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    • 13. 发明申请
    • Belt cleaning device and image forming apparatus
    • 皮带清洗装置和成像装置
    • US20060285872A1
    • 2006-12-21
    • US11471544
    • 2006-06-21
    • Kazushi FukutaTsunemitsu Fukami
    • Kazushi FukutaTsunemitsu Fukami
    • G03G21/00
    • G03G15/161G03G21/00G03G2215/1661
    • A belt cleaning device includes a cleaning roller, a backup roller, and a roller-pressing-state setting mechanism. The cleaning roller is disposed in confrontation with a surface of a belt. The backup roller is disposed in confrontation with the cleaning roller with the belt interposed between the cleaning roller and the backup roller. The roller-pressing-state setting mechanism selectively sets a state of the backup roller to a first state in which the backup roller is pressed against the cleaning roller via the belt, allowing a first pressure to be applied between the cleaning roller and the surface of the belt, and a second state in which a second pressure is applied between the cleaning roller and the surface of the belt. The second pressure is less than the first pressure.
    • 皮带清洁装置包括清洁辊,支撑辊和辊压状态设定机构。 清洁辊设置成与带的表面对抗。 支撑辊与清洁辊对置设置,带间置于清洁辊和支承辊之间。 辊压状态设定机构选择性地将支撑辊的状态设定为第一状态,其中支撑辊经由带压靠在清洁辊上,允许在清洁辊和表面之间施加第一压力 以及第二状态,其中在清洁辊和带的表面之间施加第二压力。 第二压力小于第一压力。
    • 14. 发明授权
    • Image-forming device
    • 图像形成装置
    • US07764889B2
    • 2010-07-27
    • US11773844
    • 2007-07-05
    • Masahito HamayaHiroyuki NaganawaKatsumi InukaiKazushi Fukuta
    • Masahito HamayaHiroyuki NaganawaKatsumi InukaiKazushi Fukuta
    • G03G15/00
    • G03G15/166G03G2215/0119
    • An image-forming device includes a cleaning unit, a toner detection unit, a control unit, and a cleaning target member in the housing. The cleaning unit applies a predetermined voltage with a predetermined absolute value to the cleaning target member to remove toner from the cleaning target member through an electrostatic force. The toner detection unit detects an amount of toner on the cleaning target member at least twice to detect a first amount of toner and a second amount of toner. The first amount and the second amount of toner are detected when a first voltage having a first absolute value is applied as the predetermined voltage at a first time and when a second voltage having a second absolute value is applied as the predetermined voltage at a second time. The control unit determines the predetermined absolute value based on the first toner amount and the second toner amount.
    • 图像形成装置包括在壳体中的清洁单元,调色剂检测单元,控制单元和清洁目标构件。 清洁单元向清洁对象构件施加预定绝对值的预定电压,以通过静电力从清洁目标构件去除调色剂。 调色剂检测单元至少检测清洁目标构件上的调色剂量以检测第一量的调色剂和第二量的调色剂。 当第一次施加具有第一绝对值的第一电压作为预定电压并且当第二时间施加具有第二绝对值的第二电压作为预定电压时,检测第一量和第二量的调色剂 。 控制单元基于第一调色剂量和第二调色剂量来确定预定的绝对值。
    • 15. 发明授权
    • Image forming apparatus
    • 图像形成装置
    • US07697855B2
    • 2010-04-13
    • US11848434
    • 2007-08-31
    • Tsunemitsu FukamiKazushi Fukuta
    • Tsunemitsu FukamiKazushi Fukuta
    • G03G15/00
    • G03G21/203G03G15/161G03G2221/0005
    • The present invention provides an image forming apparatus including a belt, a cleaning roller opposed to a surface of the belt, a voltage generating circuit generating a voltage applied to the cleaning roller, a voltage value detecting circuit detecting a voltage value applied to the cleaning roller, a control unit controlling the voltage generating circuit by inputting a control signal to the voltage generating circuit such that the voltage value detected by the voltage value detecting circuit is set to the same value as a target voltage value, and a target voltage value setting section setting the target voltage value based on a duty of the control signal input from the control unit to the voltage generating circuit.
