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1. 发明专利

JP2012255989A Drive force transmission device and image forming apparatus including the same 有权
标题翻译：驱动力传动装置和图像形成装置，包括它们
公开(公告)号：JP2012255989A
公开(公告)日：2012-12-27
申请号：JP2011130100
申请日：2011-06-10
申请人： Ricoh Co Ltd , 株式会社リコー
发明人： FUNAMOTO KENSHO , MIURA YOHEI , ISHIDA MASAHIRO , YAMAZAKI KIMIHARU
IPC分类号： G03G15/00
摘要： PROBLEM TO BE SOLVED: To provide a drive force transmission device capable of improving accuracy of a center distance, suppressing an increase in a weight, a production cost and an arrangement space, and transmitting the drive force at a high accuracy.SOLUTION: The drive force transmission device includes: a mold gear shaft 42Y; a developing idler gear 44Y provided so as to be rotatable and movable about the mold gear shaft 42Y; and a developing drive motor 52 for driving the developing idler gear 44Y. The mold gear shaft 42Y includes: a flange part 62 for regulating the movement in the axial direction; a protrusion part 63 provided on the flange part 62 so as to come into contact with an assembly 112; and a mounting part 64 mounted on a driving face plate 41. The drive force transmission device is configured that either of a thrust force Fthat the protrusion part 63 presses the assembly 112 and a thrust force Fthat the mold gear shaft 42Y presses the driving surface plate 41 is applied according to a rotating direction when the mold gear shaft 42Y rotates.
摘要翻译：解决的问题：提供能够提高中心距离的精度的驱动力传递装置，抑制重量的增加，制造成本和布置空间，并且以高精度传递驱动力。解决方案：驱动力传递装置包括：模具齿轮轴42Y; 显影惰轮44Y，其设置成能够围绕模具齿轮轴42Y旋转和移动; 以及用于驱动显影惰轮44Y的显影驱动马达52。模具齿轮轴42Y包括：用于调节轴向移动的凸缘部62; 设置在凸缘部62上以与组件112接触的突出部63; 以及安装在驱动面板41上的安装部64.驱动力传递装置被构造成突出部63按压组件112的推力F 1 当模具齿轮轴42Y旋转时，模具齿轮轴42Y按压驱动面板41的推力F 2 施加旋转方向。版权所有（C）2013，JPO＆INPIT

2. 发明专利

JP2011059150A Image forming device 有权
标题翻译：图像形成装置
公开(公告)号：JP2011059150A
公开(公告)日：2011-03-24
申请号：JP2009205521
申请日：2009-09-07
申请人： Ricoh Co Ltd , 株式会社リコー
发明人： MAEBATAKE YASUHIRO , EBARA YASUHISA , FUNAMOTO KENSHO , NISHIKAWA TETSUJI , YASUDA JUN , MURAKAMI HIROAKI
IPC分类号： G03G15/01 , G03G15/00 , G03G15/16 , G03G21/14
CPC分类号： G03G15/0131 , G03G15/1615 , G03G15/5054 , G03G15/5058 , G03G2215/00059 , G03G2215/0161
摘要： PROBLEM TO BE SOLVED: To suppress occurrence of a streaky image disturbance, as well as, suppresses the generation of color shift resulting from changing the average speed of an intermediate transfer belt. SOLUTION: A main controlling part is configured to choose and perform either a constant belt speed control which controls a driving motor (a driving source for an intermediate transfer belt) to move the intermediate transfer belt at a predetermined target belt speed or a constant motor speed control which rotates the driving motor at a predetermined target rotational speed. according to the content of a print command, and then prior to a first-time print job, after performing a writing position correcting process while moving the intermediate transfer belt under the constant belt speed control, forms a color shift detecting image by switching a control system to the constant motor speed control; measures a difference between amounts of color shift, and performs a speed correcting process for correcting the target rotational speed of the driving motor in the constant motor speed control based on the measurement result. COPYRIGHT: (C)2011,JPO&INPIT
摘要翻译：要解决的问题：为了抑制条纹图像干扰的发生，并且抑制由于改变中间转印带的平均速度而产生的色移。解决方案：主控制部件被配置为选择和执行控制驱动电动机（中间转印带的驱动源）的恒定皮带速度控制，以使中间转印带以预定的目标皮带速度或恒定的电动机速度控制，其使驱动电动机以预定的目标转速旋转。根据打印命令的内容，然后在第一次打印作业之前，在恒定皮带速度控制下移动中间转印带之后执行写入位置校正处理之后，通过切换控制来形成色移检测图像系统对电机恒速控制; 测量色移量之间的差异，并且基于测量结果执行用于在恒定电动机速度控制中校正驱动电动机的目标转速的速度校正处理。版权所有（C）2011，JPO＆INPIT

