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1. 发明授权

US09969169B2 Liquid discharger and liquid discharger failure detection method 有权
公开(公告)号：US09969169B2
公开(公告)日：2018-05-15
申请号：US15293451
申请日：2016-10-14
申请人： Yuta Moriwaki , Takahiko Sugiura
发明人： Yuta Moriwaki , Takahiko Sugiura
IPC分类号： B41J2/165 , B41J2/045
CPC分类号： B41J2/16505 , B41J2/0451 , B41J2/04586 , B41J2/16508 , B41J2/16511
摘要： A liquid discharger comprises a head including a nozzle face and a nozzle that discharges liquid droplets, the nozzle formed on the nozzle face, a carriage that mounts the moves the head in a train scanning direction, a driver that moves the carriage in the main scanning direction, a cap that contacts and covers the nozzle face, a cap mover that moves the cap between a capping position, in which the cap contacts the nozzle face, and an evacuation position, in which the cap is separated from the nozzle face, and processing circuitry configured to judge whether a capping failure has occurred based on a driving force that is measured when the carriage starts to move in the main scanning direction after the cap mover moves the cap to the capping position.

2. 发明申请

US20160129693A1 IMAGE FORMING APPARATUS 有权
标题翻译：图像形成装置
公开(公告)号：US20160129693A1
公开(公告)日：2016-05-12
申请号：US14934427
申请日：2015-11-06
申请人： Yuta Moriwaki , Hiroshi Sawase
发明人： Yuta Moriwaki , Hiroshi Sawase
IPC分类号： B41J2/165 , B41J2/045
CPC分类号： B41J2/04586 , B41J2/0454 , B41J2/16508 , B41J2/1652 , B41J2/16523 , B41J2002/16573
摘要： An image forming apparatus includes a liquid discharge head, a temperature detector, a memory, and a controller. The temperature detector detects a temperature of the liquid discharge head. The memory stores the temperature of the liquid discharge head detected with the temperature detector. The controller controls a bubble purge operation to purge bubbles in the liquid discharge head. When a current temperature of the liquid discharge head acquired by the temperature detector is higher than a stored temperature stored in the memory and a deviation of the acquired current temperature and the stored temperature is equal to or more than a predefined threshold value, the controller executes control to execute the bubble purge operation, and when the current temperature acquired by the temperature detector is lower than the stored temperature, the controller executes control to update the stored temperature stored and retained in the memory with the acquired current temperature.
摘要翻译：图像形成装置包括液体排出头，温度检测器，存储器和控制器。温度检测器检测液体排出头的温度。存储器存储用温度检测器检测的液体排出头的温度。控制器控制气泡吹扫操作以清除液体排出头中的气泡。当由温度检测器获取的液体排出头的当前温度高于存储在存储器中的存储温度，并且获取的当前温度和存储的温度的偏差等于或大于预定阈值时，控制器执行控制以执行气泡清除操作，并且当由温度检测器获取的当前温度低于存储温度时，控制器执行控制以用所获取的当前温度更新存储和保存在存储器中的存储温度。

