Reduction gear unit and image forming apparatus incorporating same
    91.
    发明授权
    Reduction gear unit and image forming apparatus incorporating same 有权
    减速装置和结合其的图像形成装置

    公开(公告)号:US09176453B2

    公开(公告)日:2015-11-03

    申请号:US13207739

    申请日:2011-08-11

    IPC分类号: F16H57/08 G03G15/00

    摘要: A reduction gear unit incorporatable in an image forming apparatus includes planetary gear mechanisms each including a sun gear, an outer gear, planetary gears arranged between the outer gear and the sun gear at equal intervals and meshing with the sun gear and the outer gear, and a carrier rotatable coaxially with the sun gear and the outer gear to rotatably support the planetary gears. An extreme upstream mechanism in the drive transmission direction includes an input element connected to a drive source. An extreme downstream mechanism includes an output element connected to a member outputting the drive force to a rotary member. Any mechanism other than the extreme downstream mechanism includes an output element connected to an input element of an adjacent mechanism located downstream of any other mechanism. The sun gear of the extreme downstream mechanism has a larger pitch diameter than any other mechanisms.

    摘要翻译: 在图像形成装置中可并入的减速装置包括行星齿轮机构,每个行星齿轮机构包括太阳齿轮,外齿轮,以等间隔布置在外齿轮和太阳齿轮之间的行星齿轮,并与太阳齿轮和外齿轮啮合; 能够与太阳齿轮和外齿轮同轴旋转地支撑行星齿轮的载体。 驱动传递方向上的极端上游机构包括连接到驱动源的输入元件。 极端的下游机构包括连接到向旋转构件输出驱动力的构件的输出元件。 除了极端下游机构之外的任何机构包括连接到位于任何其它机构下游的相邻机构的输入元件的输出元件。 极端下游机构的太阳齿轮具有比任何其他机构更大的节圆直径。

    TRANSFER DEVICE AND IMAGE FORMING APPARATUS INCLUDING SAME
    92.
    发明申请
    TRANSFER DEVICE AND IMAGE FORMING APPARATUS INCLUDING SAME 审中-公开
    传输装置和图像形成装置,包括它们

    公开(公告)号:US20150261140A1

    公开(公告)日:2015-09-17

    申请号:US14642001

    申请日:2015-03-09

    IPC分类号: G03G15/16

    CPC分类号: G03G15/1615

    摘要: A transfer device includes at least one pair of lateral plates, an intermediate transfer belt, a plurality of rollers, and a dynamic vibration absorber. The intermediate transfer belt is formed into an endless loop and is entrained about the plurality of rollers. The dynamic vibration absorber is disposed on at least one of the plurality of rollers and includes an inertial body. The inertial body is disposed inside the endless loop of the intermediate transfer belt, and both ends of the inertial body in an axial direction of the inertial body are rotatably supported by the at least one pair of lateral plates via shaft bearings.

    摘要翻译: 转印装置包括至少一对侧板,中间转印带,多个辊和动态吸振体。 中间转印带形成为环形环,并且夹在多个辊子周围。 动态吸振器设置在多个辊中的至少一个上,并且包括惯性体。 惯性体设置在中间转印带的无端环内,惯性体的沿惯性体的轴向的两端通过轴承由至少一对侧板可旋转地支撑。

    Rotating-body driving device and image forming apparatus
    93.
    发明授权
    Rotating-body driving device and image forming apparatus 有权
    旋转体驱动装置和图像形成装置

    公开(公告)号:US09042784B2

    公开(公告)日:2015-05-26

    申请号:US13971932

    申请日:2013-08-21

    IPC分类号: G03G15/00

    CPC分类号: G03G15/757

    摘要: A rotating-body driving device that includes a rotating body; a driving source; a reduction gear that includes an output shaft and a gear rotating at a non-integer ratio of rotation period to a rotation period of the output shaft, and the reduction gear reducing rotation speed of the driving source; a pulse-signal generating unit; a pulse-count storage unit; a speed-fluctuation storage unit that stores therein a rotation speed fluctuation of the output shaft; and a driving-source control unit. The driving-source control unit detects the speed fluctuation information associated with the accumulated number of pulse signals from the speed-fluctuation storage unit, and performs for the driving source a feedforward control to set off the rotation speed fluctuation.

    摘要翻译: 一种旋转体驱动装置,包括旋转体; 一个驱动源; 减速齿轮,其包括输出轴和以旋转周期的非整数比转换到输出轴的旋转周期的齿轮,以及所述减速齿轮降低所述驱动源的旋转速度; 脉冲信号发生单元; 脉冲计数存储单元; 速度波动存储单元,其存储输出轴的转速波动; 和驱动源控制单元。 驱动源控制单元检测与来自速度波动存储单元的脉冲信号的累积数量相关联的速度变动信息,并且对驱动源执行前馈控制以消除转速波动。

    Drive transmission unit and image forming apparatus including same
    94.
    发明授权
    Drive transmission unit and image forming apparatus including same 有权
    驱动传动单元和包括它的成像设备

