GB833936A - Improvements in or relating to fittings for graduated rulers - Google Patents
Improvements in or relating to fittings for graduated rulersInfo
- Publication number
- GB833936A GB833936A GB89158A GB89158A GB833936A GB 833936 A GB833936 A GB 833936A GB 89158 A GB89158 A GB 89158A GB 89158 A GB89158 A GB 89158A GB 833936 A GB833936 A GB 833936A
- Authority
- GB
- United Kingdom
- Prior art keywords
- rule
- graduated
- fittings
- relating
- fitting
- 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
- B43L9/02—Compasses
- B43L9/04—Beam compasses
Landscapes
- Length-Measuring Instruments Using Mechanical Means (AREA)
- Drawing Aids And Blackboards (AREA)
Abstract
833,936. Mathematical drawing-appliances. STAUB, H. K. Jan. 9, 1958, No. 891/58. Class 97(3) [Also in Group XXIII] A fitting for a grooved graduated ruler comprises a loose member with a projection for engaging the outer groove and adapted to be tightened so as to lock the fitting on the ruler. As shown in Fig. 2 a graduated rule 11 has slidable thereon a trammal head 15 in which is loosely mounted a member 21 having a projection 20a engaging a groove in the rule 11. Member 21 may be pulled tight by a clamping nut 16a so as to lock the trammel head in any desired position on the rule. There may be two trammel heads slidable on the rule 11 so as to form a beam compass.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB89158A GB833936A (en) | 1958-01-09 | 1958-01-09 | Improvements in or relating to fittings for graduated rulers |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB89158A GB833936A (en) | 1958-01-09 | 1958-01-09 | Improvements in or relating to fittings for graduated rulers |
Publications (1)
Publication Number | Publication Date |
---|---|
GB833936A true GB833936A (en) | 1960-05-04 |
Family
ID=9712305
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB89158A Expired GB833936A (en) | 1958-01-09 | 1958-01-09 | Improvements in or relating to fittings for graduated rulers |
Country Status (1)
Country | Link |
---|---|
GB (1) | GB833936A (en) |
-
1958
- 1958-01-09 GB GB89158A patent/GB833936A/en not_active Expired
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