JPS62162076U

JPS62162076U -

Info

Publication number: JPS62162076U
Application number: JP5019486U
Authority: JP
Priority date: 1986-04-02
Filing date: 1986-04-02
Publication date: 1987-10-15

Description

[Brief explanation of the drawing]

第１図は本考案キヤツプレス筆記具の一実施例
をペン先収納状態で示した断面図、第２図は同じ
くペン先突出状態で示した断面図、第３図は本考
案における一端閉塞型内筒の斜視図、第４図は従
来のキヤツプレス筆記具の一例をペン先収納状態
で示した断面図、第５図は同じくそのペン先突出
状態で示した断面図である。１……外筒、２……筆記軸体、２ａ……ペン先
、３……隙間、４ａ，４ｂ……弾性体製縦割れ内
筒部、４……一端閉塞型内筒、５……ノツク部、
６……戻りばね、７……弾性シール部。 Fig. 1 is a sectional view of an embodiment of the cap press writing instrument of the present invention, showing the pen tip in the retracted state, Fig. 2 is a sectional view of the same, showing the pen nib in the protruding state, and Fig. 3 is the one-end closed type inner cylinder of the present invention. FIG. 4 is a sectional view showing an example of a conventional capsule-press writing instrument in a state where the pen tip is stored, and FIG. 5 is a sectional view showing the pen tip in a protruding state. DESCRIPTION OF SYMBOLS 1... Outer cylinder, 2... Writing shaft body, 2a... Pen tip, 3... Gap, 4a, 4b... Vertical split inner cylinder part made of elastic material, 4... One end closed type inner cylinder, 5... Notsuku part,
6...Return spring, 7...Elastic seal portion.

Claims

[Scope of utility model registration request]

A writing shaft body 2 is inserted into an outer cylinder 1, and two vertically split inner cylinder parts 4a and 4b forming an inner cylinder 4 with one end closed covering the tip of the writing shaft body 2 with a gap 3 therebetween. By pressing the notch portion 5 of the writing shaft 2 against the return spring 6 or returning it by the force of the spring, the vertically split inner cylinder portions 4a, 4b are opened and closed, and the pen tip of the writing shaft 2 is opened and closed. 2a, the vertically cracked inner cylinder part 4a,
4b, the both vertically split inner cylindrical parts 4a, 4b are made of an elastic material, and the vertically split inner cylindrical part 4a is made of an elastic material.
, 4b are fitted onto the inner surface of the outer tube 1, and an elastic seal portion 7 is provided on the open inner circumference of the vertically split inner tube portions 4a, 4b made of elastic bodies.