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    Type action for a power-driven typewriter
    7.
    发明授权
    Type action for a power-driven typewriter 失效
    键入动力驱动打字机的动作

    公开(公告)号：US4217056A

    公开(公告)日：1980-08-12

    申请号：US928179

    申请日：1978-07-26

    申请人： Hirokazu Oka

    发明人： Hirokazu Oka

    IPC分类号： B41J23/06 ,  B41J23/08 ,  B41J25/02

    CPC分类号： B41J23/06

    摘要： A simplified type action for a typewriter comprising a type bar linkage having a toothed driving pawl pivotally mounted on an intermediate lever connected to a type bar through a link, and a key lever linkage including a key lever having a hooked lever pivotally mounted thereon and adapted to be engaged by a blade or tooth on a constantly rotating power or snatch roll to initiate a cycle of printing operation. The trigger lever is yieldably pivotable by the driving pawl upon its return stroke to assure the restoration of the type bar linkage to its normal position. Motion transmitting means best suited for such type action is also disclosed in which the power roll is composed of a center shaft and a toothed member rotatably mounted thereon, and an energy storing motion transmitting spring connects and is adapted to impart the motion of the former to the latter.

    摘要翻译： 一种用于打字机的简化型动作，其特征在于，包括一种类型的杆状连杆机构，该连杆机构具有可枢转地安装在通过连杆连接到类型杆的中间杆上的齿形驱动棘爪，以及键杆连杆机构，其包括一个键杆， 通过不断旋转的动力或抓取辊上的刀片或齿接合以开始打印操作的循环。 触发杆在其返回行程时通过驱动爪可屈服地枢转，以确保类型杆连杆件恢复到其正常位置。 还公开了最适合于这种类型动作的运动传递装置，其中动力辊由中心轴和可旋转地安装在其上的齿形构件组成，并且能量存储运动传递弹簧连接并且适于将前者的运动 后者。