公开(公告)号：US09902163B2

公开(公告)日：2018-02-27

申请号：US15154222

申请日：2016-05-13

Applicant: CANON KABUSHIKI KAISHA

Inventor： Shimpei Yoshikawa ,  Chiaki Muraoka ,  Tokuji Kudo ,  Hiromasa Amma ,  Takuya Iwano ,  Kimiyuki Hayasaki

IPC: B41J2/175

CPC classification number: B41J2/1753 ,  B41J2/1752 ,  B41J2/17526

Abstract: A liquid ejecting head and a liquid ejecting apparatus that can suppress the influence of noise on a control signal includes a plurality of terminals for being electrically connected with a contact point provided in a liquid ejecting apparatus, and a liquid ejecting element substrate having a liquid ejecting element formed for ejecting liquid in response to a control signal transmitted from the liquid ejecting apparatus. The plurality of terminals includes signal terminals and ground terminals for control, for controlling the liquid ejecting element, and the signal terminals and the ground terminals for control are arranged at positions closer to the liquid ejecting element substrate than other terminals.

公开(公告)号：US09884485B2

公开(公告)日：2018-02-06

申请号：US15154326

申请日：2016-05-13

Applicant: CANON KABUSHIKI KAISHA

Inventor： Shimpei Yoshikawa ,  Chiaki Muraoka ,  Tokuji Kudo ,  Hiromasa Amma ,  Takuya Iwano ,  Kimiyuki Hayasaki

IPC: B41J2/14 ,  B41J2/05 ,  B41J2/175

CPC classification number: B41J2/1752 ,  B41J2/1753 ,  B41J2/17546 ,  B41J2002/14491

Abstract: A liquid ejecting head and a liquid ejecting apparatus are designed so as to suppress the influence of noise on control signals. The liquid ejecting head has a plurality of terminals electrically connected with a contact point provided in the liquid ejecting apparatus, and a liquid ejecting element substrate having a liquid ejecting element formed for ejecting liquid in response to the control signals transmitted from the liquid ejecting apparatus. A power source terminal for drive and a ground terminal for drive, which are provided for driving the liquid ejecting element, are arranged adjacent to each other, and a power source wiring that connects the power source terminal for drive with the liquid ejecting element substrate and a ground wiring that connects the ground terminal for drive with the liquid ejecting element substrate are at least partially arranged in parallel.

公开(公告)号：US20180029267A1

公开(公告)日：2018-02-01

申请号：US15649482

申请日：2017-07-13

Applicant: CANON KABUSHIKI KAISHA

Inventor： Naoko Tsujiuchi ,  Yukuo Yamaguchi ,  Mikiya Umeyama ,  Satoshi Oikawa ,  Hiromasa Amma ,  Takuya Iwano ,  Satoshi Kimura ,  Yasushi Iijima ,  Kyosuke Toda

IPC: B29C45/16 ,  B41J2/175 ,  B29C45/34

CPC classification number: B29C45/1635 ,  B29C45/0062 ,  B29C45/34 ,  B29C2045/0063 ,  B29L2031/7678 ,  B41J2/175 ,  B41J2/1752 ,  B41J2/17523 ,  B41J2/1753

Abstract: There is provided a manufacturing method of a liquid supply member capable of suppressing decrease in sealing property of a liquid supply path and deformation of the liquid supply path or the external shape. For that purpose, a manufacturing process of a liquid supply member prevents inflow of a molten resin into a concave portion of a portion other than a liquid supply flow path in a liquid supply member.

公开(公告)号：US20170326875A1

公开(公告)日：2017-11-16

申请号：US15584503

申请日：2017-05-02

Applicant: CANON KABUSHIKI KAISHA

Inventor： Toru Nakakubo ,  Shingo Okushima ,  Satoshi Kimura ,  Takuya Iwano ,  Akira Yamamoto

IPC: B41J2/14 ,  B41J2/165 ,  B41J2/16 ,  B41J2/045

CPC classification number: B41J2/14 ,  B41J2/04535 ,  B41J2/14024 ,  B41J2/14072 ,  B41J2/155 ,  B41J2/16 ,  B41J2/1637 ,  B41J2/16505 ,  B41J2/16508 ,  B41J2/16585 ,  B41J2002/14467 ,  B41J2202/12 ,  B41J2202/19

