GB972461A - Improvements in drawing compasses - Google Patents
Improvements in drawing compassesInfo
- Publication number
- GB972461A GB972461A GB1291963A GB1291963A GB972461A GB 972461 A GB972461 A GB 972461A GB 1291963 A GB1291963 A GB 1291963A GB 1291963 A GB1291963 A GB 1291963A GB 972461 A GB972461 A GB 972461A
- Authority
- GB
- United Kingdom
- Prior art keywords
- holder
- leg
- pencil
- wall
- nut
- 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
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
- B43L9/00—Circular curve-drawing or like instruments
- B43L9/16—Features common to compasses, dividers, and callipers
- B43L9/24—Means for mounting points or writing appliances on legs
Abstract
972,461. Drawing compasses. W. J. HARRIS (BIRMINGHAM) Ltd. Oct. 9, 1963 [April 2, 1963], No. 12919/63. Heading B6P. In the drawing-compass, Fig. 1, the holder 17 for the pencil is provided with a clamping nut 25, Fig. 3, situated between the leg 10 and the pencil 18. The holder, circular in crosssection, is threaded from a point adjacent the leg 90 to a point mid-way between inner wall 24 and the outer wall 28 of the pencil receiving hole 23. The nut 25 is prevented from being removed from the holder 17 since the diameter of the outer plain portion 17 is equal to the major diameter of the screw-threads. The socket 20 in the inner portion 21 of the holder which receives a spigot 22 formed on the leg 10 is of square or other angular cross-section to prevent relative rotation of the leg and the holder.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB1291963A GB972461A (en) | 1963-04-02 | 1963-04-02 | Improvements in drawing compasses |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB1291963A GB972461A (en) | 1963-04-02 | 1963-04-02 | Improvements in drawing compasses |
Publications (1)
Publication Number | Publication Date |
---|---|
GB972461A true GB972461A (en) | 1964-10-14 |
Family
ID=10013541
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB1291963A Expired GB972461A (en) | 1963-04-02 | 1963-04-02 | Improvements in drawing compasses |
Country Status (1)
Country | Link |
---|---|
GB (1) | GB972461A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR3018221A1 (en) * | 2014-03-06 | 2015-09-11 | Aime Ledin Ets | COMPASSES COMPRISING TWO BRANCHES ARTICULATED IN RELATION TO ONE OF THEIR END |
-
1963
- 1963-04-02 GB GB1291963A patent/GB972461A/en not_active Expired
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR3018221A1 (en) * | 2014-03-06 | 2015-09-11 | Aime Ledin Ets | COMPASSES COMPRISING TWO BRANCHES ARTICULATED IN RELATION TO ONE OF THEIR END |
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