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11. 发明专利

JP2011180248A Sheet pressing device and image forming apparatus using the same 审中-公开
标题翻译：使用其的片材压制装置和图像形成装置
公开(公告)号：JP2011180248A
公开(公告)日：2011-09-15
申请号：JP2010042424
申请日：2010-02-26
申请人： Fuji Xerox Co Ltd , 富士ゼロックス株式会社
发明人： ICHIKI YUKIHIRO , TANAKA YASUKI , YAGI MOTOYUKI
IPC分类号： G03G15/20 , B65H29/58 , B65H29/60 , B65H29/70 , G03G15/00
CPC分类号： G03G15/2089 , G03G15/206 , G03G15/6576 , G03G2215/00662
摘要： PROBLEM TO BE SOLVED: To provide a sheet pressing device capable of preventing generation of a defect, such as bend, at the corner part of a curved sheet without requiring size increase of the device even when deformation occurs in which the sheet, on which a fixing process is performed by a fixing device, is curled in the direction crossing the conveyance direction of the sheet; and to provide an image forming apparatus using the sheet pressing device. SOLUTION: The sheet pressing device includes a plurality of pressing members 40C and a support member. The plurality of pressing members are provided at the downstream side in the discharging direction of a fixing means which performs a fixing process over a sheet having an unfixed image transferred thereto. The plurality of pressing members press both ends of the sheet in the direction along a surface of the sheet fixed by the fixing means and also in the direction crossing the discharging direction. The support member supports the plurality of pressing members 40C movably in such a direction as to approach or separate from the sheet when the sheet passes through the plurality of pressing members 40C. COPYRIGHT: (C)2011,JPO&INPIT
摘要翻译：要解决的问题：提供一种即使发生变形也能够防止在弯曲片的角部处产生缺陷（如弯曲）而不需要尺寸增大的片材压制装置，通过定影装置执行定影处理，在与片材的输送方向交叉的方向上卷曲; 并提供使用该片材压制装置的图像形成装置。解决方案：片材压制装置包括多个按压构件40C和支撑构件。多个按压构件设置在固定装置的排出方向的下游侧，该定影装置对传送到其上的具有未定影图像的片材进行定影处理。多个按压构件沿着沿着由固定装置固定的片材的表面的方向以及沿与排出方向交叉的方向按压片材的两端。当片材通过多个按压构件40C时，支撑构件沿着与片材接近或分离的方向可移动地支撑多个按压构件40C。版权所有（C）2011，JPO＆INPIT

12. 发明专利

JP2010262137A Fixing device and image forming apparatus 有权
标题翻译：固定装置和图像形成装置
公开(公告)号：JP2010262137A
公开(公告)日：2010-11-18
申请号：JP2009112835
申请日：2009-05-07
申请人： Fuji Xerox Co Ltd , 富士ゼロックス株式会社
发明人： YAGI MOTOYUKI , TANAKA YASUKI , TANIOKA YOSHIYASU
IPC分类号： G03G15/20
CPC分类号： G03G15/2053 , G03G2215/2035
摘要： PROBLEM TO BE SOLVED: To stably perform fixing on a recording medium, such as an envelope, while suppressing the occurrence of unnecessary wrinkles. SOLUTION: The fixing device includes: a heat roll; an endless belt; and a pressing body forming a pressure contact portion by pressing the endless belt against the peripheral portion of the heat roll from the internal circumferential side of the belt. The pressure body includes: a hard pressure member disposed downstream of the firm contact portion for a recording medium in the direction of recording medium passage and has hardness greater than that of the elastic layer of the heat roll; and a soft pressure member disposed further upstream of the hard pressing member in the direction of the passage and elastically deformable due to its hardness lower than that of the elastic layer of the heat roll. In addition, the length of the firm contact portion in the direction of the passage is set such that the length of the firm contact portion defined by the hard pressure member is longer than that defined by the flexible pressure member. Further, the upstream end of the hard pressure member facing the heat roll in the direction of the passage is formed by a surface approaching the heat roll as it is displaced downstream in the direction of the passage. COPYRIGHT: (C)2011,JPO&INPIT
摘要翻译：要解决的问题：在抑制不必要的皱纹的发生的同时，在诸如信封的记录介质上稳定地执行定影。解决方案：定影装置包括：热辊; 无尽的腰带以及通过将环形带从带的内周侧压靠在热辊的周边部分上而形成压力接触部的按压体。压力体包括：设置在记录介质通道方向上用于记录介质的牢固接触部分下游的硬压部件，其硬度大于加热辊的弹性层的硬度; 以及柔软的压力构件，其在所述通道的方向上设置在所述硬按压构件的上游，并且由于其硬度比所述热辊的弹性层的硬度低，所以可弹性变形。此外，固定接触部分在通道方向上的长度被设定为使得由硬压力部件限定的牢固接触部分的长度比由柔性压力部件限定的长度长。此外，在通道方向上面对热辊的硬压构件的上游端由沿着通道方向向下游位移的热辊形成。版权所有（C）2011，JPO＆INPIT

