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11. 发明授权

US08971744B2 Image heating apparatus 有权
标题翻译：图像加热装置
公开(公告)号：US08971744B2
公开(公告)日：2015-03-03
申请号：US13547536
申请日：2012-07-12
申请人： Koji Nihonyanagi , Kuniaki Kasuga , Yutaka Sato , Takashi Narahara
发明人： Koji Nihonyanagi , Kuniaki Kasuga , Yutaka Sato , Takashi Narahara
IPC分类号： G03G15/20 , H05B1/02 , H05B6/10
CPC分类号： H05B1/0241 , G03G15/2046 , G03G15/2053 , G03G15/2064 , H05B6/107
摘要： The image heating apparatus includes an unit for spacing each of a buck-up member and a pressure roller apart from a flexible belt member which is electrified to generate heat, or heated by a source of heat at start-up, i.e. in a previous stage to heating an image, or an unit for controlling a pressure to decrease a contact area in the direction of the axis of rotation compared with the contact area for a period to heat an image. This can control, as much as possible, heat conduction from the flexible belt which is electrified to generate heat, or heated by the source of heat to the back-up member and the pressure roller at the start-up, i.e. the previous stage to heating an image.
摘要翻译：图像加热装置包括用于将升降构件和加压辊中的每一个与柔性带构件隔开的单元，该柔性带构件带电以产生热量，或者在启动时，即在先前阶段由加热源加热加热图像，或用于控制压力的单元，以减少与接触面积相对于旋转轴线方向的接触面积一段时间以加热图像。这可以尽可能地控制来自带电的柔性带的热传导，以产生热量，或者在启动时将热源加热到备用构件和压力辊，即前一阶段加热图像。

12. 发明授权

US08606157B2 Image forming apparatus operable in a mode for cleaning a fixing portion 有权
标题翻译：图像形成装置可以以清洁固定部分的方式操作
公开(公告)号：US08606157B2
公开(公告)日：2013-12-10
申请号：US13079305
申请日：2011-04-04
申请人： Mahito Yoshioka , Daizo Fukuzawa , Noriaki Sato , Tooru Imaizumi , Munehito Kurata , Kuniaki Kasuga
发明人： Mahito Yoshioka , Daizo Fukuzawa , Noriaki Sato , Tooru Imaizumi , Munehito Kurata , Kuniaki Kasuga
IPC分类号： G03G15/20
CPC分类号： G03G15/6573 , G03G15/2025 , G03G2215/00413 , G03G2215/00531
摘要： The image forming apparatus includes an image forming portion forming a toner image on a recording material, and a fixing portion heating and fixing the toner image formed on the recording material to the recording material, wherein the apparatus has a cleaning mode in which the fixing portion is cleaned, and when the cleaning mode is set, the image forming portion forms a predetermined toner image on the recording material, and the fixing portion then heats and fixes the predetermined toner image to the recording material to form a cleaning sheet which is heated and conveyed to clean the fixing portion. By the virtue of the present invention, it achieves high cleaning performance in which the fixing portion is cleaned by the cleaning sheet.
摘要翻译：图像形成装置包括在记录材料上形成调色剂图像的图像形成部分和将形成在记录材料上的调色剂图像加热和定影到记录材料的定影部分，其中该装置具有清洁模式，其中固定部分并且当清洁模式被设置时，图像形成部分在记录材料上形成预定的调色剂图像，然后固定部分将预定的调色剂图像加热并固定到记录材料上以形成被加热的清洁片材，被输送以清洁固定部分。通过本发明，通过清洁片清洁固定部分，实现了高清洁性能。

13. 发明申请

US20130028622A1 Image Heating Apparatus 有权
标题翻译：图像加热装置
公开(公告)号：US20130028622A1
公开(公告)日：2013-01-31
申请号：US13547536
申请日：2012-07-12
申请人： Koji Nihonyanagi , Kuniaki Kasuga , Yutaka Sato , Takashi Narahara
发明人： Koji Nihonyanagi , Kuniaki Kasuga , Yutaka Sato , Takashi Narahara
IPC分类号： G03G15/20
CPC分类号： H05B1/0241 , G03G15/2046 , G03G15/2053 , G03G15/2064 , H05B6/107
摘要： The image heating apparatus includes an unit for spacing each of a buck-up member and a pressure roller apart from a flexible belt member which is electrified to generate heat, or heated by a source of heat at start-up, i.e. in a previous stage to heating an image, or an unit for controlling a pressure to decrease a contact area in the direction of the axis of rotation compared with the contact area for a period to heat an image. This can control, as much as possible, heat conduction from the flexible belt which is electrified to generate heat, or heated by the source of heat to the back-up member and the pressure roller at the start-up, i.e. the previous stage to heating an image.
摘要翻译：图像加热装置包括用于将升降构件和加压辊中的每一个与柔性带构件隔开的单元，该柔性带构件带电以产生热量，或者在启动时，即在先前阶段由加热源加热加热图像，或用于控制压力的单元，以减少与接触面积相对于旋转轴线方向的接触面积一段时间以加热图像。这可以尽可能地控制来自带电的柔性带的热传导，以产生热量，或者在启动时将热源加热到备用构件和压力辊，即前一阶段加热图像。

