EP2147792A1 - Agencement de récipient - Google Patents

Agencement de récipient Download PDF

Info

Publication number
EP2147792A1
EP2147792A1 EP08013450A EP08013450A EP2147792A1 EP 2147792 A1 EP2147792 A1 EP 2147792A1 EP 08013450 A EP08013450 A EP 08013450A EP 08013450 A EP08013450 A EP 08013450A EP 2147792 A1 EP2147792 A1 EP 2147792A1
Authority
EP
European Patent Office
Prior art keywords
adapter
ink
wall
ink tank
packaging bag
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP08013450A
Other languages
German (de)
English (en)
Other versions
EP2147792B1 (fr
Inventor
Hirotake Nakamura
Shingo Hattori
Tomohiro Kanbe
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
Application filed by Brother Industries Ltd filed Critical Brother Industries Ltd
Priority to DE200820018050 priority Critical patent/DE202008018050U1/de
Priority to EP20080013450 priority patent/EP2147792B1/fr
Publication of EP2147792A1 publication Critical patent/EP2147792A1/fr
Application granted granted Critical
Publication of EP2147792B1 publication Critical patent/EP2147792B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • B41J2/17533—Storage or packaging of ink cartridges
    • 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
    • B41J2/1752—Mounting within the printer
    • B41J2/17523—Ink connection
    • 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
    • B41J2/17536—Protection of cartridges or parts thereof, e.g. tape
    • 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 a container arrangement.
  • the present invention is related to a container arrangement comprising an ink tank packed in a package bag, an adapter to be used with the ink tank, and a container enclosing the ink tank and the adapter.
  • a known inkjet recording apparatus is configured to record an image on a sheet of paper with ink.
  • This known inkjet recording apparatus has a recording head, and the recording head has a plurality of nozzles formed therein.
  • the recording head is configured to selectively eject ink from the nozzles such that an image is formed on a sheet of paper.
  • the inkjet recording apparatus has a mounting portion to which a known ink cartridge is removably mounted.
  • the ink cartridge has an ink chamber configured to store ink therein, and when the ink cartridge is mounted to the mounting portion, ink is allowed to be supplied from the ink chamber to the recording head.
  • Such a known inkjet recording apparatus and a known ink cartridge are described in JP-A-2007-144811 .
  • yet another known ink cartridge has an ink chamber configured to store deaerated ink. To maintain the deaerated state of ink, the ink cartridge is packed in a package bag which is impervious to gas, and the interior of the package bag is depressurized.
  • a space may be formed by a portion of the ink cartridge and a portion of the package bag.
  • the atmospheric pressure acts on one surface of the portion of the ink cartridge via the package bag while the pressure in the space is less than the atmospheric pressure. Therefore the portion of the ink cartridge may bend into the space if the rigidity of the ink cartridge is relative low.
  • the portion of the ink cartridge may be deformed and may not restore to its original shape even after the ink cartridge is taken out of the package bag.
  • a technical advantage of the present invention is that deformation of an ink cartridge may be prevented.
  • a container arrangement comprises a packaging arrangement, an adapter, and a container enclosing each of the packaging arrangement and the adapter.
  • the packaging arrangement comprises an ink tank and a packaging bag enclosing the ink tank.
  • the ink tank defines an ink chamber therein, and the ink chamber is configured to store ink therein.
  • a pressure of an interior of the packaging bag is less than a pressure of an exterior of the packaging bag.
  • An adapter is configured to be used with the ink tank. The adapter is positioned outside the packaging bag.
  • the ink tank may comprise a first member configured to maintain a shape thereof against a force applied to the first member.
  • the force may be generated by a pressure differential between the interior of the packaging bag and the exterior of the packaging bag.
  • the adapter may comprise a second member, and a rigidity of the second member may be less than a rigidity of the first member.
  • the packaging bag may be flexible, such that when there is a pressure differential the interior of the packaging bag and the exterior of the packaging bag, the packaging bag bends.
  • the second member may be configured to block light when the second member receives the light.
  • a mounting portion of an inkjet recording apparatus is configured to receive the adapter and the ink tank.
  • the mounting portion comprises an optical sensor comprising a light emitting portion and a light receiving portion.
  • the light emitting portion and the light receiving portion faces each other, and an optical path is formed between the light emitting portion and the light receiving portion. Because the intensity of light decreases as the light travels, the distance between the light emitting portion and the light receiving portion is set short.
  • the second member may be positioned in the optical sensor. In such a case, the second member needs to be thin enough to enter between the light emitting portion and the light receiving portion.
  • the second member would bend by the force generated by a pressure differential between the interior of the packaging bag and the exterior of the packaging bag. Nevertheless, because the second member is positioned outside the packaging bag, the second member is prevented from being deformed.
  • the second member may have a plate shape.
  • the second member having a plate shape were packaged in the packaging bag, the second member would bend by the force generated by a pressure differential between the interior of the packaging bag and the exterior of the packaging bag. Nevertheless, because the second member is positioned outside the packaging bag, the second member is prevented from being deformed.
  • the adapter may comprise a wall, and the second member extends from the wall in a direction away from the particular wall.
  • the adapter may have a space formed therein, and at least one portion of the ink tank is configured to be accommodated in the space of the adapter, and the second member may be a wall defining a portion of the space.
  • the atmospheric pressure would act on one surface of the wall via the packaging bag while the pressure in the space is less than the atmospheric pressure. Therefore the wall would bend into the space. Nevertheless, because the adapter is positioned outside the packaging bag, the wall is prevented from being deformed.
  • the adapter may comprise a wall and have a space formed therein, and a portion of the space may be defined by the wall. At least one portion of the ink tank may be configured to be accommodated in the space of the adapter.
  • the atmospheric pressure would act on one surface of the wall via the packaging bag while the pressure in the space is less than the atmospheric pressure. Therefore the wall would bend into the space. Nevertheless, because the adapter is positioned outside the packaging bag, the wall is prevented from being deformed.
  • the adapter may have an opening formed therethrough, and an end of the wall may define a portion of the opening.
  • the end of the wall would be more likely to bend. Nevertheless, because the adapter is positioned outside the packaging bag, the wall is prevented from being deformed.
  • the wall may have an opening formed therethrough.
  • the wall would be more likely to bend at a portion around the opening.
  • a particular portion of the ink tank may be positioned in the opening.
  • the particular portion may be an ink supply portion configured to supply ink from an interior of the ink chamber to the exterior of the ink chamber.
