Düsenflächen 111 der Tintendruckköpfe 110 beziehungsweise der Druckmodule 11 sind in der Druckposition I - Winkel 0 Grad - in dem Druckfenster 221 parallel zur Führungsplatte 22 aber zueinander versetzt angeordnet. Auf diese Weise wird die erforderliche Druckspaltenlänge erreicht. Entsprechend sind die Druckmodule 11 in der Aufnahme 12 versetzt angeordnet.
Die Aufnahme 12 ist um eine Achse 121 schwenkbar gelagert, die in dem Gestell 10 befestigt ist. Die Verstellung der Aufnahme 12 erfolgt mittels eines Stellmotors 124 über ein Schneckengetriebe 123, siehe hierzu auch Fig. 3. Die Ansteuerung erfolgt von einem Drehgeber 125 ausgehend über den Steuerrechner 3 der Frankiermaschine, siehe dazu auch Fig. 9.
An dem Gestell 10 sind zwei Anschläge 126, 127 vorgesehen die den Schwenkbereich der Aufnahme 12 begrenzen.
Der Anschlag 126 dient zur Festlegung der Druckpostion I, das ist zugleich die erste Kalibrierposition für den Drehgeber 125, siehe dazu Fig. 2, 3 und 7.
Der Anschlag 127 dient zur Festlegung der äußersten Position im Reinigungsbereich V, das ist die zweite Kalibrierposition für den Drehgeber 125 und außerdem eine Wischposition. Da der Winkel - 85 Grad - zwischen den beiden Anschlägen 126, 127 konstruktiv vorgegeben ist, kann davon ausgehend der Drehgeber 125 kalibriert werden zwecks Einstellung der verschiedenen Reinigungsbereiche II, III, IV und V sowie der Dichtposition VI, siehe hierzu auch Fig. 5. Damit werden individuelle Abweichungen des Drehgebers 125 eliminiert.
Ausführungen zu den Reinigungsbereichen folgen weiter hinten.According to FIG. 1, a franking machine has a
The
Each
The
On the
The
The
Remarks on the cleaning areas follow later.
Gemäß Fig. 2 und 5 sind beide TDK 110 mit einem gemeinsamen Prallstück 132 elastisch kinematisch gekoppelt, das schalenförmig gestaltet ist. Zu diesem Zweck sind an der Aufnahme 12 der Druckmodule 11 ein Rad 122 drehbar befestigt und außen am Prallstück 132 eine Führungskante 1323 angeformt und das Prallstück 132 mit der Aufnahme 12 über eine Zugfeder 1322 verbunden. Dadurch liegt das Rad 122 kraftschlüssig an der Führungskante 1323 an und bildet mit dieser eine Kulissenführung für das Prallstück 132.According to FIGS. 2 and 5, both
Die RDV 13 weist eine Aufnahme 131 mit Wischlippen 1311, einem Spritzschacht 1312 und Dichtkappen 1313 auf, die in der genannten Reihenfolge hinter der Führungsplatte 22 angeordnet sind, siehe auch Fig. 2, 3 und 6.
Für die Verstellung der RDV 13 sind ein Spindelgetriebe 1314 nebst Führungsachse 1318 und ein Stellmotor 1315 sowie ein Sensor 1316 für die Referenzpunkteinstellung vorgesehen, siehe hierzu Fig.2 und 3. Der Sensor 1316 und der Stellmotor 1315 sind mit dem Steuerrechner 3 elektrisch verknüpft, siehe Fig. 9.
Zur Reinigung der Wischlippen 1311 ist ein Träger 1317 mit Abstreifern 13171 vorgesehen, der stationär im Eingriffsbereich der Wischlippen 1311 angeordnet ist, siehe dazu Fig. 3 und 5.The
For the adjustment of the
For cleaning the
Der Tintensumpf 133 wird aus einem Einschub 1331 mit einem Vlies 13311 und einem Sicherungsbügel 13312 gebildet. Der Einschub 1331 ist in einer frontal offenen Aufnahme 131 geführt und zwecks leichter Auswechselbarkeit mit einem Griff 13313 versehen, siehe hierzu Fig. 1 bis 5.The
Während die Druckposition I und die Dichtposition VI durch eindeutig definierte Stellungen des TDK 110 und der RDS 13 bestimmt sind, sind die Reinigungsbereiche II bis V, wie schon der Name sagt, gleitend kontinuierlich einstellbar.
Die Dichtposition VI ist nach vorgegebener Einstellung durch den Drehgeber 125 so festgelegt, dass die Düsenfläche 111 orthogonal zu den Wischlippen 1311 der RDS 13 angeordnet ist.
