巴西专利BR112013009626B1 INK CARTRIDGE FOR AN INK JET PRINTER

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专利摘要:
cartridge. fluid cartridge (3) including interfaces, arranged to be guided in a straight line to connect the interfaces.
公开号:BR112013009626B1
申请号:R112013009626-8
申请日:2010-10-22
公开日:2020-12-15
发明作者:David C. Harvey；Curt Gonzales；Ralph Stathem；David Olsen；David Welter
申请人:Hewlett-Packard Development Company, L.P.；
IPC主号:

专利说明:

Background of the invention
[001] Fluid cartridges are subassemblies to be exchanged with a corresponding fluid ejection set. A common fluid cartridge is an ink cartridge. A common fluid ejection assembly is a printer. In general, two types of ink cartridges can be distinguished. A first type consists of an integrated printhead cartridge, where the cartridge comprises a printhead. A second type consists of an individual ink container. An ink cartridge is connected to a printer receiving frame. The receiving frame and ink cartridges are provided with the correct interfaces to guide ink from the cartridge to the print head for printing. In addition to the ink interface, an air interface, a locking interface, an electrical interface and an alignment interface can be provided in the ink cartridge and its receiving structure. The air interface transports air to and from the cartridge, primarily for pressure control inside the cartridge. The latching interface ensures that the respective cartridge is seated in the correct ink cartridge receiving structure. The alignment interface ensures that the interfaces are well aligned for connection. The electrical interface sends electrical signals between a printer control circuit and the ink cartridge. The signs may relate to ink cartridge characteristics.
[002] An extra lock is usually provided to maintain substantially air and liquid-tight connections between the cartridge and the receiving frame. The extra lock must also maintain the electrical connection. A known locking technique involves using a ring to keep the cartridge sealed with the receiving bay. Another known locking technique uses a deformable locking tongue that engages a notch to keep the cartridge sealed.
[003] Known locking mechanisms tend to consume a relatively large amount of space inside the printer. In addition, significant force may be required to establish the lock. In some cases, the cartridge is inserted in an inclined orientation, after which it is rotated back to the normal position to produce the interface contact. This usually involves the deflection of contact elements such that incorrect interface connections, leakage, and material wear or damage are likely to occur. Brief description of the drawings
[004] For the purpose of illustration, certain configurations of the present invention will now be described with reference to the accompanying diagrammatic drawings in which:
[005] Figure 1 illustrates a diagram of a configuration of a fluid ejection system, in front view;
[006] Figure 2 illustrates a diagram of the configuration of the fluid ejection system of figure 1, in side view;
[007] Figure 3 illustrates a side cross-sectional view of part of a configuration of a fluid ejection system with a fluid cartridge in an unconnected state;
[008] Figure 4 illustrates a configuration of a detail of a receiving structure for a fluid cartridge, in front view;
[009] Figure 5 illustrates a perspective view of a fluid cartridge configuration;
[0010] Figure 6 illustrates another perspective view of a configuration of the fluid cartridge of Figure 5, clearly showing a guide track and a locking track;
[0011] Figure 7 illustrates a cross-sectional side view of the configuration of the part of the fluid ejection system of Figure 3 where the fluid cartridge is connected to the cartridge receiving structure;
[0012] Figure 8 illustrates a flow diagram of a method configuration for connecting a fluid cartridge to a receiving structure;
[0013] Figure 9 illustrates a flow diagram of an additional configuration of a method for connecting and disconnecting a fluid cartridge with respect to a receiving structure;
[0014] Figure 10 illustrates a diagrammatic bottom cross-sectional view of a configuration of a fluid cartridge and a cartridge receiving structure, in a first connection stage of the fluid cartridge, where the locking arrangement is produced semitransparently by illustration reasons;
[0015] Figure 11 illustrates a diagrammatic bottom cross-sectional view of the configuration of the fluid cartridge and the cartridge receiving structure of Figure 10, in a second connection stage of the fluid cartridge, where the locking arrangement is produced semitransparent for illustration reasons;
[0016] Figure 12 illustrates a diagrammatic bottom cross-sectional view of the configuration of the fluid cartridge and the cartridge receiving structure of figures 10 and 11, in a third connection stage of the fluid cartridge, where the locking arrangement is semi-transparent for illustration purposes;
[0017] Figure 13 shows a diagrammatic cross-sectional bottom view of the fluid cartridge configuration and the cartridge receiving structure of Figs. 10-12, in a final connection stage of the fluid cartridge, where the locking arrangement is produced semitransparent for the sake of illustration;
[0018] Figure 14 illustrates a diagrammatic bottom cross-sectional view of the fluid cartridge configuration and the cartridge receiving structure of figs. 10-13, in a first stage of disconnecting the fluid cartridge, where the locking arrangement is produced semitransparent for the sake of illustration; and
[0019] Figure 15 illustrates a diagrammatic bottom cross-sectional view of the configuration of the fluid cartridge and the cartridge receiving structure of Figs. 10-14, in a second stage of disconnecting the fluid cartridge, where the locking arrangement is produced semitransparent for the sake of illustration. Detailed Description
[0020] In the following detailed description, reference is made to the attached drawings. The configurations in the description and drawings should be considered illustrative and should not be considered as limited to the specific configuration or element described. Additionally, it can be understood that other configurations and elements that are not literally disclosed can be derived from the description and drawings by a person skilled in the art.
[0021] In this description, reference can be made to a three-dimensional space comprising a geometric axis X, Y and Z. The direction of insertion and unidimensional injection of the cartridge 3 is parallel to the geometric axis Y. The geometric axis Y is also referred to with a straight line Y.
[0022] Figs. 1 and 2 show a fluid ejection system 1. The fluid ejection system 1 comprises a fluid ejection device 2 and fluid cartridges 3. The fluid ejection device 2 can comprise a printer. The printer can be an inkjet printer, for example a thermal inkjet printer, or a continuous inkjet printer. The ejection device 2 comprises one or more receiving structures 4 for receiving and exchanging one or more corresponding fluid cartridges 3. Each cartridge 3 of the same fluid ejection device 2 can comprise a different fluid. If the fluid ejection device 2 is a printer, the fluid in each cartridge 3 may comprise ink of a specific color, for example, cyan, magenta, yellow, black and / or gray. The cartridges 3 are arranged to be exchanged with respect to the respective receiving structure 4.
