EP2384896B1 - Ink cartridge - Google Patents
Ink cartridge Download PDFInfo
- Publication number
- EP2384896B1 EP2384896B1 EP20110163008 EP11163008A EP2384896B1 EP 2384896 B1 EP2384896 B1 EP 2384896B1 EP 20110163008 EP20110163008 EP 20110163008 EP 11163008 A EP11163008 A EP 11163008A EP 2384896 B1 EP2384896 B1 EP 2384896B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- cartridge
- ink cartridge
- ink
- clamping rib
- receptacle
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Not-in-force
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
- B41J2/00—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed
- B41J2/005—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed characterised by bringing liquid or particles selectively into contact with a printing material
- B41J2/01—Ink jet
- B41J2/17—Ink jet characterised by ink handling
- B41J2/175—Ink supply systems ; Circuit parts therefor
- B41J2/17503—Ink cartridges
- B41J2/17553—Outer structure
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
- B41J2/00—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed
- B41J2/005—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed characterised by bringing liquid or particles selectively into contact with a printing material
- B41J2/01—Ink jet
- B41J2/17—Ink jet characterised by ink handling
- B41J2/175—Ink supply systems ; Circuit parts therefor
- B41J2/17503—Ink cartridges
- B41J2/1752—Mounting within the printer
Definitions
- the invention relates to an ink cartridge according to the preamble of patent claim 1 for insertion into a cartridge receptacle of an inkjet printer.
- Interchangeable ink cartridges of the aforementioned type are well known and are used to supply inkjet printers with ink.
- the ink cartridge usually includes at least one ink chamber in which liquid ink is stored.
- the chambers of an ink cartridge may be fluid mechanically separated from one another, each having its own ink supply and removal openings, or being in fluid communication with each other, having common ink supply and removal openings.
- Fluid-mechanically separated ink chambers are used in particular in ink cartridges for color inkjet printers for receiving different color inks for use.
- Ink cartridges with a single ink chamber or fluidly interconnected ink chambers are used in both mono and color ink jet printers.
- both types of cartridges may be shared, such as providing a separate black ink cartridge and a separate cartridge having, for example, three chambers one color ink at a time, or by disposing both the black ink and, for example, three different color inks, each in its own color Cartridge are provided to one or more fluid-mechanically connected ink chambers.
- one or more ink cartridges are usually inserted into the printer-side cartridge receptacle, which is provided either along with the printer head or stationary in the housing of the inkjet printer.
- the or each ink discharge opening, or the or each connecting piece of the or each ink chamber fluidly connected to the corresponding supply port in the cartridge receptacle.
- the or each port of the ink cartridge it is necessary for the or each port of the ink cartridge to be airtightly coupled to the or each supply port of the printer. This is achieved in that the ink cartridge is held in a predetermined, defined mounting position in the cartridge holder and locked in this.
- the ink cartridge is held in position by a catch which cooperates with each of the laterally protruding and cartridge mounting / demounting ribs formed on the ink cartridge.
- the object of the invention is to provide an ink cartridge available that can be produced inexpensively and safely used in a cartridge holder while avoiding the above-mentioned disadvantages in a simple and user-friendly way and securely fixed in this and can be easily removed again.
- an ink cartridge for insertion into a cartridge receptacle of an ink jet printer, with a housing in which at least one ink storage chamber and an ink port for connecting the ink storage chamber with a provided at the ink jet printer supply port when inserting the ink cartridge in the cartridge receptacle, wherein the A cartridge in the direction of insertion of the ink cartridge in the front cartridge cartridge, an opposite, in the direction of insertion rear end of the ink cartridge, located cartridge back, two opposite side surfaces and a cartridge underside and a cartridge top, wherein at the rear of the cartridge at least one, preferably two in relation on the underside of the cartridge and cartridge top side vertically spaced, Lateralspreizelement (e) for laterally fixing the ink cartridge in one of the cartridge rear side associated recess of the cartridge receptacle is provided (are), wherein the or the Lateralspreizelement (s) is designed as a substantially horizontally extending clamping rib (s) (s), which, if necessary,
- An essential point of the invention is that by the or the Lateralspreizelement (s), which (s) preferably at the on the back of the cartridge, but after Request is also provided on the cartridge front side (are), on the one hand a problem, especially lateral positioning of the ink cartridge in the cartridge holder is ensured because the ink cartridge by the at least one Lateralspreizelement laterally abuts the boundaries of the recess of the cartridge receptacle and in this way a correct Positioning of the ink cartridge in the cartridge holder causes.
- a preferred embodiment of the invention may be provided on the cartridge rear side, or alternatively on the cartridge front, depending on which variant is preferred, two mutually vertically spaced with respect to cartridge base and cartridge top Lateralsp Sonetti, both in the same way on both sides with their lateral ends the respective ends of these associated recesses of the recess of the cartridge receptacle, whereby a positional fixation of the ink cartridge in the cartridge receptacle is further improved.
- the invention provides that the or the Lateralspreizelement (s), in particular the clamping rib (s), is wider (are) than the recess of the cartridge receptacle, so that the or the Lateralspreizelement (s), in particular clamping rib (s) at a Inserting the ink cartridge in the cartridge receptacle in each case comes to rest on the edges of the recess of the cartridge receptacle and positioned in this way, the ink cartridge on the one hand correctly in the cartridge receptacle, and at the same time fixed in a correct operating position in the cartridge receptacle.
- At least one, preferably dimensionally stable, support element is provided on the rear side of the cartridge, which extends from the cartridge bottom in the direction of the cartridge top, wherein the or the support element (s) according to a preferred embodiment arranged symmetrically with respect to the lateral boundaries of the cartridge back is (are). If the or the Lateralspreizelement (s), in particular clamping rib (s) is provided on the front of the cartridge (are), the support member is provided analogously to the cartridge front.
- the support element (s) fulfill in terms of the invention advantageously several functions, it being mentioned in the first place that this support element is so is formed so that a longitudinal, ie in the direction of insertion of the ink cartridge in the cartridge receiving positioning is effected by this support element, since this is so, preferably arcuately designed that the back of the support member extending from the back of the cartridge, or alternatively of the Cartridge front side extends, slides along an insertion opening into the cartridge receptacle and comes to lie substantially centrally or in the case of multiple support elements symmetrically with respect to the lateral boundaries of the recess of the cartridge receptacle when the ink cartridge correctly inserted into the cartridge receptacle and in its final position in the cartridge receptacle is fixed by one or more Lateralsp Shinetti.
- the lateral spreading element (s), in particular the clamping rib (s), is (are) connected to the rear of the cartridge and / or to the support element (s).
- the at least one support element serves to stabilize the Lateralsp Sonide or clamping ribs, which can be mounted laterally on the side of a support member which faces in the direction of the lateral boundary of the recess of the cartridge receptacle.
- At least one guide element can be provided which is connected to the cartridge rear or front side and / or to the support element (s).
- Both the or the Lateralspreizelement (s), in particular clamping rib (s), and / or the at least one guide element has (have), preferably laterally, at least one curvature in the direction of the cartridge top.
- the cartridge both position correctly and securely fix in this correct position, wherein the clamping rib during insertion of the ink cartridge in the cartridge receptacle is elastically deformed to form a tension against the boundary of the recess of the cartridge receptacle and in this way by friction in the recess is fixed in position or clamped.
- the one or more lateral expansion elements (e), in particular clamping rib (s), and / or the at least one guide element in a contact region are arranged with the recess of the cartridge receptacle symmetrical to the or the support element (s).
- a Lateralspreizelement used in the context of this invention, or a clamping rib at least partially may have a harder material than the cartridge receptacle.
- a Lateralspreizelement respectively a clamping rib, for example be made of spring steel, in each case in addition a profiling, in particular a toothing on the Lateralspreizelement or the clamping rib can be provided in a contact area with the recess of the cartridge receptacle.
- the respective ends of the Lateralspreizelements, respectively the clamping rib, also with a non-slip, as required rubbery soft coating, be provided on the wall of the recess of the cartridge receptacle, respectively on arranged thereon guide surfaces in a locked state an optimal fixation the cartridge allows.
- a pulling or pushing device for removing the ink cartridge which is provided for example on the lid or in the upper region of the ink cartridge, for example in the form of a projection or a lever.
- the ink cartridge optionally provided on at least one free end of a clamping rib to provide a pulling or pushing device, with which the standing with the lateral boundary of the recess of the cartridge receptacle in engagement or attack end of the clamping rib something in the direction Lid of the ink cartridge is pulled or pressed to reduce the lateral clamping action of the Lateralsp Sonide or, in particular clamping rib (s), or completely to facilitate removal of, for example, empty or other reasons to remove ink cartridge from the cartridge receptacle ,
- At least one release means is provided on the ink cartridge, by means of which for facilitated removal of the ink cartridge from the cartridge receptacle at least one Lateralspreizeiemente (e) from a locking position can be brought into a release position.
- this release agent according to the invention, a removal of the ink cartridge from the cartridge holder in a simple manner possible, since it means this release means is possible, a splayed Lateralspreizelement which is in clamping or frictional engagement with the wall of the recess of the cartridge receptacle to withdraw from this engagement and in this way allows easy and easy removal of the ink cartridge from the cartridge receptacle.
