With Integral Ejector Patents (Class 347/87)
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Patent number: 7922273Abstract: A card-type printing device includes a support structure defining an exposed body portion; an electrical connector located at a first end of the support structure, the electrical connector adapted for insertion into a corresponding electrical socket to send and receive data; a printhead assembly located at a second end of the support structure opposite the first end, the printhead assembly electrically coupled to the electrical connector; a printhead and a feed arrangement for feeding print media to the printhead, the printhead and the feed arrangement included in the printhead assembly; a print media cartridge releasably mounted in the exposed body portion of the support structure, between the electrical connector and the printhead assembly; and a cover engaging the support structure in a releasable manner to cover the printhead assembly.Type: GrantFiled: March 31, 2010Date of Patent: April 12, 2011Assignee: Silverbrook Research Pty LtdInventor: Kia Silverbrook
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Patent number: 7918550Abstract: Embodiment of the invention provide an ink jet cartridge for an ink jet printing device. In one embodiment, an ink jet cartridge can include a cartridge body operable to store ink jet printer ink for dispensing from the cartridge. The cartridge can further include at least one dispensing outlet operable to permit ink to be dispensed from the cartridge body. In addition, the cartridge can include a first foam portion positioned adjacent to the at least one dispensing outlet and operable to retain ink within the cartridge body until dispensed from the cartridge body. The cartridge can also include a second foam portion. Furthermore, the cartridge can include at least one membrane disposed between the first foam portion and the second foam portion, wherein the at least one membrane is operable to inhibit ink flow between the first foam portion and the second foam portion.Type: GrantFiled: March 28, 2007Date of Patent: April 5, 2011Assignee: Lexmark International, Inc.Inventors: Robert Jason Bartlett, Renee Noel Lacy, Ryan S Reed, Herbert Gordon Toews, III, Jason David Williams
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Patent number: 7914137Abstract: An ink container for containing ink to be supplied to an ink jet head to which the ink container is detachably mountable, includes an ink supply port for supplying the ink to the ink jet head; a air vent for fluid communication with ambience; a claw-like projection provided on a first side of the ink container; a latching lever provided on a second side opposite from the ink container, the latching lever being resiliently supported on the ink container and having a latching claw.Type: GrantFiled: June 24, 2008Date of Patent: March 29, 2011Assignee: Canon Kabushiki KaishaInventors: Hiroyuki Inoue, Soichi Hiramatsu, Toshihiko Ujita, Keiichiro Tsukuda, Akihiro Yamanaka, Yasuo Kotaki, Sadayuki Sugama
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Publication number: 20110069126Abstract: An ink cartridge for inkjet printers is disclosed. The inkjet cartridge comprises a case, an ink supply chamber, and an ink storage chamber. The ink supply chamber and the ink storage chamber are inside the case. An ink outlet is provided on a sidewall of the case. The ink supply chamber is connected or linked in a low position with the ink outlet and in a high position with an air vent. The ink storage chamber is connected or linked in a low position with the ink supply chamber through a first passageway and a second passageway; the second passageway is below the ink outlet but above the first passageway. The cartridge has a simple structure. It eliminates the need of air pump and provides constant supply of ink to the print head. It avoids ink overflow caused by the temperature change in the environment.Type: ApplicationFiled: November 23, 2004Publication date: March 24, 2011Inventors: Jinming Feng, Qingguo Xiao
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Patent number: 7909441Abstract: An image recording apparatus including a housing; a recording head which ejects droplets of one or more sorts of inks; a carriage which is provided in the housing and which carries the recording head and reciprocates in opposite directions; one or more ink supply tubes which are connected, at respective one ends thereof, to a tube connection portion of the carriage so as to supply the sorts of inks to the recording head, and is fixed, at respective fixed portions thereof, to the housing such that respective intermediate portions thereof located between the respective one ends thereof and the respective fixed portions thereof forms respective curved portions that are each convex in one of the opposite directions, wherein the ink supply tubes have respective flexibilities assuring that when the carriage reciprocates, the ink supply tubes follow reciprocation of the carriage while the respective curved portions thereof change respective shapes thereof; a pivotable support member which is supported by the housingType: GrantFiled: April 25, 2007Date of Patent: March 22, 2011Assignee: Brother Kogyo Kabushiki KaishaInventors: Kenji Samoto, Toshio Sugiura
