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EP0146128A3 - Automatic mechanical pencil - Google Patents

Automatic mechanical pencil Download PDF

Info

Publication number
EP0146128A3
EP0146128A3 EP84115435A EP84115435A EP0146128A3 EP 0146128 A3 EP0146128 A3 EP 0146128A3 EP 84115435 A EP84115435 A EP 84115435A EP 84115435 A EP84115435 A EP 84115435A EP 0146128 A3 EP0146128 A3 EP 0146128A3
Authority
EP
European Patent Office
Prior art keywords
lead
chuck
mechanical pencil
automatic mechanical
portions
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.)
Withdrawn
Application number
EP84115435A
Other languages
German (de)
French (fr)
Other versions
EP0146128A2 (en
Inventor
Syouzo Shima
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.)
Micro Co Ltd
Original Assignee
Micro 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 JP23501683A external-priority patent/JPS60127197A/en
Priority claimed from JP18964984A external-priority patent/JPS6168297A/en
Application filed by Micro Co Ltd filed Critical Micro Co Ltd
Publication of EP0146128A2 publication Critical patent/EP0146128A2/en
Publication of EP0146128A3 publication Critical patent/EP0146128A3/en
Withdrawn legal-status Critical Current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
    • B43K21/22—Writing-cores gripping means, e.g. chucks
    • 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

Automatic mechanical pencil provided with a chuck which will grip a lead to allow the advance of the same, wherein the lead is kept prevented from retraction when it is pushed back by writing pressure, while the advance move­ ment of the lead is allowed when it is to be advanced. The chuck is formed by the combination of two chuck elements, which will cooperate to grip the lead at their front ends. In­ termediate portions of the chuck elements are swingably connected, so that when rear portions of the connection are pushed by a spring, front portions of chuck elements will be opened in the direction of mutual disconnection to release the lead.
EP84115435A 1983-12-15 1984-12-14 Automatic mechanical pencil Withdrawn EP0146128A3 (en)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
JP235016/83 1983-12-15
JP23501683A JPS60127197A (en) 1983-12-15 1983-12-15 Automatic delivery type propelling pen
JP189649/84 1984-09-12
JP18964984A JPS6168297A (en) 1984-09-12 1984-09-12 Automatic delivery type propelling pencil

Publications (2)

Publication Number Publication Date
EP0146128A2 EP0146128A2 (en) 1985-06-26
EP0146128A3 true EP0146128A3 (en) 1985-07-24

Family

ID=26505588

Family Applications (1)

Application Number Title Priority Date Filing Date
EP84115435A Withdrawn EP0146128A3 (en) 1983-12-15 1984-12-14 Automatic mechanical pencil

Country Status (1)

Country Link
EP (1) EP0146128A3 (en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6218296A (en) * 1985-07-18 1987-01-27 ミクロ株式会社 Propelling pencil
DE3668140D1 (en) * 1985-08-20 1990-02-15 Kotobuki & Co Ltd REFILL MECHANISM FOR FILL REFILL.
DE3750903T2 (en) * 1986-10-30 1995-04-20 Kotobuki & Co Ltd Clamping jaws for a refill pencil.
US4884910A (en) * 1987-04-17 1989-12-05 Kotobuki & Co., Ltd. Mechanical pencil
FR2765149B1 (en) * 1997-06-30 1999-09-03 Val De Marne Atel Du MINING HOLDER PENCIL
JP4240417B2 (en) * 2006-06-05 2009-03-18 三菱鉛筆株式会社 mechanical pencil

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2001011A (en) * 1977-07-12 1979-01-24 Faber Castell A W Propelling pencil
EP0088318A2 (en) * 1982-03-05 1983-09-14 A.W. Faber - Castell Propelling pencil with an automatic feed for the lead depending on the writing pressure

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2001011A (en) * 1977-07-12 1979-01-24 Faber Castell A W Propelling pencil
EP0088318A2 (en) * 1982-03-05 1983-09-14 A.W. Faber - Castell Propelling pencil with an automatic feed for the lead depending on the writing pressure

Also Published As

Publication number Publication date
EP0146128A2 (en) 1985-06-26

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Legal Events

Date Code Title Description
PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

Free format text: ORIGINAL CODE: 0009012

PUAL Search report despatched

Free format text: ORIGINAL CODE: 0009013

AK Designated contracting states

Designated state(s): DE FR GB IT

AK Designated contracting states

Designated state(s): DE FR GB IT

17P Request for examination filed

Effective date: 19850911

17Q First examination report despatched

Effective date: 19860827

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: THE APPLICATION IS DEEMED TO BE WITHDRAWN

18D Application deemed to be withdrawn

Effective date: 19880830

RIN1 Information on inventor provided before grant (corrected)

Inventor name: SHIMA, SYOUZO