Off-center adjustment apparatus
    1.
    发明申请
    Off-center adjustment apparatus 有权
    偏心调节装置

    公开(公告)号:US20070284810A1

    公开(公告)日:2007-12-13

    申请号:US11808204

    申请日:2007-06-07

    IPC分类号: B65H7/02 B65H9/04

    摘要: According to an embodiment, an idler roller has an insertion through-hole through which a rotation shaft is inserted. Collar-shaped stopper portions are formed on the rotation shaft and are located on both left and right sides of the idler roller when the rotation shaft is inserted and provided at a normal position. Coil springs are attached between the stopper portions and base surfaces of concave groove portions of the idler roller. The idler roller is held at the normal position by biasing force of both the coil springs when paper is not seized. When paper is seized, the idler roller is moved in a lateral direction by elastic restoring force caused by a torsion phenomenon occurring in the paper. The idler roller returns to the normal position due to biasing force of both the coil springs after the paper has passed through the idler roller.

    摘要翻译: 根据一个实施例,惰辊具有插入通孔,旋转轴穿过插入通孔。 当旋转轴插入并设置在正常位置时,环形止动部分形成在旋转轴上并且位于惰轮的左右两侧。 螺旋弹簧安装在惰轮的凹槽部分的止动部分和基面之间。 当没有抓住纸张时,惰轮通过两个螺旋弹簧的偏压力保持在正常位置。 当纸张被抓住时,通过由纸张中发生的扭转现象引起的弹性恢复力,惰轮在横向方向上移动。 在纸张通过惰轮之后,由于两个螺旋弹簧的偏置力,惰轮回到正常位置。

    Image forming apparatus
    4.
    发明授权
    Image forming apparatus 有权
    图像形成装置

    公开(公告)号:US08873994B2

    公开(公告)日:2014-10-28

    申请号:US13099466

    申请日:2011-05-03

    IPC分类号: G03G21/20

    摘要: In one embodiment, an image forming apparatus (100) is provided with a resin frame (300) made of resin and an image forming unit (200). The image forming apparatus further includes a first duct (410) that allows air to flow on one side of the image forming unit (200), a second duct (420) that allows air to flow on the other side, and a third duct (430) that allows air to flow between the first duct and the second duct. The resin frame (300) has a first duct portion (311) that constitutes at least a portion of the first duct (410), and a second duct portion (321) that constitutes at least a portion of the second duct (420).

    摘要翻译: 在一个实施例中,图像形成装置(100)设置有由树脂制成的树脂框架(300)和图像形成单元(200)。 图像形成装置还包括允许空气在图像形成单元(200)的一侧流动的第一管道(410),允许空气在另一侧流动的第二管道(420)和第三管道 430),其允许空气在第一管道和第二管道之间流动。 树脂框架(300)具有构成第一管道(410)的至少一部分的第一管道部分(311)和构成第二管道(420)的至少一部分的第二管道部分(321)。

    Image forming apparatus
    5.
    发明申请
    Image forming apparatus 有权
    图像形成装置

    公开(公告)号:US20080054555A1

    公开(公告)日:2008-03-06

    申请号:US11892864

    申请日:2007-08-28

    IPC分类号: B65H5/06

    摘要: A pair of registration rollers are provided upstream in a paper transport path from an image forming position, and a paper transport position detection portion is provided upstream in the paper transport path from the pair of registration rollers. When consecutive print processing on a plurality of sheets of paper is performed, a paper transport position in the paper transport path is detected by the paper transport position detection portion for a sheet of paper that has been set in advance among the plurality of sheets of paper. A correction amount of a position for image writing to a photosensitive drum is determined based on the paper transport position, and correction of the image writing position is performed based on the correction amount. Image forming on the sheet of paper is performed at the image forming position based on the image writing position after correction, and image forming on other sheets of paper after the sheet of paper that was set in advance is performed at the image forming position based on the image writing position after correction.

    摘要翻译: 一对定位辊从图像形成位置设置在纸张传送路径的上游,并且纸张传送位置检测部分设置在纸张传送路径中的一对对位辊的上游。 当执行在多页纸上的连续打印处理时,纸张传送路径中的纸张传送位置被纸张传送位置检测部分检测到,纸张传送位置检测部分是在多张纸张之间预先设定的纸张 。 基于纸张传送位置确定用于图像写入感光鼓的位置的校正量,并且基于校正量来执行图像写入位置的校正。 基于校正后的图像写入位置,在图像形成位置上进行图像形成,并且在基于图像形成位置执行预先设定的纸张之后的其它纸张上的图像形成 图像写入位置修正后。

    Image forming apparatus
    6.
    发明授权

    公开(公告)号:US08571439B2

    公开(公告)日:2013-10-29

    申请号:US12895975

    申请日:2010-10-01

    申请人: Shinji Nakazawa

    发明人: Shinji Nakazawa

    IPC分类号: G03G15/00

    摘要: In one embodiment of an image forming apparatus of the present invention, the image forming apparatus includes an opening/closing cover that is supported so as to be capable of moving relative to an image forming apparatus main body and opens/closes an opening portion of the image forming apparatus main body; and a unit installed so as to be capable of swinging on an image forming apparatus main body side of the opening/closing cover, in which when the opening/closing cover is opened/closed, the unit moves in a track that moves around a guide shaft of the unit, and in a track that moves so as to follow opening/closing of the opening/closing cover.

