JPS623997A - Lead stopper - Google Patents
Lead stopperInfo
- Publication number
- JPS623997A JPS623997A JP14255085A JP14255085A JPS623997A JP S623997 A JPS623997 A JP S623997A JP 14255085 A JP14255085 A JP 14255085A JP 14255085 A JP14255085 A JP 14255085A JP S623997 A JPS623997 A JP S623997A
- Authority
- JP
- Japan
- Prior art keywords
- lead
- core
- stopper
- insertion hole
- shape
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Landscapes
- Mechanical Pencils And Projecting And Retracting Systems Therefor, And Multi-System Writing Instruments (AREA)
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
【発明の詳細な説明】
〔産業上の利用分野〕
この発明は先具内壁等に装着され、芯に所定の摩擦圧を
付与する芯ストッパーに関する。DETAILED DESCRIPTION OF THE INVENTION [Industrial Field of Application] The present invention relates to a lead stopper that is attached to the inner wall of a tip and applies a predetermined frictional pressure to the lead.
従来から、例えば第６図示のように、先具１０１の内壁
等に装着され、芯１０２に所定の摩擦圧を付与し、筆記
時の芯１０２の脱落防止かつ安定支持や芯繰り出し時の
スムーズかつ安定的な芯の繰り出し等を行う芯ストッパ
ー１０３が種々提案されている。Conventionally, as shown in FIG. 6, for example, it is attached to the inner wall of a tip 101, and applies a predetermined friction pressure to the lead 102, preventing the lead 102 from falling off during writing, stably supporting it, and providing smooth and smooth lead feeding. Various types of lead stoppers 103 have been proposed that perform stable feeding of the lead.
しかしながら、第６図示のように芯ストッパー１０３は
、方向性を成す複雑な形状をしているので、先具１０１
内壁に装着するに際して、作業効率が悪い等の問題点が
あった。However, as shown in FIG. 6, the lead stopper 103 has a complicated shape with directionality, so
When installing it on the inner wall, there were problems such as poor work efficiency.
この発明は上記問題点を解決するためになされたもので
あって、ノック動作によって繰り出される芯によって、
芯挿通孔を破膜して、種々の太さの芯を使用した筆記具
においても１つで兼用でき、しか屯、確実な摩擦圧を付
与し、芯の脱落防止。This invention was made in order to solve the above problems, and by means of a wick drawn out by a knocking action,
The core insertion hole is ruptured so that it can be used for writing instruments with different thicknesses of lead, and it also provides reliable friction pressure to prevent the lead from falling off.
安定支持が行える芯ストッパーを提供することを目的と
する。The purpose is to provide a core stopper that can provide stable support.
以下、この発明の一実施例について説明する。 An embodiment of the present invention will be described below.
第１図は、この発明に係る芯ストッパー１の第１の実施
例を示し、公知のものと同様のゴム、樹脂等の弾性部材
で形成されている。そして、例えば、第２図示のように
、先具２の内壁等に装着されている。FIG. 1 shows a first embodiment of a core stopper 1 according to the present invention, which is made of an elastic member such as rubber or resin similar to known ones. For example, as shown in the second figure, it is attached to the inner wall of the tip 2.
この第１の実施例では、全てその形状は、方向性のない
形に形成されている。また、その内部には、芯３を貫通
当接する芯挿通孔４や、スリット５が形成されている。In this first embodiment, all shapes are formed without directionality. Further, inside thereof, a core insertion hole 4 through which the core 3 comes into contact, and a slit 5 are formed.
この芯挿通孔４、スリット５ ｔｒｉ、第３図示のよう
に、星状、Ｘ状、線状、多角形状、丸状等、芯３に所定
の摩擦圧を付与し、芯３の脱落防止、安定支持ができれ
ば如何なる形状であってもよい。This core insertion hole 4, slit 5 tri, as shown in the third figure, has a star shape, an X shape, a line shape, a polygonal shape, a round shape, etc., and applies a predetermined friction pressure to the core 3 to prevent the core 3 from falling off. It may have any shape as long as it can provide stable support.
