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    • 9. 发明授权
    • Multiplex typewriter for technical drawings
    • MULTIPLEX TYPEWRITER用于技术图纸
    • US3869033A
    • 1975-03-04
    • US38363373
    • 1973-07-30
    • IVANOV BORISLAV SIVANOVA RAINA V
    • IVANOV BORISLAV SIVANOVA RAINA V
    • B41J3/28B41J11/02B41J19/16
    • B41J3/28B41J11/02B41J19/16
    • The invention provides a multiplex typewriter for lettering technical drawings in Standard Technical Style and Sizes as fixed by The National Standards for Lettering Technical Drawings using a new method whereby any ''''National Standard Alphabet and Numerals for Lettering Technical Drawings'''' may be used on typing element faces. The apparatus and method permit lettering drawings by typing, and having the following possibilities: (1) All standard sizes of technical drawings can be accommodated by the machine, (2) A single machine can use as many as nine different standard sizes of given national standard alphabet and numerals. In a particular embodiment several typing keyboards are mounted on a stationary table around a vertically movable and rotatable common platen, this platen sliding over a stationary column, being movable vertically by a group of mechanical means driven by step motor drive, and being rotatable by another group of mechanical means driven by separate step motor drive. These drives are operated by a computer activated by any one of nine program selector devices each actuating selectively a ball type lettering head (in the case of keyboards equipped with such heads), or actuating normally a set of keys (in the case of keyboards equipped with keys).
    • 本发明提供了一种用于标准技术风格和尺寸的字母技术图纸的多功能打字机,其通过使用新方法的“国家标准技术图纸标准”所固定,其中可以在打字元件面上使用任何“国家标准字母和数字用于刻印技术图纸” 。 该设备和方法允许通过打字进行刻字图形,并具有以下可能性:(1)机器可以容纳所有标准尺寸的技术图纸,(2)单机可以使用多达9种不同标准尺寸的给定国家 标准字母和数字。 在特定实施例中,几个打字键盘安装在围绕可垂直移动和可旋转的共同压板的静止工作台上,该压板在静止柱上滑动,可由通过步进电机驱动驱动的一组机械装置垂直移动,并且可由另一个 一组由单独的步进电机驱动驱动的机械装置。 这些驱动器由由九个程序选择器装置中的任何一个启动的计算机操作,每个程序选择器装置中的每一个均选择性地致动球型刻字头(在配备有这种头的键盘的情况下),或者正常地驱动一组键(在配备键盘的情况下 用键)。