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    Image-forming machine capable of opening to permit ready access to internal components
    1.
    发明授权
    Image-forming machine capable of opening to permit ready access to internal components 失效
    图像形成机能够打开以便准备进入内部部件

    公开(公告)号：US5897244A

    公开(公告)日：1999-04-27

    申请号：US971622

    申请日：1997-11-17

    申请人： Masahiko Miyazaki ,  Yoshifumi Okauchi ,  Naoyuki Ishida ,  Yukihiro Ito ,  Tetsuya Ichigotani ,  Shoji Hirano ,  Takahisa Nakaue

    发明人： Masahiko Miyazaki ,  Yoshifumi Okauchi ,  Naoyuki Ishida ,  Yukihiro Ito ,  Tetsuya Ichigotani ,  Shoji Hirano ,  Takahisa Nakaue

    IPC分类号： B65H3/06 ,  B65H9/06 ,  G03G15/00

    CPC分类号： B65H9/006 ,  B65H3/0638 ,  B65H3/50 ,  G03G15/6564 ,  B65H2404/1112 ,  G03G2215/00544 ,  G03G2215/00721

    摘要： An image-forming machine has a sheet member conveying passage extending through a transfer zone and a fixing zone, a sheet member-feeder for feeding a sheet member to the sheet member conveying passage, and a sheet member conveyor for conveying the sheet member through the sheet member conveying passage. A housing of the image-forming machine has a lower surface defined by an intermediate lower wall and an upper surface defined by an intermediate upper wall, and has a space of which the front surface is opened. The downstream end portion of the sheet member conveying passage extends along one side portion of the intermediate lower wall on the lower side thereof. That one side portion of the intermediate lower wall is defined by an opening/closing member which is brought to the open position to open the downstream end portion of the sheet member conveying passage. The sheet member conveyer includes a pair of register rollers. After the leading edge of the sheet member delivered to the sheet member conveying passage is brought into contact with the nip of the pair of register rollers, the pair of register rollers are preliminarily rotated for only a predetermined period of time.

    摘要翻译： 图像形成机具有延伸通过转印区域和固定区域的片材输送通道，用于将片材元件供给到片材输送通道的片材供给器，以及片材输送机，用于通过该片材输送通道 片材输送通道。 图像形成机的壳体具有由中间下壁和由中间上壁限定的上表面限定的下表面，并且具有其前表面打开的空间。 片材输送通道的下游端部分在下侧的中间下壁的一侧部分延伸。 中间下壁的一侧部分由打开/关闭构件限定，打开/关闭构件打开片材构件输送通道的下游端部。 片材输送机包括一对定位辊。 在输送到片材输送通道的片状构件的前缘与一对对准辊的辊隙接触之后，一对对准辊预先旋转预定的时间。

    Image forming machine with transfer roller
    3.
    发明授权
    Image forming machine with transfer roller 失效
    带转印辊的成像机

    公开(公告)号：US5867761A

    公开(公告)日：1999-02-02

    申请号：US971041

    申请日：1997-11-14

    申请人： Naoyuki Ishida ,  Yoshifumi Okauchi ,  Yukihiro Ito ,  Masahiko Miyazaki ,  Tetsuya Ichigotani ,  Shoji Hirano ,  Takahisa Nakaue

    发明人： Naoyuki Ishida ,  Yoshifumi Okauchi ,  Yukihiro Ito ,  Masahiko Miyazaki ,  Tetsuya Ichigotani ,  Shoji Hirano ,  Takahisa Nakaue

    IPC分类号： G03G15/00

    CPC分类号： G03G15/00

    摘要： An image forming machine having a transfer roller comprises a rotatably disposed photoconductor drum, a transfer roller disposed opposite the photoconductor drum with a predetermined gap provided therebetween, a register roller pair for feeding a transfer sheet toward a transfer area where the photoconductor drum and the transfer roller are opposed to each other, transfer sheet guide means disposed between the register roller pair and the transfer area, and a fixing roller pair for fixing a toner image transferred to the transfer sheet passing through the transfer area. The transfer sheet guide means comprises an inner guide plate and an outer guide plate, and the inner guide plate has a linear guide portion extending toward a predetermined position on the peripheral surface of the photoconductor drum. The predetermined position is set in an angular range (.theta.) covering 12.degree. to 23.degree. upstream, in the direction of rotation of the photoconductor drum, from a line connecting the center of rotation of the photoconductor drum to the center of rotation of the transfer roller, while the linear guide portion of the inner guide plate forms an angle (.alpha.) with a tangent to the photoconductor drum at the predetermined position, the angle (.alpha.) being set at 19.degree. to 30.degree..

