JPH0248389U - - Google Patents
Info
- Publication number
- JPH0248389U JPH0248389U JP12890188U JP12890188U JPH0248389U JP H0248389 U JPH0248389 U JP H0248389U JP 12890188 U JP12890188 U JP 12890188U JP 12890188 U JP12890188 U JP 12890188U JP H0248389 U JPH0248389 U JP H0248389U
- Authority
- JP
- Japan
- Prior art keywords
- lead core
- holder
- slit
- chuck mechanism
- drawing head
- 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
Description
図面は、本考案の実施例を示すもので、第１図
、第３図および第４図は動作を示す断面図、第２
図は第１図におけるＡ―Ａ線断面図、第５図およ
び第６図は他の実施例を示す第２図に相当する部
分の断面図、第７図は他の実施例を示す拡大要部
断面図である。
１……ホルダー、３……スライダースプリング
、４……スライダー、５……鉛芯保持部材、６…
…ボールチヤツク機構、１４……スリツト、１６
……鉛芯押し具。
The drawings show an embodiment of the present invention, and FIGS. 1, 3, and 4 are cross-sectional views showing the operation, and FIG.
The figure is a sectional view taken along the line A-A in FIG. 1, FIGS. 5 and 6 are sectional views of a portion corresponding to FIG. 2 showing another embodiment, and FIG. 7 is an enlarged view showing another embodiment. FIG. 1... Holder, 3... Slider spring, 4... Slider, 5... Lead core holding member, 6...
...Ball chuck mechanism, 14...Slit, 16
...Lead coring tool.
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スラ
イダースプリングにより前方に付勢し摺動可能に
配置してなる画線ヘツドにおいて、前記ホルダー
後方にスリツトを設け、該スリツトを摺動可能な
鉛芯押し具と、ホルダー内に鉛芯を案内する案内
手段とを設けた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 attached in front of the ball chuck mechanism by a slider spring. In the drawing head which is arranged so as to be able to be pushed and slid, a slit is provided at the rear of the holder, a lead core pusher that can slide through the slit, and a guide means that guides the lead core into the holder. A drawing head for an automatic drafting machine characterized by:
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12890188U JPH0248389U (en) | 1988-09-30 | 1988-09-30 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12890188U JPH0248389U (en) | 1988-09-30 | 1988-09-30 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0248389U true JPH0248389U (en) | 1990-04-04 |
Family
ID=31382671
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP12890188U Pending JPH0248389U (en) | 1988-09-30 | 1988-09-30 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0248389U (en) |
-
1988
- 1988-09-30 JP JP12890188U patent/JPH0248389U/ja active Pending
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