EP2204287B1 - Tintenpatrone - Google Patents

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Publication number
EP2204287B1
EP2204287B1 EP10157796A EP10157796A EP2204287B1 EP 2204287 B1 EP2204287 B1 EP 2204287B1 EP 10157796 A EP10157796 A EP 10157796A EP 10157796 A EP10157796 A EP 10157796A EP 2204287 B1 EP2204287 B1 EP 2204287B1
Authority
EP
European Patent Office
Prior art keywords
case
ink
front face
movable member
extends
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.)
Active
Application number
EP10157796A
Other languages
English (en)
French (fr)
Other versions
EP2204287A2 (de
EP2204287A3 (de
Inventor
Hiroto Sugahara
Shingo Hattori
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Brother Industries Ltd
Original Assignee
Brother Industries Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Family has litigation
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Application filed by Brother Industries Ltd filed Critical Brother Industries Ltd
Publication of EP2204287A2 publication Critical patent/EP2204287A2/de
Publication of EP2204287A3 publication Critical patent/EP2204287A3/de
Application granted granted Critical
Publication of EP2204287B1 publication Critical patent/EP2204287B1/de
Active legal-status Critical Current
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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
    • B41J2/1752—Mounting within the printer
    • 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
    • B41J2/17513—Inner 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
    • B41J2/17553—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
    • B41J2/17566—Ink level or ink residue control