  • the first member may be a frame defining a perimeter of the ink chamber.
  • the frame may increase the rigidity of the ink tank.
  • the container may have a box shape.
  • Fig. 1 is a cross-sectional, pattern diagram of a recording apparatus according to an embodiment of the present invention.
  • Figs. 2(A) and 2(B) are perspective views of an ink tank according to an embodiment of the present invention.
  • Fig. 3(A) is a front view of the ink tank of Figs. 2(A) and 2(B)
  • Fig. 3(B) is a side, cross-sectional, view of the ink tank of Figs. 2(A) and 2(B) .
  • Fig. 4 is a perspective view of a packaging arrangement according to an embodiment of the present invention.
  • Fig. 5 is a perspective view of an adapter according to an embodiment of the present invention.
  • Fig. 6 is a side, cross-sectional, view of the adapter of Fig. 5 .
  • Fig. 7 is a perspective view of a container arrangement according to an embodiment of the present invention.
  • Fig. 8 is a side, partially cross-sectional, view of a cartridge mounting portion according to an embodiment of the present invention.
  • Fig. 9 is a side, partially cross-sectional, view of the cartridge mounting portion of Fig. 8 , the adapter of Fig. 5 , and the ink tank of Figs. 2(A) and 2(B) , in which the insertion of the adapter into the cartridge mounting portion is completed, and ink tank is being inserted into cartridge mounting portion.
  • Fig. 10 is a side, partially cross-sectional, view of the cartridge mounting portion of Fig. 8 , the adapter of Fig. 5 , and the ink tank of Figs. 2(A) and 2(B) , in which the insertion of the adapter into the cartridge mounting portion is completed, and the ink tank is further inserted into cartridge mounting portion from the position shown in Fig. 9 .
  • Fig. 11 is a side, partially cross-sectional, view of the cartridge mounting portion of Fig. 8 , the adapter of Fig. 5 , and the ink tank of Figs. 2(A) and 2(B) , in which in which the insertion of the adapter into the cartridge mounting portion is completed, and a lock lever of the cartridge mounting portion contacts the ink tank.
  • Fig. 12 is a side, partially cross-sectional, view of the cartridge mounting portion of Fig. 8 , the adapter of Fig. 5 , and the ink tank of Figs. 2(A) and 2(B) , in which the insertion of the adapter into the cartridge mounting portion is completed, the insertion of the adapter into the cartridge mounting portion is completed, and the lock lever of the cartridge mounting portion is secured to a case of the cartridge mounting portion.
  • Fig. 13 is a simplified cross sectional side view of the adapter of Fig. 5 , in which the adapter is positioned in a packaging bag, and the interior of the packaging bag is depressurized. Detailed portions of the adapter are omitted or modified.
  • an inkjet recording apparatus 250 is depicted.
  • Recording apparatus 250 is configured to record an image, e.g. , a monochrome image or color image, on a recording medium, e.g. , a sheet of paper, with at least one ink, e.g. , four inks such as a black ink, a yellow ink, a cyan ink, and a magenta ink.
  • Recording apparatus 250 comprises a feeding device 252, transferring device 253, a recording device 254, and a cartridge mounting portion 276.
  • Cartridge mounting portion 276 is configured to receive an ink cartridge.
  • the ink cartridge comprises an adapter 27 (not shown in Fig.
  • Recording apparatus 250 also comprises a first tray 257 and a second tray 258, and recording apparatus 250 has a transfer path 259 extending from first tray 257 to second tray 258.
  • Feeding device 252 is configured to feed sheets of paper accommodated in first tray 257 one by one to transfer path 259.
  • Transferring device 253 comprises a first pair of transfer rollers 261 and a second pair of transfer rollers 262 positioned along transfer path 259.
  • First pair of transfer rollers 261 is positioned on the upstream side of recording device 254 and second pair of transfer rollers 262 is positioned on the downstream side of recording device 254 along transfer path 259.
  • Recording apparatus 250 also comprises a platen 264 positioned directly below recording device 254.
  • the sheet of paper fed by feeding device 252 is transferred onto platen 264 by first pair of transfer rollers 261.
  • Recording device 254 is configured to record an image on the sheet of paper being transferred over platen 264.
  • the sheet of paper having passed over platen 264 is transferred by second pair of transfer rollers 262 to second tray 258, which is positioned at the downstream end of transfer path 259.
  • Recording device 254 comprises a carriage 266, and a recording head 272 mounted in carriage 266.
  • Carriage 266 is supported by rails (not shown) such that carriage 266 slides on rails in a direction perpendicular to the paper plane of Fig. 1 .
  • Recoding head 272 is configured to eject ink onto the sheet of paper.
  • Cartridge mounting portion 276 is configured to mount at least one ink tank 25, e.g. , four ink tanks 25 storing four kinds of inks such as a black ink, a yellow ink, a cyan ink, and a magenta ink, respectively.
  • Cartridge mounting portion 276 also is configured to mount at least one adapter 27, e.g. , four adapters 27 corresponding to four ink tanks 25, respectively.
  • Cartridge mounting portion 276 comprises at least one case 280, e.g. , four cases 280 corresponding to four ink tanks 25, respectively.
  • Ink tank 25 and adapter 27 are configured to be inserted into and removed from case 280.
  • Ink tank 25 comprises an ink chamber 100 defined therein.
  • Ink chamber 100 is configured to store ink therein.
  • Recording apparatus 250 comprises at least one flexible tube 278, e.g. , four, flexible tubes 278 connected to cases 280, respectively, and to recording head 272.
  • ink tank 25 and adapter 27 are mounted to cartridge mounting portion 276, ink is allowed to be supplied from ink chamber 100 to recording head 272 via a corresponding one of tubes 278.
  • ink tank 25 has a substantially rectangular parallelepiped shape.
  • a width of ink tank 25 in a width direction as indicated by an arrow 31 is relatively short, and each of a height of ink tank 25 in a height direction as indicated by an arrow 32, and a depth of ink tank 25 in a depth direction as indicated by an arrow 33, is greater than the width of ink tank 25.
  • Ink tank 25 comprises a top outer face 43 and a bottom outer face 44 opposite top outer face 43, and when ink tank 10 is mounted to cartridge mounting portion 276, top outer face 43 is positioned above bottom outer face 44.
  • Ink tank 25 is configured to be inserted into case 280 in an insertion direction 30, which is parallel to depth direction 33.
  • Ink tank 10 comprises a front outer face 41, a rear outer face 42 opposite front outer face 41, a left side outer face 45, and a right side outer face 46 opposite left side outer face 45.
