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    • 3. 发明授权
    • Fixing device with cleaning section for image forming apparatus
    • 具有用于成像装置的清洁部分的固定装置
    • US08233831B2
    • 2012-07-31
    • US12481777
    • 2009-06-10
    • Atsuyoshi NakayamaToshiaki Kagawa
    • Atsuyoshi NakayamaToshiaki Kagawa
    • G03G15/20
    • G03G15/2025G03G2215/0129G03G2215/2019G03G2221/0089
    • In a fixing device including a fixing roller, a pressure roller and an external heating section, a scraper is arranged to contact a circumferential surface of an external heating belt and scrape toner and the like on the circumferential surface to thereby clean the circumferential surface. In addition, a material that has higher adherence to toner than on a circumferential surface of the fixing roller is used for the external hating belt to thereby peel the toner and the like on the circumferential surface of the fixing roller and clean the circumferential surface of the fixing roller. Further, as a vibration applying section adapted to apply vibration to the scraper, a first contact/separation section adapted to contact/separate the external heating section with/from the fixing roller is provided. Vibration is applied to the scraper by the first contact/separation to peel the toner and the like off the scraper.
    • 在包括定影辊,压力辊和外部加热部分的定影装置中,刮刀布置成接触外部加热带的圆周表面并在周面上刮擦调色剂等,从而清洁圆周表面。 此外,对外部憎恶带使用对调色剂具有更高粘附性的材料,从而在定影辊的圆周表面上剥离调色剂等并清洁该定影辊的圆周表面 定影辊。 此外,作为适于对刮刀施加振动的振动施加部,设置有适于使外部加热部与定影辊接触/分离的第一接触/分离部。 通过第一次接触/分离将振动施加到刮刀上,以将调色剂等从刮刀上剥离。
    • 7. 发明授权
    • Fixing device including fixing belt and image forming apparatus using the same
    • 固定装置,包括定影带和使用其的成像装置
    • US08706015B2
    • 2014-04-22
    • US13271323
    • 2011-10-12
    • Atsuyoshi NakayamaAkihiko Taniguchi
    • Atsuyoshi NakayamaAkihiko Taniguchi
    • G03G15/20
    • G03G15/2053
    • An image forming apparatus includes photoreceptor drums, a charger, an exposure unit, a developing unit, an intermediate transfer belt and a fixing unit for fixing a toner image to a recording medium. The fixing unit includes a fixing part and a pressing part. The fixing part has a fixing roller, a heating member and a fixing belt. The pressing part has a pressing roller. The heating member is arranged close to, and so as to cover, the outer peripheral side of the fixing roller, and formed with an opening. Both edges of the opening extending along the axial direction of the fixing roller, are positioned closer to the pressing part side than the center axis of the fixing roller is.
    • 图像形成装置包括感光鼓,充电器,曝光单元,显影单元,中间转印带和用于将调色剂图像定影到记录介质的定影单元。 固定单元包括固定部分和按压部分。 固定部具有定影辊,加热构件和定影带。 按压部具有加压辊。 加热构件布置成靠近并且覆盖定影辊的外周侧,并且形成有开口。 沿着定影辊的轴向延伸的开口的两个边缘比定影辊的中心轴更靠近按压部分侧。
    • 8. 发明授权
    • Fixing device and image forming apparatus having the same
    • 固定装置及其成像装置
    • US08331821B2
    • 2012-12-11
    • US12652119
    • 2010-01-05
    • Atsuyoshi Nakayama
    • Atsuyoshi Nakayama
    • G03G15/20
    • G03G15/2064G03G2215/2019
    • A fixing device which can prevent deterioration and breakage of each member, and an image forming apparatus having the fixing device are provided. A separation/contact mechanism carries out separation/contact operation of an external heating section with respect to a fixing roller by turning the whole external heating section using a central axis of a rotation supporting roller out of a pair of rotation supporting rollers, as a rotation axis. This constitution can decrease impact force generated at the time of pressure-contact, and can prevent deterioration and breakage of the external heating belt and the fixing roller. Furthermore, when a heater lamp is provided in only the rotation supporting roller, positional deviation and damage of the heater lamp can be prevented.
    • 提供一种能够防止各部件的劣化和断裂的固定装置,以及具有该固定装置的图像形成装置。 分离/接触机构通过使用旋转支撑辊的中心轴从一对旋转支撑辊转动整个外部加热部分来进行外部加热部分相对于定影辊的分离/接触操作,作为旋转 轴。 这种结构可以减小在压接时产生的冲击力,并且可以防止外部加热带和定影辊的劣化和断裂。 此外,当仅在旋转支撑辊中设置加热灯时,可以防止加热灯的位置偏离和损坏。
    • 9. 发明申请
    • FIXING DEVICE AND IMAGE FORMING APPARATUS HAVING THE SAME
    • 固定装置和具有该装置的图像形成装置
    • US20100172669A1
    • 2010-07-08
    • US12652119
    • 2010-01-05
    • Atsuyoshi Nakayama
    • Atsuyoshi Nakayama
    • G03G15/20
    • G03G15/2064G03G2215/2019
    • A fixing device which can prevent deterioration and breakage of each member, and an image forming apparatus having the fixing device are provided. A separation/contact mechanism carries out separation/contact operation of an external heating section with respect to a fixing roller by turning the whole external heating section using a central axis of a rotation supporting roller out of a pair of rotation supporting rollers, as a rotation axis. This constitution can decrease impact force generated at the time of pressure-contact, and can prevent deterioration and breakage of the external heating belt and the fixing roller. Furthermore, when a heater lamp is provided in only the rotation supporting roller, positional deviation and damage of the heater lamp can be prevented.
    • 提供一种能够防止各部件的劣化和断裂的固定装置,以及具有该固定装置的图像形成装置。 分离/接触机构通过使用旋转支撑辊的中心轴从一对旋转支撑辊转动整个外部加热部分来进行外部加热部分相对于定影辊的分离/接触操作,作为旋转 轴。 这种结构可以减小在压接时产生的冲击力,并且可以防止外部加热带和定影辊的劣化和断裂。 此外,当仅在旋转支撑辊中设置加热灯时,可以防止加热灯的位置偏离和损坏。