- the respective Lateralspreizelement, or the respective clamping rib is supported by an actuator or guided by a holder, which is advantageously ensures that the respective Lateralspreizelement or the respective clamping rib is located in any case in a correct position and remains in that, in the case of a movable actuator element or a movable support, the actuator element or holder prevents twisting, bending or otherwise escaping from the correct position necessary for locking and, in the course of inserting the ink cartridge in the cartridge receiving deforming Lateralspreizelement, respectively clamping rib, quasi can go along.
- the actuator element and / or the holder with an actuating element in particular via levers, a linkage or one or more cables or bands, connected, or, preferably integrally formed therewith, wherein the actuator element and / or the holder, for example via a Film hinge is connected to the actuator.
- the actuating element is movable, in particular movably and preferably pivotably arranged about a rotating or tilting axis on the ink cartridge, the actuator element and / or the holder being pressed against the or the lateral spreading element (e ), in particular clamping rib (s) is urged, wherein the or the Lateralspreizelement (s), in particular clamping rib (s) is (are) deformed so that the or the Lateralspreizelement (e), In particular clamping rib (s) in the recess with respect to the cartridge lower and the cartridge top in the vertical direction is free to move (are).
- This embodiment of the invention makes it possible in an advantageous manner, by a simple actuation of the actuating element, namely by, for example pressurized, pivoting of the actuating element to deform the Lateralspreizelement or the clamping rib so that their width extension is less than the distance between the walls of the recess Cartridge receptacle, respectively, the guide surfaces extending along these walls, so that the Lateralspreizelement, or the clamping rib can be quasi unlocked, whereby it is possible to easily remove the cartridge from the cartridge receptacle or to insert the cartridge in the cartridge receptacle, wherein a Relief of the actuating element causes the Lateralspreizelement, or the clamping rib, moves into a locking position and comes with the wall of the recess of the cartridge receptacle in frictional or clamping engagement.
- an actuator with actuator element or holder can thus be considered as an important point of the invention, which bends when operating a federstährome clamping rib such that it is narrower than the parallel guide surfaces of the cartridge receptacle and thereby the clamping action of the clamping rib is completely canceled.
- the clamping rib support can be made together with the actuator or actuator as a one-piece plastic injection molded part, which is particularly cost.
- a retaining cam, retaining claw, retaining notch, etc. may be provided on the cartridge, which / which cooperates with a corresponding holding element, for example a recess in the cartridge receptacle in the printer.
- the cartridge can be positioned on this first side, for example by means of retaining cams and the clamping rib with the actuator on the opposite side are mounted and locked.
- clamping rib is installed on one side and the actuation point of the actuator on the other side.
- the force to be transmitted to the clamping rib can be transmitted by means of levers, linkage, cable or the like.
- Fig. 1 shows an ink cartridge 10 according to the invention with a housing 12, an ink port 16 which is disposed on the cartridge bottom 26.
- the cartridge top 36 is limited by a lid 40.
- On the cartridge rear side 54 is a support member 52 and two, each laterally disposed on the support member 52 clamping ribs 58, which have a slight wing-like curvature in the direction of the cartridge top 36 and are tapered to the outside.
- the support member 52 is centrally located on the back 54 with respect to the lateral boundaries of the cartridge rear 54 and in a vertical orientation. Further, the support member 52 has a back curvature along which the support member 52 upon insertion of the ink cartridge 10 in the cartridge receptacle 56 (in Fig. 1 not shown) can slide.
- a guide element 62 is symmetrically arranged on both sides in a lower region of the support element 52, which extends arcuately starting from the support element 52 in the direction of the upper side 56 of the cartridge.
- FIG. 2a an ink cartridge 10 according to the invention is shown, which is inserted into a cartridge receptacle 56.
- the support element 52 can be seen in a lateral view, extending from a lower portion of the cartridge rear side 54 extends arcuately backwards and upwards in the direction of the cover 40, wherein the back of the support member 52, and whose curvature is formed so that during the insertion process of the ink cartridge 10 into the cartridge receptacle 56 causes a correct longitudinal alignment of the ink cartridge 10 in the cartridge receptacle 56.
- a respective lateral clamping rib 58 and a guide element 62 can be seen, wherein both the clamping rib 58 and the guide element 62 are attached both to the support element 52 and to the cartridge rear side 54.
- Fig. 2b shows a side view of an ink cartridge 10 which is inserted into the cartridge receptacle 56 and fixed therein.
- Fig. 3 shows a rear sectional view of an ink cartridge 10 which is inserted and fixed in a cartridge receptacle 56 in the end position, wherein on a support member 52 on both sides, each symmetrically arranged, outwardly tapering clamping ribs 58, the position of the ink cartridge 10 in the recess 60 of the cartridge receptacle 56 define and fix at the same time.
- two also respectively symmetrically on both sides of the support member 52 arranged guide elements 62 can be seen, which have served during a insertion process of the ink cartridge 10 in the cartridge holder 56 as a guide.
- At least the clamping ribs 58 were curved during the insertion process of the ink cartridge into the cartridge receptacle 56 in the direction of the cover 40, whereby the ink cartridge 10 is fixed in the recess 60 under tension.
- Fig. 4a shows a cartridge back 54 with a support member 52, clamping ribs 58 and guide elements 62 according to an embodiment according to Fig. 3 but in the non-inserted state of the ink cartridge 10.
- Fig. 4b shows a modification of the positioning and fixing device for an ink cartridge 10 in a cartridge receptacle 56 according to Fig. 4a , in each case two symmetrically mutually arranged clamping ribs 58 are provided in an upper region of the support member 52 on both sides.
- FIG. 4c shows a further variant according to the invention of a positioning and fixing device for an ink cartridge 10 in a cartridge receptacle 56, wherein a continuous clamping rib 58 is inserted into a recess of a support member 52.
- this clamping rib 58 is not tapered to the outside, but has a substantially equal thickness, wherein the respective ends of the clamping rib 58 are provided with a profiling, namely with a toothing.
- Fig. 5 shows a further embodiment of an ink cartridge 10 according to the invention with a housing 12, an ink port 16 which is arranged on the underside 26 of the ink cartridge.
- the cartridge top 36 is limited by a lid 40.
- On the cartridge rear side 54 are a support member 52 and two guide elements 62.
- the guide elements 62 are each side of a holder 30, namely a clamping rib holder, arranged.
- a clamping rib 58, according to Fig. 5 is denoted in the relaxed position by the reference numeral 58a, is guided in the clamping rib holder 30 and projects laterally beyond this clamping rib holder 30 on both sides.
- the clamping rib holder 30 in turn is connected via a film hinge 24 with an actuating element 18, which is formed integrally with the film hinge 24 and the clamping rib holder 30 and forms an actuator 20.
- FIG. 5 an insertion direction 48 for inserting the ink cartridge 10 in a cartridge receptacle (in Fig. 5 not shown) and indicated by an arrow.
- the ink cartridge according to Fig. 5 a ventilation opening 38 and a data memory 34, which are both arranged on the underside 26 of the cartridge 10.
- a guide groove 32 is shown in the lower region of the actuator 20, along which the clamping rib holder 30 slides upon pivoting of the actuating element 18 about a pivot axis 22 due to the film hinge 24 - connection of the actuating element 18 with the clamping rib holder 30,
- FIG. 10 is a rear sectional view of an ink cartridge 10 according to the embodiment of FIG Fig. 5 which is to be inserted into a cartridge receptacle 56 and fixed in this.
- the support member 52 which is disposed on both sides of the support member 52, and arranged on the cartridge rear side 54 actuator 20 which has an actuator 21, which in turn laterally supports the clamping rib 58, with a solid line guide is shown in relaxed state by the reference numeral 58a.
- the reference numeral 58b denotes the state of the clamping rib 58 in a middle position in which the clamping rib 58 is clamped on both sides on the guide surfaces 42, which are designated to distinguish the two clamping sides with the respective reference numerals 42a and 42b.
- the clamping rib 58 has the guide width 44, which are defined and bounded by the guide surfaces 42a and 42b.
- the reference numeral 58 c denotes a tensioned state of the clamping rib 58, which allows removal of the ink cartridge 10 from the cartridge receptacle 56.
- This Klemmrippenschreib 58c is achieved in that Fig. 5 Pressure on the actuating element 18 is applied, so that the cartridge top side 36 associated upper end of the actuating element 18 is pressed in the direction of the cartridge rear side 54, wherein the actuating element 18 is tilted about the rotation axis 22, which causes the clamping rib holder 30, which over the Film hinge 24 is connected to the actuator 18 is pulled upward, the actuator member 21 abuts from below against the clamping rib sides 58 and this pushes up, so world, until the width extension of the clamping rib 58 between the guide surfaces 42 a and 42 b is smaller as the guide width 44.
- FIGS. 7a to 7c show an ink cartridge according to the invention according to the in Fig. 5 illustrated embodiment during a Einsetzvorgangs, but not yet in the inserted state ( Fig. 7a ), when inserted ( Fig. 7b ) and in a state suitable for removing the ink cartridge 10 from the cartridge receptacle 56 ( Fig. 7c ).
