CH517564A - Schraubenzieher - Google Patents
SchraubenzieherInfo
- Publication number
- CH517564A CH517564A CH272565A CH272565A CH517564A CH 517564 A CH517564 A CH 517564A CH 272565 A CH272565 A CH 272565A CH 272565 A CH272565 A CH 272565A CH 517564 A CH517564 A CH 517564A
- Authority
- CH
- Switzerland
- Prior art keywords
- screwdriver
- screw
- grooves
- wings
- side walls
- Prior art date
Links
- 238000007373 indentation Methods 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000003801 milling Methods 0.000 description 3
- 238000005520 cutting process Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 239000011796 hollow space material Substances 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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
- B25B15/005—Screwdrivers characterised by material or shape of the tool bit characterised by cross-section with cross- or star-shaped cross-section
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Connection Of Plates (AREA)
- Mutual Connection Of Rods And Tubes (AREA)
- Portable Nailing Machines And Staplers (AREA)
- Drilling Tools (AREA)
- Details Of Spanners, Wrenches, And Screw Drivers And Accessories (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB8586/64A GB1102404A (en) | 1964-02-29 | 1964-02-29 | Improvements in or relating to screw driving tools |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CH517564A true CH517564A (de) | 1972-01-15 |
Family
ID=9855328
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CH272565A CH517564A (de) | 1964-02-29 | 1965-02-26 | Schraubenzieher |
Country Status (7)
| Country | Link |
|---|---|
| AT (1) | AT274695B (is") |
| BE (1) | BE660332A (is") |
| CH (1) | CH517564A (is") |
| DE (1) | DE1914099U (is") |
| ES (1) | ES309937A2 (is") |
| FR (1) | FR1425776A (is") |
| GB (1) | GB1102404A (is") |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2469250A1 (fr) * | 1979-11-12 | 1981-05-22 | Defougeres Pierre | Embout cruciforme pour outil de vissage |
| US4998454A (en) * | 1988-11-14 | 1991-03-12 | Black & Decker Inc. | Screwdriver bit for phillips-head fasteners |
-
1964
- 1964-02-29 GB GB8586/64A patent/GB1102404A/en not_active Expired
-
1965
- 1965-02-19 DE DEG31731U patent/DE1914099U/de not_active Expired
- 1965-02-25 AT AT166765A patent/AT274695B/de active
- 1965-02-26 CH CH272565A patent/CH517564A/de not_active IP Right Cessation
- 1965-02-26 BE BE660332D patent/BE660332A/xx unknown
- 1965-02-26 FR FR7288A patent/FR1425776A/fr not_active Expired
- 1965-02-27 ES ES0309937A patent/ES309937A2/es not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| DE1914099U (de) | 1965-04-15 |
| FR1425776A (fr) | 1966-01-24 |
| ES309937A2 (es) | 1965-07-01 |
| AT274695B (de) | 1969-09-25 |
| GB1102404A (en) | 1968-02-07 |
| BE660332A (is") | 1965-06-16 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PL | Patent ceased |