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1. 发明授权

US08831493B2 Image heating apparatus 有权
标题翻译：图像加热装置
公开(公告)号：US08831493B2
公开(公告)日：2014-09-09
申请号：US13325542
申请日：2011-12-14
申请人： Masashi Tanaka , Kenichi Ogawa , Satoshi Nishida , Kohei Okayasu , Shuichi Tetsuno , Shogo Kan , Takaaki Akamatsu
发明人： Masashi Tanaka , Kenichi Ogawa , Satoshi Nishida , Kohei Okayasu , Shuichi Tetsuno , Shogo Kan , Takaaki Akamatsu
IPC分类号： G03G15/20
CPC分类号： G03G15/2075 , G03G15/2025 , G03G2215/2019
摘要： An image heating apparatus for heating a toner image formed on a recording material includes a first rotatable member contactable to the toner image; and a heating unit, including a second rotatable member rotating while contacting a surface of the first rotatable member, for heating the first rotatable member. The toner image on the recording material is heated by receiving heat from the first rotatable member heated by the heating unit. The image heating apparatus further includes a potential controller for maintaining a polarity of a surface potential of the second rotatable member so as to be opposite to a charge polarity of the toner.
摘要翻译：用于加热形成在记录材料上的调色剂图像的图像加热装置包括可与调色剂图像接触的第一可旋转构件; 以及加热单元，包括在与第一可旋转构件的表面接触的同时旋转的第二可旋转构件，用于加热第一可旋转构件。通过从由加热单元加热的第一可旋转构件接收热量来加热记录材料上的调色剂图像。图像加热装置还包括电位控制器，用于将第二可旋转部件的表面电位的极性保持为与调色剂的电荷极性相反。

2. 发明申请

US20120155938A1 IMAGE HEATING APPARATUS 有权
标题翻译：图像加热装置
公开(公告)号：US20120155938A1
公开(公告)日：2012-06-21
申请号：US13325542
申请日：2011-12-14
申请人： MASASHI TANAKA , Kenichi Ogawa , Satoshi Nishida , Kohei Okayasu , Shuichi Tetsuno , Shogo Kan , Takaaki Akamatsu
发明人： MASASHI TANAKA , Kenichi Ogawa , Satoshi Nishida , Kohei Okayasu , Shuichi Tetsuno , Shogo Kan , Takaaki Akamatsu
IPC分类号： G03G15/20
CPC分类号： G03G15/2075 , G03G15/2025 , G03G2215/2019
摘要： An image heating apparatus for heating a toner image formed on a recording material includes a first rotatable member contactable to the toner image; and a heating unit, including a second rotatable member rotating while contacting a surface of the first rotatable member, for heating the first rotatable member. The toner image on the recording material is heated by receiving heat from the first rotatable member heated by the heating unit. The image heating apparatus further includes a potential controller for maintaining a polarity of a surface potential of the second rotatable member so as to be opposite to a charge polarity of the toner.
摘要翻译：用于加热形成在记录材料上的调色剂图像的图像加热装置包括可与调色剂图像接触的第一可旋转构件; 以及加热单元，包括在与第一可旋转构件的表面接触的同时旋转的第二可旋转构件，用于加热第一可旋转构件。通过从由加热单元加热的第一可旋转构件接收热量来加热记录材料上的调色剂图像。图像加热装置还包括电位控制器，用于将第二可旋转部件的表面电位的极性保持为与调色剂的电荷极性相反。

3. 发明申请

US20110268481A1 IMAGE FORMING APPARATUS 有权
标题翻译：图像形成装置
公开(公告)号：US20110268481A1
公开(公告)日：2011-11-03
申请号：US13094028
申请日：2011-04-26
申请人： Shuichi Tetsuno , Kenichi Ogawa , Masashi Tanaka , Takaaki Akamatsu , Shogo Kan
发明人： Shuichi Tetsuno , Kenichi Ogawa , Masashi Tanaka , Takaaki Akamatsu , Shogo Kan
IPC分类号： G03G15/20
CPC分类号： G03G15/2025 , G03G2215/00531 , G03G2215/2035
摘要： An image forming apparatus is capable of setting a cleaning mode in which a fixing portion is cleaned by a cleaning sheet while nip-conveying the cleaning sheet in a fixing nip. When the cleaning mode is set, an image forming apparatus provides a period in which a first rotatable member and a second rotatable member are rotated in a state in which a heater is controlled so that a surface temperature Th of the first rotatable member immediately after passing through the fixing nip is kept within a temperature range of Th≦Tf3, wherein Tf3 is a flow start point of a toner and so that a surface temperature Tp of the second rotatable member immediately after passing through the fixing nip is within a temperature range Tf2≦Tp≦Tf3, wherein Tf2 is a deformation end point of the toner.
摘要翻译：图像形成装置能够设置清洁模式，其中定影部分被清洁片清洁，同时在定影辊隙中夹持输送清洁片。当设置清洁模式时，图像形成装置提供在加热器被控制的状态下使第一可旋转构件和第二可旋转构件旋转的时段，使得刚刚通过后的第一可旋转构件的表面温度Th 通过定影压区保持在Th1n1E的温度范围内; Tf3，其中Tf3是调色剂的流动起始点，并且使得刚刚通过定影辊隙的第二可旋转构件的表面温度Tp在Tf2＆lt; Tp＆nlE; Tf3，其中Tf2是调色剂的变形终点。