3. 发明授权

US09126795B2 Image forming apparatus 有权
标题翻译：图像形成装置
公开(公告)号：US09126795B2
公开(公告)日：2015-09-08
申请号：US14202391
申请日：2014-03-10
申请人： Naoki Saitoh , Tomomi Katoh , Hiroshi Noda , Yuta Moriwaki
发明人： Naoki Saitoh , Tomomi Katoh , Hiroshi Noda , Yuta Moriwaki
IPC分类号： B65H29/00 , B65H43/00 , B65H29/12 , B65H29/14 , B65H29/66 , B65H85/00 , B65H39/10 , G03G15/00
CPC分类号： B65H43/00 , B65H29/125 , B65H29/14 , B65H29/6609 , B65H39/10 , B65H85/00 , B65H2301/151 , B65H2301/1511 , B65H2301/4493 , B65H2511/51 , B65H2511/514 , B65H2513/512 , B65H2513/514 , B65H2701/186 , B65H2801/06 , G03G15/6576 , B65H2220/01 , B65H2701/1313 , B65H2701/1311 , B65H2220/02 , B65H2220/11
摘要： An image forming apparatus includes an output unit, a pair of output rotary bodies, and a controller. A sheet having an image formed thereon is discharged to the output unit. When plural sheets are sequentially discharged to the output unit, the controller controls overlapping output operation to, with a trailing end portion of a preceding sheet of the plural sheets being held by the pair of output rotary bodies, feed a subsequent sheet of the sheets to between the pair of output rotary bodies to overlap a leading end portion of the subsequent sheet with the trailing end portion of the preceding sheet. With the leading end portion of the subsequent sheet overlapped with the trailing end portion of the preceding sheet, the controller controls the pair of output rotary bodies to rotate to discharge the preceding sheet to the output unit.
摘要翻译：图像形成装置包括输出单元，一对输出旋转体和控制器。其上形成有图像的片材被排出到输出单元。当多个片顺序地排放到输出单元时，控制器控制重叠的输出操作，使得由一对输出旋转体保持的多个片材的前一片的后端部分将后续的片材片材馈送到在一对输出旋转体之间，与随后的片材的前端部与前一片材的后端部分重叠。随着随后的片材的前端与前一片材的后端部分重叠，控制器控制一对输出旋转体旋转以将前一片材排出到输出单元。

4. 发明授权

US09050810B2 Image forming apparatus configured with recording head cap having plural release valves 有权
标题翻译：图像形成装置，配置有具有多个释放阀的记录头盖
公开(公告)号：US09050810B2
公开(公告)日：2015-06-09
申请号：US13923515
申请日：2013-06-21
申请人： Tetsuya Kaneko , Yuta Moriwaki
发明人： Tetsuya Kaneko , Yuta Moriwaki
IPC分类号： B41J2/165 , B41J2/175
CPC分类号： B41J2/16523 , B41J2/16505 , B41J2/16508 , B41J2/16532 , B41J2/17596 , B41J2002/16573
摘要： An image forming apparatus includes an apparatus body, a recording head, a cap member, and release valves. The head has a nozzle face with nozzles to eject liquid droplets. The head is placed in the apparatus body so as to eject the droplets obliquely downward in any of the vertical or horizontal arrangement of the apparatus body. The cap member caps the nozzle face and has openings at opposed ends in a longitudinal direction of the cap member to communicate an inside of the cap member with an outside of the cap member. The valves open and close the openings relative to an atmosphere. One of the valves placed higher than another one of the valves in accordance with the vertical or horizontal arrangement is configured to open the inside of the cap member to the atmosphere through one of the openings placed higher than another one of the openings.
摘要翻译：图像形成装置包括装置主体，记录头，盖构件和释放阀。头部具有带喷嘴的喷嘴面以喷射液滴。头部被放置在装置主体中，以便以装置主体的任何垂直或水平布置方式向下倾斜地喷射墨滴。盖构件盖住喷嘴面，并且在盖构件的纵向方向上的相对端处具有开口，以使帽构件的内部与盖构件的外部连通。阀门相对于大气打开和关闭开口。根据垂直或水平布置高于另一个阀的阀中的一个构造成通过设置在比另一个开口高的开口中的一个开口将盖构件的内部打开到大气。

