DE2310573C3 - Druckbleistift - Google Patents

Druckbleistift

Info

Publication number
DE2310573C3
DE2310573C3 DE2310573A DE2310573A DE2310573C3 DE 2310573 C3 DE2310573 C3 DE 2310573C3 DE 2310573 A DE2310573 A DE 2310573A DE 2310573 A DE2310573 A DE 2310573A DE 2310573 C3 DE2310573 C3 DE 2310573C3
Authority
DE
Germany
Prior art keywords
pressure element
outer cylinder
tube
inclined surfaces
mine
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
DE2310573A
Other languages
German (de)
English (en)
Other versions
DE2310573B2 (de
DE2310573A1 (de
Inventor
Hideaki Oikawa
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.)
Pentel Co Ltd
Original Assignee
Pentel 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 JP2630172U external-priority patent/JPS53257Y2/ja
Priority claimed from JP8135972U external-priority patent/JPS5117938Y2/ja
Priority claimed from JP8136072U external-priority patent/JPS5117939Y2/ja
Priority claimed from JP12953672U external-priority patent/JPS5117942Y2/ja
Application filed by Pentel Co Ltd filed Critical Pentel Co Ltd
Publication of DE2310573A1 publication Critical patent/DE2310573A1/de
Publication of DE2310573B2 publication Critical patent/DE2310573B2/de
Application granted granted Critical
Publication of DE2310573C3 publication Critical patent/DE2310573C3/de
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
    • B43K24/02—Mechanisms for selecting, projecting, retracting or locking writing units for locking a single writing unit in only fully projected or retracted positions
    • B43K24/08—Mechanisms for selecting, projecting, retracting or locking writing units for locking a single writing unit in only fully projected or retracted positions operated by push-buttons
    • B43K24/082—Mechanisms for selecting, projecting, retracting or locking writing units for locking a single writing unit in only fully projected or retracted positions operated by push-buttons placed on the side
    • 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
DE2310573A 1972-03-03 1973-03-02 Druckbleistift Expired DE2310573C3 (de)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
JP2630172U JPS53257Y2 (ja) 1972-03-03 1972-03-03
JP8135972U JPS5117938Y2 (ja) 1972-07-10 1972-07-10
JP8136072U JPS5117939Y2 (ja) 1972-07-10 1972-07-10
JP12953672U JPS5117942Y2 (ja) 1972-11-10 1972-11-10

Publications (3)

Publication Number Publication Date
DE2310573A1 DE2310573A1 (de) 1973-09-27
DE2310573B2 DE2310573B2 (de) 1980-07-31
DE2310573C3 true DE2310573C3 (de) 1981-05-07

Family

ID=27458470

Family Applications (1)

Application Number Title Priority Date Filing Date
DE2310573A Expired DE2310573C3 (de) 1972-03-03 1973-03-02 Druckbleistift

Country Status (2)

Country Link
US (2) US3883253A (ja)
DE (1) DE2310573C3 (ja)

