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    • 9. 发明公开
    • Wire-dot printing heads
    • Druckkopf mitDruckdrähten。
    • EP0576274A2
    • 1993-12-29
    • EP93304915.7
    • 1993-06-23
    • FUJITSU LIMITED
    • Miura, Shigeo, c/o Fujitsu Ltd.Oshime, Yuji, c/o Fujitsu Ltd.
    • B41J19/04B41J2/275B41J2/235
    • B41J2/295B41J2/235B41J29/377
    • A wire-dot printing head (10) has a housing (18) in which a plurality of actuator assemblies (32) are accommodated to drive a plurality of wire elements (66). An annular hollow space (68) may be formed in a side wall of the housing (18) surrounding the actuator assemblies (32), whereby noise and vibration produced during operation of the actuator assemblies (32) can be effectively damped due to the formation of the annular hollow space (68). A interior region of the housing (18) may be partially charged with gel-like damping material for damping the noise and vibration, a hollow space being formed in the charged damping material so as to reduce the increase in the inertial mass of the printing head (10).
    • 线点打印头具有容纳多个致动器组件(32)以驱动多个线元件(66)的壳体(18)。 可以在围绕致动器组件的壳体的侧壁中形成环形中空空间(68),由此由于形成环形中空空间,致动器组件的操作期间产生的噪声和振动可被有效地阻尼。 壳体的内部区域可以部分地带有用于阻尼噪声和振动的凝胶状阻尼材料,在充电的阻尼材料中形成中空空间,以减少打印头的惯性质量的增加。