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Patent number: 7909442Abstract: An image recording apparatus including a housing; a recording head which ejects droplets of ink; a carriage which is provided in the housing and which carries the recording head and reciprocates in opposite directions; an ink supply tube which is connected, at one end thereof, to a tube connection portion of the carriage so as to supply the ink to the recording head, and is fixed, at a fixed portion thereof, to the housing such that an intermediate portion thereof located between the one end thereof and the fixed portion thereof forms a curved portion convex in one of the opposite directions, wherein the ink supply tube has a flexibility assuring that when the carriage reciprocates, the ink supply tube follows reciprocation of the carriage while the curved portion thereof changes a shape thereof; a pivotable support member which is supported by the housing such that the support member is pivotable about a supporting point, wherein the support member includes an arm portion having a support portion that supporType: GrantFiled: June 7, 2007Date of Patent: March 22, 2011Assignee: Brother Kogyo Kabushiki KaishaInventors: Kenji Samoto, Toshio Sugiura
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Patent number: 7909444Abstract: A head cartridge has a print head which discharges ink, and an ink tank which contains ink which is supplied to the print head. A sensor which detects residual ink amount in the ink tank is provided in the ink tank. The print head includes a detection circuit which detects the presence of residual ink amount using the sensor, a judgment circuit which judges the presence of residual ink amount on the basis of an output from the detection circuit and outputs ink zero information when judging that there is no residual ink amount, and nonvolatile memory which stores ink zero information when the ink zero information is outputted from the judgment circuit.Type: GrantFiled: September 19, 2007Date of Patent: March 22, 2011Assignee: Canon Kabushiki KaishaInventor: Masanobu Oomura
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Patent number: 7891790Abstract: The invention provides a disposable ink cartridge to be installed in an existing all-in-one printhead-ink cartridge to form an assembled segregated printhead-ink cartridge for use in a printer. The all-in-one printhead-ink cartridge has a printhead with a printhead chamber from which any cover and ink-absorbent materials have been removed. The disposable ink cartridge includes an ink cartridge body, an assembly-securement member and a cartridge seal holder. The ink cartridge body further includes a cartridge housing, a cartridge cover, at least one air vent cover, at least one ink-storing foam, at least one ink-filtering foam, at least one sealing member, which are integrated into one indivisible entity fitting into the chamber of the printhead. When the disposable cartridge runs out of ink, what is needed is just to replace the ink cartridge body without replacing the printhead and the assembly-securement member, thus making the originally disposable printhead repeatedly usable.Type: GrantFiled: March 15, 2007Date of Patent: February 22, 2011Assignee: Powerful Way LimitedInventor: Shui Kuen Nip
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Patent number: 7891791Abstract: A refillable ink cartridge that has a pagewidth printhead supported on a moulding assembly that defines the ink reservoirs. The printhead has a series of holes etched on a back surface thereof for the supply of ink to a front surface of the printhead for ejection. The moulding assembly has an elongate top moulding piece and an elongate bottom moulding piece that together define a plurality of elongate ink reservoirs. The bottom moulding piece having apertures for supplying ink to the series of holes on the back surface of the pagewidth printhead. Each of the ink reservoirs are in fluid communication with at least one of the apertures but each of the apertures are in fluid communication with only one of the ink reservoirs. Each of the ink reservoirs are in fluid communication with a respective refill port and corresponding air vent.Type: GrantFiled: July 10, 2009Date of Patent: February 22, 2011Assignee: Silverbrook Research Pty LtdInventor: Kia Silverbrook
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Patent number: 7887171Abstract: Provided is a printer cradle for receiving an ink cartridge having a rotor element. The cradle includes a drive roller and an electrical motor having a drive shaft terminating in a worm gear that meshes with a cog affixed to the drive roller for driving said roller. The cradle also includes a flipper gear assembly that is operatively engaged with the drive roller to be driven by the drive roller between an engaged position, in which the flipper gear assembly engages the rotor element and a disengaged position in which the flipper gear assembly is disengaged from the rotor element. Further included is a controller arrangement having a controller board housing a print engine controller configured to control the motor to actuate or disengage the rotor element.Type: GrantFiled: August 28, 2008Date of Patent: February 15, 2011Assignee: Silverbrook Research Pty LtdInventor: Kia Silverbrook
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Patent number: 7883194Abstract: A printer cartridge that has a body configured for user insertion in and removal from an inkjet printer. The cartridge has at least one printing fluid reservoir and a printhead attached to the body. Also attached is a blotter for absorbing the fluid when the cartridge is inserted into the printer. The cartridge allows simultaneous insertion and replacement of the printhead the printing fluid reservoir and the blotter.Type: GrantFiled: September 14, 2007Date of Patent: February 8, 2011Assignee: Silverbrook Research Pty LtdInventor: Kia Silverbrook