5. 发明申请

US20140009531A1 IMAGE FORMING APPARATUS 有权
标题翻译：图像形成装置
公开(公告)号：US20140009531A1
公开(公告)日：2014-01-09
申请号：US13923515
申请日：2013-06-21
申请人： Tetsuya Kaneko , Yuta Moriwaki
发明人： Tetsuya Kaneko , Yuta Moriwaki
IPC分类号： B41J2/165
CPC分类号： B41J2/16523 , B41J2/16505 , B41J2/16508 , B41J2/16532 , B41J2/17596 , B41J2002/16573
摘要： An image forming apparatus includes an apparatus body, a recording head, a cap member, and release valves. The head has a nozzle face with nozzles to eject liquid droplets. The head is placed in the apparatus body so as to eject the droplets obliquely downward in any of the vertical or horizontal arrangement of the apparatus body. The cap member caps the nozzle face and has openings at opposed ends in a longitudinal direction of the cap member to communicate an inside of the cap member with an outside of the cap member. The valves open and close the openings relative to an atmosphere. One of the valves placed higher than another one of the valves in accordance with the vertical or horizontal arrangement is configured to open the inside of the cap member to the atmosphere through one of the openings placed higher than another one of the openings.
摘要翻译：图像形成装置包括装置主体，记录头，盖构件和释放阀。头部具有带喷嘴的喷嘴面以喷射液滴。头部被放置在装置主体中，以便以装置主体的任何垂直或水平布置方式向下倾斜地喷射液滴。盖构件盖住喷嘴面，并且在盖构件的纵向方向上的相对端处具有开口，以使帽构件的内部与盖构件的外部连通。阀门相对于大气打开和关闭开口。根据垂直或水平布置高于另一个阀的阀中的一个构造成通过设置在比另一个开口高的开口中的一个开口将盖构件的内部打开到大气。

6. 发明授权

US10173436B2 Liquid circulation device and liquid discharge apparatus 有权
公开(公告)号：US10173436B2
公开(公告)日：2019-01-08
申请号：US15817342
申请日：2017-11-20
申请人： Satoru Yoshida , Yuta Moriwaki , Tomomi Katoh
发明人： Satoru Yoshida , Yuta Moriwaki , Tomomi Katoh
IPC分类号： B41J2/175 , B41J2/18 , B41J2/19 , B41J2/14
摘要： There is provided a liquid circulation apparatus for circulating liquid through a plurality of discharge heads that includes discharge nozzles. The liquid circulation apparatus includes a liquid circulating channel to circulate the liquid via the plurality of discharge heads, a first manifold connected to each supply port of the plurality of discharge heads, a second manifold connected to each discharge port of the plurality of discharge heads, a discharging channel to discharge the liquid in the second manifold, and a bubble-discharging channel separate from the discharging channel, to discharge bubbles in the second manifold.

7. 发明申请

US20180339519A1 LIQUID DISCHARGE APPARATUS 审中-公开
公开(公告)号：US20180339519A1
公开(公告)日：2018-11-29
申请号：US15990273
申请日：2018-05-25
申请人： Tomomi Katoh , Yuta Moriwaki , Satoru Yoshida
发明人： Tomomi Katoh , Yuta Moriwaki , Satoru Yoshida
IPC分类号： B41J2/175 , B41J2/045 , B41J2/055
CPC分类号： B41J2/17556 , B41J2/04508 , B41J2/04583 , B41J2/04588 , B41J2/055 , B41J2/14274 , B41J2/175 , B41J2/17513 , B41J2/18 , B41J29/38 , B41J2002/14483 , B41J2202/02 , B41J2202/12 , B41J2202/20
摘要： A liquid discharge apparatus includes a plurality of liquid discharge heads to discharge liquid, and a plurality of head tanks communicating with the plurality of liquid discharge heads, respectively. Each of the plurality of head tanks includes a liquid chamber to store the liquid and a gas chamber separated from the liquid chamber by a diaphragm, and the gas chamber of one of the plurality of head tanks communicates with the gas chamber of another of the plurality of head tanks.