4. 发明授权

US08472853B2 Image forming apparatus 有权
标题翻译：图像形成装置
公开(公告)号：US08472853B2
公开(公告)日：2013-06-25
申请号：US13094057
申请日：2011-04-26
申请人： Takaaki Akamatsu , Shuichi Tetsuno , Masashi Tanaka , Shogo Kan , Kenichi Ogawa
发明人： Takaaki Akamatsu , Shuichi Tetsuno , Masashi Tanaka , Shogo Kan , Kenichi Ogawa
IPC分类号： G03G15/20
CPC分类号： G03G15/2025 , G03G2215/00531 , G03G2215/2035
摘要： An image forming apparatus includes an image forming portion for forming an unfixed toner image on a recording material; and a fixing portion for heat-fixing the unfixed toner image on the recording material while nip-conveying the recording material in a fixing nip, the fixing portion includes a first rotatable member contactable to the unfixed toner image, and a second rotatable member contacted to the first rotatable member to form the fixing nip between itself and the first rotatable member. The image forming apparatus is capable of setting a cleaning mode in which the fixing portion is cleaned by a cleaning sheet while nip-conveying the cleaning sheet in the fixing nip. When the cleaning mode is set, the image forming apparatus executes a plurality of types of cleaning operations in a period in which a single cleaning sheet passes through the fixing nip.
摘要翻译：图像形成装置包括用于在记录材料上形成未定影调色剂图像的图像形成部分; 以及固定部分，用于在定影辊隙中夹持记录材料的同时将未定影的调色剂图像热定影在记录材料上，所述固定部分包括可接触未定影调色剂图像的第一可旋转构件和与第二可旋转构件接触的第二可旋转构件第一可旋转构件以在其自身和第一可旋转构件之间形成定影夹持部。图像形成装置能够设置清洁模式，其中在定影辊隙中夹持输送清洁片时，清洁片被清洁。当设置清洁模式时，图像形成装置在单个清洁片通过定影辊隙的时间段内执行多种类型的清洁操作。

5. 发明申请

US20110268482A1 IMAGE FORMING APPARATUS 有权
标题翻译：图像形成装置
公开(公告)号：US20110268482A1
公开(公告)日：2011-11-03
申请号：US13094057
申请日：2011-04-26
申请人： Takaaki Akamatsu , Shuichi Tetsuno , Masashi Tanaka , Shogo Kan , Kenichi Ogawa
发明人： Takaaki Akamatsu , Shuichi Tetsuno , Masashi Tanaka , Shogo Kan , Kenichi Ogawa
IPC分类号： G03G15/20
CPC分类号： G03G15/2025 , G03G2215/00531 , G03G2215/2035
摘要： An image forming apparatus includes an image forming portion for forming an unfixed toner image on a recording material; and a fixing portion for heat-fixing the unfixed toner image on the recording material while nip-conveying the recording material in a fixing nip, the fixing portion includes a first rotatable member contactable to the unfixed toner image, and a second rotatable member contacted to the first rotatable member to form the fixing nip between itself and the first rotatable member. The image forming apparatus is capable of setting a cleaning mode in which the fixing portion is cleaned by a cleaning sheet while nip-conveying the cleaning sheet in the fixing nip. When the cleaning mode is set, the image forming apparatus executes a plurality of types of cleaning operations in a period in which a single cleaning sheet passes through the fixing nip.
摘要翻译：图像形成装置包括用于在记录材料上形成未定影调色剂图像的图像形成部分; 以及固定部分，用于在定影辊隙中夹持记录材料的同时将未定影的调色剂图像热定影在记录材料上，所述固定部分包括可接触未定影调色剂图像的第一可旋转构件和与第二可旋转构件接触的第二可旋转构件第一可旋转构件以在其自身和第一可旋转构件之间形成定影夹持部。图像形成装置能够设置清洁模式，其中在定影辊隙中夹持输送清洁片时，清洁片被清洁。当设置清洁模式时，图像形成装置在单个清洁片通过定影辊隙的时间段内执行多种类型的清洁操作。

