Image forming apparatus with belt position control feature
    1.
    发明授权
    Image forming apparatus with belt position control feature 有权
    具有皮带位置控制功能的成像设备

    公开(公告)号:US08824939B2

    公开(公告)日:2014-09-02

    申请号:US13037676

    申请日:2011-03-01

    CPC classification number: G03G15/01

    Abstract: An image forming apparatus includes an image bearing member; a rotatable belt member; a rotatable supporting roller for stretching the belt member; and a steering roller controlled by motors for stretching the belt member and for moving the belt member in a widthwise direction by an inclining operation. A number of sensors detect the position of the belt member in the widthwise direction and produce an output, causing a first controller to change the amount of the inclining operation of the steering roller in order to counter the force moving the belt member in the widthwise direction. The output of the sensors also causes a second controller to change the amount of the inclining operation of the steering roller in short intervals to reduce the rapid positional deviation of the belt member attributable to the inclination of the steering roller.

    Abstract translation: 图像形成装置包括:图像承载部件; 可旋转的带构件; 用于拉伸带构件的可旋转支撑辊; 以及由马达控制的用于拉伸带部件并通过倾斜操作沿宽度方向移动带部件的转向辊。 多个传感器检测带部件在宽度方向上的位置并产生输出,从而使第一控制器改变转向辊的倾斜操作量,以便抵抗带部件沿宽度方向移动的力 。 传感器的输出还使得第二控制器以短的间隔改变转向辊的倾斜操作量,以减少由于转向辊的倾斜引起的带部件的快速位置偏差。

    Image forming apparatus having transfer belt control
    2.
    发明授权
    Image forming apparatus having transfer belt control 有权
    具有转印带控制的图像形成装置

    公开(公告)号:US08818239B2

    公开(公告)日:2014-08-26

    申请号:US13312136

    申请日:2011-12-06

    CPC classification number: G03G15/1615 G03G2215/00143 G03G2215/00156

    Abstract: An apparatus includes a belt member, a first image bearing member, a second image bearing member provided downstream of the first image bearing member, and a first steering roller provided upstream of the first image bearing member for controlling a widthwise position of the belt member by inclining at a position. In addition, a second steering roller is provided downstream of the second image bearing member and controls the widthwise position of the belt member, a first detecting member detects a widthwise position of the belt member on the first image bearing member, and a second detecting member detects a widthwise position of the belt member on the second image bearing member. A first control portion controls an inclination of the first steering roller on the basis of a detection result of the first detecting member, and a second control portion controls the second steering roller on the basis of a detection result of the first detecting member before a predetermined time and a current detection result of the second detecting member.

    Abstract translation: 一种装置,包括:带构件,第一图像承载构件,设置在第一图像承载构件下游的第二图像承载构件;以及第一转向辊,设置在第一图像承载构件的上游,用于通过以下步骤控制带构件的横向位置 倾斜在一个位置。 此外,第二转向辊设置在第二图像承载部件的下游并控制带部件的宽度方向位置,第一检测部件检测带部件在第一图像承载部件上的宽度方向位置,第二检测部件 检测带构件在第二图像承载构件上的宽度方向位置。 第一控制部基于第一检测部件的检测结果来控制第一转向辊的倾斜,第二控制部根据第一检测部件的检测结果,在预定的 时间和第二检测部件的当前检测结果。

    IMAGE FORMING APPARATUS
    3.
    发明申请
    IMAGE FORMING APPARATUS 有权
    图像形成装置

    公开(公告)号:US20120328337A1

    公开(公告)日:2012-12-27

    申请号:US13529560

    申请日:2012-06-21

    Abstract: An image forming apparatus includes a photosensitive drum; an image forming device for forming a toner image on the drum; an endless belt; first and second rollers supporting the belt; a first sensor for detecting a widthwise position of the belt; a first displacing device for displacing the first roller in accordance with an output of the first sensor; a second sensor for detecting a widthwise position of the belt; a second displacing device for displacing the second in accordance with an output of the second sensor; an adjuster for adjusting first and second reference positions such that a tangent line direction of the drum at a position at which the drum contacts the belt is parallel with a moving direction the belt.