14. 发明申请

US20130011157A1 HEAT FIXING DEVICE 有权
标题翻译：热固定装置
公开(公告)号：US20130011157A1
公开(公告)日：2013-01-10
申请号：US13540382
申请日：2012-07-02
申请人： Toshiya Kaino , Satoru Izawa , Koji Nihonyanagi , Kuniaki Kasuga , Taisuke Minagawa , Hayato Negishi , Jun Asami
发明人： Toshiya Kaino , Satoru Izawa , Koji Nihonyanagi , Kuniaki Kasuga , Taisuke Minagawa , Hayato Negishi , Jun Asami
IPC分类号： G03G21/20
CPC分类号： G03G15/206 , G03G15/2017
摘要： A heat fixing device includes a rotatable member for heating, a pressing roller configured to form a fixing nip portion that nips and conveys a recording material bearing a toner image, and a cooling fan configured to cool a recording material non-passing region in the rotatable member for heating in a direction orthogonal to a recording material conveying direction, wherein the pressing roller includes a rubber layer, between a cored bar and a release layer, containing a needle-shaped heat conductive filler oriented in a roller axis direction.
摘要翻译：一种热定影装置，包括用于加热的可旋转构件，压辊，其构造成形成定影夹持部，其夹持并输送承载有调色剂图像的记录材料;以及冷却风扇，其构造成冷却可转动的记录材料不通过区域用于在与记录材料输送方向正交的方向上加热的构件，其中所述加压辊包括橡胶层，所述橡胶层在芯棒和剥离层之间，包含沿辊轴线方向取向的针状导热填料。

15. 发明申请

US20120308253A1 FIXING APPARATUS 有权
标题翻译：固定装置
公开(公告)号：US20120308253A1
公开(公告)日：2012-12-06
申请号：US13484850
申请日：2012-05-31
申请人： Munehito Kurata , Daizo Fukuzawa , Noriaki Sato , Kuniaki Kasuga , Tomonori Sato , Mahito Yoshioka
发明人： Munehito Kurata , Daizo Fukuzawa , Noriaki Sato , Kuniaki Kasuga , Tomonori Sato , Mahito Yoshioka
IPC分类号： G03G15/20
CPC分类号： G03G15/2042
摘要： A fixing apparatus includes: two rotatable members, for forming a nip, including a region where an outer diameter is increased from a longitudinal central portion toward a longitudinal end portion; a heater; and a controller for controlling a heat generation distribution of the heater. The controller is capable of controlling the heater so that the heat generation distribution of the heater is such that a heat generation amount at the longitudinal end portion is larger than that at the longitudinal central portion in a period from start of the heater until the recording material reaches the nip. A ratio of the heat generation amount at the longitudinal end portion to that at the longitudinal central portion is larger when a cumulative amount of use of the fixing apparatus is larger than a predetermined amount than when the cumulative amount of use is smaller than the predetermined amount.
摘要翻译：定影装置包括：用于形成辊隙的两个可旋转构件，包括外径从纵向中心部分朝向纵向端部部分增加的区域; 加热器以及用于控制加热器的发热分布的控制器。控制器能够控制加热器，使得加热器的发热分布使得在从加热器开始到记录材料的时间段期间，纵向端部处的发热量大于纵向中心部分处的发热量到达nip 当累积使用量小于预定量时，当定影装置的累积使用量大于预定量时，纵向端部处的发热量与纵向中心部分处的发热量的比率较大。

