GB527849A - Improvements in or relating to drafting machines - Google Patents

Improvements in or relating to drafting machines

Info

Publication number
GB527849A
GB527849A GB1203439A GB1203439A GB527849A GB 527849 A GB527849 A GB 527849A GB 1203439 A GB1203439 A GB 1203439A GB 1203439 A GB1203439 A GB 1203439A GB 527849 A GB527849 A GB 527849A
Authority
GB
United Kingdom
Prior art keywords
cord
straight edge
relating
over pulleys
channel
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
GB1203439A
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.)
DEFIANCE SALES CORP
Original Assignee
DEFIANCE SALES CORP
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 DEFIANCE SALES CORP filed Critical DEFIANCE SALES CORP
Priority to GB1203439A priority Critical patent/GB527849A/en
Publication of GB527849A publication Critical patent/GB527849A/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
    • B43L13/046—Guides for rulers with cables

Landscapes

  • Food-Manufacturing Devices (AREA)

Abstract

527,849. Draughting machines. STEVENS, A. H. (Defiance Sales Corporation). April 21, 1939, No. 12034. [Class 97 (iii)] In a straight edge 1 for parallel movement on the pulley and cord principle, a longitudinal channel 10, in the lower face of the straight edge, is traversed by the cord 29 passing over pulleys 4, 9 and through slots 12 ... 15. The cord 29 is fixed to the drawing board at 30, adjustably at 31 and also clamped at 33 and passes over pulleys 17, 18. A clamp may be housed in the channel 10 to grip the cord 29 when it is desired to lock the straight edge in any desired position.
GB1203439A 1939-04-21 1939-04-21 Improvements in or relating to drafting machines Expired GB527849A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB1203439A GB527849A (en) 1939-04-21 1939-04-21 Improvements in or relating to drafting machines

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB1203439A GB527849A (en) 1939-04-21 1939-04-21 Improvements in or relating to drafting machines

Publications (1)

Publication Number Publication Date
GB527849A true GB527849A (en) 1940-10-17

Family

ID=9997217

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1203439A Expired GB527849A (en) 1939-04-21 1939-04-21 Improvements in or relating to drafting machines

Country Status (1)

Country Link
GB (1) GB527849A (en)

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