Families Citing this family (26)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS51116731A (en) * 1975-04-07 1976-10-14 Tadaaki Maruyama Method of and device for feeding out lead of sharp pencil
US4270870A (en) * 1977-05-22 1981-06-02 Ancos Co., Ltd. Mechanical pencil with chuck closing by normal writing grip
JPS603000B2 (ja) * 1977-12-27 1985-01-25 ぺんてる株式会社 先端ノツク式シヤ−プペンシル
US4358210A (en) * 1978-11-20 1982-11-09 Ancos Co., Ltd. Mechanical pencil with chuck closing by normal writing grip
DE2921875A1 (de) * 1979-05-30 1980-12-11 Ancos Co Ltd Mechanischer schreibstift
US4381158A (en) * 1980-12-29 1983-04-26 Dino L. Garganese Writing instrument
US4475834A (en) * 1982-04-02 1984-10-09 Bean Donald F Writing instrument projectable by fluid pressure
US5236271A (en) * 1985-08-10 1993-08-17 Micro Co., Ltd. Automatic mechanical pencil
DE3641392C1 (de) * 1986-12-04 1988-05-26 Schwan Stabilo Schwanhaeusser Auftragsgeraet
JPH01110199A (ja) * 1987-10-23 1989-04-26 Kotobuki:Kk シヤープペンシル
JPH0241295A (ja) * 1988-07-30 1990-02-09 Ankosu Kk つまみ式シャープペンシル
JP3501418B2 (ja) * 1994-07-22 2004-03-02 株式会社壽 サイドノック式シャープペンシル
WO1996023666A1 (fr) * 1995-01-30 1996-08-08 Pentel Kabushiki Kaisha Porte-mine a poussoir lateral
TW301975U (en) * 1995-11-20 1997-04-01 Kotobuki & Co Ltd Dispenser for selectively extending and retracting a substantially stick-shaped object and writing instrument with the dispenser
JPH10129182A (ja) * 1996-10-31 1998-05-19 Kotobuki Kk サイドノックシャープペンシル
JPH11115373A (ja) * 1997-10-17 1999-04-27 Kotobuki:Kk サイドノック式シャープペンシル
JP3388432B2 (ja) * 1999-08-04 2003-03-24 ミクロ株式会社 シャ−プペンシル
JP3364799B2 (ja) 2000-02-25 2003-01-08 ミクロ株式会社 サイドノック式筆記具
US6755584B2 (en) 2002-01-24 2004-06-29 Bic Corporation Writing instrument
FR2861330B1 (fr) * 2003-10-22 2006-02-03 Bic Soc Instrument d'ecriture a bouton lateral
US6979142B1 (en) * 2004-12-06 2005-12-27 Erik Vaclav Chmelar Retractable tip mechanical pencil assembly
US7226229B1 (en) 2006-08-21 2007-06-05 Register Dana S Self-retractable pen
CN101797858A (zh) * 2010-03-17 2010-08-11 王元鸿 侧按活动铅笔
FR2996805B1 (fr) * 2012-10-15 2015-04-03 Bic Soc Porte mine comprenant un guide-mine retractable
US10525762B2 (en) * 2016-12-06 2020-01-07 Sanford L.P. Writing instrument side-knock mechanism
CN110936754B (zh) * 2019-12-22 2020-09-22 杭州简弈科技有限公司 一种凸位按压拔笔

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1490124A (en) * 1921-12-22 1924-04-15 Netter Adelaide Follet Automatic pencil
US1866072A (en) * 1922-07-21 1932-07-05 Pencil Mechanism Corp Magazine lead pencil
DE390776C (de) * 1922-07-22 1924-02-23 Edward D Feldman Fuellbleistift
US1803695A (en) * 1930-03-31 1931-05-05 Theodore P Garankin Pencil
US2340665A (en) * 1942-10-15 1944-02-01 Doyle P Jacobs Mechanical pencil
US2385442A (en) * 1944-10-11 1945-09-25 Hoffman Harry Pencil
US2523568A (en) * 1948-05-26 1950-09-26 Ford W Halverson Pencil with mechanical means for advancing the lead thereof
DE1687575U (de) * 1954-06-21 1954-11-18 Schwan Bleistift Fabrik Klemmstift.
US3112734A (en) * 1961-07-28 1963-12-03 Sheaffer W A Pen Co Writing implement
US3181507A (en) * 1962-09-20 1965-05-04 Rex P Dannebaum Pen tip automatic retraction
US3558233A (en) * 1969-04-21 1971-01-26 Nathan A Zepell Rotary actuating mechanism for writing instrument

Also Published As

Publication number Publication date
US3892495A (en) 1975-07-01
DE2310573B2 (de) 1980-07-31
US3883253A (en) 1975-05-13
DE2310573A1 (de) 1973-09-27

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Legal Events

Date Code Title Description
C3 Grant after two publication steps (3rd publication)