EP0088318A3 - Propelling pencil with an automatic feed for the lead depending on the writing pressure - Google Patents

Propelling pencil with an automatic feed for the lead depending on the writing pressure Download PDF

Info

Publication number
EP0088318A3
EP0088318A3 EP83101906A EP83101906A EP0088318A3 EP 0088318 A3 EP0088318 A3 EP 0088318A3 EP 83101906 A EP83101906 A EP 83101906A EP 83101906 A EP83101906 A EP 83101906A EP 0088318 A3 EP0088318 A3 EP 0088318A3
Authority
EP
European Patent Office
Prior art keywords
writing pressure
lead
automatic feed
tip
propelling pencil
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Withdrawn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
EP83101906A
Other languages
German (de)
French (fr)
Other versions
EP0088318A2 (en
Inventor
Otto Dipl.-Ing. Katz
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.)
Faber Castell AG
Original Assignee
AW Faber Castell GmbH and Co
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
Application filed by AW Faber Castell GmbH and Co filed Critical AW Faber Castell GmbH and Co
Publication of EP0088318A2 publication Critical patent/EP0088318A2/en
Publication of EP0088318A3 publication Critical patent/EP0088318A3/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Withdrawn legal-status Critical Current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

Abstract

Ein Füllminenstift, bei dem die Mine automatisch mit Hilfe des Schreibdruckes durch das, gegen Federwirkung in die Stiftspitze zurückweichende Minenführungsrohr, beim Entspannen der Feder wieder so wiet aus der Spitze vorge­ stellt wird, wie sich die Mine abgenutzt hat. Der Schreib­ druck wird dabei von einer Spannzange aufgenommen, die sich mittels Wälzkörper an einem Innenkonus absützt. Die Spannzange besteht aus einem Führungskopf (16) an den Federarme (24) angeformt sind, die an ihrem freien Ende jeweils einen Spannbacken (25) aufweisen, der eine Klemmnut (27) für die Mine (12) und eine Lagertasche (30) zur Aufnahme des Wälzkörpers (35) enthält, die durch eine gerade Abrollbahn, einen Scheitelpunkt und eine Stützflä­ che gebildet wird und ist im Gießverfahren hergestellt. A refill pencil, with which the mine automatically with Help of the writing pressure by the, against spring action in lead guide tube retracting the tip of the pen, at Relax the spring again as featured from the tip how the mine wore out. The letter pressure is taken up by a collet that is supported on an inner cone by means of rolling elements. The Collet consists of a guide head (16) are integrally formed on the spring arms (24) on their free End each have a jaw (25), the one Clamping groove (27) for the lead (12) and a storage pocket (30) contains for receiving the rolling element (35) by a straight runway, a vertex and a support surface che is formed and is produced in the casting process.

EP83101906A 1982-03-05 1983-02-26 Propelling pencil with an automatic feed for the lead depending on the writing pressure Withdrawn EP0088318A3 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19823207923 DE3207923C2 (en) 1982-03-05 1982-03-05 Fine lead pencil with automatic lead advance caused by the writing pressure
DE3207923 1982-03-05

Publications (2)

Publication Number Publication Date
EP0088318A2 EP0088318A2 (en) 1983-09-14
EP0088318A3 true EP0088318A3 (en) 1985-07-10

Family

ID=6157392

Family Applications (1)

Application Number Title Priority Date Filing Date
EP83101906A Withdrawn EP0088318A3 (en) 1982-03-05 1983-02-26 Propelling pencil with an automatic feed for the lead depending on the writing pressure

Country Status (3)

