JPH02135281U - - Google Patents
Info
- Publication number
- JPH02135281U JPH02135281U JP4302389U JP4302389U JPH02135281U JP H02135281 U JPH02135281 U JP H02135281U JP 4302389 U JP4302389 U JP 4302389U JP 4302389 U JP4302389 U JP 4302389U JP H02135281 U JPH02135281 U JP H02135281U
- Authority
- JP
- Japan
- Prior art keywords
- inner diameter
- reduced inner
- center hole
- diameter part
- alligator
- 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
- 241000270728 Alligator Species 0.000 claims description 3
Landscapes
- Pens And Brushes (AREA)
Description
第１図は第１実施例の要部断面図、第２図は第
１実施例の全体の半断面図、第３図は第２実施例
の要部断面図、第４図第５図は従来例の一部断面
図である。
１……チツプ保持体（軸）、２……中心孔、３
……内径縮小部、４……筆記チツプ、５……前方
段部、６……筒部、７……鰐部、８……インキ収
容のための管、９……インク収容管、１０……後
方段部、１１……チツプ拡大部係止用段部、１２
……係止用の外径拡大部、１３……筆記用ボール
、１４……高粘性インキ、１５……フロート、１
６……高圧ガス、１７……尾栓、１８……溶着部
。
Fig. 1 is a sectional view of the main part of the first embodiment, Fig. 2 is a half sectional view of the entire first embodiment, Fig. 3 is a sectional view of the main part of the second embodiment, Fig. 4, and Fig. 5 are It is a partial sectional view of a conventional example. 1... Chip holder (shaft), 2... Center hole, 3
...Reduced inner diameter part, 4...Writing tip, 5...Front stage part, 6...Cylinder part, 7...Alligator part, 8...Tube for ink storage, 9...Ink storage tube, 10... Rear step part, 11...Step part for locking the tip enlarged part, 12
... Extended outer diameter part for locking, 13 ... Writing ball, 14 ... High viscosity ink, 15 ... Float, 1
6... High pressure gas, 17... Tail plug, 18... Welded part.
Claims (1)
縮小部３を設け、胴部に係止用の外径拡大部を設
けない筆記チツプ４をチツプ保持体１の中心孔２
へ前方の開口から嵌着して、その後端縁を内径縮
小部３の前方段部５に衝合させ、一方、内径縮小
部３を通過可能な筒部６と内径縮小部３を通過不
能な鍔部７と、インキ収容のための管８とからな
るインク収容管９を、チツプ保持体１の中心孔２
へ後方の開口から挿入してその筒部６を内径縮小
部３を通過させたのち、筆記チツプ４の後端内孔
部へ圧入固着すると共にその鰐部７を内径縮小部
３の後端段部１０へ衝合させるように組み付けた
ことを特徴とするガス加圧式ボールペン。 ２ 軸を兼ねたチツプ保持体１の内径縮小部３の
後方段部１０とインク収容管の鰐部７の接触箇所
を、溶着してなる請求項１記載のガス加圧式ボー
ルペン。[Claims for Utility Model Registration] 1. A writing tip 4 that has a reduced inner diameter portion 3 in the center hole 2 of the tip holder 1 which also serves as a shaft, and has no enlarged outer diameter portion for locking on the body. 1 center hole 2
from the front opening and its rear edge abuts against the front step 5 of the reduced inner diameter part 3, while the cylindrical part 6 that can pass through the reduced inner diameter part 3 and the cylindrical part 6 that cannot pass through the reduced inner diameter part 3. An ink storage tube 9 consisting of a flange 7 and a tube 8 for storing ink is inserted into the center hole 2 of the chip holder 1.
The cylindrical part 6 is inserted through the rear opening and passed through the reduced inner diameter part 3, and then press-fitted into the inner hole at the rear end of the writing tip 4 and the alligator part 7 is inserted into the stepped part at the rear end of the reduced inner diameter part 3. A gas pressurized ballpoint pen characterized by being assembled in such a way as to align with 10. 2. The gas pressurized ballpoint pen according to claim 1, wherein the contact portion between the rear stepped portion 10 of the reduced inner diameter portion 3 of the tip holder 1 which also serves as a shaft and the alligator portion 7 of the ink storage tube is welded.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4302389U JPH02135281U (en) | 1989-04-14 | 1989-04-14 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4302389U JPH02135281U (en) | 1989-04-14 | 1989-04-14 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH02135281U true JPH02135281U (en) | 1990-11-09 |
Family
ID=31555078
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP4302389U Pending JPH02135281U (en) | 1989-04-14 | 1989-04-14 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH02135281U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7325992B2 (en) | 2002-01-30 | 2008-02-05 | Mitsubishi Pencil Kabushiki Kaisha | Gas-pressurized writing instrument and writing instrument refill |
| US7381004B2 (en) | 2002-01-30 | 2008-06-03 | Mitsubishi Pencil Kabushiki Kaisha | Gas pressurized writing instrument and writing instrument refill |
-
1989
- 1989-04-14 JP JP4302389U patent/JPH02135281U/ja active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7325992B2 (en) | 2002-01-30 | 2008-02-05 | Mitsubishi Pencil Kabushiki Kaisha | Gas-pressurized writing instrument and writing instrument refill |
| US7381004B2 (en) | 2002-01-30 | 2008-06-03 | Mitsubishi Pencil Kabushiki Kaisha | Gas pressurized writing instrument and writing instrument refill |
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