- the insertion of the ink cartridge 10 in the cartridge receptacle 56 is carried out according to Fig. 7a such that the ink cartridge 10 is first inserted with a retaining cam 46 into a corresponding recess of the cartridge receptacle, whereby the ink port 16 is correctly positioned.
- the ink cartridge is tiltingly lowered with the retaining cam 46 as a fulcrum in the cartridge receptacle 56, wherein the clamping rib 58 is in the relaxed position 58a.
- the actuator 20 When the clamping rib 58 is in the relaxed clamping rib position 58a, the actuator 20 is in a relaxed position, with the actuator element 21 and the clamping rib holder 30 in the lowest position and the lid 40 associated upper end of the actuating element 18 in the direction of the farthest cartridge rear position 54 is located.
- the clamping rib 58 Upon further lowering of the ink cartridge 10 along the direction of insertion 48 into the cartridge receptacle 56, the clamping rib 58, which is in the relaxed position 58a, comes into contact with the guide surfaces 42 of the cartridge receptacle 56, as shown in FIG Fig. 7b is shown, a deformation of the Clamping rib 58 takes place in a locking position 58b of the clamping rib 58.
- Fig. 7c the position of the actuating element 18 is shown, in which a deformation of the clamping rib 58 is achieved, in which the width extent of the clamping rib is smaller than the guide width 44, as in Fig. 6 is shown, so that the ink cartridge 10 according to the invention is ready for removal from the cartridge receptacle 56.
- the clamping rib 58 is in the position 58c, which also Fig. 6 can be removed and in which the clamping rib 58 is maximally deformed by the actuator element 21, respectively the clamping rib holder 30 and has a minimum width extension.
- Fig. 8 shows a further embodiment of the invention, wherein an ink cartridge 10 at its front, the ink port 16 facing upper portion has an actuating element 18 with which a tilting rib about a rotational axis 22, a clamping rib can be brought from a relaxed position via a locking position in a cocked position ,
- the gist of the invention is that, in this way, the ink cartridge can be inserted into the holder without a disadvantageous elastic engaging portion, completely omitting the disadvantageous features of the snapper.
- the embodiments of the invention are much easier to handle and accidental jamming or jamming is avoided.
Description
Die Erfindung betrifft eine Tintenpatrone gemäß dem Oberbegriff des Patentanspruchs 1 zum Einsetzen in eine Patronenaufnahme eines Tintenstrahldruckers.The invention relates to an ink cartridge according to the preamble of patent claim 1 for insertion into a cartridge receptacle of an inkjet printer.
Auswechselbare Tintenpatronen der eingangs genannten Art sind allgemein bekannt und werden zur Versorgung von Tintenstrahldruckern mit Tinte verwendet. Die Tintenpatrone umfaßt üblicherweise mindestens eine Tintenkammer, in der flüssige Tinte gespeichert ist. Die Kammern einer Tintenpatrone können fluidmechanisch voneinander getrennt, mit jeweils eigenen Tintenzuführ- und Tintenentnahmeöffnungen oder in Strömungsverbindung untereinander, mit gemeinsamen Tintenzuführ- und Tintenentnahmeöffnungen ausgebildet sein. Fluidmechanisch getrennte Tintenkammern kommen insbesondere in Tintenpatronen für Farbtintenstrahldrucker zur Aufnahme unterschiedlicher Farbtinten zur Anwendung. Tintenpatronen mit einer einzigen Tintenkammer oder mit fluidmechnisch untereinander verbundenen Tintenkammern werden sowohl in Mono- als auch in Farbtintenstrahldruckern eingesetzt. Insbesondere in Farbtintenstrahldruckern können auch beide Patronentypen gemeinsam genutzt werden, indem etwa eine getrennte Patrone für schwarze Tinte und eine getrennte Patrone mit beispielsweise drei Kammern für jeweils eine Farbtinte vorgesehen ist, oder indem sowohl die schwarze Tinte als auch beispielsweise drei unterschiedliche Farbtinten in jeweils einer eigenen Patrone zu einer oder mehreren fluidmechanisch verbundenen Tintenkammern vorgesehen sind.Interchangeable ink cartridges of the aforementioned type are well known and are used to supply inkjet printers with ink. The ink cartridge usually includes at least one ink chamber in which liquid ink is stored. The chambers of an ink cartridge may be fluid mechanically separated from one another, each having its own ink supply and removal openings, or being in fluid communication with each other, having common ink supply and removal openings. Fluid-mechanically separated ink chambers are used in particular in ink cartridges for color inkjet printers for receiving different color inks for use. Ink cartridges with a single ink chamber or fluidly interconnected ink chambers are used in both mono and color ink jet printers. In particular, in color ink jet printers, both types of cartridges may be shared, such as providing a separate black ink cartridge and a separate cartridge having, for example, three chambers one color ink at a time, or by disposing both the black ink and, for example, three different color inks, each in its own color Cartridge are provided to one or more fluid-mechanically connected ink chambers.
Zum Betrieb eines Tintenstrahldruckers werden üblicherweise eine oder mehrere Tintenpatronen in die druckerseitige Patronenaufnahme eingesetzt, welche entweder mitfahrend am Druckerkopf oder stationär im Gehäuse des Tintenstrahldruckers vorgesehen ist. Beim Einsetzen der Tintenpatrone wird die oder jede Tintenentnahmeöffnung, bzw. der oder jeder Anschlußstutzen der oder jeder Tintenkammer mit dem entsprechenden Versorgungsanschluss in der Patronenaufnahme fluidmechanisch verbunden.For operation of an inkjet printer, one or more ink cartridges are usually inserted into the printer-side cartridge receptacle, which is provided either along with the printer head or stationary in the housing of the inkjet printer. When inserting the ink cartridge, the or each ink discharge opening, or the or each connecting piece of the or each ink chamber fluidly connected to the corresponding supply port in the cartridge receptacle.
Für eine funktionssichere Tintenversorgung ist es erforderlich, dass der oder jeder Anschlußstutzen der Tintenpatrone mit dem oder jedem Versorgungsanschluss des Druckers luftdicht gekoppelt ist. Dies wird dadurch erreicht, dass die Tintenpatrone in einer vorgegebenen, definierten Einbaulage in der Patronenaufnahme gehalten und in dieser verriegelt ist.For a reliable ink supply, it is necessary for the or each port of the ink cartridge to be airtightly coupled to the or each supply port of the printer. This is achieved in that the ink cartridge is held in a predetermined, defined mounting position in the cartridge holder and locked in this.
Eine in einer Patronenaufnahme einrastende Tintenpatrone ist beispielsweise aus der
- einen Hauptkörper zum Aufbewahren einer Flüssigkeit;
- eine Zuführungsöffnung zum Zuführen der Flüssigkeit zu dem Tintenstrahlkopf, wobei die Zuführungsöffnung in einem Abschnitt angeordnet ist, der den Boden des Behälters im Betrieb bildet;
- einen ersten Eingriffsabschnitt, der an einer ersten Seite des Hauptkörpers vorgesehen ist und daran angepasst ist, dass er mit einem ersten Arretierabschnitt des Halters in Eingriff gelangt, um den Flüssigkeitsbehälter während der Montage drehbar zu halten; und
- ein Stützelement, das durch den Flüssigkeitsbehälter elastisch gestützt ist und sich von einer zweiten Seite, die zu der ersten Seite entgegengesetzt ist, erstreckt und einen zweiten Eingriffsabschnitt an einer Aussenseite von ihm hat, die von der zweiten Seite des Hauptkörpers weg gewandt ist, und zu einer Bewegung von der zweiten Seite weg und zu der zweiten Seite hin in der Lage ist, wobei der zweite Eingriffsabschnitt daran angepasst ist, dass er mit einem zweiten Arretierabschnitt des Halters in Eingriff gelangt, wobei die Zuführungsöffnung zwischen dem ersten Eingriffsabschnitt und dem zweiten Eingriffsabschnitt angeordnet ist.
- a main body for storing a liquid;
- a supply port for supplying the liquid to the ink-jet head, the supply port being disposed in a portion constituting the bottom of the container in operation;
- a first engaging portion provided on a first side of the main body and adapted to engage with a first locking portion of the holder to rotatably hold the liquid container during assembly; and
- a support member elastically supported by the liquid container and extending from a second side opposite to the first side and having a second engagement portion on an outer side thereof facing away from the second side of the main body, and to a movement away from the second side and is capable of the second side, wherein the second engagement portion adapted to be engaged with a second locking portion of the holder, wherein the feed opening disposed between the first engagement portion and the second engagement portion is.
Nachteilig bei einer derartigen Arretierung der Tintenpatrone in einer Patronenaufnahme ist jedoch die Tatsache, dass der dort genannte zweite Eingriffsabschnitt, in der Regel in der Form eines Schnappers, beweglich ausgestaltet sein muss, damit dessen Funktion gewährleistet ist. Dieser Schnapper kann jedoch aufgrund dieser beweglichen Ausbildung verbiegen oder abbrechen, so dass eine fehlerfreie Funktion nicht mehr gewährleistet ist und die Tintenpatrone nicht mehr fehlerfrei in die Patronenaufnahme eingesetzt werden kann. Darüber hinaus ist bei einer Befestigung einer Tintenpatrone in einer Patronenaufnahme gemäß der
Auch bei der Anordnung gemäß der
Die Aufgabe der Erfindung besteht darin, eine Tintenpatrone zur Verfügung zu stellen, die kostengünstig herstellbar ist und unter Vermeidung oben genannter Nachteile auf einfache und bedienerfreundliche Weise positionssicher in eine Patronenaufnahme eingesetzt und in dieser sicher fixiert sowie auf einfache Weise wieder entfernt werden kann.The object of the invention is to provide an ink cartridge available that can be produced inexpensively and safely used in a cartridge holder while avoiding the above-mentioned disadvantages in a simple and user-friendly way and securely fixed in this and can be easily removed again.
