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1. 发明专利

JP2012185305A Image forming apparatus 审中-公开
标题翻译：图像形成装置
公开(公告)号：JP2012185305A
公开(公告)日：2012-09-27
申请号：JP2011048115
申请日：2011-03-04
申请人： Fuji Xerox Co Ltd , 富士ゼロックス株式会社
发明人： MURAKAMI JUNICHI , KITAMURA ATSUYUKI , SATO MASAHIRO , OGIWARA ATSUSHI , OKAMOTO TETSUJI , WATANABE KOICHI , NISHIDE SHUICHI
IPC分类号： G03G21/00 , G03G15/00 , G03G15/01 , G03G15/16
摘要： PROBLEM TO BE SOLVED: To simplify the configuration for conveying a recording material as a transfer object of an image and to stabilize the posture of a recording material to be conveyed.SOLUTION: An image forming apparatus 1 comprises: an image forming unit 10 forming a toner image; a first transfer unit 20 transferring the toner image formed in the image forming unit 10 onto a sheet S; a fixing unit 40 fixing the toner image transferred onto the sheet S by the first transfer unit 20 to the sheet S; and a sheet supplying unit 50 supplying the sheet S for transferring the toner image to the first transfer unit 20. The sheet supplying unit 50 includes a supply adjusting unit 53 with a variable mounting position. The supply adjusting unit 53 is positioned by a protruding portion 26a of a transfer drum frame 26 constituting the first transfer unit 20, the protruding portion butting against the supply adjusting unit 53 when the first transfer unit 20 is mounted on the image forming apparatus 1.
摘要翻译：要解决的问题：为了简化用于输送作为图像的转印体的记录材料的结构，并且稳定要输送的记录材料的姿势。图像形成装置1包括：形成调色剂图像的图像形成单元10; 将形成在图像形成单元10中的调色剂图像转印到片材S上的第一转印单元20; 定影单元40，其将通过第一转印单元20转印到纸张S上的调色剂图像固定到纸张S; 供纸单元50供应用于将调色剂图像转印到第一转印单元20的纸张S.纸张供给单元50包括具有可变安装位置的供给调节单元53。供给调节单元53由构成第一转印单元20的转印鼓框架26的突出部分26a定位，当第一转印单元20安装在图像形成装置1上时，突出部分抵靠供给调节单元53。版权所有（C）2012，JPO＆INPIT

2. 发明专利

JP2012008499A Image forming apparatus 有权
标题翻译：图像形成装置
公开(公告)号：JP2012008499A
公开(公告)日：2012-01-12
申请号：JP2010146785
申请日：2010-06-28
申请人： Fuji Xerox Co Ltd , 富士ゼロックス株式会社
发明人： WATANABE KOICHI , OKAMOTO TETSUJI , OGIWARA ATSUSHI , NISHIDE SHUICHI , MURAKAMI JUNICHI , SATO MASAHIRO , KITAMURA ATSUYUKI
IPC分类号： G03G15/16
摘要： PROBLEM TO BE SOLVED: To easily exfoliate a sheet wound around a transfer member, from the transfer member.SOLUTION: An image forming apparatus 1 of the present invention includes: a photosensitive drum 11 which is rotatably disposed and retains an image on the outer peripheral surface; a transfer drum 21 which is rotatably disposed facing the photosensitive drum 11, has an exposed section 21C formed by notching a part of the outer peripheral surface, and transfers the image retained by the photosensitive drum 11 onto a sheet S clamped between itself and the photosensitive drum 11; a tip end gripper 23 which is provided at the exposed section 21C of the transfer drum 21 and clampingly grips the conveying-directional tip end side of the sheet S to be fed towards the transfer drum 21; and a control section 100 which is adapted to release the sheet S gripped by the tip end gripper 23 when the exposed section 21C of the transfer drum 21 passes through a region facing the photosensitive drum 11.
摘要翻译：要解决的问题：从转印部件容易地剥离卷绕在转印部件上的纸张。解决方案：本发明的图像形成装置1包括：感光鼓11，其被可旋转地设置并保持在外周面上的图像; 面向感光鼓11可旋转地设置的转印鼓21具有通过切割外周表面的一部分而形成的暴露部分21C，并将由感光鼓11保持的图像转印到夹在其本身和感光体之间的片材S上鼓11; 设置在转印鼓21的露出部分21C处并夹紧待送进转印鼓21的纸张S的传送方向前端侧的末端夹具23; 以及控制部100，其适于在转印鼓21的露出部21C通过面对感光鼓11的区域时，释放由前端夹持器23夹持的纸张S.（C）2012年， JPO＆INPIT

