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    • 4. 发明授权
    • Image forming apparatus
    • 图像形成装置
    • US07418234B2
    • 2008-08-26
    • US10550543
    • 2004-04-09
    • Susumu MurakamiMinoru TomiyoriHideshi IzumiTakahisa NarikiyoKuniaki NakanoYoshie Iwakura
    • Susumu MurakamiMinoru TomiyoriHideshi IzumiTakahisa NarikiyoKuniaki NakanoYoshie Iwakura
    • G03G15/00
    • G03G15/234
    • A discharge unit is disposed downstream of a principal transport path of a compound machine, and a shifter function is provided in this discharge unit. By shifting the paper passage position relative to a photosensitive drum when printing the front side and the paper passage position relative to the photosensitive drum when printing the back side, the region in which the surface electric potential of the photosensitive drum increases is diminished, and the region in which photographic fog is generated is made smaller. Thus, when printing the second and subsequent sheets, even when a slight amount of displacement of the transport position of the recording paper occurs, it is possible to suppress that recording paper making contact in the photographic fog region on the photosensitive drum, and defective printing can be prevented.
    • 放电单元设置在复合机械的主输送路径的下游,并且在该排出单元中设置有换档功能。 通过在打印背面时相对于感光鼓打印前侧和纸张通过位置时相对于感光鼓移动纸张通过位置,感光鼓的表面电位增加的区域减小, 产生摄影雾的区域变小。 因此,当打印第二张和后续的纸张时,即使发生记录纸的输送位置的轻微位移,也可以抑制在感光鼓上的摄影雾区域中的记录纸接触,并且打印不良 可以防止。
    • 5. 发明授权
    • Access-controlling mechanism and image forming apparatus
    • 访问控制机构和图像形成装置
    • US07058336B2
    • 2006-06-06
    • US10777914
    • 2004-02-11
    • Susumu MurakamiMinoru TomiyoriYoshie IwakuraHideshi IzumiTakashi HoriTakateru Yamamoto
    • Susumu MurakamiMinoru TomiyoriYoshie IwakuraHideshi IzumiTakashi HoriTakateru Yamamoto
    • G03G15/00G03G21/00
    • G03G21/1633G03G2221/1684G03G2221/169
    • When handle region(s) of disengaging lever(s) is/are pulled in direction(s) tending to cause disengagement of engagement between access-controlling body or bodies and main body housing(s), respective action edge(s) of rotating region(s) may rotate about shaft(s) in direction(s) tending to cause disengagement of engagement. Upon rotating in direction(s) tending to cause disengagement of engagement, respective action edge(s) of rotating region(s) may press on and impel support plate(s) of main body housing(s). In accompaniment thereto, disengaging lever(s) may move upward, and respective downwardly directed engagement projection(s) of access-controlling body or bodies may be lifted up and extricated from respective upwardly directed engagement projection(s) of main body housing(s). Moreover, when handle region(s) of disengaging lever(s) is/are pulled, respective sliding frame(s) of access-controlling body or bodies may move along respective guide rail(s) of main body housing(s) and toward exterior(s) of main body housing(s), greatly opening up access at opening(s) of main body housing(s).
    • 当分离杆的手柄区域被拉动时,倾向于导致进入控制体或主体和主体壳体之间的接合脱离,相应的旋转作用边缘 一些或多个区域可以围绕轴在一些倾向于导致接合脱离的方向上旋转。 当倾向于导致接合脱离的方向旋转时,旋转区域的相应作用边缘可以压靠并推动主体外壳的支撑板。 伴随其中,分离杆可以向上移动,并且访问控制体或主体的相应的向下指向的接合突起可以被提升并从主体壳体的相应的向上指向的接合突出部(s )。 此外,当拉动分离杆的手柄区域时,访问控制体或主体的相应滑动框架可以沿着主体壳体的各个导轨移动并且朝向 主体外壳的外部,主体外壳的开口大大打开通道。
    • 10. 发明授权
    • Paper transport apparatus and paper transport method
    • 纸张运输装置和纸张运输方式
    • US07158750B2
    • 2007-01-02
    • US10728710
    • 2003-12-04
    • Yoshie IwakuraMinoru TomiyoriSusumu MurakamiHideshi Izumi
    • Yoshie IwakuraMinoru TomiyoriSusumu MurakamiHideshi Izumi
    • G03G15/00G03G15/16B05C1/08
    • G03G15/6558G03G15/235
    • Provided are photosensitive body or bodies 31b carrying toner; transfer roller(s) 31d, rotating and coming in contact with photosensitive body or bodies 31b, for causing toner image(s) formed on photosensitive body or bodies 31b to be electrostatically relocated onto paper 5; and paper transport means disposed upstream in transport direction(s) from transfer roller(s) 31d and comprising drive roller(s) 36d1 and idler roller(s) 36d2 holding lead edge portion(s) 5a of paper 5 in nip(s) formed therebetween and rotating so as to cause transport of same; drive roller(s) 36d1 and idler roller(s) 36d2 being disposed to the side, on which photosensitive body or bodies 31b is or are present, of a plane L more or less tangent to nip(s) formed between photosensitive body or bodies 31b and transfer roller(s) 31d; and direction(s) R of transport of paper from drive roller(s) 36d1 and idler roller(s) 36d2 being disposed so as to be directed toward transfer roller(s) 31d.
    • 提供携带调色剂的感光体31b; 旋转并与感光体或物体31b接触的用于使感光体或主体31b上形成的调色剂图像静电地移动到纸张5上的转印辊31d; 以及纸张传送装置,其在转印辊31d的输送方向上游设置,并且包括驱动辊36d 1和惰轮36d 2,保持纸张的引导边缘部分5a 5在其间形成的辊隙中并旋转以使其运送; 驱动辊36d 1和惰轮36d 2设置在与存在的感光体或主体31b存在的一侧或多或少相对于形成的辊隙相切的平面L上 感光体31b和转印辊31d之间; 以及来自驱动辊36d 1和惰辊36d 2的纸的输送方向R被设置为指向转印辊31d。