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FR872077A - Porte-mine multiple - Google Patents

Porte-mine multiple

Info

Publication number
FR872077A
FR872077A FR872077DA FR872077A FR 872077 A FR872077 A FR 872077A FR 872077D A FR872077D A FR 872077DA FR 872077 A FR872077 A FR 872077A
Authority
FR
France
Prior art keywords
mechanical pencil
multiple mechanical
pencil
mechanical
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
Application number
Other languages
English (en)
Inventor
Karl Heinrich Heinz
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 filed Critical
Application granted granted Critical
Publication of FR872077A publication Critical patent/FR872077A/fr
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B43—WRITING OR DRAWING IMPLEMENTS; BUREAU ACCESSORIES
    • B43K—IMPLEMENTS FOR WRITING OR DRAWING
    • B43K24/00—Mechanisms for selecting, projecting, retracting or locking writing units
    • B43K24/10—Mechanisms for selecting, projecting, retracting or locking writing units for selecting, projecting and locking several writing units
    • B43K24/18—Mechanisms for selecting, projecting, retracting or locking writing units for selecting, projecting and locking several writing units and for feeding the writing-cores
    • B43K24/186—Mechanisms for selecting, projecting, retracting or locking writing units for selecting, projecting and locking several writing units and for feeding the writing-cores with a revolving barrel
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B43—WRITING OR DRAWING IMPLEMENTS; BUREAU ACCESSORIES
    • B43K—IMPLEMENTS FOR WRITING OR DRAWING
    • B43K24/00—Mechanisms for selecting, projecting, retracting or locking writing units
    • B43K24/10—Mechanisms for selecting, projecting, retracting or locking writing units for selecting, projecting and locking several writing units
    • B43K24/14—Mechanisms for selecting, projecting, retracting or locking writing units for selecting, projecting and locking several writing units operated by turning means
    • B43K24/146—Mechanisms for selecting, projecting, retracting or locking writing units for selecting, projecting and locking several writing units operated by turning means with cam control
FR872077D 1939-08-17 1941-05-10 Porte-mine multiple Expired FR872077A (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DEH160407D DE709834C (de) 1939-08-17 1939-08-17 Wechselschreibstift mit drei um einen mittig in der Mantelhuelse vor einem Vorschubstab angeordneten Laengskanal gruppierten Kammern fuer je einen Farbminenhalter
FR872077T 1941-05-10

Publications (1)

Publication Number Publication Date
FR872077A true FR872077A (fr) 1942-05-29

Family

ID=5831717

Family Applications (1)

Application Number Title Priority Date Filing Date
FR872077D Expired FR872077A (fr) 1939-08-17 1941-05-10 Porte-mine multiple

Country Status (3)

Country Link
CH (1) CH219168A (fr)
DE (1) DE709834C (fr)
FR (1) FR872077A (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1275408B (de) * 1959-03-25 1968-08-14 Walter Naegele Wechselschreibstift
FR2693953A1 (fr) * 1992-07-24 1994-01-28 Dupont S T Instrument d'écriture à mine.

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2703070A (en) * 1950-10-10 1955-03-01 Prismatic Inc Mechanical pencil
CN106427304B (zh) * 2016-11-22 2017-12-01 哈尔滨理工大学 一种用于绘制不同线宽和线型的机械制图画线笔

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1275408B (de) * 1959-03-25 1968-08-14 Walter Naegele Wechselschreibstift
FR2693953A1 (fr) * 1992-07-24 1994-01-28 Dupont S T Instrument d'écriture à mine.

Also Published As

Publication number Publication date
DE709834C (de) 1941-08-28
CH219168A (de) 1942-01-31

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