JPS6446283U - - Google Patents
Info
- Publication number
- JPS6446283U JPS6446283U JP14086287U JP14086287U JPS6446283U JP S6446283 U JPS6446283 U JP S6446283U JP 14086287 U JP14086287 U JP 14086287U JP 14086287 U JP14086287 U JP 14086287U JP S6446283 U JPS6446283 U JP S6446283U
- Authority
- JP
- Japan
- Prior art keywords
- chuck
- lead
- protrusion
- core
- view
- 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
- 230000037431 insertion Effects 0.000 claims 2
- 238000003780 insertion Methods 0.000 claims 2
- 230000002093 peripheral effect Effects 0.000 claims 2
- 238000010586 diagram Methods 0.000 description 1
Landscapes
- Mechanical Pencils And Projecting And Retracting Systems Therefor, And Multi-System Writing Instruments (AREA)
Description
第1図Aはこの考案の一実施例を適用したシヤ
ープペンシルの縦断面図、第1図Bは同要部縦断
面図、第1図Cはリードチヤツクの開放時の同要
部縦断面図、第2図は先具の平面図、第3図は第
2図のA―A線断面図、第4図は第2図の背面図
、第5図は先具の摺動溝の説明斜視図、第6図は
スライダーの平面図、第7図は第6図のB―B線
断面図、第8図は第6図の背面図、第9図はスリ
ーブの平面図、第10図は第9図のC―C線断面
図、第11図は第9図の背面図、第12図Aは胴
リングの正面図、第12図BはD―D線断面図、
第13図Aは突き出しバーの平面図、第13図B
はE―E線断面図、第14図はリードチヤツク部
材の縦断面図、第15図は同リードチヤツク部材
の平面図、第16図は同側面図、第17図はリー
ドチヤツクの側面図、第18図はボール保持部の
説明斜視図、第19図は第17図のF―F線断面
図、第20図は第17図のG―G線断面図、第2
1図〜第23図はリードチヤツク部材の実施例の
底面図、第24図、第25図は他の実施例のリー
ドチヤツク頭部の縦断面図、第26〜第30図は
芯送出動作、ロツク動作の説明図を示す。
1は外筒、2は先具、3はスライダー、4はス
リーブ、5は芯送出機構、51はリードチヤツク
、52はボール保持部、52aは凸状部、55は
係止段部、55aはスプリング係止突部、55b
はストツパ当接突部、56は締付用の弾性体、6
はストツパ、9は胴リング、10は突き出しバー
、107は開放傾斜部、11,12は弾性体、S
は芯。
FIG. 1A is a longitudinal sectional view of a sharpening pencil to which an embodiment of this invention is applied, FIG. 1B is a longitudinal sectional view of the same essential part, and FIG. Fig. 2 is a plan view of the tip, Fig. 3 is a sectional view taken along the line A--A in Fig. 2, Fig. 4 is a rear view of Fig. 2, and Fig. 5 is an explanatory perspective view of the sliding groove of the tip. , FIG. 6 is a plan view of the slider, FIG. 7 is a sectional view taken along the line B-B in FIG. 6, FIG. 8 is a rear view of FIG. 6, FIG. 9 is a plan view of the sleeve, and FIG. 11 is a rear view of FIG. 9, FIG. 12A is a front view of the trunk ring, FIG. 12B is a sectional view taken along line D-D,
Figure 13A is a plan view of the ejector bar, Figure 13B
14 is a longitudinal sectional view of the lead chuck member, FIG. 15 is a plan view of the same lead chuck member, FIG. 16 is a side view of the same, FIG. 17 is a side view of the lead chuck, and FIG. 18 is a sectional view taken along line E-E. 19 is an explanatory perspective view of the ball holding part, FIG. 19 is a sectional view taken along line FF in FIG. 17, FIG. 20 is a sectional view taken along line GG in FIG.
1 to 23 are bottom views of an embodiment of the lead chuck member, FIGS. 24 and 25 are longitudinal sectional views of the lead chuck head of other embodiments, and FIGS. 26 to 30 are lead feeding and locking operations. An explanatory diagram is shown. 1 is an outer cylinder, 2 is a tip, 3 is a slider, 4 is a sleeve, 5 is a core delivery mechanism, 51 is a lead chuck, 52 is a ball holding part, 52a is a convex part, 55 is a locking step part, 55a is a spring Locking protrusion, 55b
is a stopper abutting protrusion, 56 is an elastic body for tightening, 6
9 is a stopper, 9 is a body ring, 10 is a protruding bar, 107 is an opening inclined portion, 11 and 12 are elastic bodies, S
is the core.