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Patent number: 7878632Abstract: The liquid ejection apparatus has: a head which ejects liquid; a carriage which conveys the head; a sub tank which is mounted on the carriage, accommodates the liquid to be supplied to the head, and has an elastic film deforming elastically in accordance with supply of the liquid to the head; a liquid flow channel opening and closing valve which opens and closes a first liquid flow channel between the head and the sub tank; a main tank which stores the liquid to be supplied to the sub tank; a liquid supply coupling section which couples a second liquid flow channel connected to the main tank, to the sub tank, in a state where the carriage is located in a predetermined home position; and an elastic film movement device which moves the elastic film in a direction which causes the elastic film to recover from elastic deformation to assist deformation recovery of the elastic film of the sub tank, in a state where the first liquid flow channel is closed by means of the liquid flow channel opening and closing valveType: GrantFiled: September 28, 2007Date of Patent: February 1, 2011Assignee: Fujifilm CorporationInventor: Yasuhiko Kachi
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Patent number: 7874639Abstract: An ink jet recording head includes at least three nozzle array groups, each including at least two nozzle arrays with an ink supply port interposed therebetween and each ejecting a different ink. Opening areas of the ejection outlets of the nozzle arrays in each array group are of different sizes. Two adjacent nozzle array groups each include three nozzle arrays. The nozzle array group not identified as one of the two adjacent nozzle array groups is supplied with ink having a highest lightness among the three kinds of inks.Type: GrantFiled: November 24, 2006Date of Patent: January 25, 2011Assignee: Canon Kabushiki KaishaInventors: Shingo Nagata, Keiichiro Tsukuda
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Patent number: 7862162Abstract: A fluid coupling for establishing a sealed connection between a first conduit and a second conduit that has a seal seat and a compression member. The compression member is movable relative to the seal seat in which an annular seal is positioned. An engagement mechanism moves the second conduit from a disengaged position where there is no sealed fluid connection between the first and second conduits, to an engaged position where the compression member moves toward the seal seat to compress the annular seal to form a sealed fluid connection.Type: GrantFiled: January 16, 2008Date of Patent: January 4, 2011Assignee: Silverbrook Research Pty LtdInventors: Christopher Hibbard, Geoffrey Philip Dyer, Paul Ian Mackey, Makomo Tsubono, Attila Bertok
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Patent number: 7854492Abstract: A pagewidth printhead assembly comprising an elongate support member, the elongate support member includes a core element defining separate ink reservoirs and a laminate structure at least partially surrounding the core element. A plurality of printhead integrated circuits is mounted to the core element so as to be substantially aligned with one another along the elongate support member. The laminate structure includes at least a first layer of a first material adjacent the core element, a second layer of a second material adjacent the first layer, and a third layer of the first material adjacent the second layer, and the coefficient of thermal expansion of the first material is different to the coefficient of thermal expansion of the second material. The effective coefficient of thermal expansion of the support member is substantially equal to that of the plurality of printhead integrated circuits.Type: GrantFiled: October 9, 2007Date of Patent: December 21, 2010Assignee: Silverbrook Research Pty LtdInventor: Kia Silverbrook
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Patent number: 7854500Abstract: This invention relates to a tamper proof print cartridge for a printing device. The cartridge includes a casing defining a media storage portion, an ink storage portion and a media exit. The cartridge also includes a media transport mechanism arranged in said casing and configured to transport a single sheet of media from the media storage portion through the media exit when activated, as well as an ink supply manifold configured to operatively arrange the ink storage portion in fluid communication with the printer.Type: GrantFiled: February 13, 2008Date of Patent: December 21, 2010Assignee: Silverbrook Research Pty LtdInventors: Tobin Allen King, Kia Silverbrook
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Patent number: 7845776Abstract: The inkjet recording apparatus includes: a casing; an inkjet head which is arranged in the casing and ejects ink from nozzles toward a recording medium; a scanning device which is arranged in the casing and moves the inkjet head to scan the recording medium in a scanning direction parallel with a breadthways direction of the recording medium; a recording medium supply device which accommodates the recording medium and is removably installed into the casing via a front face side of the casing and disposed on a lower side of the inkjet head in a vertical direction of the casing; a conveyance device which conveys the recording medium from the recording medium supply device to a recording region where the recording medium receives deposition of the ink ejected from the inkjet head, and conveys the recording medium within the recording region in a direction substantially perpendicular to the scanning direction; an ink cartridge which accommodates the ink to be supplied to the inkjet head and is removably installedType: GrantFiled: March 30, 2007Date of Patent: December 7, 2010Assignee: Fujifilm CorporationInventor: Yasuhiko Kachi