6. 发明授权

US08532551B2 Image forming apparatus 有权
标题翻译：图像形成装置
公开(公告)号：US08532551B2
公开(公告)日：2013-09-10
申请号：US13094028
申请日：2011-04-26
申请人： Shuichi Tetsuno , Kenichi Ogawa , Masashi Tanaka , Takaaki Akamatsu , Shogo Kan
发明人： Shuichi Tetsuno , Kenichi Ogawa , Masashi Tanaka , Takaaki Akamatsu , Shogo Kan
IPC分类号： G03G15/20
CPC分类号： G03G15/2025 , G03G2215/00531 , G03G2215/2035
摘要： An image forming apparatus is capable of setting a cleaning mode in which a fixing portion is cleaned by a cleaning sheet while nip-conveying the cleaning sheet in a fixing nip. When the cleaning mode is set, an image forming apparatus provides a period in which a first rotatable member and a second rotatable member are rotated in a state in which a heater is controlled so that a surface temperature Th of the first rotatable member immediately after passing through the fixing nip is kept within a temperature range of Th≦Tf3, wherein Tf3 is a flow start point of a toner and so that a surface temperature Tp of the second rotatable member immediately after passing through the fixing nip is within a temperature range Tf2≦Tp≦Tf3, wherein Tf2 is a deformation end point of the toner.
摘要翻译：图像形成装置能够设置清洁模式，其中定影部分被清洁片清洁，同时在定影辊隙中夹持输送清洁片。当设置清洁模式时，图像形成装置提供在加热器被控制的状态下使第一可旋转构件和第二可旋转构件旋转的时段，使得刚刚通过后的第一可旋转构件的表面温度Th 通过定影压区保持在Th @ Tf3的温度范围内，其中Tf3是调色剂的流动起始点，并且使得刚刚通过定影辊隙的第二可旋转构件的表面温度Tp在Tf2的温度范围内 @ Tp @ Tf3，其中Tf2是调色剂的变形终点。

7. 发明申请

US20110236084A1 FIXING DEVICE 有权
标题翻译：固定装置
公开(公告)号：US20110236084A1
公开(公告)日：2011-09-29
申请号：US13053572
申请日：2011-03-22
申请人： Satoshi Nishida , Kenichi Ogawa , Masashi Tanaka , Shuichi Tetsuno , Shogo Kan
发明人： Satoshi Nishida , Kenichi Ogawa , Masashi Tanaka , Shuichi Tetsuno , Shogo Kan
IPC分类号： G03G15/20
CPC分类号： G03G15/2064 , G03G21/1638 , G03G2215/00413 , G03G2215/2019 , G03G2221/1675
摘要： A fixing device for fixing on a recording material a toner image formed on the recording material includes a fixing roller; a heating member for heating the fixing roller in contact with a surface of the fixing roller; and a pressing member for forming a fixing nip between itself and the fixing roller, wherein the recording material on which the toner image is formed is subjected to fixing by being nipped and conveyed in the fixing nip. When the recording material which has been jammed is removed by pulling a trailing end of the recording material in a winding jam state in which a leading end of the recording material has passed through the fixing nip to reach a contact portion between the heating member and the fixing roller, a drawing force F1 for drawing the recording material, toward an upstream side with respect to a rotational direction of the fixing roller, nipped in the fixing nip between the fixing roller in rest state and the pressing member and a drawing force F2 for drawing the recording material, toward the upstream side with respect to the rotational direction of the fixing roller, nipped between the fixing roller in the rest state and the heating member are set so that the drawing force F2 is not more than the drawing force F1 so as to prevent the fixing roller from being tightened by the recording material.
摘要翻译：用于在记录材料上固定形成在记录材料上的调色剂图像的定影装置包括定影辊; 加热构件，用于加热与定影辊的表面接触的定影辊; 以及用于在其与定影辊之间形成定影辊隙的按压构件，其中通过在定影辊隙中夹持和输送其上形成调色剂图像的记录材料进行定影。当通过在记录材料的前端已经通过定影辊隙的牵引阻塞状态下拉动记录材料的尾端来移除已经卡住的记录材料，以到达加热构件和定影辊，用于拉伸记录材料的拉拔力F1朝向相对于定影辊的旋转方向的上游侧夹持在夹持在静止状态的定影辊和按压构件之间的定影辊隙中，并且夹紧力F2用于将记录材料相对于定影辊的转动方向的上游侧拉动，夹持在处于静止状态的定影辊与加热部件之间，使得拉拔力F2不大于拉拔力F1 以防止定影辊被记录材料紧固。