Definitions

  • the present invention relates generally to ink cartridges.
  • the present invention is related to ink cartridges which are configured to dispense ink when mounted in a printer.
  • a known ink cartridge is configured to be mounted to a mounting portion of a known recording apparatus, such as an ink-jet recording apparatus.
  • the known ink cartridge has an ink chamber configured to store ink therein, a wall defining at least a portion of the ink chamber, and an ink supply portion positioned at the wall, which is configured to supply ink from the interior of the ink chamber to the exterior of the ink chamber.
  • the ink supply portion extends outwardly from the wall.
  • a resilient member is disposed within the ink supply portion.
  • the resilient member is disposed within the ink supply portion, an outer portion of the ink supply portion may be damaged when the ink supply portion contacts the surface, which may cause ink to leak from the ink supply portion. Moreover, if the ink cartridge contacts the surface at a position other than the ink supply portion, the ink cartridge may be damaged, and ink may leak from the ink cartridge.
  • Another known ink cartridge is configured to be mounted to an accommodating chamber of the known recording apparatus, and the accommodating chamber includes a door which is configured to be opened and closed. After the known ink cartridge is mounted to the accommodating chamber and the door is closed, the door may latch on to the ink cartridge to remove the ink cartridge from the accommodating chamber when the door is opened by a user, which increases the ease with which the ink cartridge may be remove from the accommodating chamber.
  • a known ink cartridge is described in US 2007/0070140 A1 for example. Nevertheless, the user relies on the recording apparatus to remove the ink cartridge from the recording apparatus.
  • US 2006/087532 A1 discloses an apparatus for ejecting droplets.
  • EP 1 300 247 A2 relates to a liquid container, a liquid supplying apparatus, and a recording apparatus for supplying a liquid such as ink to a pen or recording head as a recording section, for example, in an efficient and stable manner, and to an ink jet cartridge.
  • US 2002/063759 A1 relates to an ink tank, an ink-jet cartridge, an ink-supplying apparatus, an inkjet printing apparatus, a method for supplying ink, an ink-jet printing head and a printing apparatus.
  • a technical advantage of the present invention is that the ink cartridge may be protected from damage when the ink cartridge contacts the surface.
  • Another technical advantage of the present invention is that the ink cartridge readily may be removed from the recording apparatus.
  • each of the ink supply portion and the translucent portion may not contact the surface and may be protected from the damage.
  • an ink cartridge comprises a case, an ink supply portion, a movable member, and at least one resilient member.
  • the case has at least a portion of an ink chamber defined therein, and the ink chamber is configured to store ink.
  • the case has a front face and a rear face opposite the front face.
  • the ink supply portion is positioned at the front face of the case, and the ink supply portion is configured to dispense ink from an interior of the ink chamber to an exterior of the ink chamber.
  • the movable member is positioned outside the case and is configured to move relative to the case.
  • the at least one resilient member has a first end which is coupled to the rear face of the case, and a second end which is coupled to the movable member.
  • the at least one resilient member is configured to expand in an expansion direction and to contract in a contraction direction opposite the expansion direction to move the movable member relative to the case, and a shape of the case in the expansion and contraction directions is unaltered when the at least one resilient member expands and contracts.
  • the entire moveable member is configured to substantially simultaneously move in a first direction relative to the case when the at least one resilient member expands, and the entire moveable member is configured to substantially simultaneously move in a second direction opposite the first direction when the at least one resilient member contracts and wherein the first and second directions are parallel to the expansion and contraction directions, respectively.
  • ink cartridge is protected from damage when the ink cartridge contacts a surface. Moreover, ink cartridge is readily removed from a recording apparatus.
  • At least one portion of the movable member may extend adjacent to and away from the front face of the case in the second direction.
  • the ink supply portion may extend from the front face of the case in the second direction, and the at least one portion of the movable member may extend further from the front face of the case in the second direction than the ink supply portion extends from the front face of the case in the second direction.
  • the ink cartridge further comprises a translucent portion positioned at the front face of the case and extending away from the ink chamber, and the translucent portion may have an inner space formed therein, and the inner space may be configured to be in fluid communication with the ink chamber.
  • the ink cartridge also may comprise a further movable member positioned within the inner space, and then further movable member may be configured to move within the inner space based on an amount of ink in the ink chamber.
  • each of the ink supply portion and the translucent portion may extend from the front face of the case in the second direction, and the at least one portion of the movable member may extend further from the front face of the case in the second direction than each of the ink supply portion and the translucent portion extends from the front face of the case in the second direction.
  • the case may further comprise a particular face connected to each of the front face and the rear face, and the movable member may comprise a first portion and a second portion extending from the first portion in the second direction.
  • the at least one resilient member may be coupled to the first portion of the movable member, and the second portion of the movable member may engage the particular face and extends away from the front face in the second direction.
  • the ink supply portion may extend from the front face of the case in the second direction, and the second portion of the movable member may extend further from the front face of the case in the second direction than the ink supply portion extends from the front face of the case in the second direction. With this configuration, ink supply portion may not contact the surface and may be protected from the damage.
  • the ink cartridge may further comprise a translucent portion positioned at the front face of the case and extending away from the ink chamber, the translucent portion may have an inner space formed therein, and the inner space may be configured to be in fluid communication with the ink chamber.
  • the ink cartridge also may comprise a further movable member positioned within the inner space, and the further movable member may be configured to move within the inner space based on an amount of ink in the ink chamber.
  • each of the ink supply portion and the translucent portion may extend from the front face of the case in the second direction, and the second portion of the movable member may extend further from the front face of the case in the second direction than each of the ink supply portion and the translucent portion extends from the front face of the case in the second direction.
  • the case may further comprise a particular face connected to each of the front face and the rear face, and a further face opposite the particular face and connected to each of the front face and the rear face.
  • the movable member may further comprise a first portion, a second portion extending from the first portion in the second direction, and a third portion extending from the first portion in the second direction.
