JPS5837661Y2 - Shape pencil - Google Patents
Shape pencilInfo
- Publication number
- JPS5837661Y2 JPS5837661Y2 JP4625978U JP4625978U JPS5837661Y2 JP S5837661 Y2 JPS5837661 Y2 JP S5837661Y2 JP 4625978 U JP4625978 U JP 4625978U JP 4625978 U JP4625978 U JP 4625978U JP S5837661 Y2 JPS5837661 Y2 JP S5837661Y2
- Authority
- JP
- Japan
- Prior art keywords
- eraser
- knob
- case
- eraser case
- fitting piece
- 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.)
- Expired
Links
Landscapes
- Mechanical Pencils And Projecting And Retracting Systems Therefor, And Multi-System Writing Instruments (AREA)
Description
【考案の詳細な説明】
この考案は簡単にしかも確実に芯タンクおよびノブと嵌
合して取り付けられる消しゴムケースに関する。[Detailed Description of the Invention] This invention relates to an eraser case that can be easily and securely fitted and attached to a lead tank and a knob.
従来の消しゴムケース・芯タンクおよびツブは、第１図
に示すように消しゴム１に被嵌された消しゴムケース２
を芯タンク３の内股３Ａに当接して位置決めしたり、あ
るいは第２図に示すように消しゴムケース１２の後部１
２Ａにローレットを行ないそのローレットの段を芯タン
ク１３の後端１３Ｂに当接させて位置決めを行なってい
た。A conventional eraser case, lead tank, and knob are an eraser case 2 fitted into an eraser 1 as shown in Fig. 1.
position by contacting the inner thigh 3A of the lead tank 3, or as shown in FIG.
2A is knurled, and the knurling stage is brought into contact with the rear end 13B of the core tank 13 for positioning.
よって消しゴム１１が消耗した時に、芯を補充するため
に消しゴム１１を取り外そうとした場合に芯タンク１３
より消しゴムケース１２の後部１２Ａあるいは消しゴム
ケース１２のローレット部分といったわずかな部分しか
突出していないために取り外しができないとか、消しゴ
ム１１使用時に消しゴム１１が芯タンク１３の中に潜っ
てしまったりといったことが多々起こった。Therefore, when the eraser 11 is exhausted and you try to remove the eraser 11 to replenish the lead, the lead tank 13
It often happens that only a small part of the eraser case 12, such as the rear part 12A or the knurled part of the eraser case 12, protrudes and cannot be removed, or that the eraser 11 gets stuck inside the lead tank 13 when the eraser 11 is used. Happened.
またノブの取付においては芯タンクあるいはノブのどち
らか一方に切欠を設けて嵌合力を出さなけれは゛ならな
いとともに、芯タンクに外股を設けてノブの位置決めを
しなければならず生産能率がたいへん悪いといった種々
の欠点が生じていた。In addition, when installing the knob, it is necessary to create a notch in either the core tank or the knob to generate the mating force, and it is also necessary to provide an outer leg in the core tank to position the knob, which greatly reduces production efficiency. There were various drawbacks such as:
この考案は筒部および、該筒部と一体に設けた係止突起
と凸部を有するノブ嵌合片により消しゴムケースを構成
することにより上述した種々の欠点をすべて解消したも
のである。This invention eliminates all of the above-mentioned drawbacks by constructing an eraser case with a cylindrical portion and a knob fitting piece having a locking protrusion and a convex portion provided integrally with the cylindrical portion.
つぎにこの考案の構成を図面にもとづいて説明すると、
第３図および第４図に示すようにこの考案の消しゴムケ
ース２２は、消しゴム２１の外径２１Ａより細径の内径
を有する筒部２２Ｂと、筒部２２Ｂとのすき間を芯タン
ク２３の肉厚と同等にした単数または複数の折曲部２２
Ｃによって折り返した任意の幅および長さのノブ嵌合片
２２Ｄとから構成されたものである。Next, the configuration of this invention will be explained based on the drawings.
As shown in FIGS. 3 and 4, the eraser case 22 of this invention has a cylindrical portion 22B having an inner diameter smaller than the outer diameter 21A of the eraser 21, and a gap between the cylindrical portion 22B and the inner diameter of the lead tank 23. One or more bent portions 22 made equal to
It is composed of a knob fitting piece 22D of arbitrary width and length which is folded back by C.
該ノブ嵌合片２２Ｄには先端に係止突起２２ Ｅが構成
されているとともに任意の位置には凸部２２ Ｆが設け
られている。The knob fitting piece 22D has a locking protrusion 22E at its tip and a protrusion 22F at an arbitrary position.
この消しゴムケース２２の筒部２２Ｂに消しゴム２１を
嵌挿させた後に、該消しゴムケース２２を芯タンク２３
の後端２３Ｂより筒部２２ Ｂとノブ嵌合片２２Ｄとに
より挟持しながら挿入し、折曲部２２Ｃが芯タンク２３
の後端２３Ｂに突き当るまで押し込んで取り付けている
。After inserting the eraser 21 into the cylindrical portion 22B of the eraser case 22, the eraser case 22 is inserted into the lead tank 22.
Insert from the rear end 23B while being held between the cylindrical part 22B and the knob fitting piece 22D, and the bent part 22C is inserted into the core tank 23.
It is attached by pushing it in until it hits the rear end 23B of the.
この嵌合力は後から嵌合するノブ４の嵌合力より強く構
成する。This fitting force is configured to be stronger than the fitting force of the knob 4 that will be fitted later.
