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公开(公告)号：US11945230B2
公开(公告)日：2024-04-02
申请号：US18326056
申请日：2023-05-31
Applicant: BROTHER KOGYO KABUSHIKI KAISHA
Inventor： Masahiro Hayashi , Akinari Ishibe , Yuma Tanabe , Masatake Sato , Akihito Kobayashi , Hiroaki Takahashi
CPC classification number: B41J2/17523 , B41J2/14274 , B41J2/17509 , B41J2/17513 , B41J2/1752 , B41J2/17533 , B41J2/17553 , B41J2/19 , B41J29/02 , C09D11/40 , B41J29/13 , C09D11/30
Abstract: An image-recording apparatus includes: a first tank defining a first storage chamber; a second tank defining a second storage chamber; a conveying mechanism for conveying sheets along a conveying path extending in a depthwise direction and a widthwise direction perpendicular to a vertical direction and the depthwise direction; and a recording head including a nozzle. Liquid in the first storage chamber is supplied through a communication port to the second storage chamber and then to the recording head through a liquid outlet port. The second storage chamber is positioned further in a first depthwise direction relative to the nozzle and further in a first widthwise direction relative to the conveying path. A volume of a prescribed space above a liquid level equal to a height of the communication port in the second storage chamber is greater than that of a liquid channel between the liquid outlet port and the nozzle.
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公开(公告)号：US11655115B2
公开(公告)日：2023-05-23
申请号：US17206990
申请日：2021-03-19
Applicant: BROTHER KOGYO KABUSHIKI KAISHA
Inventor： Shohei Ichikawa , Tsuyoshi Ito , Masatake Sato , Keisuke Wakakusa , Yoshimitsu Taniguchi
CPC classification number: B65H7/08 , B65H5/068 , B41J11/0095 , B41J11/04
Abstract: An image recording apparatus including: a recording unit; an accommodation part configured to accommodate therein a plurality of recording media including first and second recording medium and having a support surface on which the plurality of the recording media is supported; a conveying path; a feeder roller contacting the recording medium in the accommodation part from above; a reversing path; a recording medium detection unit located above the support surface and between the feeder roller and a downstream end of the support surface in the conveying direction; and a controller configured to control the feeder roller so as to feed the second recording medium in a manner that a front end portion of the second recording medium overlaps a rear end portion of the first recording medium, when the recording medium detection unit detects the rear end portion of the first recording medium fed by the feeder roller.
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公开(公告)号：US20200277154A1
公开(公告)日：2020-09-03
申请号：US16793533
申请日：2020-02-18
Applicant: BROTHER KOGYO KABUSHIKI KAISHA
Inventor： Keisuke Wakakusa , Shohei Ichikawa , Masatake Sato , Yoshimitsu Taniguchi , Tsuyoshi Ito , Hiroaki Takahashi
Abstract: An image recording apparatus includes a roller pair for transporting a sheet, a recording head, and a controller. The controller determines a linefeed amount by which the sheet is transported by the roller pair between corresponding two adjacent passes of the recording head. The controller executes image recording on the sheet by alternately repeating a linefeed operation for rotating the roller pair by the determined linefeed amount to transport the sheet in a transport direction, and a pass recording operation in which the controller causes the roller pair to stop and the recording head to perform a pass and to record part of an image on the sheet. Upon determining that a linefeed operation would cause the sheet to travel past the roller pair while the roller pair is decelerating, replace for the linefeed operation a determined linefeed amount by an adjusted linefeed amount.
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公开(公告)号：US10457064B2
公开(公告)日：2019-10-29
申请号：US16390882
申请日：2019-04-22
Applicant: BROTHER KOGYO KABUSHIKI KAISHA
Inventor： Akinari Ishibe , Yuma Tanabe , Masahiro Hayashi , Masatake Sato , Akihito Kobayashi
Abstract: In a state where a supply portion of a cartridge is connected to a connecting portion of a cartridge attachment section, a first base part and a first protruding part of the cartridge and a second base part and a second protruding part of the cartridge attachment section have the following positional relationship: as viewed in the horizontal direction, the first base part is overlapped with both of the second base part and second protruding part, the first protruding part is overlapped with the second base part, but is not overlapped with the second protruding part; and as viewed in the vertical direction, the first base part is not overlapped with the second base part, and is not overlapped with the second protruding part, and the first protruding part is overlapped with the second protruding part, but is not overlapped with the second base part.
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公开(公告)号：US10569564B2
公开(公告)日：2020-02-25
申请号：US15664033
申请日：2017-07-31
Applicant: BROTHER KOGYO KABUSHIKI KAISHA
Inventor： Akihito Kobayashi , Akinari Ishibe , Yuma Tanabe , Masahiro Hayashi , Masatake Sato
Abstract: In an image forming apparatus, a cartridge includes: a first storage chamber; and a supply portion. A cartridge attachment portion includes: a connecting portion; and a second storage chamber. The connecting portion is disposed at a first height and connectable to the supply portion. A detecting portion is configured to detect one of a level of a liquid stored in the first storage chamber and at a position adjacent to the supply portion and a level of the liquid stored in the second storage chamber and at a position adjacent to the connecting portion. The first storage chamber has a first cross-sectional area taken along a horizontal plane at a predetermined height between the first height and a second height above the first height. The second storage chamber has a second cross-sectional area taken along the horizontal plane. The second cross-sectional area is greater than the first cross-sectional area.