Diese Aufgabe wird durch eine Tintenpatrone gemäß Patentanspruch 1 gelöst.This object is achieved by an ink cartridge according to claim 1.
Insbesondere wird diese Aufgabe durch eine Tintenpatrone zum Einsetzen in eine Patronenaufnahme eines Tintenstrahldruckers, mit einem Gehäuse, in dem sich mindestens eine Tintenspeicherkammer befindet und einem Tintenanschluss zum Verbinden der Tintenspeicherkammer mit einem am Tintenstrahldrucker vorgesehenen Versorgungsanschluss beim Einsetzen der Tintenpatrone in die Patronenaufnahme gelöst, wobei das Gehäuse eine in Einsatzrichtung der Tintenpatrone in die Patronenaufnahme vorn befindliche Patronenvorderseite, eine entgegengesetzt, am in Einsatzrichtung rückseitigen Ende der Tintenpatrone, befindliche Patronenrückseite, zwei sich gegenüberliegende Seitenflächen sowie eine Patronenunterseite und eine Patronenoberseite aufweist, wobei an der Patronenrückseite zumindest ein, vorzugsweise zwei in Bezug auf Patronenunterseite und Patronenoberseite voneinander vertikal beabstandete, Lateralspreizelement(e) zur seitlichen Fixierung der Tintenpatrone in einer der Patronenrückseite zugeordneten Ausnehmung der Patronenaufnahme vorgesehen ist(sind), wobei das oder die Lateralspreizelement(e) als sich im Wesentlichen horizontal erstreckende Klemmrippe(n) ausgebildet ist (sind), die ggf. zum leichteren Einführen der Patrone nach Wunsch seitlich etwas in Richtung Patronenoberseite weist (weisen).In particular, this object is achieved by an ink cartridge for insertion into a cartridge receptacle of an ink jet printer, with a housing in which at least one ink storage chamber and an ink port for connecting the ink storage chamber with a provided at the ink jet printer supply port when inserting the ink cartridge in the cartridge receptacle, wherein the A cartridge in the direction of insertion of the ink cartridge in the front cartridge cartridge, an opposite, in the direction of insertion rear end of the ink cartridge, located cartridge back, two opposite side surfaces and a cartridge underside and a cartridge top, wherein at the rear of the cartridge at least one, preferably two in relation on the underside of the cartridge and cartridge top side vertically spaced, Lateralspreizelement (e) for laterally fixing the ink cartridge in one of the cartridge rear side associated recess of the cartridge receptacle is provided (are), wherein the or the Lateralspreizelement (s) is designed as a substantially horizontally extending clamping rib (s) (s), which, if necessary, for ease of insertion of the cartridge as desired has something in the direction of the cartridge top side (point).
Ein wesentlicher Punkt der Erfindung liegt darin, dass durch das oder die Lateralspreizelement(e), welche(s) bevorzugt an der an der Patronenrückseite, jedoch nach Wunsch auch an der Patronenvorderseite vorgesehen ist (sind), zum einen eine problemlose, insbesondere seitliche Positionierung der Tintenpatrone in der Patronenaufnahme sichergestellt ist, da die Tintenpatrone durch das zumindest eine Lateralspreizelement seitlich an den Begrenzungen der Ausnehmung der Patronenaufnahme anliegt und auf diese Weise eine korrekte Positionierung der Tintenpatrone in der Patronenaufnahme bewirkt.An essential point of the invention is that by the or the Lateralspreizelement (s), which (s) preferably at the on the back of the cartridge, but after Request is also provided on the cartridge front side (are), on the one hand a problem, especially lateral positioning of the ink cartridge in the cartridge holder is ensured because the ink cartridge by the at least one Lateralspreizelement laterally abuts the boundaries of the recess of the cartridge receptacle and in this way a correct Positioning of the ink cartridge in the cartridge holder causes.
Gemäß einer bevorzugten Ausführungsform der Erfindung können an der Patronenrückseite oder, alternativ an der Patronenvorderseite, je nachdem welche Variante bevorzugt wird, zwei in Bezug auf Patronenunterseite und Patronenoberseite voneinander vertikal beabstandete Lateralspreizelemente vorgesehen sein, die jeweils beide in gleicher Weise beidseitig mit ihren seitlichen Enden an den diesen Enden jeweils zugeordneten Begrenzungen der Ausnehmung der Patronenaufnahme anliegen, wodurch eine Lagefixierung der Tintenpatrone in der Patronenaufnahme nochmals verbessert wird.According to a preferred embodiment of the invention may be provided on the cartridge rear side, or alternatively on the cartridge front, depending on which variant is preferred, two mutually vertically spaced with respect to cartridge base and cartridge top Lateralspreizelemente, both in the same way on both sides with their lateral ends the respective ends of these associated recesses of the recess of the cartridge receptacle, whereby a positional fixation of the ink cartridge in the cartridge receptacle is further improved.
Ferner ist erfindungsgemäß vorgesehen, dass das oder die Lateralspreizelement(e), insbesondere die Klemmrippe(n), breiter ausgebildet ist (sind) als die Ausnehmung der Patronenaufnahme, so dass das oder die Lateralspreizelement(e), insbesondere Klemmrippe(n) bei einem Einsetzen der Tintenpatrone in die Patronenaufnahme in jedem Fall an den Rändern der Ausnehmung der Patronenaufnahme zur Anlage kommt und auf diese Weise die Tintenpatrone einerseits richtig in der Patronenaufnahme positioniert, als auch diese gleichzeitig in einer für einen Betrieb korrekten Position in der Patronenaufnahme fixiert.Furthermore, the invention provides that the or the Lateralspreizelement (s), in particular the clamping rib (s), is wider (are) than the recess of the cartridge receptacle, so that the or the Lateralspreizelement (s), in particular clamping rib (s) at a Inserting the ink cartridge in the cartridge receptacle in each case comes to rest on the edges of the recess of the cartridge receptacle and positioned in this way, the ink cartridge on the one hand correctly in the cartridge receptacle, and at the same time fixed in a correct operating position in the cartridge receptacle.
Gemäß einer weiteren Ausführungsform der Erfindung ist an der Patronenrückseite zumindest ein, vorzugsweise formstabiles, Stützelement vorgesehen, das sich von der Patronenunterseite in Richtung der Patronenoberseite erstreckt, wobei das oder die Stützelement(e) gemäß einer bevorzugten Ausführungsform symmetrisch bezüglich der seitlichen Begrenzungen der Patronenrückseite angeordnet ist (sind). Sofern das oder die Lateralspreizelement(e), insbesondere Klemmrippe(n), an der Vorderseite der Patrone vorgesehen ist (sind), ist das Stützelement analog an der Patronenvorderseite vorgesehen.According to a further embodiment of the invention, at least one, preferably dimensionally stable, support element is provided on the rear side of the cartridge, which extends from the cartridge bottom in the direction of the cartridge top, wherein the or the support element (s) according to a preferred embodiment arranged symmetrically with respect to the lateral boundaries of the cartridge back is (are). If the or the Lateralspreizelement (s), in particular clamping rib (s) is provided on the front of the cartridge (are), the support member is provided analogously to the cartridge front.
Das oder die Stützelement(e) erfüllen erfindungstechnisch in vorteilhafter Weise mehrere Funktionen, wobei an erster Stelle erwähnt sei, dass dieses Stützelement so ausgebildet ist, dass eine längsgerichtete, d.h. in Einsatzrichtung der Tintenpatrone in die Patronenaufnahme gerichtete Positionierung durch dieses Stützelement bewirkt wird, da dieses so, vorzugsweise bogenförmig gestaltet ist, dass die Rückseite des Stützelements, das sich von der Patronenrückseite nach hinten, oder alternativ von der Patronenvorderseite nach vorn, erstreckt, entlang einer Einführöffnung in die Patronenaufnahme gleitet und im wesentlichen mittig oder im Falle mehrerer Stützelemente symmetrisch bezüglich der seitlichen Begrenzungen der Ausnehmung der Patronenaufnahme zu liegen kommt, wenn die Tintenpatrone korrekt in die Patronenaufnahme eingesetzt und in ihrer End-Position in der Patronenaufnahme durch ein oder mehrere Lateralspreizelemente fixiert ist.The support element (s) fulfill in terms of the invention advantageously several functions, it being mentioned in the first place that this support element is so is formed so that a longitudinal, ie in the direction of insertion of the ink cartridge in the cartridge receiving positioning is effected by this support element, since this is so, preferably arcuately designed that the back of the support member extending from the back of the cartridge, or alternatively of the Cartridge front side extends, slides along an insertion opening into the cartridge receptacle and comes to lie substantially centrally or in the case of multiple support elements symmetrically with respect to the lateral boundaries of the recess of the cartridge receptacle when the ink cartridge correctly inserted into the cartridge receptacle and in its final position in the cartridge receptacle is fixed by one or more Lateralspreizelemente.