Für die Auslösung der verschiedenen Stellungen des TDK 110 und der RDS 13 sind die im Brieflauf angeordneten Sensoren 23, 24 sowie der Sensor 1316 für die Referenzpunkteinstellung mit dem Steuerrechner 3 verknüpft, siehe Fig. 9.
Im ersten Reinigungsbereich II ist der TDK 110 zwecks Freispritzen so weit aus der Druckposition I weggeschwenkt, dass mindestens der doppelte Abstand zum Brief beziehungsweise Druckträger vorliegt, aber alle Tintentropfen noch den Brief erreichen. Hierbei wird der Effekt ausgenutzt, dass ab dem doppelten vorgesehenen Druckabstand die Tintendrucktropfen in entsprechend kleinere Satellitentropfen zerfallen, deren Streubereich so groß ist, daß kein erkennbares Druckmuster mehr gegeben ist.
Im zweiten Reinigungsbereich III ist der TDK 110 zwecks Freispritzen so weit aus der Druckposition I weggeschwenkt, dass kein Tintentropfen mehr den Brief erreicht und alle Tintentropfen schon beziehungsweise noch auf das Prallstück 132 auftreffen.
Im dritten Reinigungsbereich IV ist der TDK 110 zwecks Freispritzen so weit aus der Druckposition I weggeschwenkt, dass alle Tintentropfen direkt auf das Vlies 13311 auftreffen. Hierzu gehört auch die Position, in der durch den Spritzsschacht 1312 freigespritzt wird.
Wie aus den vorstehenden Ausführungen hervorgeht, wird vorteilhafterweise im Unterschied zum Stand der Technik in den Reinigungsbereichen II bis IV auch die Zeit zum Freispritzen genutzt, in der der TDK 110 in Bewegung ist, das verkürzt wesentlich die Ausfallzeiten.While the printing position I and the sealing position VI are determined by clearly defined positions of the
The sealing position VI is determined according to a predetermined setting by the
For triggering the various positions of the
In the first cleaning area II, the
In the second cleaning area III, the
In the third cleaning area IV, the
As is apparent from the above, is advantageously used in contrast to the prior art in the cleaning areas II to IV, the time for free spraying, in which the
Im vierten Reinigungsbereich V ist der TDK 110 aus der Druckposition I so weit weggeschwenkt, dass die Düsenfläche 111 im Eingriffsbereich der Wischlippen 1311 angeordnet ist.
Zur Einnahme der Dichtposition VI wird der TDK 110 an die zuvor positionierte RDS13 und damit an die Dichtkappen 1313 aus dem vierten Reinigungsbereich V kommend angegedockt und in denselben gehend abgedockt.In the fourth cleaning region V, the
To capture the sealing position VI, the
- 11
- Drucksystemprinting system
- 1010
- Gestellframe
- 1111
- Druckmodul I, IIPrint module I, II
- 110110
- TintendruckkopfInk print head
- 111111
- Düsenfläche des Druckmodul I, IINozzle surface of the printing module I, II
- 1212
-
Aufnahme für Druckmodule 11Recording for
printing modules 11 - 121121
- Drehachse für Aufnahme 12Rotary axle for recording 12
- 122122
-
Rad an Aufnahme 12Wheel on
intake 12 - 123123
-
Schneckengetriebe für Aufnahme 12Worm gear for
intake 12 - 124124
-
Stellmotor für Aufnahme 12Actuator for
recording 12 - 125125
- Drehgeber für Aufnahme 12Rotary encoder for recording 12
- 126126
- Anschlag für Aufnahme 12 "Druckposition I"Stop for receiving 12 "printing position I"
- 127127
- Anschlag für Aufnahme 12 äußerste Position im Reinigungsbereich V, "Kalibrier- und Wischposition"Stop for holding 12 outermost position in cleaning area V, "Calibration and wiping position"
- 1313
- Reinigungs- und DichtvorrichtungCleaning and sealing device
- 131131
- Aufnahmeadmission
- 13111311
- Wischlippenwiper lips
- 13121312
- Spritzschachtinjection shaft
- 13131313
- Dichtkappensealing caps
- 13141314
- Spindelgetriebespindle gear
- 13151315
- Stellmotorservomotor
- 13161316
- Sensor für ReferenzpunkteinstellungSensor for reference point adjustment
- 13171317
- Träger für AbstreiferCarrier for scrapers
- 1317113171
- Abstreiferscraper
- 13181318
- Führungsachseguide axis
- 132132
- Prallstückimpact element
- 13211321
-
