FR2268650A1 - Mechanical pencil with chuck above movable cylinder - has ring to aid retraction when tip is upward - Google Patents

Mechanical pencil with chuck above movable cylinder - has ring to aid retraction when tip is upward

Info

Publication number
FR2268650A1
FR2268650A1 FR7414002A FR7414002A FR2268650A1 FR 2268650 A1 FR2268650 A1 FR 2268650A1 FR 7414002 A FR7414002 A FR 7414002A FR 7414002 A FR7414002 A FR 7414002A FR 2268650 A1 FR2268650 A1 FR 2268650A1
Authority
FR
France
Prior art keywords
ring
lead
movable cylinder
upward
tip
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
FR7414002A
Other languages
English (en)
Other versions
FR2268650B1 (fr
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.)
MITSUYA YOSHIHIDE JA
Original Assignee
MITSUYA YOSHIHIDE JA
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 GB1601374A priority Critical patent/GB1456115A/en
Priority to AU67706/74A priority patent/AU485791B2/en
Priority to US459854A priority patent/US3899256A/en
Application filed by MITSUYA YOSHIHIDE JA filed Critical MITSUYA YOSHIHIDE JA
Priority to FR7414002A priority patent/FR2268650A1/fr
Priority to DE2420448A priority patent/DE2420448C3/de
Publication of FR2268650A1 publication Critical patent/FR2268650A1/fr
Application granted granted Critical
Publication of FR2268650B1 publication Critical patent/FR2268650B1/fr
Granted 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
    • B43K21/16—Writing-core feeding mechanisms with stepwise feed of writing-cores
    • 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
    • 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
    • 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

Landscapes

  • Mechanical Pencils And Projecting And Retracting Systems Therefor, And Multi-System Writing Instruments (AREA)
FR7414002A 1974-04-10 1974-04-23 Mechanical pencil with chuck above movable cylinder - has ring to aid retraction when tip is upward Granted FR2268650A1 (en)

Priority Applications (5)

Application Number Priority Date Filing Date Title
GB1601374A GB1456115A (en) 1974-04-10 1974-04-10 Mechanical pencil
AU67706/74A AU485791B2 (en) 1974-04-10 1974-04-10 Mechanical pencil
US459854A US3899256A (en) 1974-04-10 1974-04-10 Mechanical pencil
FR7414002A FR2268650A1 (en) 1974-04-10 1974-04-23 Mechanical pencil with chuck above movable cylinder - has ring to aid retraction when tip is upward
DE2420448A DE2420448C3 (de) 1974-04-10 1974-04-26 Füllbleistift

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
GB1601374A GB1456115A (en) 1974-04-10 1974-04-10 Mechanical pencil
AU67706/74A AU485791B2 (en) 1974-04-10 1974-04-10 Mechanical pencil
US459854A US3899256A (en) 1974-04-10 1974-04-10 Mechanical pencil
FR7414002A FR2268650A1 (en) 1974-04-10 1974-04-23 Mechanical pencil with chuck above movable cylinder - has ring to aid retraction when tip is upward
DE2420448A DE2420448C3 (de) 1974-04-10 1974-04-26 Füllbleistift

Publications (2)

Publication Number Publication Date
FR2268650A1 true FR2268650A1 (en) 1975-11-21
FR2268650B1 FR2268650B1 (fr) 1976-12-17

Family

ID=60200854

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7414002A Granted FR2268650A1 (en) 1974-04-10 1974-04-23 Mechanical pencil with chuck above movable cylinder - has ring to aid retraction when tip is upward

Country Status (5)

Country Link
US (1) US3899256A (fr)
AU (1) AU485791B2 (fr)
DE (1) DE2420448C3 (fr)
FR (1) FR2268650A1 (fr)
GB (1) GB1456115A (fr)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2609671C2 (de) * 1976-03-09 1983-11-24 Helmut Dipl.-Ing. 8501 Altenberg Bross Mechanischer Druckbleistift mit beweglichem Minenschutzrohr
DE2611608B2 (de) * 1976-03-19 1979-05-23 Fa. A.W. Faber-Castell, 8504 Stein Fallminenstift mit durch Aufdrücken der Stiftspitze bewirktem Minenvorschub
US4171170A (en) * 1977-03-31 1979-10-16 Kotobuki & Co., Ltd. Automatic pencil
US4270870A (en) * 1977-05-22 1981-06-02 Ancos Co., Ltd. Mechanical pencil with chuck closing by normal writing grip
US4411543A (en) * 1979-10-29 1983-10-25 Pentel Kabushiki Kaisha Self-feeding mechanical pencil
US5117583A (en) * 1990-07-25 1992-06-02 Reum Mark T Landscape terracing material
JP6589370B2 (ja) * 2014-05-30 2019-10-16 ぺんてる株式会社 シャープペンシル

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2385329A (en) * 1944-06-02 1945-09-25 J D Buchanan Pencil
US2532748A (en) * 1948-09-14 1950-12-05 Koh I Noor L & C Hardtmuth Push-cap operated pencil
US3537799A (en) * 1967-12-20 1970-11-03 Fumiko Sakamoto Mechanical pencil
US3804536A (en) * 1971-03-24 1974-04-16 Ancos Co Ltd Slide type mechanical pencil

Also Published As

Publication number Publication date
GB1456115A (en) 1976-11-17
DE2420448B2 (de) 1980-11-27
FR2268650B1 (fr) 1976-12-17
US3899256A (en) 1975-08-12
DE2420448A1 (de) 1975-11-06
DE2420448C3 (de) 1981-08-06
AU6770674A (en) 1975-10-16
AU485791B2 (en) 1975-10-16

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Legal Events

Date Code Title Description
ST Notification of lapse