FR1165575A - Spring compensator for parallelogram drawing boards - Google Patents
Spring compensator for parallelogram drawing boardsInfo
- Publication number
- FR1165575A FR1165575A FR1165575DA FR1165575A FR 1165575 A FR1165575 A FR 1165575A FR 1165575D A FR1165575D A FR 1165575DA FR 1165575 A FR1165575 A FR 1165575A
- Authority
- FR
- France
- Prior art keywords
- drawing boards
- spring compensator
- parallelogram
- parallelogram drawing
- compensator
- 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
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
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB2826256A GB813349A (en) | 1956-09-15 | Counterbalance spring adjustment means for parallel motion linkage drafting machines |
Publications (1)
Publication Number | Publication Date |
---|---|
FR1165575A true FR1165575A (en) | 1958-10-27 |
Family
ID=10272865
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR1165575D Expired FR1165575A (en) | 1956-09-15 | 1956-11-30 | Spring compensator for parallelogram drawing boards |
Country Status (2)
Country | Link |
---|---|
CH (1) | CH345268A (en) |
FR (1) | FR1165575A (en) |
-
1956
- 1956-09-15 CH CH345268D patent/CH345268A/en unknown
- 1956-11-30 FR FR1165575D patent/FR1165575A/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
CH345268A (en) | 1960-03-15 |
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