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    • 7. 发明授权
    • Writing instrument with barrel and ferrule assembly
    • 书写工具与桶和套圈组装
    • US4341481A
    • 1982-07-27
    • US189051
    • 1980-09-22
    • Daniel W. Wollensak
    • Daniel W. Wollensak
    • B43K5/00B43K8/02B43K15/00B43K3/00B43K8/00
    • B43K5/005B43K8/02B43K8/026Y10T403/7045
    • A housing assembly for a writing instrument is provided comprising a long, hollow barrel member and a ferrule member assembled in end-to-end relationship to afford an inner chamber for a reservoir of marking fluid. A writing nib projects from the ferrule and extends into the reservoir.The ferrule member and the barrel member have adjacent skirt portions in telescoping assembled relation for normally mechanically urging the ferrule and barrel together in axial alignment. Additionally, the skirt portions, when moved longitudinally one into the other, afford fastening means, sealing means and means for constraining relative rotation between the assembled ferrule member and the barrel member thereby providing a securely sealed and easily assembled housing for a writing instrument.
    • 提供了一种用于书写工具的壳体组件,其包括长而中空的筒形构件和以端对端关系组装的套圈构件,以提供用于标记流体的储存器的内部腔室。 书写笔尖从套圈伸出并延伸到水槽中。 套圈构件和筒构件具有伸缩组装关系的相邻裙部,用于通常机械地将套圈和筒一起轴向对齐。 此外,裙部在纵向移动到另一个中时提供紧固装置,密封装置和用于限制组装的套圈构件和筒构件之间的相对旋转的装置,从而为书写工具提供牢固密封且容易组装的外壳。