Ferner ist es erfindungsgemäß vorgesehen, dass das oder die Lateralspreizelement(e), insbesondere Klemmrippe(n), mit der Patronenrückseite und/oder mit dem oder den Stützelement(en) verbunden ist (sind). Auf diese Weise dient das zumindest eine Stützelement zur Stabilisierung der Lateralspreizelemente bzw. Klemmrippen, die seitlich an der Seite eines Stützelements angebracht sein können, welches in Richtung der seitlichen Begrenzung der Ausnehmung der Patronenaufnahme weist.Furthermore, it is provided according to the invention that the lateral spreading element (s), in particular the clamping rib (s), is (are) connected to the rear of the cartridge and / or to the support element (s). In this way, the at least one support element serves to stabilize the Lateralspreizelemente or clamping ribs, which can be mounted laterally on the side of a support member which faces in the direction of the lateral boundary of the recess of the cartridge receptacle.
Des Weiteren kann erfindungsgemäß zumindest ein Führungselement vorgesehen sein, das mit der Patronenrück- oder -vorderseite und/oder mit dem oder den Stützelement(en) verbunden ist.Furthermore, according to the invention at least one guide element can be provided which is connected to the cartridge rear or front side and / or to the support element (s).
Sowohl das oder die Lateralspreizelement(e), insbesondere Klemmrippe(n), und/oder das zumindest eine Führungselement weist (weisen), bevorzugt seitlich, wenigstens eine Krümmung in Richtung Patronenoberseite auf. Auf diese Weise ist es möglich, die Tintenpatrone in die Patronenaufnahme einzusetzen, wobei sich das oder die Lateralspreizelement(e), insbesondere Klemmrippe(n), und/oder das zumindest eine Führungselement während des Einsetzvorgangs an die seitliche Begrenzung der Ausnehmung der Patronenaufnahme anliegen und auf diese Weise die Patrone sowohl korrekt positionieren als auch in dieser korrekten Position sicher fixieren, wobei die Klemmrippe während der Einführung der Tintenpatrone in die Patronenaufnahme elastisch unter Ausbildung einer Spannung gegen die Begrenzung der Ausnehmung der Patronenaufnahme verformt wird und auf diese Weise reibungsbedingt in der Ausnehmung lagefixiert bzw. geklemmt ist.Both the or the Lateralspreizelement (s), in particular clamping rib (s), and / or the at least one guide element has (have), preferably laterally, at least one curvature in the direction of the cartridge top. In this way it is possible to insert the ink cartridge into the cartridge receptacle, wherein the or the Lateralspreizelement (s), in particular clamping rib (s), and / or abut the at least one guide element during the insertion process to the lateral boundary of the recess of the cartridge receptacle and In this way, the cartridge both position correctly and securely fix in this correct position, wherein the clamping rib during insertion of the ink cartridge in the cartridge receptacle is elastically deformed to form a tension against the boundary of the recess of the cartridge receptacle and in this way by friction in the recess is fixed in position or clamped.
An dieser Stelle sei erwähnt, dass das oder die Lateralspreizelement(e), insbesondere Klemmrippe(n), und/oder das zumindest eine Führungselement in einem Kontaktbereich mit der Ausnehmung der Patronenaufnahme symmetrisch zu dem oder den Stützelement(en) angeordnet sind.It should be mentioned at this point that the one or more lateral expansion elements (e), in particular clamping rib (s), and / or the at least one guide element in a contact region are arranged with the recess of the cartridge receptacle symmetrical to the or the support element (s).
Ferner sei erwähnt, dass ein im Rahmen dieser Erfindung eingesetztes Lateralspreizelement, respektive eine Klemmrippe, zumindest teilweise ein härteres Material aufweisen kann als die Patronenaufnahme. So kann ein Lateralspreizelement, respektive eine Klemmrippe, beispielsweise aus Federstahl hergestellt sein, wobei jeweils in einem Kontaktbereich mit der Ausnehmung der Patronenaufnahme jeweils zusätzlich eine Profilierung, insbesondere eine Zahnung an dem Lateralspreizelement bzw. der Klemmrippe vorgesehen sein kann. Eine solche Maßnahme ist im Hinblick auf eine optimierte Fixierung vorteilhaft. Gemäß einer weiteren Ausführungsform, können die jeweiligen Enden des Lateralspreizelements, respektive der Klemmrippe, auch mit einem rutschfesten, nach Bedarf gummiartig weichen, Überzug versehen sein, der an der Wandung der Ausnehmung der Patronenaufnahme, respektive an daran angeordneten Führungsflächen in einem Arretierungszustand eine optimale Fixierung der Patrone ermöglicht.It should also be mentioned that a Lateralspreizelement used in the context of this invention, or a clamping rib, at least partially may have a harder material than the cartridge receptacle. Thus, a Lateralspreizelement, respectively a clamping rib, for example be made of spring steel, in each case in addition a profiling, in particular a toothing on the Lateralspreizelement or the clamping rib can be provided in a contact area with the recess of the cartridge receptacle. Such a measure is advantageous in terms of optimized fixation. According to a further embodiment, the respective ends of the Lateralspreizelements, respectively the clamping rib, also with a non-slip, as required rubbery soft coating, be provided on the wall of the recess of the cartridge receptacle, respectively on arranged thereon guide surfaces in a locked state an optimal fixation the cartridge allows.
Gemäß einer weiteren Ausführungsform der Erfindung kann an der Tintenpatrone eine Zug- oder Druckvorrichtung zum Entfernen der Tintenpatrone vorgesehen sein, die beispielweise am Deckel oder im oberen Bereich der Tintenpatrone, beispielsweise in Form eines Vorsprungs oder eines Hebels vorgesehen ist. Des Weiteren ist es erfindungsgemäß zum Entfernen der Tintenpatrone optional vorgesehen an wenigstens einem freien Ende einer Klemmrippe eine Zug- oder eine Druckvorrichtung vorzusehen, mit welchem das mit der seitlichen Begrenzung der Ausnehmung der Patronenaufnahme in Ein- bzw. Angriff stehende Ende der Klemmrippe etwas in Richtung Deckel der Tintenpatrone zieh- oder drückbar ist, um die seitliche Klemmwirkung des oder der Lateralspreizelemente, insbesondere Klemmrippe(n), zu reduzieren oder vollständig zu lösen, um ein Entfernen der, beispielsweise leeren oder aus anderen Gründen zu entfernenden Tintenpatrone aus der Patronenaufnahme zu erleichtern.According to a further embodiment of the invention may be provided on the ink cartridge, a pulling or pushing device for removing the ink cartridge, which is provided for example on the lid or in the upper region of the ink cartridge, for example in the form of a projection or a lever. Furthermore, it is according to the invention for removing the ink cartridge optionally provided on at least one free end of a clamping rib to provide a pulling or pushing device, with which the standing with the lateral boundary of the recess of the cartridge receptacle in engagement or attack end of the clamping rib something in the direction Lid of the ink cartridge is pulled or pressed to reduce the lateral clamping action of the Lateralspreizelemente or, in particular clamping rib (s), or completely to facilitate removal of, for example, empty or other reasons to remove ink cartridge from the cartridge receptacle ,
Gemäß einer weiteren Ausführungsform der Erfindung ist an der Tintenpatrone wenigstens ein Freigabemittel vorgesehen, mittels dem zur erleichterten Entnahme der Tintenpatrone aus der Patronenaufnahme wenigstens eines der Lateralspreizeiement(e) aus einer Arretierungsposition in eine Freigabeposition bringbar ist. Durch dieses erfindungsgemäße Freigabemittel ist eine Entnahme der Tintenpatrone aus der Patronenaufnahme auf einfache Weise möglich, da es mittels dieses Freigabemittels möglich ist, ein gespreiztes Lateralspreizelement, das mit der Wandung der Ausnehmung der Patronenaufnahme in Klemm- oder Reibeingriff steht, aus diesem Eingriff zurückzuziehen und auf diese Weise eine leichte und problemlose Entfernung der Tintenpatrone aus der Patronenaufnahme ermöglicht.According to a further embodiment of the invention, at least one release means is provided on the ink cartridge, by means of which for facilitated removal of the ink cartridge from the cartridge receptacle at least one Lateralspreizeiemente (e) from a locking position can be brought into a release position. By this release agent according to the invention, a removal of the ink cartridge from the cartridge holder in a simple manner possible, since it means this release means is possible, a splayed Lateralspreizelement which is in clamping or frictional engagement with the wall of the recess of the cartridge receptacle to withdraw from this engagement and in this way allows easy and easy removal of the ink cartridge from the cartridge receptacle.