13. 发明专利

JP2014191039A A fixing device and an image forming apparatus 审中-公开
标题翻译：固定装置和图像形成装置
公开(公告)号：JP2014191039A
公开(公告)日：2014-10-06
申请号：JP2013064055
申请日：2013-03-26
申请人： Fuji Xerox Co Ltd , 富士ゼロックス株式会社
发明人： ICHIKI YUKIHIRO , YAGI MOTOYUKI , WATANABE SHIGERU
IPC分类号： G03G15/20
摘要： PROBLEM TO BE SOLVED: To provide a fixing device which is capable of adjusting pressure exerted to a recording medium by the recording medium itself and an image forming apparatus.SOLUTION: The fixing device includes a rotating body 64, an endless belt 66 revolving while holding a recording medium P between the endless belt 66 and the rotating body 64, and a pressure member 80 arranged along the rotation axis direction of the rotating body 64 on the inner peripheral side of the endless belt 66 and pressurizing the endless belt 66 toward the rotating body 64. The pressure member 80 has a first position where the pressure member 80 comes into contact with the rotating body 64 through the endless belt 66 and a second position where the pressure member 80 does not come into contact with the rotating body 64. The pressure member 80 comes into contact with the rotating body 64 through the recording medium P and the endless belt 66 in the second position, when the recording medium P is conveyed.
摘要翻译：要解决的问题：提供一种能够通过记录介质本身和图像形成装置来调节施加到记录介质的压力的定影装置。解决方案：定影装置包括旋转体64，环形带66，其旋转，同时保持在环形带66和旋转体64之间的记录介质P和在环形带66的内周侧沿着旋转体64的旋转轴线方向布置的加压构件80，并且将循环带66朝向旋转压力构件80具有第一位置，其中压力构件80通过环形带66与旋转体64接触，并且压力构件80不与旋转体64接触的第二位置。当记录介质P传送时，压力构件80通过记录介质P和环形带66在第二位置与旋转体64接触编辑。

14. 发明专利

JP2013250438A Fixing device and image forming apparatus 有权
标题翻译：固定装置和图像形成装置
公开(公告)号：JP2013250438A
公开(公告)日：2013-12-12
申请号：JP2012125068
申请日：2012-05-31
申请人： Fuji Xerox Co Ltd , 富士ゼロックス株式会社
发明人： YAGI MOTOYUKI , WATANABE SHIGERU , ICHIKI YUKIHIRO , MIYAZAKI MEGUMI
IPC分类号： G03G15/20
CPC分类号： G03G15/2064 , G03G15/2021 , G03G15/2053 , G03G2215/2035
摘要： PROBLEM TO BE SOLVED: To suppress generation of wrinkles and occurrence of fixing unevenness in a recording material after fixing.SOLUTION: An endless pressure belt 520 is disposed in opposition to a heating roll and a pressing member 70 for forming a fixing nip part N is attached inside the pressure belt 520 by pressing the pressure belt 520 to the heating roll. The fixing nip part N has a first fixing nip part N1 and a second fixing nip part N2 located at the downstream part of the conveying direction A of paper from the first fixing nip part N1. The first fixing nip part N1 has a shape in which the length in the conveying direction A is decreasing toward both end parts from the central part in the shaft direction of the rotation shaft of the heating roll. The second fixing nip part N2 has a shape in which the length in the conveying direction A is increasing toward both end parts from the central part in the shaft direction and the end part on the upstream side in the conveying direction A in the second fixing nip part N2 has a shape in which the central part is protruded to the upstream side in the conveying direction A compared to both end parts in the shaft direction.
摘要翻译：要解决的问题：为了抑制定影后的记录材料中的皱纹的产生和固定不均匀的发生。解决方案：环形加压带520设置成与加热辊相对，并且用于形成定影夹持部N的加压构件70 通过将加压带520压到加热辊上而附接在压力带520内。定影夹持部N具有位于来自第一定影夹持部N1的纸的传送方向A的下游部分的第一定影夹持部N1和第二定影夹持部N2。第一定影夹持部N1具有沿着加热辊的旋转轴的轴方向的中心部沿着输送方向A的长度朝向两端部减小的形状。第二定影夹持部N2具有沿着轴方向的中央部和第二定影夹持部中的输送方向A的上游侧的端部沿着输送方向A的长度向两端部增加的形状部件N2具有与沿轴向的两个端部相比中心部分在输送方向A上向上游侧突出的形状。

