Novel pen
A fountain pen, a new type of technology, applied to ink pens with ink storage tubes in the pen holder, printing, writing utensils, etc., can solve problems such as unfavorable writing and poor ink circulation, and achieve the effect of convenient use
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[0013] Such as figure 1 As shown, the nib 2 communicates with the ink storage tube 3, and the ink storage tube 3 is provided with a piston 4 in a sliding and sealed manner. In order to prevent the piston 4 from falling off from the ink storage tube 3, a snap ring 5 is also provided in the ink storage tube 3. The piston 4 is fixed with a piston rod 7 extending to the outside of the ink storage tube 3, and the outside of the piston rod 7 is sleeved with a tension spring 6. One end of the tension spring 6 is fixed on the ink storage tube 3, and the other end of the tension spring 6 is fixed on the ink storage tube 3. One end is fixed on the outer end of piston rod 7.
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