GB1336754A - Push-type mechanical pencil with lead advancing means - Google Patents

Push-type mechanical pencil with lead advancing means

Info

Publication number
GB1336754A
GB1336754A GB1332271*[A GB1332271A GB1336754A GB 1336754 A GB1336754 A GB 1336754A GB 1332271 A GB1332271 A GB 1332271A GB 1336754 A GB1336754 A GB 1336754A
Authority
GB
United Kingdom
Prior art keywords
latching member
pencil
portions
push
smaller diameter
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
GB1332271*[A
Other languages
English (en)
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.)
Dai Nihon Bungu Co Ltd
Japan Stationery Co Ltd
Original Assignee
Dai Nihon Bungu Co Ltd
Japan Stationery 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 JP4403470U external-priority patent/JPS4934197Y1/ja
Priority claimed from JP4334570A external-priority patent/JPS5516839B1/ja
Application filed by Dai Nihon Bungu Co Ltd, Japan Stationery Co Ltd filed Critical Dai Nihon Bungu Co Ltd
Publication of GB1336754A publication Critical patent/GB1336754A/en
Expired 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

Landscapes

  • Mechanical Pencils And Projecting And Retracting Systems Therefor, And Multi-System Writing Instruments (AREA)
GB1332271*[A 1970-05-06 1971-05-05 Push-type mechanical pencil with lead advancing means Expired GB1336754A (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP4403470U JPS4934197Y1 (enrdf_load_stackoverflow) 1970-05-06 1970-05-06
JP4403370 1970-05-06
JP4334570A JPS5516839B1 (enrdf_load_stackoverflow) 1970-05-22 1970-05-22

Publications (1)

Publication Number Publication Date
GB1336754A true GB1336754A (en) 1973-11-07

Family

ID=27291508

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1332271*[A Expired GB1336754A (en) 1970-05-06 1971-05-05 Push-type mechanical pencil with lead advancing means

Country Status (4)

Country Link
US (1) US3728033A (enrdf_load_stackoverflow)
DE (1) DE2122047C3 (enrdf_load_stackoverflow)
FR (1) FR2091167A5 (enrdf_load_stackoverflow)
GB (1) GB1336754A (enrdf_load_stackoverflow)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2160306B2 (de) * 1971-12-04 1974-12-19 Fa. A.W. Faber-Castell, 8504 Stein Minenstift mit einer Minenvorschubmechanik
JPS54131426A (en) * 1978-04-01 1979-10-12 Ancos Co Ltd Rotary sliding mechanical pencil
US4382706A (en) * 1980-05-07 1983-05-10 Ancos Co., Ltd. Mechanical pencil

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2222295A (en) * 1939-01-19 1940-11-19 Spencerian Pen Company Mechanical pencil
CH274269A (de) * 1949-04-08 1951-03-31 Ag Brac Druckfüllbleistift.
GB734925A (en) * 1951-08-20 1955-08-10 Rodi & Wienerberger Ag Improvements in or relating to mechanical pencils
US3537799A (en) * 1967-12-20 1970-11-03 Fumiko Sakamoto Mechanical pencil

Also Published As

Publication number Publication date
US3728033A (en) 1973-04-17
DE2122047B2 (de) 1973-12-20
DE2122047C3 (de) 1974-07-18
DE2122047A1 (de) 1971-11-18
FR2091167A5 (enrdf_load_stackoverflow) 1972-01-14

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PCNP Patent ceased through non-payment of renewal fee