  • Each of front outer face 41 and rear outer face 42 is connected to top outer face 43 and bottom outer face 44
  • each of left side outer face 45 and right side outer face 46 is connected to front outer face 41, rear outer face 42, top outer face 43, and bottom outer face 44.
  • Front outer face 41, rear outer face 42, top outer face 43, bottom outer face 44, left side outer face 45, and right side outer face 46 are substantially parallel to its opposing face, and substantially perpendicular to the other faces.
  • Each of an area of left side outer face 45 and an area of right side outer face 46 is greater than each of an area of front outer face 41, an area of rear outer face 42, an area of top outer face 43, and an area of bottom outer face 44.
  • Ink tank 25 is inserted into case 280 from front outer face 41-side.
  • Ink tank 25 comprises a frame 50, a pivotable member 70, an air communication portion 80, an ink supply portion 90, a pair of side walls 60.
  • Frame 50 defines front outer face 41, rear outer face 42, top outer face 43, and bottom outer face 44 of ink tank 25.
  • Pair of side walls 60 is connected to, e.g. , attached to, frame 50, respectively, and pair of side walls 60 defines left side outer face 45 and right side outer face 46 of ink tank 25, respectively.
  • Frame 50 is formed of a translucent resin material, e.g. , a transparent material or a semi-transparent material, and light, e.g. , visible or infrared light passes therethrough.
  • frame 50 is manufactured by injection-molding polypropylene.
  • frame 50 may be manufactured by injection-molding polyacetal, nylon, polyethylene, or the like.
  • Frame 50 integrally comprises a detection portion 140 positioned at front outer face 41. Detection portion 140 is formed of the same material as frame 50.
  • substantially an entirety of frame 50 is formed of an opaque resin material, but detection portion 140 is formed of a translucent resin material, e.g. , a transparent material or a semi-transparent material, and light, e.g. , visible or infrared light passes therethrough.
  • Frame 50 comprises an outer peripheral wall 51 and a plurality of inner walls or inner ribs 52.
  • Inner walls or inner ribs 52 are positioned inside outer peripheral wall 51.
  • Outer peripheral wall 51 and each of inner walls or inner ribs 52 are connected to each other via a connecting wall (not shown) extending in a plane parallel to height direction 32 and depth direction 33.
  • Outer peripheral wall 51 and inner walls or inner ribs 52 extend in width direction 31.
  • Outer peripheral wall 51 has a substantially square or rectangular profile extending along front outer face 41, top outer face 43, rear outer face 42, and bottom outer surface 44 defining a perimeter of ink chamber 100.
  • Outer peripheral wall 51 has a thickness extending from an outer face of outer peripheral wall 51, e.g.
  • Frame 50 has a rigidity which is high enough to maintain the shape of ink tank 25 when an external force is applied to ink tank 25.
  • the rigidity of frame 50 is relatively high in the depth direction 33.
  • the rigidity of frame 50 is greater than the rigidity of adapter 27 against a predetermined force.
  • ink tank 25 When ink tank 25 is packed in a packaging bag 128, and an interior of packaging bag 128 is depressurized, the pressure differential between the interior of packaging bag 128 and an exterior of packaging bag 128 may apply a force to ink tank 25 via packaging bag 128. Moreover, when an interior of ink chamber 100 is depressurized, the pressure differential between the interior of ink chamber 100 and an exterior of ink chamber 100 may apply a force to ink tank 25. Nevertheless, even in such situation, ink tank 25 is not substantially deformed because of the rigidity of frame 50. Frame 50 may slightly bend when receiving force, but frame 50 restores to its original shape when the force is released.
  • Pair of side walls 60 is connected to, e.g. , adhered to, the ends of frame 50 in width direction 31, respectively, via an adhesion method, e.g. , a thermal adhesion method, such that the openings are covered by pair of side walls 60, respectively, and outer peripheral wall 51 and pair of side walls 60 defines ink chamber 100 therein. More specifically, pair of side walls 60 is connected to both ends of outer peripheral wall 51 and both ends of inner walls or inner ribs 52 in width direction 31. Pair of side walls 60 is formed of the same material as the frame. Pair of side walls 60 may be a pair of translucent films, e.g. , transparent or semi-transparent films.
  • pair of side walls 60 is connected to inner walls or inner ribs 52, when a force is applied to pair of side walls 60 toward ink chamber 100, inner walls or inner ribs 52 support pair of side walls 60. Therefore, pair of side walls 60 does not substantially bend and is not substantially deformed toward ink chamber 100. Pair of side walls 60 may slightly bend when receiving the force, but pair of side walls 60 restores to its original shape when the force is released.
  • Ink tank 25 may comprise a pair of covers covering pair of side walls 60 to reinforce the rigidity of ink tank 25.
  • Ink stored in ink chamber 100 may be deaerated, and the interior of ink chamber 100 may be depressurized to maintain the deaerated state of ink.
  • the pressure in the interior of ink chamber may be -80 kPa to -35 kPa, for example.
  • Detection portion 140 extends outward from a middle portion of front outer face 41 of frame 50 in height direction 32. Detection portion 140 extends away from ink chamber 100. Detection portion 140 comprises five rectangular walls and has a substantially a hollow box shape. For example, detection portion 140 comprises a front wall 140A, a pair of side walls 140B, a top wall 140C, and a bottom wall 140D. Front wall 140A extends parallel to front outer face 41 and is separated from front face 41 by a predetermined distance.
  • Detection portion 140 is configured to receive light, e.g. , visible or infrared light, emitted from an optical sensor 230, e.g. , a photo interrupter, positioned in cartridge mounting portion 276.
  • a light emitting portion of optical sensor 230 faces one of side walls 140B and a light receiving portion of optical sensor 230 faces the other of the side walls 140B. Light emitted from the light emitting portion of optical sensor 230 may pass through side walls 140B and reach the light receiving portion of optical sensor 230.
  • Detection portion 140 has an inner space 142 defined by front wall 140A, side walls 140B, top wall 140C, and bottom wall 140D. There is no wall between inner space 142 and ink chamber 100 such that inner space 142 is in fluid communication with ink chamber 100.
  • Pivotable member 70 is positioned in ink chamber 100. Pivotable member 70 comprises an indication portion 72 positioned at a first end of pivotable member 70 and a float 73 positioned at a second end of pivotable member opposite the first end of pivotable member 70. Indication portion 72 is configured to be positioned in inner space 142. Pivotable member 70 extends from indication portion 72 to float 73 in a plane substantially parallel to height direction 32 and depth direction 33.