以上の構成によれば、この発明に係る芯ストッパー１は
、方向性がなく、先具２勢の内部へ矢印（イ）、（ロ）
いずれの方向からも挿入配置できるので、作業ミスがな
くなり、作業能率が飛躍的に向上し、かつ作業の機械化
が容易となる。According to the above configuration, the lead stopper 1 according to the present invention has no directionality, and the arrows (A) and (B) move toward the inside of the tip 2.
Since it can be inserted and arranged from any direction, work errors are eliminated, work efficiency is dramatically improved, and work can be easily mechanized.
また、芯挿通孔４またはスリット５は、星状。Further, the core insertion hole 4 or slit 5 has a star shape.
Ｘ状等に形成されているので、芯３の脱落防止。Since it is formed in an X-shape, etc., it prevents the core 3 from falling off.
安定支持が確実に行える。Stable support can be ensured.
同、芯挿通孔４またはスリット５の形成は、先具２等へ
装着前であっても、装着後であってもよい。Similarly, the core insertion hole 4 or slit 5 may be formed before or after attachment to the tip 2 or the like.
第４図は、第２の実施例を示す。この実施例では第１の
実施例と同様に方向性のない形状であるが芯挿通孔また
はスリットが全くない。その内部は所定厚の薄膜６によ
って閉じられている。FIG. 4 shows a second embodiment. This embodiment has a non-directional shape like the first embodiment, but has no core insertion holes or slits. Its interior is closed by a thin film 6 of a predetermined thickness.
以上の構成によれば、この芯ストッパー１を先具２に装
着し、第２図のように通常のンヤーブペンシルを組立る
。その仮、ノック動作によって、繰り出される芯３によ
って、芯ストッパー１の薄膜６を突き破り芯挿通孔４を
形成する。According to the above structure, the lead stopper 1 is attached to the tip 2, and a normal Nyab pencil is assembled as shown in FIG. As a result of the knocking action, the lead 3 that is drawn out pierces the thin film 6 of the lead stopper 1 and forms a lead insertion hole 4.
このように、この実施例では、芯３自身によって芯挿通
孔４が形成されるの−Ｃ１芯挿逍孔４の大きさｒｉｍ常
に使用さ７′しる芯３の太さに対応し六−径となる。従
って、例えば０１〜１．２■の梱々の芯径のシャープペ
ンシルであって′４ｂ％ １つの芯ストッパー１が全て
に兼用でき、しかも、′パに芯３に確実に当接し、確実
な摩擦力を付与することができる。As described above, in this embodiment, the core insertion hole 4 is formed by the core 3 itself. It becomes the diameter. Therefore, for example, for mechanical pencils with various lead diameters from 01 to 1.2 cm, one lead stopper 1 can be used for all of them, and moreover, it can surely contact the lead 3 at the same time, making it reliable. Frictional force can be applied.
従来のように、芯径に対応して、芯挿通孔の［１ｉ４０
径を変更した数種の芯ストッパーを使用−Ｉる必要がな
く、兼用できるので、二１ストの低減化、省エネ化２作
業能率の向上も図れる。As in the past, the core insertion hole [1i40
It is not necessary to use several types of lead stoppers with different diameters, and they can be used for both purposes, so it is possible to reduce the number of strokes, save energy, and improve work efficiency.
同、芯３によって破膜される薄膜６の厚さは、ゴＡ （
Ｎ Ｂ Ｒ、シリコンラバー〕あるいは合成樹脂等その
材質によって変わり、例えばシリコンラバーでは０．１
５〜０．０２−程度が考えられるが、芯３による突破が
可能でかつ芯３に所定の摩擦圧を付与できれば、如何な
る厚さでもよい。Similarly, the thickness of the thin film 6 ruptured by the core 3 is GoA (
NBR, silicone rubber] or synthetic resin, etc., depending on the material, for example, 0.1 for silicone rubber.
The thickness may be approximately 5 to 0.02 mm, but any thickness may be used as long as the core 3 can break through and apply a predetermined frictional pressure to the core 3.