    公开(公告)号:US08845472B2

    公开(公告)日:2014-09-30

    申请号:US13556475

    申请日:2012-07-24

    IPC分类号: F16H57/04 G03G15/00

    摘要: A drive transmission unit includes a planetary gear mechanism. The planetary gear mechanism includes an outer gear rotatably disposed on a shaft, a sun gear rotated by a power source, coaxially disposed on the same shaft as the outer gear, multiple planetary gears to engage the sun gear and the outer gear, disposed along an inner circumferential surface of the outer gear, a carrier rotatable on the same shaft as the outer gear to rotatably support the planetary gears, a contact member that contacts the sun gear as the sun gear moves in a direction of thrust due to engagement with the plurality of planetary gears, and a grease retaining portion to retain grease near a contact portion at which the sun gear contacts the contact member as the sun gear moves in the direction of thrust. The outer gear, the sun gear, and the planetary gears are helical gears.

    摘要翻译: 驱动传递单元包括行星齿轮机构。 行星齿轮机构包括可旋转地设置在轴上的外齿轮,通过与外齿轮同轴地设置在同一轴上的动力源旋转的太阳齿轮,多个行星齿轮接合太阳齿轮和外齿轮,沿着 外齿轮的内圆周表面,可在与外齿轮相同的轴上旋转的支架,以可旋转地支撑行星齿轮;接触构件,当太阳齿轮由于与多个齿轮的啮合而沿着推力方向移动时接触太阳齿轮; 的行星齿轮,以及油脂保持部,用于在太阳齿轮沿着推力方向移动时,将太阳轮与接触构件接触的接触部分处保持油脂。 外齿轮,太阳齿轮和行星齿轮是斜齿轮。

    Driving device and image forming apparatus
    95.
    发明授权
    Driving device and image forming apparatus 失效
    驱动装置和图像形成装置

    公开(公告)号:US08585537B2

    公开(公告)日:2013-11-19

    申请号:US13064132

    申请日:2011-03-08

    IPC分类号: F16H57/08 F16H48/30

    摘要: A driving device includes a planetary gear deceleration mechanism in a transmission path that transmits driving force from a driving motor to a driven member, in which the deceleration mechanism includes first and second support units into which a housing that constitutes a mechanism main body is divided, the first support unit includes carriers of at least one stage and pinion gears supported thereby, and is provided with an output unit in the carrier of the final stage, the second support unit includes an output shaft that is detachable from the output unit and a supporting unit for the output shaft, and the output shaft is supported in an insertable and removable manner with respect to the output unit of the carriers in the first and the second support units that are joined to each other.

    摘要翻译: 驱动装置包括:传动路径中的行星齿轮减速机构,其将来自驱动马达的驱动力传递到从动构件,其中减速机构包括构成机构主体的壳体被分割成的第一和第二支撑单元, 第一支撑单元包括由其支撑的至少一个载物台和小齿轮的载体,并且在最后一个载物台中设置有输出单元,第二支撑单元包括可从输出单元拆卸的输出轴和支撑 单元,并且输出轴相对于彼此连接的第一和第二支撑单元中的托架的输出单元以可插入和可移除的方式被支撑。

    Drive device and image forming apparatus including same
    96.
    发明授权
    Drive device and image forming apparatus including same 有权
    驱动装置及包括其的图像形成装置

    公开(公告)号:US08503910B2

    公开(公告)日:2013-08-06

    申请号:US13067114

    申请日:2011-05-10

    申请人: Hiromichi Matsuda

    发明人: Hiromichi Matsuda

    IPC分类号: G03G15/00

    摘要: A drive device to rotatively drive N number of image carriers. The drive device includes a single drive motor to generate torque to be transmitted to the image carriers, N number of drive gears to transmit the torque to the image carriers, an input gear rotatively driven by the torque and engaging a first drive gear to transmit the torque to the first drive gear, and N−1 number of idler gears provided between each of the drive gears, respectively, to transmit the torque from the drive gears provided on an upstream side to the drive gears provided on a downstream side in a direction of transmission of torque. The torque generated by the drive motor is sequentially transmitted from the first drive gear to the Nth drive gear via the idler gears to rotatively drive the image carriers.

    摘要翻译: 用于旋转驱动N个图像载体的驱动装置。 驱动装置包括单个驱动马达以产生传递到图像载体的扭矩,N个驱动齿轮以将扭矩传递到图像载体;输入齿轮,通过扭矩旋转驱动并与第一驱动齿轮啮合, 分别设置在每个驱动齿轮之间的N-1个空转齿轮,用于将设置在上游侧的驱动齿轮的扭矩传递到设置在上游侧的下游侧的驱动齿轮 的扭矩传递。 由驱动电动机产生的扭矩通过空转齿轮从第一驱动齿轮依次传递到第N驱动齿轮,以便旋转地驱动图像载体。

    PLANETARY GEAR UNIT AND IMAGE FORMING APPARATUS INCLUDING SAME
    97.
    发明申请
    PLANETARY GEAR UNIT AND IMAGE FORMING APPARATUS INCLUDING SAME 有权
    行星齿轮单元和图像形成装置,包括它们

