JPS6024589U

JPS6024589U - Airtight structure at the tip of the Cat Press writing instrument

Info

Publication number: JPS6024589U
Application number: JP11642383U
Authority: JP
Inventors: 稔町田
Original assignee: 株式会社パイロット
Priority date: 1983-07-28
Filing date: 1983-07-28
Publication date: 1985-02-19
Also published as: JPH0237584Y2

Abstract

(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

[Brief explanation of drawings]

第１図〜第３図は本案を実施した先端気密保持構造と、
筆端部の出没作動との関係についての説明図であって、
第１図は筆端部が没入した状態での気密保持構造に関す
る側断面説明図、第２図、第３図は筆端部の露出作動と
気密保持構造についての側断面説明図、第４図は弁体と
内筒先端との関係構造についての側断面説明図、第５図
は第４図の上面図である。１ａ・・・軸筒開口部、２ａ・・・内筒開口部、３ａ・
・・筆端部、４・・・弁体、５・・・保持部材、５ａ・
・・空隙部。Figures 1 to 3 show the tip airtight retaining structure in which the present invention was implemented;
It is an explanatory diagram of the relationship between the protruding and retracting operation of the brush end,
Figure 1 is a side cross-sectional explanatory view of the airtight retaining structure when the brush end is recessed, Figures 2 and 3 are side cross-sectional explanatory views of the exposure operation of the brush end and the airtight retaining structure, and Figure 4 is a side cross-sectional explanatory diagram of the airtight retaining structure when the brush end is recessed. FIG. 5 is a side cross-sectional explanatory view of the relational structure between the body and the tip of the inner cylinder, and FIG. 5 is a top view of FIG. 4. 1a...Shaft cylinder opening, 2a...Inner cylinder opening, 3a...
... Brush end, 4... Valve body, 5... Holding member, 5a.
...Void area.

Claims

[Scope of utility model registration request]

(1) In a capless writing instrument in which the brush end protrudes and retracts through an opening provided in the barrel, an inner barrel 2 containing a writing body 3 is housed in the barrel 1, and the barrel has an opening at the tip of the inner barrel 2. Part 1a
A valve body 4 is provided with an opening 2a at a position facing the opening 2a, and is held between the openings 1a and 2a by a holding member 5 which is elastic and fixed to the outer peripheral surface of the tip of the inner cylinder 2 and has an appropriate gap 5a. The brush end 3a is exposed by removing the valve body 4 with the brush end 3a from the gap 5a of the extended holding member 5, and when the brush end 3a is retracted, the brush end 3a is exposed between the openings 1a and 2a. An airtight maintenance structure at the tip of a capless writing instrument, characterized in that the valve body 4 can be clamped while the holding member 5 is reduced.

(2) Utility model registration claim 1 characterized in that the face of the valve body 4 facing the brush end 3a is formed into a spindle-shaped part 4a.
Airtight structure at the tip of the capless writing instrument described in Section 1.