  • Pivotable member 70 comprises a shaft 66 positioned between indication portion 72 and float 73.
  • Shaft 66 extends in width direction 31. Both ends of shaft 66 are supported by bearings (not shown) positioned at inner surfaces of pair of side walls 66, respectively, such that pivotable member 70 pivots about shaft 66.
  • bearings are not positioned at inner surfaces of pair of side walls 66. Instead, shaft 66 is supported by the bearings positioned at frame 50.
  • Pivotable member 70 is formed of an opaque material. Pivotable member 70 is manufactured by injection-molding a resin, e.g. , nylon, polyethylene, polypropylene, polycarbonate, polyolefin, acrylic resin, or the like. A coloring agent, e.g. , carbon black may be added in the resin.
  • at least indication portion 72 may be formed of an opaque material, and other portions of pivotable member 70 may be formed of a non-opaque material. When indication portion 72 receives light emitted from optical sensor 230, indication portion 72 is configured to block the light. For example, indication portion 72 prevents the light from passing therethrough.
  • pivotable member 70 may comprise a reflective member, e.g. , aluminum foil, positioned at indication portion 72, and when indication portion 72 receives light emitted from optical sensor 230, indication portion 72 reflects the light.
  • the specific gravity of float 73 is less than the specific gravity of ink in ink chamber 100.
  • float 73 has a hollow space formed therein.
  • Float 73 is configured to move up and down in accordance with increase and decrease of ink amount in ink chamber 100.
  • pivotable member 70 pivots about shaft 66.
  • indication portion 72 moves up and down in inner space 142.
  • indicator portion 72 When ink chamber 100 has a sufficient amount of ink therein, indicator portion 72 is positioned in a first position in which indicator portion 72 contacts bottom wall 140D as shown in solid line in Fig. 3 . When ink chamber 100 does not have a sufficient amount of ink therein, indicator potion 72 is positioned in a second position in which indication portion 72 is separated from bottom wall 140D and contacts top wall 140C. By monitoring whether indicator portion 72 is positioned in the first position from an exterior of detection portion 140 by optical sensor 230 for example, it is determined that whether ink chamber 100 has a sufficient amount of ink therein.
  • Air communication portion 80 is positioned at front outer face 41. When ink tank 25 is mounted to recording apparatus 250, air communication portion 80 is positioned above detection portion 140. Air communication portion 80 has an opening 81 formed through front outer face 41 to draw air into ink chamber 100, a valve mechanism configured to selectively be opened and closed such that fluid communication between an interior and an exterior of ink chamber 100 through opening 81 is selectively allowed and prevented, and a cap 85 enclosing the valve mechanism. Cap 85 is attached to front outer face 41 and extends outward from front outer face 41 away from ink chamber 100, such that the valve mechanism is positioned adjacent to opening 81.
  • valve mechanism of air communication portion 80 a valve mechanism described in JP-A-2007-144811 or US 2007/0070138 A1 is used as the valve mechanism of air communication portion 80.
  • the valve mechanism of air communication portion 80 comprises a rod 84 extending to an exterior of cap 85. Only rod 84 is shown in Figs. 3(A) and 3(B) , and other portions of the valve mechanism is omitted in Figs. 3(A) and 3(B) .
  • the valve mechanism When no external force is applied to the valve mechanism, the valve mechanism is closed such that the fluid communication between the interior and the exterior of ink chamber 100 through opening 81 is prevented.
  • rod 84 moves toward ink chamber 100 to cause the valve mechanism to be opened such that the fluid communication between the interior and the exterior of ink chamber 100 through opening 81 is allowed.
  • Ink supply portion 90 is positioned at front outer face 41. When ink tank 25 is mounted to recording apparatus 250, ink supply portion 90 is positioned below detection portion 140. Ink supply portion 90 has an opening 91 formed through front outer face 41 to supply ink from the interior of ink chamber 100 to the exterior of ink chamber 100, a valve mechanism (not shown) configured to selectively be opened and closed such that fluid communication between the interior and the exterior of ink chamber 100 through opening 91 is selectively allowed and prevented, and a cap 95 enclosing the valve mechanism. Cap 95 is attached to front outer face 41 and extends outward from front outer face 41 away from ink chamber 100, such that the valve mechanism is positioned adjacent to opening 91.
  • valve mechanism of ink supply portion 90 a valve mechanism described in JP-A-2007-144811 or US 2007/0070138 A1 is used as the valve mechanism of ink supply portion 90.
  • another kind of known valve mechanism may be used as the valve mechanism of ink supply portion 90.
  • cartridge mounting portion 276 comprises an ink pipe 285, and when ink pipe 285 enters cap 95 and applies a force to, e.g. , pushes the valve mechanism toward ink chamber 100, the valve mechanism is opened such that ink is allowed to be supplied from ink chamber 100 to recording head 272 through ink pipe 285 and flexible tube 278.
  • a packaging arrangement 130 according to an embodiment of the present invention comprises ink tank 25 and packaging bag 128 enclosing ink tank 25 therein.
  • Packaging bag 128 is impervious to liquid and gas. After ink tank 25 is manufactured, ink tank 25 is packed in packaging bag 128.
  • adapter 27 is used with ink tank 25 in cartridge mounting portion 276, adapter 27 is not packed in packaging bag 128 with ink tank 25.
  • Packaging bag 128 is formed of a flexible film which is impervious to at least ink and air, and the film is translucent, e.g. , transparent or semi-transparent such that an interior of packaging bag 128 can be seen from an exterior of packaging bag 128. Although packaging bag 128 is impervious to air, it may be difficult to prevent air from passing therethrough completely. Strictly speaking, some air may pass through packaging bag 128, but the amount of the air passing through packaging bag 128 is so small that packaging bag 128 is substantially impervious to air.
  • Packaging bag 128 may comprise a resin film, e.g. , a polyethylene terephthalate film, and an aluminum foil deposited on the resin film by evaporation.
  • Packaging arrangement 130 is manufactured as follows. Ink tank 25 is inserted into packaging bag 128 through an opening of packaging bag 128, and then a portion of the opening of the packaging bag 128 is closed by adhering the edge of the opening, such that another portion of the opening is not closed. Then, the suction tube of the decompression device is inserted into the packaging bag 128 through the unclosed portion of the opening, and the decompression device is activated to discharge air from the packaging bag 128.