15. 发明专利

JP2012236711A Discharge mechanism and image forming device 有权
标题翻译：放电机构和图像形成装置
公开(公告)号：JP2012236711A
公开(公告)日：2012-12-06
申请号：JP2011108626
申请日：2011-05-13
申请人： Fuji Xerox Co Ltd , 富士ゼロックス株式会社
发明人： MIYAZAKI MEGUMI , YAGI MOTOYUKI , ICHIKI YUKIHIRO
IPC分类号： B65H29/22 , B41J2/01 , G03G15/00 , G03G15/20
CPC分类号： G03G15/6573 , B65H29/14 , B65H29/70 , B65H2301/4423 , B65H2301/51214 , B65H2301/51256 , B65H2404/1114 , B65H2404/131 , B65H2404/1312 , B65H2404/1315 , B65H2701/1313 , B65H2701/1916
摘要： PROBLEM TO BE SOLVED: To provide a discharge mechanism capable of improving discharge performance as compared with a regular cylindrical roller member and reducing the probability of damaging a medium as compared with a roller member having irregularities on the peripheral surface.SOLUTION: An image forming device is provided with the discharge mechanism including: a rotary shaft; a roll member having a peripheral surface centering on the rotary shaft rotating together with the rotary shaft and discharging the medium contacting with the peripheral surface; and a deformation means deforming the medium so that a part of the medium which does not contact with the peripheral surface, passes through a position which is closer to the rotary shaft than the peripheral surface. In the peripheral surface possessed by the roll member, the part contacting with the medium is continuously displaced along the axial direction and the rotation direction of the rotary shaft when the roll member is rotated.
摘要翻译：要解决的问题：提供一种与常规圆柱滚子部件相比能够提高排出性能的排出机构，并且与在周面上具有凹凸的辊部件相比，降低了损坏介质的可能性。解决方案：图像形成装置设置有排出机构，包括：旋转轴; 辊构件，其具有以与旋转轴一起旋转的旋转轴为中心的周边表面，并且排出与周面接触的介质; 以及变形机构使介质变形，使得与周面不接触的介质的一部分通过比外周面更靠近旋转轴的位置。在辊构件所具有的周面上，当辊构件旋转时，与介质接触的部分沿轴向方向和旋转轴的旋转方向连续地移位。版权所有（C）2013，JPO＆INPIT

16. 发明专利

JP2012203068A Sliding bearing, fixing device and image forming device 审中-公开
标题翻译：滑动轴承，固定装置和图像形成装置
公开(公告)号：JP2012203068A
公开(公告)日：2012-10-22
申请号：JP2011065350
申请日：2011-03-24
申请人： Fuji Xerox Co Ltd , 富士ゼロックス株式会社
发明人： ICHIKI YUKIHIRO , YAGI MOTOYUKI
IPC分类号： G03G15/20 , F16C13/04 , F16C17/02 , F16C33/04
摘要： PROBLEM TO BE SOLVED: To rotatably support a rotating body that receives a load in a fixed radial direction such as a heating roll, with a sliding bearing, while preventing wear of the bearing and reducing rotation torque of the rotating body.SOLUTION: On a contact surface 38 formed on an inner diameter of a curved sliding bearing 32, in an upstream contact part 41 on the upstream of a load receiving part 40, which receives a load in a rotating body radial direction, in the rotation direction of the rotating body, a recess 43 is formed in the center in the rotating body axial direction. The contact length in the rotating body axial direction of the upstream contact part 41 is shorter than that of the load receiving part 40. The contact length in the rotating body axial direction of the upstream contact part 41 is reduced toward the upstream in the rotating body rotation direction. The contact length in the rotating body axial direction of a downstream contact part 42 on the downstream of the load receiving part 40 in the rotating body rotation direction is larger than the contact length in the rotating body axial direction of the upstream contact part 41. The contact length in the rotating body axial direction of the downstream contact part 42 is reduced toward the downstream of the rotating body rotation direction.
摘要翻译：要解决的问题：为了可旋转地支撑承受诸如加热辊等固定径向的负载的旋转体与滑动轴承，同时防止轴承磨损并降低旋转体的旋转扭矩。解决方案：在形成在弯曲滑动轴承32的内径上的接触表面38上，在承受旋转体径向负载的负载接收部分40的上游的上游接触部分41中，旋转体的旋转方向，凹部43形成在旋转体轴向的中心。上游接触部41的旋转体轴方向的接触长度比负载接收部40的接触长度短。上游接触部41的旋转体轴向的接触长度朝向旋转体的上游减小旋转方向。负载承受部40的旋转体旋转方向的下游侧的下游侧接触部42的旋转体轴方向的接触长度大于上游接触部41的旋转体轴方向的接触长度。下游接触部42的旋转体轴向的接触长度朝向旋转体旋转方向的下游减小。版权所有（C）2013，JPO＆INPIT

