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    • 9. 发明申请
    • IMAGE FORMING APPARATUS
    • 图像形成装置
    • US20160152041A1
    • 2016-06-02
    • US14947474
    • 2015-11-20
    • Masahiro ISHIDANaoki MATSUDA
    • Masahiro ISHIDANaoki MATSUDA
    • B41J2/47G06K15/12H04N1/113
    • G03G15/043B41J2/471B41J29/02B41J29/10B41J29/13B41J29/17G06K15/12H04N1/113
    • An image forming apparatus includes a light source, an optical deflector, an optical deflector casing, a bearing, and a sound absorption unit. The optical deflector reflects and deflects an optical beam emitted from the light source, having a rotational reflection member disposed on a rotation shaft to perform optical scanning. The optical deflector casing seals a space in which the optical deflector. The bearing rotatably supports the rotation shaft of the rotational reflection member with respect to the optical deflector casing, and includes at least portion exposed to an external space outside the sealed space of the optical deflector casing. The sound absorption unit is disposed opposite the exposed portion of the bearing with the external space therebetween.
    • 图像形成装置包括光源,光偏转器,光偏转器壳体,轴承和吸声单元。 光偏转器使从光源发射的光束反射并偏转,该光束具有设置在旋转轴上的旋转反射部件,以进行光学扫描。 光学偏转器壳体密封其中光学偏转器的空间。 所述轴承相对于所述光学偏转器壳体可旋转地支撑所述旋转反射构件的旋转轴,并且包括暴露于所述光学偏转器壳体的所述密封空间外侧的外部空间的至少一部分。 吸音单元与轴承的暴露部分相对设置,其间具有外部空间。