FR440585A - Tournevis à lame double concave - Google Patents
Tournevis à lame double concaveInfo
- Publication number
- FR440585A FR440585A FR440585DA FR440585A FR 440585 A FR440585 A FR 440585A FR 440585D A FR440585D A FR 440585DA FR 440585 A FR440585 A FR 440585A
- Authority
- FR
- France
- Prior art keywords
- double concave
- blade screwdriver
- concave blade
- screwdriver
- double
- 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
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
- B25B15/00—Screwdrivers
- B25B15/001—Screwdrivers characterised by material or shape of the tool bit
- B25B15/004—Screwdrivers characterised by material or shape of the tool bit characterised by cross-section
- B25B15/007—Screwdrivers characterised by material or shape of the tool bit characterised by cross-section with blade of flat or substantially flat cross-section
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE440585X | 1911-06-16 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR440585A true FR440585A (fr) | 1912-07-13 |
Family
ID=1481924
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR440585D Expired FR440585A (fr) | 1911-06-16 | 1912-02-26 | Tournevis à lame double concave |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR440585A (fr) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2552134A (en) * | 1948-07-28 | 1951-05-08 | Gollobin Dental Co Inc | Dental instrument construction |
EP0453976A1 (fr) * | 1990-04-24 | 1991-10-30 | Asea Brown Boveri Ag | Lame de tournevis |
-
1912
- 1912-02-26 FR FR440585D patent/FR440585A/fr not_active Expired
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2552134A (en) * | 1948-07-28 | 1951-05-08 | Gollobin Dental Co Inc | Dental instrument construction |
EP0453976A1 (fr) * | 1990-04-24 | 1991-10-30 | Asea Brown Boveri Ag | Lame de tournevis |
CH683078A5 (de) * | 1990-04-24 | 1994-01-14 | Asea Brown Boveri | Schraubenzieherklinge. |
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