[0023] Receiving frames 4 are arranged to connect cartridge 3 to the printhead 4. A fluid supply 6 is provided to receive fluid from the respective cartridges 3, and supply the fluid to the printhead 5. On configuration shown, the receiving structures 4 and the cartridges 3, when installed, are arranged outside the geometric axis. The printhead 5 may comprise a page width arrangement (PWA) printhead or a raster printhead. The receiving structure 4 is arranged to establish a fluid interface between the cartridge 3 and the printhead 5, through the supply of fluid 6. During printing a media 7 extends under the printhead 5. In other configurations (not shown), the receiving frames 4 and the cartridges 3, when installed, are arranged on a scanning geometric axis. In additional configurations, cartridge 3 comprises an integrated printhead, the fluid volume and the printhead being integrated into a cartridge supply to be connected to the receiving frame.
[0024] The fluid ejection device 2 is provided with a control circuit 8 and a memory 9. The fluid cartridge 3 is provided with an electrical circuit of cartridge 10, for example including a memory of cartridge 11. The circuit of control 8 is arranged to retrieve data from the cartridge 10 electrical circuit. The data comprises certain cartridge characteristics, for example product characteristics, fluid type characteristics and / or fluid quantity characteristics.
[0025] Figure 3 shows a receiving structure 4 and a fluid cartridge 3 in a position just before or after installation. At installation (figure 7), all interfaces of the receiving structure 4 and the fluid cartridge 3 are interconnected. The receiving structure 4 may comprise a slot-shaped opening into which the cartridge 3 is inserted. A part of the receiving structure 4 can be arranged to guide the cartridge 3 in connection with the guide 17 for movement along the straight line Y. Arrow A indicates an insertion movement of the cartridge 3, along the one-dimensional straight line Y, represented by the geometric axis Y. Since the fluid cartridge 3 contacts the guide 17, its insertion movement is substantially confined to movement along the straight line Y. In principle, there is no movement along a geometric axis Z and X and there is substantially no rotational movement of the cartridge 3, during insertion and ejection along the guide 17. However, the skilled person will understand that a certain amount of play, margin or tolerance in the interfaced materials of the cartridge 3 and receiving structure 4, such like tab 17, can be allowed. In one configuration, the offset margin is approximately 3 millimeters or less, in a direction perpendicular to the straight line Y, and approximately 3 ° or less around the straight line Y, or the geometric axis Z or geometric axis X. These margins can still allow the correct connection of the cartridge 3 to the receiving structure 4.
[0026] The receiving structure 4 comprises two fluidic interfaces. Fluid interfaces include a first fluid pen 12 and a second fluid pen 13. The first fluid can be a printing fluid such as ink. The second fluid can be a gas such as air. Pens 12, 13 are arranged to establish a fluid connection with corresponding first and second fluid cartridge interfaces. The first and second fluid cartridge interfaces can comprise a first and second socket 14, 15, respectively. Pens 12, 13 have central geometric axes C1, C2, respectively, which are parallel to the geometric axis Y. In one configuration (not shown), the receiving structure 4 has only a fluidic interface, for example a pen. In another configuration (not shown), the receiving structure 4 has more than two such fluidic interfaces.
[0027] In one configuration, the first fluid pen 12 comprises an ink pen. The first fluid pen 12 has a relatively small diameter in its mouth 16. The first fluid pen 12 has a longitudinal shape. The first fluid pen 12 has a conical, truncated shape. The first fluid pen 12 can be made of molded plastic. The receiving structure 4 comprises a guide 17 for guiding the cartridge 3 along the one-dimensional direction Y at insertion and ejection. The guide 17 may be longer than the first fluid pen 12, or at least approximately the same length, for the correct insertion of the pen 12 into the corresponding socket 14, and to prevent breaking or flexing of the pen 12 on insertion or ejection. This allows the pen 12 to be made of relatively inexpensive molded plastic.
[0028] In one configuration, the second fluid pen 13 comprises a gas interface for controlling the pressure in the internal volume of the fluid cartridge 3. The gas can comprise ambient air. In an additional configuration, the second fluid pen 13 is arranged to connect to the second fluid interface with socket shape 15, which in turn can connect to a pressure bag in the internal volume of the cartridge. The second pen 13 has a conical, truncated shape. The second fluid pen 13 can be made of molded plastic. The guide 17 may be longer than the second fluid pen 13, or at least approximately the same length, for correctly inserting the second fluid pen 13 into the corresponding second fluid interface 15, and to avoid breaking or flexing the second fluid pen. fluid 13 at insertion or ejection. This allows the pen 13 to be produced from relatively inexpensive molded plastic.
[0029] Guide 17 and / or the corresponding guide interface confine the movement of insertion and ejection of cartridge 3 to one dimension. This allows for relatively long and deep interfaces 12, 13 and 14, 15, respectively. The respective pen 12, 14 can be at least 5 mm long, or at least 10 mm long. The corresponding socket 14, 15 can have a depth of at least approximately 3 millimeters, or at least approximately 5 millimeters, or approximately 10 millimeters.
[0030] In one configuration, the receiving structure 4 comprises a connector circuit 18 for interconnecting the control circuit 8 of the fluid ejection device 2 with the electrical circuit of cartridge 19. In figure 3, the rear side of the connector circuit 18 is shown. In figure 4, a configuration of a connector circuit 18 is shown in a plane formed by the geometric axes X and Z. The connector circuit 18 comprises connector electrodes 20. The electrodes 20 can extend along a line P approximately parallel to the axis geometric Z, perpendicular to the straight line Y. When the cartridge 3 is inserted or ejected along the straight line Y, the electrical circuit of the cartridge 19 moves along the electrodes 20 until they are connected. Connector circuit 18 is arranged to connect from side to cartridge electrical circuit 19, in a direction B transverse to the straight line Y. In the drawings, the transverse direction B is parallel to the geometric axis X. In an installed condition of the cartridge 3, the connector circuit 18 and the cartridge electrical circuit 19 extend close together as seen from the direction of movement along the straight line Y. In the configuration shown, the electrodes 20 comprise pins. The connector electrodes 20 are arranged to be moved in the transverse direction B. The electrodes 20 may comprise resilient members that are forced against the electrical circuit of cartridge 19 for electrical connection. The electrodes 20 are pushed back by the electrical circuit of cartridge 19 during the insertion of cartridge 3. During insertion, the connector electrodes 20 can slide over the electrical circuit of cartridge 19 until cartridge 3 is locked in the receiving frame 4 and the electrodes 20 establish correct contact with the corresponding electrical circuit of cartridge 19. At the same time, the resilient members push the electrodes 20 against the electrical circuit 19 for better electrical connection. When the cartridge 3 is ejected out again, the electrodes 20 move outwards due to resilient force.