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Patent number: 7845755Abstract: A laminated film for attachment of printhead integrated circuits to an ink supply manifold. The film has a plurality of ink supply holes defined therein and film comprises: a central polymeric film; a first adhesive layer for bonding a first surface of the film to the ink supply manifold; and a second adhesive layer for bonding a second surface of the film to the printhead integrated circuits. The central polymeric film is sandwiched between the first and second adhesive layers. A first melt temperature of the first adhesive layer is at least 20° C. less than a second melt temperature of the second adhesive layer.Type: GrantFiled: March 17, 2008Date of Patent: December 7, 2010Assignee: Silverbrook Research Pty LtdInventors: Sarkis Minas Keshishian, Susan Williams, Paul Andrew Papworth, Kia Silverbrook
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Patent number: 7845779Abstract: The present invention relates to an ink cartridge with a handle for inkjet printers. The ink cartridge includes a cartridge housing (1) having hook-avoidance grooves (2) with a proper depth and corresponding to the pulling hooks (11) of the locking cover (10) of the printhead, and a handle (3) disposed on an upper surface of the ink cartridge body (1). The structure of the handle (3) is in a form of double-folding type. Alternatively, the handle can also be in a form of single straight flip-down type construction. Because of the handle structure, the present invention is not only able to relieve the installation and removal of the ink cartridge from excessive reliance on the locking cover of the print head, but also to make the ink cartridge installation and removal more natural, positive and user controlled.Type: GrantFiled: July 23, 2007Date of Patent: December 7, 2010Assignee: Powerful Way LimitedInventor: Shui Kuen Nip
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Patent number: 7845778Abstract: An inkjet printer that has a printhead cartridge with a pagewidth printhead defining an array of nozzles for ejecting ink onto a media substrate. The printhead cartridge has a fluid coupling in fluid communication with the array of nozzles. The printer also has a cradle for supporting the printhead cartridge such that the array of nozzles is adjacent a media feed path extending through the printer, the cradle having a latch mechanism for retaining the printhead cartridge, an ink reservoir for containing supply of ink and a complementary coupling for fluid communication with the ink reservoir. The fluid coupling and the complementary coupling are configured to establish a sealed fluid connection using mechanical advantage provided by user actuation of the latch mechanism to retain the printhead cartridge in the cradle.Type: GrantFiled: January 16, 2008Date of Patent: December 7, 2010Assignee: Silverbrook Research Pty LtdInventors: Christopher Hibbard, Paul Ian Mackey, Geoffrey Philip Dyer, Attila Bertok, Kia Silverbrook
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Patent number: 7837312Abstract: A liquid cartridge has a container main body detachably mounted to a cartridge mounting section of a liquid consuming apparatus. The container main body includes a case main body having a liquid reservoir and a cover that covers one side of the case main body; a board mounting section provided on an outer side of the container main body, for mounting a circuit board having an information storage element, the board mounting section having a pair of board fixing bosses to be fitted in the mounting holes of the circuit board to locate the circuit board, and four guide walls provided on the peripheral four sides of the circuit board located by the pair of board fixing bosses. The three guide walls of the four guide walls that constitute the board mounting section form a substantially U-shaped opening that is open to the cover on the outer side of the case main body, and the other guide wall is at a rim of the cover.Type: GrantFiled: April 20, 2007Date of Patent: November 23, 2010Assignee: Seiko Epson CorporationInventor: Akihisa Wanibe
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Patent number: 7824026Abstract: A printer includes a printhead cartridge. The printhead cartridge has a printhead, an ink supply configured to supply ink to the printhead and a capper arranged to cap the printhead when the printhead is inoperative or not in use. A cradle unit engages with the printhead cartridge in a complementary manner and has a media transport mechanism for transporting print media between the printhead and the capper. A media supply cartridge is configured to supply the media to the cradle unit.Type: GrantFiled: October 6, 2008Date of Patent: November 2, 2010Assignee: Silverbrook Research Pty LtdInventors: Christopher Hibbard, Kia Silverbrook, Akira Nakazawa, Garry Raymond Jackson, John Douglas Peter Morgan
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Patent number: 7824020Abstract: A liquid feed tube for feeding a liquid from a liquid tank disposed on a liquid jetting device body side to a jetting head mounted on a reciprocating carriage, including: a long elastic member and a film member connected in an airtight state to the elastic member along a longitudinal direction of the elastic member; and a space part formed by the elastic member and the film member and used as a liquid feed passage, wherein the elastic member is made of a specific resin composition. Thus, the bending rigidity of the liquid feed tube can be lowered, and the resistance to moisture permeability and the gas barrier property thereof can be realized at low cost.Type: GrantFiled: April 13, 2005Date of Patent: November 2, 2010Assignees: Bridgestone Corporation, Seiko Epson CorporationInventors: Youkou Saito, Tadashi Utsunomiya, Toshio Kumagai, Hitoshi Matsumoto, Masanori Takemura, Kazuyuki Saito, Yasushi Soya