    公开(公告)号:US20120196720A1

    公开(公告)日:2012-08-02

    申请号:US13356096

    申请日:2012-01-23

    IPC分类号: F16H57/08

    摘要: A planetary gear unit including a sun gear rotatable by torque from a drive source, an outer gear disposed coaxially with the sun gear, multiple planetary gears disposed within the outer gear at equal intervals along an inner circumference of the outer gear to engage the sun gear and the outer gear, a carrier pin to rotatably support each of the multiple planetary gears, and a carrier rotatable coaxially with the sun gear and the outer gear to support both ends of the carrier pin. At least a first end of the carrier pin is constructed of a circular portion and a linear portion to form a first supported part. The carrier includes a first support part that supports the first supported part and is formed to position the circular portion of the first supported part downstream from the linear portion in a direction of rotation of the carrier.

    摘要翻译: 一种行星齿轮单元,其包括能够通过来自驱动源的扭矩旋转的太阳齿轮,与太阳齿轮同轴设置的外齿轮,沿着外齿轮的内周以等间隔设置在外齿轮内的多个行星齿轮,以接合太阳齿轮 外齿轮,可旋转地支撑多个行星齿轮中的每一个的承载销,以及与太阳齿轮和外齿轮同轴旋转的支架,以支撑承载销的两端。 承载销的至少第一端由圆形部分和直线部分构成以形成第一支撑部分。 载体包括支撑第一支撑部分的第一支撑部分,并且形成为将第一支撑部分的圆形部分沿着支架的旋转方向从直线部分的下游定位。

    Belt drive controlling device, belt device using the belt drive controlling device, and image forming apparatus using the belt device
    98.
    发明授权
    Belt drive controlling device, belt device using the belt drive controlling device, and image forming apparatus using the belt device 有权
    皮带驱动控制装置,使用皮带驱动控制装置的皮带装置以及使用皮带装置的图像形成装置

    公开(公告)号:US07848689B2

    公开(公告)日:2010-12-07

    申请号:US12061307

    申请日:2008-04-02

    IPC分类号: G03G15/01

    摘要: A belt drive controlling device for controlling drive of an endless belt supported and driven by plural support rollers including a driving roller configured to drive the endless belt to rotate; and a driven roller which is rotated by the endless belt. The device performs arithmetic processing to extract one of two pieces of rotation variation information on two rollers of the support rollers, and perform controlling drive of the belt on the basis of the rotation variation information. A belt device including a belt, plural support rollers, a driving source, the belt drive controlling device, and a detector configured to detect rotation angular displacement or rotation angular velocity of two of the support rollers. An image forming apparatus including an image bearing member, a developing device and a transfer device, wherein the image bearing member and/or the transfer device includes the belt device.

    摘要翻译: 一种带驱动控制装置,用于控制由多个支撑辊支撑和驱动的环形带的驱动,该支撑辊包括构造成驱动环形带旋转的驱动辊; 以及由环形带旋转的从动辊。 该装置进行运算处理以提取支承辊的两个辊上的两个旋转变化信息中的一个,并且基于旋转变化信息执行带的控制驱动。 一种皮带装置,包括皮带,多个支撑辊,驱动源,皮带驱动控制装置以及被配置为检测两个支撑辊的旋转角位移或旋转角速度的检测器。 一种图像形成装置,包括图像承载部件,显影装置和转印装置,其中图像承载部件和/或转印装置包括带装置。

    Imaging apparatus adjusting a rotational stop phase based on a calculated rotational phase
    99.
    发明授权
    Imaging apparatus adjusting a rotational stop phase based on a calculated rotational phase 有权
    成像装置,基于所计算的旋转相位来调节旋转停止相位

    公开(公告)号:US07778575B2

    公开(公告)日:2010-08-17

    申请号:US11687095

    申请日:2007-03-16

    IPC分类号: G03G15/00 G03G15/01

    摘要: An imaging apparatus is disclosed that includes plural image carriers on which different-colored toner images are formed, the image carriers being driven and rotated to transfer the different-colored toner images onto one of an endless transfer member that is driven to rotate in contact with the image carriers or a transfer material that is carried by the endless transfer member. The imaging apparatus includes a phase calculating unit that extracts a periodic rotational variation component of each of the image carriers from a combination of periodic rotational variation components generated within said imaging apparatus and calculates a rotational phase of each of the image carriers based on the extracted periodic rotational variation component, and a rotational phase adjusting unit that adjusts a rotation stop phase of each of the image carriers based on the calculated rotational phase.

    摘要翻译: 公开了一种成像装置,其包括多个图像载体,其上形成有不同颜色的调色剂图像,所述图像载体被驱动并旋转,以将不同颜色的调色剂图像转印到被驱动以与 图像载体或由循环传递构件承载的转印材料。 成像装置包括相位计算单元,其从在所述成像装置内生成的周期性旋转变化分量的组合中提取每个图像载波的周期性旋转变化分量,并且基于提取的周期性计算每个图像载波的旋转相位 旋转变化分量,以及旋转相位调整单元,其基于计算出的旋转相位来调整每个图像载体的旋转停止相位。