JPS625977U

JPS625977U -

Info

Publication number: JPS625977U
Application number: JP9842385U
Authority: JP
Priority date: 1985-06-28
Filing date: 1985-06-28
Publication date: 1987-01-14

Description

[Brief explanation of the drawing]

第１図乃至第１１図は本考案の一実施例を示し
、第１２図と第１３図は従来例を示す。第１図は
第１実施例を示す要部縦断面図、第２図は第１図
の―線横断面図、第３図は同じく斜視図、第
４図は第２実施例を示す一部省略縦断面図、第５
図は第４図の―線横断面図、第６図は同じく
前方部の斜視図、第７図は第２実施例のペン先を
得る手段例を説明するための一部省略縦断面図、
第８図は第７図の変形例を示す要部縦断面図、第
９図は第３実施例を示す一部省略縦断面図、第１
０図は第９図の―線横断面図、第１１図は第
４実施例を示す横断面図（第５図や第１０図に相
当）、第１２図は従来例を示す要部縦断面図、第
１３図は第１２図の―線横断面図である。Ａ_１，Ａ_２，Ａ_３，Ａ_４……ペン先、１_１……
外殻部、１_２，１_３，１_４……外部材、２_１……
内実部、２_２，２_３，２_４……内部材、３_１，３
_２，３_３，３_４……インキ通路、４_１，４_２……
筆記当接部たる先端面、５_１，５_２……インキ溜
り部となる環状の凹部、１_２ａ……内孔、２_２ａ
……先端部、２_２ｂ……後端部、１_４ｂ……内方
突条、２_４ｃ……放射突条。 1 to 11 show an embodiment of the present invention, and FIGS. 12 and 13 show a conventional example. Fig. 1 is a vertical cross-sectional view of a main part showing the first embodiment, Fig. 2 is a cross-sectional view taken along the line - - of Fig. 1, Fig. 3 is a perspective view of the same, and Fig. 4 is a part showing the second embodiment. Abbreviated longitudinal sectional view, No. 5
The drawings are a cross-sectional view taken along the line -- in FIG. 4, FIG. 6 is a perspective view of the front part, and FIG. 7 is a partially omitted longitudinal sectional view for explaining an example of means for obtaining the pen tip of the second embodiment.
FIG. 8 is a vertical sectional view of main parts showing a modification of FIG. 7, FIG. 9 is a partially omitted vertical sectional view showing the third embodiment, and FIG.
Figure 0 is a cross-sectional view taken along the line - in Figure 9, Figure 11 is a cross-sectional view showing the fourth embodiment (corresponding to Figures 5 and 10), and Figure 12 is a vertical cross-section of main parts showing the conventional example. 13 is a cross-sectional view taken along the line -- in FIG. 12. A ₁ , A ₂ , A ₃ , A ₄ ... Pen tip, 1 ₁ ...
Outer shell part, 1 ₂ , 1 ₃ , 1 ₄ ... External material, 2 ₁ ...
Internal part, 2 ₂ , 2 ₃ , 2 ₄ ... Internal material, 3 ₁ , 3
₂ , 3 ₃ , 3 ₄ ... Ink passage, 4 ₁ , 4 ₂ ...
Tip surface serving as a writing contact portion, 5 ₁ , 5 ₂ ... Annular recess serving as an ink reservoir, 1 ₂ a... Inner hole, 2 ₂ a
...Tip portion, 2 ₂ b... Rear end portion, 1 ₄ b... Inner protrusion, 2 ₄ c... Radial protrusion.

Claims

[Scope of utility model registration request]

What is claimed is: 1. A pen nib having a flat writing abutting portion, the writing abutting portion having an annular recess formed therein to serve as an ink reservoir.