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Publication number: 20100271447Abstract: Provided is a liquid injecting apparatus equipped with a liquid injecting head, which is mounted on a carriage and moved reciprocally in a widthwise direction of a target, and a valve unit, which is mounted on the carriage to be supplied with liquid via a supply passage from a liquid retainer and to supply liquid to the liquid injecting head. The valve unit has a pressure chamber connected to the liquid retainer via the supply passage; a valve, which opens or closes the supply passage to supply liquid to the pressure chamber; and a flexible film member, which is displaced based on a negative pressure generated as liquid in the pressure chamber decreases to thereby operate the valve.Type: ApplicationFiled: May 21, 2010Publication date: October 28, 2010Applicant: SEIKO EPSON CORPORATIONInventors: Yoshiharu ARUGA, Toshio KUMAGAI, Hitoshi MATSUMOTO
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Patent number: 7815299Abstract: An ink cartridge includes a frame having an opening formed therethrough, and at least one film connected to the frame. The frame and the at least one film define an ink chamber therein. The film comprises a first portion, a second portion, and a third portion, and the second portion is positioned between the first portion and the third portion, and the first portion and the third portion are raised with respect to the second portion. A line intersecting a peak of a first end of the first portion and a peak of a second end of the first portion is slanted with respect to a center line of the opening, and a line intersecting a peak of a first end of the third portion and a peak of a second end of the third portion is slanted with respect to the center line of the opening.Type: GrantFiled: December 27, 2007Date of Patent: October 19, 2010Assignee: Brother Kogyo Kabushiki KaishaInventor: Tomohiro Kanbe
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Patent number: 7815288Abstract: The present invention provides an ink jet printing apparatus capable of improving reliability of an electrical connecting portion between a carriage side and head cartridge side. When an ink tank is mounted on a head cartridge, a hook of a set lever is obstructed to be operated in a lock releasing direction by a restricting surface of the ink tank. This prevents the head cartridge from being removed from the carriage, and maintains an electrical connecting condition between the carriage and the head cartridge. Therefore, for removing the head cartridge, it is necessary to remove the ink tank.Type: GrantFiled: August 17, 2007Date of Patent: October 19, 2010Assignee: Canon Kabushiki KaishaInventors: Shusuke Inamura, Takashi Horiba
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Patent number: 7806522Abstract: Provided is a printer assembly having a refillable cartridge assembly. The cartridge assembly includes an elongate main body defining a number of rectangular ink reservoirs along a length thereof, with end reservoirs being larger than reservoirs interposed between the end reservoirs, said end reservoirs being configured to store ink more readily consumed during a printing process. The cartridge assembly also includes a lid assembly covering the main body to seal ink inside the ink reservoirs, the lid assembly having an actuator to actuate a cartridge refill unit. Also included is a printhead assembly fast with the main body and operatively fed with ink from the ink reservoirs in the main body, as well as a refill unit engageable with the lid assembly to refill at least one of the reservoirs.Type: GrantFiled: June 13, 2008Date of Patent: October 5, 2010Assignee: Silverbrook Research Pty LtdInventors: Kia Silverbrook, Akira Nakazawa, Christopher Hibbard, Paul Ian Mackey, Norman Micheal Berry, Garry Raymond Jackson
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Publication number: 20100245505Abstract: A print cartridge is disclosed. The print cartridge has at least one ink reservoir, a storage means configured to store information indicative of an amount of printing achievable by the cartridge based on the amount of ink in the at least one ink reservoir, the information being stored in the form of a plurality of bits, the storage means including a plurality of first fusible links, each of the first fusible links storing one of the bits, an information changing mechanism for changing a value of the information by selectively blow one or more of the first fusible links each time a predetermined amount of ink is consumed, and a printhead having a second fusible link which destructs the printhead in response to the value of the information reaching a predetermined threshold.Type: ApplicationFiled: June 10, 2010Publication date: September 30, 2010Inventors: Kia Silverbrook, Richard Thomas Plunkett, Simon Robert Walmsley, Paul Lapstun
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Patent number: 7802879Abstract: Provided is an ink refill unit for a print engine. The unit includes a body assembly defining an ink ejection port at one end thereof, a compressible tank located inside said body assembly, and a compression arrangement for compressing the bellows tank. The compression arrangement includes actuation means selectively operable by a controller of the print engine, a threaded wall and circular plunger assembly, and an elongate drive gear mounted within the body assembly and engaging with the plunger assembly. The drive gear is actuated by the actuation means. The threaded wall and circular plunger assembly includes an internal lead screw provided in a substantially cylindrical internal wall of the body assembly and a helical geared thread provided about the circumference of a substantially circular plunger threaded to the internal lead screw thread and extending along a length thereof.Type: GrantFiled: June 13, 2008Date of Patent: September 28, 2010Assignee: Silverbrook Research Pty LtdInventors: Kia Silverbrook, Akira Nakazawa, Christopher Hibbard, Paul Ian Mackey, Norman Micheal Berry, Garry Raymond Jackson
