JPH022188U - - Google Patents
Info
- Publication number
- JPH022188U JPH022188U JP7856288U JP7856288U JPH022188U JP H022188 U JPH022188 U JP H022188U JP 7856288 U JP7856288 U JP 7856288U JP 7856288 U JP7856288 U JP 7856288U JP H022188 U JPH022188 U JP H022188U
- Authority
- JP
- Japan
- Prior art keywords
- slider
- chuck mechanism
- ball
- ball chuck
- ring
- 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
Landscapes
- Mechanical Pencils And Projecting And Retracting Systems Therefor, And Multi-System Writing Instruments (AREA)
Description
第１図乃至第４図は、本考案の一実施例動作を
示す断面図である。
１……ホルダー、１ａ……スライダー開口部、
３……スライダースプリング、４……スライダー
、４ｃ……連設係合部、５……チヤツクリング、
５ｂ……スライダー受部、６……保持部材、７…
…ボールチヤツク機構、１１……ノツクスプリン
グ、Ａ……製図台、Ｌ……鉛筆芯。
1 to 4 are cross-sectional views showing the operation of an embodiment of the present invention. 1...Holder, 1a...Slider opening,
3...Slider spring, 4...Slider, 4c...Connection engagement part, 5...Chuck ring,
5b...Slider receiving part, 6...Holding member, 7...
...ball chuck mechanism, 11...knot spring, A...drafting table, L...pencil lead.
Claims (1)
て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であつて、ボールチヤツク
機構を常時ノツクスプリングにより前方に付勢し
、前記ボールチヤツク機構のチヤツクリングをス
ライダー内面に沿つて摺動自在に配設し、スライ
ダーとチヤツクリングが連設摺動可能な弾性を有
する連設係合部をスライダーに設けると共にチヤ
ツクリングにスライダー受部を配設し、前記チヤ
ツクリングとスライダーとの連設を解除するスラ
イダー開口部をホルダー内面に設けたことを特徴
とする自動製図機の画線ヘツド。 A ball chuck mechanism that allows the pencil lead to advance but prevents its retreat by a wedge action is disposed in the holder, and a slider having a holding member in front of the ball chuck mechanism is biased forward by a slider spring. It is a drawing head which is arranged so as to be slidable, and a ball chuck mechanism is always urged forward by a knock spring, and a chuck ring of the ball chuck mechanism is arranged so as to be freely slidable along the inner surface of a slider, and the chuck ring of the ball chuck mechanism is arranged so as to be slidable along the inner surface of the slider. The slider is provided with a connecting engagement portion having elasticity that allows the slider to be connected to the slider, a slider receiving portion is provided in the chuck ring, and a slider opening for releasing the connection between the chuck ring and the slider is provided on the inner surface of the holder. A drawing head for an automatic drafting machine characterized by:
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7856288U JPH0636957Y2 (en) | 1988-06-14 | 1988-06-14 | Drawing head of automatic drafting machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7856288U JPH0636957Y2 (en) | 1988-06-14 | 1988-06-14 | Drawing head of automatic drafting machine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH022188U true JPH022188U (en) | 1990-01-09 |
| JPH0636957Y2 JPH0636957Y2 (en) | 1994-09-28 |
Family
ID=31303479
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP7856288U Expired - Lifetime JPH0636957Y2 (en) | 1988-06-14 | 1988-06-14 | Drawing head of automatic drafting machine |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0636957Y2 (en) |
-
1988
- 1988-06-14 JP JP7856288U patent/JPH0636957Y2/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0636957Y2 (en) | 1994-09-28 |