  • the at least one resilient member may be coupled to the first portion of the movable member, , the second portion of the movable member may engage the particular face and extend away from the front face in the second direction, and the third portion of the movable member may engage the further face and extend away from the front face in the second direction.
  • the ink supply portion may extend from the front face of the case in the second direction, and each of the second portion and the third portion of the movable member may extend further from the front face of the case in the second direction than the ink supply portion extends from the front face of the case in the second direction. With this configuration, ink supply portion may not contact the surface and may be protected from the damage.
  • the ink cartridge may further comprise a translucent portion positioned at the front face of the case and extending away from the ink chamber, and the translucent portion may have an inner space formed therein, and the inner space may be configured to be in fluid communication with the ink chamber.
  • the ink cartridge may comprise a further movable member positioned within the inner space, and the further movable member may be configured to move within the inner space based on an amount of ink in the ink chamber.
  • Each of the ink supply portion and the translucent portion may extend from the front face of the case in the second direction, and each of the second portion and the third portion of the movable member may extend further from the front face of the case in the second direction than each of the ink supply portion and the translucent portion extends from the front face of the case in the second direction.
  • Fig. 1 is a perspective view of a multi-function device, according to an embodiment of the present invention.
  • Figs. 2(a)-2(d) are a front view, a side view, a rear view, and a bottom view, respectively, of an ink cartridge according to an embodiment of the present invention.
  • Fig. 3(a) is a front view of a case of the ink cartridge of Figs. 2(a)-2(d) .
  • Fig. 3(b) is a cross-sectional view of the case taken along the line IIIb-IIIb of Fig. 3(a) .
  • Fig. 4 is a perspective view of a movable member of the ink cartridge of Figs. 2(a)-2(d) .
  • Figs. 5(a) is a schematic depicting the ink cartridge of Figs. 2(a)-2(d) when colliding with a surface, in which a third plate portion of the movable member faces downward.
  • Figs. 5(b) is another schematic depicting the ink cartridge of Figs. 2(a)-2(d) when colliding with a surface, in which the third plate portion of the movable member faces downward.
  • Figs. 6(a) is a schematic depicting the ink cartridge of Figs. 2(a)-2(d) when colliding with a surface, in which a front face of the case faces downward.
  • Figs. 6(b) is another schematic depicting the ink cartridge of Figs. 2(a)-2(d) when colliding with a surface, in which a front face of the case faces downward.
  • Fig. 7 is a cross-sectional view of a cartridge accommodating case, according to an embodiment of the present invention.
  • Fig. 8 is a cross-sectional view of the ink cartridge of Figs. 2(a)-2(d) mounted to the cartridge accommodating case of Fig. 7 , in which a lock lever is in an open position.
  • Fig. 9 is a cross-sectional view of the ink cartridge of Figs. 2(a)-2(d) mounted to the cartridge accommodating case of Fig. 7 , in which a lock lever is in a closed position.
  • Fig. 10 is a perspective view of an ink cartridge, according to another embodiment of the present invention.
  • Figs. 11(a) and 11(b) are a front view and a side view, respectively, of an ink cartridge, according to yet another embodiment of the present invention.
  • Figs. 12(a) and 12(b) are a side view and a rear view, respectively, of an ink cartridge, according to still another embodiment of the present invention.
  • Figs. 13(a) and 13(b) are a side view and a rear view, respectively, of the ink cartridges of Fig. 12(a) and 12(b) , in which four ink cartridges are positioned side by side.
  • Fig. 14 is a cross-sectional view of the ink cartridge of Figs. 12(a)-12(b) mounted to a cartridge accommodating case, in which a lock lever is in an open position.
  • Fig. 15 is a cross-sectional view of the ink cartridge of Figs. 12(a)-12(b) mounted to the cartridge accommodating case, in which a lock lever is in a closed position.
  • Multi-function device 10 configured to be used with an ink cartridge 30 according to an embodiment of the invention is depicted.
  • Multi-function device 10 comprise s a printer portion 12 at the bottom and a scanner portion 13 at the top.
  • Scanner portion 13 comprises an automatic sheet feeder 15.
  • Multi-function device 10 is configured to be connected to a computer or another external device, e.g., a digital camera. When printing data is transmitted to printer portion 12 from the computer, the external device, or scanner portion 13, printer portion 12 prints an image on a sheet of paper based on the printing data.
  • Multi-function device 10 has a substantially rectangular parallelepiped shape having a width, a depth, and a height. Each of the width and the depth is greater than the height.
  • Printer portion 12 comprises a case 14, and case 14 has an opening 17 formed therethrough at a center of a front face of case 14.
  • a tray (not shown) configured to accommodate sheets of paper is disposed in case 14, and the tray is configured to be removed from the interior of case 14 through opening 17.
  • Case 14 also has an opening 18 formed therethrough at a position adjacent to an end of the front face of case 14 in the width direction of multi-function device 10.
  • Multi-functional device 10 also comprises a cartridge accommodating portion 100 positioned in case 14, and cartridge accommodating portion 100 is exposed to the exterior of case 14 through opening 18.
  • Cartridge accommodating portion 100 comprises a plurality of, e.g., four, cartridge accommodating cases 101, each of which is configured to accommodate an ink cartridge 30 therein.
  • Each ink cartridge 30 stores ink therein, e.g., each ink cartridge 30 stores a different color of ink therein.
  • a first ink cartridge 30 stores black ink therein
  • a second ink cartridge 30 stores yellow ink therein
  • a third ink cartridge 30 stores cyan ink therein
  • a fourth ink cartridge stores magenta ink therein.
  • the plurality of cartridge accommodating cases 101 are aligned in the width direction of multi-function device 10.
  • Multi-function device 10 comprises a door 20, and the lower end of door 20 is coupled to case 14 below opening 18, such that door 20 is configured to pivot about the lower end of door 20.
  • Door 20 is configured to expose cartridge accommodating portion 100 through opening 18 when door 20 is opened, and to cover opening 18 when door 20 is closed.
  • ink cartridge 30 comprises a case 32, a movable member 33, and a resilient member, e.g., a coil spring 34.
  • Case 32 and movable member 33 are coupled via coil spring 34, and movable member 33 is configured to move relative to case 32, e.g., to slide on case 32, when coil spring 34 expands in an expansion direction and contracts in a contraction direction which is opposite the expansion direction.
  • a first end of coil spring 34 is coupled to case 32, and a second end of coil spring 34 is coupled to movable member 33.
  • Coil spring 34 may be coupled to case 32 by direct contact or by indirect contact therebetween, and coil spring may be coupled to movable member 32 by direct contact or by indirect contact therebetween.
  • coil spring 34 is indirectly connected to case 32, at least one element is positioned between coil spring 34 and case 32.
  • coil spring 34 is indirectly connected to movable member 33, at least one element is positioned between coil spring 34 and movable member 33.
  • Case 32 has a substantially rectangular parallelepiped shape having a front face 40, a rear face 42 opposite front face 40, a top face 41, a bottom face 43 opposite top face 41, and side faces 44 opposite each other.
  • Each of top face 41 and bottom face 43 is connected to front face 40 and rear face 42
  • each of side faces 44 is connected to front face 40, rear face 42, top face 41, and bottom face 43.
