GB0509915D0 - Plotting device - Google Patents

Plotting device

Info

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
Application number
GBGB0509915.5A
Other versions
GB2426069B (en
GB2426069A (en
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Individual filed Critical Individual
Priority to GB0509915A priority Critical patent/GB2426069B/en
Publication of GB0509915D0 publication Critical patent/GB0509915D0/en
Priority to GB0601243A priority patent/GB2426070B/en
Publication of GB2426069A publication Critical patent/GB2426069A/en
Application granted granted Critical
Publication of GB2426069B publication Critical patent/GB2426069B/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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.
GB0509915A 2005-05-14 2005-05-14 Plotting device Expired - Fee Related GB2426069B (en)

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)

* Cited by examiner, † Cited by third party
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)

* Cited by examiner, † Cited by third party
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

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