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    • 24. 发明授权
    • Thin-profile copy holder
    • 薄型复制夹
    • US4554753A
    • 1985-11-26
    • US530194
    • 1983-09-09
    • J. Garth Close
    • J. Garth Close
    • B41J29/15B41J11/38
    • B41J29/15
    • A copy holder adapted to foster the efficient comparison of two sets of data, one of which is visible on a display associated with a computer, and the other being visible on a sheet of flexible material, e.g., a sheet of paper. The comparison is fostered by reducing the necessary eye travel as an operator switches his attention back and forth between the data on the flexible sheet and the data on the display. A structural housing having a thin profile supports the display device in front of a computer operator, such that an operator may still see the data that appears on the display screen. The housing has a frontal opening through which the sheet of flexible material may be manipulated by the operator; and it has a rear opening through which a surplus quantity of the flexible sheet may be pushed. A support member is provided for supporting the sheet of flexible material so that it is folded into a generally U-shape, and a frontal section of the support member holds the flexible sheet so as to expose to view a transverse portion of the flexible sheet at a location that is vertically adjacent the display--and preferably immediately below the display. After data on a given transverse portion of the sheet has been utilized, the sheet is moved to present a fresh segment for examination.
    • 一种复制架,适于促进两组数据的有效比较,其中一组数据在与计算机相关联的显示器上可见,另一组在一张柔性材料(例如一张纸)上可见。 通过减少必要的眼睛行程来促进比较,因为操作员在柔性片材上的数据和显示器上的数据之间来回切换他的注意力。 具有薄型材的结构外壳支撑显示装置在计算机操作员之前,使得操作者可能仍然看到出现在显示屏幕上的数据。 外壳具有正面开口,柔性材料片可以由操作者操纵; 并且其具有后部开口,通过该后开口可以推动剩余量的柔性片。 提供支撑构件以支撑柔性材料片,使得其折叠成大致U形,并且支撑构件的前部保持柔性片,以便暴露以观察柔性片的横向部分 垂直邻近显示器的位置,最好在显示器的正下方。 在使用片材的给定横向部分的数据之后,片材被移动以呈现新的片段用于检查。
    • 26. 发明授权
    • Platen and paper roll support and drive mechanism
    • 压板和纸卷支撑和驱动机构
    • US3915281A
    • 1975-10-28
    • US41385273
    • 1973-11-08
    • VICTOR COMPTOMETER CORP
    • BLOMQUIST JAMES EWILCZEWSKI ROBERT HCASTELLANOS RAFAEL A
    • B41J11/38B41J11/04B41J15/04B41J15/16B41J19/76B41J11/20
    • B41J11/04
    • Paper feed mechanism for printer for electronic calculator comprises simplified paper roll support having readily removable shaft with longitudinally spaced peripheral grooves and sleeve slidable and rotatable on shaft to engage flexible inturned flange at one of its ends with a selected groove and outwardly extending flange at other end of sleeve thereby engageable with edge of paper roll to guide and impose drag against unwinding of different width rolls, and paper feed including spring-backed pressure roller, hollow cylindrical platen with end caps pressfitted therein having central hubs press-fitted on platen shaft, one with internal ratchet gear, and external platen gear rotatable on platen shaft as part of platen drive train including spring-loaded drive coupling cooperating with internal ratchet gear, intermediate gear and cyclically rotatable worm gear which, together with a detent, prevent backlash and effect minimum acceleration without overspin, all providing a rigidly located printing surface with manual twirling of platen available to feed paper by virtue of drive coupling acting as break-away clutch.
    • 用于电子计算机的打印机的进纸机构包括简化的纸卷支架,其具有容易拆卸的轴,其具有纵向间隔开的周向凹槽和可在轴上滑动并可旋转的套筒,以在其一端具有柔性内翻凸缘,在另一端具有选定的凹槽和向外延伸的凸缘 从而可以与纸卷边缘接合,以引导和阻止不同宽度的卷筒的退绕,并且包括弹簧支撑的压力辊的进纸装置,压缩在其上的端盖的中空圆柱形压板具有压配在压板轴上的中心轮毂 一个具有内部棘轮齿轮,外部压板齿轮可在压板轴上旋转,作为压板传动系的一部分,其包括与内部棘轮齿轮,中间齿轮和可循环旋转的蜗轮配合的弹簧加载驱动联轴器,其与制动器一起防止齿隙和 效果最小加速度没有超标,都提供了一个刚性的地方 通过手动旋转压板可以通过作为脱离离合器的驱动联轴器进给纸张。
    • 27. 发明授权
    • Typewriter platen releasing mechanism having an elastically deformable gear disc
    • 打字机台板释放机构具有可弹性变形的齿轮盘
    • US3889794A
    • 1975-06-17
    • US41972373
    • 1973-11-28
    • NAKAJIMA ALL KK
    • TERASHIMA TOSHIKATU
    • B41J11/38B41J11/24B41J19/80
    • B41J11/24
    • A platen releasing mechanism in a typewriter, having a single spring disc incorporated in a clutching mechanism between a platen and a platen gear. The disc has gear serrations therearound and is adapted for engagement with associated gear serrations of the platen gear. The spring disc may be caused to be elastically deformed into a dished form, away from the platen gear, for disconnecting the platen from the platen gear by means of a push button disposed in a recess of a platen knob through an interlocking member. This releases the engagement of the platen with the platen gear for free manual rotation of the former, irrespective of the engagement between the platen gear and a line changing mechanism of the typewriter. This allows relocating at a printing position a previously typewritten line of characters, which may require the correction or letter or a addition of a letter or a character.
    • 打字机中的压板释放机构,其具有并入压板和压板齿轮之间的离合机构中的单个弹簧盘。 该盘在其周围具有齿轮锯齿,并且适于与压纸机齿轮的相关齿轮锯齿接合。 弹簧盘可以被弹性地变形成摆放形式,远离压板齿轮,用于通过设置在压盘旋钮通过互锁构件的凹部中的按钮将压板与压纸轮齿轮断开。 这样就可以释放压板与压板齿轮的啮合,从而使压板齿轮与打字机的换线机构之间的接合无论前者自由地手动旋转。 这允许在打印位置重新定位先前打字的字符行,其可能需要校正或字母或添加字母或字符。
    • 28. 发明授权
    • Printer drive with page record feed
    • 打印机驱动与页面记录进纸
    • US3647356A
    • 1972-03-07
    • US3647356D
    • 1970-02-13
    • MOTOROLA INC
    • FEDER ALVIN
    • B41J2/495B41J15/06B41J19/78B41J11/24B41J11/38
    • B41J2/495B41J15/06B41J19/78
    • A printer drive mechanism for a printer including a cylindrical platen and page record mechanism coaxially mounted on the platen shaft. A gear train connects the platen to the page record feed mechanism allowing synchronous but independent rotation of the platen and the page record feed mechanism, with the page record feed mechanism rotating at a slower rate than the platen. A stepping motor is used to rotate the platen, and printing occurs after each step of the motor thereby preventing the printed dot from blurring due to platen rotation or page record advancement.
    • 一种用于打印机的打印机驱动机构,其包括同轴地安装在压板轴上的圆柱形压板和页面记录机构。 齿轮系将压板连接到页面记录进给机构,允许压板和页面记录进给机构同步但独立的旋转,页面记录进给机构以比压盘更慢的速度旋转。 步进电机用于旋转压盘,并且在电动机的每个步骤之后进行打印,从而防止由于压板旋转或页面记录提前而导致的打印点模糊。