JPS61143875U - - Google Patents
Info
- Publication number
- JPS61143875U JPS61143875U JP2852685U JP2852685U JPS61143875U JP S61143875 U JPS61143875 U JP S61143875U JP 2852685 U JP2852685 U JP 2852685U JP 2852685 U JP2852685 U JP 2852685U JP S61143875 U JPS61143875 U JP S61143875U
- Authority
- JP
- Japan
- Prior art keywords
- cylinder
- gap
- tube
- shaft
- passage
- 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
- 230000002093 peripheral effect Effects 0.000 claims 2
Landscapes
- Pens And Brushes (AREA)
Description
第１図本考案実施例の要部断面図第２図乃至第
４図は夫々第１図のａ―ａ部、ｂ―ｂ部、ｃ―ｃ
部に相当する断面図である。第５図は第１図のｄ
―ｄ部に相当する断面図、第６図はその他の実施
例の要部半截断面図である。第７図はその他の実
施例の尾栓の筒部断面図である。
１…軸筒、２…尾栓、３…筒部、４…鍔部、５
…内筒、７…外筒、８…筒部、１６…第１の間隙
、１７…第２の間隙、１８…第１の通路、１９…
第２の通路、２０…開口。
Fig. 1 is a cross-sectional view of the main parts of the embodiment of the present invention. Figs.
FIG. Figure 5 is d in Figure 1.
FIG. 6 is a half-cut sectional view of a main part of another embodiment. FIG. 7 is a sectional view of a cylindrical portion of a tail plug according to another embodiment. 1... Shaft tube, 2... Tail plug, 3... Cylinder part, 4... Flange part, 5
...Inner cylinder, 7...Outer cylinder, 8...Cylinder part, 16...First gap, 17...Second gap, 18...First passage, 19...
Second passage, 20...opening.
Claims (1)
る内筒５と、該内筒５の筒部３が圧入された有底
の外筒７よりなる尾栓２が密嵌されており、内筒
５の後端部と外筒７の底部７′間には第１の間隙
１６が、内筒５の鍔部４と外筒７先端部間には第
２の間隙１７が夫々形成されていると共に、筒部
３の外周面と筒部８の内周面間には第１の間隙１
６と第２の間隙１７を連通する第１の通路１８が
、外筒７の外周面と軸筒１の内周面間には、第２
の間隙１９と軸筒１の後部と外筒７間に形成され
た開孔２０に連通する第２の通路が形成され、内
筒５の中心孔５′を介して軸筒１内と開孔２０に
連通する蛇行状の空気流通路が形成されているこ
とを特徴とする筆記具。 A tail plug 2 consisting of an inner cylinder 5 having a flange 4 at the tip of the cylinder part 3 and a bottomed outer cylinder 7 into which the cylinder part 3 of the inner cylinder 5 is press-fitted is tightly fitted into the rear part of the shaft cylinder 1. A first gap 16 is provided between the rear end of the inner tube 5 and the bottom 7' of the outer tube 7, and a second gap 17 is provided between the flange 4 of the inner tube 5 and the tip of the outer tube 7. A first gap 1 is formed between the outer circumferential surface of the cylindrical portion 3 and the inner circumferential surface of the cylindrical portion 8.
A first passage 18 communicating between the outer cylinder 7 and the second gap 17 is provided between the outer peripheral surface of the outer cylinder 7 and the inner peripheral surface of the shaft cylinder 1.
A second passage is formed that communicates with the gap 19 and the opening 20 formed between the rear part of the shaft cylinder 1 and the outer cylinder 7, and communicates with the inside of the shaft cylinder 1 through the center hole 5' of the inner cylinder 5. 1. A writing instrument characterized in that a meandering air flow path communicating with 20 is formed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2852685U JPH028797Y2 (en) | 1985-02-27 | 1985-02-27 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2852685U JPH028797Y2 (en) | 1985-02-27 | 1985-02-27 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS61143875U true JPS61143875U (en) | 1986-09-05 |
| JPH028797Y2 JPH028797Y2 (en) | 1990-03-02 |
Family
ID=30526482
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2852685U Expired JPH028797Y2 (en) | 1985-02-27 | 1985-02-27 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH028797Y2 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0458383U (en) * | 1990-09-27 | 1992-05-19 |
-
1985
- 1985-02-27 JP JP2852685U patent/JPH028797Y2/ja not_active Expired
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0458383U (en) * | 1990-09-27 | 1992-05-19 |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH028797Y2 (en) | 1990-03-02 |