JPS6170077U - - Google Patents
Info
- Publication number
- JPS6170077U JPS6170077U JP15384884U JP15384884U JPS6170077U JP S6170077 U JPS6170077 U JP S6170077U JP 15384884 U JP15384884 U JP 15384884U JP 15384884 U JP15384884 U JP 15384884U JP S6170077 U JPS6170077 U JP S6170077U
- Authority
- JP
- Japan
- Prior art keywords
- tip
- cylindrical part
- diameter
- cap
- main body
- 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.)
- Pending
Links
- 230000002093 peripheral effect Effects 0.000 claims 1
Landscapes
- Mechanical Pencils And Projecting And Retracting Systems Therefor, And Multi-System Writing Instruments (AREA)
Description
第１図及び第２図は本考案の実施例を示すもの
で第１図が縦断面図、第２図が第１図Ａ−Ａ線に
於ける横断面図である。又第３図は従来例を示す
縦断面図である。
１…口金、先軸等の先端部品、２…先端口、３
…先端パイプ、４…保持チヤツク、５…カシメ部
、６…筒状部、７…弾性突起、８…本体部、９…
テーパ面、１０…先端パイプ部、イ…仮想内接円
の直径、ロ…芯、ハ…芯径。
1 and 2 show an embodiment of the present invention, with FIG. 1 being a longitudinal cross-sectional view and FIG. 2 being a cross-sectional view taken along the line AA in FIG. 1. Further, FIG. 3 is a longitudinal sectional view showing a conventional example. 1...Tip parts such as cap and tip shaft, 2...Tip opening, 3
... Tip pipe, 4... Holding chuck, 5... Caulking part, 6... Cylindrical part, 7... Elastic protrusion, 8... Main body part, 9...
Tapered surface, 10... Tip pipe part, A... Diameter of virtual inscribed circle, B... Core, C... Core diameter.
Claims (1)
する筒状部と、当該筒状部の内周面の所要位置か
ら筒状部の中心部に向けて前方に傾斜しながら突
出しその先端面を結ぶ仮想内接円の直径が芯径よ
り僅かに小さく設定された所要数の弾性突起が、
本体部と共に一体的に形成されたことを特徴とす
るシヤープペンシルに於ける先端芯保持部を有す
る口金、先軸等の先端部品。 A cylindrical part that extends in the axial direction for a required length behind the tip opening inside the hole, and a tip that protrudes from a predetermined position on the inner peripheral surface of the cylindrical part while tilting forward toward the center of the cylindrical part. The required number of elastic protrusions with the diameter of the virtual inscribed circle connecting the surfaces set slightly smaller than the core diameter,
1. A tip part such as a cap, a tip shaft, etc., having a tip holding part in a sharpening pencil, characterized in that it is integrally formed with a main body part.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15384884U JPS6170077U (en) | 1984-10-12 | 1984-10-12 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15384884U JPS6170077U (en) | 1984-10-12 | 1984-10-12 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6170077U true JPS6170077U (en) | 1986-05-13 |
Family
ID=30711863
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP15384884U Pending JPS6170077U (en) | 1984-10-12 | 1984-10-12 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6170077U (en) |
-
1984
- 1984-10-12 JP JP15384884U patent/JPS6170077U/ja active Pending
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