  • the suction tube is removed, and the unclosed portion of the opening is closed by adhering the edge of the unclosed portion of the opening, such that the interior of packaging bag 128 is maintained under lower pressure than the atmospheric pressure, e.g., -90 kPa to -45 kPa.
  • Ink stored in ink chamber 100 may be deaerated, and the interior of ink chamber 100 may be depressurized. In such a case, because the interior of packaging bag 128 is depressurized, the pressure in ink chamber 100 may be prevented from being restored to the atmospheric pressure when the ink tank 25 is left unused for a substantial amount of time.
  • adapter 27 according to an embodiment of the present invention is depicted.
  • Adapter 27 is used with ink tank 25 in cartridge mounting portion 276.
  • ink tank 25 comprises a front portion 28 positioned between front outer face 41 and a portion indicated by a alternate long and two short dashes line.
  • Front portion 28 comprises air communication portion 80, detection portion 140, and ink supply portion 90.
  • adapter 27 has a container shape configured to accommodate front portion 28 of ink tank 25. In another embodiment, adapter 27 may accommodate substantially the entirety of ink tank 25.
  • Adapter 27 has a substantially rectangular parallelepiped shape corresponding to the shape of front portion 28 of ink tank 25.
  • Adapter 27 has a width in a width direction as indicated by an arrow 1031, a height in a height direction as indicated by an arrow 1032, and a depth in a depth direction as indicated by an arrow 1033.
  • the height of adapter 27 is greater than each of the width and the depth of adapter 27.
  • Adapter 27 comprises a front wall 162, a top wall 163, a bottom wall 164 opposite top wall 163, a left side wall 165, and a right side wall 166 opposite left side wall 165.
  • Each of top wall 163 and bottom wall 164 is connected to front wall 162, and each of left side wall 165 and right side wall 166 is connected to front wall 162, top wall 163, and bottom wall 164.
  • Adapter 27 has an opening 159 formed opposite front wall 162, and opening 159 is defined by ends of top wall 163, bottom wall 164, left side wall 165, and right side wall 166.
  • Front wall 162, top wall 163, bottom wall 164, left side wall 165, and right side wall 166 defies a space therein, and the space is opened to an exterior of adapter 27 via opening 159.
  • Front portion 28 of ink tank 25 is inserted into the space of adapter 27 via opening 159.
  • front wall 162 faces front outer face 41 and covers at least a portion of front outer face 41
  • top wall 163 faces top outer face 43 and covers at least a portion of top outer face 43
  • bottom wall 164 faces bottom outer face 44 and covers at least a portion of bottom outer face 44
  • left side wall 165 faces left side outer face 45 and covers at least a portion of left side outer face 45
  • right side wall 166 faces right side outer face 46 and covers at least a portion of right side outer face 46.
  • Adapter 27 is inserted into cartridge mounting portion 276 from front wall 162-side in insertion direction 30.
  • width direction 1031, height direction 1032, and depth direction 1033 are parallel to width direction 31, height direction 32, and depth direction 33, respectively.
  • Adapter 27 is formed of an opaque material.
  • Adapter 27 is manufactured by injection-molding a resin, e.g. , nylon, polyethylene, polypropylene, polycarbonate, polyolefin, acrylonitrile butadiene styrene.
  • a coloring agent e.g. , carbon black, may be added in the resin.
  • Adapter 27 has a thickness extending from an outer face of adapter 27 to an inner face of adapter 27 in a direction perpendicular to the outer face and the inner face of adapter 27. In this embodiment, the thickness of adapter 27 is about 0.7 millimeters. Therefore, the thickness of adapter 27 is less than the thickness of frame 50.
  • adapter 27 Because the thickness of adapter 27 is less than the thickness of frame 50, the rigidity of adapter 27 is relatively less than the rigidity of frame 50 against a predetermined force. In particular, the rigidity of each of left side wall 165 and right side wall 166 is relatively low at the end thereof defining opening 159. Because adapter 27 is configured to accommodate front portion 28 of ink tank 25 in the space of adapter 27, adapter 27 does not have walls or ribs to reinforce the rigidity of adapter 27 in the space.
  • Adapter 27 has a cut-out 187 formed though front wall 162, left side wall 165, and right side wall 166.
  • detection portion 140 is exposed to the exterior of adapter 27 via cut-out 187. Therefore, cut-out 187 is formed at a position corresponding to front wall 140A and pair of side walls 140B, and has a shape and a size corresponding to front wall 140A and pair of side walls 140B.
  • a shape of cut-out 187 at front wall 162 seen from a direction perpendicular to front wall 162 is rectangular
  • a shape of cut-out 187 at left side wall 165 seen from a direction perpendicular to left side wall 165 is rectangular
  • a shape of cut-out 187 at right side wall 166 seen from a direction perpendicular to right side wall 166 is also rectangular.
  • Adapter 27 integrally comprises a detection portion 186 positioned at top wall 163.
  • Detection portion 186 extends from top wall 163 in a direction perpendicular to top wall 163.
  • Detection portion 186 has a plate shape having a depth in depth direction 1033, a height in height direction 1032, and a width in width direction 1031, in which the height of protrusion 163 is greater than the width of protrusion 163, and the depth of protrusion 163 is greater than the height of protrusion 163.
  • detection portion 186 is positioned in an optical path 236 of an optical sensor 235 provided in cartridge mounting portion 276.
  • Optical path 236 is formed between a light emitting portion and a light receiving portion of optical sensor 235.
  • the light emitting portion and the light receiving portion of optical sensor 235 faces each other.
  • detection portion 186 blocks light, e.g. , visible or infrared light, from passing therethrough.
  • detection portion 186 prevents the light of optical sensor 235 from passing therethrough.
  • adapter 27 may comprise a reflective member, e.g. , aluminum foil, positioned at detection portion 186, and when detection portion 186 receives light emitted from optical sensor 235, detection portion 186 reflects the light.
  • the rigidity of detection portion 186 in width direction 1031 is less than the rigidity of frame 50 in width direction 31, and detection portion 186 may bend in width direction 1031 when an external force is applied to detection portion 186.
  • Adapter 27 comprises a bridge portion 189 positioned at front wall 162 and spanning cut-out 187 in height direction 1032.
  • Bridge portion 189 has a plate shape having a depth in depth direction 1033, a height in height direction 1032, and a width in width direction 1031, in which the width of bridge portion 189 is greater than the depth of bridge portion 189, and the height of bridge portion 189 is greater than the width of bridge portion 189.
