JPS6353790U - - Google Patents
Info
- Publication number
- JPS6353790U JPS6353790U JP14837286U JP14837286U JPS6353790U JP S6353790 U JPS6353790 U JP S6353790U JP 14837286 U JP14837286 U JP 14837286U JP 14837286 U JP14837286 U JP 14837286U JP S6353790 U JPS6353790 U JP S6353790U
- Authority
- JP
- Japan
- Prior art keywords
- lead core
- chuck mechanism
- ball chuck
- drawing head
- ball
- 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
Landscapes
- Mechanical Pencils And Projecting And Retracting Systems Therefor, And Multi-System Writing Instruments (AREA)
Description
図面は本考案の実施例を示すもので、第１図は
縦断面図、第２図は第１図におけるチヤツク体の
拡大縦断面図、第３図は第２図のＡ―Ａ線断面図
、第４図は他の例を示す断面図、第５図は従来の
ボールチヤツク機構を示す縦断面図、第６図は第
５図の鉛芯挾持面を示す断面図である。
１……ホルダー、２……チヤツク体、２ａ……
チヤツク片、８……ボールチヤツク機構、９……
スライダー、１０……鉛芯戻り止め、１１……弾
撥部材、１５……鉛芯挾持面、１５ａ……内辺。
The drawings show an embodiment of the present invention, and FIG. 1 is a longitudinal cross-sectional view, FIG. 2 is an enlarged vertical cross-sectional view of the chuck body in FIG. 1, and FIG. 3 is a cross-sectional view taken along line AA in FIG. , FIG. 4 is a sectional view showing another example, FIG. 5 is a longitudinal sectional view showing a conventional ball chuck mechanism, and FIG. 6 is a sectional view showing the lead core clamping surface of FIG. 5. 1...Holder, 2...Chick, 2a...
Chuck piece, 8...Ball chuck mechanism, 9...
Slider, 10... Lead core detent, 11... Elastic member, 15... Lead core clamping surface, 15a... Inner side.
Claims (1)
妨げることが可能なボールチヤツク機構をホルダ
ー内に配置するとともに、該ボールチヤツク機構
の前方に鉛芯保持部材を有するスライダーを弾撥
部材により前方に付勢し摺動自在に配置してなる
画線ヘツドにおいて、前記ボールチヤツク機構の
チヤツク体が備える２個のチヤツク片各々の前端
部内面に鉛芯の外面に当接する２個の傾斜した内
辺を有する鉛芯挾持面を設けてなることを特徴と
する自動製図機の画線ヘツド。 A ball chuck mechanism that allows the lead core to advance but prevents its retreat by a wedge action is disposed in the holder, and a slider having a lead core holding member is moved forward by an elastic member in front of the ball chuck mechanism. In the drawing head which is biased and slidably arranged, the chuck body of the ball chuck mechanism has two slanted inner sides on the inner surface of the front end of each of the two chuck pieces that come into contact with the outer surface of the lead core. A drawing head for an automatic drafting machine, characterized in that it is provided with a lead core holding surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14837286U JPS6353790U (en) | 1986-09-27 | 1986-09-27 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14837286U JPS6353790U (en) | 1986-09-27 | 1986-09-27 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6353790U true JPS6353790U (en) | 1988-04-11 |
Family
ID=31062578
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP14837286U Pending JPS6353790U (en) | 1986-09-27 | 1986-09-27 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6353790U (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5518226U (en) * | 1978-07-21 | 1980-02-05 | ||
| JPS6021273U (en) * | 1983-06-22 | 1985-02-14 | ジューキ株式会社 | Sewing machine presser foot lifting device |
| JPS60179299A (en) * | 1984-02-27 | 1985-09-13 | 三菱鉛筆株式会社 | Method of machining lead fixing chuck for propelling pencil |
-
1986
- 1986-09-27 JP JP14837286U patent/JPS6353790U/ja active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5518226U (en) * | 1978-07-21 | 1980-02-05 | ||
| JPS6021273U (en) * | 1983-06-22 | 1985-02-14 | ジューキ株式会社 | Sewing machine presser foot lifting device |
| JPS60179299A (en) * | 1984-02-27 | 1985-09-13 | 三菱鉛筆株式会社 | Method of machining lead fixing chuck for propelling pencil |
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