Claims (1)
成されたチヤツク部材51a,51bと、このチ
ヤツク部材51a,51bの外周部に形成された
ボール保持用のボール保持部52と、このボール
保持部52の後方でかつ上記チヤツク部材51a
,51bの外周部に突設された係止段部55と、
この係止段部55の前方側の一部に前方に向けて
突設されたスプリング係止用のスプリング係止突
部55aと、上記係止段部55の後方側の一部で
かつ上記スプリング係止突部55aと所定距離隔
て、後方に向けて突設されたストツパ当接突部5
5bと、上記チヤツク部材51a,51bの先端
側内周面に形成され、芯Sを保持する芯支持部5
13とを備えたシヤープペンシルのリードチヤツ
ク。 (2) ストツパ当接突部55bとスプリング係止
突部55aとは、芯挿通孔57の中心から略90
°程度隔間した位置で突設されていることを特徴
とする実用新案登録請求の範囲第1項記載のシヤ
ープペンシルのリードチヤツク。 (3) リードチヤツク部材51a,51bのボー
ル保持部52の所定の周縁部に土手状の凸状部5
2aを形成したことを特徴とする実用新案登録請
求の範囲第1項記載のシヤープペンシルのリード
チヤツク。[Claims for Utility Model Registration] (1) A chuck member 51a, 51b formed into multiple parts and having a core insertion hole 57 in the shaft center, and a ball retainer formed on the outer periphery of the chuck member 51a, 51b. and the chuck member 51a behind the ball holding portion 52 and the chuck member 51a.
, 51b, a locking step portion 55 protruding from the outer peripheral portion of the
A spring locking protrusion 55a for spring locking is provided on a part of the front side of the locking step 55 and protrudes forward; A stopper contacting protrusion 5 is provided to protrude rearward at a predetermined distance from the locking protrusion 55a.
5b, and a core support portion 5 that is formed on the inner circumferential surface of the tip side of the chuck members 51a and 51b and that holds the core S.
Sharp pencil lead chuck with 13. (2) The stopper abutting protrusion 55b and the spring locking protrusion 55a are approximately 90 mm from the center of the core insertion hole 57.
A lead chuck for a sharpening pencil according to claim 1 of claim 1, characterized in that the lead chucks are protruded at positions spaced apart from each other by approximately . (3) A bank-shaped convex portion 5 is provided at a predetermined peripheral edge of the ball holding portion 52 of the lead chuck members 51a, 51b.
2a. A lead chuck for a sharpening pencil according to claim 1, characterized in that the lead chuck has a shape of 2a.
Priority Applications (9)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP14086287U JPH0617588Y2 (en) | 1987-09-17 | 1987-09-17 | Mechanical pencil lead chuck |
DE8787309608T DE3777546D1 (en) | 1986-10-30 | 1987-10-30 | CLAMPING JAWS FOR REFILL PEN. |
US07/114,745 US4872776A (en) | 1986-10-30 | 1987-10-30 | Lead chuck of mechanical pencil |
ES90200931T ES2066100T3 (en) | 1986-10-30 | 1987-10-30 | PENCIL NOZZLE OF A MECHANICAL PENCIL. |
EP87309608A EP0268398B1 (en) | 1986-10-30 | 1987-10-30 | Lead chuck of mechanical pencil |
ES198787309608T ES2030436T3 (en) | 1986-10-30 | 1987-10-30 | MECHANICAL PENCIL MACHINE. |
DE3750903T DE3750903T2 (en) | 1986-10-30 | 1987-10-30 | Clamping jaws for a refill pencil. |
EP90200931A EP0383412B1 (en) | 1986-10-30 | 1987-10-30 | Lead chuck of mechanical pencil |
KR878724254U KR900009024Y1 (en) | 1987-09-17 | 1987-12-31 | Sharp pencil |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP14086287U JPH0617588Y2 (en) | 1987-09-17 | 1987-09-17 | Mechanical pencil lead chuck |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS6446283U true JPS6446283U (en) | 1989-03-22 |
JPH0617588Y2 JPH0617588Y2 (en) | 1994-05-11 |
Family
ID=15278471
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP14086287U Expired - Lifetime JPH0617588Y2 (en) | 1986-10-30 | 1987-09-17 | Mechanical pencil lead chuck |
Country Status (2)
Country | Link |
---|---|
JP (1) | JPH0617588Y2 (en) |
KR (1) | KR900009024Y1 (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2016036949A (en) * | 2014-08-06 | 2016-03-22 | ゼブラ株式会社 | Lead core delivery mechanism and mechanical pencil |
JP2018192697A (en) * | 2017-05-17 | 2018-12-06 | 三菱鉛筆株式会社 | Chuck structure of mechanical pencil |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR20040001119A (en) * | 2002-06-27 | 2004-01-07 | 대우전자주식회사 | capacitor durability test device |
JP6618143B2 (en) * | 2015-11-16 | 2019-12-11 | 株式会社壽 | Writing instrument |
-
1987
- 1987-09-17 JP JP14086287U patent/JPH0617588Y2/en not_active Expired - Lifetime
- 1987-12-31 KR KR878724254U patent/KR900009024Y1/en not_active IP Right Cessation
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2016036949A (en) * | 2014-08-06 | 2016-03-22 | ゼブラ株式会社 | Lead core delivery mechanism and mechanical pencil |
JP2018192697A (en) * | 2017-05-17 | 2018-12-06 | 三菱鉛筆株式会社 | Chuck structure of mechanical pencil |
Also Published As
Publication number | Publication date |
---|---|
KR900009024Y1 (en) | 1990-09-29 |
JPH0617588Y2 (en) | 1994-05-11 |
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