JPS59164784U - Expanding device for ball chuck for sharp pencil - Google Patents
Expanding device for ball chuck for sharp pencilInfo
- Publication number
- JPS59164784U JPS59164784U JP5857183U JP5857183U JPS59164784U JP S59164784 U JPS59164784 U JP S59164784U JP 5857183 U JP5857183 U JP 5857183U JP 5857183 U JP5857183 U JP 5857183U JP S59164784 U JPS59164784 U JP S59164784U
- Authority
- JP
- Japan
- Prior art keywords
- chuck
- ball
- groove
- knob
- pressing member
- 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) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
図面は本考案の実施例を示すもので、第１図は不使用時
の縦断面図、第２図は要部斜視図、第３図、第４図は作
用説明図、第５図は他の実施例を゛示す要部縦断面図で
ある。
１・・・・・・軸筒、２・・・・・・チャック作動体、
３・・・・・・弾撥体、８．２３・・・・・・溝、９．
２４・・・・・・抵抗箇所、１０・・・・・・チャック
体、１１・・・・・・弾撥体、１３・・・・・・ボール
、１７・・・・・・押圧部材、１８・・・・・・弾撥体
、１９・・・・・・ノブ、２０．２２・・・・・・突部
。The drawings show an embodiment of the present invention, in which Fig. 1 is a longitudinal sectional view when not in use, Fig. 2 is a perspective view of the main parts, Figs. FIG. 1... shaft cylinder, 2... chuck actuating body,
3...Elastic body, 8.23...Groove, 9.
24...Resistance point, 10...Chuck body, 11...Elastic body, 13...Ball, 17...Press member, 18...Elastic body, 19...Knob, 20.22...Protrusion.
Claims (1)
ック作動体２と、軸筒１より−出せるノブ１，９を連設
し弾撥体１８で後方に付勢し配置した押圧部材１７との
何れか一方に突部２０．２２を、他方に溝８．２３並び
に該溝８．２３．の内側面に抵抗箇所９．２４を設け、
前記チャック作動体２の内方、且つ、押圧部材１７の前
方にチャック作動体２との間に張設した弾撥体１１によ
りボール１３を介して後方に付勢しチャック体１０を配
置してなり、前記ノブ１９の押圧により、突部２０，２
２を溝８．２３内側の抵抗箇所９゜２４に当接せしめて
ボールチャック全体を一定長前進させ、更なるノブ１９
の押圧により突部２０゜２２が抵抗箇所９．２４を乗り
越えるようにしてチャック体１０のみを前進拡開させ、
ノブ１９の抑圧解除の際にはチャック体１０が拡開した
まま一定長後通するようなしたシャープペンシル用ボー
ルチャックの拡開装置。A chuck actuating body 2 is arranged so as to be biased backward by a resilient body 3 provided in the barrel 1, and knobs 1 and 9 that can be pulled out from the barrel 1 are arranged in series and biased backward by a resilient body 18. A protrusion 20.22 is provided on one side of the pressing member 17, and a groove 8.23 and the groove 8.23. A resistance point 9.24 is provided on the inner surface of the
The chuck body 10 is placed inwardly of the chuck actuating body 2 and in front of the pressing member 17 and urged rearward via a ball 13 by an elastic body 11 stretched between the chuck actuating body 2 and the pressing member 17. Then, by pressing the knob 19, the protrusions 20, 2
2 to the resistance point 9° 24 inside the groove 8.23, move the entire ball chuck forward a certain distance, and then press the further knob 19.
By pressing, only the chuck body 10 is moved forward and expanded so that the protrusion 20°22 overcomes the resistance point 9.24,
This expanding device for a ball chuck for a mechanical pencil allows the ball chuck for a mechanical pencil to be passed through after a certain length while the chuck body 10 remains expanded when the pressure of a knob 19 is released.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5857183U JPS59164784U (en) | 1983-04-18 | 1983-04-18 | Expanding device for ball chuck for sharp pencil |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5857183U JPS59164784U (en) | 1983-04-18 | 1983-04-18 | Expanding device for ball chuck for sharp pencil |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS59164784U true JPS59164784U (en) | 1984-11-05 |
| JPH0140715Y2 JPH0140715Y2 (en) | 1989-12-05 |
Family
ID=30188852
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP5857183U Granted JPS59164784U (en) | 1983-04-18 | 1983-04-18 | Expanding device for ball chuck for sharp pencil |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS59164784U (en) |
-
1983
- 1983-04-18 JP JP5857183U patent/JPS59164784U/en active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0140715Y2 (en) | 1989-12-05 |
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