公开(公告)号：US20140193181A1

公开(公告)日：2014-07-10

申请号：US14141894

申请日：2013-12-27

申请人： Sharp Kabushiki Kaisha

发明人： Hirokazu Nakamura ,  Kousuke Namisaki ,  Motoki Ohta

IPC分类号： G03G15/20

CPC分类号： G03G15/2025 ,  G03G15/2032 ,  G03G15/2035 ,  G03G2215/2032

摘要： A fixing device in accordance with the present invention comprises: a rotary member for transporting printing paper; a pressure member for press-contacting the rotary member to apply pressure onto the printing paper; and a cleaning member capable of freely moving into contact with, or away from, a peripheral surface of the rotary member and/or a peripheral surface of the pressure member. A toner image formed on the printing paper is fixed while the printing paper is being held between the rotary member and the pressure member. The fixing device further comprises a contact and separation unit for moving the pressure member into contact with, or away from, the rotary member. The cleaning member moves into contact with, or away from, the peripheral surface of the rotary member and/or the peripheral surface of the pressure member in conjunction with the contact and separation unit moving the pressure member into contact with, or away from, the rotary member.

摘要翻译： 根据本发明的定影装置包括：用于运送打印纸的旋转部件; 压力构件，用于使所述旋转构件受压接触以对所述打印纸施加压力; 以及能够自由移动地与所述旋转构件的周面和/或所述压力构件的周面接触或离开的清洁构件。 在打印纸被保持在旋转构件和压力构件之间时，形成在打印纸上的调色剂图像被固定。 定影装置还包括接触和分离单元，用于使压力构件与旋转构件接触或离开旋转构件。 清洁构件与接触分离单元一起移动与旋转构件和/或压力构件的周面接触或远离压力构件的外周表面，该接触分离单元将压力构件移动接触或远离 旋转构件。

公开(公告)号：US09207592B2

公开(公告)日：2015-12-08

申请号：US14141894

申请日：2013-12-27

申请人： Sharp Kabushiki Kaisha

发明人： Hirokazu Nakamura ,  Kousuke Namisaki ,  Motoki Ohta

IPC分类号： G03G15/20 ,  G03G21/00

CPC分类号： G03G15/2025 ,  G03G15/2032 ,  G03G15/2035 ,  G03G2215/2032

摘要： A fixing device in accordance with the present invention comprises: a rotary member for transporting printing paper; a pressure member for press-contacting the rotary member to apply pressure onto the printing paper; and a cleaning member capable of freely moving into contact with, or away from, a peripheral surface of the rotary member and/or a peripheral surface of the pressure member. A toner image formed on the printing paper is fixed while the printing paper is being held between the rotary member and the pressure member. The fixing device further comprises a contact and separation unit for moving the pressure member into contact with, or away from, the rotary member. The cleaning member moves into contact with, or away from, the peripheral surface of the rotary member and/or the peripheral surface of the pressure member in conjunction with the contact and separation unit moving the pressure member into contact with, or away from, the rotary member.

摘要翻译： 根据本发明的定影装置包括：用于运送打印纸的旋转部件; 压力构件，用于使所述旋转构件受压接触以对所述打印纸施加压力; 以及能够自由移动地与所述旋转构件的周面和/或所述压力构件的周面接触或离开的清洁构件。 在打印纸被保持在旋转构件和压力构件之间时，形成在打印纸上的调色剂图像被固定。 定影装置还包括接触和分离单元，用于使压力构件与旋转构件接触或离开旋转构件。 清洁构件与接触分离单元一起移动与旋转构件和/或压力构件的周面接触或远离压力构件的外周表面，该接触分离单元将压力构件移动接触或远离 旋转构件。

公开(公告)号：US10520863B2

公开(公告)日：2019-12-31

申请号：US16198617

申请日：2018-11-21

申请人： SHARP KABUSHIKI KAISHA

发明人： Kousuke Namisaki ,  Kan Mukai

IPC分类号： G03G15/20

摘要： The cleaning member is disposed to be opposite to the first roller with the second roller being provided therebetween. Compared to a case when the second roller is placed at a first position on a side of the first roller, if the second roller is placed at a second position on a side of the cleaning roller, a pressure between the second roller and the first roller becomes smaller, and a pressure between the second roller and the cleaning member becomes larger.

