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21. 发明专利

JP2009258444A Intermediate transfer unit and image forming apparatus 审中-公开
标题翻译：中间传输单元和图像形成装置
公开(公告)号：JP2009258444A
公开(公告)日：2009-11-05
申请号：JP2008108226
申请日：2008-04-17
申请人： Konica Minolta Business Technologies Inc , コニカミノルタビジネステクノロジーズ株式会社
发明人： KAWAKAMI ISAO , WADA TAKUYA
IPC分类号： G03G15/16 , G03G15/01 , G03G21/20
摘要： PROBLEM TO BE SOLVED: To provide an image forming apparatus that effectively restrains the rise in temperature, in an intermediate transfer body and a photoreceptor, without generating powder dust of toner in an environment where the temperature in the apparatus rises to obtain a proper image. SOLUTION: This image forming apparatus 1 includes an intermediate transfer unit 30 provided in an air duct 50, wherein the intermediate transfer unit includes an intermediate transfer body 10 for transferring a toner image on the photoreceptor 3; a plurality of structures including two or more rollers 11, 12 supporting the intermediate transfer body; a primary transfer roller 14, constituting a part of the plurality of structures to apply voltage to the inner surface of the intermediate transfer body; and an intermediate transfer frame 41 supporting the plurality of structures. The intermediate transfer frame includes a suction duct 71 for introducing cooling air in the air duct, into the intermediate transfer body, an exhaust duct 72 for discharging cooling air from the interior of the intermediate transfer body and a straightening vane 44 for passing the cooling air introduced from the suction duct through the periphery of the primary transfer roller. COPYRIGHT: (C)2010,JPO&INPIT
摘要翻译：要解决的问题：为了提供一种在中间转印体和感光体中有效地抑制温度升高的图像形成装置，在设备的温度升高的环境中不产生调色剂的粉尘，从而获得正确的图像。解决方案：该图像形成装置1包括设置在空气管道50中的中间转印单元30，其中中间转印单元包括用于将感光体3上的调色剂图像转印的中间转印体10; 包括两个或更多个支撑中间转印体的辊子11,12的多个结构; 构成多个结构的一部分以将电压施加到中间转印体的内表面的一次转印辊14; 以及支撑多个结构的中间转印框架41。中间转印架包括用于将空气导管中的冷却空气引入中间转印体的吸入管道71，用于从中间转印体内部排出冷却空气的排气管72和用于使冷却空气通过的矫直叶片44 从吸入管通过一次转印辊的周边引入。版权所有（C）2010，JPO＆INPIT

22. 发明专利

JP2009015182A Image forming apparatus 审中-公开
标题翻译：图像形成装置
公开(公告)号：JP2009015182A
公开(公告)日：2009-01-22
申请号：JP2007179203
申请日：2007-07-09
申请人： Konica Minolta Business Technologies Inc , コニカミノルタビジネステクノロジーズ株式会社
发明人： KAWAKAMI ISAO
IPC分类号： G03G15/16
摘要： PROBLEM TO BE SOLVED: To provide an image forming apparatus configured such that a toner image formed on an image carrier is transferred to the surface of the intermediate transfer belt by causing a transfer bias voltage to act between a transfer roller and an image carrier facing across an intermediate transfer belt, wherein the cost of the transfer roller is reduced and a leak is prevented from being generated between the image carrier and transfer roller.
SOLUTION: The image forming apparatus is configured such that the toner image formed on the image carrier is transferred to the surface of the intermediate transfer belt by causing the transfer bias voltage to act between the transfer roller 23 and the image carrier 11 facing across the intermediate transfer belt 21, wherein the transfer roller made of a conductive, hard material has: a contact portion 23a that comes in contact with the back of the intermediate transfer belt in the width direction of the intermediate transfer belt; projecting portions 23b projecting from the width direction ends of the intermediate transfer belt and having diameters smaller than the contact portion; and rotating shafts 23c held so as to be rotatable.
COPYRIGHT: (C)2009,JPO&INPIT
摘要翻译：要解决的问题：提供一种图像形成装置，其被配置为使得通过使转印偏压在转印辊和图像之间作用而将形成在图像载体上的调色剂图像转印到中间转印带的表面上载体面对中间转印带，其中转印辊的成本降低，并且防止在图像载体和转印辊之间产生泄漏。解决方案：图像形成装置被配置为使得通过使转印偏压在转印辊23和图像载体11的表面之间作用而将形成在图像载体上的调色剂图像转印到中间转印带的表面穿过中间转印带21，其中由导电硬质材料制成的转印辊具有：在中间转印带的宽度方向上与中间转印带的背面接触的接触部分23a; 突出部23b从中间转印带的宽度方向端突出，直径小于接触部; 以及可旋转地保持的旋转轴23c。版权所有（C）2009，JPO＆INPIT