3. 发明专利

JP2011059601A Image forming apparatus 审中-公开
标题翻译：图像形成装置
公开(公告)号：JP2011059601A
公开(公告)日：2011-03-24
申请号：JP2009212147
申请日：2009-09-14
申请人： Fuji Xerox Co Ltd , 富士ゼロックス株式会社
发明人： NISHIDE SHUICHI , KITAMURA ATSUYUKI , SATO MASAHIRO , MURAKAMI JUNICHI , OGIWARA ATSUSHI , OKAMOTO TETSUJI
IPC分类号： G03G21/14 , B65H7/02 , G03G15/00
摘要： PROBLEM TO BE SOLVED: To provide an image forming apparatus configured to perform print processing to one sheet material twice or more capable of reducing an error between a detected sheet length which is detected before the print processing and an actual sheet length in the starting of the print processing. SOLUTION: The image forming apparatus 10 includes a print unit 12 which performs print processing to a sheet material twice or more while carrying the sheet material; a sheet length detection mechanism 16 which detects a sheet length of the sheet material by detecting arrival at a reference position of the front end and rear end of the sheet material; and a control unit 14 which performs processing needed for the next print processing such as the correction of image data according to the detected sheet length after the completion of the sheet length detection. A rear end sensor 62 for detecting the arrival of the rear end of the sheet material for the sheet length detection is set at a position where a distance L1 to a reference position Sc at the start of printing is a "reference sheet length M" or longer and a "reference sheet length M+carrying distance D of a sheet material within an execution time of preprocessing" or shorter. COPYRIGHT: (C)2011,JPO&INPIT
摘要翻译：要解决的问题：提供一种图像形成装置，被配置为对一张纸材进行两次或更多次的打印处理，能够减少在打印处理之前检测到的检测到的纸张长度与在打印处理之间的实际纸张长度之间的误差开始打印处理。解决方案：图像形成装置10包括打印单元12，其在携带片材的同时对片材进行两次或更多次的打印处理; 片材长度检测机构16，通过检测到片材的前端和后端的基准位置的到达来检测片材的片材长度; 以及控制单元14，其执行下一个打印处理所需的处理，例如在纸张长度检测完成之后根据检测到的纸张长度校正图像数据。用于检测用于片材长度检测的片材的后端到达的后端传感器62被设定在与开始印刷时的基准位置Sc的距离L1为“基准片材长度M”的位置，或或更短的“预处理执行时间内的”材料的片材长度M +承载距离D“。版权所有（C）2011，JPO＆INPIT

4. 发明专利

JP2010250255A Image forming apparatus 有权
标题翻译：图像形成装置
公开(公告)号：JP2010250255A
公开(公告)日：2010-11-04
申请号：JP2009165428
申请日：2009-07-14
申请人： Fuji Xerox Co Ltd , 富士ゼロックス株式会社
发明人： OKAMOTO TETSUJI , KITAMURA ATSUYUKI , SATO MASAHIRO , OGIWARA ATSUSHI , TORIMARU SATORU , MURAKAMI JUNICHI , NISHIDE SHUICHI
IPC分类号： G03G15/01 , G03G15/00
CPC分类号： G03G15/0131 , G03G15/0121 , G03G15/0163 , G03G15/0173 , G03G2215/0116
摘要： PROBLEM TO BE SOLVED: To compatibly achieve image re-formation on a recording medium having an image formed thereon and miniaturization of an image forming apparatus body. SOLUTION: The image forming apparatus 10 includes: the image forming apparatus body 12; an image forming unit 13 that forms the image on the recording medium; and a transport device 17 that transports the recording medium toward the image forming unit 13, wherein the image forming apparatus body 12 has a forward port 48 used to forward the recording medium having the image formed thereon to the outside of the image forming apparatus body 12, and further has a guide member 54 by which the recording medium forwarded from the forward port 48 is guided to be retrieved into the image forming apparatus body 12, and to be led to the transport device 17. COPYRIGHT: (C)2011,JPO&INPIT
摘要翻译：要解决的问题：为了兼容地在其上形成有图像的记录介质上实现图像重新形成，并且图像形成装置主体的小型化。图像形成装置10包括：图像形成装置主体12; 图像形成单元13，其在记录介质上形成图像; 以及将记录介质传送到图像形成单元13的传送装置17，其中，图像形成装置主体12具有用于将其上形成有图像的记录介质向前传送到图像形成装置主体12的外部的前端口48 并且还具有引导构件54，通过该引导构件54将从前端口48转发的记录介质引导到图像形成装置主体12中并被引导到传送装置17.版权所有（C） 2011年，JPO＆INPIT