Abstract: A cover member includes two end regions located at two ends in a first direction, and two beam portions which extend in the first direction and connect the two end regions together and which, together with the two end regions, form a single opening that exposes a plurality of discharge ports. When a width of the opening is denoted as a [mm], a minimum length in the first direction of the end regions is denoted as c [mm], a modulus of longitudinal elasticity of the cover member is denoted as E [GPa], and a thickness of the cover member is denoted as t [mm], the following expression is established. c ≥ 10  ( a 25 ) 4 ( t 0.3 ) 3  ( E 200 )

公开(公告)号：US20160347076A1

公开(公告)日：2016-12-01

申请号：US15156808

申请日：2016-05-17

Applicant: CANON KABUSHIKI KAISHA

Inventor： Takuya Iwano ,  Hiromasa Amma ,  Takeshi Sekino ,  Noboru Shimoyama ,  Shuichi Hasegawa

IPC: B41J2/175

CPC classification number: B41J2/17523 ,  B41J2/175 ,  B41J2/1752

Abstract: A holding member provided in a liquid ejection apparatus is attached to a receiving member and includes a capturing portion capturing a supply member so as to hold the supply member. The capturing portion is displaceable while the holding member is attached to the receiving member.

Abstract translation: 设置在液体喷射装置中的保持构件附接到容纳构件，并且包括捕获供给构件以捕获供给构件的捕获部。 当保持构件附接到接收构件时，捕获部分可移动。

公开(公告)号：US20160346971A1

公开(公告)日：2016-12-01

申请号：US15156578

申请日：2016-05-17

Applicant: CANON KABUSHIKI KAISHA

Inventor： Takuya Iwano ,  Yukuo Yamaguchi ,  Mikiya Umeyama ,  Satoshi Oikawa ,  Hiromasa Amma ,  Satoshi Kimura ,  Naoko Tsujiuchi ,  Yasushi Iijima ,  Kyosuke Toda

IPC: B29C45/00 ,  B29C45/26 ,  B29C45/72

Abstract: A molded part including a first member having a plurality of openings and a second member contacting with a peripheral edge of each of the plurality of openings so as to cover the openings, and having a hollow portion formed by sealing the contact portion with a sealing material, wherein: the second member defines a flow channel for filling the sealing material between the first member and the second member; the second member has a branched shape in which sections corresponding to positions covering the plurality of openings are branched from each other, and portions near a gate of the flow channel are connected as a common section; and the branched shape has a bridge structure for connecting the respective branched sections.

Abstract translation: 一种模制部件，包括具有多个开口的第一部件和与所述多个开口中的每一个的周边边缘接触以覆盖所述开口的第二部件，并且具有通过用所述密封材料密封所述接触部分而形成的中空部分 ，其中：所述第二构件限定用于在所述第一构件和所述第二构件之间填充所述密封材料的流动通道; 所述第二构件具有分支形状，其中对应于覆盖所述多个开口的位置的部分彼此分支，并且所述流动通道的门附近的部分作为公共部分连接; 并且分支形状具有用于连接各个分支部分的桥接结构。

公开(公告)号：US20160339697A1

公开(公告)日：2016-11-24

申请号：US15151964

申请日：2016-05-11

Applicant: CANON KABUSHIKI KAISHA

Inventor： Genji Inada ,  Hiromasa Amma ,  Takuya Iwano ,  Chiaki Muraoka ,  Tokuji Kudo ,  Shimpei Yoshikawa

IPC: B41J2/14

CPC classification number: B41J2/175 ,  B41J2/14145 ,  B41J2/17509 ,  B41J2/17513 ,  B41J2/17523 ,  B41J2/17553 ,  B41J2/17563 ,  B41J29/02 ,  B41J2202/07

Abstract: Provided is a liquid ejection head and a liquid ejection apparatus capable of reducing the occurrence of ejection malfunction. In a connecting section where a first flow channel and a second flow channel connect, a projecting member is provided on the flow channel wall forming the second flow channel.

Abstract translation: 提供了能够减少喷射故障的发生的液体喷射头和液体喷射装置。 在第一流动通道和第二流动通道连接的连接部分中，在形成第二流动通道的流动通道壁上设置有突出部件。

公开(公告)号：US09248650B2

公开(公告)日：2016-02-02

申请号：US14619351

申请日：2015-02-11

Applicant: CANON KABUSHIKI KAISHA

Inventor： Chiaki Muraoka ,  Mikiya Umeyama ,  Satoshi Oikawa ,  Takuya Iwano

IPC: B41J2/05 ,  B41J2/175 ,  B41J2/14 ,  B41J2/19

CPC classification number: B41J2/1433 ,  B41J2/1404 ,  B41J2/14145 ,  B41J2/175 ,  B41J2/1752 ,  B41J2/19 ,  B41J2202/07

Abstract: A liquid ejection head includes an element substrate and a support member. The element substrate includes an ejection orifice row, and a supply port. The support member includes a first flow path for supplying a liquid from a liquid supply source to the supply port. The first flow path includes a plurality of channels for supplying liquid to the supply port. At least one of the plurality of channels has a shape in which a cross section that intersects with a flow direction Y of the liquid increases from an upstream side to a downstream side with respect to the direction in which the liquid is supplied.