  • Each of front face 40, top face 41, rear face 42, bottom face 43, and side faces 44 is substantially parallel to its opposing face, and substantially perpendicular to the other faces.
  • Case 32 has a width from one of side faces 44 to the other of side faces 44, a depth from front face 40 to rear face 42, and a height from top face 41 to bottom face 43.
  • Case 32 comprises an ink chamber 36 formed therein, and ink chamber 36 is configured to store ink.
  • Case 32 comprises at least one translucent resin material, e.g., a transparent resin material or a semi-transparent resin material, which allows light to pass therethrough.
  • a shape of case 32 in the expansion and contraction directions is not altered when coil spring 34 expands and contracts.
  • the entire moveable member 33 is configured to substantially simultaneously move in a first direction relative to case 32 when coil spring 34 member expands, and the entire moveable member 33 is configured to substantially simultaneously move relative to case 32 in a second direction opposite the first direction when coil spring 34 contracts.
  • Case 32 comprises a translucent portion 39, and rails 55 and 56 at top face 41 and bottom face 43, respectively.
  • a pivotable member 60 is pivotally disposed within ink chamber 36.
  • Translucent portion 39 is positioned at front face 40 and extends away from ink chamber 36.
  • the translucent portion 39 is integral with case 32, and comprises the same material as frame 32.
  • case 32 may comprise a frame which comprises front face 40, top face 41, rear face 42, and bottom face 43, and each of side faces 44 may comprise a film connected to, e.g., adhered to, the frame, such as by welding.
  • Translucent portion 39 projects outward from a center portion of front face 40 of case 32 in a direction away from ink chamber 36.
  • Translucent portion 39 is defined by five rectangular walls and has an inner space 46 formed therein which has a substantially a hollow box shape.
  • translucent portion 39 is defined by a front wall, a pair of side walls, a top wall, and a bottom wall 47.
  • the front wall extends parallel to front face 40 and is separated from front face 40 by a predetermined distance.
  • the pair of side walls is connected to front face 40 and the front wall, the top wall is connected to the top ends of the front wall and the side walls, and bottom wall 47 is connected to bottom ends of the front wall and the side walls.
  • the width of the front wall is less than the width of front face 40.
  • Inner space 46 of translucent portion 39 is configured to be in fluid communication with ink chamber 36, e.g., there is no wall positioned between inner space 46 and ink chamber 36.
  • An indicating portion 62 of the pivotable member 60 is configured to move within inner space 46, e.g., between a first position and a second position within inner space 46. For example, when indicating portion 62 is at the first position, indicating portion 62 contacts bottom wall 47 of translucent portion 39, as indicated by a solid line in Fig. 3(b) , and when indicating portion 62 is positioned at the second position, indicating portion 62 is separated form bottom wall 47 of translucent portion 39, as indicated by a dotted line in Fig. 3(b) .
  • Pivotable member 60 is used to determine whether the amount of ink stored in the ink chamber 36 is greater than or equal to a sufficient amount of ink.
  • Pivotable member 60 comprises indicating portion 62 at one end thereof, and a float portion 64 at the other end thereof.
  • Pivotable member 60 also comprises a shaft 66 which is connected to indicating portion 62 and float portion 64. Shaft 66 extends in the width direction of case 32, and shaft. 66 is supported by supporting portions disposed on inner surfaces of walls defining side faces 44, respectively, such that pivotable member 60 pivots about shaft 66 in directions indicated by arrows 67 and 68 in Fig. 3(b) .
  • the specific gravity of float portion 64 is less than the specific gravity of ink stored in the ink chamber 36.
  • Float portion 64 has a hollow formed therein, and floats on liquid, such that the float portion 64 moves upward and downward based on the amount of ink within the ink chamber 36, and pivotable member 60 pivots based on the movement of float portion 64.
  • float portion 64 may be a solid element comprising a material having a specific gravity less than the specific gravity of ink.
  • Indicating portion 62 is configured to indicate whether the amount of ink in the ink chamber 36 is greater than or equal to a sufficient amount of ink.
  • indicating portion 62 contacts bottom wall 47 of translucent portion 39, such that further movement of pivotable member 60 is prevented and indicating portion 62 remains at the first position.
  • indicating portion 62 moves away from bottom wall 47 of the translucent portion 39.
  • float portion 64 contacts a bottom surface of the ink chamber 36, further movement of pivotable member 60 is prevented, and indicating portion 62 remains at the second position apart from bottom wall 47 of translucent portion 39 by a predetermined distance.
  • Pivotable member 60 comprises a first portion extending from shaft 66 to indicating portion 62, and a second portion extending from shaft 66 to float portion 64.
  • the mass of the first portion of pivotable member 60 is less than the mass of the second portion of pivotable member 60. Therefore, the second portion of pivotable member 60 is heavier than the first portion of pivotable member 60 in air. Accordingly, when the ink chamber 36 does not store a sufficient amount of ink therein, e.g., when the ink chamber 36 is empty of ink, pivotable member 60 pivots clockwise about shaft 66 in Fig. 3(b) , and indicating portion 62 separates from bottom wall 47 of detecting window 39.
  • pivotable member 60 stops pivoting and the indicating portion 62 remains at the second position.
  • indicator portion 62 it is determined that the amount of ink in ink chamber 36 is less than a sufficient amount of ink.
  • whether the amount of ink in ink chamber 36 is greater than or equal to the predetermined amount of ink is determined based on the position of indicating portion 62 in the inner space 46, e.g., the position of indicating portion 62 is detected by a photo interrupter or viewed by a user.
  • Front face 40 has an opening 52 formed therethrough adjacent to an end of front face 40 connected to bottom face 43, and the interior of ink chamber 36 is configured to be in fluid communication with the exterior of case 32 via opening 52.
  • Ink cartridge 30 comprises an ink supply portion 51 positioned at front face 40 of case 32 adjacent to the end of front face 40 connected to bottom face 43.
  • Ink supply portion 51 comprises a cylindrical rubber member having an inner hole 53 formed therethrough.
  • the cylindrical rubber member comprises a first portion and a second portion. The first portion of the cylindrical rubber member is press fitted in opening 52, and the second portion of the cylindrical rubber member extends outward from front face 40. Opening 52 and inner hole 53 are aligned, such that the interior of ink chamber 36 is configured to be in fluid communication with the exterior of case 32 via opening 52 and inner hole 53.
  • a film (not shown) is positioned on an end of the cylindrical rubber member to cover inner hole 53.
  • a connecting portion 111 is connected to ink supply portion 51, such that a needle (not shown) of connecting portion 111 penetrates through the film and enters inner hole 53. Then, ink is supplied from ink chamber 36 to a recording head (not shown) of multi-function device 10 via ink supply portion 51 and connecting portion 111.
  • An air intake hole 50 is formed through front face 40, and the interior of ink chamber 36 is configured to be in fluid communication with the exterior of case 32 via air intake hole 50.
  • a sticker (not shown) covers the air intake hole 50, and the sticker prevents fluid communication between the interior of the ink chamber 36 and the exterior of case 32 via air intake hole 50.
  • the user removes the sticker, and thereby ink chamber 36 is brought into fluid communication with the exterior of case 32 via air intake hole 50.
