GB797787A - Improved parallel rule - Google Patents

Improved parallel rule

Info

Publication number
GB797787A
GB797787A GB25705/56A GB2570556A GB797787A GB 797787 A GB797787 A GB 797787A GB 25705/56 A GB25705/56 A GB 25705/56A GB 2570556 A GB2570556 A GB 2570556A GB 797787 A GB797787 A GB 797787A
Authority
GB
United Kingdom
Prior art keywords
rollers
ruler
pair
supporting member
aug
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
Application number
GB25705/56A
Other languages
English (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
Publication of GB797787A publication Critical patent/GB797787A/en
Expired legal-status Critical Current

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
    • B43L7/04—Straightedges with rollers

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • A Measuring Device Byusing Mechanical Method (AREA)
  • Friction Gearing (AREA)
GB25705/56A 1955-08-25 1956-08-22 Improved parallel rule Expired GB797787A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
AU797787X 1955-08-25

Publications (1)

Publication Number Publication Date
GB797787A true GB797787A (en) 1958-07-09

Family

ID=3759227

Family Applications (1)

Application Number Title Priority Date Filing Date
GB25705/56A Expired GB797787A (en) 1955-08-25 1956-08-22 Improved parallel rule

Country Status (3)

Country Link
US (1) US2893127A (enrdf_load_stackoverflow)
DE (1) DE1053972B (enrdf_load_stackoverflow)
GB (1) GB797787A (enrdf_load_stackoverflow)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3165839A (en) * 1963-02-12 1965-01-19 Peter S Hoagland Drafting device
GB2118105A (en) * 1982-04-08 1983-10-26 Graeme Peter Sagar Drawing implements

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3310878A (en) * 1965-04-05 1967-03-28 John E Giba Drafting instrument
US5628118A (en) * 1995-08-24 1997-05-13 Rivera; Teodorico M. Mini-drafting machine
USD586246S1 (en) * 2007-11-08 2009-02-10 United States Gypsum Company T-square with finger guard

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US287200A (en) * 1883-10-23 Alfbed wachs
US1333216A (en) * 1919-09-22 1920-03-09 Pajeau Charles Hamilton Wheeled toy
US1368465A (en) * 1920-12-09 1921-02-15 Frank C Sutliffe Caster
US1602276A (en) * 1923-10-19 1926-10-05 William H Lutz Combined level and plumb
US1887436A (en) * 1930-02-05 1932-11-08 William F Schacht Caster roller
US2506243A (en) * 1946-06-19 1950-05-02 Herbert E Sill Nonslip parallel rule
GB642348A (en) * 1948-03-10 1950-08-30 John Graham Binny Improvements in parallel rulers
DE822660C (de) * 1949-12-01 1951-11-26 Dr Christian Fuchs Rad, das eine unmittelbare Fortbewegung in jeder Richtung gestattet
US2670541A (en) * 1950-05-19 1954-03-02 Priess Hans Ruler
US2800720A (en) * 1955-08-30 1957-07-30 Kristiansen Svend Helge Parallel guiding devices

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3165839A (en) * 1963-02-12 1965-01-19 Peter S Hoagland Drafting device
GB2118105A (en) * 1982-04-08 1983-10-26 Graeme Peter Sagar Drawing implements

Also Published As

Publication number Publication date
DE1053972B (enrdf_load_stackoverflow) 1959-03-26
US2893127A (en) 1959-07-07

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