23. 发明专利

JP2009015029A Image forming apparatus 有权
标题翻译：图像形成装置
公开(公告)号：JP2009015029A
公开(公告)日：2009-01-22
申请号：JP2007176982
申请日：2007-07-05
申请人： Konica Minolta Business Technologies Inc , コニカミノルタビジネステクノロジーズ株式会社
发明人： SAITO JUN , KAWAKAMI ISAO
IPC分类号： G03G21/00
摘要： PROBLEM TO BE SOLVED: To provide an image forming apparatus configured so that a toner image formed on the surface of an image holding member of an endless form moving with the toner image held thereon may be read by a reading sensor, the apparatus being designed so that the toner image on the surface of the image holding member may be accurately read by the reading sensor and the image holding member is prevented from being scratched.
SOLUTION: The image forming apparatus is configured so that a toner image formed on the surface of the image holding member 21 of an endless form moving with the toner image held thereon may be read by a reading sensor 9 disposed with a required space left from the surface of the image holding member. In the image forming apparatus, a mounting member 26 extending in the widthwise direction of the image holding member is disposed on the back of the image holding member disposed opposite the reading sensor. In addition, a pair of backup members 24 for pressing the image holding member to the reading sensor in contact with the back of the image holding member is disposed so as to project toward the reading sensor from the mounting member at both sides of the image holding member in its widthwise direction.
COPYRIGHT: (C)2009,JPO&INPIT
摘要翻译：要解决的问题：提供一种图像形成装置，其被配置为使得形成在与保持在其上的调色剂图像一起移动的环形形状的图像保持部件的表面上的调色剂图像可以由读取传感器读取，被设计成使得图像保持部件的表面上的调色剂图像可以被读取传感器准确地读取，并且防止图像保持部件被划伤。解决方案：图像形成装置被配置为使得形成在图像保持部件21的表面上的调色剂图像可以被保持在其上的调色剂图像移动的环形形状的表面读取，该读取传感器9设置有所需的空间从图像保持构件的表面离开。在图像形成装置中，在图像保持部件的宽度方向上延伸的安装部件26设置在与读取传感器相对设置的图像保持部件的背面。此外，一对用于将图像保持构件按压到与图像保持构件的背面接触的读取传感器的支撑构件24设置成从图像保持构件的两侧的安装构件向读取传感器突出成员在其宽度方向。版权所有（C）2009，JPO＆INPIT

24. 发明专利

JP2008286819A Toner recovery device and image forming apparatus 有权
标题翻译：调色剂恢复装置和图像形成装置
公开(公告)号：JP2008286819A
公开(公告)日：2008-11-27
申请号：JP2007128846
申请日：2007-05-15
申请人： Konica Minolta Business Technologies Inc , コニカミノルタビジネステクノロジーズ株式会社
发明人： KAWAKAMI ISAO
IPC分类号： G03G15/16
摘要： PROBLEM TO BE SOLVED: To effectively stir and convey toner in a housing despite its being a simple, inexpensive constitution.
SOLUTION: The housing 17 accommodates: a conveying member 18 that has spiral vane 27 on the outer peripheral face of a shaft 26 and conveys toner 12 in the axial direction; a stir member 19 that operates accompanying the rotation of the conveying member 18, thereby stirring the toner 12; and a pressing member 20 that presses the stir member 19 against the conveying member 18. The stir member 19 has a support shaft 25, supported by the bearing part 25 of the housing 17 so as to be rotatable and reciprocative in the axial direction; a guide 29 sliding over the spiral face of the vane 27 and reciprocative in the axial and rotating directions, according to the movement of the vane 27; and a stirring part 30 capable of stirring the toner 12 by swinging within the housing 17. The pressing member 20 has a first energizing part for energizing the stir member 19 against the conveying member 18 in the rotating direction, and a second energizing part for pressing the stir member 19 in the axial direction.
COPYRIGHT: (C)2009,JPO&INPIT
摘要翻译：要解决的问题：为了有效地搅拌和输送壳体中的调色剂，尽管其是简单，便宜的构造。解决方案：壳体17容纳：输送构件18，其在轴26的外周面上具有螺旋叶片27，并在轴向方向上输送调色剂12; 搅拌构件19，其伴随着输送构件18的旋转而操作，从而搅拌调色剂12; 以及按压构件20，其将搅拌构件19压靠在输送构件18上。搅拌构件19具有支撑轴25，其被支撑在壳体17的轴承部分25上，以便沿轴向可旋转和往复运动; 导向件29根据叶片27的运动在叶片27的螺旋面上滑动并沿轴向和旋转方向往复运动; 以及能够通过在壳体17内摆动来搅拌调色剂12的搅拌部分30.按压部件20具有第一激励部分，用于使搅拌部件19沿旋转方向抵靠传送部件18，并将第二激振部分按压搅拌构件19沿轴向方向。版权所有（C）2009，JPO＆INPIT

