GB621912A - Improvements in and relating to drafting machines - Google Patents

Improvements in and relating to drafting machines

Info

Publication number
GB621912A
GB621912A GB3441346A GB3441346A GB621912A GB 621912 A GB621912 A GB 621912A GB 3441346 A GB3441346 A GB 3441346A GB 3441346 A GB3441346 A GB 3441346A GB 621912 A GB621912 A GB 621912A
Authority
GB
United Kingdom
Prior art keywords
mounting member
rollers
arm
draughting
counterweight
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
GB3441346A
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
Priority to CH248505D priority Critical patent/CH248505A/de
Priority to FR929380D priority patent/FR929380A/fr
Priority to BE466075D priority patent/BE466075A/xx
Application filed by Individual filed Critical Individual
Priority to GB3441346A priority patent/GB621912A/en
Publication of GB621912A publication Critical patent/GB621912A/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
    • B43L13/06—Guides for rulers with pivoted guide rods

Landscapes

  • Spinning Or Twisting Of Yarns (AREA)
GB3441346A 1946-11-20 1946-11-20 Improvements in and relating to drafting machines Expired GB621912A (en)

Priority Applications (4)

Application Number Priority Date Filing Date Title
CH248505D CH248505A (de) 1946-11-20 1945-06-23 Zeichenmaschine.
FR929380D FR929380A (fr) 1946-11-20 1946-06-13 Machine à dessiner
BE466075D BE466075A (enExample) 1946-11-20 1946-06-20
GB3441346A GB621912A (en) 1946-11-20 1946-11-20 Improvements in and relating to drafting machines

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB3441346A GB621912A (en) 1946-11-20 1946-11-20 Improvements in and relating to drafting machines

Publications (1)

Publication Number Publication Date
GB621912A true GB621912A (en) 1949-04-22

Family

ID=10365322

Family Applications (1)

Application Number Title Priority Date Filing Date
GB3441346A Expired GB621912A (en) 1946-11-20 1946-11-20 Improvements in and relating to drafting machines

Country Status (4)

Country Link
BE (1) BE466075A (enExample)
CH (1) CH248505A (enExample)
FR (1) FR929380A (enExample)
GB (1) GB621912A (enExample)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE949993C (de) * 1952-06-25 1956-09-27 Anselme Jean Fernand Chauvelon Befestigungsklammer fuer Zeichenvorrichtungen mit Parallelogrammgestaenge
NL112328C (enExample) * 1958-03-03
DE2551566A1 (de) * 1975-11-17 1977-05-26 Kuhlmann Kg Franz Laufwagen-zeichenmaschine

Also Published As

Publication number Publication date
CH248505A (de) 1947-05-15
FR929380A (fr) 1947-12-24
BE466075A (enExample) 1946-07-31

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