    • 本发明提供了一种图像形成装置,包括:带,与该带的表面相对的清洁辊,产生施加到清洁辊的电压的电压产生电路;电压值检测电路,检测施加到清洁辊的电压值 控制单元,通过向电压产生电路输入控制信号来控制电压产生电路,使得由电压值检测电路检测的电压值被设置为与目标电压值相同的值,目标电压值设定部分 基于从控制单元输入到电压产生电路的控制信号的占空比来设定目标电压值。
    • 17. 发明授权
    • Field assisted cleaning system for a transfer belt and an image forming apparatus
    • 用于转印带和图像形成装置的现场辅助清洁系统
    • US07596335B2
    • 2009-09-29
    • US11497273
    • 2006-08-02
    • Tsunemitsu FukamiKazushi Fukuta
    • Tsunemitsu FukamiKazushi Fukuta
    • G03G15/16
    • G03G15/168G03G2215/1614G03G2215/1661G03G2221/0005
    • An image forming device is provided with a photoreceptor, a belt, a back member, a front member, and a voltage change device. The belt faces the photoreceptor. The back member is disposed on a back side of the belt. The front member is disposed on a front side of the belt. The front member is disposed adjacent to the belt and faces the back member. The voltage change device is configured to change voltage between the back member and the front member within a range excluding zero. Based on detected conditions such as the number of sheets printed, the replacement of a developer cartridge, or the current between the back member and the front member, the voltage change device change the voltage between the back member and the front member to enhance the ability to clean the belt.
    • 图像形成装置设置有感光体,带,背部构件,前部构件和电压改变装置。 皮带面向感光体​​。 后部构件设置在带的背面。 前部构件设置在带的前侧。 前部构件邻近带子设置并面向后部构件。 电压改变装置被配置为在不包括零的范围内改变后部构件和前部构件之间的电压。 基于检测到的条件,例如打印的纸张数量,显影剂盒的更换或后部件和前部件之间的电流,电压改变装置改变后部构件和前部构件之间的电压,以提高能力 清洁皮带。
    • 18. 发明授权
    • Sheet conveying device and image forming apparatus
    • 片材输送装置和成像装置
    • US07522872B2
    • 2009-04-21
    • US11358081
    • 2006-02-22
    • Kazushi Fukuta
    • Kazushi Fukuta
    • G03G15/00
    • G03G15/6558G03G15/1665G03G2215/00607
    • A sheet conveying device includes: a conveyance unit that conveys a sheet along a sheet conveying path; a paper dust removal roller that is provided in the sheet conveying path to cover a range that is longer than a width of the sheet, the paper dust removal roller removing paper dust that is adhered to the sheet by rotating as the sheet is conveyed; a first dust removing member that contacts with a first portion of the paper dust removal roller where contacts with edges of the sheet, and removes paper dust that is adhered to a surface of the paper dust removal roller; and a second dust removing member that contacts with a second portion of the paper dust removal roller where contacts with a surface of the sheet, and remove paper dust that is adhered to the surface of the paper dust removal roller.
    • 片材输送装置包括:输送单元,其沿片材输送路径输送片材; 纸张除尘辊,其设置在所述纸张输送路径中以覆盖比所述纸张的宽度长的范围;所述除纸辊除去纸张,所述纸屑在纸张被输送时通过旋转而附着到所述纸张上; 第一除尘部件,与纸屑除去辊的第一部分接触,与片材的边缘接触,并且除去粘附到纸粉除尘辊的表面上的纸屑; 以及第二除尘部件,其与纸张除去辊的与纸张表面接触的第二部分接触,并且去除粘附到纸粉除尘辊的表面上的纸屑。