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    • 9. 发明授权
    • Continuous paper feed prevention lock mechanism for printer
    • 打印机连续进纸防止锁定机构
    • US5305068A
    • 1994-04-19
    • US872834
    • 1992-04-23
    • Tsutomu SatoMasatoshi TakanoTaizo SaitoHiroyuki Yamaguchi
    • Tsutomu SatoMasatoshi TakanoTaizo SaitoHiroyuki Yamaguchi
    • B41J11/30B41J15/04B65H20/20G03G21/00G03G15/00
    • B41J15/04B41J11/30B65H20/20
    • A printer, for printing on continuous recording paper, includes tractors disposed in the recording paper feed path of the printer, with each of the tractors circumferentially travelling in synchronism with movement of the continuous recording paper when the tractors engage feed holes of the continuous paper. When no printing operation is performed, travel of the tractors can be prevented by operation of an electromagnetic clutch, or a combination of one way clutches. Further, the printer uses an electrophotographic method wherein when no printing operation is performed, a transfer charger or fixing roller can be retracted from an operational position. A lever, associated with movement of the transfer charge or fixing roller, is pressed against and locked with the pulley fixed to the rotating shaft of each of the tractors to thereby prohibit the movement of the tractor. Further, a swingable arm can be provided having an engaging projection capable of being locked with the feed holes of the continuous recording paper. The swingable arm is swung in association with the movement of the transfer charger or fixing roller, which can be retracted from the operational position when no printing operation is performed. Thus, the engaging projection is engaged with the feed hole of the continuous recording paper to thereby regulate the movement of the continuous recording paper.
    • 用于在连续记录纸上打印的打印机包括设置在打印机的记录纸馈送路径中的拖拉机,当拖拉机与连续纸张的进给孔接合时,每个拖拉机与连续记录纸的移动同步地沿周向行进。 当不执行打印操作时,可以通过操作电磁离合器或单向离合器的组合来防止拖拉机的行驶。 此外,打印机使用电子照相方法,其中当不执行打印操作时,转印充电器或定影辊可以从操作位置缩回。 与传送装料或定影辊的移动相关联的杆被固定在每个拖拉机的旋转轴上的滑轮压紧并锁定,从而禁止拖拉机的移动。 此外,可以提供具有能够与连续记录纸的进给孔锁定的接合突起的可摆动臂。 可转动臂与转印充电器或定影辊的移动相关联地摆动,当不进行打印操作时,可以从操作位置缩回。 因此,接合突起与连续记录纸的进给孔接合,从而调节连续记录纸的移动。