  • Bridge portion 189 divides cut-out 187 into two openings 190.
  • adapter 27 is formed of opaque material, bridge portion 189 blocks light, e.g. , visible or infrared light, emitted from the light emitting portion.
  • bridge portion 189 prevents the light of optical sensor 230 from passing therethrough.
  • adapter 27 may comprise a reflective member, e.g. , aluminum foil, positioned at bridge portion 189, and when bridge portion 189 receives light emitted from optical sensor 230, bridge portion 189 reflects the light.
  • the depth of bridge portion 189 depends on an initial amount of ink stored in ink chamber 100 of ink tank 25 which is used with adapter 27.
  • two types of ink tank 25 are used.
  • One type of ink tank 25 stores a relatively small initial amount of ink in ink chamber 100
  • another type of ink tank 25 stores a relatively large initial amount of ink in ink chamber 100.
  • the depth of bridge portion 189 of adapter 27 used with ink tank 25 storing the relatively large initial amount of ink is greater than the depth of bridge portion 189 of adapter 27 used with ink tank 25 storing the relatively small initial amount of ink.
  • Front wall 162 has a circular opening 177 formed therethrough. Opening 177 is positioned adjacent to top wall 163. The space defined by front wall 162, top wall 163, bottom wall 164, left side wall 165, and right side wall 166 is opened to the exterior of adapter 27 via opening 177. Opening 177 is formed at a position corresponding to air communication portion 80.
  • cartridge mounting portion 276 comprises a pushing portion 216, and the diameter of opening 177 is great enough to allow pushing portion 216 to be inserted through opening 177.
  • pushing portion 216 When adapter 27 is mounted to cartridge mounting portion 276, pushing portion 216 is positioned in opening 177. Then, when ink tank 25 is inserted into cartridge mounting portion 276, pushing portion 216 applies a force to rod 84, e.g. , pushes rod 84 toward ink chamber 100 to cause the valve mechanism of air communication portion 80 is opened.
  • front wall 162 has a circular opening 178 formed through front wall 162. Opening 178 is positioned adjacent to bottom wall 164. The space defined by front wall 162, top wall 163, bottom wall 164, left side wall 165, and right side wall 166 is opened to the exterior of adapter 27 via opening 178. Opening 178 is formed at a position corresponding to ink supply portion 90. The diameter of opening 178 is great enough to allow ink supply portion 90 to be inserted through opening 178.
  • ink supply portion 90 passes through opening 178 such that ink supply portion 90 is positioned in opening 178 adapter 27, and ink pipe 285 is positioned in ink supply portion 90.
  • adapter 27 comprises a support bar 103 extending from the inner surface of front wall 162 into the space of adapter 27 in depth direction 1033, and support bar 103 is positioned between top wall 163 and opening 177.
  • Adapter 27 also comprises a support bar 104 extending from the inner surface of front wall 162 into the space of adapter 27 in depth direction 1033, and support bar 104 is positioned between bottom wall 164 and opening 178.
  • Adapter 27 comprises coil springs 105, 106 positioned in the space of adapter 27, and coil springs 105, 106 are supported by support bars 103, 104 respectively, such that coil springs 105, 106 expand and contract in depth direction 1033.
  • Coil springs 105, 106 may be replaced with leaf springs or rubber springs.
  • front wall 162, top wall 163, bottom wall 164, left side wall 165, and right side wall 166 would bend into the space defined by front wall 162, top wall 163, bottom wall 164, left side wall 165, and right side wall 166 because, referring to Fig. 13 , the atmospheric pressure Pa would act on outer surface of front wall 162, top wall 163, bottom wall 164, left side wall 165, and right side wall 166 via packaging bag 128 while the pressure Pi in the space defined by front wall 162, top wall 163, bottom wall 164, left side wall 165, and right side wall 166 is less than the atmospheric pressure Pa as shown in Fig. 13 .
  • left side wall 165 and right side wall 166 would be more likely to bend. Moreover, because the rigidity of detection portion 186 and the rigidity of bridge portion 189 is less than the rigidity of frame 50 against a predetermined force, detection portion 186 would bend in width direction 1031, and bridge portion 189 would bend into cut-out 187. Moreover, because front wall 162 has openings 177, 178, and 190, the rigidity of front wall 162 is less than the rigidity of frame 50.
  • portions surrounding opening 177, opening 178, and openings 190, respectively, would bend into the space defined by front wall 162, top wall 163, bottom wall 164, left side wall 165, and right side wall 166.
  • front wall 162, top wall 163, bottom wall 164, left side wall 165, and right side wall 166 As such, when the atmospheric pressure acted on one surface of a portion of adapter 27 via packaging bag 128 while the pressure less than the atmospheric acted on the opposite surface of the portion of adapter 27, the portion of adapter 27 would bend, and the portion of adapter 27 might not restore to its original shape. Therefore, adapter 27 is not packed in packaging bag 128.
  • a container arrangement 220 comprises packaging arrangement 130, adapter 27, and a container 222, e.g. , a paper-made, box-shaped container 222 enclosing packaging arrangement 130 and adapter 27.
  • Container 222 comprises a containing portion 223 and a hang portion 224.
  • Hang portion 224 has an opening 225 formed therethrough.
  • Packaging arrangement 130 and adapter 27 are enclosed in container 222, and container arrangement 220 is shipped from a factory.
  • Container arrangement 220 is displayed at a display rack in a store with a bar extending from the display rack being positioned in opening 225 to hang container arrangement 220 from the bar.
  • Containing portion 223 has a substantially rectangular parallelepiped shape, and is configured to enclose packaging arrangement 130 and adapter 27. Because container arrangement 220 is shipped and displayed while ink tank 25 is packed under lower pressure and adapter 27 is under the atmospheric pressure in container 222, leakage of ink from container 222 is prevented, and deformation of adapter 27 is prevented. Moreover, if ink chamber 100 is depressurized, the pressure in ink chamber 100 may be prevented from being restored to the atmospheric pressure. In another embodiment, container 222 may be formed of some material other than paper, and container 222 may be a bag other than a box.
  • Cartridge mounting portion 276 comprises at least one case 280, e.g. , four cases 280 corresponding to four ink tanks 25, respectively.
  • Case 280 comprises a main body 281 and a lock lever 283.
  • Main body 281 has an accommodating chamber 282 formed therein.
  • Accommodating chamber 282 is configured to receive and accommodate ink tank 25 and adapter 27.
