GB597799A - A draughting instrument for use in drawing ellipses, ovals and similar curved shapes - Google Patents
A draughting instrument for use in drawing ellipses, ovals and similar curved shapesInfo
- Publication number
- GB597799A GB597799A GB2200545A GB2200545A GB597799A GB 597799 A GB597799 A GB 597799A GB 2200545 A GB2200545 A GB 2200545A GB 2200545 A GB2200545 A GB 2200545A GB 597799 A GB597799 A GB 597799A
- Authority
- GB
- United Kingdom
- Prior art keywords
- slide
- rods
- ovals
- parallel
- curved shapes
- 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
- 239000011435 rock Substances 0.000 abstract 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
- 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)
- Toys (AREA)
Abstract
597,799. Ellipsographs. BOURNE, F. W. Aug. 27, 1945, No. 22005. [Class 97 (iii)] The apparatus comprises a transparent baseplate 1 having parallel members 2, 3, which provide a guide channel for the slide 4, and an arm formed by parallel rods 5, 6, connected by spacing elements 7, 8, the latter having a curved outer surface. The rods 5, 6, can be secured adjustably but with free rotational movement to one end of the slide 4 by tightening the knurled head on the device 10. A pen or pencil is inserted through a hole in the slide 11 which may be clamped to the rods 5, 6. The position of the base-plate 1 is determined by a datum line (not shown), between the members 2, 3, and another, 13, parallel to the edge 11 of the plate 1. In use the arm 5, 6 is moved so that the element 8 rocks and slides along the edge 11, when half the ellipse may be drawn.
Publications (1)
Publication Number | Publication Date |
---|---|
GB597799A true GB597799A (en) | 1948-02-03 |
Family
ID=1736654
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB2200545A Expired GB597799A (en) | 1945-08-27 | A draughting instrument for use in drawing ellipses, ovals and similar curved shapes |
Country Status (1)
Country | Link |
---|---|
GB (1) | GB597799A (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3331133A (en) * | 1965-06-17 | 1967-07-18 | Grimmer Archibald Albert | Drawing instruments |
CN113243595A (en) * | 2021-05-18 | 2021-08-13 | 山东工艺美术学院 | Multifunctional special ruler for clothing pattern design and use method thereof |
-
1945
- 1945-08-27 GB GB2200545A patent/GB597799A/en not_active Expired
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3331133A (en) * | 1965-06-17 | 1967-07-18 | Grimmer Archibald Albert | Drawing instruments |
CN113243595A (en) * | 2021-05-18 | 2021-08-13 | 山东工艺美术学院 | Multifunctional special ruler for clothing pattern design and use method thereof |
CN113243595B (en) * | 2021-05-18 | 2022-12-16 | 山东工艺美术学院 | Multifunctional special ruler for clothing pattern design and use method thereof |
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