[0031] The fluid ejection device 2 may comprise at least two different reception interlocking interfaces 22. In one configuration, each reception structure 4 is provided with a specific reception interlocking interface 22 that is different from the other reception interlocking interfaces. receiving locking 22 of the other receiving structures 4. The receiving locking interface 22 corresponds to a particular ink color, for example cyan, magenta, yellow or black. In one configuration, the fluid ejection device 2 comprises a specific receiving locking interface 22 for each particular fluid cartridge 3. In one configuration, the fluid ejection device 2 comprises four receiving structures 2 with four respective interface interfaces. reception blocking 22, each corresponding to a specific color fluid cartridge 3 having a corresponding cartridge blocking interface 24.
[0032] Fluid ejection device 2 comprises receiving structures 4 having receiving interlocking interfaces 22 arranged to allow connection with a cartridge 3 with interlocking interlocking interfaces 24, and preventing connection with fluid cartridges 3 which are arranged with cartridge matching interfaces not matching 24. For example, a first receiving blocking interface 22 comprises a first notch 23 or cutout. A first cartridge blocking interface combining 24 of a corresponding cartridge 3 comprises a corresponding notch or inverted cutout 25 that during insertion is not blocked by the first receiving blocking interface 22, but is blocked when inserted into other receiving structures with other receive blocking interfaces 22. Likewise, the other cartridges 3 have a second, third, fourth, and / or additional cartridge blocking interfaces 24 that do not match the first receive blocking interface 22. The second, third, fourth, and / or additional receive blocking interfaces do not match the first cartridge blocking interface 24. Blocking interfaces 22, 24 prevent ink colors from the respective cartridge 3 and receiving structures 4 from matching.
[0033] The interlocking interface 22 of the receiving structure 4 can be arranged close to the connector circuit 18. The corresponding interlocking interface 24 of the cartridge 3 can be arranged close to the electrical circuit of the cartridge 19. If the interlocking interfaces 22, 24 combine, they can contact from the side such that circuits 18, 19 can be pressed into contact. If the interlocking interfaces 22, 24 do not match, no electrical contact can be made. On the other hand, no electrical contact is produced between the connector circuit 18 and the cartridge electrical circuit 19 if the interlocking interfaces do not match. On the other hand, a correct contact between the interconnection circuits 18, 19 is aided by the respective locking interfaces 22, 24 of the receiving structure 4 and the cartridge 3, respectively.
[0034] The guide 17 is arranged to guide the corresponding fluid cartridge 3 along the straight line Y. The guide 17 is arranged to contact a corresponding guide interface of the cartridge 3, for example a guide track 21. The guide 17 comprises a rail that extends parallel to the geometric axis Y. The guide 17 is longer than each of the pens 13, to ensure the correct alignment of the pens 12, 13 with the respective sockets 14, 15. This can be provided for a good interconnection without leaks and can prevent the deformation of pens 12, 13. Guide 17 can comprise a T rail to contact the corresponding guide track 21 of cartridge 3. A T rail prevents rotation of cartridge 3 around the straight line of movement Y, as well as around the other X, Z geometry axes.
[0035] The receiving structure 4 comprises a lock arrangement 26 for locking the cartridge 3. In the configuration shown, the lock arrangement 26 comprises a lock 27, arranged to be guided by a corresponding lock track 28 of the cartridge 3, between one locked and one unlocked position. The lock 27 can be arranged at the bottom of the receiving structure 4 to contact the bottom 35 of the cartridge 3. The lock arrangement 26 can comprise a lock pivot 29 and a pivot arm 29B, to allow movement of the lock 27 between a a locked and an unlocked position, pivoting around a hinge geometric axis L. In the drawing, the hinge geometric axis L is perpendicular to the straight line Y, parallel to the geometric axis Z. In one configuration, lock 27 is forced around of the geometric axis of articulation L, as a return to an initial position after the ejection of the cartridge 3, and in order to contact the respective lock track walls.
[0036] In a configuration, lock 27 comprises a pin. In a locked position, lock 27 contacts a corresponding lock stop 30 of cartridge 3. In an unlocked position, lock 27 is disengaged from lock stop 30 such that cartridge 3 can be released from the receiving frame 4 Lock 27 can extend over the top of pivot arm 29B. In an installed condition of cartridge 3, lock 27 extends on lock track 28 while pivot 29 and pivot arm 29B extend below the bottom 34 of cartridge 3. In the configuration shown, lock arrangement 26 comprises limits of lock 29C to limit the movement of lock 27. In one configuration, lock limits 29C are arranged to contact and limit the movement of the lock pivot arm 29B. In an inserted condition of cartridge 3 the lock limits 29C extend under cartridge 3.
[0037] The cartridge receiving structure 4 comprises an ejector 31. Figure 3 shows the ejector 31 in an uncompressed state, after ejection or before inserting the cartridge 3. Each receiving structure 4 comprises an ejector 31. The ejector 31 is forced in a direction parallel to the straight line Y. The ejector 31 may comprise a spring, or another resilient element, for example an elastomeric element. The spring may comprise a helical spring. When the fluid cartridge 3 is inserted and locked, the guide end 44 of the ejector 31 contacts the front face 33 of the cartridge 3. In the configuration shown, the central axis C2 of the spring is equal to the central axis C2 of the second fluid pen 13. The second fluid pen 13 extends into the spring. The coil spring is attached to a base 32 of the second fluid pen 13. The size of the ejector spring is such that in an uncompressed condition of the coil spring (figure 3), the cartridge 3 can be removed by hand.
[0038] Ejector 31 is arranged to push cartridge 3 out of the receiving frame 4. In an installed and locked condition, cartridge 3 is retained in the receiving frame 4 by latch 27, while compressing ejector 31. The latch 27 can be directed from a locked to an unlocked position by further pushing the cartridge 3 against the force of the compressed ejector 31 along the straight line Y, as will be further explained below. In an unlocked position, the latch 27 releases the cartridge 3, and the ejector 31 decompresses in order to eject the cartridge 3 in a direction out of the receiving frame 4 along the straight line Y.
[0039] Figs. 5 and 6 illustrate a configuration of a fluid cartridge 3 in perspective view. Figure 5 clearly represents the front face 33, while figure 6 more clearly represents the bottom face 35. In the configurations shown, the fluidic, electrical and switching interfaces are arranged on the front face 33. The guide interface, locking track 28 and lock stop 30 are arranged on the bottom face 35.
[0040] The fluid interfaces of the cartridge 3 comprise a first fluid interface of the cartridge for a first fluid and a second fluid interface of the cartridge for a second fluid. In one configuration, the first fluid comprises a printing fluid or liquid such as ink, and the second fluid comprises a gas such as air. In the configuration shown, the first and second fluid cartridge interfaces comprise a first and a second socket 14, 15, respectively, arranged to receive and transport fluid from and / or to respective pens 12, 13, respectively. The first socket 14 can be connected to an internal volume of the cartridge 3. The second socket 15 can be connected to a pressure bag in the internal volume of the cartridge 3.