消しゴム２１を覆うためのノブ４は、ノブ４の内面４Ａ
がノブ嵌合片２２ Ｄの凸部２２ Ｆと嵌合し、ノブ４
の先端４Ｂがノブ嵌合片２２Ｄの係止突起２２Ｅに当接
して位置決めされ取り付けられる。The knob 4 for covering the eraser 21 has an inner surface 4A of the knob 4.
is fitted with the convex portion 22F of the knob fitting piece 22D, and the knob 4
The distal end 4B of the knob fitting piece 22D is positioned and attached by contacting the locking protrusion 22E.
以上のような構成と作用を有するこの考案は、消しゴム
が消耗して小さくなっても簡単に取り付は取り外しが出
来るとともに、ノブには弾性片を構成するなどの加工が
なく、さらに芯タンクはパイプを切断したままの状態で
ツブ係止段を形成することなしに、芯タンクに消しゴム
ケースおよびノブが確実に位置決めおよび嵌合され、従
来のシャープペンシルと比べて実用上多大の効果を有す
るものである。This device, which has the above structure and function, can be easily attached and removed even if the eraser wears out and becomes smaller. Furthermore, the knob does not have any processing such as an elastic piece, and the lead tank is The eraser case and knob are securely positioned and fitted to the lead tank without forming a knob locking step while the pipe is still cut, and has a great practical effect compared to conventional mechanical pencils. It is.
第１図および第２図は従来のシャープペンシルにおけ芯
タンクおよび消しゴムケースを示した主要部縦断面図、
第３図はこの考案を示す主要部縦断面図、第４図は第３
図のＸ−Ｘ線を示す横断面図である。
１．１１．２１・・・・・・消しコ゛ム、２１Ａ・・・
・・・？肖しコ゛ム２１の外径、２，１２．２２・・・
・・・梢しゴムケース、１２Ａ・・・・・・消しゴムケ
ース１２の後部、２２Ｂ・・・・・・消しゴムケース２
２の筒部、２２Ｃ・・・・・・消しゴムケース２２の折
曲部、２２Ｄ・・・・・・消しゴムケース２２のノブ嵌
合片、２２Ｅ・・・・・・消しゴムケース２２の係止突
起、２２ Ｆ・・・・・・消しゴムケース２２の凸部、
３，１３．２３・・・・・・芯タンク、３Ａ・・・・・
・芯タンク３の内股、１３ Ｂ 、２３ Ｂ・・・・・
・芯タンク１３．２３の後端、４・・・・・・ノブ、４
Ａ・・・・・・ノブ４の内面、４Ｂ・・・・・・ノブ４
の先端。Figures 1 and 2 are longitudinal sectional views of the main parts of a conventional mechanical pencil, showing the lead tank and eraser case;
Figure 3 is a vertical cross-sectional view of the main parts showing this invention, and Figure 4 is a
FIG. 3 is a cross-sectional view taken along line XX in the figure. 1.11.21... Eraser comb, 21A...
...? Outer diameter of portrait comb 21, 2, 12.22...
... Treetop rubber case, 12A ... Rear part of eraser case 12, 22B ... Eraser case 2
2, cylindrical part 2, 22C... bending part of eraser case 22, 22D... knob fitting piece of eraser case 22, 22E... locking protrusion of eraser case 22 , 22 F...Protrusion of the eraser case 22,
3,13.23... Core tank, 3A...
・Inner thigh of core tank 3, 13 B, 23 B...
- Core tank 13. Rear end of 23, 4...Knob, 4
A...Inner surface of knob 4, 4B...Knob 4
tip of.
Claims (1)
２２の筒部２２Ｂの任意の位置より単数あるいは複数の
ノブ嵌合片２２Ｄを折り曲げ、該ノブ嵌合片２２Ｄの適
宜の位置に凸部２２Ｆを設けるとともに先端部には係止
突起２２ Ｅを設けて消しゴムケース２２を形成し、該
消しゴムケース２２を、消しゴムケース２２の筒部２２
Ｂとノブ嵌合片２２Ｄとによって芯タンク２３の後部を
挾持するようにして取り付け、さらにノブ４を凸部２２
Ｆに嵌合させるとともに係止突起２２Ｅに当接させて
消しゴム２１を覆うように取り付けたことを特徴とする
シャープペンシル。One or more knob fitting pieces 22D are bent from an arbitrary position of the cylindrical part 22B of the eraser case 22 that covers and holds the eraser 21, and a convex part 22F is provided at an appropriate position of the knob fitting piece 22D. A locking protrusion 22E is provided at the tip to form an eraser case 22, and the eraser case 22 is attached to the cylindrical portion 22 of the eraser case 22.
B and the knob fitting piece 22D sandwich the rear part of the core tank 23, and then attach the knob 4 to the convex part 22D.
A mechanical pencil characterized in that the mechanical pencil is attached to the eraser 21 so as to fit into the eraser 21 and come into contact with the locking protrusion 22E.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4625978U JPS5837661Y2 (en) | 1978-04-07 | 1978-04-07 | Shape pencil |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4625978U JPS5837661Y2 (en) | 1978-04-07 | 1978-04-07 | Shape pencil |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS54149328U JPS54149328U (en) | 1979-10-17 |
| JPS5837661Y2 true JPS5837661Y2 (en) | 1983-08-25 |
Family
ID=28926047
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP4625978U Expired JPS5837661Y2 (en) | 1978-04-07 | 1978-04-07 | Shape pencil |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5837661Y2 (en) |
-
1978
- 1978-04-07 JP JP4625978U patent/JPS5837661Y2/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPS54149328U (en) | 1979-10-17 |
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