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51. 发明专利

JP2013147307A Core pipe retaining device and image recording apparatus 有权
标题翻译：芯管保持装置和图像记录装置
公开(公告)号：JP2013147307A
公开(公告)日：2013-08-01
申请号：JP2012007827
申请日：2012-01-18
申请人： Seiko Epson Corp , セイコーエプソン株式会社
发明人： OKUMURA NAOYUKI , MIYAMOTO SATORU
IPC分类号： B65H16/04 , B65H18/04
摘要： PROBLEM TO BE SOLVED: To improve durability in an extruding member and a retaining member in a core pipe retention device for attachably and detachably retaining a core pipe with the retaining member extruded in an outer radial direction by the extrusion member and an image recording apparatus including the core pipe retaining device.SOLUTION: A core pipe retaining device includes: an extruding member having a pressing part facing in an outer radial direction; and a retaining member having the pressing part and a facing part to be pressed in an axial direction and arranged in an outer radial direction with respect to the extruding member. The pressing part and the part to be pressed has a tapered surface that extends in a radially outerlier direction as the tapered surface goes from the one end side to the other end side in the axial direction and has the same region where the pressing part and the part to be pressed have the same shape in a cross-sectional surface perpendicular to in the axial direction, wherein when the extruding member moves to the one end side, the pressing part of the extruding member extrudes the retaining member in the outer radial direction while being in plane contact with the part to be pressed in the same region.
摘要翻译：要解决的问题：为了提高芯管保持装置中的挤压构件和保持构件的耐久性，其用于通过挤压构件可靠地和可拆卸地保持具有沿外径向挤出的保持构件的芯管，以及图像记录装置，包括芯管保持装置。解决方案：一种芯管保持装置，包括：具有面向外径向的按压部的挤压构件; 以及保持构件，其具有按压部和相对于挤压构件沿径向被挤压的面对部。按压部和被按压部具有锥形表面，该锥形表面随着锥形表面从轴向的一端侧到另一端侧沿径向向外方向延伸，并且具有与按压部和被挤压部分在垂直于轴向方向的横截面中具有相同的形状，其中当挤出构件向一端侧移动时，挤压构件的按压部分沿外径向挤出保持构件，同时与同一区域内要压制的部件平面接触。

52. 发明专利

JP2012208183A Image forming device and image forming method 审中-公开
标题翻译：图像形成装置和图像形成方法
公开(公告)号：JP2012208183A
公开(公告)日：2012-10-25
申请号：JP2011071856
申请日：2011-03-29
申请人： Seiko Epson Corp , セイコーエプソン株式会社
发明人： OKUMURA NAOYUKI , NISHIYAMA KAZUHIRO , SASAKI TSUTOMU , TAKANO HIDEHIRO , IKUMA TAKESHI
IPC分类号： G03G15/16 , G03G21/10
摘要： PROBLEM TO BE SOLVED: To manufacture an image forming device that is small and compact in size with low cost while efficiently suppressing accumulation of liquid developer inside a recessed portion of an image carrying roller.SOLUTION: An image forming device comprises: a photoreceptor 2 on which a latent image is formed while rotating; a developing section 5 for developing the latent image by liquid developer including toner and carrier liquid; an image carrying roller 9 that has a roller base material 9a having a recessed portion 9c and a blanket 9b arranged on an outer peripheral surface of the roller base material 9a excluding the recessed portion 9c; and an image carrying roller cleaning section 15 having an image carrying roller cleaning roller 15b that is brought into contact with the image carrying roller 9 and cleans the image carrying roller 9. A thickness t1 of the blanket 9b in a predetermined region adjacent to the recessed portion 9c at a rotational direction side of the image carrying roller 9 is less than a thickness t2 of the blanket 9b in a region excluding the predetermined region.
摘要翻译：解决的问题：为了有效地抑制图像承载辊的凹部内的液体显影剂的积累，以低成本制造小型，小型化的图像形成装置。解决方案：图像形成装置包括：感光体2，其上形成有潜像，同时旋转; 用于通过包括调色剂和载体液体的液体显影剂显影潜像的显影部分5; 图像承载辊9具有设置在除了凹部9c之外的辊基材9a的外周面上的具有凹部9c的辊基材9a和橡皮布9b; 以及图像承载辊清洁部15，其具有与图像承载辊9接触并清洁图像承载辊9的图像承载辊清洁辊15b。橡皮布9b的厚度t1在与凹进在图像承载辊9的旋转方向侧的部分9c小于除了预定区域之外的区域中的橡皮布9b的厚度t2。版权所有（C）2013，JPO＆INPIT

