JPS5874585U - Center return prevention device for sharp pencil - Google Patents
Center return prevention device for sharp pencilInfo
- Publication number
- JPS5874585U JPS5874585U JP16914181U JP16914181U JPS5874585U JP S5874585 U JPS5874585 U JP S5874585U JP 16914181 U JP16914181 U JP 16914181U JP 16914181 U JP16914181 U JP 16914181U JP S5874585 U JPS5874585 U JP S5874585U
- Authority
- JP
- Japan
- Prior art keywords
- prevention device
- return prevention
- sharp pencil
- center return
- chuck
- 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
Abstract
(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
第１図はこの考案の第１実施例を示す要部の断 −面
図、第２図、第３図は第１実施例の作動状態を示す半裁
断面図、第４図、第５図は第２実施例の要部と作動状態
を示す断面図である。
２・・・・・・ボールチャック、３・・・・・・チャッ
ク体、７・・・・・・軸筒、１５・・・・・・前端面、
１６・・・・・・面、１７・・・・・・部材、１８・・
・・・・芯摩擦保持体。Fig. 1 is a cross-sectional view of essential parts showing the first embodiment of this invention, Figs. 2 and 3 are half-cut sectional views showing the operating state of the first embodiment, and Figs. 4 and 5 are FIG. 7 is a cross-sectional view showing the main parts and operating state of the second embodiment. 2...Ball chuck, 3...Chuck body, 7...Shaft cylinder, 15...Front end surface,
16...surface, 17...member, 18...
... Core friction retainer.
Claims (1)
、ボールチャック２を構成するチャック体３の前端面１
５をせり上らせることができる面１６−をもった部材１
７並びに該部材１７と一体または別体の芯摩擦保持体１
８とを軸筒７内に設け、該芯摩擦保持体１８はチャック
体３の前端面１５が前記面１６に押しつけられるときの
部材１７の変位により拡開自在としてなるシャープペン
ジノＣ用芯出空戻り防止装置。, In a mechanical pencil using a ball chuck 2, the front end surface 1 of the chuck body 3 constituting the ball chuck 2
A member 1 having a surface 16- on which 5 can be raised.
7 and a core friction retainer 1 integrated with or separate from the member 17
8 is provided in the shaft cylinder 7, and the lead friction holder 18 can be freely expanded by the displacement of the member 17 when the front end surface 15 of the chuck body 3 is pressed against the surface 16. Empty return prevention device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP16914181U JPS5874585U (en) | 1981-11-13 | 1981-11-13 | Center return prevention device for sharp pencil |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP16914181U JPS5874585U (en) | 1981-11-13 | 1981-11-13 | Center return prevention device for sharp pencil |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS5874585U true JPS5874585U (en) | 1983-05-20 |
Family
ID=29961141
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP16914181U Pending JPS5874585U (en) | 1981-11-13 | 1981-11-13 | Center return prevention device for sharp pencil |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5874585U (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5513059B2 (en) * | 1974-10-31 | 1980-04-05 |
-
1981
- 1981-11-13 JP JP16914181U patent/JPS5874585U/en active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5513059B2 (en) * | 1974-10-31 | 1980-04-05 |
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