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Patent Agency Ranking
公开(公告)号：US10549531B2
公开(公告)日：2020-02-04
申请号：US15881871
申请日：2018-01-29
Applicant: BROTHER KOGYO KABUSHIKI KAISHA
Inventor： Akinari Ishibe , Yuma Tanabe , Masahiro Hayashi , Masatake Sato , Yoshinori Osakabe , Hiroaki Takahashi , Akihito Kobayashi
Abstract: An image-recording apparatus includes a cartridge including a first storage chamber, a tank including a second storage chamber, a recording portion for ejecting liquid stored in the second storage chamber, a detected portion, and a detector. The first and second storage chambers can communicate with an atmosphere. The tank includes a liquid inlet port and a liquid outlet port positioned lower than the liquid inlet port. Liquid in the first storage chamber is supplied to the second storage chamber through the liquid inlet port, and from the second storage chamber to the recording portion through the liquid outlet port. The detected portion can change in state when a level of the liquid stored in the second storage chamber becomes equal to a vertical position of the liquid inlet port. The detector is configured to detect the change in state of the detected portion.
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公开(公告)号：US10442206B2
公开(公告)日：2019-10-15
申请号：US15904675
申请日：2018-02-26
Applicant: BROTHER KOGYO KABUSHIKI KAISHA
Inventor： Masahiro Hayashi , Akinari Ishibe , Yuma Tanabe , Masatake Sato , Akihito Kobayashi
Abstract: An image-recording apparatus includes: a first tank defining a first storage chamber; a second tank defining a second storage chamber; a conveying mechanism for conveying sheets along a conveying path extending in a depthwise direction and a widthwise direction perpendicular to a vertical direction and the depthwise direction; and a recording head including a nozzle. Liquid in the first storage chamber is supplied through a communication port to the second storage chamber and then to the recording head through a liquid outlet port. The second storage chamber is positioned further in a first depthwise direction relative to the nozzle and further in a first widthwise direction relative to the conveying path. A volume of a prescribed space above a liquid level equal to a height of the communication port in the second storage chamber is greater than that of a liquid channel between the liquid outlet port and the nozzle.
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公开(公告)号：US10308033B2
公开(公告)日：2019-06-04
申请号：US15717118
申请日：2017-09-27
Applicant: BROTHER KOGYO KABUSHIKI KAISHA
Inventor： Masatake Sato , Akinari Ishibe , Yuma Tanabe , Masahiro Hayashi , Akihito Kobayashi
Abstract: An image recording apparatus includes: a cartridge; a cartridge attachment portion; and a switching portion. The cartridge includes: a first storage chamber; a first air communication portion; and a first supply portion. The cartridge attachment portion includes: a second storage chamber; and a second air communication portion. The switching portion changes a passage resistance value of air flowing through one of the first and second air communication portions. An inequality of R2>A×R1 is met, in which R1: a passage resistance value obtained by air flowing through the first air communication portion and a passage resistance value of the liquid flowing through the first supply portion; R2: a passage resistance value of air flowing through the second air communication portion; A: a cross-sectional area ratio obtained by dividing an average cross-sectional area of the first storage chamber by an average cross-sectional area of the second storage chamber.
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公开(公告)号：US10207512B2
公开(公告)日：2019-02-19
申请号：US15881880
申请日：2018-01-29
Applicant: BROTHER KOGYO KABUSHIKI KAISHA
Inventor： Masahiro Hayashi , Yuma Tanabe , Akinari Ishibe , Masatake Sato , Akihito Kobayashi
Abstract: An image-recording apparatus includes a cartridge including a first storage chamber, a tank including a second storage chamber, a recording portion, a detected portion, a detector, and a wall portion. Liquid supplied from the first storage chamber to the second storage chamber through an inlet port is supplied from the second storage chamber to the recording portion through an outlet port. The wall portion partitions an internal space of the second storage chamber into a first region including the liquid inlet port and a second region including the detected portion. The wall portion extends upward than the liquid inlet port and the detected portion and downward than the liquid inlet port and the detected portion. Communication between the first region and the second region is allowed through upper and lower communication portions. The upper communication portion is positioned upward than the liquid inlet port and the detected portion.
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公开(公告)号：US11701892B2
公开(公告)日：2023-07-18
申请号：US17371199
申请日：2021-07-09
Applicant: BROTHER KOGYO KABUSHIKI KAISHA
Inventor： Masahiro Hayashi , Akinari Ishibe , Yuma Tanabe , Masatake Sato , Akihito Kobayashi
CPC classification number: B41J2/17523 , B41J2/14274 , B41J2/1752 , B41J2/17509 , B41J2/17513 , B41J2/17533 , B41J2/17553 , B41J2/19 , B41J29/02 , C09D11/40 , B41J29/13 , C09D11/30
Abstract: An image-recording apparatus includes: a first tank defining a first storage chamber; a second tank defining a second storage chamber; a conveying mechanism for conveying sheets along a conveying path extending in a depthwise direction and a widthwise direction perpendicular to a vertical direction and the depthwise direction; and a recording head including a nozzle. Liquid in the first storage chamber is supplied through a communication port to the second storage chamber and then to the recording head through a liquid outlet port. The second storage chamber is positioned further in a first depthwise direction relative to the nozzle and further in a first widthwise direction relative to the conveying path. A volume of a prescribed space above a liquid level equal to a height of the communication port in the second storage chamber is greater than that of a liquid channel between the liquid outlet port and the nozzle.
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