53. 发明专利

JP2012198283A Image forming device and image forming method 审中-公开
标题翻译：图像形成装置和图像形成方法
公开(公告)号：JP2012198283A
公开(公告)日：2012-10-18
申请号：JP2011060766
申请日：2011-03-18
申请人： Seiko Epson Corp , セイコーエプソン株式会社
发明人： OKUMURA NAOYUKI , NISHIYAMA KAZUHIRO , SASAKI TSUTOMU , TAKANO HIDEHIRO , IKUMA TAKESHI
IPC分类号： G03G15/11 , B41J29/17 , G03G15/16 , G03G21/10
摘要： PROBLEM TO BE SOLVED: To produce an image forming apparatus in a small size and at a low cost while effectively suppressing accumulation of a liquid developer in a concave portion of a transfer roller.SOLUTION: An image forming apparatus comprises: a photoreceptor 2 which rotates and on which a latent image is formed; a developing part 5 for developing the latent image with a liquid developer containing toner and a carrier liquid; a transfer roller 9 which has a concave portion 9c and is abutted on the photoreceptor 2 to rotate and in which the image developed by the developing part 5 is transferred; and a transfer roller cleaning part 15 having a transfer roller cleaning roller 15b which is abutted on a transfer roller 9 and cleans the transfer roller 9. The transfer roller 9 is arranged adjacently on the rotating direction side to the concave portion 9c and has a noncontact part 9d which is a circumferential surface part of a diameter R2 not in contact with the photoreceptor 2.
摘要翻译：要解决的问题：为了有效地抑制液体显影剂在转印辊的凹部中的积累而以小尺寸和低成本制造图像形成装置。解决方案：图像形成装置包括：旋转的感光体2，并且在其上形成潜像; 显影部分5，用于用含有调色剂和载体液体的液体显影剂显影潜像; 具有凹部9c并抵接在感光体2上以旋转的转印辊9，由显影部5显影的图像被转印; 以及转印辊清洁部15，其具有与转印辊9抵接并清洁转印辊9的转印辊清洁辊15b。转印辊9相对于凹部9c的旋转方向侧相邻地设置，并且具有非接触部分9d是不与感光体2接触的直径R2的圆周表面部分。版权所有（C）2013，JPO＆INPIT

54. 发明专利

JP2010204399A Developing device and image forming apparatus 审中-公开
标题翻译：开发设备和图像形成装置
公开(公告)号：JP2010204399A
公开(公告)日：2010-09-16
申请号：JP2009050104
申请日：2009-03-04
申请人： Seiko Epson Corp , セイコーエプソン株式会社
发明人： OKUMURA NAOYUKI
IPC分类号： G03G15/11
摘要： PROBLEM TO BE SOLVED: To provide a developing device capable of preventing the occurrence of reverse flow and overflow of recovered liquid developer, maintaining high reliability of this device, and preventing the inside of this device from being polluted. SOLUTION: This developing device has a developer carrier 36 rotating while carrying the liquid developer, a cleaning part 361 abutted on the developer carrier 36 to recover the liquid developer, a recovered developer storage part 312 for storing the liquid developer recovered in the cleaning part 361, a conveyance flow passage 33 connected with the recovered developer storage part 312, and a conveyance member 32 arranged in the recovered developer storage part 312 and the conveyance flow passage 33 and having conveying parts each having different conveying amount of the liquid developer. COPYRIGHT: (C)2010,JPO&INPIT
摘要翻译：要解决的问题：提供一种能够防止回收液体显影剂的反向流动和溢出的发生的显影装置，保持该装置的高可靠性，并且防止该装置内部被污染。解决方案：该显影装置具有在携带液体显影剂的同时旋转的显影剂载体36，与显影剂载体36邻接的清洁部分361以回收液体显影剂;回收的显影剂储存部分312，用于储存回收液体显影剂的液体显影剂清洁部分361，与回收的显影剂储存部分312连接的输送流动通道33和布置在回收的显影剂储存部分312和输送流动通道33中并具有各自具有不同的液体显影剂输送量的输送部分的输送部件32 。版权所有（C）2010，JPO＆INPIT