Abstract translation: 液体喷射头包括元件基板和支撑部件。 元件基板包括喷射口排和供给口。 支撑构件包括用于将液体从液体供应源供应到供应口的第一流动路径。 第一流路包括用于向供给口供给液体的多个通道。 多个通道中的至少一个具有与液体的流动方向Y相交的横截面相对于供给液体的方向从上游侧向下游侧增加的形状。

公开(公告)号：US20150210077A1

公开(公告)日：2015-07-30

申请号：US14606895

申请日：2015-01-27

Applicant: CANON KABUSHIKI KAISHA

Inventor： Keiji Tomizawa ,  Takuma Kodoi ,  Takuya Iwano

IPC: B41J2/14 ,  B41J2/16

CPC classification number: B41J2/14201 ,  B41J2/14024 ,  B41J2/14072 ,  B41J2/1603 ,  B41J2/1607 ,  B41J2/1623 ,  Y10T29/49117

Abstract: A liquid ejection head including: a recording element substrate provided with an element;an electric wiring substrate having a bent portion, a connecting portion provided on one side of the bent portion and connected with the recording element substrate, and an input portion provided on the other side of the bent portion; anda housing having a first surface, a second surface, a depression provided on the second surface, and a member separated from a bottom surface of the depression and extending into an opening of the depression, whereinpart of the other side of the electric wiring substrate is disposed between the bottom surface of the depression and the member.

Abstract translation: 一种液体喷射头，包括：设置有元件的记录元件基板; 具有弯曲部的电布线基板，设置在所述弯曲部的一侧并与所述记录元件基板连接的连接部以及设置在所述弯曲部的另一侧的输入部; 以及具有第一表面，第二表面，设置在第二表面上的凹陷的壳体，以及与凹陷的底面分离并延伸到凹陷的开口中的构件，其中电线的另一侧的一部分 衬底设置在凹陷的底表面和构件之间。

公开(公告)号：US20150130873A1

公开(公告)日：2015-05-14

申请号：US14519297

申请日：2014-10-21

Applicant: CANON KABUSHIKI KAISHA

Inventor： Takuma KODOI ,  Takuya Iwano ,  Keiji Tomizawa

IPC: B41J2/14 ,  B41J2/16

CPC classification number: B41J2/1433 ,  B41J2/14024 ,  B41J2/14072 ,  B41J2/16 ,  B41J2/1603 ,  B41J2/1607 ,  B41J2/1623 ,  B41J2/1648 ,  B41J29/02 ,  B41J29/13 ,  B41J2002/14491 ,  Y10T29/4913

Abstract: A liquid ejection head, including a recording element substrate for ejecting liquid in response to an externally supplied electrical signal; an electrical wiring board having a first and second part mutually joined via a bent portion, the first part having an electrical joint portion for supplying the signal to the substrate, the second part having an electrical signal input portion into which the signal is input and to which the joint portion is connected; and a housing having a first and second surface mutually adjoining, the first and second surfaces respectively supporting the first and second parts. The second part is fixed to the second surface at plural first fixing positions around the input portion. The second surface has a depressed portion formed closer to the bent portion than the first fixing positions. The second part is fixed to the housing at a second fixing position inside the depressed portion.

Abstract translation: 一种液体喷射头，包括用于响应于外部供应的电信号喷射液体的记录元件基板; 电连接板，具有通过弯曲部相互连接的第一和第二部分，第一部分具有用于将信号提供给基板的电接头部分，第二部分具有输入信号的电信号输入部分， 连接部分连接的; 以及具有相互邻接的第一和第二表面的壳体，所述第一表面和所述第二表面分别支撑所述第一和第二部分。 第二部分在输入部分周围的多个第一固定位置固定到第二表面。 第二表面具有比第一固定位置更靠近弯曲部分形成的凹陷部分。 第二部分在凹陷部分内部的第二固定位置处固定到壳体。