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    • 22. 发明授权
    • Image forming device
    • 图像形成装置
    • US07147391B2
    • 2006-12-12
    • US10711500
    • 2004-09-22
    • Hirofumi MatsushimaHiromasa YamagishiShuji Sakai
    • Hirofumi MatsushimaHiromasa YamagishiShuji Sakai
    • B41J13/03B41J13/10B41J13/036B41J11/04B41J29/38
    • B41J13/0018B41J11/0095B41J13/0027B41J13/103B41J13/223
    • The present invention provides an image forming device comprising a first roller mechanism for sending out printing paper from a paper feed tray accommodating the printing paper therein, a second roller mechanism for transporting the printing paper to a printing start position where formation of an image on the paper is started, and a power supply mechanism for giving power to the first roller mechanism and the second roller mechanism. The device transports the printing paper at a first transport speed from an accommodated position inside the feed tray to a first position where the paper is transportable by the second roller mechanism, by driving the first roller mechanism, discontinues the driving of the first roller mechanism by the power supply mechanism upon the printing paper reaching the first position, transports the printing paper from the first position to a second position where the paper is taken out of the feed tray at a second transport speed lower than the first transport speed by driving the second roller mechanism, and transports the printing paper from the second position to the printing start position at a third transport speed higher than the second transport speed by driving the second roller mechanism.
    • 本发明提供了一种图像形成装置,包括:第一辊机构,用于从容纳其中的打印纸的供纸盘送出打印纸;第二辊机构,用于将打印纸传送到打印开始位置, 纸张开始,以及用于向第一辊机构和第二辊机构供电的供电机构。 该装置以第一传送速度将进给托盘内的容纳位置的打印纸传送到第一位置,通过驱动第一滚筒机构可以通过第二滚轮机构传送纸张,纸张可以通过驱动第一滚筒机构而停​​止第一滚筒机构的驱动 打印纸上的供电机构到达第一位置时,将打印纸从第一位置传送到第二位置,在第二位置,纸以比第一输送速度低的第二传送速度从纸送出, 并且通过驱动第二辊机构以高于第二输送速度的第三输送速度将打印纸从第二位置传送到打印开始位置。
    • 24. 发明授权
    • Reversible thermal printer for printing in both directions on a page
    • 可逆式热敏打印机,用于在页面上双向打印
    • US5956068A
    • 1999-09-21
    • US792766
    • 1997-02-04
    • Yoshiaki OdaiMasaru Ohnishi
    • Yoshiaki OdaiMasaru Ohnishi
    • B41J2/32B41J2/325B41J11/00B41J13/00B41J13/036
    • B41J13/0045B41J13/036
    • A forward/backward printing thermal printer which brings a printing paper onto a printing member and performs a printing action in order to form an image. The printer comprises a thermal head which transfers the image onto the paper according to an image signal, a platen roller which moves the paper back and forth when it rotates, and a pair of which press the paper on the platen roller and cause it to move back and forth with the roller. When the paper moves and is no longer held on one side by a, the paper pressing means on the side where the paper has been released is moved on the outer circumference of the platen roller by a fan-shaped gear rotated by a drive gear so as to again grip the edge of the paper which is carried to the position of the other. In this way, the effective printing range on the paper is enlarged without any error in the paper's position or color due to the transport mechanism. The printer can also be made compact.
    • 一种向前/向后打印热敏打印机,其将打印纸带到打印部件上并执行打印动作以形成图像。 打印机包括根据图像信号将图像转印到纸张上的热敏头,当旋转时来回移动纸张的压纸辊,以及一对将纸张压在压纸辊上并使其移动 来回滚动。 当纸张移动并且不再被一侧固定在纸张被释放的一侧上的纸按压装置在压辊的外圆周上被由驱动齿轮旋转的扇形齿轮移动时 以再次抓住被携带到另一个的位置的纸张的边缘。 以这种方式,纸张上的有效打印范围由于传送机构而在纸张的位置或颜色上没有任何错误地扩大。 打印机也可以紧凑。
    • 28. 发明授权
    • Sheet loading device and method for a printing apparatus
    • 用于打印装置的纸张装载装置和方法
    • US4702632A
    • 1987-10-27
    • US765500
    • 1985-08-14
    • Mitsuhiro Taketani
    • Mitsuhiro Taketani
    • B41J11/44B41J13/036B41J13/20
    • B41J11/44B41J13/036
    • A printing apparatus is disclosed which comprises a platen roller for feeding a cut paper sheet set on a hopper, a paper bail bar having paper bail rollers used in conjunction with the platen roller to secure the cut paper sheet against the platen roller, and a paper loading mechanism for loading the cut paper sheet by causing rotation of the platen roller at a predetermined angle. The paper loading mechanism includes a paper bail switch for checking whether the paper bail roller is in contact with the platen roller. When it is detected by the paper bail switch that the paper bail roller is released from the platen roller, the platen roller is rotated in the normal direction at a first predetermined angle. When, it is detected by the paper bail switch that the paper bail rollers are in contact with the platen roller, the platen roller is rotated in the reverse direction at a second predetermined angle.