  • Case 280 has an opening 284 formed therethrough and a end wall 286 positioned opposite opening 284.
  • Adapter 27 is inserted into accommodating chamber 282 via opening 284 to be positioned to contact end wall 286, and then ink tank 25 is inserted into accommodating chamber 282 via opening 284 such that front portion 28 of ink tank 25 is positioned in adapter 27.
  • Case 280 comprises optical sensor 230 and optical sensor 235, e.g. , photo interrupters.
  • Optical sensor 230 is positioned at end wall 286 of case 280.
  • Case 280 comprises a top wall 287, and optical sensor 235 is positioned at top wall 287 adjacent to end wall 286.
  • Each of optical sensor 230 and optical sensor 235 comprises a light emitting portion and a light receiving portion.
  • Each of optical sensor 230 and optical sensor 235 is connected to a controller (not shown) of recording apparatus 250, and is configured to output an electric signal to the controller when the light receiving portion receives a predetermined amount or more of the light emitted from the light emitting portion, but not to output the electric signal to the controller when the light receiving portion does not receive the predetermined amount or more of the light emitted from the light emitting portion.
  • Optical path 231 is formed between a light emitting portion and a light receiving portion of optical sensor 230. The light emitting portion and the light receiving portion of optical sensor 230 is aligned in a direction perpendicular to the paper plane of Fig. 8 , and the light emitting portion and the light receiving portion of optical sensor 230 face each other.
  • optical path 236 is formed between a light emitting portion and a light receiving portion of optical sensor 235.
  • the light emitting portion and the light receiving portion of optical sensor 235 is aligned in a direction perpendicular to the paper plane of Fig. 8 , and the light emitting portion and the light receiving portion of optical sensor 235 faces each other.
  • the light receiving portion of optical sensor 230 does not receive the predetermined amount or more of the light emitted from the light emitting portion of optical sensor 230.
  • detection portion 186 is positioned in optical path 236, the light receiving portion of optical sensor 235 does not receive the predetermined amount or more of the light emitted from the light emitting portion of optical sensor 235.
  • Case 280 comprises ink pipe 285 extending from end wall 286 toward opening 284 in a direction opposite insertion direction 30.
  • Ink pipe 285 penetrates through end wall 286, and an end of ink pipe 285 is exposed to the exterior of main body 281.
  • Flexible tube 278 is connected to the end of ink pipe 285.
  • ink pipe 285 enters ink supply portion 90, such that the valve mechanism of ink supply portion 90 is opened by ink pipe 285.
  • the valve mechanism of ink supply portion 90 is opened by ink pipe 285, ink chamber 100 is brought into fluid communication with ink pipe 285, and ink is allowed to be supplied from ink chamber 100 to recording head 272 via opening 91, ink pipe 285, and flexible tube 278.
  • Case 280 comprises pushing portion 216 extending from end wall 286 toward opening 284 in a direction opposite insertion direction 30.
  • pushing portion 216 is inserted through opening 177.
  • pushing portion 216 applies a force to rod 84, e.g. , pushes rod 84 toward ink chamber 100 to cause the valve mechanism of air communication portion 80 to be opened.
  • Lock lever 283 is configured to be selectively opened and closed to selectively cover and uncover opening 284.
  • Case 280 comprises a shaft 290 positioned directly above opening 284, and a first end of lock lever 283 is coupled to shaft 290, such that lock lever 283 pivots about shaft 290.
  • Lock lever 290 has an inner surface 296 and an outer surface 297 opposite inner surface 296. When lock lever 290 covers opening 284, inner surface 296 faces accommodating chamber 282.
  • Lock lever 283 comprises an operation portion 293, and a claw 294.
  • Claw 294 is positioned at inner surface 296 and at a second end of lock lever 283 opposite the first end of lock lever 283.
  • Operation portion 293 is positioned at outer surface 297 adjacent to the second end of lock lever 283.
  • Case 280 may have a groove 299 formed therein at a position below opening 284, and groove 299 is configured to engage claw 294.
  • adapter 27 and ink tank 25 are inserted into accommodating chamber 282 and mounted to case 280 in the following manner.
  • Adapter 27 is inserted into accommodating chamber 282 from front wall 162-side via opening 284 toward end wall 286.
  • Bridge portion 189 first enters optical path 231 of optical sensor 230, and then when adapter 27 is further inserted, detection portion 186 enters optical path 236 of optical sensor 235. If adapter 27 is the one used with ink tank 25 storing the relatively large initial amount of ink, the depth of bridge portion 189 is great enough such that bridge portion 189 is still positioned in optical path 231 of optical sensor 230 when detection portion 186 initially enters optical path 236 of optical sensor 235.
  • adapter 27 is the one used with ink tank 25 storing the relatively small initial amount of ink
  • the depth of bridge portion 189 is short such that bridge portion 189 has passed optical path 231 of optical sensor 230 and is not positioned in optical path 231 of optical sensor 230 when detection portion 186 initially enters optical path 236 of optical sensor 235.
  • the controller determines which type of ink tank 25 is to be mounted based on the output of optical sensor 230 when detection portion 186 initially enters optical path 236 of optical sensor 235.
  • adapter 27 contacts end wall 286, which completes the insertion of adapter 27.
  • adapter 27 When adapter 27 contacts end wall 286, detection portion 186 is positioned in optical path 236 of optical sensor 235, and optical path 231 of optical sensor 230 is positioned through openings 190 as shown in Fig. 9 .
  • the controller determines whether adapter 27 is mounted in case 280 based on the output of optical sensor 235.
  • ink tank 25 which has been enclosed in container 222 with adapter 27 mounted in case 280, is inserted into accommodating chamber 282 from front outer face 41-side via opening 284 toward end wall 286, and then front outer face 41 of ink tank 25 contacts ends of coil springs 105, 106, respectively, as shown in Fig. 10 .
  • lock lever 283 pivots toward opening 284, and inner surface 296 of lock lever 283 contacts rear outer face 42 of ink tank 25.
  • a user may push operation portion 293 to cause lock lever 283 to pivot.
  • lock lever 283 pushes ink tank 25 against biasing forces of coil springs 105, 106, respectively, while coil springs 105, 106 contract, respectively, such that front portion 28 of ink tank 25 is inserted into the space of adapter 27 via opening 159 of adapter 27.
  • pushing portion 216 applies a force to rod 84, e.g. , pushes rod 84 toward ink chamber 100 to cause the valve mechanism of air communication portion 80 to be opened.