5. 发明专利

JP2010189120A Recording medium carrying device and image forming device 审中-公开
标题翻译：记录中继装置和图像形成装置
公开(公告)号：JP2010189120A
公开(公告)日：2010-09-02
申请号：JP2009034346
申请日：2009-02-17
申请人： Fuji Xerox Co Ltd , 富士ゼロックス株式会社
发明人： NISHIDE SHUICHI , KITAMURA ATSUYUKI , SATO MASAHIRO , MURAKAMI JUNICHI , OKAMOTO TETSUJI , OGIWARA ATSUSHI , TORIMARU SATORU
IPC分类号： B65H9/16 , B65H5/06
摘要： PROBLEM TO BE SOLVED: To carry a recording medium, while reducing the occurrence of deflection or wrinkles in the recording medium.
SOLUTION: A driven roll 34a applies carrying force F1 to the recording medium by inclining a rotary shaft 72a toward the side reference correcting part 74 side in the recording medium carrying direction. A driven roll 34b applies carrying force F2 to the recording medium by inclining a rotary shaft 72b in the inverse direction of the driven roll 34a in the recording medium carrying direction. The carrying force F1 is broken down into component force A1 in the recording medium carrying direction and component force B1 in the orthogonal direction to the recording medium carrying direction. The carrying force F2 is also broken down into component force A2 in the recording medium carrying direction and component force B2 in the orthogonal direction to the recording medium carrying direction. The component force B1 of the carrying force F1 is set larger than the component force B2 of the carrying force F2, and the direction of the force becomes the inverse direction of the component force B2.
COPYRIGHT: (C)2010,JPO&INPIT
摘要翻译：要解决的问题：携带记录介质，同时减少记录介质中的偏转或皱纹的发生。解决方案：从动辊34a通过使旋转轴72a朝向记录介质传送方向上的侧基准校正部74侧倾斜而向记录介质施加承载力F1。从动辊34b通过沿着记录介质传送方向沿着从动辊34a的相反方向倾斜旋转轴72b而将承载力F2施加到记录介质。携带力F1在记录介质传送方向和分力B1沿与记录介质传送方向正交的方向分解成分力A1。携带力F2也在记录介质传送方向和与记录介质传送方向正交的方向上的分力B2分解成分力A2。承载力F1的分力B1设定为大于承载力F2的分力B2，力的方向成为分力B2的反方向。版权所有（C）2010，JPO＆INPIT

6. 发明专利

JP2010122362A Image forming apparatus 有权
标题翻译：图像形成装置
公开(公告)号：JP2010122362A
公开(公告)日：2010-06-03
申请号：JP2008294446
申请日：2008-11-18
申请人： Fuji Xerox Co Ltd , 富士ゼロックス株式会社
发明人： NISHIDE SHUICHI , MURAKAMI JUNICHI , OKAMOTO TETSUJI , OGIWARA ATSUSHI , KITAMURA ATSUYUKI , SATO MASAHIRO
IPC分类号： G03G15/01 , G03G21/14
CPC分类号： G03G15/6579 , G03G15/0121 , G03G15/0163 , G03G15/0173 , G03G2215/0177
摘要： PROBLEM TO BE SOLVED: To reduce color shifts of respective color developer images overlay-transferred onto a sheet. SOLUTION: An adjustment amount setting part 82 performs setting for an image carrier driver 88 to rotate an image carrier 26 in a constant period, and performs setting for a transport roll driver 86 and a registration roll driver 90 to adjust the rotational speeds of transport rolls 34a and 34b and the rotation start timing of a registration roll 22 such that the time for sheet circulation in a second transport path 32 and the time for the integer number of rotations of the image carrier 26 are the same. COPYRIGHT: (C)2010,JPO&INPIT
摘要翻译：要解决的问题：减少覆盖转印到片材上的各个彩色显影剂图像的颜色偏移。
解决方案：调节量设定部分82执行图像载体驱动器88的设置以使图像载体26在恒定时间段内旋转，并且对传送辊驱动器86和定位辊驱动器90进行设置以调节转速的输送辊34a和34b以及记录辊22的旋转开始定时，使得第二输送路径32中的纸张循环时间和图像载体26的整数转数的时间相同。版权所有（C）2010，JPO＆INPIT

