GB852686A - Improvements in or relating to drawing boards having rack and pinion operated straight edges - Google Patents

Improvements in or relating to drawing boards having rack and pinion operated straight edges

Info

Publication number
GB852686A
GB852686A GB3300657A GB3300657A GB852686A GB 852686 A GB852686 A GB 852686A GB 3300657 A GB3300657 A GB 3300657A GB 3300657 A GB3300657 A GB 3300657A GB 852686 A GB852686 A GB 852686A
Authority
GB
United Kingdom
Prior art keywords
members
edge
straight
board
rack
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
GB3300657A
Other languages
English (en)
Inventor
Eric Lewin Dargue
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.)
DARGUE BROTHERS Ltd
Original Assignee
DARGUE BROTHERS Ltd
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
Priority to DENDAT1070961D priority Critical patent/DE1070961B/de
Application filed by DARGUE BROTHERS Ltd filed Critical DARGUE BROTHERS Ltd
Priority to GB3300657A priority patent/GB852686A/en
Publication of GB852686A publication Critical patent/GB852686A/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
    • 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
    • B43L13/04—Guides for rulers

Landscapes

  • Transmission Devices (AREA)
GB3300657A 1957-10-23 1957-10-23 Improvements in or relating to drawing boards having rack and pinion operated straight edges Expired GB852686A (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
DENDAT1070961D DE1070961B (https=) 1957-10-23
GB3300657A GB852686A (en) 1957-10-23 1957-10-23 Improvements in or relating to drawing boards having rack and pinion operated straight edges

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB3300657A GB852686A (en) 1957-10-23 1957-10-23 Improvements in or relating to drawing boards having rack and pinion operated straight edges

Publications (1)

Publication Number Publication Date
GB852686A true GB852686A (en) 1960-10-26

Family

ID=10347267

Family Applications (1)

Application Number Title Priority Date Filing Date
GB3300657A Expired GB852686A (en) 1957-10-23 1957-10-23 Improvements in or relating to drawing boards having rack and pinion operated straight edges

Country Status (2)

Country Link
DE (1) DE1070961B (https=)
GB (1) GB852686A (https=)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3177585A (en) * 1961-05-31 1965-04-13 Smith H Brown Coordinate positioning and measuring apparatus
FR2512398A1 (fr) * 1981-09-10 1983-03-11 Pavailler Louis Perfectionnements aux regles autoparalleles
GB2215068A (en) * 1988-02-12 1989-09-13 Colin Frederick Walton A drawing board

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1235185B (de) * 1961-02-11 1967-02-23 Pfaff Ag G M Gewichtsausgleich fuer Zeichenmaschinen

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3177585A (en) * 1961-05-31 1965-04-13 Smith H Brown Coordinate positioning and measuring apparatus
FR2512398A1 (fr) * 1981-09-10 1983-03-11 Pavailler Louis Perfectionnements aux regles autoparalleles
GB2215068A (en) * 1988-02-12 1989-09-13 Colin Frederick Walton A drawing board
GB2215068B (en) * 1988-02-12 1992-02-19 Colin Frederick Walton A drawing board

Also Published As

Publication number Publication date
DE1070961B (https=)

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