  • Case 32 comprises a spring seat 48 formed on and extending outwardly from rear face 42 at a middle portion of rear face 42 in the height direction of case 32.
  • An end of coil spring 34 is connected and fixed to spring seat 48.
  • Rail 55 extends outwardly from top face 41 and extends from a portion adjacent to front face 40 to a portion adjacent to rear face 42 in the depth direction of case 32.
  • the depth direction of case 32 is indicated by an arrow 69 in Fig. 3(b) .
  • Rail 56 extends outwardly from bottom face 43 and extends from a portion adjacent to front face 40 to a portion adjacent to rear face 42 in the depth direction of case 32.
  • movable member 33 is configured to support case 32, such that movable member 33 moves relative to case 32, e.g., slides on case 32 when coil spring 34 expands and contracts.
  • Movable member 33 comprises a first plate portion 90, a second plate portion 91 opposite first plate portion 90, and a third plate portion 92 connected to first plate portion 90 and second plate portion 91.
  • First plate portion 90 and second plate portion 91 are parallel to each other, and third plate portion 92 is perpendicular to each of first plate portion 90 and second plate portion 91.
  • first plate portion 90 and second plate portion 91 has a first end 96 and a second end opposite first end 96
  • third plate portion 92 has a first end and a second end opposite the first end.
  • the first end of third plate potion 92 is connected to the second end of first plate portion 90
  • the second end of third plate portion 92 is connected to the second end of the second plate portion 91.
  • Case 32 is surrounded by first plate portion 90, second plate portion 91, and third plate portion 92.
  • First plate portion 90 faces top face 41
  • second plate portion 91 faces bottom face 43
  • third plate portion 92 faces rear face 42.
  • First plate potion 90 has a first groove 88 formed in the surface facing top face 41, and first groove 88 extends from first end 96 of first plate portion 90 towards the second end of first plate portion 90.
  • First plate portion 90 engages top face 41, e.g., first groove 88 extends parallel to rail 55, and rail 55 is positioned within first groove 88.
  • Second plate potion 91 has a second groove 89 formed in the surface facing bottom face 43, and second groove 89 extends from first end 96 of second plate portion 91 towards the second end of second plate portion 91.
  • Second plate portion 91 engages bottom face 43, e.g., second groove 89 extends parallel to rail 56, and rail 56 is positioned within second groove 89.
  • first groove 88 and second groove 89 has a wide portion 97 adjacent to first end 96, and the width of wide portion 97 increases as wide portion 97 approaches first end 96.
  • rails 55 and 56 readily slide in first groove 88 and second groove 89 with the aid of wide portions 97.
  • Third plate portion 92 comprises a spring seat 94 formed on and extending outwardly from the surface facing rear face 42 at a middle portion of third plate portion 92 in the height direction of case 32.
  • An end of coil spring 34 is connected and fixed to spring seat 94.
  • first plate portion 90 and second plate portion 91 extends adjacent to and away from front face 40 in the second direction in which translucent portion 39 and ink supply portion 51 extends outwardly from front face 40.
  • Each of first plate portion 90 and second plate portion 91 extends further outwardly from front face 40 than translucent portion 39 and ink supply portion 51 extends from front face 40 in the second direction, independent of whether coil spring 34 is in an expanded or contracted position.
  • first plate portion 90 or second plate portion 91 may be omitted.
  • ink cartridge 30 is manufactured, as follows. An end of coil spring 34 is connected and fixed to spring seat 94 of third plate portion 94. Case 32 is then inserted from rear face 42 side into a space 87 which is surrounded by first plate portion 90, second plate portion 91, and third plate portion 92. Rails 55 and 56 is then inserted into first and second grooves 88 and 89, respectively, via wide portions 97. After that, the other end of coil spring 34 is connected and fixed to spring seat 48 of case 32. The direction in which movable member 33 and case 32 slides relative to each other is parallel to the direction in which coil spring 34 expands and contracts.
  • ink cartridge 30 when ink cartridge 30 is transferred, e.g., during shipment of ink cartridge 30 from a factory, ink cartridge 30 may vibrate. Nevertheless, the vibration may not be transferred to case 32 because coil spring 34 absorbs the vibration. Consequently, the vibration may not generate air bubbles in ink chamber 36.
  • first end 96 of first plate portion 90 or first end 96 of second plate portion 91, or both contacts the surface 23, and at least a portion of the impact of the collision is absorbed by coil spring 34. Consequently, case 32 is protected from the impact, and case 32 may not be damaged by the impact.
  • first plate portion 90 and second plate portion 91 extends further outwardly from front face 40 than translucent portion 39 and ink supply portion 51 extends from front face 40, ink supply portion 51 and translucent portion 39 do not contact surface 23. Consequently, the impact is not directly transferred to ink supply portion 51 or translucent portion 39, or both, which prevents ink supply portion 51. and translucent portion 39 from being damaged.
  • cartridge accommodating case 101 comprises a case main body 105 and a lock lever 106.
  • Case main body 105 comprises an accommodating chamber 108 formed therein.
  • Case main body 105 has an opening 110 formed therethrough, which is positioned adjacent to opening 18 of case 14 of printer portion 12.
  • Ink cartridge 30 is selectively installed in and removed from accommodating chamber 108 via opening 110.
  • Case main body 105 has a wall 114 defining an end of accommodating chamber 108 opposite from opening 110, and an optical sensor 103 is provided at wall 114.
  • Optical sensor 103 is a photo interrupter comprising a light emitting portion and a light receiving portion.
  • translucent portion 39 is positioned between the light emitting portion and the light receiving portion.
  • the intensity of light received by the light receiving portion varies. Based on the intensity of light received by the light receiving portion, it is determined whether the amount of ink in ink cartridge 30 is greater than or equal to a sufficient amount of ink.
  • a connecting portion 111 is provided at wall 114 below optical sensor 103. Connecting portion 111 extends from wall 144 towards the interior of accommodating chamber 108. When ink cartridge 30 is installed in accommodating chamber 108, connecting portion 111 is connected to ink supply portion 51, such that a needle (not shown) provided at connecting portion 111 penetrates through the film (not shown) of ink supply portion 51 and enters inner hole 53. Connecting portion 111 has a through hole 124 formed therethrough, and one end of through hole 14 is connected to the needle and the other end of through hole 14 is connected to a flexible tube (not shown) which is connected to a recording head (not shown).
  • Case main body 105 comprises a bottom wall 117, and a space 113 is formed between bottom wall 117 and connecting portion 111.
  • first end 96 of second plate portion 91 is positioned within space 113.
  • lock lever 106 is coupled to case main body 105 above opening 110, such that lock lever 106 pivots about the upper end of lock lever 106.
  • Lock lever 106 is configured to expose accommodating chamber 108 through opening 110 when lock lever 106 is opened, and to cover opening 110 when lock lever 106 is closed.
  • Lock lever 106 comprises a pressing portion 125 and a claw 126. Pressing portion 125 extends from a middle portion of an inner surface 129 of lock lever 106.
  • Claw 126 is positioned at the lower end of lock lever 106.
  • Bottom wall 117 has a cut-out 127 formed in the outer surface of bottom wall 117 below opening 110, and claw 126 is configured to engage cut-out 127.
