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    • 1. 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。
    • 8. 发明申请
    • Switch actuation device, interlock system, and image forming apparatus incorporating switch actuation device
    • 开关致动装置,互锁系统和包括开关致动装置的成像装置
    • US20110214972A1
    • 2011-09-08
    • US13064013
    • 2011-03-02
    • Keisuke Shimizu
    • Keisuke Shimizu
    • H01H3/04
    • H01H3/04
    • A switch actuation device for turning on and off a switch in accordance with one of movement and rotation of at least two movable members. The switch actuation device comprises a first shaft, a supporting member swingably or rotatably disposed around the first shaft in response to movement or rotation of a first one of the at least two movable members, a second shaft disposed in the supporting member. A swingable lever is supported by the second shaft with its both ends being swingable, one of said both ends including a switch actuation section activating the switch. The swingable lever swings around the second shaft in response to movement or rotation of a second one of the at least two movable members. The switch actuation section of the swingable lever activates the switch when the supporting member and the swingable lever swing at the same time in response to the movement or the rotation of the first and second one of the at least two movable members, respectively. The switch actuation section of the swingable lever includes a cam.
    • 一种开关致动装置,用于根据至少两个可动构件的运动和旋转之一来接通和断开开关。 开关致动装置包括第一轴,支撑构件,响应于所述至少两个可移动构件中的第一个的移动或旋转而围绕第一轴可摆动地或可旋转地设置,设置在支撑构件中的第二轴。 可摆动杆由第二轴支撑,其两端可摆动,所述两端中的一个包括启动开关的开关致动部。 响应于所述至少两个可移动构件中的第二个的移动或旋转,所述可摆动杆围绕所述第二轴摆动。 当支撑构件和可摆动杆分别响应于至少两个可移动构件中的第一和第二可移动构件的移动或旋转同时摆动时,可摆动杆的开关致动部分启动开关。 摆动杆的开关致动部包括凸轮。