JPS5833292U - Expanding device for ball chuck for sharp pencil - Google Patents
Expanding device for ball chuck for sharp pencilInfo
- Publication number
- JPS5833292U JPS5833292U JP12902481U JP12902481U JPS5833292U JP S5833292 U JPS5833292 U JP S5833292U JP 12902481 U JP12902481 U JP 12902481U JP 12902481 U JP12902481 U JP 12902481U JP S5833292 U JPS5833292 U JP S5833292U
- Authority
- JP
- Japan
- Prior art keywords
- chuck
- ball
- spring
- ball chuck
- expanding device
- 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)
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) [Abstract] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
第１図から第３図までは本考案の第１実施例を作動の順
番に示す断面図であり、第４図と第５図は本考案の第２
、第３実施例を示す断面図、第６図から第８図までは第
４実施例を作動の順番に示す断面図、第９−Ａ図と第９
−Ｂ図は先端部分の変形例を示す断面図である。
１・・・軸筒、２・・・チャック作動体、７・・・チャ
ック体、８・・・チャック用バネ、９・・・転子、１２
・・・押圧部材、１３・・・操作ノブ、１４・・・第２
のバネ、１６・・・押圧用腕片。1 to 3 are sectional views showing the first embodiment of the present invention in the order of operation, and FIGS. 4 and 5 are sectional views of the second embodiment of the present invention.
, sectional views showing the third embodiment, FIGS. 6 to 8 are sectional views showing the fourth embodiment in order of operation, and FIGS. 9-A and 9.
-B is a sectional view showing a modification of the tip portion. DESCRIPTION OF SYMBOLS 1... Shaft cylinder, 2... Chuck operating body, 7... Chuck body, 8... Spring for chuck, 9... Trochanter, 12
...Press member, 13...Operation knob, 14...Second
spring, 16...pressing arm piece.
Claims (1)
は第１のバネ６で後方に付勢すると共に一定長前後動可
能となし、ボールチャックのチャック体７は該チャック
作動体２との間に張設したチャック用バネ８と転子９を
介して前後動可能に装着し、該チャック体７の後方に第
２のバネ１４で後方に付勢すると共に軸筒１外に顕出す
る操作ノブ１３で前後動可能とした押圧部材１２を配設
し、その押圧部材１２またはチャック作動体２に可撓性
を付与した押圧用腕片１６を設け、チャック体７の押圧
前進時にはチャック作動体２を後退可能としたことを特
徴とするシャープペンシル用ボールチャックの拡開装置
。Chuck operating body 2 of the ball chuck inserted into the shaft cylinder 1
The chuck body 7 of the ball chuck is biased backward by a first spring 6 and can be moved back and forth by a certain length, and the chuck body 7 of the ball chuck is moved through a chuck spring 8 and a trochanter 9 stretched between it and the chuck operating body 2. At the rear of the chuck body 7, there is provided a pressing member 12 that is biased backward by a second spring 14 and is movable back and forth by an operating knob 13 exposed outside the shaft cylinder 1. For a mechanical pencil, the pressing member 12 or the chuck actuating body 2 is provided with a pressing arm piece 16 having flexibility, so that the chuck actuating body 2 can be retreated when the chuck body 7 is pushed forward. Ball chuck expansion device.
Priority Applications (5)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12902481U JPS5833292U (en) | 1981-08-31 | 1981-08-31 | Expanding device for ball chuck for sharp pencil |
| US06/408,719 US4521126A (en) | 1981-08-31 | 1982-08-16 | Mechanical pencil |
| FR8214802A FR2511947B1 (en) | 1981-08-31 | 1982-08-30 | MECHANICAL PENCIL |
| GB08224822A GB2105657B (en) | 1981-08-31 | 1982-08-31 | Mechanical pencil |
| DE19823232332 DE3232332A1 (en) | 1981-08-31 | 1982-08-31 | MECHANICAL PENCIL |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12902481U JPS5833292U (en) | 1981-08-31 | 1981-08-31 | Expanding device for ball chuck for sharp pencil |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5833292U true JPS5833292U (en) | 1983-03-04 |
| JPS6229272Y2 JPS6229272Y2 (en) | 1987-07-27 |
Family
ID=29922702
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP12902481U Granted JPS5833292U (en) | 1981-08-31 | 1981-08-31 | Expanding device for ball chuck for sharp pencil |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5833292U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6140295U (en) * | 1984-08-20 | 1986-03-14 | マックス株式会社 | Automatic drawing machine pencil lead chuck device |
-
1981
- 1981-08-31 JP JP12902481U patent/JPS5833292U/en active Granted
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6140295U (en) * | 1984-08-20 | 1986-03-14 | マックス株式会社 | Automatic drawing machine pencil lead chuck device |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS6229272Y2 (en) | 1987-07-27 |
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