Des weiteren ist (sind) das oder die Lateralspreizelement(e), insbesondere Klemmrippe(n), zumindest in der Freigabeposition jeweils seitlich von einem Aktuatorelement unterstützt und/oder in einer Halterung geführt, wobei das oder die Lateralspreizelement(e), insbesondere Klemmrippe(n), in der Arretierungsposition jeweils seitlich über das Aktuatorelement oder die Halterung in Richtung einer Führungsfläche, welche an der Wandung der Ausnehmung der Patronenaufnahme ausgebildet ist, hinausragt (hinausragen).Furthermore, the one or more Lateralspreizelement (s), in particular clamping rib (s), at least in the release position laterally supported by an actuator and / or guided in a holder, wherein the Lateralspreizelement or (e), in particular clamping rib ( n), in the locking position in each case laterally beyond the actuator element or the holder in the direction of a guide surface, which is formed on the wall of the recess of the cartridge holder, projects (protrude).
Gemäß der vorgenannten Erfindungsvariante wird das jeweilige Lateralspreizelement, bzw. die jeweilige Klemmrippe von einem Aktuatorelement unterstützt oder von einer Halterung geführt, wodurch in vorteilhafter Weise sichergestellt wird, dass das jeweilige Lateralspreizelement oder die jeweilige Klemmrippe in jedem Fall in einer korrekten Position befindlich ist und verbleibt, da das Aktuatorelement bzw. die Halterung ein Verwinden, Verbiegen oder anderweitiges Entweichen aus der korrekten Position, die für eine Arretierung notwendig ist, verhindert und darüber hinaus im Falle eines beweglichen Aktuatorelements bzw. einer beweglichen Halterung mit dem sich im Zuge des Einsetzens der Tintenpatrone in die Patronenaufnahme verformenden Lateralspreizelement, respektive Klemmrippe, quasi mitgehen kann.According to the aforementioned variant of the invention, the respective Lateralspreizelement, or the respective clamping rib is supported by an actuator or guided by a holder, which is advantageously ensures that the respective Lateralspreizelement or the respective clamping rib is located in any case in a correct position and remains in that, in the case of a movable actuator element or a movable support, the actuator element or holder prevents twisting, bending or otherwise escaping from the correct position necessary for locking and, in the course of inserting the ink cartridge in the cartridge receiving deforming Lateralspreizelement, respectively clamping rib, quasi can go along.
Des Weiteren ist das Aktuatorelement und/oder die Halterung mit einem Betätigungselement, insbesondere über Hebel, ein Gestänge oder einen oder mehrere Seilzüge oder Bänder, verbunden, oder, bevorzugt einstückig, mit diesem ausgebildet, wobei das Aktuatorelement und/oder die Halterung beispielsweise über ein Filmscharnier mit dem Betätigungselement verbunden ist.Furthermore, the actuator element and / or the holder with an actuating element, in particular via levers, a linkage or one or more cables or bands, connected, or, preferably integrally formed therewith, wherein the actuator element and / or the holder, for example via a Film hinge is connected to the actuator.
Das Betätigungselement ist erfindungsgemäß beweglich, insbesondere um eine Dreh-oder Kippachse beweglich und vorzugsweise schwenkbar an der Tintenpatrone angeordnet, wobei bei einer Bewegung des Betätigungselements, d.h. insbesondere bei einem Spannen des Betätigungselements das Aktuatorelement und/oder die Halterung gegen das oder die Lateralspreizelement(e), insbesondere Klemmrippe(n) gedrängt wird, wobei das oder die Lateralspreizelement(e), insbesondere Klemmrippe(n) so verformt wird (werden), dass das oder die Lateralspreizelement(e), insbesondere Klemmrippe(n) in der Ausnehmung in Bezug auf die Patronenunter- und die Patronenoberseite in vertikaler Richtung frei beweglich ist (sind).According to the invention, the actuating element is movable, in particular movably and preferably pivotably arranged about a rotating or tilting axis on the ink cartridge, the actuator element and / or the holder being pressed against the or the lateral spreading element (e ), in particular clamping rib (s) is urged, wherein the or the Lateralspreizelement (s), in particular clamping rib (s) is (are) deformed so that the or the Lateralspreizelement (e), In particular clamping rib (s) in the recess with respect to the cartridge lower and the cartridge top in the vertical direction is free to move (are).
Diese Ausführungsform der Erfindung ermöglicht es in vorteilhafter Weise, durch eine einfache Betätigung des Betätigungselements, nämlich durch ein, beispielsweise druckbeaufschlagtes, Schwenken des Betätigungselements das Lateralspreizelement bzw. die Klemmrippe so zu verformen, dass deren Breitenerstreckung geringer wird als der Abstand der Wandungen der Ausnehmung der Patronenaufnahme, respektive der entlang dieser Wandungen verlaufenden Führungsflächen, so dass das Lateralspreizelement, bzw. die Klemmrippe quasi entriegelt werden kann, wodurch es möglich ist, die Patrone auf einfache Weise aus der Patronenaufnahme zu entfernen oder auch die Patrone in die Patronenaufnahme einzusetzen, wobei eine Entlastung des Betätigungselements dazu führt, dass das Lateralspreizelement, bzw. die Klemmrippe, sich in eine Arretierungsposition bewegt und mit der Wandung der Ausnehmung der Patronenaufnahme in Reib- bzw. Klemmeingriff kommt.This embodiment of the invention makes it possible in an advantageous manner, by a simple actuation of the actuating element, namely by, for example pressurized, pivoting of the actuating element to deform the Lateralspreizelement or the clamping rib so that their width extension is less than the distance between the walls of the recess Cartridge receptacle, respectively, the guide surfaces extending along these walls, so that the Lateralspreizelement, or the clamping rib can be quasi unlocked, whereby it is possible to easily remove the cartridge from the cartridge receptacle or to insert the cartridge in the cartridge receptacle, wherein a Relief of the actuating element causes the Lateralspreizelement, or the clamping rib, moves into a locking position and comes with the wall of the recess of the cartridge receptacle in frictional or clamping engagement.
Zusammenfassend kann somit als wichtiger Punkt der Erfindung ein Aktuator mit Aktuatorelement oder Halterung angesehen werden, welches beim Betätigen eine federstählerne Klemmrippe derart verbiegt, dass diese schmaler wird als die parallelen Führungsflächen der Patronenaufnahme und hierdurch die Klemmwirkung der Klemmrippe komplett aufgehoben wird. Beim Einsetzen arretiert die Klemmrippe sobald diese in den Bereich der parallelen Führungsflächen kommt, wobei eine Verschiebung der gebogenen Klemmrippe nur noch unter Kraftaufwand in Richtung ihrer konvexen Krümmung, jedoch nicht entgegengesetzt möglich ist, so dass die Tintenpatrone in jeder folgenden Position in Richtung der konvexen Krümmung gehalten wird und nicht versehentlich wieder, z.B. durch die Federkraft des Ventils, aus der Führung heraus gedrückt werden kann. Bei einem geeigneten Patronendesign kann die Klemmrippenhalterung zusammen mit dem Aktuator bzw. Betätiger als einstückiges Kunststoffspritzteil gefertigt werden, was besonders kostengünstig ist.In summary, an actuator with actuator element or holder can thus be considered as an important point of the invention, which bends when operating a federstählerne clamping rib such that it is narrower than the parallel guide surfaces of the cartridge receptacle and thereby the clamping action of the clamping rib is completely canceled. When inserting the clamping rib locks as soon as it comes in the region of the parallel guide surfaces, wherein a displacement of the curved clamping rib is only under force in the direction of their convex curvature, but not opposite possible, so that the ink cartridge in each subsequent position in the direction of the convex curvature is held and not accidentally again, eg can be pushed out of the guide by the spring force of the valve. In a suitable cartridge design, the clamping rib support can be made together with the actuator or actuator as a one-piece plastic injection molded part, which is particularly cost.
Bei Patronenaufnahmen mit seitlichen Führungsflächen auf einer Seite der Patrone und einer Begrenzungsfläche auf der gegenüberliegenden Seite genügt diese Befestigung, es braucht keine weitere Verankerung mehr.When cartridge receptacles with lateral guide surfaces on one side of the cartridge and a boundary surface on the opposite side this attachment is sufficient, it needs no further anchoring more.
Es ist jedoch denkbar, auf beiden gegenüberliegenden Seiten Klemmrippen und entsprechende Aktuatoren mit Aktuatorelement oder Halterung einzubauen, welche dann durch gleichzeitiges Betätigen mit zwei Fingern gelöst werden. Dies könnte beispielsweise bei Patronen, die von oben einzusetzen sind, von Vorteil sein.However, it is conceivable to install on both opposite sides clamping ribs and corresponding actuators with actuator element or holder, which then be solved by simultaneously pressing with two fingers. This could be advantageous, for example, for cartridges to be inserted from above.
Wenn die Seite der Patrone mit dem Tintenanschluss schlecht oder gar nicht zugänglich ist, kann an der Patrone auch ein Haltenocken, Halteklaue, Haltekerbe etc. vorgesehen sein, welcher/welche mit einem entsprechenden Halteelement, beispielsweise einer Ausnehmung in der Patronenaufnahme im Drucker zusammenwirkt. Somit kann die Patrone auf dieser ersten Seite beispielsweise mittels Haltenocken positioniert und die Klemmrippe mit dem Aktuator auf der gegenüberliegenden Seite angebracht und arretiert werden.If the side of the cartridge with the ink connection is poor or not accessible, a retaining cam, retaining claw, retaining notch, etc. may be provided on the cartridge, which / which cooperates with a corresponding holding element, for example a recess in the cartridge receptacle in the printer. Thus, the cartridge can be positioned on this first side, for example by means of retaining cams and the clamping rib with the actuator on the opposite side are mounted and locked.