16. 发明授权

US08326169B2 Image forming apparatus 有权
标题翻译：图像形成装置
公开(公告)号：US08326169B2
公开(公告)日：2012-12-04
申请号：US13215283
申请日：2011-08-23
申请人： Munehito Kurata , Daizo Fukuzawa , Mahito Yoshioka , Noriaki Sato , Tooru Imaizumi , Kuniaki Kasuga
发明人： Munehito Kurata , Daizo Fukuzawa , Mahito Yoshioka , Noriaki Sato , Tooru Imaizumi , Kuniaki Kasuga
IPC分类号： G03G15/20
CPC分类号： G03G15/2042 , G03G2215/00413 , G03G2215/00772
摘要： The image forming apparatus, in the case where image forming is performed on a recording medium whose size covers a position of a second temperature detection element perpendicularly disposed to the recording medium conveyance direction, when the detected temperature rises to a predetermined temperature during execution of the first power supply control, a first power supply control is switched to a second power supply control. In the case where image forming is performed on a recording medium whose size does not cover a position of the second temperature detection element, when the detected temperature rises to a predetermined temperature during execution of the first power supply control, a conveyance control portion executes a control for extending the conveyance interval of the recording medium. Thus, an unduly large temperature rise in the non-sheet passing portion is prevented, and a good quality image can be provided without glossy unevenness in one sheet.
摘要翻译：在检测到的温度在执行期间检测到的温度上升到预定温度的情况下，在其尺寸覆盖垂直于记录介质输送方向的第二温度检测元件的位置的记录介质上进行图像形成的情况下，第一电源控制，第一电源控制切换到第二电源控制。在尺寸不覆盖第二温度检测元件的位置的记录介质上进行图像形成的情况下，当在第一电源控制执行期间检测到的温度上升到预定温度时，输送控制部分执行用于延长记录介质的输送间隔的控制。因此，防止非片材通过部分的过大的温度上升，并且可以在一张片材中没有光泽不均匀的情况下提供高质量的图像。

17. 发明申请

US20110305475A1 IMAGE FORMING APPARATUS 有权
标题翻译：图像形成装置
公开(公告)号：US20110305475A1
公开(公告)日：2011-12-15
申请号：US13215283
申请日：2011-08-23
申请人： Munehito Kurata , Daizo Fukuzawa , Mahito Yoshioka , Noriaki Sato , Tooru Imaizumi , Kuniaki Kasuga
发明人： Munehito Kurata , Daizo Fukuzawa , Mahito Yoshioka , Noriaki Sato , Tooru Imaizumi , Kuniaki Kasuga
IPC分类号： G03G15/20
CPC分类号： G03G15/2042 , G03G2215/00413 , G03G2215/00772
摘要： The image forming apparatus, in the case where image forming is performed on a recording medium whose size covers a position of a second temperature detection element perpendicularly disposed to the recording medium conveyance direction, when the detected temperature rises to a predetermined temperature during execution of the first power supply control, a first power supply control is switched to a second power supply control. In the case where image forming is performed on a recording medium whose size does not cover a position of the second temperature detection element, when the detected temperature rises to a predetermined temperature during execution of the first power supply control, a conveyance control portion executes a control for extending the conveyance interval of the recording medium. Thus, an unduly large temperature rise in the non-sheet passing portion is prevented, and a good quality image can be provided without glossy unevenness in one sheet.
摘要翻译：在检测到的温度在执行期间检测到的温度上升到预定温度的情况下，在其尺寸覆盖垂直于记录介质输送方向的第二温度检测元件的位置的记录介质上进行图像形成的情况下，第一电源控制，第一电源控制切换到第二电源控制。在尺寸不覆盖第二温度检测元件的位置的记录介质上进行图像形成的情况下，当在第一电源控制执行期间检测到的温度上升到预定温度时，输送控制部分执行用于延长记录介质的输送间隔的控制。因此，防止非片材通过部分的过大的温度上升，并且可以在一张片材中没有光泽不均匀的情况下提供高质量的图像。

18. 发明申请

US20090257793A1 IMAGE FORMING APPARATUS 有权
标题翻译：图像形成装置
公开(公告)号：US20090257793A1
公开(公告)日：2009-10-15
申请号：US12418196
申请日：2009-04-03
申请人： Mahito Yoshioka , Daizo Fukuzawa , Noriaki Sato , Tooru Imaizumi , Munehito Kurata , Kuniaki Kasuga
发明人： Mahito Yoshioka , Daizo Fukuzawa , Noriaki Sato , Tooru Imaizumi , Munehito Kurata , Kuniaki Kasuga
IPC分类号： G03G15/20 , G03G13/20
CPC分类号： G03G15/6573 , G03G15/2025 , G03G2215/00413 , G03G2215/00531
摘要： The image forming apparatus includes an image forming portion forming a toner image on a recording material, and a fixing portion heating and fixing the toner image formed on the recording material to the recording material, wherein the apparatus has a cleaning mode in which the fixing portion is cleaned, and when the cleaning mode is set, the image forming portion forms a predetermined toner image on the recording material, and the fixing portion then heats and fixes the predetermined toner image to the recording material to form a cleaning sheet which is heated and conveyed to clean the fixing portion. By the virtue of the present invention, it achieves high cleaning performance in which the fixing portion is cleaned by the cleaning sheet.
摘要翻译：图像形成装置包括在记录材料上形成调色剂图像的图像形成部分和将形成在记录材料上的调色剂图像加热和定影到记录材料的定影部分，其中该装置具有清洁模式，其中固定部分并且当清洁模式被设置时，图像形成部分在记录材料上形成预定的调色剂图像，然后固定部分将预定的调色剂图像加热并固定到记录材料上以形成被加热的清洁片材，被输送以清洁固定部分。通过本发明，通过清洁片清洁固定部分，实现了高清洁性能。