[0041] The depth of the respective socket 14, 15 is approximately the same as or shorter than a length of the guide 17 or guide track 21, to receive the respective pen 12, 13 after contact of the cartridge 3 with the guide 17, to ensure correct alignment with the respective pen 12, 13. The central geometric axes C1, C2 of sockets 14, 15 are parallel to the straight line Y. In an installed condition of cartridge 3, the central geometric axes C1, C2 of sockets 14, 15 they are approximately equal to the central geometric axes C1, C2 of the respective fluid reception interfaces 12, 13.
[0042] The cartridge 3 may comprise an ejector alignment interface 36 on the front face 33. In one configuration, the ejector alignment interface 36 is arranged near and / or around the fluidic cartridge interfaces, which in the configuration shown are arranged as sockets 14, 15. In the configuration shown, the ejector alignment interface 36 is arranged around the second socket 15, having the same central geometric axis C2 with the second socket 15, and in an inserted condition of the cartridge 3, the same central geometric axis C2 as the second pen 13. In the example shown, the ejector alignment interface 36 comprises a ring, for example in the shape of an edge or flange around the second socket 15, to contact the inner circumference of the end spring-shaped ejector guide 31 to align and hold ejector 31 in position when contacting cartridge 3.
[0043] The first socket 14 comprises the seal ring 37 for receiving the first pen 12. The seal ring 37 comprises resilient material, for example elastomeric material, for at least substantially fluidly enclosing the first fluid pen 12, in a connected condition of the first pen 12. As will be further explained below, in an insertion stage and ejection stage, the pen 12 is additionally inserted into the first socket 14, compared to a position where the pen 12 is connected for printing . Therefore, the seal ring 37 is arranged to allow additional deformation, to allow such additional insertion of the first pen 12. The inner diameter of the seal ring 37 is such that it fluidly closes the first pen 12 from a narrow portion. from the conical shape of the pen 12 to a wider portion. For example, pen 12 may have a smaller diameter of approximately 2.0 and a larger diameter of approximately 2.3 millimeters across the cone shape. In other configurations the pen 12 may have a smaller diameter of at least approximately 1.5 and / or a larger diameter of approximately 3.5 millimeters or smaller along the cone shape of the pen 12. Again, additional configurations may have smaller diameters and / or greater, respectively.
[0044] Seal ring 37 is arranged to fluidly seal the first pen 12 over a substantial part of the length of the first pen 12. In one configuration, the inner diameter of seal ring 37 is approximately 1.2 millimeter. Depending on the diameter of the pen 12, in other configurations the inner diameter of the seal ring 37 can be between approximately 0.6 and approximately 3.0 millimeters. The inner diameter of the seal ring 37 can stretch while maintaining its fluid-tight pen closure characteristics when the pen 12 slides through the seal ring 37, for example, at least approximately 0.3 mm, or in another configuration at least about 0.6 mm, or in another configuration at least about 1.6 mm. In the configuration shown, the seal ring 37 comprises a tapered receiving mouth 37B for aligning the first pen 12 on the insert. In the configuration shown, the seal ring 37 sticks against an opposite contact surface, for example when inserting into the receiving structure and / or manufacturing.
[0045] The cartridge 3 comprises an electrical circuit 19 (figure 3). In the configuration shown, electrical circuit 19 is sunk in relation to the front face 33, such that electrical contact with connector circuit 18 is made only after the other interfaces are connected. In one configuration, this can prevent a printer from receiving electrical signals before fluid interfaces 12, 14, 13, 15 are connected. Such electrical signals sometimes trigger a printer to actuate a printhead 5 and / or cartridge 3, which can be avoided by certain configurations in this disclosure.
[0046] The electrical circuit of cartridge 19 is arranged to connect from the side, when inserted in the receiving structure 4. In the connected condition, the connector circuit 18 extends at least partially inside the cartridge 3. For example, the electrical circuit of cartridge 19 comprises electrodes 38 extending in a plane, approximately perpendicular to the front face 33 of cartridge 3, and parallel to the insertion direction, and / or a plane formed by the geometric axis Z and geometric axis Y. In one configuration, the electrodes 38 of the electrical circuit of cartridge 18 extend along a PP line that is approximately parallel to the geometric axis Z and / or to the front face 33, in an installation position of the cartridge 3. The PP line extends behind the front face 33 The electrodes 38 of the cartridge 19 electrical circuit are arranged to connect to the corresponding electrodes 20 of the connector circuit 18. The PP line extending through the electrodes 38 of the cartridge 3 is parallel to the line P ( figure 4) extending through the electrodes 20 of the connector circuit 18, in an installed condition of the cartridge 3. In an installed condition, the connector circuit 38 extends at least partially through or behind the front face 33 of the cartridge 3, to connection to cartridge 18 electrical circuit.
[0047] In one configuration, the cartridge 3 comprises a cartridge interlocking interface 24 to avoid connection to a receiving structure 4 which is arranged with a non-matching interlocking interface 22. In the configuration shown, the cartridge interlocking interface 24 it comprises a cutout 25. In other configurations, the interlocking interface 24 may comprise a protrusion, and again in other configurations it may comprise both. The cartridge interlocking interface 24 is arranged to block additional insertion of the cartridge 3 if the interlocking interface does not match. The cartridge interlocking interface 24 is arranged to block the insertion of the connector circuit 18 into the cartridge 3 if the receiving interlocking interface 22 does not match, such that electrical connection to the electrical circuit of the cartridge 19 will fail.
[0048] The blocking interfaces 22, 24 can be arranged to provide additional alignment of the cartridge 3 with respect to the receiving structure 4, in addition to the guide 17, for example preventing rotation around the straight line of movement Y. Additionally , if the interlocking interfaces 22, 24 of the receiving structure 4 and the cartridge 3 match, the interlocking interfaces 22, 23 can engage due to their corresponding shape, such that circuits 18, 19 are correctly interconnected.
[0049] In some configurations, cartridges 3 are not provided with a locking interface 24 such that cartridges 3 can combine with any of the receiving structures 4 of the fluid ejection device 1, and circuits 18, 19 interconnect, independent of the receiving blocking interface 24.
[0050] The cartridge 3 comprises a guide interface for cooperation with the guide 17 of the receiving structure 4. In the configuration shown, the guide interface comprises a guide track 21. The guide interface is arranged to guide the cartridge 3 along a line line Y to connect the interfaces. The guide interface may have a guide contact surface that extends parallel to said straight line Y.