Drehzapfen für Prallstück 132 am Gestell 10Pivot for
impact piece 132 on the frame 10th - 13221322
- Zugfedermainspring
- 13231323
- Führungskante, KulisseLeading edge, backdrop
- 133133
- Tintensumpfink pool
- 13311331
- Einschub, Aufnahme für VliesInset, intake for fleece
- 1331113311
- Vliesfleece
- 1331213312
-
Sicherungsbügel für Vlies 13311Securing clip for
nonwoven 13311
- 1331313313
- Griff am EinschubHandle on the insert
- 13311331
-
Aufnahme für Einschub 1331Recording for
slot 1331
- 22
- Transporteinrichtungtransport means
- 2121
- Antriebsteildriving part
- 2222
- Führungsplatteguide plate
- 221221
- Druckfensterprint window
- 2323
- Sensor I "Start"Sensor I "Start"
- 2424
- Sensor II "Druck"Sensor II "Pressure"
- 33
- Steuerrechner für FrankiermaschineControl computer for franking machine
Claims (14)
dass der Tintendruckkopf (110) mittels zugeordneter Verstellmittel (123, 124, 125, 23, 24) wahlweise in eine Druckposition (I) oder in verschiedene Reinigungsbereiche (II, III, IV, V) sowie in eine Dichtposition (VI) schwenkbar ist,
dass die Reinigungs- und Dichtvorrichtung (13) mittels zugeordneter Verstellmittel (1314, 1315, 1316) verschiebbar unterhalb des Tintendruckkopfes (110) angeordnet ist,
dass ein angepaßtes Prallstück (132) schwenkbar unterhalb des Tintendruckkopfes (110) und mit diesem gekoppelt angeordnet ist und
dass unter allen ein gemeinsamer Tintensumpf (133) vorgesehen ist.Device for cleaning an inkjet print head in a franking and / or addressing machine, in which the inkjet print head is arranged stationarily but pivotably behind a guide plate in a print window, where the print carriers are guided adjacent and resting on an edge by means of a transport device, and a cleaning device and sealing device also behind the guide plate adjustable on the ink jet print head to and away from this, is arranged, characterized
in that the ink jet print head (110) can be swiveled by means of associated adjusting means (123, 124, 125, 23, 24) optionally into a printing position (I) or into different cleaning regions (II, III, IV, V) and into a sealing position (VI),
that the cleaning and sealing device (13) by means of associated adjusting means (1314, 1315, 1316) is slidably disposed below the ink print head (110)
in that a matched baffle piece (132) is pivotally mounted below and coupled to the ink jet print head (110) and
that under all a common ink sump (133) is provided.
dass die Führungsplatte (22) über die Vertikale hinaus geneigt ist und der Tintendruckkopf (110) aus der Druckposition (I), in der die Düsenfläche (111) parallel zur Führungsplatte (22) angeordnet ist, bis an das Ende des äußersten Reinigungsbereich (V) und wieder zurück entsprechend um mehr als 85 Grad schwenkbar ist und zugeordnete Anschläge (126, 127) vorgesehen sind, wobei der Tintendruckkopf (110) integraler Bestandteil eines Druckmoduls (11) ist, das in eine Aufnahme (12) eingeschoben ist.Device according to claim 1, characterized in that
that the guide plate (22) is inclined beyond the vertical and the ink jet print head (110) from the printing position (I), in which the nozzle surface (111) is arranged parallel to the guide plate (22), to the end of the outermost cleaning region (V ) and back correspondingly more than 85 degrees pivotally and associated stops (126, 127) are provided, wherein the ink jet print head (110) is an integral part of a printing module (11) which is inserted into a receptacle (12).
dass die Reinigungs- und Dichtvorrichtung (13) eine Aufnahme (131) mit Wischlippen (1311), einem Spritzschacht (1312) und Dichtkappen (1313) aufweist, die in der genannten Reihenfolge hinter der Führungsplatte (22) angeordnet sind.Device according to claim 1, characterized in that
in that the cleaning and sealing device (13) has a receptacle (131) with wiper lips (1311), a spray hood (1312) and sealing caps (1313), which are arranged in the stated order behind the guide plate (22).