25. 发明专利

JP2008026691A Fixing device 审中-公开
标题翻译：固定装置
公开(公告)号：JP2008026691A
公开(公告)日：2008-02-07
申请号：JP2006200436
申请日：2006-07-24
申请人： Konica Minolta Business Technologies Inc , コニカミノルタビジネステクノロジーズ株式会社
发明人： TAKAHASHI MASAKI , KAWANAKAKO YUUKAI , KAWAKAMI ISAO
IPC分类号： G03G15/20
摘要： PROBLEM TO BE SOLVED: To provide a fixing device capable of suppressing the curling of a recording sheet. SOLUTION: The fixing device includes: a heating roller 2 which is rotationally driven; an endless belt 3 which is pressed to the heating roller 2 by a pressure contact roller 9 arranged on an inner side to hold the recording sheet S therebetween; and a support roller 8 which is arranged on an inner side of the endless belt 3, and stretches the endless belt 3 in such a manner that the downstream side of a nip N of the endless belt 3 makes an angle of ≥90° with the tangent direction of the heating roller 2 facing the rear end of the pressure contact roller 9. The support roller 8 is rotationally driven so as to make its outer peripheral speed greater than the outer peripheral speed of the heating roller 2, thereby changing the tension force T of the endless belt 3 by the support roller 8 according to the kind of the recording sheet S and the temperature and humidity of the atmosphere in such a manner that the conveyance force Fr on the endless belt 3 is smaller than the conveyance force Fh on the endless belt 3 of the heating roller 2. COPYRIGHT: (C)2008,JPO&INPIT
摘要翻译：要解决的问题：提供一种能够抑制记录纸张卷曲的定影装置。解决方案：定影装置包括：旋转驱动的加热辊2; 通过布置在内侧的压力接触辊9将其压在记录纸S上的环形带3; 以及布置在环形带3的内侧的支撑辊8，并且以环状带3的辊隙N的下游侧与环状带3的角度≥90°的方式拉伸环形带3，加热辊2的面向压力接触辊9的后端的切线方向。支承辊8旋转驱动，使其外周速度大于加热辊2的外周速度，由此改变张力根据记录片材S的种类和环境温度和湿度，通过支撑辊8的环形带3的循环带3的T，使得环形带3上的传送力Fr小于传送力Fh on 加热辊2的环形带3。版权所有（C）2008，JPO＆INPIT

26. 发明专利

JP2005345623A Image forming apparatus 审中-公开
标题翻译：图像形成装置
公开(公告)号：JP2005345623A
公开(公告)日：2005-12-15
申请号：JP2004163422
申请日：2004-06-01
申请人： Konica Minolta Business Technologies Inc , コニカミノルタビジネステクノロジーズ株式会社
发明人： NAKAMURA SHIGEO , FUJII SATOSHI , KAWAKAMI ISAO , GONDA TAKASHI
IPC分类号： G03G15/00 , H04N1/00
摘要： PROBLEM TO BE SOLVED: To provide an image forming apparatus that requires no complex conveying means, is easy to operate, even for physically impaired persons and is highly reliable.
SOLUTION: A copying machine 100 includes an ADF 11 disposed in the highest part of the machine; a first image reading section 1; an image forming section 2; a manually inserted paper feed section 3 disposed lower than the first image reading section 1; and a second image reading section 4 disposed near the manually inserted paper feed section 3. The second image reading section 4 is located near the manually inserted paper feed section 3 and on the common path of the first conveyance path 5 and second conveyance path 6. A branch point, at which the first conveyance path 5 and the second conveyance path 6 are separated, is located downstream of the second image reading part 4. A conveyance-path switching guide 7 is disposed at the branch point.
COPYRIGHT: (C)2006,JPO&NCIPI
摘要翻译：要解决的问题：为了提供不需要复杂的输送装置的图像形成装置，即使是身体受损的人也容易操作，并且是高度可靠的。解决方案：复印机100包括设置在机器的最高部分的ADF11; 第一图像读取部1; 图像形成部2; 设置在比第一图像读取部1低的手动插入供纸部3; 以及设置在手动插入的供纸部3附近的第二图像读取部4.第二图像读取部4位于手动插入的供纸部3的附近以及第一输送路5和第二输送路6的共通路径上。第一输送路径5和第二输送路径6分离的分支点位于第二图像读取部4的下游。输送路切换引导件7设置在分支点处。版权所有（C）2006，JPO＆NCIPI

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