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    Differential lever actuator including differentially force-transmitting members which are not liable to break
    1.
    发明授权
    Differential lever actuator including differentially force-transmitting members which are not liable to break 失效
    差速杆致动器包括不易断裂的差动力传递部件

    公开(公告)号：US4518887A

    公开(公告)日：1985-05-21

    申请号：US582667

    申请日：1984-02-23

    申请人： Takeshi Yano ,  Izumu Fukui ,  Takeshige Hamatsuki ,  Eiichi Sato ,  Osamu Inui

    发明人： Takeshi Yano ,  Izumu Fukui ,  Takeshige Hamatsuki ,  Eiichi Sato ,  Osamu Inui

    IPC分类号： G06K15/00 ,  B41J2/295 ,  B41J7/04 ,  B41J9/38 ,  H01L41/09

    CPC分类号： B41J9/38 ,  B41J2/295 ,  H02N2/043

    摘要： In a differential lever actuator comprising transmission members (41, 42) for differentially transmitting oppositely sensed angular displacements from first and second weight points (P1, P3) of first and second lever members (31, 32) to first and second predetermined points (P2, P4) of a differential lever member (41), a distance between midpoints (S, T) between the first weight and predetermined points and between the second weight and predetermined points is kept constant irrespective of the angular displacements. Preferably, at least one transmission member should be perpendicular to a line passing through the related weight point and a fulcrum point (Q or R) of the associated one of the first and second lever members. When carried by the differential lever member for print of a dot, a rod should preferably have an axis passing through a point of intersection of the transmission members. Alternatively, the differential lever member should have a center of a rotational component of the distance (ST) at a point of percussion related to a reaction resulting from print of the dot. As a further alternative, at least one transmission member should be thicker than 0.05 times a length between the related weight and predetermined points.

    摘要翻译： 在差动杆致动器中，包括用于将第一和第二杠杆构件（31,32）的第一和第二加权点（P1，P3）的相反感测的角位移差分地传递到第一和第二预定点（P2）的差动杆构件（41,42） 差速杆构件（41）的P4（P4），第一重量和预定点之间以及第二重量与预定点之间的中点（S，T）之间的距离保持恒定，而与角位移无关。 优选地，至少一个传动构件应当垂直于通过相关重点的线和相关联的第一和第二杆构件之一的支点（Q或R）。 当由用于打印点的差速杆构件承载时，杆应优选地具有穿过变速构件的交叉点的轴线。 或者，差速杆构件应该具有在与打印点产生的反应相关的打击点处的距离（＆amp; upbar＆S）的旋转分量的中心。 作为另一替代方案，至少一个传输构件应该在相关重量和预定点之间的长度的0.05倍以上。

    Printing apparatus with large number of characters
    2.
    发明授权
    Printing apparatus with large number of characters 失效
    具有大量字符的打印设备

    公开(公告)号：US3881586A

    公开(公告)日：1975-05-06

    申请号：US36858873

    申请日：1973-06-11

    申请人： TOKYO JUKI INDUSTRIAL CO LTD

    发明人： ARVAI TIBOR

    IPC分类号： B41J1/00 ,  B41J1/46 ,  B41J3/01 ,  B41J7/04

    CPC分类号： B41J3/01 ,  B41J1/46

    摘要： This invention relates to a selective printing mechanism. The printing apparatus includes several carrousels which are themselves mounted on a principal rotating plate. Each carrousel supports, in addition to rotating cylinders having printing characters, charactercarrying elements fixed with respect to the plate of the respective carrousel. The principal rotating plate carries also rotating printing cylinders and character-supporting elements fixed with respect to its plate. The rotating unit thus constituted can be disposed horizontally behind the paper and the whole of this unit and of a percussion element is displaceable horizontally at each stroke, in order to type a line of characters. This apparatus has particularly efficient application to the construction of a typewriter for printing in the Chinese or Japanese languages.

    摘要翻译： 本发明涉及选择性打印机构。 打印装置包括本身安装在主旋转板上的多个转盘。 除了具有打印字符的旋转圆柱体之外，每个转盘还支撑相对于相应转盘固定的字符元件。 主旋转板还带有相对于其板固定的旋转印刷滚筒和字符支撑元件。 如此构成的旋转单元可以水平地布置在纸的后面，并且整个单元和整个冲击元件可以在每个行程水平移位，以便键入一行字符。 该装置对于打印机以中文或日文印刷的打印机的构造特别有效。