    • 公开了一种打印装置,其包括用于供给设置在料斗上的切割纸片的压纸滚筒,具有与压纸辊结合使用的纸吊环辊的纸吊环,以将切割的纸张固定在压纸辊上,纸张 通过使压纸辊以预定的角度旋转来装载切纸的装载机构。 纸张装载机构包括用于检查纸张吊环辊是否与压纸辊接触的纸张吊钩开关。 当通过纸张吊钩开关检测到纸卷筒辊从压纸辊中释放时,压纸辊以正常方向以第一预定角度旋转。 当通过纸吊钩开关检测到纸卷筒辊与压纸辊接触时,压纸辊以相反的方向以第二预定角度旋转。
    • 29. 发明授权
    • Paper sheet setting mechanism in a printer
    • 打印机中的纸张设置机构
    • US4601595A
    • 1986-07-22
    • US710272
    • 1985-03-11
    • Masahiko AibaKoichi Furukawa
    • Masahiko AibaKoichi Furukawa
    • B41J13/00B41J13/02B41J13/036B41J13/20B41J13/16
    • B41J13/20B41J13/02B41J13/036
    • A paper sheet setting mechanism in a printer such as an ink jet system printer includes a memory device which stores a desired left setting position at which a left paper pressing roller should be positioned, and a desired right setting position at which a right paper pressing roller should be positioned. C-shaped guide plates are secured to the paper pressing rollers. Each of the C-shaped guide plates includes a roof member which is made contact with a pritrusion secured to a printer head when a shaft of the paper pressing rollers is held at a first stable position. When the printer head is driven to shift while the shaft is held at the first stable position, the paper pressing rollers are shifted on the shaft and controlled to be positioned at the desired left and right setting positions, respectively.
    • 在诸如喷墨系统打印机的打印机中的纸张设置机构包括:存储装置,该存储装置存储要放置左纸张加压辊的期望的左设定位置,以及期望的右设定位置,在该期间右纸张加压辊 应该定位 C形导板固定在纸压辊上。 每个C形引导板包括顶盖构件,当屋顶构件与压纸辊的轴保持在第一稳定位置时,该屋顶构件与固定到打印机头上的突起接触。 当轴被保持在第一稳定位置时打印头被驱动移动时,纸张按压辊在轴上移动并分别被控制在所需的左右设置位置。
    • 30. 发明授权
    • Automatic paper roller release mechanism for teletype and electric
typewriters
    • 自动纸辊释放机构用于电传和电动打字机
    • US4426170A
    • 1984-01-17
    • US378513
    • 1982-05-17
    • John J. Buda
    • John J. Buda
    • B41J13/036
    • B41J13/036
    • A lever for moving a shaft which, in turn, moves pressure rollers away from the platen, against which the paper is held by the pressure rollers, is movable between first and second positions. The lever is urged, as by a spring, toward the first position which corresponds to the paper engaging position of the rollers. When moved to the second position, the lever is engaged by releasable holding means which is resiliently urged toward the lever but is retracted by electromagnetic means. The latter is energized by current supplied through two switches in series, one of which is closed when the lever is moved to the second position, and the other of which is closed when the carriage of the teletypewriter or the typewriter is returned. The switch closed by the lever, when open, with the lever in the first position, prevents the electromagnetic means from being energized each time the carriage returns, after the lever has been released through the electromagnetic means and is moved by the spring back to the first position.
    • 用于使轴移动的杆可以在第一和第二位置之间移动,所述轴又使压力辊远离压板移动,纸张被压力辊保持在该压板上。 杠杆被按照弹簧的方式被推向与辊的纸接合位置对应的第一位置。 当移动到第二位置时,杠杆通过可释放的保持装置接合,该保持装置被弹性地推向杠杆,但是被电磁装置缩回。 后者由通过两个串联的开关提供的电流通电,当杠杆移动到第二位置时,其中一个开关闭合,另一个在返回电传打字机或打字机的托架时闭合。 当杠杆处于打开状态时,当杠杆处于第一位置时,开关由开关闭合,防止每当托架返回时电磁装置通电,杠杆通过电磁装置释放并被弹簧移回到 第一名