JPS6237756Y2 - - Google Patents
Info
- Publication number
- JPS6237756Y2 JPS6237756Y2 JP1981065728U JP6572881U JPS6237756Y2 JP S6237756 Y2 JPS6237756 Y2 JP S6237756Y2 JP 1981065728 U JP1981065728 U JP 1981065728U JP 6572881 U JP6572881 U JP 6572881U JP S6237756 Y2 JPS6237756 Y2 JP S6237756Y2
- Authority
- JP
- Japan
- Prior art keywords
- lead
- guide pipe
- core
- core guide
- detection member
- 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
Links
- 238000001514 detection method Methods 0.000 claims description 16
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 239000010979 ruby Substances 0.000 description 1
- 229910001750 ruby Inorganic materials 0.000 description 1
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
- B43K21/027—Writing-core feeding mechanisms with sliding tubelike writing-core guide
Landscapes
- Mechanical Pencils And Projecting And Retracting Systems Therefor, And Multi-System Writing Instruments (AREA)
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1981065728U JPS6237756Y2 (en]) | 1981-04-28 | 1981-04-28 | |
US06/372,241 US4452544A (en) | 1981-04-28 | 1982-04-26 | Mechanical pencil with automatic lead feed |
DE19823215725 DE3215725A1 (de) | 1981-04-28 | 1982-04-28 | Selbsttaetiger schreibstift mit automatischem minenvorschub |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1981065728U JPS6237756Y2 (en]) | 1981-04-28 | 1981-04-28 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS57174089U JPS57174089U (en]) | 1982-11-02 |
JPS6237756Y2 true JPS6237756Y2 (en]) | 1987-09-26 |
Family
ID=13295362
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP1981065728U Expired JPS6237756Y2 (en]) | 1981-04-28 | 1981-04-28 |
Country Status (3)
Country | Link |
---|---|
US (1) | US4452544A (en]) |
JP (1) | JPS6237756Y2 (en]) |
DE (1) | DE3215725A1 (en]) |
Families Citing this family (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3229498C2 (de) * | 1982-08-07 | 1985-08-14 | Fa. J.S. Staedtler, 8500 Nürnberg | Schreibeinsatz mit Minen für automatische Schreib- oder Zeichenmaschinen |
JPS61164790U (en]) * | 1985-04-02 | 1986-10-13 | ||
JPS6218296A (ja) * | 1985-07-18 | 1987-01-27 | ミクロ株式会社 | シヤ−プペンシル |
EP0215584B1 (en) * | 1985-08-20 | 1990-01-10 | KOTOBUKI & CO., LTD. | Lead feed mechanism for mechanical pencil |
US4705419A (en) * | 1985-11-19 | 1987-11-10 | Nicolet Instrument Corporation | Mechanical pencil with automatic lead advance |
US5052838A (en) * | 1990-05-22 | 1991-10-01 | The Gillette Company | Mechanical pencil |
US5394174A (en) * | 1992-02-14 | 1995-02-28 | Calcomp Inc. | Actuator mechanism for a pencil carriage |
CN2152671Y (zh) * | 1992-12-15 | 1994-01-12 | 郝钰 | 连续出铅的全自动铅笔机芯 |
US6116799A (en) * | 1998-11-19 | 2000-09-12 | Kotobuki & Co., Ltd. | Installation structure of lead advancing mechanism in writing instrument |
US6736061B2 (en) * | 2002-05-24 | 2004-05-18 | Heidelberger Druckmaschinen Ag | Rotary signature transfer device |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US267309A (en) * | 1882-11-07 | Dorfer | ||
BE488936A (en]) * | 1945-11-13 | |||
US2865330A (en) * | 1954-11-26 | 1958-12-23 | Everett R Swank | Writing instrument |
US3076437A (en) * | 1958-07-28 | 1963-02-05 | Clifford N Johnson | Writing instrument |
DE2153400A1 (de) * | 1971-10-27 | 1973-05-03 | Kemal Dipl Ing Butka | Fuellstifte fuer duenne bleiminen |
US3864046A (en) * | 1973-02-16 | 1975-02-04 | Kemal Butka | Mechanical pencil, especially for thin leads |
DE2611608B2 (de) * | 1976-03-19 | 1979-05-23 | Fa. A.W. Faber-Castell, 8504 Stein | Fallminenstift mit durch Aufdrücken der Stiftspitze bewirktem Minenvorschub |
DE2729320C2 (de) * | 1977-06-29 | 1982-07-22 | Fa. A.W. Faber-Castell, 8504 Stein | Füllminenstift mit durch den Schreibdruck bewirktem, automatischem Vorschub der Mine |
DE2815695C2 (de) * | 1978-04-12 | 1983-08-11 | Fa. A.W. Faber-Castell, 8504 Stein | Füllminenstift mit Minen-Vorschubmechanik und Bremselement |
-
1981
- 1981-04-28 JP JP1981065728U patent/JPS6237756Y2/ja not_active Expired
-
1982
- 1982-04-26 US US06/372,241 patent/US4452544A/en not_active Expired - Fee Related
- 1982-04-28 DE DE19823215725 patent/DE3215725A1/de not_active Withdrawn
Also Published As
Publication number | Publication date |
---|---|
JPS57174089U (en]) | 1982-11-02 |
DE3215725A1 (de) | 1982-11-11 |
US4452544A (en) | 1984-06-05 |
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