Es ist auch denkbar, dass die Klemmrippe auf der einen Seite eingebaut wird und der Betätigungspunkt des Aktuators auf der anderen Seite. Dabei kann die zur Lösung der Klemmrippe zu übertragende Kraft mittels Hebel, Gestänge, Seilzug oder ähnlichem übertragen werden.It is also conceivable that the clamping rib is installed on one side and the actuation point of the actuator on the other side. In this case, the force to be transmitted to the clamping rib can be transmitted by means of levers, linkage, cable or the like.
Es können auch zwei Klemmrippen auf den gegenüberliegenden Seiten angebracht werden und diese mit nur einem Betätigungspunkt z.B. in der Mitte betätigt werden.It is also possible to attach two clamping ribs on the opposite sides and to apply them with only one actuation point, e.g. be operated in the middle.
Weitere Ausführungsformen der Erfindung ergeben sich aus den Unteransprüchen,Further embodiments of the invention will become apparent from the dependent claims,
Nachfolgend wird die Erfindung anhand eines Ausführungsbeispiels beschrieben, das anhand der Abbildungen näher erläutert wird.The invention will be described with reference to an embodiment which is explained in more detail with reference to the figures.
Hierbei zeigen:
- Fig. 1
- eine perspektivische Ansicht einer erfindungsgemäßen Tintenpatrone;
- Fig. 2a und 2b
- eine erfindungsgemäße Tintenpatrone während des Einsetzens in eine Patronenaufnahme sowie in in der Patronenaufnahme fixiertem Zustand in seitlicher Ansicht;
- Fig. 3
- die Ausführungsform gemäß
Fig. 2b in geschnittener Rückansicht; und - Fig. 4a bis 4c
- verschiedene Darstellungen einer erfindungsgemäßen Patronenrückseite mit Stützelement, Führungselement und Klemmrippe(n).
- Fig. 5
- eine perspektivische Ansicht einer erfindungsgemäßen Tintenpatrone gemäß einer weiteren Ausführungsform;
- Fig. 6
- die Ausführungsform gemäß
Fig. 5 in geschnittener Rückansicht; - Fig. 7a bis 7c
- eine erfindungsgemäße Tintenpatrone gemäß der in
Fig. 5 dargestellten Ausführungsform während des Einsetzens in eine Patronenaufnahme sowie in in der Patronenaufnahme fixiertem Zustand in seitlicher Ansicht; und - Fig. 8
- eine seitliche Ansicht einer weiteren erfindungsgemäßen Ausführungsform.
- Fig. 1
- a perspective view of an ink cartridge according to the invention;
- Fig. 2a and 2b
- an ink cartridge according to the invention during insertion into a cartridge receptacle and in the cartridge receptacle fixed state in a side view;
- Fig. 3
- the embodiment according to
Fig. 2b in cut rear view; and - Fig. 4a to 4c
- different representations of a cartridge back of the invention with support element, guide element and clamping rib (s).
- Fig. 5
- a perspective view of an ink cartridge according to the invention according to a further embodiment;
- Fig. 6
- the embodiment according to
Fig. 5 in cut rear view; - Fig. 7a to 7c
- an ink cartridge according to the invention according to the in
Fig. 5 illustrated embodiment during insertion into a cartridge receptacle and in the cartridge receptacle fixed state in a lateral view; and - Fig. 8
- a side view of another embodiment of the invention.
In der nachfolgenden Beschreibung werden für gleiche und gleich wirkende Teile dieselben Bezugsziffern verwendet.In the following description, the same reference numerals are used for the same and like parts.
In
Die
Des Weiteren ist in
Das Bezugszeichen 58c kennzeichnet einen gespannten Zustand der Klemmrippe 58, der ein Herausnehmen der Tintenpatrone 10 aus der Patronenaufnahme 56 ermöglicht. Dieser Klemmrippenzustand 58c wird dadurch erreicht, dass in
Die
Das Einsetzen der Tintenpatrone 10 in die Patronenaufnahme 56 erfolgt gemäß
In
Zusammenfassend lassen sich die vorteilhaften Merkmale der Erfindung festhalten wie folgt:
- An der Patronenrückseite der oben beschriebenen Tintenpatrone wird ein festes bzw. formstabiles Stützelement angebracht, welches sich von der Patronenunterseite her derart nach oben erstreckt, dass sich die Tintenpatrone mit diesem Stützelement exakt in die Patronenaufnahme positioniert. Ebenfalls auf der Patronenrückseite gegen das obere Ende des Stützelementes befindet sich die im Wesentlichen horizontale Klemmrippe, welche breiter ausgestaltet ist als die entsprechende Ausnahme an der Patronenaufnahme und sich beim Einsetzen derart verklemmt, dass die Tintenpatrone sicher in Position gehalten wird. Die Klemmrippe kann für hohe Belastungen auch aus einem härteren Material als das Patronengehäuse hergestellt werden, zum Beispiel aus Federstahl.
- On the back of the cartridge of the above-described ink cartridge, a fixed support member is attached, which extends from the cartridge bottom side up so that the ink cartridge with this support exactly positioned in the cartridge receptacle. Also on the back of the cartridge against the upper end of the support member is the substantially horizontal clamping rib which is made wider than the corresponding exception on the cartridge receptacle and jammed in place such that the ink cartridge is securely held in position. The clamping rib can be made for high loads and a harder material than the cartridge case, for example made of spring steel.
Der Kern der Erfindung ist, dass auf diese Weise die Tintenpatrone ohne einen nachteiligen elastischen Eingriffsabschnitt in den Halter eingesetzt werden kann, wobei die nachteiligen Merkmale des Schnappers gänzlich fehlen. Die erfindungsgemäßen Ausführungen sind in der Handhabung deutlich einfacher und ein versehentliches Verklemmen oder Verkannten wird vermieden.The gist of the invention is that, in this way, the ink cartridge can be inserted into the holder without a disadvantageous elastic engaging portion, completely omitting the disadvantageous features of the snapper. The embodiments of the invention are much easier to handle and accidental jamming or jamming is avoided.
Die wesentlichen Kernpunkte der Ausführungsform gemäß
- Aufbau:
Auf der Patronenrückseite 54ist das Stützelement 52 fest angebracht.Die Klemmrippe 58 wirdvon diesem Stützelement 52 in der Mitte positioniert und seitlichvon der Klemmrippenhalterung 30, welche einstückig aufdem Aktuator 20 aufgebaut ist, geführt. - Einsetzen:
Die Tintenpatrone 10 wird zuerstmit dem Haltenocken 46 in die entsprechende Ausnahme der Patronenaufnahme 56 eingesetzt. Anschließend wird dieTintenpatrone 10 inEinsetzrichtung 48 nach unten gedrückt, so dass diebeiden Führungselemente 62 indie Ausnehmung 60 gelangen und mit der Klemmrippe 58a, welche in dieser Position breiter ist als dieFührungsbreite 44, an dieser aufliegen. Jetzt wird dieTintenpatrone 10 weiter nach unten gedrückt, so dass dadurch die Klemmrippe mehr gebogen wird wie in 58b dargestellt. Gleichzeitig wird dadurch ebenfalls der Aktuator 20 inder Führungsnut 32 nach oben geschoben und der Betätigungspunkt bzw.das Betätigungselement 18 kommt näher andie Patronenrücksseite 54, da der obere Teil des Aktuators sich umden Drehpunkt 22am Filmscharnier 24 verbiegt. Ist dieTintenpatrone 10 ganz inder Patronenaufnahme 56 eingesetzt, wird sie durch die Klemmwirkung der Klemmrippe 58b anden Führungsflächen 42a und 42b gehalten. - Herausnehmen: Wird der Betätigungspunkt bzw.
das Betätigungselement 18 gedrückt, dreht sich der obere Teil weiter um den Drehpunkt bzw. dieDrehachse 22, so dass sich dadurch die Klemmrippe weiter zurForm 58c verbiegt, welche schmaler ist als dieFührungsbreite 44 und so die Klemmwirkunggegenüber den Führungsflächen 42a und 42b verliert. In diesem Zustand kann dieTintenpatrone 10 leicht aus der Patronenaufnahme 56 herausgenommen werden. Lässt man den Druck auf den Betätigungspunkt bzw.das Betätigungselement 18 los, streckt sich die Klemmrippe zurForm 58a zurück.