[0051] Guide track 21 is arranged to contact guide 17. Guide track 21 can be arranged to guide a corresponding T rail guide 17. In the configuration shown, guide track 21 comprises a T-shaped cutout. guide 21 comprises flanges 39 to engage under the wings 17B (figure 3) of the T rail guide 17. The guide track 21 may comprise a tapered opening 40 to facilitate easy reception of the T rail guide 17. The flanges 39 can be tapered near the opening 40. The guide track 21 may additionally comprise a guide stop 45.
[0052] The bottom 35 of the cartridge 3 additionally comprises a lock track 28. The lock guide 21 and the lock track 28 can comprise an integral indentation in the bottom 35 of the cartridge 3. The bottom 35 can comprise a plastic mold integrally molded .
[0053] Cartridge 3 comprises a lock track 28 and a lock stop 30. Lock track 28 is arranged to move lock 27 with respect to lock stop 30. Once lock 27 contacts the lock stop 30, cartridge 3 is retained. The position of the locking stop 30 can determine the location of the cartridge interfaces with respect to the interfaces of the receiving structure, along the straight line Y.
[0054] The locking track 21 comprises a locking track 28A and an unlocking track 28B. Locking track 28A may be totally or partially different from unlocking track 28B. The locking stop 30 is arranged between the locking track 28A and the unlocking track 28B, such that the lock 27 is guided on one side 28A of the locking stop 30 during insertion, and on an opposite side 28B in the injection. Upon insertion, lock 27 is guided by locking track 28A. The locking track 28A may comprise a locking guide surface 26 of the locking stop 30 to guide the lock 27 over the correct side of the locking stop 30. The locking track 28A may additionally comprise a locking guide wall 47, at the end of the locking track 28A. The locking guide wall 47 is arranged to receive the lock 27 at the end of the locking track 28A, and to direct the lock 27 towards the lock stop 30. The lock stop 30 comprises a lock stop wall 49 and a lock backrest. 50. The locking guide wall 47 is arranged to guide the locking 27 to a locked position of engagement with the locking stop wall 49 (figure 13). The backrest 50 comprises a projection on the stop wall 49 to prevent the lock 27 from sliding out of the lock stop wall 49. In the locked position, the lock 27 engages the backrest 50. In the locked position, the ejector 31 is compressed and pushes the cartridge 3 such that the lock stop 30 is pushed against the lock 27.
[0055] Additionally, the unlocking track 28B comprises a locking redirection wall 48. The locking redirection wall 48 is arranged to receive lock 27 when lock stop 30 and lock track 28A are pushed in, and to guide the latch 27 into the unlocking track 28B for ejection, out of the latch stop engagement position. In the ejection, the lock 27 passes to the opposite side of the lock stop 30, with respect to the insertion. The lock redirect wall 48 can be arranged at the end of the lock track 28. Once the lock 27 is in an unlocked position, the ejector 31 ejects the cartridge 3 such that it can be removed manually.
[0056] In one configuration, lock track 28 comprises audible and / or tactile feedback members. Lock 27 can be forced around its geometric axis of articulation L. Lock 27 can slide against the lock track walls while lock 27 travels through lock track 28. For example, one or more lock track walls can comprise one or more feedback members such as ribs to provide audible and / or tactile feedback while latch 27 travels on latch lane 28. Feedback members can be provided close to latch guide wall 47, from where the lock 27 will move to a locked position if cartridge 3 is released. When receiving audible and / or tactile feedback, a user can know that the cartridge can be released and that it is locked in the receiving frame 4. Another feedback member can be provided near the lock redirect wall 48 to indicate an unlock cartridge 3.
[0057] Figure 7 shows a cross section of the fluid ejection system 1, where the fluid cartridge 3 and the receiving structure 4 are connected. The ejector 31 is compressed and pushes the cartridge lock stop 30 against the lock 27. The cartridge 3 is additionally held in place by the guide 17. The pens 12, 13 extend largely within the respective sockets 14, 15 to transport the respective fluids between cartridge 3 and fluid ejection device 2.
[0058] The electrodes 20, 38 of the connector circuit 18 and the electrical circuit of the cartridge 19, respectively, interconnect from the side. For example, electrodes 20, 38 interconnect along a line P or PP that is parallel to the geometric axis Z, and / or on a plane that is parallel to the plane formed by the geometric axis Y and the geometric axis Z. Once that the electrical circuit of cartridge 19 is sunk with respect to the front face 33 of cartridge 3, the connector circuit 18 and electrical circuit of cartridge 19 interconnect within the outer circumference of cartridge 3, behind the front face 33. In one condition installed, the connector circuit 18 extends at least partially into the cartridge 3. In one configuration, the connection between the connector circuit 18 and the electrical circuit of the cartridge 19 is established behind and / or near a cartridge interlocking interface 24 , inside cartridge 3.
[0059] In one configuration, cartridge 3 comprises at least one tongue engaging surface 51 to facilitate and indicate manual handling of cartridge 3, for example when inserting or removing cartridge 3. The tongue engaging surface 51 may comprise one or a combination of an inward curve, one or more ribs, a cutout, etc. The tongue engaging surface 51 can be arranged on the upper face 53 of the cartridge 3, and close to the rear face 34. As illustrated in the configuration shown, in an installed condition of the cartridge 3, the receiving structure 4 greatly covers the surface tongue engagement 51. After ejection, the tongue engagement surface 51 is visible and free to be engaged to remove the cartridge 3.
[0060] In one configuration, cartridge 3 comprises a tongue pushing surface 52 to indicate that cartridge 3 needs to be pushed into the receiving frame 4, for both locking and unlocking of cartridge 3. The tongue pushing surface 52 can comprise one or a combination of an inward curve, one or more ribs, a cutout, etc. The tongue push surface 52 is arranged on the rear face 34. In an installed condition of the cartridge 3, the rear face 34 and the tongue push surface 52 are visible outside the receiving frame 4. Although the tongue push surface 52 may have a predetermined location on the rear face 34, an aspect of certain configurations of this disclosure is that the cartridge 3 can be pushed over any location on the rear face 34 for correct connection of the interfaces, because the guide 17 can guide the cartridge 3 along straight line Y, regardless of a specific location or inclination of pushing.
[0061] Figure 8 shows a configuration of a method for connecting a fluid cartridge 3 to a receiving structure 4 in a flow diagram. In a first stage 800 of such a method, a fluid cartridge 3 is inserted into a receiving structure 4. The movement is confined to one dimension, that is, the cartridge 3 is moved along the straight line Y, as indicated by the stage 810. At the end of the unidirectional movement, a fluid connection is established between the cartridge 3 and the fluid ejection device 2. In a stage 820, the lock 27 is guided to the position locked by the movement along the straight line Y. A lock 27 maintains the fluid connection. Stages 810 and 820 can occur simultaneously. In an 830 stage, fluid can flow through the connected fluid interfaces, for example for fluid ejection.