  • Ink cartridge 30 is inserted into accommodating chamber 108 until ink supply portion 51 contacts connecting portion 111, translucent portion 39 enters between the light emitting portion and the light receiving portion of optical sensor 103, and first end 96 of second plate portion 91 enters space 113.
  • Lock lever 106 is then pivoted towards the case main body 105 until pressing portion 125 contacts third plate potion 92.
  • coil spring 34 contracts and movable member 33 moves towards wall 114, while case 32 remains stationary.
  • claw 126 engages cut-out 127, and lock lever 160 is completely closed and is fixed to case main body 105.
  • Lock lever 106 retains ink cartridge 30 in case main body 105 and ink supply portion 51 is pressed against connecting portion 111 by coil spring 34.
  • ink cartage 30 is installed in cartridge accommodating case 101 securely. Moreover, ink cartridge 30 is pressed in an installation direction as indicated by an arrow 70 in Figs. 8 and 9 with a constant force depending on the elasticity of coil spring 34. Furthermore, because ink supply portion 51 is pressed against connecting portion 111 tightly, ink is prevented from leaking between ink supply portion 51 and connecting portion 111.
  • case 32 in the expansion and contraction directions were altered when coil spring 34 expands and contracts, the shape of case 32 might be deformed when ink is consumed from ink chamber 36, and coil spring 34 might be fully expanded when ink stored in the ink chamber 36 is almost used up.
  • coil spring 34 when the user disengages claw 126 from cut-out 127, coil spring 34 might not expand further, which might not cause movable member 33 to push up lock lever 106 and not cause ink cartridge 30 to be partially ejected from case main body 105.
  • the shape of case 32 in the expansion and contraction directions is not be altered when coil spring 34 expands and contracts. Therefore, ink cartridge 30 is readily removed from cartridge accommodating case 101.
  • the entire moveable member 33 is configured to substantially simultaneously move in a first direction relative to case 32 when coil spring 34 member expands, and the entire moveable member 33 is configured to substantially simultaneously move relative to case 32 in a second direction opposite the first direction when coil spring 34 contracts. Therefore, the impact of the collision is sufficiently absorbed by coil spring 34. If the entire moveable member 33 were not configured to substantially simultaneously move relative to case 32, the impact of the collision might not be absorbed by coil spring 34 sufficiently. In particular, if some portion of the movable member 33 were stationary relative to case 32 and attached to case 32, such a portion might be damaged by the impact.
  • movable member 33 comprises a first plate portion 142 and a second plate portion 143 instead of first plate portion 90 and second plate portion 91.
  • a cross-sectional shape of each of first plate portion 142 and second plate portion 143 is trapezoidal.
  • the upper base of the trapezoidal cross sectional-shape of first plate portion 142 is shorter than the lower base of the trapezoidal cross-sectional shape of first plate portion 142.
  • the upper base of the trapezoidal cross-sectional shape of second plate portion 143 is longer than the lower base of the trapezoidal cross-sectional shape of second plate portion 143.
  • Case 32 does not comprise rails 55 and 56, but comprises a groove 144 and a groove 145 formed in top face 41 and bottom face 43, respectively.
  • Groove 144 extends from the corner of top face 41 and front face 40 to the corner of top face 41 and rear face 42 in the depth direction of case 32
  • groove 145 extends from the corner of bottom face 43 and front face 40 to the corner of bottom face 43 and rear face 42 in the depth direction of case 32.
  • a cross-sectional shape of each of groove 144 and groove 145 is trapezoidal. The upper base of the trapezoidal cross-sectional shape of groove 144 is shorter than the lower base of the trapezoidal cross-sectional shape of groove 144.
  • the upper base of the trapezoidal-cross sectional shape of groove 145 is longer than the lower base of the trapezoidal-cross sectional shape of groove 145.
  • First plate portion 142 and second plate portion 143 are inserted into groove 144 and groove 145, respectively, such that first plate portion 142 and second plate portion 143 slides in groove 144 and groove 145, respectively. Because of the trapezoidal cross-sectional shape of first plate portion 142, second plate portion 143, groove 144, and groove 145, case 32 and movable member 30 are coupled securely; and ink cartridge 140 may be disassembled only when movable member 30 slides off case 32 in the depth direction of case 32.
  • movable member 33 further comprises a fourth plate portion 152 extending from first end 96 of first plate portion 90 downwardly and substantially perpendicular to first plate portion 90.
  • the lower end of fourth plate portion 152 is positioned above and adjacent to translucent portion 39.
  • Fourth plate portion 152 may be manufactured separately from movable member 33, and may be attached to movable member 33 via ultrasonic welding.
  • fourth plate portion 152 When ink cartridge 150 contacts a surface with front face 40 facing downward, front face 40 is protected by fourth plate portion 152.
  • fourth plate portion 152 For example, when ink cartridge 150 contacts a surface with an amount of force greater than a predetermined amount of force, and coil spring 32 expands too much, the sliding motion of case 32 to the front face 40 side is restricted by forth plate portion 152.
  • movable member 33 further comprises a grasping portion 162 formed on and extending from the outer surface of third plate portion 92.
  • Ink cartridge 160 is configured to be installed in a cartridge accommodating case 165.
  • the user grasps grasping portion 162.
  • the position of grasping portion 162 depends on the color of ink stored in ink cartridge 160. Referring to Fig. 13 , a grasping portion 162K of an ink cartridge 160K storing black ink is positioned adjacent to the upper end of third plate portion 92, a grasping portion 162C of an ink cartridge 160C storing cyan ink is positioned below grasping portion 162K of ink cartridge 160K, a grasping portion 162Y of an ink cartridge 160Y storing yellow ink is positioned below grasping portion 162C of ink cartridge 160C, and a grasping portion 162M of an ink cartridge 160M storing magenta ink is positioned adjacent to the lower end of third plate portion 92 and below grasping portion 162Y of ink cartridge 160Y When ink cartridges 160K, 160C, 160Y, and 162M are placed side by side, grasping portions 162K, 162C, 162Y, and 162M are offset in the height direction of case 32. Therefore, a user readily grasps grasp
  • lock lever 106 comprises a recess 167 formed in inner surface 129 of lock lever 106 instead of pressing portion 125.
  • grasping portion 162 is accommodated in recess 167.
  • the shape and the position of recess 167 corresponds to the shape and the position of grasping portion 162.
  • the position of recess 167 depends on the color of ink which is stored in the installed ink cartridge 160.
  • Ink cartridge 160 is inserted into accommodating chamber 108 until ink supply portion 51 contacts connecting portion 111.
  • Lock lever 106 is then pivoted towards the case main body 105, grasping portion 162 enters recess 167, and an end 163 of grasping portion 162 contacts a bottom 168 of recess 167.
  • coil spring 34 contracts and movable member 33 moves towards wall 114, and case 32 remains stationary.
  • claw 126 engages cut-out 127, and lock lever 160 is completely closed and fixed to case main body 105.
  • recess 167 depends on the color of ink which the installed ink cartridge 160 stores therein, if ink cartridge 160K is inadvertently installed in cartridge accommodating case 165 configured to accommodate ink cartridge 160C, recess 167 does not accommodate grasping portion 162K. Consequently, a user readily notices that the user installed the ink cartridge in a wrong one of cartridge accommodating cases 165.

