JPS6363489U

JPS6363489U -

Info

Publication number: JPS6363489U
Application number: JP15822086U
Authority: JP
Priority date: 1986-10-17
Filing date: 1986-10-17
Publication date: 1988-04-26
Anticipated expiration: 2001-10-17
Also published as: JPH061439Y2

Description

[Brief explanation of the drawing]

第１図はこの考案の一実施例に係るノツク式シ
ヤープペンシルの断面図、第２図はその後部キヤ
ツプ側の拡大断面図、第３図はコネクターの断面
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図は第１図の要部
拡大断面図、第７図は第６図の―線断面図、
第８図は第６図の―線断面図、第９図は第６
図の―線断面図、第１０図はノツクキヤツプ
の他の実施例を示す断面図である。図において、１は外筒、４は芯パイプ、６はコ
ネクター、８は後部キヤツプ、１１は送りネジ部
材、１２は消しゴム受台、１３はノツクキヤツプ
、１５は消しゴムである。 Fig. 1 is a sectional view of a lock-type mechanical pencil according to an embodiment of this invention, Fig. 2 is an enlarged sectional view of its rear cap side, Fig. 3 is a sectional view of the connector, and Fig. 4 is a sectional view of the connector shown in Fig. 3. 5 is a sectional view taken along the line ``-'' of FIG. 3, FIG. 6 is an enlarged sectional view of the main part of FIG.
Figure 8 is a cross-sectional view taken along the - line in Figure 6, and Figure 9 is a cross-sectional view of Figure 6.
10 is a cross-sectional view showing another embodiment of the knock cap. In the figure, 1 is an outer cylinder, 4 is a core pipe, 6 is a connector, 8 is a rear cap, 11 is a feed screw member, 12 is an eraser holder, 13 is a knock cap, and 15 is an eraser.

Claims

[Scope of utility model registration request]

an outer cylinder into which the core pipe is slidably inserted in the axial direction; a connector which is removably fitted and fixed inside the rear end of the outer cylinder and rotatably connects the rear cap to the outer cylinder; A feed screw member is engaged with the connector in the axial direction and is movable in the axial direction, and is press-fitted with the rear end of the core pipe, and a feed screw member is engaged in the axial direction with the rear cap and has a front end. A knock cap is press-fitted to the feed screw member and is slidable in the axial direction; A writing instrument comprising an eraser holder and an eraser fitted and supported by the eraser holder.