- Construction: On the back of the
cartridge 54, thesupport member 52 is firmly attached. The clampingrib 58 is positioned by thissupport element 52 in the middle and guided laterally by the clampingrib holder 30, which is constructed in one piece on theactuator 20. - Insertion: The
ink cartridge 10 is first inserted with the retainingcam 46 into the corresponding exception of thecartridge receptacle 56. Subsequently, theink cartridge 10 is pushed down in theinsertion direction 48, so that the twoguide elements 62 reach into therecess 60 and with the clampingrib 58 a, which is wider in this position than theguide width 44, resting on this. Now, theink cartridge 10 is further pushed down, thereby more bending the clamping rib, as shown in Fig. 58b. At the same time, theactuator 20 in theguide groove 32 is thereby also pushed upward and the actuating point or theactuating element 18 comes closer to the cartridgerear side 54, since the upper part of the actuator bends around thepivot point 22 on thefilm hinge 24. When theink cartridge 10 is fully inserted in thecartridge receptacle 56, it is held by the clamping action of the clampingrib 58b on the guide surfaces 42a and 42b. - Removal: If the actuation point or the
actuation element 18 is pressed, the upper part continues to rotate about the pivot point or therotation axis 22 so that the clamping rib thus continues to bend to form 58c, which is narrower than theguide width 44 and thus the clamping effect relative to the guide surfaces 42a and 42b loses. In this state, theink cartridge 10 can be easily taken out of thecartridge receptacle 56. If one lets go of the pressure on the actuation point or theactuating element 18, the clamping rib extends back to themold 58 a.
- 1010
- Tintenpatroneink cartridge
- 1212
- Gehäusecasing
- 1616
- Tintenanschlussink connection
- 1818
- Betätigungselementactuator
- 2020
- Aktuatoractuator
- 2121
- Aktuatorelementactuator
- 2222
- Drehachse/KippachseAxis of rotation / tilt axis
- 2424
- Filmscharnierfilm hinge
- 2626
- Patronenunterseite/UnterseiteCartridge base / bottom
- 3030
- KlemmrippenhalterungClamping rib carriage
- 3232
- Führungsnutguide
- 3434
- Datenspeicherdata storage
- 3636
- PatronenoberseiteCartridge top
- 3838
- Belüftungsöffnungventilation opening
- 4040
- Deckelcover
- 4242
- Führungsflächeguide surface
- 42a42a
- linke Führungsflächeleft guide surface
- 42b42b
- rechte Führungsflächeright guide surface
- 4444
- Führungsbreiteguide width
- 4646
- Haltenockenholding cams
- 4848
- Einsetzrichtunginsertion
- 5252
- Stützelementsupport element
- 5454
- PatronenrückseiteCartridges back
- 5656
- Patronenaufnahmecartridge receiver
- 5858
- Klemmrippe/Lateralspreize lementClamping rib / Lateral spreader lement
- 58a58a
- entspannte Klemmrippenpositionrelaxed clamping rib position
- 58a58a
- Mittelstellung/Arretierung sposition der KlemmrippeCenter position / locking position of the clamping rib
- 58c58c
- gespannte Klemmrippenposition zur Entnahmetensioned clamping rib position for removal
- 6060
- Ausnehmungrecess
- 6262
- Führungselementguide element
Claims (14)
- Ink cartridge (10) for insertion into a cartridge receptacle (56) of an inkjet printer, having- a housing (12), in which at least one ink reservoir chamber is located, and- an ink port (16) for connecting the ink reservoir chamber to a supply port provided on the inkjet printer when the ink cartridge (10) is inserted into the cartridge receptacle (56),the housing (12) having a cartridge front side, which is located at the front in the direction of insertion of the ink cartridge (10) into the cartridge receptacle (56), a cartridge rear side (54), which is located opposite the front side on the rear-side end of the ink cartridge (10) in the direction of insertion, two side faces, which are located opposite one another, as well as a cartridge underside (26) and a cartridge upper side (36),
characterised in that
on the cartridge rear side (54) there is(are) provided at least one lateral bracing element (58), preferably two lateral bracing element(s) (58) spaced apart from one another vertically relative to the cartridge underside (26) and the cartridge upper side (36), for lateral fixing of the ink cartridge (10) in a recess (60) in the cartridge receptacle (56), which recess is associated with the cartridge rear side (54), the lateral bracing element(s) (58) being in the form of (a) substantially horizontally extending clamping rib(s) (58). - Ink cartridge according to claim 1,
characterised in that
on the cartridge rear side (54) there is provided at least one, preferably dimensionally stable, supporting element (52) which extends from the cartridge underside (26) in the direction towards the cartridge upper side (36). - Ink cartridge according to claim 2,
characterised in that
the supporting element(s) (52) is(are) arranged symmetrically relative to the lateral boundaries of the cartridge rear side (54). - Ink cartridge according to any one of the preceding claims,
characterised in that
the lateral bracing elements(s) (58) comprise, at least in part, a harder material, for example spring steel, than that of the cartridge receptacle (56). - Ink cartridge according to any one of the preceding claims,
characterised in that
the lateral bracing elements(s) (58), especially clamping rib(s) (58), is(are) wider than the recess (60) of the cartridge receptacle (56). - Ink cartridge according to any one of the preceding claims,
characterised in that
the lateral bracing element(s) (58), especially clamping rib(s) (58), is(are) joined to the cartridge rear side (54) and/or to the supporting element(s) (52). - Ink cartridge according to any one of the preceding claims,
characterised in that
on the cartridge rear side (54) there is provided at least one guide element (62) which is joined to the cartridge rear side (54) and/or to the supporting element(s) (52). - Ink cartridge according to any one of the preceding claims,
characterised in that
the lateral bracing elements(s) (58), especially clamping rib(s) (58), and/or the at least one guide element (62) have at least one curve in the direction towards the cartridge upper side (36). - Ink cartridge according to any one of the preceding claims,
characterised in that
the lateral bracing elements(s) (58), especially clamping rib(s) (58), and/or the at least one guide element (62) are arranged symmetrically with respect to the supporting element(s) (52) in a region of contact with the recess (60) of the cartridge receptacle (56). - Ink cartridge according to claim 9,
characterised in that
the lateral bracing elements(s) (58), especially clamping rib(s) (58), has(have) profiling, especially teeth, in the region of contact with the recess (60) of the cartridge receptacle (56). - Ink cartridge according to any one of the preceding claims,
characterised in that
for easier removal of the ink cartridge from the cartridge receptacle (56) there is provided on the ink cartridge at least one release means by means of which at least one of the lateral bracing element(s) (58) can be moved out of a detent position into a release position. - Ink cartridge according to any one of the preceding claims,
characterised in that
the lateral bracing element(s) (58), especially clamping rib(s) (58), at least when in the release position, is(are) each supported laterally by an actuator element (21) and/or guided in a holding means (30), the lateral bracing element(s) (58), especially clamping rib(s) (58), when in the detent position, each projecting laterally beyond the actuator element (21) or the holding means in the direction towards a guide surface (42). - Ink cartridge according to claim 12,
characterised in that
the actuator element (21) and/or the holding means (30) is connected to an actuating element (18), especially by way of levers, a rod arrangement or one or more pull cords or tapes, or preferably is made in one piece therewith, for example is connected thereto by way of a film hinge. - Ink cartridge according to claim 13,
characterised in that
the actuating element (18) is movably arranged on the ink cartridge, especially arranged so as to be movable, preferably pivotable, about a rotational or tilting axis (22), wherein when the actuating element (18) is moved, especially when under tension, the actuator element (21) and/or the holding means (30) is/are pressed against the lateral bracing element(s) (58), especially clamping rib(s) (58), the lateral bracing element(s) (58), especially clamping rib(s) (58), being deformed in such a way that the lateral bracing element(s) (58), especially clamping rib(s) (58), is(are) freely movable in the recess (60) in the vertical direction relative to the cartridge underside (26) and the cartridge upper side (36).
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102010016776 | 2010-05-04 | ||
DE201010016959 DE102010016959A1 (en) | 2010-05-04 | 2010-05-14 | ink cartridge |
Publications (3)
Publication Number | Publication Date |
---|---|
EP2384896A2 EP2384896A2 (en) | 2011-11-09 |
EP2384896A3 EP2384896A3 (en) | 2012-06-20 |
EP2384896B1 true EP2384896B1 (en) | 2013-09-04 |
Family
ID=44117528
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP20110163008 Not-in-force EP2384896B1 (en) | 2010-05-04 | 2011-04-19 | Ink cartridge |
Country Status (2)
Country | Link |
---|---|
EP (1) | EP2384896B1 (en) |
DE (1) | DE102010016959A1 (en) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US9358818B2 (en) * | 2013-03-14 | 2016-06-07 | Fujifilm Dimatix, Inc. | Fluid ejection module mounting |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE69535881D1 (en) | 1994-08-24 | 2008-12-11 | Canon Kk | Ink tank for inkjet printers |
US5825387A (en) * | 1995-04-27 | 1998-10-20 | Hewlett-Packard Company | Ink supply for an ink-jet printer |
CA2379725C (en) * | 2001-04-03 | 2007-06-12 | Seiko Epson Corporation | Ink cartridge |
SI1424202T1 (en) * | 2002-11-26 | 2006-06-30 | Seiko Epson Corp | Ink cartridge and recording apparatus |
-
2010
- 2010-05-14 DE DE201010016959 patent/DE102010016959A1/en not_active Withdrawn
-
2011
- 2011-04-19 EP EP20110163008 patent/EP2384896B1/en not_active Not-in-force
Also Published As
Publication number | Publication date |
---|---|
DE102010016959A1 (en) | 2011-12-01 |
EP2384896A3 (en) | 2012-06-20 |
EP2384896A2 (en) | 2011-11-09 |
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