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    Dot printing apparatus
    7.
    发明授权
    Dot printing apparatus 失效
    点印机

    公开(公告)号：US3897865A

    公开(公告)日：1975-08-05

    申请号：US42383373

    申请日：1973-12-11

    Applicant: IBM

    Inventor： DARWIN DANIEL P ,  GRIFFING BRANDT M ,  KIEL HARRY S

    IPC: B41J2/25 ,  B41J2/26 ,  B41J2/265 ,  B41J3/12

    CPC classification number: B41J2/265

    Abstract: Wire matrix dot printing apparatus is disclosed in which a plurality of wire impact members are driven by electromagnetic means arranged in a circular pattern at the rear of a wire matrix print head. The wires are caused to converge following the arc of free bending in the wire from the circular array at the driver end to a parallel and colinear alignment at the printing or output end of the print head. The individual wires are continuously guided from the end where the drivers are located to a point where they are nearly parallel and colinear by utilizing an improved two-piece wire guide consisting of an inner cone with grooves on its surface and an outer shell which confines the wires to the grooves in the inner cone. The shape of the inner cone is such that the paths of the wires converge from a circular array at the driver end of the print head to a nearly colinear and parallel array at the output end of the print head.

    Abstract translation: 公开了一种线阵打印装置，其中多个线材冲击构件由布置在线阵列打印头后部的圆形图案的电磁装置驱动。 导线沿导线上的自由弯曲弧从驱动端处的圆形阵列收敛到在打印头的打印或输出端处的平行和共线对准。 通过使用改进的两件式电线导向器，其各个导线从驱动器所在的端部连续地引导到它们几乎平行并且共线的位置，该引导件包括在其表面上具有凹槽的内锥体和限定 电线到内锥体的凹槽。 内锥体的形状使得导线的路径从打印头的驱动器端处的圆形阵列会聚到在打印头的输出端处的几乎共线并联的阵列。

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