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公开(公告)号：USRE48390E1
公开(公告)日：2021-01-12
申请号：US16041885
申请日：2018-07-23
发明人： Mikio Ogawa
IPC分类号： B41J2/165
摘要： There is provided a liquid jetting apparatus including: a liquid jetting head which has a liquid jetting surface on which a plurality of nozzles are open to jet the liquid; a wiper which moves, relative to the liquid jetting surface, in a wiping direction along the liquid jetting surface, while being brought in contact with the liquid jetting surface, to wipe the liquid adhered on the liquid jetting surface; a wiper moving mechanism which moves the wiper in a direction orthogonal to the liquid jetting surface to approach to or separate from the ink jetting surface; a stopper which makes contact with the wiper which is separated from the ink jetting surface; and an impact-absorbing member which is formed in the wiper or the stopper and absorbs impact generated in a case that the wiper collides with the stopper.
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公开(公告)号：US10300696B2
公开(公告)日：2019-05-28
申请号：US15938054
申请日：2018-03-28
发明人： Yuki Takagi , Mikio Ogawa , Toshiro Ueda
摘要： A liquid discharge apparatus includes a case receiving a cartridge, a tank, a head, and a controller to: when the cartridge is installed in the case, calculate an outflow amount Qc based on heights Hc, Hs and flow path resistances; read the amounts Vc, Vs from a memory; subtract the outflow amount Qc from the read liquid amount Vc to calculate new liquid amount Vc; add the outflow amount Qc to the read liquid amount Vs to calculate new liquid amount Vs; store the calculated liquid amounts Vc, Vs in the memory; after a time period from at the time the calculated liquid amounts Vc, Vs stored elapses, again calculate the outflow amount Qc and the liquid amounts Vc, Vs and store the calculated liquid amounts Vc, Vs in the memory.
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公开(公告)号：US20190100014A1
公开(公告)日：2019-04-04
申请号：US16044588
申请日：2018-07-25
发明人： Mikio Ogawa , Takahiro Miyao
IPC分类号： B41J2/165
CPC分类号： B41J2/16552 , B41J2/16508 , B41J2/16517 , B41J2/16526 , B41J2002/16573 , B41J2002/16582
摘要： A liquid jetting apparatus includes: a head which jets liquid supplied from a liquid tank; a memory which stores pieces of reference data; and a controller which estimates viscosity of the liquid in the liquid tank every time a predefined time passes. The controller acquires a total supply amount or cumulative supply amount of the liquid supplied from the liquid tank and a supply amount of the liquid per unit time within the predefined time, estimates a viscosity change amount of the liquid in the liquid tank based on the cumulative supply amount acquired, the supply amount per unit time acquired, and the pieces of reference data, and estimates the viscosity of the liquid in the liquid tank based on the viscosity change amount estimated and the viscosity of the liquid in the liquid tank at an initial timing point or a most-recent estimation timing point.
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公开(公告)号：US20180281441A1
公开(公告)日：2018-10-04
申请号：US15939399
申请日：2018-03-29
发明人： Mikio Ogawa
IPC分类号： B41J2/175
CPC分类号： B41J2/17566 , B41J2/17509 , B41J2/17513 , B41J2/1752 , B41J2/17523 , B41J2/17546 , B41J2/17553 , B41J2/195 , B41J29/38 , B41J2002/17573 , B41J2002/17576
摘要： An image recording apparatus, including: a holder on which a cartridge including a liquid chamber storing a liquid is mountable; a liquid-passage defining portion defining a liquid passage including a first end and a second end connected to the head, the first end configured to be connected to the liquid chamber when the cartridge is mounted on the holder; and a controller, wherein the controller is configured to divide a region in the liquid chamber occupied by the liquid into a plurality of regions in an up-down direction and determine a viscosity of the liquid in each region, based on a time elapsed from a timing of connection of the liquid chamber and the first end of the liquid passage, and wherein, when the liquid is discharged from the head, the controller updates the viscosity in each region, based on an amount of the liquid discharged from the head.
