CH449978A - Ellipsographe - Google Patents
EllipsographeInfo
- Publication number
- CH449978A CH449978A CH1580266A CH1580266A CH449978A CH 449978 A CH449978 A CH 449978A CH 1580266 A CH1580266 A CH 1580266A CH 1580266 A CH1580266 A CH 1580266A CH 449978 A CH449978 A CH 449978A
- Authority
- CH
- Switzerland
- Prior art keywords
- ellipsograph
- Prior art date
Links
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
- B43L11/00—Non-circular-curve-drawing instruments
- B43L11/02—Non-circular-curve-drawing instruments for drawing conic sections
- B43L11/04—Non-circular-curve-drawing instruments for drawing conic sections for drawing ellipses
- B43L11/055—Non-circular-curve-drawing instruments for drawing conic sections for drawing ellipses with guides
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Portable Nailing Machines And Staplers (AREA)
- Transmission Devices (AREA)
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR994004A FR3937M (fr) | 1963-08-07 | 1964-11-05 | |
FR37380A FR89035E (fr) | 1964-11-14 | 1965-11-05 | Appareil traceur de courbes, en particulier d'ellipses et de cercles |
BE789491 | 1972-09-29 |
Publications (1)
Publication Number | Publication Date |
---|---|
CH449978A true CH449978A (fr) | 1968-01-15 |
Family
ID=27159416
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CH1580266A CH449978A (fr) | 1964-11-14 | 1966-11-01 | Ellipsographe |
Country Status (4)
Country | Link |
---|---|
US (1) | US3323214A (fr) |
BE (1) | BE789491Q (fr) |
CH (1) | CH449978A (fr) |
GB (1) | GB1114989A (fr) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2022040956A1 (fr) * | 2020-08-24 | 2022-03-03 | 太仓繁晟电子科技有限公司 | Appareil de traçage de ligne d'assistance pour tissu |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4445275A (en) * | 1982-06-07 | 1984-05-01 | David Dubrow | Drawing assembly |
US7362119B2 (en) * | 2005-08-01 | 2008-04-22 | Touchdown Technologies, Inc | Torsion spring probe contactor design |
-
0
- BE BE789491D patent/BE789491Q/fr active
-
1966
- 1966-10-31 US US590990A patent/US3323214A/en not_active Expired - Lifetime
- 1966-11-01 CH CH1580266A patent/CH449978A/fr unknown
- 1966-11-04 GB GB49635/66A patent/GB1114989A/en not_active Expired
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2022040956A1 (fr) * | 2020-08-24 | 2022-03-03 | 太仓繁晟电子科技有限公司 | Appareil de traçage de ligne d'assistance pour tissu |
Also Published As
Publication number | Publication date |
---|---|
US3323214A (en) | 1967-06-06 |
GB1114989A (en) | 1968-05-22 |
BE789491Q (fr) | 1973-01-15 |
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