dass für die Verstellung der Aufnahme (12) und demzufolge auch des Tintendruckkopfes (110) ein Schneckengetriebe (123), ein Stellmotor (124) sowie ein Drehgeber (125) vorgesehen sind und
dass die Druckposition (I) durch einen ersten Anschlag (126) festgelegt ist und die Endstellung im äußersten Reinigungsbereich (V), die zur Kalibrierung des Drehgebers (125) dient, durch einen zweiten Anschlag (127) festgelegt ist und
dass die Dichtposition (VI) durch den Drehgeber (125) nach vorgegebener Einstellung festgelegt ist, in der die Düsenfläche (111) orthogonal zu den Wischlippen (1311) der Reinigungs- und Dichtvorrichtung (13) angeordnet ist und
dass für die Auslösung der verschiedenen Stellungen des Tintendruckkopfes (110) im Brieflauf angeordnete Sensoren (23, 24) mit einem Steuerrechner (3) verknüpft sind.Device according to claims 1 to 3, characterized
that a worm gear (123), a servomotor (124) and a rotary encoder (125) are provided for the adjustment of the receptacle (12) and consequently also of the ink print head (110) and
that the printing position (I) is determined by a first stop (126) and the end position in the outermost cleaning area (V), which serves to calibrate the rotary encoder (125) by a second stop (127) is fixed and
that the sealing position (VI) is determined by the rotary encoder (125) according to a predetermined setting, in which the nozzle surface (111) orthogonal to the wiper lips (1311) of the cleaning and sealing device (13) is arranged and
in that sensors (23, 24) arranged in the letter path for activating the various positions of the ink print head (110) are linked to a control computer (3).
dass für die Verstellung der Reinigungs- und Dichtvorrichtung (13) ein Spindelgetriebe (1314) nebst Führungsachse (1318) und ein Stellmotor (1315) sowie ein Sensor (1316) für die Referenzpunkteinstellung vorgesehen sind.Device according to claim 1, characterized in that
in that a spindle gear (1314) together with a guide shaft (1318) and a servo motor (1315) and a sensor (1316) for the reference point adjustment are provided for the adjustment of the cleaning and sealing device (13).
dass der Tintendruckkopf (110) mit dem Prallstück (132), das schalenförmig gestaltet ist, über die Aufnahme (12) elastisch kinematisch gekoppelt ist.Device according to claim 1, characterized in that
in that the ink jet print head (110) is elastically kinematically coupled to the impact piece (132), which is designed shell-shaped, via the receptacle (12).
dass an der Aufnahme (12) des Druckmoduls (11) ein Rad (122) drehbar befestigt und außen am Prallstück (132) eine Führungskante (1323) angeformt ist und das Prallstück (132) mit der Aufnahme (12) über eine Zugfeder (1322) verbunden ist und das Rad (122) kraftschlüssig an der Führungskante (1323) anliegt und mit dieser eine Kulissenführung für das Prallbstück (132) bildet.Device according to claims 2 and 6, characterized
that secured to the receptacle (12) of the printing module (11), a wheel (122) rotatably and the outside of the baffle piece (132) has a guide edge (1323) is formed and the baffle piece (132) (with the receptacle (12) via a tension spring 1322 ) is connected and the wheel (122) frictionally rests against the leading edge (1323) and forms with this a slotted guide for the impact piece (132).
dass der Tintensumpf (133) gebildet wird aus einem Einschub (1331) mit einem Vlies (13311) und Sicherungsbügel (13312), der in einer frontal offenen Aufnahme (131) geführt ist und zwecks leichter Auswechselbarkeit mit einem Griff (13313) versehen ist.Device according to claim 1, characterized in that
in that the ink sump (133) is formed from a drawer (1331) with a fleece (13311) and securing bracket (13312), which is guided in a frontally open receptacle (131) and provided with a handle (13313) for easy interchangeability.
dass der Tintendruckkopf (110) zwecks Freispritzen im ersten Reinigungsbereich (II) aus der Druckposition (I) so weit weggeschwenkt ist, dass mindestens der doppelte Abstand zum Druckträger vorliegt, aber alle Tintentropfen noch den Druckträger erreichen.Device according to claim 1, characterized in that
that the ink jet print head (110) for the purpose of free spraying in the first cleaning area (II) from the printing position (I) is so far away that at least twice the distance to the print carrier is present, but all ink drops still reach the print carrier.
dass der Tintendruckkopf (110) zwecks Freispritzen im zweiten Reinigungsbereich (III) aus der Druckposition (I) so weit weggeschwenkt ist, dass alle Tintentropfen schon beziehungsweise noch auf das Prallstück (132) auftreffen.Device according to claims 1 and 6 to 7, characterized
that the ink jet print head (110) for the purpose of free spraying in the second cleaning area (III) from the printing position (I) is so far away pivoted that all the ink drops already or still impact the baffle piece (132).
dass der Tintendruckkopf (110) zwecks Freispritzen im dritten Reinigungsbereich (IV) aus der Druckposition (I) so weit weggeschwenkt ist, dass alle Tintentropfen direkt auf das Vlies (13311) auftreffen, hierzu gehört auch die Position in der durch den Spritzschacht (1312) freigespritzt wird.Device according to claim 1, characterized in that
that the ink jet print head (110) for the purpose of free spraying in the third cleaning area (IV) from the printing position (I) is so far away that all ink drops directly on the web (13311) impinge, this includes the position in the through the injection slot (1312) is sprayed free.