公开(公告)号：US09983524B2

公开(公告)日：2018-05-29

申请号：US15375429

申请日：2016-12-12

申请人： Sharp Kabushiki Kaisha

发明人： Kousuke Namisaki ,  Masayuki Nakanishi ,  Masatsugu Ohishi

IPC分类号： G03G15/20

CPC分类号： G03G15/2053 ,  G03G15/2042 ,  G03G2215/0132 ,  G03G2215/1623 ,  G03G2215/2029 ,  G03G2215/2032

摘要： A fixing portion is provided with a fixing roller, a heating roller having a heat source, a fixing belt stretched between the fixing roller and the heating roller, and a pressurizing roller that is brought into pressure contact with the fixing roller across the fixing belt and forms a nip portion into which a sheet of paper is conveyed between the fixing belt and the pressurizing roller. The fixing portion is further provided with a pad that has a contact surface portion in contact with the inner peripheral surface of the fixing belt, and a biasing member that biases the pad in a direction in which the contact surface portion is brought into pressure contact with the inner peripheral surface of the fixing belt. The pad is configured so as to pivot about the rotating shaft of the heating roller.

公开(公告)号：US09152100B2

公开(公告)日：2015-10-06

申请号：US14290279

申请日：2014-05-29

申请人： Sharp Kabushiki Kaisha

发明人： Hirokazu Nakamura ,  Kousuke Namisaki ,  Motoki Ohta

IPC分类号： G03G15/20

CPC分类号： G03G15/2025 ,  G03G15/2028 ,  G03G15/657

摘要： An image forming apparatus includes a pre-fixing sheet guide and a toner collection device. The pre-fixing sheet guide is to let a sheet conveyed along it, the sheet with a toner image transferred thereon at a transfer portion to an end part of the sheet. The sheet guide has a width shorter than a maximum printable sheet width. The toner collection device includes an adsorption member (pressure roller) that is disposed in the vicinity of the pre-fixing sheet guide and having a surface exhibiting conductivity, and a potential difference formation mechanism (earth mechanism) configured to form a potential difference between the surface of the adsorption member and the toner.

摘要翻译： 图像形成装置包括预定影片引导件和调色剂收集装置。 预定影片引导件是使沿着其传送的片材，具有在转印部分上转印到其上的调色剂图像的片材到片材的端部。 片材引导件的宽度比最大可打印片材宽度短。 调色剂收集装置包括设置在预定影片引导件附近且具有导电性的表面的吸附部件（加压辊），以及构成为形成电位差的电位差形成机构（接地机构） 吸附构件的表面和调色剂。

公开(公告)号：US09075382B2

公开(公告)日：2015-07-07

申请号：US14301711

申请日：2014-06-11

申请人： Sharp Kabushiki Kaisha

发明人： Hirokazu Nakamura ,  Tatsuya Shinkawa ,  Kousuke Namisaki ,  Motoki Ohta

IPC分类号： G03G15/20 ,  G03G21/00

CPC分类号： G03G21/00 ,  G03G15/2021 ,  G03G15/2025

摘要： An image forming apparatus includes a pre-fusing paper sheet guide, a fuser unit and a control section. The pre-fusing paper sheet guide is disposed adjacent to the fuser unit on its upstream side. The fuser unit includes a pressing roller having, an electrically conductive surface, a grounding structure grounding a pressing roller's surface, and a cleaning mechanism cleaning the pressing roller's surface. The cleaning mechanism includes a web and a take-up roller. The control section sets a winding quantity x of the web to 0.7 mm when a setting for printing without margin is not made, and sets the winding quantity x to 2.1 mm when the setting for printing without margin is made. If the number of sheets accumulated through the image forming process becomes not less than 18, the control section causes the take-up roller to wind the web by the winding quantity x, and performs an image forming process.

摘要翻译： 图像形成装置包括预定影片纸引导件，定影单元和控制部。 预定影片纸引导件在其上游侧邻近定影单元设置。 定影单元包括具有导电表面的加压辊，将加压辊表面接地的接地结构和清洁加压辊表面的清洁机构。 清洁机构包括腹板和卷取辊。 当不进行没有边缘的打印设定时，控制部将卷材的卷绕量x设定为0.7mm，并且当进行无边距的打印设定时，将卷绕量x设定为2.1mm。 如果通过图像形成处理积累的片材的数量不小于18，则控制部分使卷取辊以卷绕量x卷绕卷材，并进行图像形成处理。