55. 发明专利

JP2009186750A Developing device and image forming apparatus using the same 审中-公开
标题翻译：使用它的开发装置和图像形成装置
公开(公告)号：JP2009186750A
公开(公告)日：2009-08-20
申请号：JP2008026461
申请日：2008-02-06
申请人： Seiko Epson Corp , セイコーエプソン株式会社
发明人： OKUMURA NAOYUKI
IPC分类号： G03G15/10
摘要： PROBLEM TO BE SOLVED: To provide a developing device reducing non-uniform contact of a developer carrier, forming a stable nip part between a latent image carrier and the developer carrier, and excellently maintaining an image quality, and also to provide an image forming apparatus using the same.
SOLUTION: The developing device is equipped with: a developing unit 30Y which rocks, centering a rocking fulcrum shaft 30aY; and a supporting means 30bY which holds the self-weight of the developing unit 30Y. The developing unit 30Y includes: the developer carrier 20Y having elasticity and carrying a liquid developer; and a developer container 31Y arranged in a gravity direction of the developer carrier 20Y and configured to reservoir the liquid developer. The developer container includes: a collection part 31bY collecting the liquid developer; and insertion holes 31cY and 31dY through which the rocking fulcrum shaft 30aY is inserted. The collection part 31bY is provided with a conveying member 34Y conveying the liquid developer to one side from the other side in a shaft direction of the developer carrier 20Y, and the insertion hole 31cY on the one side in the shaft direction of the developer carrier 20Y is made a slot on a cross section orthogonal to the shaft.
COPYRIGHT: (C)2009,JPO&INPIT
摘要翻译：解决的问题：为了提供显影剂载体减少不均匀接触的显影装置，在潜像载体和显影剂载体之间形成稳定的夹持部分，并且优良地保持图像质量，并且还提供一种图像形成装置。解决方案：显影装置配备有：摆动摇摆支点轴30aY的显影单元30Y; 以及支撑装置30bY，其保持显影单元30Y的自重。显影单元30Y包括：具有弹性并携带液体显影剂的显影剂载体20Y; 以及沿显影剂载体20Y的重力方向布置并构造成储存液体显影剂的显影剂容器31Y。显影剂容器包括：收集液体显影剂的收集部分31bY; 以及插入有摆动支点轴30aY的插入孔31cY，31dY。收集部31bY设置有输送构件34Y，其将液体显影剂从显影剂载体20Y的轴方向上的另一侧输送到一侧，并且在显影剂载体20Y的轴向方向上的一侧的插入孔31cY 在垂直于轴的横截面上形成槽。版权所有（C）2009，JPO＆INPIT

56. 发明专利

JP2004219680A Image forming apparatus and jamming detection method 审中-公开
标题翻译：图像形成装置和成像检测方法
公开(公告)号：JP2004219680A
公开(公告)日：2004-08-05
申请号：JP2003006584
申请日：2003-01-15
申请人： Seiko Epson Corp , セイコーエプソン株式会社
发明人： TAGUCHI KEIICHI , OKUMURA NAOYUKI
IPC分类号： G03G21/00 , G03G15/00
摘要： PROBLEM TO BE SOLVED: To provide an image forming apparatus in which jamming of a recording medium can be surely detected and a jamming detection method. SOLUTION: Two sensors 84 and 85 detecting the presence of sheet S are provided at the rear part of a fixing unit 9 on a sheet carrying path F and the presence of jamming is decided on the basis of their output signals. For example, when the output of the post fixing sensor 84 is varied to a level L indicating the presence of the sheet after the lapse of a fixed time t1 from the start of the driving of a gate roll and when the output of the post fixing sensor 84 is varied to a level H indicating no presence of the sheet while the output of the pre-ejection sensor 85 provided at the rear part of the sensor 84 is not varied to the L level, jamming is decided. COPYRIGHT: (C)2004,JPO&NCIPI
摘要翻译：要解决的问题：提供可以可靠地检测记录介质的卡纸和卡纸检测方法的图像形成装置。解决方案：检测纸张S的存在的两个传感器84和85设置在片材承载路径F上的定影单元9的后部，并且基于它们的输出信号来确定干扰的存在。例如，当固定传感器84的输出变化到指示在从闸门辊的开始开始经过固定时间t1之后纸张的存在的水平L时，以及当后固定当设置在传感器84的后部的预喷射传感器85的输出不变为L电平时，传感器84变化到表示不存在纸张的水平H，确定干扰。版权所有（C）2004，JPO＆NCIPI

57. 发明专利

JP2004157362A Fixing device 审中-公开
公开(公告)号：JP2004157362A
公开(公告)日：2004-06-03
申请号：JP2002323498
申请日：2002-11-07
申请人： Seiko Epson Corp , セイコーエプソン株式会社
发明人： FUJISAWA KAZUTOSHI , OKUMURA NAOYUKI
IPC分类号： G03G15/20
摘要： PROBLEM TO BE SOLVED: To provide a fixing device that hardly causes jamming of paper.
SOLUTION: The fixing device comprises: a fixing member 61 which is rotated; a pressure member 62 which is rotated in pressure contact with the fixing member 61; and a peeling member 70 which is disposed on at least the fixing member or the pressure member, peels a sheetlike recording medium P passed through the pressure contact part N of the fixing member and pressure member from a surface 61a and guides the recording medium P. The guide face of the peeling member is provided with a rib 74 extending in the direction of the movement of the recording medium. The rib 74 is located on the side of one of the members with respect to a line connecting the exit of the pressure contact part N and the entrance of the nip N of a paper ejection roller pair 14 situated behind it, and on the side of one of the members with respect to a line connecting the leading end of the peeling member 70 and the entrance of the nip of the roller pair 14.
COPYRIGHT: (C)2004,JPO

