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    • 1. 发明授权
    • Typewriter with an erasing apparatus
    • 具有擦除装置的打字机
    • US4412755A
    • 1983-11-01
    • US332857
    • 1981-12-21
    • Hisao KurachiTakeo ItohHiroshi Onoda
    • Hisao KurachiTakeo ItohHiroshi Onoda
    • B41J29/36B41J29/16
    • B41J29/36
    • A typewriter driven by an electric motor and provided with a ribbon vibrator for moving an erase ribbon in place of an ordinary printing ribbon as an occasional substitution from original position to printing position according to operation of a printing device for common use to both to erase a mistyped character. The ribbon vibrator is normally retained in non-operative status by a retaining member, which is moved in response to depression of a correction key to a predetermined evacuation position to allow the ribbon vibrator to operate and locked there by a lock member. The lock member is associated with not only a release key but also a manual switch member for controlling power supply to the electric motor. The engagement between the lock member and the retaining member is released in response to a turning operation of the manual switch member to OFF position for automatically restoring the ribbon vibrator to the non-operative status.
    • 一种由电动机驱动的打印机,其具有带状振动器,用于根据通常使用的打印装置的操作将擦除色带代替普通打印色带作为偶然的从原始位置替换到打印位置,以同时擦除 错字符 带状振动器通常由保持构件保持在非操作状态,保持构件响应于校正键按压到预定的抽空位置而移动,以允许带状振动器通过锁定构件操作并锁定在那里。 锁定构件不仅与释放键相关联,而且与用于控制对电动机的供电的手动开关构件相关联。 响应于手动开关构件的转动操作到OFF位置,锁定构件和保持构件之间的接合被释放,以将带状振动器自动恢复到非操作状态。
    • 2. 发明授权
    • Typewriter with an erasing apparatus
    • 具有擦除装置的打字机
    • US4382705A
    • 1983-05-10
    • US285035
    • 1981-07-20
    • Hisao KurachiTakeo ItohHiroshi OnodaKiyomichi OkadoSusumu Kuzuya
    • Hisao KurachiTakeo ItohHiroshi OnodaKiyomichi OkadoSusumu Kuzuya
    • B41J19/36B41J29/36
    • B41J29/36
    • A typewriter with a character erasing apparatus capable of consecutively erasing a series of characters as well as a single character once printed on a sheet of printing paper. The typewriter is provided with a retaining crank movable to first, second and third positions. In the first position the retaining crank retains a ribbon vibrator supporting an erase ribbon in non-operative status. In the second position the retaining crank permits the ribbon vibrator to operate while interrupting transmission of power for moving a platen. The retaining crank is automatically restored to the first position in response to return movement of the ribbon vibrator after the single character erasing. The retaining crank is moved to and held at the third position by a manual member for permitting the ribbon vibrator to operate consecutively. The retaining member does not interrupt the transmission of the power for moving the platen. Therefore, while the retaining crank is in the third position a series of characters are consecutively erased by usual typing.
    • 具有字符擦除装置的打字机,能够连续地擦除一系列字符以及一次打印在一张打印纸上的单个字符。 打字机设置有可移动到第一,第二和第三位置的保持曲柄。 在第一位置,保持曲柄保持带状振动器,其支撑着非操作状态的擦除带。 在第二位置,保持曲柄允许带状振动器在中断用于移动压盘的动力传递的同时操作。 响应于单个字符擦除后带状振动器的返回运动,保持曲柄自动恢复到第一位置。 保持曲柄通过用于允许带状振动器连续操作的手动构件移动并保持在第三位置。 保持构件不会中断用于移动压板的动力的传递。 因此,当保持曲柄处于第三位置时,通过通常的打字连续地擦除一系列字符。
    • 3. 发明授权
    • Power-operated typewriter
    • 电动打字机
    • US4407592A
    • 1983-10-04
    • US238228
    • 1981-02-26
    • Hisao KurachiTakeo ItoHiroshi Onoda
    • Hisao KurachiTakeo ItoHiroshi Onoda
    • B41J29/38B41J23/04B41J29/56B41J29/60B41J23/08
    • B41J29/56
    • The typewriter has a powered motor, an electric power switch, a drive shaft driven by the motor, a driven mechanism including printing and carriage return mechanisms connected to the drive shaft by way of respective clutches, and locking device for locking the clutches in their disconnect state. The locking device consist essentially of a cam portion on a manually operable member designed for turning on and off the switch, and a locking element actuated by the cam portion. When the manually operable member is actuated for turning off the switch, the clutches are locked in their disconnect state by the cam portion through the locking member. During cessation of the motor operation, these clutches may not be connected by faulty manipulation of the key or keys associated with the driven mechanism for reliably preventing incidental printing or carriage return movements upon restarting of the motor from occuring.
    • 打字机具有动力电动机,电力开关,由电动机驱动的驱动轴,包括通过相应离合器连接到驱动轴的打印机和回转机构的从动机构,以及用于将离合器锁定在其断开状态的锁定装置 州。 锁定装置基本上由设计用于打开和关闭开关的手动操作构件上的凸轮部分和由凸轮部分致动的锁定元件组成。 当可手动操作的构件被致动以关闭开关时,离合器通过锁定构件被凸轮部分锁定在其断开状态。 在停止电动机操作期间,这些离合器可能不会通过与驱动机构相关联的钥匙或钥匙的错误操作来连接,以便可靠地防止马达重新启动时的偶然打印或回车移动。
    • 4. 发明授权
    • Typewriter
    • 打字机
    • US4401395A
    • 1983-08-30
    • US238552
    • 1981-02-26
    • Hisao KurachiTakeo ItoHiroshi Onoda
    • Hisao KurachiTakeo ItoHiroshi Onoda
    • B41J33/14B41J35/10B41J35/22B41J29/42
    • B41J35/22B41J35/10
    • The typewriter has a drive mechanism including a vibrating mechanism and a feeding mechanism for a correction ribbon. The vibrating mechanism has a pair of ribbon vibrators, a cam follower provided to one of the vibrators, an eccentric cam designed to make one complete revolution for each printing operation in response to depression of associated key, and a spring member for resiliently biasing the cam follower toward the peripheral surface of the eccentric cam. The feeding mechanism has a pair of spindles for carrying ribbon spools, a ratchet wheel mounted on one of the spindles and a feed lever connected to the other vibrator. Upon depression of a correction key for setting the ribbon vibrators to be actuatable, followed by depression of an alphanumeric key, the ribbon vibrators are actuated by rotion of the eccentric cam so that the correction ribbon is raised from its inoperative position to its operative position. When the correction ribbon is lowered from its operative position to its inoperative position, the feed lever is actuated in timing with the return stroke of the ribbon vibrators for feeding the correction ribbon a predetermined length.
    • 打字机具有驱动机构,该驱动机构包括用于校正带的振动机构和进给机构。 振动机构具有一对带状振动器,设置在振动器中的一个振动器上的凸轮从动件,用于响应于相关键的按压而为每次打印操作而进行一整圈的偏心凸轮,以及用于弹性偏置凸轮 朝向偏心凸轮的周边表面。 进给机构具有用于传送带状卷轴的一对主轴,安装在其中一个主轴上的棘轮和连接到另一个振动器的进给杆。 当按下用于将色带振动器设置为可启动的校正键时,随后按下字母数字键,通过偏心凸轮的旋转使色带振动器致动,使得校正色带从其不工作位置升高到其操作位置。 当校正带从其操作位置降低到其不工作位置时,馈送杆在带状振动器的返回行程的定时被致动,用于将校正带馈送预定长度。