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Patent number: 7798622Abstract: A printer cartridge for an inkjet printer including an ink storage reservoir; a printhead in communication with said ink storage reservoir; a refill port in communication with the ink storage reservoir and arranged to receive refill ink for replenishing the ink storage reservoir; and an integrated circuit assembly arranged to store information relating to the properties of at least one of the refill ink and the ink stored in the ink storage reservoir.Type: GrantFiled: July 18, 2007Date of Patent: September 21, 2010Assignee: Silverbrook Research Pty LtdInventor: Kia Silverbrook
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Patent number: 7798586Abstract: Provided is a remaining amount detection sensor (4) which is disposed outside a sub-tank (3) to detect a remaining amount of an ink (20), including: a detection electrode (4a) disposed so as to face the sub-tank (3); a guard electrode (4b) disposed in the same plane as the detection electrode (4a) so as to surround an outer periphery of the detection electrode (4a); and a guard electrode (4d) which is disposed so as to face the detection electrode (4a) with a space in at least a range covering the detection electrode (4a), and has the same potential as that of the guard electrode (4b), in which the remaining amount of the content of the sub-tank (3) can be detected based on a capacitance to be measured by the detection electrode (4a) with the potentials of the guard electrodes (4b) (4d) each being set as a reference potential. Accordingly, in the remaining amount detection sensor and the ink-jet printer using the same, the remaining amount of the content of the container can be detected with high accuracy.Type: GrantFiled: February 14, 2008Date of Patent: September 21, 2010Assignee: SII Printek Inc.Inventor: Toshiaki Watanabe
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Patent number: 7794070Abstract: An inkjet printer that has a printhead and a plurality of printing fluid reservoirs, each of the printing fluid reservoirs storing a different type of printing fluid. A refill interface on the printer allows the printing fluid reservoirs to be refilled by docking with a range of refill dispensers. Each of the refill dispensers in the range contains one of the types of printing fluid stored in one of the printing fluid reservoirs. The docking interface has docking formations for engagement with complementary formations on each of the refill dispensers in the range respectively such that the refill interface can dock with only one of the refill dispensers at any one time.Type: GrantFiled: September 14, 2007Date of Patent: September 14, 2010Assignee: Silverbrook Research Pty LtdInventor: Kia Silverbrook
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Patent number: 7789480Abstract: A packaging structure of an inkjet head for transporting thereof with a liquid stored therein, the inkjet head including an ink inlet of ink supplied from an ink source and a nozzle communicated with the ink inlet for discharging the ink to a recording medium, comprises a first packaging member including a cap for covering an opening of said nozzle, the first packaging member being detachably attached to the opening of said nozzle, and a second packaging member including an ink absorbing material for covering said ink inlet, the second packaging member being detachably attached to said ink inlet.Type: GrantFiled: October 13, 2006Date of Patent: September 7, 2010Assignee: Brother Kogyo Kabushiki KaishaInventor: Tatsuya Shindo
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Patent number: 7784903Abstract: The present invention relates to a printhead assembly for a printer system. The printhead assembly includes an elongate substrate defining a channel and spaced apart sets of ink supply holes. Printhead modules are mounted serially along the substrate outside the channel. Each printhead module includes an ink ejection integrated circuit in fluid communication with a respective set of ink supply holes. An ink distribution arrangement is located within the channel and distributes ink to the sets of ink supply holes.Type: GrantFiled: August 22, 2008Date of Patent: August 31, 2010Assignee: Silverbrook Research Pty LtdInventor: Kia Silverbrook
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Publication number: 20100214383Abstract: A cartridge for a printer is provided having a body defining a number of fluid reservoirs, a lid covering the body to seal fluid inside the reservoirs, and a printhead operatively fed with fluid from the reservoirs. A base of each reservoir is provided with a raised portion which surrounds a fluid outlet through which fluid flows for supply to the printhead. Each raised portion being moulded in the body to separate the outlet from the base of each reservoir to ensure a sufficient flow rate of fluid from the reservoir.Type: ApplicationFiled: May 4, 2010Publication date: August 26, 2010Inventors: Kia Silverbrook, Akira Nakazawa, Christopher Hibbard, Paul Ian Mackey, Norman Michael Berry, Garry Raymond Jackson
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Patent number: 7780288Abstract: A mobile telecommunications device comprising: a printhead for printing on a media substrate; a drive shaft for feeding the media substrate past the printhead; a print engine controller for operatively controlling the printhead; and, an ink reservoir for supplying ink to the printhead, the reservoir having: a housing defining an ink storage volume; one or more baffles dividing the ink storage volume into sections, each of the sections having at least one ink outlet for sealed connection to the printhead; and at least one conduit establishing fluid communication between the ink outlets of adjacent sections.Type: GrantFiled: May 9, 2005Date of Patent: August 24, 2010Assignee: Silverbrook Research Pty LtdInventors: Kia Silverbrook, Tobin Allen King