  • Ink chamber 100 is brought into fluid communication with the atmosphere via opening 81.
  • Ink pipe 285 then enters ink supply portion 90, such that the valve mechanism of ink supply portion 90 is opened by ink pipe 285.
  • Ink chamber 100 is brought into fluid communication with ink pipe 285, and ink is allowed to be supplied from ink chamber 100 to recording head 272 via opening 91, ink pipe 285, and flexible tube 278.
  • detection portion 140 When ink tank 25 is inserted to the end, detection portion 140 is exposed to the exterior of adapter 27 via openings 190, and detection portion 140 is positioned in optical path 231 of optical sensor 230.
  • the controller of recording apparatus 250 determines that ink chamber 100 has a sufficient amount of ink therein, and when indication portion 72 is not positioned in optical path 231, the controller determines that ink chamber 100 does not have a sufficient amount of ink therein, based on the output from optical sensor 230.
  • ink tank 25 receives the biasing forces of coil springs 105, 106 toward opening 284 such that rear outer face 42 contact inner surface 296 of lock lever 283, and therefore ink tank 25 is securely retained in case 280.
  • ink tank 25 When ink tank 25 is removed from case 280, claw 294 disengages from groove 299, and lock lever 283 pivots upward. When this occurs, ink tank 25 is pushed toward opening 284 by the biasing forces of coil springs 105, 106, and ink tank 25 is partially positioned outside case 280. Therefore, a user can readily remove ink tank 25 from case 280 by grasping a rear portion of ink tank 25 with his fingers.
  • container arrangement 220 is shipped and displayed while ink tank 25 is packed under lower pressure and adapter 27 is under the atmospheric pressure in container 222, leakage of ink from container 222 is prevented, and deformation of detection portion 186, bridge portion 189, front wall 162, top wall 163, bottom wall 164, left side wall 165, and right side wall 166 of adapter 27 is prevented. Moreover, if ink chamber 100 is depressurized, the pressure in ink chamber 100 may be prevented from being restored to the atmospheric pressure.
  • adapter 27 may comprise at least one of detection portion 186, bridge portion 189, front wall 162, top wall 163, bottom wall 164, left side wall 165, and right side wall 166.

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EP2845736A1 (fr) * 2013-09-04 2015-03-11 Seiko Epson Corporation Corps contenant un liquide
US10118399B2 (en) 2017-03-27 2018-11-06 Brother Kogyo Kabushiki Kaisha Liquid cartridge provided with snap-fit mechanism capable of suppressing detachment of cap
WO2019026121A1 (fr) * 2017-07-31 2019-02-07 Brother Kogyo Kabushiki Kaisha Cartouche de liquide et système associé
US10343410B2 (en) 2017-03-27 2019-07-09 Brother Kogyo Kabushiki Kaisha Liquid cartridge capable of reducing remaining amount of liquid in liquid storage chamber
US10357976B2 (en) 2017-03-27 2019-07-23 Brother Kogyo Kabushiki Kaisha Liquid cartridge provided with liquid supply portion having guide groove
US10449771B2 (en) 2017-03-27 2019-10-22 Brother Kogyo Kabushiki Kaisha Liquid cartridge capable of improving visibility to liquid stored in liquid storage chamber
US10493765B2 (en) 2017-03-27 2019-12-03 Brother Kogyo Kabushiki Kaisha Liquid cartridge capable of reducing leakage of liquid from liquid storage chamber

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JP2007144811A (ja) 2005-11-28 2007-06-14 Brother Ind Ltd インクカートリッジ

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WO1997045269A1 (fr) 1996-05-29 1997-12-04 Dataproducts Corporation Procede et appareil de remplissage des cartouches pour imprimante a jet d'encre
WO2001019615A1 (fr) 1999-09-13 2001-03-22 Fullmark Private Limited Procede et dispositif permettant de recharger une cartouche d'encre equipee d'une tete d'impression
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Cited By (15)

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Publication number Priority date Publication date Assignee Title
EP2845736A1 (fr) * 2013-09-04 2015-03-11 Seiko Epson Corporation Corps contenant un liquide
US9108420B2 (en) 2013-09-04 2015-08-18 Seiko Epson Corporation Liquid containing body
US11065880B2 (en) 2017-03-27 2021-07-20 Brother Kogyo Kabushiki Kaisha Liquid cartridge provided with liquid supply portion having guide groove
US10343410B2 (en) 2017-03-27 2019-07-09 Brother Kogyo Kabushiki Kaisha Liquid cartridge capable of reducing remaining amount of liquid in liquid storage chamber
US10357976B2 (en) 2017-03-27 2019-07-23 Brother Kogyo Kabushiki Kaisha Liquid cartridge provided with liquid supply portion having guide groove
US10449771B2 (en) 2017-03-27 2019-10-22 Brother Kogyo Kabushiki Kaisha Liquid cartridge capable of improving visibility to liquid stored in liquid storage chamber
US10493765B2 (en) 2017-03-27 2019-12-03 Brother Kogyo Kabushiki Kaisha Liquid cartridge capable of reducing leakage of liquid from liquid storage chamber
US10703107B2 (en) 2017-03-27 2020-07-07 Brother Kogyo Kabushiki Kaisha Liquid cartridge provided with liquid supply portion having guide groove
US10118399B2 (en) 2017-03-27 2018-11-06 Brother Kogyo Kabushiki Kaisha Liquid cartridge provided with snap-fit mechanism capable of suppressing detachment of cap
US11077669B2 (en) 2017-03-27 2021-08-03 Brother Kogyo Kabushiki Kaisha Liquid cartridge capable of reducing leakage of liquid from liquid storage chamber
US20220016897A1 (en) 2017-03-27 2022-01-20 Brother Kogyo Kabushiki Kaisha Liquid cartridge capable of reducing leakage of liquid from liquid storage chamber
US11571907B2 (en) 2017-03-27 2023-02-07 Brother Kogyo Kabushiki Kaisha Liquid cartridge provided with liquid supply portion having guide groove
US11890876B2 (en) 2017-03-27 2024-02-06 Brother Kogyo Kabushiki Kaisha Liquid cartridge provided with liquid supply portion having guide groove
US11897267B2 (en) 2017-03-27 2024-02-13 Brother Kogyo Kabushiki Kaisha Liquid cartridge capable of reducing leakage of liquid from liquid storage chamber
WO2019026121A1 (fr) * 2017-07-31 2019-02-07 Brother Kogyo Kabushiki Kaisha Cartouche de liquide et système associé

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