[0062] Figure 9 shows an additional configuration of a method for connecting a fluid cartridge 3 to a receiving structure 4 in a flow diagram. Figs. 10-15 illustrate sequential positions of the cartridge 3 with respect to the lock arrangement 26, corresponding to some of the stages 900-914 of figure 9.
[0063] In a 900 stage, the cartridge 3 is manually inserted into the receiving structure 4. Figure 10 corresponds to a stage 900, where the positions of the cartridge 3 with respect to the receiving structure 4 and the locking arrangement 26 are illustrated. At a next stage 901, the guide track 21 contacts the guide 17. Further pushing the cartridge 3 into the receiving frame 4, the guide 17 guides the cartridge 3 along the straight line Y, in the direction of the ejector 31. In a stage 902, lock 27 contacts lock track 28. Lock 27 is guided along locking track 28A, as shown in figure 11. Pivot arm 29B pivots over pivot axis L (figure 3), to allow the latch 27 to be guided by the walls of the latch track 28A. In stage 903, ejector 31 contacts the front face 33 of the cartridge and is compressed. Ejector 31 can contact ring 36 which is provided around a second pen receiving socket 15. The aforementioned stages 901- 903 can occur simultaneously.
[0064] In the configuration shown in figs. 9-15, the cartridge 3 and the receiving structure 4 have interlocking interlocking interfaces 22, 24. At a stage 904, the fluidic interfaces 12, 13, 14, 15 are interconnected and the interlocking interfaces 22, 24 of the receipt 4 and cartridge 3 match. The combination interfaces 22, 24 allow the cartridge 19 electrical circuit and the connector 18 circuit to interconnect. After the key matches, at stage 905, the electrical connection between circuits 18, 19 is established. The electrical connection established implies that the fluid connections are also established.
[0065] In a 906 stage, the user pushes cartridge 3 inwards until receiving tactile and / or audible feedback. For example, latch 27 engages end 47 of latch track 28 and / or guide stops 45 engage end of guide 17 and / or ejector 33 cannot be further compressed. In the corresponding figure 12 it is shown that the lock 27 engages the end of the lock track 28, in this configuration the lock 27 engages the lock guide wall 47 to direct the lock 27 in a locked position when released. In a stage 907, the user will manually release the cartridge 3. In a stage 908, the ejector 31 decompresses by pushing the cartridge 3 backwards until the lock 27 contacts the lock stop 30. As can be seen from the corresponding figure 13, lock 27 retains cartridge 3 by contacting locking stop wall 49. Lock 27 is held in position by backrest 50. Stages 904 and 905 of the key and electrical connection combination, and stages 906-908 of the locking hangs occur approximately simultaneously.
[0066] If the cartridge 3 is not pushed correctly, the fluidic and / or other interfaces may not have been connected correctly. In such a case, the latch 27 may not reach the latch guide wall 47 and cannot reach the locked position. Then, cartridge 3 will automatically be pushed out by ejector 31, before any electrical and / or fluidic connections are made.
[0067] In a stage 909, the fluid ejection system 1 prints by recovering the first fluid from the cartridge 3, through the first fluid interfaces 12, 14. After printing, for example when the cartridge 3 is substantially empty, the cartridge 3 can be ejected for replacement. In a 910 stage, a user pushes the cartridge 3 towards the ejector 31. Pushing the cartridge 3, the lock 27 can contact the lock redirection wall 48. In a next stage 911, the lock 27 is guided to an unlocked position , for example through the lock redirection wall 48 (figure 14). In the unlocked position, cartridge 3 is no longer retained by lock 27. In a stage 912, a user can manually release cartridge 3. In a stage 913, ejector 31 decompresses, ejecting cartridge 3 (figure 15). Ejection is made possible since cartridge 3 is no longer retained (figure 15). In stage 914, the user removes the cartridge 3 out of the receiving frame 4.
[0068] As described, the cartridge 3 may comprise a first fluidic interface 12, a second fluidic interface 13, an electrical interface 19, an ejector alignment interface 36, and / or a locking interface 24, which are arranged on the face front 33. The guide interface is arranged on the bottom face 35 having a receiving opening 40 next to the front face 33. Therefore, the interfaces are arranged to contact close to the front surface 33 of the cartridge 3. In the configuration shown, the interlocking interface 24 and electrical interface 19 are arranged close to the upper surface 53, the second fluidic interface 15 and the ejector alignment interface 36 are arranged close to the middle of the front surface 33, and the first fluidic interface 14 and the guide receiving opening 40 are arranged close to the bottom face 35. The interfaces are relatively evenly distributed over the front face 33, providing a relatively uniform distribution of the s connecting forces of the respective interfaces, and relatively low total connecting force, for example around 14 Newtons or less. In the locking and guide mechanisms of the ejection system 1, no deformation of the lock or guide parts is necessary. A relatively light and simple push is sufficient to establish a secure lock. Additionally, the guide 17 allows a user to push anywhere on the rear face 34 of the cartridge 3 to establish all connections in a Y direction.
[0069] The cartridge 3 and receiving frame 4 can be relatively thin, consuming only a small volume of the printer. A cartridge movement track also consumes relatively little space because it comprises a straight Y line. In addition, cartridge 3 can be released using the same push movement in the same Y direction. If cartridge 3 is not connected correctly, for example fluidly and / or electrically, the cartridge 3 is automatically pushed out by the ejector 31.
[0070] The description above is not intended to be exhaustive or to limit the invention to the disclosed configurations. Other variations to the disclosed configurations can be understood and made by those skilled in the art when practicing the claimed invention, from a study of the drawings, the disclosure, and the attached claims. In some configurations, mechanical inversions can be applied with respect to the configurations shown. For example, the lock track 28 can be provided on the receiving structure 4, while the lock arrangement 26 can be provided on the cartridge 3. The first and second fluid interfaces of the cartridge 3 can comprise pens, while the corresponding first and second Fluid interfaces of the receiving structure 4 may comprise sockets.
[0071] The indefinite article "one" or "one" does not exclude a plurality, while a reference to a certain number of elements does not exclude the possibility of having more elements. A single unit can serve the functions of several items mentioned in the disclosure, and vice versa several items can serve the function of a unit. In the following claims, the mere fact that certain measures are cited in mutually different dependent claims does not indicate that a combination of these measures cannot be used to advantage. Multiple alternatives, equivalents, variations and combinations can be made without departing from the scope of the invention.