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Patent number: 7766470Abstract: An ink jet printhead cartridge includes a cartridge body including a base and a plurality of side walls extending upwardly from the base. A filter tower having a tower wall has an interior surface that defines a location of a tower passageway. A printhead chip assembly is attached to the base of the cartridge body in fluid communication with the tower passageway. A filter is attached to the filter tower at a distal end thereof. An ink fill access port is formed through a side wall of the plurality of sidewalls, and through the tower wall of the filter tower, to define a fluid path from the atmosphere external to the cartridge body to the tower passageway of the filter tower to facilitate the injection of ink directly into the filter tower during an ink filling operation for the ink jet printhead cartridge.Type: GrantFiled: May 23, 2007Date of Patent: August 3, 2010Assignee: Lexmark International, Inc.Inventors: Marc Frazier Baker, William Bruce Rose
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Patent number: 7766466Abstract: The present invention relates to an ink supply method and a printing apparatus by which, when an ink supply operation is repeated by using a gas-liquid separation member, damage to the gas-liquid separation member can be reduced to improve the reliability. In order to realize this, an ink supply method for aspirating air in a sub tank via the gas-liquid separation member to supply ink from a supply opening into the sub tank sets a plurality of different amounts as an suction amount of air in the sub tank per a unit time.Type: GrantFiled: June 19, 2006Date of Patent: August 3, 2010Assignee: Canon Kabushiki KaishaInventors: Suguru Taniguchi, Michinari Mizutani
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Publication number: 20100171802Abstract: An ink cartridge easily attached to and removed from an inkjet printer and an ink circulation system of the inkjet printer. The ink cartridge includes a plurality of print heads ejecting ink, an ink channel unit supplying ink to the plurality of print heads, at least one filter unit filtering ink supplied to the ink channel unit, and at least one septum unit connecting the ink channel unit, at least one filter unit, and the inkjet printer. The ink circulation system includes the ink cartridge, an ink tank storing ink to be supplied to the ink cartridge, at least one 3-way valve interposed between the ink cartridge and the ink tank to selectively control channel circulation and priming circulation, the channel circulation circulating ink in the ink channel unit and the priming circulation circulating ink in the at least one filter unit, and an ink pump interposed between the at least one 3-way valve and the ink tank for providing driving power for circulating ink.Type: ApplicationFiled: September 9, 2009Publication date: July 8, 2010Applicant: Samsung Electronics Co., LtdInventors: Young-su Lee, Sung-wook Kang, Il-ju Mun, Myung-song Jung
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Patent number: 7748831Abstract: An inkjet recording apparatus including a main tank, a sub tank, a supply device, and a recording head is provided. The main tank stores ink. The sub tank includes a storage chamber that houses an absorber for absorbing the ink and a supply port that communicates with the storage chamber at an upper portion of the sub tank. The supply device supplies the ink from the main tank to the sub tank through the supply port of the sub tank. The recording head discharges the ink supplied from the sub tank and performs recording while reciprocating over a recording medium. The sub tank further includes a gap inside the storage chamber that guides the ink supplied by the supply device toward a lower portion of the absorber.Type: GrantFiled: October 31, 2006Date of Patent: July 6, 2010Assignee: Brother Kogyo Kabushiki KaishaInventor: Takaichiro Umeda
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Patent number: 7748830Abstract: A printhead reservoir has an input ink port and a chamber to receive ink from an ink source through the input ink port. The reservoir also has a filter in a path between the input ink port and the chamber. A printhead includes a reservoir having an input ink port, a chamber to receive ink from an ink source through the input port and a filter in a path between the input port and the storage plate. The printhead also includes an array of jets to draw ink from the chamber and control circuitry to control the jets so as to selectively output ink through the jets onto a substrate. A reservoir has a filter to receive ink, a vented chamber to collect ink received from the filter and at least one jet to receive ink from the vented chamber. The vented chamber is between the ink filter and the fluid path to the jets in order to remove the filter portion of the pressure drop to the jets.Type: GrantFiled: November 27, 2006Date of Patent: July 6, 2010Assignee: Xerox CorporationInventors: David Paul Platt, David Roland Koehler, Terrance L. Stephens, James Dudley Padgett
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Patent number: 7748836Abstract: A printer cradle for receiving an ink cartridge having a rotor element includes a drive roller. An electrical motor drives the drive roller. A flipper gear assembly is operatively engaged with the drive roller to be driven by the drive roller between an engaged position in which it engages the rotor element and a disengaged position in which it is disengaged from the rotor element. A controller arrangement has a controller board housing a print engine controller configured to control the motor to actuate or disengage the rotor element.Type: GrantFiled: December 5, 2007Date of Patent: July 6, 2010Assignee: Silverbrook Research Pty LtdInventor: Kia Silverbrook