7. 发明专利

JP2009229847A Image forming apparatus 有权
标题翻译：图像形成装置
公开(公告)号：JP2009229847A
公开(公告)日：2009-10-08
申请号：JP2008075591
申请日：2008-03-24
申请人： Fuji Xerox Co Ltd , 富士ゼロックス株式会社
发明人： MURAKAMI JUNICHI , SATO MASAHIRO , NISHIDE SHUICHI
IPC分类号： G03G15/01 , G03G15/20
摘要： PROBLEM TO BE SOLVED: To easily prevent image displacement caused by shrinkage of a recording medium and to prevent a productivity in image formation from being degraded. SOLUTION: After a developer image in yellow (Y) currently formed is fixed, a recording medium to which a color image to be formed subsequently is preliminarily heated. After a developer image in magenta (M) currently formed is fixed, the recording medium to which a color image to be formed subsequently is preliminarily heated. After a developer image in cyan (C) currently formed is fixed, the recording medium to which a color image to be formed subsequently is preliminarily heated. That is, when the fixing of the color image currently formed finishes, the recording medium to which the color image to be formed subsequently has been preliminary heated three times. COPYRIGHT: (C)2010,JPO&INPIT
摘要翻译：要解决的问题：为了容易地防止由记录介质的收缩引起的图像位移并且防止图像形成的生产率降低。解决方案：在当前形成的黄色（Y）的显影剂图像是固定的之后，预先加热将要形成彩色图像的记录介质。在当前形成的品红色（M）中的显影剂图像被固定之后，预先加热要形成彩色图像的记录介质。在当前形成的青色（C）的显影剂图像被固定之后，预先加热将要形成彩色图像的记录介质。也就是说，当当前形成的彩色图像的定影完成时，随后将要形成的彩色图像的记录介质已被预热三次。版权所有（C）2010，JPO＆INPIT

8. 发明专利

JP2009048088A Image forming apparatus 审中-公开
标题翻译：图像形成装置
公开(公告)号：JP2009048088A
公开(公告)日：2009-03-05
申请号：JP2007216129
申请日：2007-08-22
申请人： Fuji Xerox Co Ltd , 富士ゼロックス株式会社
发明人： MURAKAMI JUNICHI , SATO MASAHIRO
IPC分类号： G03G21/00
摘要： PROBLEM TO BE SOLVED: To suppress vibration caused in a carrying member in addition to deposition of contamination on an image carrier.
SOLUTION: The image forming apparatus includes four photoreceptor drums 52 and an intermediate transfer belt 15 disposed in contact with each photoreceptor drum 52. Each photoreceptor drum 52 and the intermediate transfer belt 14 are rotated at a drum circumferential velocity VD and at a belt circumferential velocity VB slightly higher than the drum circumferential velocity VD, respectively. The belt load torque required for driving of the intermediate transfer belt 14 is measured while changing the circumferential velocity difference between the drum circumferential velocity VD and the belt circumferential velocity VB at a time when no image forming operation is performed, and a predetermined circumferential velocity difference to be actually used in image forming operation is determined from a range in which the belt load torque is increased in response to an increase in circumferential velocity difference.
COPYRIGHT: (C)2009,JPO&INPIT
摘要翻译：要解决的问题：除了在图像载体上沉积污染之外，还抑制承载构件中产生的振动。解决方案：图像形成装置包括四个感光鼓52和与每个感光体鼓52接触设置的中间转印带15.每个感光鼓52和中间转印带14以鼓圆周速度VD旋转，皮带圆周速度VB分别略高于鼓圆周速度VD。在不进行图像形成操作的时刻，同时改变鼓圆周速度VD与带圆周速度VB之间的圆周速度差，并且预定的圆周速度差根据圆周速度差的增加，从带负载转矩增加的范围确定实际用于图像形成操作。版权所有（C）2009，JPO＆INPIT