权利要求:
Claims (16)
[0001]
1. Ink cartridge (3) for an inkjet printer (2), comprising: - a bottom face (35) and a front face (33); - front face interfaces (33) for connection to a cartridge receiving frame (4), interfaces including an ink interface (14), a gas interface (15), and an electrical interface (10, 19), where the electrical interface (10,19) is arranged close to the upper surface (53) of the cartridge, characterized by the fact that the cartridge also comprises: - a guide interface arranged on the lower face (35) to guide the cartridge (3) along a straight line (Y) to connect the interfaces, the guide interface having a guide receiving opening (40) close to the front face; - a lock stop (30) and a lock track (28) arranged on the underside (35) to guide and retain a lock (27) of the cartridge receiving structure (4); wherein the gas interface (15) is arranged close to the middle of the front surface (33), and the ink interface (14) and the guide receiving opening (40) are arranged close to the bottom face (35).
[0002]
2. Ink cartridge (3) according to claim 1, characterized in that the locking track (28) comprises a locking track (28A) and an unlocking track (28B), and is arranged to move the lock (27) with respect to the lock stop (30) along a locking track (28A) for a locked position on the insert, and along an unlocking track (28B), different from the locking track, for an unlocked position in the ejection.
[0003]
3. Ink cartridge (3) according to claim 2, characterized in that it comprises a locking guide wall (47) at the end of the locking track (28A) to direct a lock (27) to the locking stop (30).
[0004]
4. Ink cartridge (3) according to claim 2 or 3, characterized in that the lock stop (30) comprises a lock stop wall (49) and a lock stop (50), the stop (50 ) comprising a projection on the stop wall (49) to prevent the latch (27) from sliding out of the stop latch wall (49).
[0005]
Ink cartridge (3) according to any one of claims 2 to 4, characterized in that the lock stop (30) is arranged between the locking track (28A) and the unlocking track (28).
[0006]
6. Ink cartridge (3), according to claim 1, characterized in that the guide interface comprises a guide track (21) which extends parallel to the aforementioned straight line (Y).
[0007]
7. Ink cartridge according to claim 6, characterized in that the guide track (21) and the locking track (28) comprise an integral cutout on the bottom (35) of the cartridge (3).
[0008]
8. Ink cartridge according to claim 6, characterized in that the guide track (21) comprises a T-shaped cutout to guide a corresponding T rail guide (17) of the cartridge receiving structure (3, 4 ).
[0009]
Ink cartridge (3) according to claim 8, characterized in that the guide track (21) comprises a guide stop (45) for contacting one end of the T rail guide (17).
[0010]
10. Ink cartridge (3) according to claim 6, characterized in that the guide track (21) comprises a tapered receiving opening (40) close to the front face (33).
[0011]
11. Ink cartridge (3) according to claim 8, characterized in that the guide track (21) comprises flanges (39) being tapered close to the opening (40).
[0012]
Ink cartridge (3) according to claim 6, characterized in that the ink interface (14) comprises a socket for receiving a pen (12) having a length that is approximately the same as or shorter than the guide track (21), the central geometric axis (C1) of the socket being parallel to the aforementioned straight line (Y).
[0013]
13. Ink cartridge (3) according to claim 1, characterized in that the ink interface (15) comprises a socket for receiving a conically shaped pen (12) from the receiving structure (4), the ink interface ink (14) comprising a seal ring (37) of resilient material, wherein an inner diameter of the seal ring (37) can stretch at least approximately 0.3 millimeters to enclose the pen (12) along its conical shape on insertion.
[0014]
14. Ink cartridge (3), according to claim 1, characterized in that the electrical interface comprises an electrical circuit (19) for electrical contact between the ink cartridge (3) and the cartridge receiving structure (4) .
[0015]
15. Ink cartridge (3), according to claim 14, characterized by the fact that the electrical circuit (19) is sunk in relation to the front face of the cartridge (33) such that electrical contact is made after the other interfaces are connected.
[0016]
16. Ink cartridge (3) according to claim 15, characterized in that the electrical circuit (19) comprises electrodes (8) that extend in a plane that is approximately perpendicular to the front face (33) of the cartridge ( 3), and approximately parallel to the straight line, to establish a connection on the side with a corresponding connector circuit (18).

