WRITING INSTRUMENT

To provide a writing instrument that can change the density or hue of writing lines while writing by injecting different inks with different densities or hues from a pen tip side using an operation unit and an injection mechanism provided in the writing instrument, and can determine a writing histor...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: NAKAJIMA TORU, FUKUDA CHIE, ETO NAMIKO, SAGAWA WATARU, MURAUCHI SHINYA, KAMIYA TOSHIFUMI, YONETANI AYA, NAKADA AKIHIRO
Format: Patent
Sprache:eng ; jpn
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Beschreibung
Zusammenfassung:To provide a writing instrument that can change the density or hue of writing lines while writing by injecting different inks with different densities or hues from a pen tip side using an operation unit and an injection mechanism provided in the writing instrument, and can determine a writing history or the like.SOLUTION: A writing instrument A includes: a pen tip 30 that can hold the ink in an impregnated state; a barrel member 10 that holds the pen tip 30 in a protruding state at a tip portion; an ink holder 20 provided in the barrel member 10 and capable of distributing the ink to and from the pen tip 30; and a cap 40 surrounding the pen tip 30. The writing instrument A is provided with an injection mechanism 45 for injecting another ink having a different density or hue from the pen tip 30 side and an operation unit 41 to change the density or hue of writing lines.SELECTED DRAWING: Figure 1 【課題】 ペン先側から濃度若しくは色相が異なる別インクを筆記具に備えた操作部と注入機構により注入することで、筆記しながら描線の濃度若しくは色相を変化させ、筆記履歴などを判別したりすることができる筆記具を提供する。【解決手段】インクを含浸状態に保持可能なペン先30と、先端部において前記ペン先30を突出状態に保持する軸筒部材10と、前記軸筒部材10内に設けられ前記ペン先30との間でインク流通可能なインク保持体20と、前記ペン先30を包囲するキャップ40とを有する筆記具であって、該筆記具Aにペン先30側から濃度若しくは色相が異なる別インクを注入する注入機構45と操作部41とが設けられ、筆記描線の濃度若しくは色相を変化させることを特徴とする筆記具A。【選択図】図1