3. 发明专利

JP2010217570A Image forming apparatus 有权
标题翻译：图像形成装置
公开(公告)号：JP2010217570A
公开(公告)日：2010-09-30
申请号：JP2009064979
申请日：2009-03-17
申请人： Ricoh Co Ltd , 株式会社リコー
发明人： ISHIDA MASAHIRO , NISHIKAWA TETSUJI , MAEBATAKE YASUHIRO , EBARA YASUHISA , FUNAMOTO KENSHO , YASUDA JUN
IPC分类号： G03G15/01 , G03G15/00 , G03G15/16 , G03G21/00
摘要： PROBLEM TO BE SOLVED: To reduce a specific color misregistration which may occur between two photoreceptor driving gears connected via an idle gear, even when forming these gears by identical gears, in such a configuration that a distance between transfer parts is not integral multiple of a peripheral length of a photoreceptor. SOLUTION: In a so-called tandem printer, a motor gear is directly connected to a photoreceptor driving gear for M, and an idler gear is directly connected to a photoreceptor driving gear for C and the photoreceptor driving gear for M to drive both of them by a single driving source, and diameters of photoreceptors for C and M, the distance between these transfer parts, a motor input angle, and an idler input angle are set so that the absolute value of a value resulting from subtracting one from an ideal amplitude ratio showing a ratio of an ideal amplitude of an eccentric component of the photoreceptor driving gear for C to an actual amplitude of an eccentric component E M of the photoreceptor driving gear for M is equal to or lower than a maximum allowable amplitude ratio. COPYRIGHT: (C)2010,JPO&INPIT
摘要翻译：要解决的问题：为了减少通过空转齿轮连接的两个感光体驱动齿轮之间可能发生的特定的颜色重合失调，即使在通过相同的齿轮形成这些齿轮时，也可以使传递部分之间的距离不是一体的感光器的周长的倍数。
解决方案：在所谓的串联式打印机中，马达齿轮直接连接到M的感光体驱动齿轮，空转齿轮直接连接到用于C的感光体驱动齿轮和M的感光体驱动齿轮驱动它们都是单个驱动源，并且用于C和M的感光体的直径，这些转印部分之间的距离，电动机输入角度和惰性输入角度被设置为使得从减去1得到的值的绝对值表示感光体驱动齿轮对于C的偏心分量的理想振幅与M的感光体驱动齿轮的偏心分量E M 的实际振幅的比率的理想振幅比等于或等于低于最大允许振幅比。版权所有（C）2010，JPO＆INPIT

4. 发明专利

JP2010217569A Image forming apparatus 有权
标题翻译：图像形成装置
公开(公告)号：JP2010217569A
公开(公告)日：2010-09-30
申请号：JP2009064967
申请日：2009-03-17
申请人： Ricoh Co Ltd , 株式会社リコー
发明人： NISHIKAWA TETSUJI , MAEBATAKE YASUHIRO , YASUDA JUN , EBARA YASUHISA , FUNAMOTO KENSHO , ISHIDA MASAHIRO
IPC分类号： G03G15/00 , G03G15/01 , G03G15/16
摘要： PROBLEM TO BE SOLVED: To reduce color drift of a specific color which could occur between two photoreceptor drive gears connected through an idler gear when a distance between transfer sections is set to depart from integral multiple of a peripheral length of the photoreceptor, even if the gears are formed from the same gears. SOLUTION: The printer is so-called tandem type. A motor gear is directly connected to the photoreceptor drive gear for M, and the idler gear is directly connected to the photoreceptor drive gear for Y and the photoreceptor drive gear for M, both being driven by a single driving source. Diameters of the photoreceptors Y and M, the distance between the transfer sections thereof, a motor input angle and an idler input angle are set so that an absolute value of a value deducted 1 from an ideal amplitude ratio representing a ratio of ideal amplitude of an eccentric component of the photoreceptor drive gear for Y to actual amplitude of the eccentric component of the photoreceptor drive gear for M is equal to or less than the maximum permissible amplitude ratio. COPYRIGHT: (C)2010,JPO&INPIT
摘要翻译：要解决的问题：为了减少当传送部分之间的距离设定为离开感光体的周长的整数倍时，通过空转齿轮连接的两个感光体驱动齿轮之间可能发生的特定颜色的颜色漂移，即使齿轮由相同的齿轮形成。
解决方案：打印机是所谓的串联型。马达齿轮直接连接到M的感光体驱动齿轮，空转齿轮直接连接到用于Y的感光体驱动齿轮和用于M的感光体驱动齿轮，两者均由单个驱动源驱动。感光体Y和M的直径，其传送部分之间的距离，电动机输入角度和惰轮输入角度被设置为使得从理想振幅比值的理想振幅比中减去1的值的绝对值表示用于Y的感光体驱动齿轮的偏心分量对于M的感光体驱动齿轮的偏心分量的实际振幅等于或小于最大允许振幅比。版权所有（C）2010，JPO＆INPIT