    Image forming apparatus
    7.
    发明授权
    Image forming apparatus 有权
    图像形成装置

    公开(公告)号:US08179541B2

    公开(公告)日:2012-05-15

    申请号:US12362575

    申请日:2009-01-30

    申请人: Shinji Nakazawa

    发明人: Shinji Nakazawa

    IPC分类号: G06F3/12 H04N1/04 G06T5/00

    摘要: In continuous printing of plural sheets of recording paper, a controlling section of an image forming apparatus corrects a writing position for a first sheet of recording paper in accordance with an off-center amount detected by a carrying position sensor with respect to the first sheet of recording paper. As for an nth sheet of recording paper, the controlling section corrects the writing position for the nth sheet of recording paper in accordance with an off-center amount α(n−1) detected by the carrying position sensor with respect to an (n−1)th sheet of recording paper. In a case where an absolute value of a difference between an off-center amount αn detected by the carrying position sensor with respect to the nth sheet of recording paper and the off-center amount α(n−1) exceeds a threshold, the controlling section corrects the writing position in accordance with the off-center amount αn and causes an exposure unit to write again the electrostatic latent image at the writing position corrected in accordance with the off-center amount αn, instead of writing an electrostatic latent image at the writing position corrected in accordance with the off-center amount α(n−1). This makes it possible to minimize a decrease in printing speed and improve accuracy of a position with which an image is formed on a sheet of recording paper.

    摘要翻译: 在多张记录纸的连续打印中,图像形成装置的控制部根据由携带位置传感器相对于第一张记录纸检测到的偏心量来校正第一张记录纸的书写位置 记录纸。 对于第n张记录纸,控制部根据由携带位置传感器检测到的偏心量α(n-1)相对于第(n-1)个记录纸张的第n页记录纸的写入位置, 1张)记录纸。 在由携带位置传感器检测到的相对于第n张记录纸的偏心量αn与偏心量α(n-1)之间的差的绝对值超过阈值的情况下,控制 部分根据偏心量αn校正写入位置,并且使曝光单元再次根据偏心量αn校正的写入位置处再次写入静电潜像,而不是在静电潜像上写入静电潜像 写入位置根据偏心量α(n-1)进行校正。 这使得可以最小化打印速度的降低并且提高在一张记录纸上形成图像的位置的精度。

    IMAGE FORMING APPARATUS
    8.
    发明申请
    IMAGE FORMING APPARATUS 审中-公开
    图像形成装置

    公开(公告)号:US20080193165A1

    公开(公告)日:2008-08-14

    申请号:US12028089

    申请日:2008-02-08

    IPC分类号: G03G15/00

    摘要: An image forming apparatus includes a photoreceptor drum, a developing roller, a registration roller for positioning and conveying the paper and a drive controller for controlling the drive of the registration roller. The registration roller conveys the paper so that its leading end collides with the photoreceptor drum. The drive controller corrects the timing of driving the registration roller based on the detected eccentric variation of the peripheral surface of the photoreceptor drum and the rotational phase. The drive controller may acquire the eccentric variation as external data instead of detecting it.

    摘要翻译: 图像形成装置包括感光鼓,显影辊,用于定位和传送纸张的定位辊以及用于控制对准辊的驱动的驱动控制器。 定位辊传送纸张,使其前端与感光鼓相撞。 驱动控制器基于检测到的感光鼓的外周表面的偏心变化和旋转相位校正驱动定位辊的时机。 驱动控制器可以获取偏心变化作为外部数据,而不是检测它。

    Image forming apparatus with resin frame and method for molding the resin frame
    10.
    发明授权
    Image forming apparatus with resin frame and method for molding the resin frame 有权
    具有树脂框架的图像形成装置和用于模制树脂框架的方法

    公开(公告)号:US08706001B2

    公开(公告)日:2014-04-22

    申请号:US13083837

    申请日:2011-04-11

    IPC分类号: G03G15/00 G03G21/16 G03G15/01

    摘要: An image forming apparatus of the present invention includes a resin frame composed of a resin and an image forming unit that is removably inserted in the resin frame. The resin frame includes a base having a supporting surface that supports the image forming unit, a guide portion that extends in the base in an insertion direction in which the image forming unit is inserted along the supporting surface and that guides the image forming unit in the insertion direction while limiting movement of the image forming unit in an orthogonal direction that is orthogonal to the insertion direction, and a side plate portion that is provided at a peripheral edge of the base so as to extend in a direction perpendicular to the supporting surface, the base, the guide portion, and the side plate portion being integrally molded from a resin. A mold opening direction of a mold for molding the guide portion is set to a direction parallel to the orthogonal direction, and downstream end portions of the side plate portion in the mold opening direction are integrally connected to each other and extend essentially parallel to the perimeter of the base.

    摘要翻译: 本发明的图像形成装置包括由树脂构成的树脂框架和可移除地插入树脂框架中的图像形成单元。 树脂框架包括具有支撑图像形成单元的支撑表面的基部,沿着插入方向在基部中沿着支撑表面插入图像形成单元的引导部,并且将图像形成单元引导到 插入方向,同时限制图像形成单元在与插入方向正交的正交方向上的移动;以及侧板部,其设置在基部的周缘处以沿与支撑表面垂直的方向延伸, 基座,引导部分和侧板部分由树脂整体模制。 用于模制导向部分的模具的开模方向设置成与正交方向平行的方向,并且侧板部分在开模方向上的下游端部彼此一体地连接并且基本上平行于周边延伸 的基地。