JPH02137287U

JPH02137287U -

Info

Publication number: JPH02137287U
Application number: JP4589789U
Authority: JP
Priority date: 1989-04-19
Filing date: 1989-04-19
Publication date: 1990-11-15

Description

[Brief explanation of the drawing]

第１図は本考案の自動繰出式シヤープペンシル
を示した縦断面図、第２図、第４図、第６図、第
８図はそれぞれこの考案の芯ホルダーを示す主要
部拡大縦断面図、第３図は第２図のＡ−Ａ線を示
す横断面図、第５図は第４図のＢ−Ｂ線を示す横
断面図、第７図は第６図のＣ−Ｃ線を示す横断面
図、第９図は第８図のＤ−Ｄ線を示す横断面図、
第１０図はこの考案の他の実施例を示す主要部縦
断面図である。７，１０７，２０７，３０７……芯ガイドパイ
プ、８，１０８，２０８，３０８……芯ホルダー
、１１……芯。 FIG. 1 is a longitudinal cross-sectional view showing the self-dispensing mechanical pencil of the present invention; FIGS. 2, 4, 6, and 8 are enlarged longitudinal cross-sectional views of the main parts of the lead holder of the present invention; Figure 3 is a cross-sectional view taken along line A-A in Figure 2, Figure 5 is a cross-sectional view taken along line B-B in Figure 4, and Figure 7 is a cross-sectional view taken along line C-C in Figure 6. A cross-sectional view, FIG. 9 is a cross-sectional view taken along line D-D in FIG.
FIG. 10 is a longitudinal sectional view of the main part showing another embodiment of this invention. 7,107,207,307...core guide pipe, 8,108,208,308...core holder, 11...core.

Claims

[Scope of utility model registration request]

The lead guide pipe moves backward as the lead wears, and when the lead guide pipe is moved away from the writing surface, or when the lead guide pipe is moved away from the writing surface after retreating a certain distance, the lead guide pipe is displaced to the most advanced position. In an automatic sharpening pencil, the leads are paid out sequentially by the amount of wear on the lead, and if one lead becomes too short, the next lead automatically follows. A self-feeding sharp pencil featuring a lead holder that is held in place with the force of.