5. 发明专利

JP2009069556A Drive transmission, image forming apparatus using the same, and process cartridge 有权
标题翻译：驱动传输，使用其的图像形成装置和处理盒
公开(公告)号：JP2009069556A
公开(公告)日：2009-04-02
申请号：JP2007238744
申请日：2007-09-14
申请人： Ricoh Co Ltd , 株式会社リコー
发明人： SUGIYAMA KEISUKE , EBARA YASUHISA , UCHIDA TOSHIYUKI , FUNAMOTO KENSHO
IPC分类号： G03G15/00 , F16D1/02
CPC分类号： G03G21/1864 , G03G21/1647 , G03G2221/1657 , Y10T403/559
摘要： PROBLEM TO BE SOLVED: To provide a rotational drive transmission satisfying simultaneously rotational precision in a plurality of rotors, and positional precision in the fellow rotors. SOLUTION: The first rotor drive system is constituted of a drive motor 301, a gear 302 for decelerating a driving force of the motor, an involute spline joint 304, and a shaft support member 303 fixed onto a transmission body. The second rotor drive system is constituted of deceleration trains 305-308, and an involute spline joint 309. The involute spline joint 309 is journaled by the shaft support member 303 the same to that of the involute spline joint 304. A rotational drive input by the drive motor 301 is transmitted to the deceleration gear 302, and the involute spline joint 304 coaxial to the gear 302 is driven, in the first rotor drive system. The involute spline joint 304 in a drive unit side is engaged by meshing with an involute spline joint in a driven side, so as to transmit the rotational drive. COPYRIGHT: (C)2009,JPO&INPIT
摘要翻译：要解决的问题：提供同时满足多个转子的旋转精度的旋转驱动变速器和同类转子的位置精度。解决方案：第一转子驱动系统由驱动马达301，用于减速马达的驱动力的齿轮302，渐开线花键接头304和固定在变速器主体上的轴支撑构件303构成。第二转子驱动系统由减速列305-308和渐开线花键接头309组成。渐开线花键接头309由轴支撑构件303与渐开线花键接头304相同。旋转驱动输入由驱动马达301被传递到减速齿轮302，并且在第一转子驱动系统中驱动与齿轮302同轴的渐开线花键接头304。驱动单元侧的渐开线花键接头304通过与从动侧的渐开线花键接合部啮合而进行啮合，从而传递旋转驱动。版权所有（C）2009，JPO＆INPIT

6. 发明专利

JP2008267520A Wear preventing member, rotating mechanism, drive mechanism, and image forming device 审中-公开
标题翻译：磨损会员，旋转机构，驱动机构和图像形成装置
公开(公告)号：JP2008267520A
公开(公告)日：2008-11-06
申请号：JP2007112682
申请日：2007-04-23
申请人： Ricoh Co Ltd , 株式会社リコー
发明人： FUNAMOTO KENSHO , EBARA YUZURU , EBARA YASUHISA , KOBAYASHI KAZUHIKO , UCHIDA TOSHIYUKI , SUGIYAMA KEISUKE
IPC分类号： F16C17/02 , F16C3/02 , F16D1/06 , F16H55/17 , F16H55/38
摘要： PROBLEM TO BE SOLVED: To prevent the wear and abnormal sounds of a sliding bearing in which a power transmission member fixing irregular-shaped portion formed on a rotating shaft is arranged. SOLUTION: This wear preventing member 310 is arranged between the rotating shaft 301 having a plane portion 304 formed on the outer peripheral face ranging from the joining site of a gear 302 to at least one edge for joining the gear 302, and a sliding bearing 303 rotationally supporting the rotating shaft 301 at its end. It comprises an insertion part 311 to be inserted into a gap portion formed between the plane portion 304 of the rotating shaft 301 and the inner peripheral face of the sliding bearing 303, and a collar member 312 arranged outside the sliding bearing for the shaft member to be inserted thereinto. It is rotated together with the rotating shaft 301. COPYRIGHT: (C)2009,JPO&INPIT
摘要翻译：要解决的问题：为了防止其中布置有形成在旋转轴上的不规则形状部分的动力传递部件的滑动轴承的磨损和异常声音。解决方案：该防磨损构件310布置在具有形成在外周面上的平面部分304的旋转轴301之间，其从齿轮302的接合位置到用于接合齿轮302的至少一个边缘，以及滑动轴承303在其端部旋转地支撑旋转轴301。它包括插入到形成在旋转轴301的平面部分304和滑动轴承303的内周面之间的间隙部分中的插入部分311和布置在用于轴部件的滑动轴承外侧的轴环部件312 插入其中。它与旋转轴301一起旋转。版权所有：（C）2009，JPO＆INPIT

