JPH01116692U - - Google Patents
Info
- Publication number
- JPH01116692U JPH01116692U JP1335888U JP1335888U JPH01116692U JP H01116692 U JPH01116692 U JP H01116692U JP 1335888 U JP1335888 U JP 1335888U JP 1335888 U JP1335888 U JP 1335888U JP H01116692 U JPH01116692 U JP H01116692U
- Authority
- JP
- Japan
- Prior art keywords
- ribs
- writing instrument
- tip surfaces
- joint part
- circumference
- 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
- 229920003002 synthetic resin Polymers 0.000 claims 1
- 239000000057 synthetic resin Substances 0.000 claims 1
Landscapes
- Mechanical Pencils And Projecting And Retracting Systems Therefor, And Multi-System Writing Instruments (AREA)
Description
第１図は第１実施例の要部横断面図、第２図は
第１図Ａ―Ａ線縦断面図、第３図は第２実施例の
要部縦断面図、第４図は第３実施例を示す要部横
断面図、第５図は従来例の要部横断面図、第６図
は第５図Ｂ―Ｂ線縦断面図である。
１…軸筒、２…メネジ、３…オネジ、４…口金
、５…リブ、６…小径筒部。
Fig. 1 is a cross-sectional view of the main part of the first embodiment, Fig. 2 is a longitudinal cross-sectional view of the main part of the second embodiment, Fig. 3 is a longitudinal cross-sectional view of the main part of the second embodiment, and Fig. 4 is a longitudinal cross-sectional view of the main part of the second embodiment. FIG. 5 is a cross-sectional view of the main part of the third embodiment, FIG. 5 is a cross-sectional view of the main part of the conventional example, and FIG. 6 is a longitudinal cross-sectional view taken along the line B--B in FIG. 1... Shaft tube, 2... Female thread, 3... Male thread, 4... Cap, 5... Rib, 6... Small diameter cylindrical portion.
Claims (1)
部品（以下「接合部品」という）を構成要素とす
る筆記具において、当該接合部品の内面円周上の
所要位置に半径方向の中心へ向つて突出しその先
端面が同一半径の円周上に位置する複数のリブを
設け、当該リブの先端面にメネジを形成したこと
を特徴とする筆記具。 In a writing instrument whose component is a synthetic resin part that is screwed onto another part with a male thread (hereinafter referred to as a "joint part"), a part that protrudes toward the radial center at a predetermined position on the inner circumference of the joint part. A writing instrument characterized in that a plurality of ribs are provided whose tip surfaces are located on a circumference of the same radius, and a female thread is formed on the tip surfaces of the ribs.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1335888U JPH01116692U (en) | 1988-02-03 | 1988-02-03 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1335888U JPH01116692U (en) | 1988-02-03 | 1988-02-03 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH01116692U true JPH01116692U (en) | 1989-08-07 |
Family
ID=31223597
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1335888U Pending JPH01116692U (en) | 1988-02-03 | 1988-02-03 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH01116692U (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5049555A (en) * | 1973-07-17 | 1975-05-02 | ||
| JPS6135491B2 (en) * | 1980-06-06 | 1986-08-13 | Teii Deii Kei Kk |
-
1988
- 1988-02-03 JP JP1335888U patent/JPH01116692U/ja active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5049555A (en) * | 1973-07-17 | 1975-05-02 | ||
| JPS6135491B2 (en) * | 1980-06-06 | 1986-08-13 | Teii Deii Kei Kk |