GB0509915D0 - Plotting device - Google Patents
Plotting deviceInfo
- Publication number
- GB0509915D0 GB0509915D0 GBGB0509915.5A GB0509915A GB0509915D0 GB 0509915 D0 GB0509915 D0 GB 0509915D0 GB 0509915 A GB0509915 A GB 0509915A GB 0509915 D0 GB0509915 D0 GB 0509915D0
- Authority
- GB
- United Kingdom
- Prior art keywords
- arms
- cross
- rulers
- parallel rule
- plotting device
- 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.)
- Granted
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
- B43L7/00—Straightedges
- B43L7/10—Plural straightedges relatively movable
-
- 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
- B43L13/028—Hand held or associated with the writing instrument
-
- 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
- B43L7/00—Straightedges
- B43L7/007—Straightedges with holding means
-
- 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
- B43L7/00—Straightedges
- B43L7/10—Plural straightedges relatively movable
- B43L7/12—Square and pivoted straightedges
-
- 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
- B43L7/00—Straightedges
- B43L7/10—Plural straightedges relatively movable
- B43L7/12—Square and pivoted straightedges
- B43L7/125—Comprising at least two straightedges remaining parallel
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
- G01C21/00—Navigation; Navigational instruments not provided for in groups G01C1/00 - G01C19/00
- G01C21/20—Instruments for performing navigational calculations
Landscapes
- Engineering & Computer Science (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Automation & Control Theory (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Drawing Aids And Blackboards (AREA)
Abstract
A parallel rule comprising two rulers 1, 2 linked by at least two equal-length cross-arms 4, the cross-arms 4 being of asymmetrical shape such that the cross-arms 4 interfere to the minimum extent with the holes or knobs 3 which are used to move the rulers 1, 2. The device is of particular utility as a compact parallel rule or plotter suitable for small plotting tables.
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB0509915A GB2426069B (en) | 2005-05-14 | 2005-05-14 | Plotting device |
GB0601243A GB2426070B (en) | 2005-05-14 | 2006-01-23 | Improvements to parallel rules |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB0509915A GB2426069B (en) | 2005-05-14 | 2005-05-14 | Plotting device |
Publications (3)
Publication Number | Publication Date |
---|---|
GB0509915D0 true GB0509915D0 (en) | 2005-06-22 |
GB2426069A GB2426069A (en) | 2006-11-15 |
GB2426069B GB2426069B (en) | 2011-02-09 |
Family
ID=34708207
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB0509915A Expired - Fee Related GB2426069B (en) | 2005-05-14 | 2005-05-14 | Plotting device |
GB0601243A Expired - Fee Related GB2426070B (en) | 2005-05-14 | 2006-01-23 | Improvements to parallel rules |
Family Applications After (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB0601243A Expired - Fee Related GB2426070B (en) | 2005-05-14 | 2006-01-23 | Improvements to parallel rules |
Country Status (1)
Country | Link |
---|---|
GB (2) | GB2426069B (en) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN114001750B (en) * | 2021-12-29 | 2022-04-19 | 中国人民解放军军事科学院国防科技创新研究院 | Translation slide rule and use method thereof |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB139053A (en) * | 1919-04-04 | 1920-02-26 | Eric Frift Wace | Improvements in and relating to parallel rules |
GB474147A (en) * | 1937-04-27 | 1937-10-26 | Albert Edgar Davies | An improved instrument for use in the enlargement and reduction of plans, drawings, diagrams and the like |
US2439346A (en) * | 1944-09-02 | 1948-04-06 | Eclipse Moulded Products Compa | Parallel ruler and method of making the same |
GB784927A (en) * | 1956-05-24 | 1957-10-16 | Robert Nightingale | Improvements in or relating to rulers |
GB1113537A (en) * | 1965-08-20 | 1968-05-15 | Maurice Wyatt Flood Page | An improved drawing instrument |
GB2160478A (en) * | 1984-06-20 | 1985-12-24 | Forbes Sutherland Campbell | Parallel rulers |
GB8615824D0 (en) * | 1986-06-27 | 1986-08-06 | Smiths Industries Plc | Parallel protractor rules |
-
2005
- 2005-05-14 GB GB0509915A patent/GB2426069B/en not_active Expired - Fee Related
-
2006
- 2006-01-23 GB GB0601243A patent/GB2426070B/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
GB2426070B (en) | 2011-02-09 |
GB2426069B (en) | 2011-02-09 |
GB2426070A (en) | 2006-11-15 |
GB2426069A (en) | 2006-11-15 |
GB0601243D0 (en) | 2006-03-01 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PCNP | Patent ceased through non-payment of renewal fee |
Effective date: 20150514 |