9. 发明专利

JP2008164736A Conveying device and image forming apparatus 有权
标题翻译：输送装置和图像形成装置
公开(公告)号：JP2008164736A
公开(公告)日：2008-07-17
申请号：JP2006351650
申请日：2006-12-27
申请人： Fuji Xerox Co Ltd , 富士ゼロックス株式会社
发明人： KITAMURA ATSUYUKI , SATO MASAHIRO , MURAKAMI JUNICHI
IPC分类号： G03G15/00 , G03G15/16 , G03G21/00
CPC分类号： G03G15/161 , G03G15/1615 , G03G15/6555 , G03G2215/00409 , G03G2215/00413 , G03G2215/1623
摘要： PROBLEM TO BE SOLVED: To provide a conveying device and an image forming apparatus which are capable of increasing the drive force of a conveying member. SOLUTION: The image forming apparatus 10 has an intermediate transfer belt 14 conveying toner images formed by a plurality of image forming sections 16Y, 16M, 16C and 16B. The drive force is transmitted to the intermediate transfer belt 14 through a friction force, at two places of a position in contact with a main drive roll 41 and a position in contact with an auxiliary drive roll 42. The drive force transmitted to the intermediate transfer belt 14 by the main drive roll 41 is larger than that transmitted to the intermediate transfer belt 14 by the auxiliary drive roll 42. Further, the circumferential speed of the main drive roll 41 is lower than that of the auxiliary drive roll 42. COPYRIGHT: (C)2008,JPO&INPIT
摘要翻译：要解决的问题：提供能够增加输送构件的驱动力的输送装置和图像形成装置。解决方案：图像形成装置10具有传送由多个图像形成部16Y，16M，16C和16B形成的调色剂图像的中间转印带14。驱动力通过摩擦力，在与主驱动辊41接触的位置的两个位置和与辅助驱动辊42接触的位置中传递到中间转印带14.传递到中间转印件的驱动力主驱动辊41的带14大于通过辅助驱动辊42传递到中间转印带14的传送带14.此外，主驱动辊41的圆周速度低于辅助驱动辊42的圆周速度。
版权所有（C）2008，JPO＆INPIT

10. 发明专利

JP2012047786A Image forming device 有权
标题翻译：图像形成装置
公开(公告)号：JP2012047786A
公开(公告)日：2012-03-08
申请号：JP2010186959
申请日：2010-08-24
申请人： Fuji Xerox Co Ltd , 富士ゼロックス株式会社
发明人： SATO MASAHIRO , KITAMURA ATSUYUKI , OGIWARA ATSUSHI , MURAKAMI JUNICHI , OKAMOTO TETSUJI , WATANABE KOICHI , NISHIDE SHUICHI
IPC分类号： G03G15/01 , G03G15/00 , G03G15/08
摘要： PROBLEM TO BE SOLVED: To reduce a shock occurring at a moving body when the moving body which is moving by driving is externally stopped.SOLUTION: An image forming device includes a worm wheel 14c for transmitting a driving force that rotates a rotary development device 14 in an arrow C direction; a worm 32e for transmitting the driving force that rotates the rotary development device 14 in an arrow C direction by meshing with the worm wheel 14c; a rotary shaft 32b for supporting the worm 32e so as to allow a movement of the worm 32e in a drive-reaction force direction opposite to the drive transmission direction (the arrow C direction) in a contact area between the worm 32e and the worm wheel 14c; a compression spring 32f that energizes the worm 32e supported by the rotary shaft 32b toward the drive transmission direction; and a stopper 33a that restricts the rotation of the rotary development device 14 by contacting a positioning wheel 14b provided to the rotary development device 14.
摘要翻译：要解决的问题：当通过驾驶移动的移动体在外部停止时，减少在移动体发生的冲击。解决方案：图像形成装置包括：用于传递旋转显影装置14沿箭头C方向旋转的驱动力的蜗轮14c; 蜗杆32e，用于传递通过与蜗轮14c啮合而使旋转显影装置14沿箭头C方向旋转的驱动力; 用于支撑蜗杆32e的旋转轴32b，以便在蠕虫32e和蜗轮之间的接触区域中允许蜗杆32e在与驱动传递方向（箭头C方向）相反的驱动反作用力方向上移动 14C; 压缩弹簧32f，其使由旋转轴32b支撑的蜗杆32e朝向驱动传递方向通电; 以及通过接触设置在旋转显影装置14上的定位轮14b来限制旋转显影装置14的旋转的止挡件33a。（C）2012，JPO＆INPIT

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