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    • 32. 发明授权
    • Rotary drive device and image forming apparatus
    • 旋转驱动装置和成像装置
    • US09581953B2
    • 2017-02-28
    • US15019232
    • 2016-02-09
    • Naoyuki SuidoKeisuke ShimizuHiroaki TakagiKimiharu YamazakiTadahiro Satoh
    • Naoyuki SuidoKeisuke ShimizuHiroaki TakagiKimiharu YamazakiTadahiro Satoh
    • G03G15/01G03G15/00F16H57/00F16D1/076
    • G03G15/757F16D1/076F16D1/0894F16H57/0025
    • A rotary drive device includes a drive motor and drive transmission portion, which transmits a rotational drive force of the motor to a driven rotor and includes three or more drive transmission members. A high stiffness member is attached to a low-stiffness drive transmission member, which is one, lower in stiffness, of two of the drive transmission members, to increase stiffness of the low-stiffness drive transmission member. The two form a drive transmission point corresponding to a resonant point of a lowest resonance frequency among frequencies at a plurality of resonance points in frequency response characteristics derived from rotation information. One drive transmission point, which is on either a drive-transmission input side or output side, other than the drive transmission point corresponding to the resonant point of the lowest resonance frequency, of the low-stiffness drive transmission member is configured to transmit the rotational drive force through the high stiffness member.
    • 旋转驱动装置包括驱动电动机和驱动传递部分,其将电动机的旋转驱动力传递到从动转子并且包括三个或更多个驱动传递部件。 高刚性构件附接到低刚度驱动传动构件,其是两个驱动传动构件中的刚度较低的刚性驱动传动构件,以增加低刚度驱动传动构件的刚度。 这两个形成对应于从旋转信息导出的频率响应特性中的多个谐振点的频率中的最低谐振频率的谐振点的驱动传输点。 低刚度驱动传递部件的与驱动传递点相对应的驱动传递点以外的驱动传递输入侧或输出侧的一个驱动传递点被配置为传递旋转 驱动力通过高刚度构件。