| 摘要 |
In a pen having a constant ink supplying device, the inner wall of the front end of the filler is installed sequentially with a barrel, a plug, a valve, a nib holder and a nib. The plug has a channel for feeding ink through the control of a ball. The front end of the plug is installed with a valve. A cavity for storing ink is installed between the valve and the plug. The nib is inserted into the nib holder. The front end of the filler has a support and an ink inlet. When writing, the nib is pressed and moves so that the support at the front end of the nib holder will push the valve and supply ink to the nib.
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