JPS54138730A - Rotary mechanical pencil - Google Patents

Rotary mechanical pencil

Info

Publication number
JPS54138730A
JPS54138730A JP4533078A JP4533078A JPS54138730A JP S54138730 A JPS54138730 A JP S54138730A JP 4533078 A JP4533078 A JP 4533078A JP 4533078 A JP4533078 A JP 4533078A JP S54138730 A JPS54138730 A JP S54138730A
Authority
JP
Japan
Prior art keywords
mechanical pencil
rotary mechanical
rotary
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.)
Granted
Application number
JP4533078A
Other languages
English (en)
Japanese (ja)
Other versions
JPS6158317B2 (en]
Inventor
Yasuyuki Hashimoto
Osamu Torii
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.)
Ancos Co Ltd
Original Assignee
Ancos 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
Application filed by Ancos Co Ltd filed Critical Ancos Co Ltd
Priority to JP4533078A priority Critical patent/JPS54138730A/ja
Priority to DE19792912408 priority patent/DE2912408A1/de
Priority to US06/030,803 priority patent/US4269524A/en
Publication of JPS54138730A publication Critical patent/JPS54138730A/ja
Publication of JPS6158317B2 publication Critical patent/JPS6158317B2/ja
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
    • B43K21/20—Writing-core feeding mechanisms with stepwise feed of writing-cores with writing-cores automatically replaced from magazines
    • 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
    • B43K24/02—Mechanisms for selecting, projecting, retracting or locking writing units for locking a single writing unit in only fully projected or retracted positions
    • B43K24/06—Mechanisms for selecting, projecting, retracting or locking writing units for locking a single writing unit in only fully projected or retracted positions operated by turning means

Landscapes

  • Mechanical Pencils And Projecting And Retracting Systems Therefor, And Multi-System Writing Instruments (AREA)
JP4533078A 1978-04-01 1978-04-19 Rotary mechanical pencil Granted JPS54138730A (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
JP4533078A JPS54138730A (en) 1978-04-19 1978-04-19 Rotary mechanical pencil
DE19792912408 DE2912408A1 (de) 1978-04-01 1979-03-29 Schreibgeraet, insbesondere mechanischer drehbleistift
US06/030,803 US4269524A (en) 1978-04-19 1979-04-17 Mechanical pencil

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP4533078A JPS54138730A (en) 1978-04-19 1978-04-19 Rotary mechanical pencil

Publications (2)

Publication Number Publication Date
JPS54138730A true JPS54138730A (en) 1979-10-27
JPS6158317B2 JPS6158317B2 (en]) 1986-12-11

Family

ID=12716295

Family Applications (1)

Application Number Title Priority Date Filing Date
JP4533078A Granted JPS54138730A (en) 1978-04-01 1978-04-19 Rotary mechanical pencil

Country Status (2)

Country Link
US (1) US4269524A (en])
JP (1) JPS54138730A (en])

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS56102090U (en]) * 1979-12-29 1981-08-11

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4382706A (en) * 1980-05-07 1983-05-10 Ancos Co., Ltd. Mechanical pencil
JPS5727380U (en]) * 1980-07-22 1982-02-13
JPS61262194A (ja) * 1985-05-16 1986-11-20 岩崎金属工業株式会社 シヤ−プペンシル
JPH0439029Y2 (en]) * 1985-05-23 1992-09-11
DE3527694A1 (de) * 1985-08-02 1987-02-12 Rotring Werke Riepe Kg Roehrchenschreiberspitze
US4705419A (en) * 1985-11-19 1987-11-10 Nicolet Instrument Corporation Mechanical pencil with automatic lead advance
JPH0241295A (ja) * 1988-07-30 1990-02-09 Ankosu Kk つまみ式シャープペンシル
US4987911A (en) * 1989-07-13 1991-01-29 Powers Ronald J Cosmetic pencil
US5165812A (en) * 1990-10-29 1992-11-24 A. W. Faber-Castell Gmbh & Co. Lead writing instrument with selective locking of chuck
DE69308191T2 (de) * 1992-12-03 1997-09-18 Kotobuki & Co Ltd Schreibgerät
JP2014058097A (ja) * 2012-09-18 2014-04-03 Micro Kk シャープペンシル
TW201726440A (zh) * 2015-12-17 2017-08-01 Kotobuki & Co Ltd 複合式筆具
CN110385930B (zh) * 2019-07-31 2020-08-28 杭州简弈科技有限公司 一种自锁旋转提拉笔
CN110481205B (zh) * 2019-09-11 2020-09-04 杭州简弈科技有限公司 一种自锁旋转防摔笔
CN112389114B (zh) * 2020-11-13 2021-12-21 杭州冰汽科技有限公司 一种笔夹提拉摁压三操笔
JP2022175826A (ja) * 2021-05-14 2022-11-25 ミクロ株式会社 芯折れ防止機構付きシャープペンシル

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3408147A (en) * 1967-07-11 1968-10-29 Keith T. Bleuer Pencil
US3804536A (en) * 1971-03-24 1974-04-16 Ancos Co Ltd Slide type mechanical pencil
US3914059A (en) * 1974-02-28 1975-10-21 Yoshihide Mitsuya Mechanical pencil
DE2606939C3 (de) * 1976-02-20 1980-10-02 Gebr. Schmidt, Fabrik Fuer Feinmechanik, 7742 St Georgen Schreibgerät für dünne Bleiminen

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS56102090U (en]) * 1979-12-29 1981-08-11

Also Published As

Publication number Publication date
JPS6158317B2 (en]) 1986-12-11
US4269524A (en) 1981-05-26

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