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EP3744528A1|2018-07-13|2020-12-02|Hewlett-Packard Enterprise Development LP|Print liquid supply|

CN111942027B|2018-07-13|2021-10-15|惠普发展公司，有限责任合伙企业|Printing liquid supply device, printing liquid supply device assembly and interface structure|

AU2018451723A1|2018-12-03|2021-06-24|Hewlett-Packard Development Company, L.P.|Printable liquid supply cartridges|

CN113168443A|2018-12-03|2021-07-23|惠普发展公司，有限责任合伙企业|Logic circuit system|

WO2020117306A1|2018-12-03|2020-06-11|Hewlett-Packard Development Company, L.P.|Logic circuitry|

US10894423B2|2018-12-03|2021-01-19|Hewlett-Packard Development Company, L.P.|Logic circuitry|

WO2020117324A1|2018-12-03|2020-06-11|Hewlett-Packard Development Company, L.P.|Sensor circuitry|

法律状态:
2020-05-05| B06F| Objections, documents and/or translations needed after an examination request according [chapter 6.6 patent gazette]|

2020-06-02| B06U| Preliminary requirement: requests with searches performed by other patent offices: procedure suspended [chapter 6.21 patent gazette]|

2020-10-20| B09A| Decision: intention to grant [chapter 9.1 patent gazette]|

2020-12-15| B16A| Patent or certificate of addition of invention granted [chapter 16.1 patent gazette]|Free format text: PRAZO DE VALIDADE: 10 (DEZ) ANOS CONTADOS A PARTIR DE 15/12/2020, OBSERVADAS AS CONDICOES LEGAIS. |

优先权:

申请号 | 申请日 | 专利标题

PCT/US2010/053692|WO2012054050A1|2010-10-22|2010-10-22|Fluid cartridge|

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