7. 发明专利

JP2008242289A Driving device and image forming apparatus 审中-公开
标题翻译：驱动装置和图像形成装置
公开(公告)号：JP2008242289A
公开(公告)日：2008-10-09
申请号：JP2007085512
申请日：2007-03-28
申请人： Ricoh Co Ltd , 株式会社リコー
发明人： UCHIDA TOSHIYUKI , KOBAYASHI KAZUHIKO , EBARA YUZURU , EBARA YASUHISA , FUNAMOTO KENSHO , SUGIYAMA KEISUKE
IPC分类号： G03G15/01 , G03G15/00
摘要： PROBLEM TO BE SOLVED: To provide a rotation driving device capable of rapidly controlling drive so that a rotating body may rotate at aimed speed by promptly obtaining the rotating position of the rotating body, and to provide an image forming apparatus and a process cartridge. SOLUTION: A control part recognizes the rotating position of a photoreceptor when the drive of a process driving motor is stopped from a result obtained by detecting a reference mark by a position sensor. Next, the control part predicts the rotating position of the photoreceptor when the speed of the photoreceptor attains the aimed speed based on the recognized rotating position of the photoreceptor when the drive of the process driving motor is stopped, time t3 that is rotational angle obtaining information, and a detected speed variation pattern. Then, the control part starts drive control before the position sensor detects the reference mark after the speed of the photoreceptor attains the predetermined speed based on the predicted rotating position of the photoreceptor when the speed of the photoreceptor attains the predetermined speed. COPYRIGHT: (C)2009,JPO&INPIT
摘要翻译：解决的问题：提供一种旋转驱动装置，其能够快速地控制驱动，使得旋转体可以通过迅速获得旋转体的旋转位置以目标速度旋转，并且提供图像形成装置和处理墨盒。解决方案：当通过由位置传感器检测参考标记而获得的结果停止处理驱动电动机的驱动时，控制部分识别感光体的旋转位置。接下来，当处理驱动电动机的驱动停止时，基于识别的感光体的旋转位置，当感光体的速度达到目标速度时，控制部分预测感光体的旋转位置，作为旋转角度获取信息的时间t3 ，以及检测到的速度变化模式。然后，当感光体的速度达到预定速度时，基于感光体的预测旋转位置，在感光体的速度达到预定速度之后，位置传感器检测到基准标记之前，控制部分开始驱动控制。版权所有（C）2009，JPO＆INPIT

8. 发明专利

JP2008158298A Image forming apparatus, process cartridge, and method for controlling driving of image carrier 有权
标题翻译：图像形成装置，处理盒和控制图像载体驱动的方法
公开(公告)号：JP2008158298A
公开(公告)日：2008-07-10
申请号：JP2006347494
申请日：2006-12-25
申请人： Ricoh Co Ltd , 株式会社リコー
发明人： UCHIDA TOSHIYUKI , EBARA YASUHISA , KOBAYASHI KAZUHIKO , EBARA YUZURU , FUNAMOTO KENSHO , SUGIYAMA KEISUKE
IPC分类号： G03G21/14 , G03G15/01
摘要： PROBLEM TO BE SOLVED: To provide an image forming apparatus capable of implementing a method for detecting the positional deviation components of a plurality of images, having different colors and which is formed by respective image forming means and correcting the positional deviation. SOLUTION: In the image forming apparatus where a magenta photoreceptor and a cyan photoreceptor, for example, are driven by one motor 13, the amplitude of anti-phase is applied to the motor 13 that is a drive source so that the amplitude of the photoreceptor, having the largest amplitude of angular velocity variation out of the magenta photoreceptor and the cyan photoreceptor, can be a minimum to restrain the variation in the rotational speed in the magenta photoreceptor and the cyan photoreceptor; and the number of revolutions of the magenta photoreceptor and the cyan photoreceptor is varied, at a fixed cycle via large diameter gears 12b and 12c for the magenta photoreceptor and the cyan photoreceptor, thereby the positional deviation of the image on the two photoreceptors is prevented. COPYRIGHT: (C)2008,JPO&INPIT
摘要翻译：解决的问题：提供一种能够实现用于检测具有不同颜色并且由各个图像形成装置形成并且校正位置偏差的多个图像的位置偏差分量的方法的图像形成装置。解决方案：在例如由一个电动机13驱动品红色感光体和青色感光体的图像形成装置中，将抗相位振幅施加到作为驱动源的电机13，使振幅具有从品红色感光体和青色感光体出射的角速度变化幅度最大的感光体的最小值可以抑制品红色感光体和青色感光体的旋转速度的变化; 并且通过用于品红色感光体和青色感光体的大直径齿轮12b和12c以恒定的周期改变品红色感光体和青色感光体的转数，从而防止了两个感光体上的图像的位置偏移。版权所有（C）2008，JPO＆INPIT