17. 发明专利

JP2012093446A Fixing device and image forming apparatus 审中-公开
标题翻译：固定装置和图像形成装置
公开(公告)号：JP2012093446A
公开(公告)日：2012-05-17
申请号：JP2010238798
申请日：2010-10-25
申请人： Fuji Xerox Co Ltd , 富士ゼロックス株式会社
发明人： ICHIKI YUKIHIRO , YAGI MOTOYUKI
IPC分类号： G03G15/20
摘要： PROBLEM TO BE SOLVED: To provide a fixing device using a belt member that prevents guide members on both ends of the belt member from collapsing.SOLUTION: A belt member 530 includes inside thereof a contact member 540 that comes into contact with the belt member 530, and a pressuring member 550 that is energized by a supported member 551 and presses the contact member 540 to the belt member 530. A guide member 570 includes a contact part 571 that comes into contact with a projection part 541 of the contact member 540, and a contact part 572 that comes into contact with a portion other than the supported part 551 of the end surface part of the pressuring member 550.
摘要翻译：要解决的问题：提供一种使用防止带部件的两端的引导部件折叠的带部件的固定装置。解决方案：带构件530包括与带构件530接触的接触构件540和由支撑构件551激励的加压构件550，并且将接触构件540按压到带构件530 引导构件570包括与接触构件540的突出部541接触的接触部571和与除了接触构件540的端面部的支撑部551以外的部分接触的接触部572 加压成员550.版权所有（C）2012，JPO＆INPIT

18. 发明专利

JP2012091891A Discharge device and image forming apparatus 有权
标题翻译：放电装置和图像形成装置
公开(公告)号：JP2012091891A
公开(公告)日：2012-05-17
申请号：JP2010238807
申请日：2010-10-25
申请人： Fuji Xerox Co Ltd , 富士ゼロックス株式会社
发明人： YAGI MOTOYUKI , ICHIKI YUKIHIRO
IPC分类号： B65H29/70 , B65H7/02 , G03G15/20
CPC分类号： G03G15/6573 , B65H29/14 , B65H29/52 , B65H2404/14 , B65H2553/612 , G03G2215/00421
摘要： PROBLEM TO BE SOLVED: To discharge a medium while restraining the medium from being abraded.SOLUTION: A paper sheet P is curled to such a direction that the paper sheet is wound around a pressurizing member 152 in a nip area (a fixing nip) to be formed by arranging a heating member 151 and the pressurizing member 152 opposed to each other. The paper sheet P is curled again to the direction, which is opposite to that when the paper sheet P is curled in the nip area, in an area from the fixing nip to a contact member 181. The paper sheet P is further curled to the direction, which is opposite to that when the paper sheet P is curled in the area from the fixing nip to the contact member 181, in an area from the contact member 181 to another nip area (a discharge nip) to be formed by arranging a first roll 161 and a second roll 162 to be opposed to each other. At this time, the contact member 181 is disposed at such a position that the contact member is not contacted with a guide member 190.
摘要翻译：要解决的问题：在抑制介质被磨损的同时排出介质。解决方案：纸张P卷曲成纸张卷绕在通过将加热构件151和加压构件152相对布置的辊隙区域（定影辊隙）中的加压构件152上缠绕的方向对彼此。纸张P再次卷曲到与纸张P在夹持区域中卷曲的方向相反的方向，在从定影辊隙到接触构件181的区域中。纸张P进一步卷曲到方向与纸张P在从定影辊隙到接触构件181的区域中卷曲的方向相反，在从接触构件181到另一个夹持区域（排出辊隙）的区域中，通过布置第一辊161和第二辊162彼此相对。此时，接触构件181设置在接触构件不与引导构件190接触的位置。版权所有（C）2012，JPO和INPIT

