ES2033427T3 - Lapiz automatico. - Google Patents

Lapiz automatico.

Info

Publication number
ES2033427T3
ES2033427T3 ES198888302789T ES88302789T ES2033427T3 ES 2033427 T3 ES2033427 T3 ES 2033427T3 ES 198888302789 T ES198888302789 T ES 198888302789T ES 88302789 T ES88302789 T ES 88302789T ES 2033427 T3 ES2033427 T3 ES 2033427T3
Authority
ES
Spain
Prior art keywords
graphite
slider
point
mine
graphite mine
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.)
Expired - Lifetime
Application number
ES198888302789T
Other languages
English (en)
Inventor
Hidehei Kotobuki & Co. Ltd. Kageyama
Yoshihide Kotobuki & Co. Ltd. Mitsuya
Yoichi Kotobuki & Co. Ltd. Nakazato
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Kotobuki and Co Ltd
Original Assignee
Kotobuki and Co Ltd
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 claimed from JP62094905A external-priority patent/JPS63260493A/ja
Priority claimed from JP1987067102U external-priority patent/JPS63176685U/ja
Priority claimed from JP1987067103U external-priority patent/JPH0545515Y2/ja
Priority claimed from JP1987067101U external-priority patent/JPS63176683U/ja
Priority claimed from JP62155777A external-priority patent/JP2554260B2/ja
Priority claimed from JP1987145438U external-priority patent/JPS6450990U/ja
Application filed by Kotobuki and Co Ltd filed Critical Kotobuki and Co Ltd
Application granted granted Critical
Publication of ES2033427T3 publication Critical patent/ES2033427T3/es
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B43—WRITING OR DRAWING IMPLEMENTS; BUREAU ACCESSORIES
    • B43K—IMPLEMENTS FOR WRITING OR DRAWING
    • B43K21/00—Propelling pencils
    • B43K21/02—Writing-core feeding mechanisms
    • B43K21/027—Writing-core feeding mechanisms with sliding tubelike writing-core guide
    • B43K21/033—Writing-core feeding mechanisms with sliding tubelike writing-core guide with automatic feed by pressure during use of pencil

Landscapes

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

Abstract

SE DESCRIBE UN LAPIZ MECANICO EN EL QUE LA ALIMENTACION DE LA MINA DE GRAFITO SE HACE AUTOMATICAMENTE AL DEJAR DE ESCRIBIR UN RESBALADOR (3) SOBRE LA SUPERFICIE DE PAPEL O SIMILAR Y EL RESBALADOR PUEDE SER BLOQUEADO EN UNA POSICION RETRAIDA CUANDO EL LAPIZ NO SE USA; EL LAPIZ MECANICO INCLUYE UN ELEMENTO EN FORMA DE PUNTA (2) ADAPTADO EN EL PARTE FRONTAL DE LA ENVUELTA EXTRAIBLE; UN MANGUITO (4) DISPUESTO DE MANERA QUE DESLICE EN EL INTERIOR DE DICHO ELEMENTO DE PUNTA; UN MECANISMO DE AVANCE DE LA MINA DE GRAFITO (5) QUE ESTA MONTADO EN EL INTERIOR DEL MANGUITO Y QUE PERMITE UN MOVIMIENTO HACIA ADELANTE DE LA MINA DE GRAFITO; UN EXPULSOR (10) MONTADO EN EL EXTREMO DEL MANGUITO, CON EL EXTENSOR DE LA MINA DE GRAFITO A TRAVES DE LA BARRA DE EXPULSION; UN ELEMENTO DESLIZANTE DENTRO DE ELEMENTO EN PUNTA Y QUE TIENE UNA PARTE QUE QUEDA BLOQUEADA (35) CAPAZ DE ENGANCHAR DICHA PUNTA; EL ELEMENTO DESLIZANTE IMPARTE UNA FUERZA DE FRICCION PREDETERMINADA A LA MINA DE GRAFITO; Y UN MIEMBRO ELASTICO (11) DISPUESTO ENTRE EL RESBALADOR Y LA BARRA DE EXPULSION QUE TIENE UNA FUERZA MAS GRANDE QUE LA FUERZA DE AGARROTAMIENTO DEL MECANISMO DE AVANCE DE LA MINA DE GRAFITO EN UNA SITUACION DADA.
ES198888302789T 1987-04-17 1988-03-29 Lapiz automatico. Expired - Lifetime ES2033427T3 (es)