9. 发明专利

JP2008138845A Drive transmission device, process cartridge, and image forming device 审中-公开
标题翻译：驱动传输装置，处理盒和图像形成装置
公开(公告)号：JP2008138845A
公开(公告)日：2008-06-19
申请号：JP2006328464
申请日：2006-12-05
申请人： Ricoh Co Ltd , 株式会社リコー
发明人： SUGIYAMA KEISUKE , EBARA YUZURU , EBARA YASUHISA , KOBAYASHI KAZUHIKO , UCHIDA TOSHIYUKI , FUNAMOTO KENSHO
IPC分类号： F16D1/09 , F16D1/02 , F16D1/06 , G03G15/00 , G03G21/00
摘要： PROBLEM TO BE SOLVED: To transmit rotation driving force without causing rattling in spite of positive/reverse rotation or a fluctuation of driving force. SOLUTION: This drive transmission device comprises a photoreceptor driving shaft 307 to be rotationally driven while receiving driving force, a driving side joint 308 arranged on the photoreceptor driving shaft 307, a locking member 320 provided perpendicular to the photoreceptor driving shaft 307 for restricting the position of the driving side joint 308 in the thrusting direction, and a screw 321 for fixing the driving side joint 308 to the photoreceptor driving shaft 307 while pressing it in the longitudinal direction. Herein, the driving side joint 308 is held between the locking member 320 and the screw 321 in the pressed condition, and the rotation of the photoreceptor driving shaft 307 is transmitted to the driving side joint 308. The locking member 320 is formed to be integrated with the photoreceptor driving shaft 307 part of which has a greater shaft diameter. The driving side joint 308 and the locking member 320 are integrally rotated with their abutting portion deformed. COPYRIGHT: (C)2008,JPO&INPIT
摘要翻译：要解决的问题：尽管有正/反向旋转或驱动力的波动，也不会发生旋转驱动力而不引起晃动。解决方案：该驱动传动装置包括感光体驱动轴307，以受到驱动力的旋转驱动;布置在感光体驱动轴307上的驱动侧接头308，垂直于感光体驱动轴307设置的锁定部件320，限制驱动侧接头308在推动方向上的位置，以及螺钉321，用于将驱动侧接头308固定在感光体驱动轴307上同时沿纵向按压。这里，驱动侧接头308在被按压状态下被保持在锁定构件320和螺钉321之间，并且感光体驱动轴307的旋转被传递到驱动侧接头308.锁定构件320形成为一体感光体驱动轴307的一部分具有较大的轴直径。驱动侧接头308和锁定构件320随其抵接部变形而一体地旋转。版权所有（C）2008，JPO＆INPIT

10. 发明专利

JP2007232905A Image forming apparatus 审中-公开
标题翻译：图像形成装置
公开(公告)号：JP2007232905A
公开(公告)日：2007-09-13
申请号：JP2006052626
申请日：2006-02-28
申请人： Ricoh Co Ltd , 株式会社リコー
发明人： FUNAMOTO KENSHO , SHIGETA SEIICHI , MATSUDA YUJI , EBARA YUZURU , EBARA YASUHISA , KOBAYASHI KAZUHIKO
IPC分类号： G03G15/01 , G03G15/00 , G03G21/14
摘要： PROBLEM TO BE SOLVED: To provide an image forming apparatus that improves accuracy in the correction of image displacement by highly accurately calculating the speed change information of a specific rotational body in the image forming apparatus body. SOLUTION: On the basis of the mark position information of a mark pattern 36 formed on an intermediate transfer belt 8, an arithmetic mark pattern data 42 is newly formed. From this arithmetic mark pattern data 42, the speed change information (amplitude and phase) of a photoreceptor drum 1 is calculated. Then, on the basis of the speed change information of the photoreceptor drum 1, the image displacement is corrected. COPYRIGHT: (C)2007,JPO&INPIT

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