JPH03101686U

JPH03101686U -

Info

Publication number: JPH03101686U
Application number: JP954290U
Authority: JP
Priority date: 1990-02-01
Filing date: 1990-02-01
Publication date: 1991-10-23

Description

[Brief explanation of drawings]

第１図は本願考案に係る筆記具の第一の実施例
を示した図、第２図は第１図の−線断面図、
第３図は第一の実施例の変形例を示した図、第４
図は第３図の−線断面図、第５図は第３図の
−線断面図、第６図は胴軸部の断面形状の変
形例を示した図、第７図は第二の実施例を示した
図、第８図は第７図の−線断面図、第９図は
第三の実施例を示した図、第１０図は第９図の
−線断面図、第１１図ないし第１５図は胴軸部
の断面形状の変形例を示した図、第１６図は本願
考案に係る筆記補助具の実施例を示した図、第１
７図は第１６図の−線断面図、第１８図
は従来例を示した図である。１……胴軸部、３……筆先部（ペン先）、４，
５，６，４′，５′，６′……指受支面、１３…
…胴体部、１４……筆記具挿着孔。 FIG. 1 is a diagram showing a first embodiment of the writing instrument according to the present invention, FIG. 2 is a sectional view taken along the line -- in FIG. 1,
Figure 3 is a diagram showing a modification of the first embodiment;
The figure is a sectional view taken along the - line in Fig. 3, Fig. 5 is a sectional view taken along the - line in Fig. 3, Fig. 6 is a view showing a modified example of the cross-sectional shape of the trunk shaft, and Fig. 7 is a sectional view taken along the - line in Fig. 3. Figure 8 is a sectional view taken along the - line in Figure 7, Figure 9 is a diagram showing the third embodiment, Figure 10 is a sectional view taken along the - line in Figure 9, and Figures 11 to 11 are diagrams showing an example. FIG. 15 is a diagram showing a modified example of the cross-sectional shape of the barrel shaft, FIG. 16 is a diagram showing an embodiment of the writing aid according to the present invention, and FIG.
7 is a sectional view taken along the line -- in FIG. 16, and FIG. 18 is a diagram showing a conventional example. 1...Body shaft part, 3...Brush tip part (pen tip), 4,
5, 6, 4', 5', 6'...Finger support surface, 13...
...Body part, 14... Writing instrument insertion hole.

Claims

[Scope of Claim for Utility Model Registration] (1) A body shaft having a tip at its tip, capable of supporting the thumb, index finger, and middle finger, respectively, around at least the tip, and each having a scalene triangular cross-sectional shape; A writing instrument characterized by having at least three finger-receiving surfaces that can partially or completely form each side. (2) The thumb, index finger, and middle finger can each be supported around the approximately cylindrical body portion having a writing instrument insertion hole, and each side of a scalene triangular shape is partially or completely formed in the cross-sectional shape. A writing aid characterized by having at least three finger-receiving support surfaces.