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    • 64. 发明授权
    • Mechanism for extruding and retracting a writing member of a writing
instrument
    • 书写工具的书写构件的挤压缩回机构
    • US4790678A
    • 1988-12-13
    • US66276
    • 1987-06-25
    • Toshio Araki
    • Toshio Araki
    • B43K24/08B43K25/02B43K24/04B43K24/12
    • B43K24/082B43K25/028
    • A mechanism for extruding and retracting the writing member of a writing instrument which is set ready for writing by pressing a clip member vertically movable in a slit bored in the rear side wall of a cylinder, but held in a protruded state while the writing instrument is not set for writing. The clip member presses a flexible working element arranged under the clip member and having a plurality of elastic zigzag bent portions. The working element thus pressed down axially extends to press the back of the writing member contained in the front part of the cylinder and energized backward by spring action and moves the writing member forward. The tip of the writing member is protruded from the opening at the front end of the cylinder and the clip holder of the clip member is held inside the slit during writing. On the other hand, the clip member is released from pressing the bent portions so as to restore the flexible working element to the bent condition in the original position and the clip holder of the clip member is again protruded from the side wall of the cylinder to place the writing instrument in the non-writing state.
    • 一种用于挤压和缩回书写工具的书写构件的机构,该书写工具通过按压在气缸的后侧壁中钻孔的狭缝中可垂直移动但在书写工具处于突出状态时保持的突出状态的夹子构件而准备好书写 没有写作。 夹子构件按压设置在夹子构件下面并具有多个弹性曲折弯曲部分的柔性工作元件。 这样被压下的工作元件轴向延伸,以挤压容纳在气缸前部的书写构件的背面并通过弹簧作用向后激励,并使书写构件向前移动。 书写构件的尖端从气缸前端的开口突出,并且夹子构件的夹持器在书写过程中保持在狭缝内。 另一方面,夹子构件从按压弯曲部分释放,以将柔性工作元件恢复到初始位置的弯曲状态,并且夹构件的夹持器从气缸的侧壁再次突出到 将书写工具置于非书写状态。