JPH01137283U - - Google Patents
Info
- Publication number
- JPH01137283U JPH01137283U JP2951188U JP2951188U JPH01137283U JP H01137283 U JPH01137283 U JP H01137283U JP 2951188 U JP2951188 U JP 2951188U JP 2951188 U JP2951188 U JP 2951188U JP H01137283 U JPH01137283 U JP H01137283U
- Authority
- JP
- Japan
- Prior art keywords
- chuck
- ball
- diameter
- case
- inner diameter
- 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図及び第２図は本考案の一実施例を示した
もので、第１図は全体の縦断面図、第２図はボー
ルチヤツクのボール嵌装部位の横断面図である。
また第３図は従来例を示す全体の縦断面図である
。
１……ボールチヤツク、２……芯把持部、３…
…ボール受座、４……ボール、５……基部、６…
…チヤツクバネ、７……チヤツクケース、８……
後端開口部、９……段部、１０……前端開口部、
１１……テーパ状内面部部、１２……止メリング
、１３……小径孔部、１４……大径孔部、１５…
…突起、１６……突起、１７……スリツト、１８
……大径部、１９……バネ受段部、２０……掛止
段部、２１……側壁。
1 and 2 show an embodiment of the present invention, with FIG. 1 being a longitudinal cross-sectional view of the entire ball chuck, and FIG. 2 being a cross-sectional view of the ball fitting portion of the ball chuck.
Further, FIG. 3 is an overall vertical sectional view showing a conventional example. 1...Ball chuck, 2...Lead gripping part, 3...
...Ball catch, 4...Ball, 5...Base, 6...
...Chuck spring, 7...Chick case, 8...
Rear end opening, 9... Step part, 10... Front end opening,
DESCRIPTION OF SYMBOLS 11... Tapered inner surface part, 12... Stop ring, 13... Small diameter hole part, 14... Large diameter hole part, 15...
...Protrusion, 16...Protrusion, 17...Slit, 18
. . . Large diameter portion, 19 . . . Spring receiving step portion, 20 .
Claims (1)
勢した状態でチヤツクケース内に装着してなるチ
ヤツクセツトにおいて、チヤツクケースの前端部
に設けたボールチヤツクのボールが転動するテー
パー状内面部より後方内孔部の最小内径をボール
チヤツクのボール嵌装部の外径を縮小した状態に
おけるボールを含む外接円の直径と同一かそれよ
り大きく設定すると共に、チヤツクケースの後端
内面部にボールチヤツクの後方への抜脱を阻止す
るストツパーを設けたことを特徴とするシヤープ
ペンシル用チヤツクセツト。 In a chuck set in which a ball chuck is mounted inside a chuck case with the ball chuck biased backward by a chuck spring, the minimum inner diameter of the inner hole behind the tapered inner surface on which the balls of the ball chuck provided at the front end of the chuck case roll is set as the minimum inner diameter of the ball chuck. The outer diameter of the ball fitting part is set to be equal to or larger than the diameter of the circumscribed circle containing the ball in the reduced state, and a stopper is provided on the inner surface of the rear end of the chuck case to prevent the ball chuck from slipping out backwards. A chuck set for a sharp pencil.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2951188U JPH061437Y2 (en) | 1988-03-04 | 1988-03-04 | Check Set for Sharp Pencil |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2951188U JPH061437Y2 (en) | 1988-03-04 | 1988-03-04 | Check Set for Sharp Pencil |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH01137283U true JPH01137283U (en) | 1989-09-20 |
| JPH061437Y2 JPH061437Y2 (en) | 1994-01-12 |
Family
ID=31253794
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2951188U Expired - Lifetime JPH061437Y2 (en) | 1988-03-04 | 1988-03-04 | Check Set for Sharp Pencil |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH061437Y2 (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4565894B2 (en) * | 2004-02-06 | 2010-10-20 | 三菱鉛筆株式会社 | Liquid applicator |
| JP2006056051A (en) * | 2004-08-18 | 2006-03-02 | Mitsubishi Pencil Co Ltd | Liquid coating applicator |
-
1988
- 1988-03-04 JP JP2951188U patent/JPH061437Y2/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPH061437Y2 (en) | 1994-01-12 |