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    • 3. 发明授权
    • Ribbon feeding device for printer
    • 打印机送丝装置
    • US5893669A
    • 1999-04-13
    • US843533
    • 1997-04-16
    • Makoto SugaiHiromi Hibino
    • Makoto SugaiHiromi Hibino
    • B41J33/388B41J33/14
    • B41J33/388
    • A ribbon feeding device for a printer, which is simple in structure and easy to assemble and in which engagement between a pinion supported on a carriage and a rack is maintained when the carriage for carrying a printing head moves toward and away from the rack without providing the rack with any engaging member. An arm is swingably supported on the carriage at one end thereof, and the pinion engaged with the rack and operatively connected with a transmission mechanism is rotatably supported on the other end of the arm. One end of a torsion coil spring for urging the pinion towards the rack is engaged with the arm and at the other end thereof is engaged with the carriage. In accordance with the movement of the carriage toward and away from the rack, the arm swings to keep the engagement between the pinion and the rack appropriately.
    • 一种用于打印机的色带供给装置,其结构简单且易于组装,并且当用于承载打印头的托架朝向和远离机架移动时,保持了支撑在托架上的小齿轮与齿条之间的接合,而不提供 具有任何接合构件的机架。 臂在其一端可摆动地支撑在滑架上,并且与齿条接合并与传动机构可操作地连接的小齿轮可旋转地支撑在臂的另一端上。 用于将小齿轮推向齿条的扭转螺旋弹簧的一端与臂接合,另一端与滑架接合。 根据滑架朝向和离开机架的运动,臂摆动以适当地保持小齿轮和机架之间的接合。