Applications Claiming Priority (6)

Application Number Priority Date Filing Date Title
JP62094905A JPS63260493A (ja) 1987-04-17 1987-04-17 シヤ−プペンシル
JP1987067102U JPS63176685U (es) 1987-05-02 1987-05-02
JP1987067103U JPH0545515Y2 (es) 1987-05-02 1987-05-02
JP1987067101U JPS63176683U (es) 1987-05-02 1987-05-02
JP62155777A JP2554260B2 (ja) 1987-06-23 1987-06-23 シヤ−プペンシル
JP1987145438U JPS6450990U (es) 1987-09-25 1987-09-25

Publications (1)

Publication Number Publication Date
ES2033427T3 true ES2033427T3 (es) 1993-03-16

Family

ID=27551060

Family Applications (1)

Application Number Title Priority Date Filing Date
ES198888302789T Expired - Lifetime ES2033427T3 (es) 1987-04-17 1988-03-29 Lapiz automatico.

Country Status (4)

Country Link
US (1) US4884910A (es)
EP (1) EP0287237B1 (es)
DE (1) DE3870973D1 (es)
ES (1) ES2033427T3 (es)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2585911Y2 (ja) * 1993-04-12 1998-11-25 株式会社壽 棒状物繰り出し容器
US5462376A (en) * 1994-02-16 1995-10-31 Kotobuki & Co., Ltd. Mechanical pencil with improved slider mechanism
DE19502779C5 (de) * 1994-03-26 2007-08-30 Faber-Castell Ag Druckbleistift
JP3466739B2 (ja) * 1994-10-28 2003-11-17 株式会社壽 シャープペンシルのスライダ
US5555602A (en) * 1994-12-14 1996-09-17 Leamond; William T. Eraser assembly
JP3323022B2 (ja) * 1995-01-19 2002-09-09 株式会社壽 シャープペンシル
FR2866598B1 (fr) * 2004-02-24 2008-04-04 Bic Soc Porte-mine a guide mine retractable
JP4847487B2 (ja) * 2008-03-26 2011-12-28 三菱鉛筆株式会社 シャープペンシル
JP5996219B2 (ja) * 2012-03-07 2016-09-21 三菱鉛筆株式会社 シャープペンシル
CN102815130B (zh) * 2012-09-11 2015-01-07 张宜德 前端揿动出芯式自动铅笔

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2153400A1 (de) * 1971-10-27 1973-05-03 Kemal Dipl Ing Butka Fuellstifte fuer duenne bleiminen
DE3112869A1 (de) * 1980-03-31 1982-02-04 Pentel K.K., Tokyo "minenschreibermechanik"
DE3032200C2 (de) * 1980-08-27 1982-11-25 Fa. J.S. Staedtler, 8500 Nürnberg Füllbleistift mit beim Schreiben selbsttätig erfolgendem Minenvorschub
JPS57189898A (en) * 1981-05-19 1982-11-22 Sakura Color Prod Corp Note
EP0146128A3 (en) * 1983-12-15 1985-07-24 Micro Co., Ltd. Automatic mechanical pencil
US4650359A (en) * 1984-04-27 1987-03-17 Pentel Kabushiki Kaisha Mechanical pencil with automatic lead advance
WO1986004300A1 (en) * 1985-01-26 1986-07-31 Kabushikikaisha Kotobuki Eversharp pencil
JPS6218296A (ja) * 1985-07-18 1987-01-27 ミクロ株式会社 シヤ−プペンシル
EP0215584B1 (en) * 1985-08-20 1990-01-10 KOTOBUKI & CO., LTD. Lead feed mechanism for mechanical pencil
DE3777546D1 (de) * 1986-10-30 1992-04-23 Kotobuki & Co Ltd Spannbacken fuer fuellminenstift.

Also Published As

Publication number Publication date
EP0287237B1 (en) 1992-05-13
DE3870973D1 (de) 1992-06-17
EP0287237A1 (en) 1988-10-19
US4884910A (en) 1989-12-05

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