Country Link
EP (1) EP0088318A3 (en)
JP (1) JPS58201696A (en)
DE (1) DE3207923C2 (en)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4571105A (en) * 1983-10-03 1986-02-18 Pentel Kabushiki Kaisha Lead engaging chuck mechanism for mechanical pencil
DE3336959C2 (en) * 1983-10-11 1994-09-22 Pentel Kk Collet mechanism for a mechanical pencil
EP0146128A3 (en) * 1983-12-15 1985-07-24 Micro Co., Ltd. Automatic mechanical pencil
JPS60191489U (en) * 1984-05-31 1985-12-19 ぺんてる株式会社 Notsuku style pencil
JPS6225589U (en) * 1985-07-30 1987-02-17
JPS62114788U (en) * 1986-01-13 1987-07-21
ES2030436T3 (en) * 1986-10-30 1992-11-01 MECHANICAL PENCIL MACHINE.
DE3906806A1 (en) * 1989-03-03 1990-09-06 Staedtler Fa J S Clamping gripper for refillable pencils
CN2152671Y (en) * 1992-12-15 1994-01-12 郝钰 Core for continuously propelling pencil
US6011084A (en) * 1998-06-26 2000-01-04 Binney & Smith Inc. Erasable colored pencil lead
DE102004028310B9 (en) 2004-06-12 2010-10-07 Schott Ag Method and device for producing the termination of an optical fiber bundle
JP7098297B2 (en) * 2017-10-06 2022-07-11 ゼブラ株式会社 mechanical pencil

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2452906A (en) * 1946-06-07 1948-11-02 Collura Francesco Mechanical pencil of the pushbutton type
DE2447431A1 (en) * 1974-10-04 1976-04-08 Faber Castell A W Propelling pencil with indexing lead - has internal flange supporting clamp for a spring and ring for lead jaws
DE2729320A1 (en) * 1977-06-29 1979-01-11 Katz Otto REFILL WITH AUTOMATIC FEED OF THE REFILL PRINTED BY PRINTING PRINT
GB2001011A (en) * 1977-07-12 1979-01-24 Faber Castell A W Propelling pencil
JPS55160881U (en) * 1979-05-09 1980-11-19
DE3112869A1 (en) * 1980-03-31 1982-02-04 Pentel K.K., Tokyo "MINER WRITER MECHANICS"

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE824454C (en) * 1948-10-02 1951-12-10 Albert Dinser Pen
DE2260065C3 (en) * 1972-12-08 1979-07-19 Fa. A.W. Faber-Castell, 8504 Stein Clutch pencil with movable lead
US4140408A (en) * 1976-08-20 1979-02-20 Pentel Kabushiki Kaisha Push type mechanical pencil
JPS5535178U (en) * 1978-08-30 1980-03-06
JPS56137997A (en) * 1980-03-31 1981-10-28 Pentel Kk Nose knock type propelling pencil

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2452906A (en) * 1946-06-07 1948-11-02 Collura Francesco Mechanical pencil of the pushbutton type
DE2447431A1 (en) * 1974-10-04 1976-04-08 Faber Castell A W Propelling pencil with indexing lead - has internal flange supporting clamp for a spring and ring for lead jaws
DE2729320A1 (en) * 1977-06-29 1979-01-11 Katz Otto REFILL WITH AUTOMATIC FEED OF THE REFILL PRINTED BY PRINTING PRINT
GB2001011A (en) * 1977-07-12 1979-01-24 Faber Castell A W Propelling pencil
JPS55160881U (en) * 1979-05-09 1980-11-19
DE3112869A1 (en) * 1980-03-31 1982-02-04 Pentel K.K., Tokyo "MINER WRITER MECHANICS"

Also Published As

Publication number Publication date
EP0088318A2 (en) 1983-09-14
DE3207923C2 (en) 1984-05-17
DE3207923A1 (en) 1983-09-15
JPS58201696A (en) 1983-11-24

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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

AK Designated contracting states

Designated state(s): AT CH DE FR GB IT LI NL SE

PUAL Search report despatched

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AK Designated contracting states

Designated state(s): AT CH DE FR GB IT LI NL SE

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

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18D Application deemed to be withdrawn

Effective date: 19850927

RIN1 Information on inventor provided before grant (corrected)

Inventor name: KATZ, OTTO, DIPL.-ING.