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公开(公告)号：US09849680B2
公开(公告)日：2017-12-26
申请号：US15424139
申请日：2017-02-03
发明人： Mikio Ogawa
IPC分类号： B41J2/165
CPC分类号： B41J2/16505 , B41J2/16508 , B41J2/16511 , B41J2/16517 , B41J2/1652 , B41J2002/16594
摘要： There is provided a liquid discharge apparatus including a liquid discharge head, a carriage, a cap, and a cap moving mechanism configured to locate the cap in a capping position and in an uncapping position. The cap moving mechanism has a moving member configured to move integrally with the cap in a first direction, a carriage locker, and a restraint portion configured to restrain the moving member from rotating about an axis orthogonal to the first direction. The restraint portion restrains the moving member from rotating such that when the cap arrives in the uncapping position, the rotating range of the carriage locker does not overlap with the carriage in a scanning direction.
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公开(公告)号：US20170225467A1
公开(公告)日：2017-08-10
申请号：US15424139
申请日：2017-02-03
发明人： Mikio Ogawa
IPC分类号： B41J2/165
CPC分类号： B41J2/16505 , B41J2/16508 , B41J2/16511 , B41J2/16517 , B41J2/1652 , B41J2002/16594
摘要： There is provided a liquid discharge apparatus including a liquid discharge head, a carriage, a cap, and a cap moving mechanism configured to locate the cap in a capping position and in an uncapping position. The cap moving mechanism has a moving member configured to move integrally with the cap in a first direction, a carriage locker, and a restraint portion configured to restrain the moving member from rotating about an axis orthogonal to the first direction. The restraint portion restrains the moving member from rotating such that when the cap arrives in the uncapping position, the rotating range of the carriage locker does not overlap with the carriage in a scanning direction.
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公开(公告)号：US20170144443A1
公开(公告)日：2017-05-25
申请号：US15359708
申请日：2016-11-23
发明人： Mikio Ogawa
IPC分类号： B41J2/165
CPC分类号： B41J2/16505 , B41J2/16508 , B41J2/16511 , B41J2/16523 , B41J23/025
摘要： A liquid jetting apparatus includes: a head unit; a cap; a cap lifter moving the cap between a capping position in which the cap makes contact with the head unit and an uncapping position in which the cap is separated from the head unit; a motor; a driven device; a first transmission gear transmitting power of the motor to the cap movement device; a second transmission gear transmitting the power of the motor to the driven device; and a movement gear moving between a position at which the movement gear engages with the first transmission gear and a position at which the movement gear engages with the second transmission gear depending on a rotation direction of the motor. At least one of the first transmission gear and the movement gear is made of a synthetic resin material containing glass fiber.
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公开(公告)号：US11571906B2
公开(公告)日：2023-02-07
申请号：US17383599
申请日：2021-07-23
发明人： Kenta Horade , Mikio Ogawa , Toshiro Ueda
IPC分类号： B41J2/175
摘要： Aspects of a disclosure relates to a liquid discharge device enables previously disabled liquid discharge through a head after a cartridge including a first liquid chamber is replaced and before the liquid level in a second liquid chamber of a tank reaches a predetermined level or higher. Another aspects of the disclosure relates to a liquid discharge device that deactivates an alarm after a cartridge including a first liquid chamber is replaced and before the liquid level in a second liquid reaches a predetermined level or higher.
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公开(公告)号：US11247458B2
公开(公告)日：2022-02-15
申请号：US16921306
申请日：2020-07-06
发明人： Yuki Takagi , Mikio Ogawa , Toshiro Ueda
摘要： A liquid discharge apparatus includes a case receiving a cartridge, a tank, a head, and a controller to: when the cartridge is installed in the case, calculate an outflow amount Qc based on heights Hc, Hs and flow path resistances; read the amounts Vc, Vs from a memory; subtract the outflow amount Qc from the read liquid amount Vc to calculate new liquid amount Vc; add the outflow amount Qc to the read liquid amount Vs to calculate new liquid amount Vs; store the calculated liquid amounts Vc, Vs in the memory; after a time period from at the time the calculated liquid amounts Vc, Vs stored elapses, again calculate the outflow amount Qc and the liquid amounts Vc, Vs and store the calculated liquid amounts Vc, Vs in the memory.
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公开(公告)号：US11247457B2
公开(公告)日：2022-02-15
申请号：US16775504
申请日：2020-01-29
发明人： Kenta Horade , Mikio Ogawa , Toshiro Ueda
摘要： A liquid discharge apparatus is configured to activate a first notification in a case where a liquid level of a tank is less than a threshold. In a case where a cartridge is installed after activating the first notification, a controller determines outflow amount Vcs of the liquid flowing into the tank based on the liquid amount of the installed cartridge, and controls a notification device based on the determined outflow amount Vcs.
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