第５図は第３の実施例を示し、点線のように変形できる
袋状の芯ストッパー１であり、第２の実施例と同様に、
ノック動作によって繰り出される芯３によって芯挿通孔
４が破膜される。また、第５図（ｄ）のように芯挿通孔
４を予め形成しておいてもよい、。FIG. 5 shows a third embodiment, which is a bag-shaped core stopper 1 that can be deformed as shown by the dotted line, and similar to the second embodiment,
The core insertion hole 4 is ruptured by the core 3 drawn out by the knocking action. Further, the core insertion hole 4 may be formed in advance as shown in FIG. 5(d).
伺、上記実施例では、ストッパー１を先具２内に装着し
た実施例を示し九が、先具を外筒と一体成形したもの等
でもよいことはもちろんである。In the above embodiment, the stopper 1 is mounted inside the tip 2, but it goes without saying that the tip may be integrally molded with the outer cylinder.
以上のように、この発明によれば、ノック動作によって
繰り出される芯によって芯ストッパーを突き破り、芯挿
通孔を形成するので、種々の太さの芯においても一つの
芯ストツノく−が兼用でき、しかも確実な摩擦圧を付与
でき、芯脱落防止、芯の安定支持ができる３、As described above, according to the present invention, the lead drawn out by the knocking action pierces the lead stopper and forms the lead insertion hole, so a single lead stopper can be used for leads of various thicknesses. Can apply reliable friction pressure, prevent the core from falling off, and stably support the core 3.
第１図、第４図、第５図はこの発明の一実施例の縦断面
図、第２図はこの発明を適用したシャープペンシルの縦
断面図、第３図は、この発明の一実施例の正面図、第６
図は従来の芯ストツノ〈−を適用したシャープペンシル
の縦断面図を示す。
１・・・芯ストッパー、２・・・先具、３・・・芯、４
・・・芯挿通孔。Figures 1, 4, and 5 are longitudinal sectional views of an embodiment of the present invention, Figure 2 is a longitudinal sectional view of a mechanical pencil to which the invention is applied, and Figure 3 is an embodiment of the invention. front view, No. 6
The figure shows a longitudinal cross-sectional view of a mechanical pencil to which a conventional lead stroke is applied. 1... Core stopper, 2... Tip, 3... Core, 4
... Core insertion hole.
Claims (2)
圧を付与する芯ストッパーにおいて、繰り出される上記
芯（３）によつて、該芯（３）と当接し、上記摩擦圧を
付与する芯挿通孔（４）を形成することを特徴とする芯
ストッパー。(1) In a lead stopper that is installed inside the writing instrument and applies a predetermined frictional pressure to the lead (3), the lead (3) comes into contact with the lead (3) and applies the frictional pressure. A lead stopper characterized by forming a lead insertion hole (4).
特許請求の範囲第１項記載の芯ストッパー。(2) The lead stopper according to claim 1, characterized in that it is formed in a shape without directionality.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14255085A JPS623997A (en) | 1985-07-01 | 1985-07-01 | Lead stopper |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14255085A JPS623997A (en) | 1985-07-01 | 1985-07-01 | Lead stopper |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS623997A true JPS623997A (en) | 1987-01-09 |
| JPH0425878B2 JPH0425878B2 (en) | 1992-05-01 |
Family
ID=15317952
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP14255085A Granted JPS623997A (en) | 1985-07-01 | 1985-07-01 | Lead stopper |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS623997A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS63176683U (en) * | 1987-05-02 | 1988-11-16 | ||
| WO2023002878A1 (en) * | 2021-07-20 | 2023-01-26 | 三菱鉛筆株式会社 | Mechanical pencil |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5157731U (en) * | 1974-10-30 | 1976-05-07 | ||
| JPS59110680U (en) * | 1983-01-18 | 1984-07-26 | 三菱鉛筆株式会社 | Knotsuku style pencil |
-
1985
- 1985-07-01 JP JP14255085A patent/JPS623997A/en active Granted
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5157731U (en) * | 1974-10-30 | 1976-05-07 | ||
| JPS59110680U (en) * | 1983-01-18 | 1984-07-26 | 三菱鉛筆株式会社 | Knotsuku style pencil |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS63176683U (en) * | 1987-05-02 | 1988-11-16 | ||
| WO2023002878A1 (en) * | 2021-07-20 | 2023-01-26 | 三菱鉛筆株式会社 | Mechanical pencil |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0425878B2 (en) | 1992-05-01 |
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