    Abstract translation: 图像形成装置包括感光鼓; 用于在所述滚筒上形成调色剂图像的图像形成装置; 无尽的腰带 第一和第二辊支撑带; 用于检测所述带的宽度方向位置的第一传感器; 第一移位装置,用于根据第一传感器的输出移动第一辊; 用于检测所述带的宽度方向位置的第二传感器; 第二移位装置,用于根据第二传感器的输出移动第二移位装置; 用于调节第一和第二参考位置的调节器,使得在鼓与皮带接触的位置处的滚筒的切线方向与皮带的移动方向平行。

    Sheet supply apparatus
    4.
    发明授权
    Sheet supply apparatus 失效
    供纸装置

    公开(公告)号:US5478066A

    公开(公告)日:1995-12-26

    申请号:US144260

    申请日:1993-11-01

    CPC classification number: B65H3/128 Y10S271/902

    Abstract: The present invention provides a sheet supply apparatus with a sheet support for supporting a plurality of sheets, a first sheet absorb unit arranged facing a sheet surface of the sheet stack supported by the sheet support for absorbing the sheet by air suction, a second sheet absorb unit arranged facing a tip end of the sheet stack in a sheet supply direction for absorbing the sheet by air suction and a conveyer for conveying the sheet absorbed to the first and second sheet absorb units. The first sheet absorb unit and the second sheet absorb unit are respectively disposed at positions where the first sheet absorb unit is substantially parallel to the sheet surface and the second sheet absorb unit is inclined relative to the sheet surface. When a sheet stops a feeding unit operates in response to return the sheet to the sheet stack as the sheet is being absorbed by the first sheet absorb unit.

    Abstract translation: 本发明提供了一种片材供应装置,其具有用于支撑多个片材的片材支撑件,第一片材吸收单元布置成面对由片材支撑件支撑的片材片材的片材表面,用于通过空气吸力吸收片材,第二片材吸收 单元,其布置成在片材供应方向上面对片材堆叠的顶端,用于通过空气吸力吸收片材;以及输送器,用于输送吸收到第一和第二片材吸收单元的片材。 第一片材吸收单元和第二片材吸收单元分别设置在第一片材吸收单元基本上平行于片材表面的位置,并且第二片材吸收单元相对于片材表面倾斜。 当片材停止时,当片材被第一片材吸收单元吸收时,馈送单元响应于将片材返回到片材叠层来操作。

    Both-face automatic original feeding apparatus
    5.
    发明授权
    Both-face automatic original feeding apparatus 失效
    双面自动送料装置

    公开(公告)号:US6081688A

    公开(公告)日:2000-06-27

    申请号:US925138

    申请日:1997-09-08

    Abstract: A both-face automatic original feeding apparatus wherein a plurality of originals having images on their first and second surfaces are successively supplied from an original stacking portion to a predetermined position for reading an original, and each original is reversely rotated through a switch-back path after the first surface of the original passes through the predetermined position, thereby supplying the original to the predetermined position again to direct the second surface of the original to the predetermined position. In such a feeding apparatus, there is provided an introduction path for directing the original supplied from the original stacking portion to the predetermined position; a first discharge path for directing the original to the switch-back path after the original passes through the predetermined position; a surface reverse path for directing the original from the switch-back path to the predetermined position after reversing a first surface and a rear surface of the original; and a controller for controlling the apparatus in such a manner that a preceding original is switched back to convey it in the surface reverse path while a succeeding original is being passed through the predetermined position, and, when a trailing end of the succeeding original leaves the predetermined position, a tip end of the preceding original reaches the predetermined position.

    Abstract translation: 一种双面自动原稿馈送装置,其中在原始堆叠部分上连续提供在其第一表面和第二表面上具有图像的多个原稿到用于读取原稿的预定位置,并且每个原稿通过转向路径 在原稿的第一表面通过预定位置之后,再次将原稿提供到预定位置以将原稿的第二表面引导到预定位置。 在这种馈送装置中,设置有用于将从原始堆叠部分提供的原稿引导到预定位置的引入路径; 第一放电路径,用于在原稿通过预定位置之后将原稿引导到切换回路径; 表面反转路径,用于在反转原稿的第一表面和后表面之后将原稿从开关返回路径引导到预定位置; 以及控制器,用于以下述方式控制设备,使得先前的原稿在后续原稿正在通过预定位置时被切换回表面反向路径中,并且当后续原稿的后端离开 预定位置,前一原稿的末端到达预定位置。

    Sheet feeding device with control of skew-correction
    6.
    发明授权
    Sheet feeding device with control of skew-correction 失效
    带偏斜校正控制的送纸装置

