DE3735512C2 - - Google Patents

Info

Publication number
DE3735512C2
DE3735512C2 DE19873735512 DE3735512A DE3735512C2 DE 3735512 C2 DE3735512 C2 DE 3735512C2 DE 19873735512 DE19873735512 DE 19873735512 DE 3735512 A DE3735512 A DE 3735512A DE 3735512 C2 DE3735512 C2 DE 3735512C2
Authority
DE
Germany
Prior art keywords
pen
lead
receiving sleeve
collet
spring
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 - Fee Related
Application number
DE19873735512
Other languages
German (de)
English (en)
Other versions
DE3735512A1 (de
Inventor
Yoichi Yokohama Kanagawa Jp Ando
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.)
Mitsubishi Pencil Co Ltd
Original Assignee
Mitsubishi Pencil 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 to GB8723382A priority Critical patent/GB2210587B/en
Priority to GB8809782A priority patent/GB2210588B/en
Priority to FR8713921A priority patent/FR2621530B1/fr
Application filed by Mitsubishi Pencil Co Ltd filed Critical Mitsubishi Pencil Co Ltd
Priority to DE19873735512 priority patent/DE3735512A1/de
Publication of DE3735512A1 publication Critical patent/DE3735512A1/de
Application granted granted Critical
Publication of DE3735512C2 publication Critical patent/DE3735512C2/de
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
    • B43K21/003—Propelling pencils with lead sections or lead cartridges
    • 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

Landscapes

  • Mechanical Pencils And Projecting And Retracting Systems Therefor, And Multi-System Writing Instruments (AREA)
DE19873735512 1987-10-06 1987-10-20 Druckminenstift Granted DE3735512A1 (de)

Priority Applications (4)

Application Number Priority Date Filing Date Title
GB8723382A GB2210587B (en) 1987-10-20 1987-10-06 A mechanical pencil.
GB8809782A GB2210588B (en) 1987-10-06 1987-10-06 Knock-out type mechanical pencil
FR8713921A FR2621530B1 (fr) 1987-10-20 1987-10-08 Crayon mecanique du type a avance automatique de la mine
DE19873735512 DE3735512A1 (de) 1987-10-20 1987-10-20 Druckminenstift

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19873735512 DE3735512A1 (de) 1987-10-20 1987-10-20 Druckminenstift

Publications (2)

Publication Number Publication Date
DE3735512A1 DE3735512A1 (de) 1989-05-03
DE3735512C2 true DE3735512C2 (enExample) 1990-04-19

Family

ID=6338727

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19873735512 Granted DE3735512A1 (de) 1987-10-06 1987-10-20 Druckminenstift

Country Status (3)

Country Link
DE (1) DE3735512A1 (enExample)
FR (1) FR2621530B1 (enExample)
GB (1) GB2210587B (enExample)

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE499561C (de) * 1928-04-12 1930-06-07 Ernst Katz Fuellbleistift
FR711600A (fr) * 1931-02-19 1931-09-12 G A Pennellier Ets Porte-mine automatique
JPS5216827Y2 (enExample) * 1974-04-25 1977-04-15
DE2609671C2 (de) * 1976-03-09 1983-11-24 Helmut Dipl.-Ing. 8501 Altenberg Bross Mechanischer Druckbleistift mit beweglichem Minenschutzrohr
DE2724317A1 (de) * 1977-05-28 1978-12-07 Faber Castell A W Fuellminenstift mit minenvorratsbehaelter
DE3042283A1 (de) * 1980-11-08 1982-06-09 Fa. A.W. Faber-Castell, 8504 Stein Fuellminenstift mit auswechselbarem minenvorratsbehaelter
JPS595589Y2 (ja) * 1981-07-17 1984-02-20 株式会社 寿 ノツク式シヤ−プペンシル
JPS58171392U (ja) * 1982-05-10 1983-11-16 株式会社寿 シヤ−プペンシル
CA1219555A (en) * 1984-02-09 1987-03-24 Berol Corporation Mechanical pencil
US4610557A (en) * 1985-02-09 1986-09-09 The Gillette Company Mechanical pencil with groove and lug structure

Also Published As

Publication number Publication date
DE3735512A1 (de) 1989-05-03
GB2210587B (en) 1992-04-01
GB2210587A (en) 1989-06-14
GB8723382D0 (en) 1987-11-11
FR2621530B1 (fr) 1992-03-13
FR2621530A1 (fr) 1989-04-14

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Legal Events

Date Code Title Description
OP8 Request for examination as to paragraph 44 patent law
D2 Grant after examination
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee