DE3229497C2 - Feinminenstift mit selbsttätigem Minenvorschub - Google Patents
Feinminenstift mit selbsttätigem MinenvorschubInfo
- Publication number
- DE3229497C2 DE3229497C2 DE19823229497 DE3229497A DE3229497C2 DE 3229497 C2 DE3229497 C2 DE 3229497C2 DE 19823229497 DE19823229497 DE 19823229497 DE 3229497 A DE3229497 A DE 3229497A DE 3229497 C2 DE3229497 C2 DE 3229497C2
- Authority
- DE
- Germany
- Prior art keywords
- clamping
- lead
- contact
- compression spring
- pliers
- 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
- 230000006835 compression Effects 0.000 claims abstract description 45
- 238000007906 compression Methods 0.000 claims abstract description 45
- 210000000078 claw Anatomy 0.000 claims abstract description 30
- 238000013459 approach Methods 0.000 claims description 9
- 238000005096 rolling process Methods 0.000 claims description 5
- 230000007480 spreading Effects 0.000 claims description 2
- 238000003892 spreading Methods 0.000 claims description 2
- 230000005540 biological transmission Effects 0.000 abstract description 2
- 101000579646 Penaeus vannamei Penaeidin-1 Proteins 0.000 description 6
- 238000004519 manufacturing process Methods 0.000 description 5
- 238000003860 storage Methods 0.000 description 5
- 230000009471 action Effects 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 239000000945 filler Substances 0.000 description 3
- 230000007246 mechanism Effects 0.000 description 2
- 230000000284 resting effect Effects 0.000 description 2
- 229910001369 Brass Inorganic materials 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
- 230000004323 axial length Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 239000010951 brass Substances 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000005553 drilling Methods 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000010985 leather Substances 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 230000007257 malfunction Effects 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 230000008092 positive effect Effects 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B43—WRITING OR DRAWING IMPLEMENTS; BUREAU ACCESSORIES
- B43L—ARTICLES FOR WRITING OR DRAWING UPON; WRITING OR DRAWING AIDS; ACCESSORIES FOR WRITING OR DRAWING
- B43L13/00—Drawing instruments, or writing or drawing appliances or accessories not otherwise provided for
- B43L13/02—Draughting machines or drawing devices for keeping parallelism
- B43L13/022—Draughting machines or drawing devices for keeping parallelism automatic
- B43L13/024—Drawing heads therefor
-
- 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
- Engineering & Computer Science (AREA)
- Automation & Control Theory (AREA)
- Mechanical Pencils And Projecting And Retracting Systems Therefor, And Multi-System Writing Instruments (AREA)
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19823229497 DE3229497C2 (de) | 1982-08-07 | 1982-08-07 | Feinminenstift mit selbsttätigem Minenvorschub |
US06/520,634 US4538934A (en) | 1982-08-07 | 1983-08-05 | Automatic lead advancing mechanism for a mechanical pencil |
JP14393383A JPS5993397A (ja) | 1982-08-07 | 1983-08-08 | 自動芯送り式筆記具 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19823229497 DE3229497C2 (de) | 1982-08-07 | 1982-08-07 | Feinminenstift mit selbsttätigem Minenvorschub |
Publications (2)
Publication Number | Publication Date |
---|---|
DE3229497A1 DE3229497A1 (de) | 1984-02-09 |
DE3229497C2 true DE3229497C2 (de) | 1985-08-08 |
Family
ID=6170349
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE19823229497 Expired DE3229497C2 (de) | 1982-08-07 | 1982-08-07 | Feinminenstift mit selbsttätigem Minenvorschub |
Country Status (2)
Country | Link |
---|---|
JP (1) | JPS5993397A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) |
DE (1) | DE3229497C2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3546418C1 (de) * | 1985-12-31 | 1987-02-26 | Staedtler Fa J S | Füllminenstift mit axial beweglichem Minenführungsrohr. |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0276362B1 (en) * | 1987-01-29 | 1990-12-05 | Pilot Precision Kabushiki Kaisha | Mechanical pencil with an automatically propelled lead |
JPH03776U (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) * | 1989-05-27 | 1991-01-08 |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3424535A (en) * | 1966-10-18 | 1969-01-28 | Konstantin F Schischkow | Self-feeding pencil |
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 |
DE3032200C2 (de) * | 1980-08-27 | 1982-11-25 | Fa. J.S. Staedtler, 8500 Nürnberg | Füllbleistift mit beim Schreiben selbsttätig erfolgendem Minenvorschub |
-
1982
- 1982-08-07 DE DE19823229497 patent/DE3229497C2/de not_active Expired
-
1983
- 1983-08-08 JP JP14393383A patent/JPS5993397A/ja active Granted
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3546418C1 (de) * | 1985-12-31 | 1987-02-26 | Staedtler Fa J S | Füllminenstift mit axial beweglichem Minenführungsrohr. |
Also Published As
Publication number | Publication date |
---|---|
JPH0261399B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1990-12-19 |
DE3229497A1 (de) | 1984-02-09 |
JPS5993397A (ja) | 1984-05-29 |
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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 | ||
8327 | Change in the person/name/address of the patent owner |
Owner name: J. S. STAEDTLER GMBH & CO, 8500 NUERNBERG, DE |
|
8339 | Ceased/non-payment of the annual fee |