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    • 42. 发明授权
    • Ribbon feed device including tensioning control means
    • 带状进给装置包括张紧控制装置
    • US4804283A
    • 1989-02-14
    • US115051
    • 1987-10-30
    • Minoru Imai
    • Minoru Imai
    • B41J33/18B41J35/04B41J35/10B41J33/52
    • B41J35/10
    • The invention provides a ribbon feed device wherein a ribbon take-up mechanism located on a ribbon frame which is mounted for up and down pivotal motion on a carrier and carrying thereon an elongated ribbon along a platen takes up the ribbon in response to upward pivotal motion of the ribbon frame in order to effect printing of a character or erasing of a printed character. During downward pivotal motion of the ribbon frame, the path of the ribbon is bent by a pressing member secured to the carrier to remove possible slacking of the ribbon which may appear along a ribbon feeding route upon printing or erasing operation so as to apply suitable tension to the ribbon.
    • 本发明提供了一种色带供给装置,其中位于色带框架上的色带卷取机构,其被安装用于在载体上上下枢轴运动并沿着压板承载细长色带,以响应于向上的枢轴运动来卷带色带 以便实现字符的打印或打印字符的擦除。 在带状框架的向下枢转运动期间,带的路径被固定到托架上的按压构件弯曲,以消除在打印或擦除操作时沿着色带馈送路线可能出现的色带的可能松弛,以便施加合适的张力 到了丝带。