19. 发明授权

US08918001B2 Fixing apparatus 有权
标题翻译：固定装置
公开(公告)号：US08918001B2
公开(公告)日：2014-12-23
申请号：US13484850
申请日：2012-05-31
申请人： Munehito Kurata , Daizo Fukuzawa , Noriaki Sato , Kuniaki Kasuga , Tomonori Sato , Mahito Yoshioka
发明人： Munehito Kurata , Daizo Fukuzawa , Noriaki Sato , Kuniaki Kasuga , Tomonori Sato , Mahito Yoshioka
IPC分类号： G03G15/20
CPC分类号： G03G15/2042
摘要： A fixing apparatus includes: two rotatable members, for forming a nip, including a region where an outer diameter is increased from a longitudinal central portion toward a longitudinal end portion; a heater; and a controller for controlling a heat generation distribution of the heater. The controller is capable of controlling the heater so that the heat generation distribution of the heater is such that a heat generation amount at the longitudinal end portion is larger than that at the longitudinal central portion in a period from start of the heater until the recording material reaches the nip. A ratio of the heat generation amount at the longitudinal end portion to that at the longitudinal central portion is larger when a cumulative amount of use of the fixing apparatus is larger than a predetermined amount than when the cumulative amount of use is smaller than the predetermined amount.
摘要翻译：定影装置包括：用于形成辊隙的两个可旋转构件，包括外径从纵向中心部分朝向纵向端部部分增加的区域; 加热器以及用于控制加热器的发热分布的控制器。控制器能够控制加热器，使得加热器的发热分布使得在从加热器开始到记录材料的时间段期间，纵向端部处的发热量大于纵向中心部分处的发热量到达nip 当累积使用量小于预定量时，当定影装置的累积使用量大于预定量时，纵向端部处的发热量与纵向中心部分处的发热量的比率较大。

20. 发明授权

US08626051B2 Image forming apparatus with conveying portions having a loop detector with contact portion for contacting the sheet 有权
标题翻译：具有输送部分的图像形成装置具有环形检测器，其具有接触片的接触部分
公开(公告)号：US08626051B2
公开(公告)日：2014-01-07
申请号：US12958771
申请日：2010-12-02
申请人： Kuniaki Kasuga , Daizo Fukuzawa , Noriaki Sato , Mahito Yoshioka , Munehito Kurata , Tooru Imaizumi
发明人： Kuniaki Kasuga , Daizo Fukuzawa , Noriaki Sato , Mahito Yoshioka , Munehito Kurata , Tooru Imaizumi
IPC分类号： G03G15/00 , B65H5/34
CPC分类号： G03G15/6573 , B65H5/062 , B65H7/02 , B65H2511/112 , B65H2553/612 , B65H2553/83 , B65H2801/06 , B65H2220/01
摘要： The present invention provides an image forming apparatus including an upstream conveying portion, a downstream conveying portion, and a loop detector, wherein the image forming apparatus further includes a driving portion which moves the contact portion to a projecting position where the sheet conveying path is in contact with a conveyed sheet and to a retracted position where the sheet conveying path is not in contact with the conveyed sheet, and a controlling portion which controls the driving portion such that the contact portion is moved from the projecting position to the retracted position before a tip end of a sheet which enters the sheet conveying path from the upstream conveying portion reaches the contact portion.
摘要翻译：本发明提供了一种图像形成装置，包括上游输送部分，下游输送部分和环路检测器，其中图像形成装置还包括驱动部分，该驱动部分将接触部分移动到片材输送路径处于其中的突出位置与传送的纸张接触并且到纸张传送路径不与被传送的纸张接触的缩回位置;以及控制部分，其控制驱动部分，使得接触部分在前一个位置之前从突出位置移动到缩回位置从上游输送部进入片材输送路径的片材的前端到达接触部。

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