19. 发明专利

JP2012020833A Discharging device and image forming device 审中-公开
标题翻译：放电装置和图像形成装置
公开(公告)号：JP2012020833A
公开(公告)日：2012-02-02
申请号：JP2010159485
申请日：2010-07-14
申请人： Fuji Xerox Co Ltd , 富士ゼロックス株式会社
发明人： YAGI MOTOYUKI , ICHIKI YUKIHIRO
IPC分类号： B65H29/20 , G03G15/20
摘要： PROBLEM TO BE SOLVED: To provide a discharging device and an image forming device that prevent the difficult discharge of a recording medium.SOLUTION: When a recording medium 6 discharged to other recording mediums 6 stacked up to a predetermined height on a discharging portion 12 curls, the curled tip has reached the height of a discharging position. In this case, when a drive rotary shaft 222 rotates, a projecting section 226 contacts with the recording medium 6 in such a manner as to strike it from above. When struck by the projecting section 226, the recording medium 6 is made straight by the removal of its curl. Thus, the height of the recording medium 6 is made lower than the discharging position.
摘要翻译：解决的问题：提供一种防止记录介质难以排出的放电装置和图像形成装置。解决方案：当放电到放电部分12上堆叠到预定高度的其他记录介质6的记录介质6卷曲时，卷曲的尖端已经达到排出位置的高度。在这种情况下，当驱动旋转轴222旋转时，突出部分226以从上方撞击的方式与记录介质6接触。当被突出部分226撞击时，记录介质6通过去除其卷曲而变直。因此，使记录介质6的高度低于放电位置。版权所有（C）2012，JPO＆INPIT

20. 发明专利

JP2011203464A Conveying device, fixing device and image forming apparatus 有权
标题翻译：输送装置，固定装置和图像形成装置
公开(公告)号：JP2011203464A
公开(公告)日：2011-10-13
申请号：JP2010070334
申请日：2010-03-25
申请人： Fuji Xerox Co Ltd , 富士ゼロックス株式会社
发明人： SUZUKI YASUO , ICHIKI YUKIHIRO , YAGI MOTOYUKI , ISAHAI SATOSHI
IPC分类号： G03G15/20
CPC分类号： G03G15/2064
摘要： PROBLEM TO BE SOLVED: To reduce a frictional resistance between the cylindrical member 64A of a heating roll 64 and a slide bearing 68.SOLUTION: A restricting member 88, the slide bearing 68 and a portion to be supported 64D are disposed so as to overlap one another in the rotation axis direction of the heating roll 64 when viewed along the radial direction of the heating roll 64. Accordingly, when a lubricating oil impregnated into an impregnated member located at the inner periphery of a pressure belt 66 leaks outside the pressure belt 66 from the side ends of the pressure belt 66, the lubricant oil goes along the restricting member 88 and the side ends of the pressure belt 66 by its gravity and the rotating force (centrifugal force) of the pressure belt 66 etc., and then, moves to the portion to be supported 64D overlapping with the restricting member 88 in the axial direction. Accordingly, the lubricating oil is supplied to a gap between the part to be supported 64D of the cylindrical member 64A and the slide bearing 68. Thus, the frictional resistance between the cylindrical member 64A of the heating roll 64 and the slide bearing 68 is reduced.
摘要翻译：要解决的问题：减少加热辊64的圆柱形构件64A和滑动轴承68之间的摩擦阻力。解决方案：限制构件88，滑动轴承68和待支撑部分64D设置成重叠在加热辊64的径向观察时，沿加热辊64的旋转轴线方向彼此相对。因此，当浸渍在位于压力带66的内周的浸渍部件中的润滑油泄漏到压力带外如图66所示，润滑油由于其重力和压力带66的旋转力（离心力）等沿着限制构件88和压力带66的侧端而进入，然后移动到与限制构件88在轴向上重叠的待支撑部分64D。因此，将润滑油供给到圆筒部件64A的被支撑部64D与滑动轴承68之间的间隙。因此，加热辊64的圆筒部件64A与滑动轴承68之间的摩擦阻力减小。

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