dass der Tintendruckkopf (110) zwecks Abwischen im vierten Reinigungsbereich (V) aus der Druckposition (I) so weit weggeschwenkt ist, dass die Düsenfläche (111) im Eingriffsbereich der Wischlippen (1311) angeordnet ist.Device according to claims 1 and 4 to 5, characterized
in that the ink jet print head (110) is swiveled away from the printing position (I) in the fourth cleaning region (V) so far that the nozzle surface (111) is arranged in the engagement region of the wiper lips (1311).
dass zur Reinigung der Wischlippen (1311) ein Träger (1317) mit Abstreifern (13171) vorgesehen ist, der stationär im Eingriffsbereich der Wischlippen (1311) angeordnet ist.Device according to claims 1, 3 and 5, characterized
in that a carrier (1317) with scrapers (13171), which is arranged stationarily in the engagement region of the wiper lips (1311), is provided for cleaning the wiper lips (1311).
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102005052150A DE102005052150B4 (en) | 2005-11-02 | 2005-11-02 | Device for cleaning an ink jet print head |
Publications (2)
Publication Number | Publication Date |
---|---|
EP1782954A1 true EP1782954A1 (en) | 2007-05-09 |
EP1782954B1 EP1782954B1 (en) | 2008-08-13 |
Family
ID=37709747
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP06020990A Not-in-force EP1782954B1 (en) | 2005-11-02 | 2006-10-06 | Ink jet printhead cleaning device |
Country Status (4)
Country | Link |
---|---|
US (1) | US7708376B2 (en) |
EP (1) | EP1782954B1 (en) |
AT (1) | ATE404371T1 (en) |
DE (2) | DE102005052150B4 (en) |
Cited By (5)
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DE202008007604U1 (en) | 2008-06-06 | 2008-08-21 | Francotyp-Postalia Gmbh | Device for cleaning wiper elements for an inkjet print head |
EP2065200A1 (en) | 2007-11-30 | 2009-06-03 | Francotyp-Postalia GmbH | Device for containing an ink printing head |
EP2020299A3 (en) * | 2007-07-31 | 2009-10-21 | Francotyp-Postalia GmbH | Measuring system and method for measuring the play of a cartridge pivoting unit |
DE102008035679A1 (en) | 2008-07-30 | 2010-03-04 | Francotyp-Postalia Gmbh | Device for cleaning wiper elements for an inkjet print head |
DE202014102697U1 (en) | 2014-06-11 | 2014-06-24 | Francotyp-Postalia Gmbh | printer unit |
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DE102006023542B3 (en) | 2006-05-19 | 2007-10-25 | Francotyp-Postalia Gmbh | Ink print head `s nozzle free injection method for frankable and/or addressing machine, involves guiding print carrier in stationarily arranged print head, and applying print image that serves for free injection to another print image |
DE102006023540A1 (en) * | 2006-05-19 | 2007-11-22 | Francotyp-Postalia Gmbh | Process for the free spraying of the nozzles of an inkjet print head |
US20080192084A1 (en) * | 2007-02-09 | 2008-08-14 | Great Computer Corporation | Cleaning device for injet head of large-sized inkjet printer and cleaning module thereof |
DE102008033052A1 (en) | 2008-07-14 | 2010-01-28 | Francotyp-Postalia Gmbh | Arrangement for replacing ink printing modules |
CN103707645A (en) * | 2013-12-11 | 2014-04-09 | 浙江工业大学 | Ink-jet print head cleaning and scraping device of franking machine |
DE102015211325A1 (en) * | 2014-07-24 | 2016-01-28 | Heidelberger Druckmaschinen Ag | Device for double-sided printing |
DE102018204794A1 (en) * | 2018-03-28 | 2019-10-02 | Weber Marking Systems Gmbh | Inkjet printing unit |
US11860180B2 (en) * | 2020-02-10 | 2024-01-02 | Funai Electric Co., Ltd. | Removable maintenance fluid holder |
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Also Published As
Publication number | Publication date |
---|---|
US7708376B2 (en) | 2010-05-04 |
ATE404371T1 (en) | 2008-08-15 |
DE502006001318D1 (en) | 2008-09-25 |
US20070097173A1 (en) | 2007-05-03 |
DE102005052150B4 (en) | 2007-09-20 |
EP1782954B1 (en) | 2008-08-13 |
DE102005052150A1 (en) | 2007-05-24 |
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