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Patent number: 7740579Abstract: An otoscope 800 includes a lens 802 and an eyepiece 801 by which a doctor can examine the external ear cavity of a patient. The otoscope includes a handle 803 within which there is situated a printer to provide an instantaneous permanent record of an image viewed by the doctor. Upon activation of a trigger 817, a permanent graphic image is printed onto a sheet 816 that passes out of the handle 803 via slot 804.Type: GrantFiled: November 22, 2001Date of Patent: June 22, 2010Assignee: Silverbrook Research Pty LtdInventors: Kia Silverbrook, Janette Faye Lee
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Patent number: 7740347Abstract: A replaceable print cartridge for installation in a mobile device, the print cartridge comprising: a printhead; at least one ink reservoir; storage means configured to store information indicative of an amount of printing that can be achieved by the cartridge based on the amount of ink in the at least one ink reservoir; and an information changing mechanism for changing a value of the information.Type: GrantFiled: May 9, 2005Date of Patent: June 22, 2010Assignee: Silverbrook Research Pty LtdInventors: Kia Silverbrook, Richard Thomas Plunkett, Simon Robert Walmsley, Paul Lapstun
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Patent number: 7735984Abstract: An ink tank includes two stirring members having different masses in an ink containing chamber. The two stirring members are moved by an inertial force according to movement of a carriage and stir ink. The two stirring members have different movement start times and movement speeds.Type: GrantFiled: May 10, 2007Date of Patent: June 15, 2010Assignee: Canon Kabushiki KaishaInventors: Yasushi Iijima, Shogo Kawamura, Yasuo Kotaki, Ryoji Inoue, Hideki Ogura, Tetsuya Ohashi
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Patent number: 7726795Abstract: Provided is a printhead cartridge for a pagewidth printer. The cartridge includes a cartridge body having a base and a number of ink supply bags positioned inside the base. A lid encloses the bags in the base. The cartridge also includes a printhead assembly fast with the base and arranged in fluid communication with the ink bags. Each ink supply bag has two profiled panels sealed together to form an ink holding chamber which is collapsible to reduce a volume of ink stored therein. A folded leaf spring biases the chamber into an expanded condition. Each ink bag also includes a connector assembly providing fluid communication between the chamber and ink supply channels of the printhead assembly.Type: GrantFiled: November 18, 2008Date of Patent: June 1, 2010Assignee: Silverbrook Research Pty LtdInventors: Christopher Hibbard, Kia Silverbrook, Akira Nakazawa, Garry Raymond Jackson, John Douglas Peter Morgan
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Patent number: 7726794Abstract: An inkjet printer includes a recording head having nozzles to discharge ink and a storage chamber for storing the ink which is supplied to the nozzles from an ink source. The chamber includes an inlet to which the ink flows from the ink source and an outlet from which the ink flows out to the nozzles, two walls opposite to each other and parallel to a flow direction of the ink flowing to the outlet from the inlet, and an annular rim formed along edges of the two walls. The chamber includes a pair of ribs for adjusting an ink flow, which are provided in one of the walls, protrude from the one towards the other, and extend parallel to the flow direction apart from the other. The other wall has flexibility and the ribs are spaced from the rim inside the rim.Type: GrantFiled: February 27, 2007Date of Patent: June 1, 2010Assignee: Brother Kogyo Kabushiki KaishaInventors: Yoichiro Shimizu, Naoya Okazaki
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Patent number: 7722161Abstract: A method of locating a printhead assembly on a printer, the method comprising the steps of: providing a printhead assembly comprising at least one printhead integrated circuit having a plurality of ink ejection nozzles and an ink distribution support mounting the, or each, printhead integrated circuit, the ink distribution support being arranged, in use, to distribute ink from the ink supply to the nozzles; mounting the printhead assembly to the printer by bringing at least one reference feature provided on the ink distribution support into cooperation with a corresponding complementary feature of the printer; and determining from the cooperation the location of the nozzles.Type: GrantFiled: December 5, 2005Date of Patent: May 25, 2010Assignee: Silverbrook Research Pty LtdInventors: Christopher Hibbard, Kia Silverbrook, Akira Nakazawa, Garry Raymond Jackson, John Douglas Peter Morgan
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Patent number: 7712883Abstract: An embodiment provides a print cartridge body with three or more compartments in series, and a partition formed between each successive pair of compartments. Each partition is substantially parallel to a scanning direction of the cartridge body.Type: GrantFiled: July 26, 2006Date of Patent: May 11, 2010Assignee: Hewlett-Packard Development Company, L.P.Inventor: Anthony D. Studer
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Patent number: RE41601Abstract: An ink cartridge is composed of the body of a container provided with an ink supply port for discharging ink into a print head for housing ink and a lid for sealing the body of the container so that the container can communicate with the air. A semiconductor memory device storing information related to ink is mounted on the surface of the body of the container or the cap and is coated with a removable film.Type: GrantFiled: May 1, 2007Date of Patent: August 31, 2010Assignee: Seiko Epson CorporationInventors: Makoto Matsuzaki, Satoshi Shinada