    摘要翻译： 具有转印辊的图像形成机包括可旋转地设置的感光鼓，与感光鼓相对设置的转印辊，其间设置有预定的间隙;对准辊对，用于将转印片朝向感光鼓和转印区域 辊彼此相对，设置在对准辊对和转印区域之间的转印纸引导装置和用于固定转印到通过转印区域的转印纸上的调色剂图像的定影辊对。 转印纸引导装置包括内引导板和外引导板，并且内引导板具有朝向感光鼓的外周表面上的预定位置延伸的线性引导部。 将预定位置设置在从感光鼓的旋转中心连接到转印器的旋转中心的线上，在感光鼓的旋转方向上游12°至23°的角度范围（θ） 滚子，而内引导板的线性引导部分在预定位置处形成与感光鼓相切的角度（α），角度（α）设定在19°至30°。

    Imaging unit
    4.
    发明授权
    Imaging unit 失效
    成像单位

    公开(公告)号：US5848330A

    公开(公告)日：1998-12-08

    申请号：US965891

    申请日：1997-11-07

    申请人： Takahisa Nakaue ,  Yoshifumi Okauchi ,  Yukihiro Ito ,  Naoyuki Ishida ,  Masahiko Miyazaki ,  Tetsuya Ichigotani ,  Shoji Hirano

    发明人： Takahisa Nakaue ,  Yoshifumi Okauchi ,  Yukihiro Ito ,  Naoyuki Ishida ,  Masahiko Miyazaki ,  Tetsuya Ichigotani ,  Shoji Hirano

    IPC分类号： G03G21/16 ,  G03G15/08 ,  G03G21/00 ,  G03G15/04

    CPC分类号： G03G15/0813 ,  G03G15/0896

    摘要： An imaging unit includes a developer unit which is supported rotatably about a predetermined rotation axis thereof by means of a drum unit. Spacing regulation sleeves are respectively fitted around opposite ends of a support shaft of a developer roller for regulating a spacing between the photoreceptor drum and the developer roller. A driven gear is engaged with one end of the support shaft of the developer roller for integral rotation thereof, and adapted to be driven by a drive transmission gear. By utilizing a driving force applied to the driven gear, the developer unit is biased about the rotation axis to press one spacing regulation sleeve fitted around one end of the support shaft of the developer roller against the photoreceptor drum. The other spacing regulation sleeve fitted around the other end of the support shaft of the developer roller is resiliently pressed against the photoreceptor drum by means of a resilient member.

    摘要翻译： 成像单元包括显影单元，该显影单元通过鼓单元绕其预定旋转轴线可旋转地支撑。 间隔调节套管分别安装在显影辊的支撑轴的相对两端，用于调节感光鼓和显影辊之间的间隔。 从动齿轮与显影辊的支撑轴的一端接合，以使其一体旋转，并且适于由驱动传动齿轮驱动。 通过利用施加到从动齿轮的驱动力，显影单元围绕旋转轴线偏置，以将围绕显影辊的支撑轴的一端装配的一个间隔调节套筒压靠在感光鼓上。 围绕显影辊的支撑轴的另一端安装的另一个间隔调节套筒通过弹性构件弹性压靠在感光鼓上。

    Unit positioning member for an image forming apparatus
    5.
    发明授权
    Unit positioning member for an image forming apparatus 失效
    用于图像形成装置的单元定位构件

    公开(公告)号：US5802426A

    公开(公告)日：1998-09-01

    申请号：US864512

    申请日：1997-05-28

    申请人： Masahiko Miyazaki ,  Naoyuki Ishida ,  Junichi Inada ,  Tadahiro Kiyosumi ,  Tetsuya Ichigotani

    发明人： Masahiko Miyazaki ,  Naoyuki Ishida ,  Junichi Inada ,  Tadahiro Kiyosumi ,  Tetsuya Ichigotani

    IPC分类号： G03G15/00 ,  G03G15/20 ,  G03G21/16

    CPC分类号： G03G15/2064 ,  G03G21/1633 ,  G03G21/1638 ,  G03G2221/1639 ,  G03G2221/1654

    摘要： An image forming apparatus according to the present invention comprises three units, that is, an image forming unit 40, a fixing unit 60, and a transfer unit 50. The three units are mounted on a main frame 10 with a positional relationship upon being positioned therebetween. The image forming unit 40 is fixed to a predetermined position with respect to the main frame 10. Further, the main frame 10 comprises a positioning pin 14 arranged in a predetermined positional relationship with the image forming unit 40. The fixing unit 60 and the transfer unit 50 are positioned upon being engaged with the positioning pin 14. Consequently, there is no shift in position among the image forming unit 40, the transfer unit 50, and the fixing unit 60. The three units can be correctly mounted on the main frame 10.

    摘要翻译： 根据本发明的图像形成装置包括三个单元，即图像形成单元40，定影单元60和转印单元50.三个单元在定位时以位置关系安装在主框架10上 之间。 图像形成单元40相对于主框架10固定到预定位置。此外，主框架10包括以与图像形成单元40预定的位置关系布置的定位销14.定影单元60和转印 单元50定位在与定位销14接合的位置。因此，在图像形成单元40，转印单元50和定影单元60之间不存在位置偏移。三个单元可以被正确地安装在主框架 10。