    公开(公告)号:US5681036A

    公开(公告)日:1997-10-28

    申请号:US539263

    申请日:1995-10-04

    Abstract: A sheet feeding device can perform registration of a sheet with high precision even if the sheet is fed at high speed. The device includes a pair of active registration rollers, disposed at a side upstream from a reading unit in the sheet feeding direction, for correcting skew of the sheet, skew-amount detection sensors, disposed at a side downstream from the pair of active registration rollers in the sheet feeding direction, respective pairs of feeding rollers, disposed at a side upstream from the pairs of active registration rollers in the sheet feeding direction, and sheet detection sensors, disposed at a side upstream from the pairs of feeding rollers in the sheet feeding direction. Each of the pairs of feeding rollers includes a roller having a semispherical cross section at the driving side. When the leading edge of the sheet has been detected by the sheet detection sensors, the semispherical rollers are stopped in a state of not holding the sheet when the sheet is fed to the pair of active registration rollers by rotating the semispherical rollers by a predetermined number of revolutions at the same phase.

    Abstract translation: 即使片材以高速进给,片材进给装置也可以高精度地进行片材的配准。 该装置包括一对主动对准辊,其设置在纸张馈送方向上从读取单元的上游侧的一侧,用于校正纸张的倾斜,倾斜量检测传感器,设置在该对主动对准辊的下游侧 在片材进给方向上,设置在纸张馈送方向上的成对的主动对准辊的上游侧的各对进给辊以及片材检测传感器,其设置在片材进给中的成对的进给辊的上游侧 方向。 每对进给辊包括在驱动侧具有半球形横截面的辊。 当通过片材检测传感器检测到片材的前缘时,通过将半球形辊旋转预定数量,当片材被馈送到一对有效对准辊时,半球形辊在不保持片材的状态下停止 在同一阶段的革命。

    Fixing device with separation member capable of varying contact pressure
    8.
    发明授权
    Fixing device with separation member capable of varying contact pressure 失效
    具有能够改变接触压力的分离构件的固定装置

    公开(公告)号:US5500726A

    公开(公告)日:1996-03-19

    申请号:US168504

    申请日:1993-12-22

    CPC classification number: G03G15/2028

    Abstract: Disclosed is a fixing device with a rotating member for performing a fixing operation by pinching and carrying a recording medium supporting an unfixed image. It separates a member pressing against the surface of the rotating member to separate the recording medium from the rotating member and its contact pressure is switchable between the first and second pressure, the second pressure being less than the first pressure and the switching taking place during the separation of the recording medium from the rotating member and after a front edge of the recording medium has separated.

    Abstract translation: 公开了一种具有旋转构件的定影装置,用于通过夹持和携带支撑未定影图像的记录介质进行定影操作。 它将一个构件压靠在旋转构件的表面上以使记录介质与旋转构件分离,并且其接触压力可在第一和第二压力之间切换,第二压力小于第一压力,而在 记录介质与旋转构件之间以及在记录介质的前边缘分离之后。

    Sheet feeding apparatus for re-feeding a sheet without smearing
    9.
    发明授权
    Sheet feeding apparatus for re-feeding a sheet without smearing 失效
    用于在不进行涂抹的情况下重新进给片材的片材进给装置

    公开(公告)号:US5305995A

    公开(公告)日:1994-04-26

    申请号:US963265

    申请日:1992-10-19

    Abstract: The present invention provides a sheet feeding apparatus which includes a first conveying device for conveying a sheet stack formed in a stepped fashion by offsetting each sheet by a predetermined distance in a predetermined direction toward the predetermined direction or toward an opposite direction, a separating device disposed at a downstream side of the first conveying means in the predetermined direction and adapted to separate an outermost sheet from the sheet stack being fed by the first conveying device, a second conveying device for conveying the sheet separated by the separating device, and control device for controlling the first conveying device in such a manner that the first conveying device is activated to convey the sheet stack in the predetermined direction and the first conveying device is stopped after the sheet separated by the separating device starts to be conveyed by the second conveying device.

    Abstract translation: 本发明提供了一种片材进给装置,其包括:第一输送装置,用于输送以阶梯形式形成的纸叠,通过将预定距离的预定距离朝向预定方向或朝向相反方向偏移预定距离;分离装置, 在第一输送装置的下游侧沿预定方向并且适于将最外面的纸张与由第一输送装置供给的纸张堆叠分离,用于输送由分离装置分离的纸张的第二输送装置,以及用于 控制第一输送装置,使得第一输送装置被激活以沿预定方向输送纸叠,并且在由分离装置分离的纸张开始由第二输送装置输送之后第一输送装置停止。

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