8. 发明授权

US08532530B2 Fixing device for fixing on a recording material a toner image formed on the recording material including a fixing roller and heating and pressing members 有权
标题翻译：固定装置，用于固定在记录材料上，形成在包括定影辊和加热和加压构件的记录材料上的调色剂图像
公开(公告)号：US08532530B2
公开(公告)日：2013-09-10
申请号：US13053572
申请日：2011-03-22
申请人： Satoshi Nishida , Kenichi Ogawa , Masashi Tanaka , Shuichi Tetsuno , Shogo Kan
发明人： Satoshi Nishida , Kenichi Ogawa , Masashi Tanaka , Shuichi Tetsuno , Shogo Kan
IPC分类号： G03G21/00
CPC分类号： G03G15/2064 , G03G21/1638 , G03G2215/00413 , G03G2215/2019 , G03G2221/1675
摘要： A fixing device fixes on a recording material a toner image formed on the recording material and includes a fixing roller, a heating member for heating the fixing roller in contact with an outer surface of the fixing roller, and a pressing member for forming a fixing nip between itself and the fixing roller. When the recording material which has been jammed so that its leading end passes through the fixing nip to reach a contact portion between the heating member and the fixing roller, a force for drawing the recording material upstream when nipped in the fixing nip is at least equal to the drawing force of the recording material, toward the upstream side with respect to the rotational direction of the fixing roller, nipped between the fixing roller in the rest state and the heating member.
摘要翻译：定影装置将记录材料固定在记录材料上形成的调色剂图像，并且包括定影辊，用于加热与定影辊的外表面接触的定影辊的加热构件和用于形成定影辊隙的加压构件在它们和定影辊之间。当被卡住的记录材料使其前端通过定影辊隙以到达加热构件和定影辊之间的接触部分时，当夹在定影辊隙中时将记录材料拉伸到上游的力至少相等与记录材料的拉力相对于定影辊的旋转方向的上游侧被夹持在处于静止状态的定影辊和加热构件之间。

9. 发明授权

US07650105B2 Image heating apparatus 失效
标题翻译：图像加热装置
公开(公告)号：US07650105B2
公开(公告)日：2010-01-19
申请号：US11781479
申请日：2007-07-23
申请人： Kenichi Ogawa , Akira Kato , Satoshi Nishida , Masashi Tanaka , Atsuyoshi Abe , Koji Uchiyama , Daisuke Aoki
发明人： Kenichi Ogawa , Akira Kato , Satoshi Nishida , Masashi Tanaka , Atsuyoshi Abe , Koji Uchiyama , Daisuke Aoki
IPC分类号： G03G15/20
CPC分类号： G03G15/2014
摘要： An image heating apparatus for heating a toner image formed on a recording material is constituted by a roller contactable with a toner image carrying surface of the recording material; a heating member for heating the roller, the heating member contacting a surface of the roller, wherein the toner image formed on the recording material is heated in contact with the roller; and a driving mechanism for moving the heating member to a first position contacting the roller and a second position, contacting the roller different from the first position with respect to a tangential direction of the roller.
摘要翻译：用于加热形成在记录材料上的调色剂图像的图像加热装置由与记录材料的调色剂图像承载表面接触的辊构成; 用于加热辊的加热构件，加热构件与辊的表面接触，其中形成在记录材料上的调色剂图像与辊接触地被加热; 以及用于将加热构件移动到与滚子接触的第一位置和第二位置的驱动机构，使得与第一位置不同的辊相对于滚子的切线方向接触。

10. 发明申请

US20100135706A1 IMAGE HEATING APPARATUS 有权
标题翻译：图像加热装置
公开(公告)号：US20100135706A1
公开(公告)日：2010-06-03
申请号：US12625784
申请日：2009-11-25
申请人： Tsutomu Miki , Kazuhisa Kemmochi , Kenichi Ogawa , Satoshi Nishida , Masashi Tanaka
发明人： Tsutomu Miki , Kazuhisa Kemmochi , Kenichi Ogawa , Satoshi Nishida , Masashi Tanaka
IPC分类号： G03G15/20
CPC分类号： G03G15/2039 , G03G2215/2032
摘要： An image heating apparatus includes a rotatable member; a heater contactable to a surface of the rotatable member to heat the rotatable member; and a back-up member cooperative with the rotatable member to form a nip for nipping and feeding a recording material carrying an image, wherein a position of a peak in a pressure distribution with respect to a rotational direction of the rotatable member is in an upstream, with respect to the rotational direction, of a central portion of a contact region between the rotatable member and the heater with respect to the rotational direction.
摘要翻译：图像加热装置包括可旋转构件; 可加热到所述可旋转构件的表面以加热所述可旋转构件的加热器; 以及支承构件，其与所述可旋转构件协作以形成用于夹持和馈送携带图像的记录材料的辊隙，其中相对于所述可旋转构件的旋转方向的压力分布中的峰的位置处于上游相对于旋转方向相对于旋转构件和加热器之间的接触区域的中心部分相对于旋转方向。

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