| 摘要 |
The invention relates to a writing implement for free writing liquid comprising: a closed reservoir containing the writing liquid, which has a discharge opening for the writing liquid as well as an additional opening; an elongated stylus, which is connected to the discharge opening of the reservoir and which is displaceably mounted, and; a valve, which is arranged in a connecting path of the stylus and reservoir and which interacts with the stylus in such a manner that when a force is exerted upon the stylus, the valve opens the connecting path, whereby the additional opening connects the reservoir to the surrounding area via an air line. |
