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
Application number
JP14086287U
Other languages
Japanese (ja)
Other versions
JPH0617588Y2 (en
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Priority to JP14086287U priority Critical patent/JPH0617588Y2/en
Application filed filed Critical
Priority to EP87309608A priority patent/EP0268398B1/en
Priority to DE8787309608T priority patent/DE3777546D1/en
Priority to US07/114,745 priority patent/US4872776A/en
Priority to ES90200931T priority patent/ES2066100T3/en
Priority to ES198787309608T priority patent/ES2030436T3/en
Priority to DE3750903T priority patent/DE3750903T2/en
Priority to EP90200931A priority patent/EP0383412B1/en
Priority to KR878724254U priority patent/KR900009024Y1/en
Publication of JPS6446283U publication Critical patent/JPS6446283U/ja
Application granted granted Critical
Publication of JPH0617588Y2 publication Critical patent/JPH0617588Y2/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Landscapes

  • Mechanical Pencils And Projecting And Retracting Systems Therefor, And Multi-System Writing Instruments (AREA)

Description

【図面の簡単な説明】[Brief explanation of the drawing]

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)

【実用新案登録請求の範囲】 (1) 軸心部に芯挿通孔５７を有し、複数分割形
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.
JP14086287U 1986-10-30 1987-09-17 Mechanical pencil lead chuck Expired - Lifetime JPH0617588Y2 (en)

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)

* Cited by examiner, † Cited by third party
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)

* Cited by examiner, † Cited by third party
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

Cited By (2)

* Cited by examiner, † Cited by third party
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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