Landscapes

  • Ink Jet (AREA)
  • Impression-Transfer Materials And Handling Thereof (AREA)
  • Pens And Brushes (AREA)

Claims (13)

  1. Tintenkartusche mit:
    einer Einfassung (32), die zumindest einen Abschnitt einer Tintenkammer (36) darin definiert, wobei die Tintenkammer (36) zum Speichern von Tinte konfiguriert ist, und wobei die Einfassung (32) eine Vorderseite (40) und eine Rückseite (42) gegenüber der Vorderseite (40) hat;
    einem Tintenzuführabschnitt (51), der an der Vorderseite (40) der Einfassung (32) positioniert ist, wobei der Tintenzuführabschnitt (51) dazu konfiguriert ist, Tinte von einem Inneren der Tintenkammer (36) zu einer Außenseite der Tintenkammer (36) abzugeben;
    einem bewegbaren Element (33), das außerhalb der Einfassung (32) positioniert ist und dazu konfiguriert ist, sich relativ zu der Einfassung (32) zu bewegen; und
    zumindest einem elastischen Element (34), das ein erstes Ende, welches an der Rückseite (42) der Einfassung (32) gekoppelt ist, und ein zweites Ende hat, das an dem bewegbaren Element (33) gekoppelt ist;
    wobei das zumindest eine elastische Element (34) dazu konfiguriert ist, sich in einer Expansionsrichtung auszudehnen und sich in einer Kontraktionsrichtung entgegen der Expansionsrichtung zusammenzuziehen, um das bewegbare Element (33) relativ zu der Einfassung (32) zu bewegen, und wobei eine Form der Einfassung (32) in der Expansions- und Kontraktionsrichtung unverändert ist, wenn sich das zumindest eine elastische Element (34) ausdehnt und zusammenzieht;
    wobei das ganze bewegbare Element (33) dazu konfiguriert ist, sich im Wesentlichen gleichzeitig in einer ersten Richtung relativ zu der Einfassung (32) zu bewegen, wenn sich das zumindest eine elastische Element (34) ausdehnt, und wobei das ganze bewegbare Element (33) dazu konfiguriert ist, sich im Wesentlichen gleichzeitig in einer zweiten Richtung entgegen der ersten Richtung zu bewegen, wenn sich das zumindest eine elastische Element (34) zusammenzieht; und
    wobei die erste und die zweite Richtung parallel zu der Expansions- und Kontraktionsrichtung sind;
    gekennzeichnet durch:
    einen lichtdurchlässigen Abschnitt (39), der an der Vorderseite (40) der Einfassung (32) positioniert ist und sich von der Tintenkammer (36) weg erstreckt, wobei der lichtdurchlässige Abschnitt (39) einen darin ausgebildeten Innenraum (46) hat, und wobei der Innenraum (46) dazu konfiguriert ist, mit der Tintenkammer (36) in einer Fluidverbindung zu sein;
    ein weiteres bewegbares Element (62), das innerhalb des Innenraums (46) positioniert ist, wobei das weitere bewegbare Element (62) dazu konfiguriert ist, sich innerhalb des Innenraums (46) auf der Grundlage einer Tintenmenge in der Tintenkammer (36) zu bewegen.
  2. Tintenkartusche gemäß Anspruch 1, des Weiteren mit einem Lufteinlassabschnitt (50), der an der Einfassung (32) positioniert ist, wobei der Lufteinlassabschnitt (50) dazu konfiguriert ist, Luft in die Tintenkammer (36) einzuziehen.
  3. Tintenkartusche gemäß Anspruch 2, wobei der Lufteinlassabschnitt (50) an der Vorderseite (40) der Einfassung (32) positioniert ist.
  4. Tintenkartusche gemäß Anspruch 1, wobei zumindest ein Abschnitt des bewegbaren Elements (33) sich angrenzend zu und von der Vorderseite (40) der Einfassung (32) in der zweiten Richtung weg erstreckt.
  5. Tintenkartusche gemäß Anspruch 4, wobei sich der Tintenzuführabschnitt (51) von der Vorderseite (40) der Einfassung (32) in der zweiten Richtung erstreckt, und wobei sich der zumindest eine Abschnitt des bewegbaren Elements (33) weiter von der Vorderseite (40) der Einfassung (32) in der zweiten Richtung weg erstreckt als sich der Tintenzuführabschnitt von der Vorderseite der Einfassung in der zweiten Richtung erstreckt.
  6. Tintenkartusche gemäß Anspruch 6, wobei sich zumindest ein Abschnitt des bewegbaren Elements (33) angrenzend zu und von der Vorderseite (40) der Einfassung (32) in der zweiten Richtung weg erstreckt.
  7. Tintenkartusche gemäß Anspruch 7, wobei sich der Tintenzuführabschnitt (51) und der lichtdurchlässige Abschnitt (39) jeweils von der Vorderseite (40) der Einfassung (32) in der zweiten Richtung erstrecken, und wobei sich der zumindest eine Abschnitt des bewegbaren Elements (33) weiter von der Vorderseite (40) der Einfassung (32) in der zweiten Richtung erstreckt als sich der Tintenzuführabschnitt (51) und der lichtdurchlässige Abschnitt (39) jeweils von der Vorderseite (40) der Einfassung (32) in der zweiten Richtung erstrecken.
  8. Tintenkartusche gemäß Anspruch 1, wobei die Einfassung des Weiteren eine besondere Seite aufweist, die jeweils mit der Vorderseite (40) und der Rückseite (42) verbunden ist, und wobei das bewegbare Element (33) einen ersten Abschnitt (92) und einen zweiten Abschnitt (90, 91) aufweist, der sich von dem ersten Abschnitt (92) in der zweiten Richtung erstreckt, wobei das zumindest eine elastische Element (34) an dem ersten Abschnitt (92) des bewegbaren Elements (33) gekoppelt ist und der zweite Abschnitt (90, 91) des bewegbaren Elements (33) mit der besonderen Seite in Eingriff gelangt und sich von der Vorderseite (40) in der zweiten Richtung weg erstreckt.
  9. Tintenkartusche gemäß Anspruch 9, wobei sich der Tintenzuführabschnitt (51) von der Vorderseite (40) der Einfassung (32) in der zweiten Richtung erstreckt und der zweite Abschnitt des bewegbaren Elements (33) sich weiter von der Vorderseite (40) der Einfassung (32) in der zweiten Richtung erstreckt als sich der Tintenzuführabschnitt (51) von der Vorderseite (40) der Einfassung (32) in der zweiten Richtung erstreckt.
  10. Tintenkartusche gemäß Anspruch 1 oder 10, wobei sich der Tintenzuführabschnitt (51) und der lichtdurchlässige Abschnitt (39) jeweils von der Vorderseite (40) der Einfassung (32) in der zweiten Richtung erstrecken, und sich der zweite Abschnitt des bewegbaren Elements (33) weiter von der Vorderseite (40) der Einfassung (32) in der zweiten Richtung erstreckt als sich der Tintenzuführabschnitt (51) und der lichtdurchlässige Abschnitt (39) jeweils von der Vorderseite (40) der Einfassung (32) in der zweiten Richtung erstrecken.
  11. Tintenkartusche gemäß Anspruch 1, wobei die Einfassung (32) des Weiteren eine besondere Seite, die jeweils mit der Vorderseite und der Rückseite verbunden ist, und eine weitere Seite gegenüber der besonderen Seite aufweist, die jeweils mit der Vorderseite (40) und der Rückseite (42) verbunden ist, wobei das bewegbare Element (33) des Weiteren einen ersten Abschnitt, einen zweiten Abschnitt, der sich von dem ersten Abschnitt in der zweiten Richtung erstreckt, und einen dritten Abschnitt aufweist, der sich von dem ersten Abschnitt in der zweiten Richtung erstreckt, wobei das zumindest eine elastische Element an dem ersten Abschnitt des bewegbaren Elements (33) gekoppelt ist, der zweite Abschnitt des bewegbaren Elements (33) mit der besonderen Seite in Eingriff gelangt und sich von der Vorderseite (40) in der zweiten Richtung weg erstreckt, und der dritte Abschnitt des bewegbaren Elements (33) mit der weiteren Seite in Eingriff gelangt und sich von der Vorderseite (40) in der zweiten Richtung weg erstreckt.
  12. Tintenkartusche gemäß Anspruch 12, wobei sich der Tintenzuführabschnitt (51) von der Vorderseite (40) der Einfassung (32) in der zweiten Richtung erstreckt, und sich der zweite Abschnitt und der dritte Abschnitt des bewegbaren Elements (33) jeweils weiter von der Vorderseite (40) der Einfassung (32) in der zweiten Richtung erstrecken als sich der Tintenzuführabschnitt (51) von der Vorderseite (40) der Einfassung (32) in der zweiten Richtung erstreckt.
  13. Tintenkartusche gemäß Anspruch 1 oder 13, wobei sich der Tintenzuführabschnitt (51) und der lichtdurchlässige Abschnitt (39) jeweils von der Vorderseite (40) der Einfassung (32) in der zweiten Richtung erstrecken, und sich der zweite Abschnitt und der dritte Abschnitt des bewegbaren Elements (33) jeweils weiter von der Vorderseite (40) der Einfassung (32) in der zweiten Richtung erstrecken als sich der Tintenzuführabschnitt (51) und der lichtdurchlässige Abschnitt (39) jeweils von der Vorderseite (40) der Einfassung (32) in der zweiten Richtung erstrecken.
EP10157796A 2008-02-28 2008-02-28 Tintenpatrone Active EP2204287B1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP08003702A EP2095960B1 (de) 2008-02-28 2008-02-28 Tintenpatrone