8. 发明授权

US09486999B2 Image forming apparatus 有权
标题翻译：图像形成装置
公开(公告)号：US09486999B2
公开(公告)日：2016-11-08
申请号：US14934427
申请日：2015-11-06
申请人： Yuta Moriwaki , Hiroshi Sawase
发明人： Yuta Moriwaki , Hiroshi Sawase
IPC分类号： B41J2/045 , B41J2/165
CPC分类号： B41J2/04586 , B41J2/0454 , B41J2/16508 , B41J2/1652 , B41J2/16523 , B41J2002/16573
摘要： An image forming apparatus includes a liquid discharge head, a temperature detector, a memory, and a controller. The temperature detector detects a temperature of the liquid discharge head. The memory stores the temperature of the liquid discharge head detected with the temperature detector. The controller controls a bubble purge operation to purge bubbles in the liquid discharge head. When a current temperature of the liquid discharge head acquired by the temperature detector is higher than a stored temperature stored in the memory and a deviation of the acquired current temperature and the stored temperature is equal to or more than a predefined threshold value, the controller executes control to execute the bubble purge operation, and when the current temperature acquired by the temperature detector is lower than the stored temperature, the controller executes control to update the stored temperature stored and retained in the memory with the acquired current temperature.
摘要翻译：图像形成装置包括液体排出头，温度检测器，存储器和控制器。温度检测器检测液体排出头的温度。存储器存储用温度检测器检测的液体排出头的温度。控制器控制气泡吹扫操作以清除液体排出头中的气泡。当由温度检测器获取的液体排出头的当前温度高于存储在存储器中的存储温度，并且获取的当前温度和存储的温度的偏差等于或大于预定阈值时，控制器执行控制以执行气泡清除操作，并且当由温度检测器获取的当前温度低于存储温度时，控制器执行控制以用所获取的当前温度更新存储和保存在存储器中的存储温度。

9. 发明授权

US09039152B2 Liquid cartridge and image forming apparatus incorporation same 有权
标题翻译：液体盒和图像形成装置相同
公开(公告)号：US09039152B2
公开(公告)日：2015-05-26
申请号：US14471180
申请日：2014-08-28
申请人： Yoichi Kawabata , Masashi Ohnishi , Yuta Moriwaki , Yuta Kashiwagi , Shotaro Takeuchi
发明人： Yoichi Kawabata , Masashi Ohnishi , Yuta Moriwaki , Yuta Kashiwagi , Shotaro Takeuchi
IPC分类号： B41J2/175
CPC分类号： B41J2/17546 , B41J2/17513 , B41J2/1752 , B41J2/1753 , B41J2/17553
摘要： A liquid cartridge is detachably attachable to an apparatus body of an image forming apparatus. The liquid cartridge includes a cartridge case, an information memory element, and a holding unit. The cartridge case includes at least two dividable case parts. The at least two dividable case parts form a front face of the cartridge case to face the apparatus body when the liquid cartridge is attached to the apparatus body. An information memory element is held at the front face of the cartridge case. The holding unit is provided in one of the at least two dividable case parts to hold the information memory element with only the one of the at least two dividable case parts. The holding unit includes a groove to receive the information memory element and a displaceable claw to hold the information memory element between the groove and the claw.
摘要翻译：液体盒可拆卸地附接到图像形成装置的装置主体。液体盒包括盒壳体，信息存储元件和保持单元。盒壳体包括至少两个可分开的壳体部件。当液体盒被附接到装置主体时，所述至少两个可分开的壳体部分形成盒壳体的前表面以面对设备主体。信息存储元件被保持在盒壳体的前表面。保持单元设置在至少两个可分割的壳体部分中的一个中，以仅使信息存储元件保持至少两个可分割的壳体部分中的一个。保持单元包括用于接收信息存储元件的凹槽和用于将信息存储元件保持在凹槽和爪之间的可移位爪。

10. 发明授权

US10549543B2 Liquid discharge apparatus 有权
公开(公告)号：US10549543B2
公开(公告)日：2020-02-04
申请号：US16237769
申请日：2019-01-02
申请人： Takaya Kubodera , Yuta Moriwaki
发明人： Takaya Kubodera , Yuta Moriwaki
IPC分类号： B41J2/175 , B41J2/17 , B41J2/18 , B41J2/185 , B41J2/195 , B41J2/14
摘要： A liquid discharge apparatus includes a liquid discharge head including a supply port, a recovery port, and nozzles to discharge a liquid from the nozzles, a circulation channel connected to the supply port and the recovery port of the liquid discharge head to circulate the liquid through the liquid discharge head, and a cap to cap a nozzle surface of the liquid discharge head in which the nozzles are formed and to suck the liquid from the nozzles in a maintenance operation. The circulation channel includes an individual supply channel communicating with the supply port of the liquid discharge head, an individual recovery channel communicating with the recovery port of the liquid discharge head to circulate the liquid through the liquid discharge head, a supply-side fluid resistance variable section disposed in the individual supply channel to vary fluid a resistance of the individual supply channel.

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