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    • 1. 发明授权
    • Keyboard for office machines
    • 办公机器键盘
    • US4027763A
    • 1977-06-07
    • US710671
    • 1976-08-02
    • Rinaldo Salto
    • Rinaldo Salto
    • B41J7/32B41J23/18B41J23/02
    • B41J7/32B41J23/18
    • A keyboard for a typewriter, teleprinter, calculator and similar office machines comprises a series of keys, a series of setting elements selectable by the keys and a group of code bars. A setting spring moves a common setting member which positions the selected setting element on the trajectory of the code-bars. A bridge controls the code-bars and is positioned, through a cam, by a driven part of a starting clutch for a setting cycle. An intermediate member connects the common setting member with a releasing member of the starting clutch, and when the key is depressed, the intermediate member activates the starting clutch after a predetermined path of the setting member. A series of flexible laminae are flexed by the selected setting element and successively arrest temporarily the returning at rest of the selected setting element avoiding the beginning of a new setting cycle in the case a key is kept depressed.
    • 用于打字机,电传打印机,计算器和类似办公机器的键盘包括一系列键,一组可由键选择的设置元素和一组代码栏。 调整弹簧移动将所选择的设定元素定位在码棒的轨迹上的公共设定部件。 桥接器控制代码栏,并且通过凸轮由起动离合器的从动部分定位用于设定循环。 中间构件将公共调节构件与起动离合器的释放构件连接,并且当按下键时,中间构件在设定构件的预定路径之后启动起动离合器。 通过所选择的设置元件弯曲一系列柔性薄片,并且在键被保持按压的情况下,连续地暂停地停止所选择的设置元素的返回,避免新的设置周期的开始。