Related Parent Applications (1)

Application Number Title Priority Date Filing Date
EP08003702.1 Division 2008-02-28

Publications (3)

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EP2204287A2 EP2204287A2 (de) 2010-07-07
EP2204287A3 EP2204287A3 (de) 2010-07-28
EP2204287B1 true EP2204287B1 (de) 2012-11-14

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EP10157796A Active EP2204287B1 (de) 2008-02-28 2008-02-28 Tintenpatrone

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EP08003702A Active EP2095960B1 (de) 2008-02-28 2008-02-28 Tintenpatrone

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EP (2) EP2095960B1 (de)
AT (1) ATE471819T1 (de)
DE (1) DE602008001595D1 (de)
ES (1) ES2345412T3 (de)
HK (1) HK1130032A1 (de)

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Publication number Priority date Publication date Assignee Title
WO2014115506A1 (ja) * 2013-01-24 2014-07-31 セイコーエプソン株式会社 液体収容容器及び液体噴射装置

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA2310181C (en) * 1999-05-31 2004-06-22 Canon Kabushiki Kaisha Ink tank, ink-jet cartridge, ink-supplying apparatus, ink-jet printing apparatus and method for supplying ink
JP2001071522A (ja) 1999-09-03 2001-03-21 Canon Inc 液体容器およびプリント装置
DE60211443T2 (de) * 2001-10-05 2006-11-16 Canon K.K. Tintenbehälter, Flüssigkeitszufuhrvorrichtung und Aufzeichnungsvorrichtung
US7604324B2 (en) * 2004-10-27 2009-10-20 Brother Kogyo Kabushiki Kaisha Apparatus for ejecting droplets
US7578584B2 (en) 2005-09-29 2009-08-25 Brother Kogyo Kabushiki Kaisha Ink cartridge
US7690773B2 (en) * 2006-03-31 2010-04-06 Brother Kogyo Kabushiki Kaisha Ink cartridges
US7438399B2 (en) * 2005-12-05 2008-10-21 Silverbrook Research Pty Ltd Printhead cartridge having constant negative pressure head ink supply
US7188939B1 (en) * 2006-03-31 2007-03-13 Brother Kogyo Kabushiki Kaisha Ink cartridges

Also Published As

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EP2095960B1 (de) 2010-06-23
DE602008001595D1 (de) 2010-08-05
EP2095960A1 (de) 2009-09-02
HK1130032A1 (en) 2009-12-18
ATE471819T1 (de) 2010-07-15
EP2204287A2 (de) 2010-07-07
ES2345412T3 (es) 2010-09-22
EP2204287A3 (de) 2010-07-28

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