58. 发明专利

JPH1152642A IMAGE FORMING DEVICE 失效
公开(公告)号：JPH1152642A
公开(公告)日：1999-02-26
申请号：JP22112997
申请日：1997-08-01
申请人： SEIKO EPSON CORP
发明人： YODA KANEO , OKUMURA NAOYUKI
IPC分类号： G03G15/20 , B65H5/36 , G03G15/00
摘要： PROBLEM TO BE SOLVED: To enable to feed a paper sheet of which length in a carrying direction is shorter than an interval between a transfer part and a fixing part, and form a carrying passage of a recessed form as necessary. SOLUTION: A carrying means 30 to carry a paper sheet, and a guide 40 to guide the sheet are provided between a transfer part 10 and a fixing part 20, the carring means 30 is capable of taking a first position for carrying the sheet in a recessed form from the transfer part 10 to the fixing part 20 in cooperation with the guide 40, and a second position to carry the sheet straight, and it takes the first position in the case where length of the sheet in a carrying direction is longer than a recessed carrying passage S1, and the second position in the case where the length of the sheet in the carrying direction is shorter than an interval between the transfer part 10 and the fixing part 20. The carrying means 30 is composed of a carrying belt having irregularities in the surface.

59. 发明专利

JPH06349175A INFORMATION RECORDING AND REPRODUCING DEVICE 失效
公开(公告)号：JPH06349175A
公开(公告)日：1994-12-22
申请号：JP3243394
申请日：1994-03-02
申请人： SEIKO EPSON CORP
发明人： OKUMURA NAOYUKI , NAKADA TOSHIO
IPC分类号： G11B17/028
摘要： PURPOSE:To realize an information recording/reproducing device capable of attaining any of miniaturization, thinning and simplifying of the assembly process. CONSTITUTION:In a clamp mechanism of the recorder, the upper and lower parts of a collar part 132 of a collet 13 are clamped with the tip part 12a of a collect collet 12 and a collet pressing spring 122 at the time of standby. When the collet bar 12 is lowered from this state, the collect 13 clamps a magnetic recording disk FD by having a shaft part 131 formed integrally therewith pushed by the collet pressing spring 122, and rotates by making the lower surface of the collet pressing spring 122 as the sliding surface.

60. 发明专利

JP2013223943A Drawing device 审中-公开
标题翻译：绘图设备
公开(公告)号：JP2013223943A
公开(公告)日：2013-10-31
申请号：JP2012096328
申请日：2012-04-20
申请人： Seiko Epson Corp , セイコーエプソン株式会社
发明人： OKUMURA NAOYUKI
IPC分类号： B41J2/01 , B41J25/308
摘要： PROBLEM TO BE SOLVED: To provide a drawing device capable of preventing such problems that relative positional accuracy between ejection heads is damaged or the drawing device is enlarged due to a slide mechanism installed in the ejection head.SOLUTION: A drawing device includes: a transfer drum for sending a drawing medium closely contacted on an outer peripheral surface; and an ejection nozzle to eject liquid. The ejection nozzle includes: an ejection head arranged at the position to open in an outer peripheral surface; a first head holder for holding two or more types of ejection heads with mutually different types of liquid ejected; a second head holder for holding at least one type of ejection head; a first holder moving device for movably supporting the first head holder in the normal direction of the outer peripheral surface; and a second holder moving device for movably supporting the second head holder in the normal direction of the outer peripheral surface.
摘要翻译：要解决的问题：提供一种能够防止由于安装在喷射头中的滑动机构而导致喷射头之间的相对位置精度被损坏或拉伸装置扩大的问题的绘图装置。解决方案：一种绘图装置，包括：转印用于发送在外周表面上紧密接触的拉伸介质的滚筒; 和喷射喷嘴以喷射液体。喷嘴包括：排出头，其设置在外周面的开口位置; 用于保持具有相互不同类型的液体喷射的两种或更多种类型的喷射头的第一头架; 用于保持至少一种类型的喷射头的第二头架; 第一保持器移动装置，用于沿着外周表面的法线方向可移动地支撑第一头保持器; 以及第二保持器移动装置，用于沿着外周面的法线方向可移动地支撑第二头保持器。

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