BE418916A - - Google Patents
Info
- Publication number
- BE418916A BE418916A BE418916DA BE418916A BE 418916 A BE418916 A BE 418916A BE 418916D A BE418916D A BE 418916DA BE 418916 A BE418916 A BE 418916A
- Authority
- BE
- Belgium
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
- F16B23/00—Specially shaped nuts or heads of bolts or screws for rotations by a tool
- F16B23/0007—Specially shaped nuts or heads of bolts or screws for rotations by a tool characterised by the shape of the recess or the protrusion engaging the tool
- F16B23/0015—Specially shaped nuts or heads of bolts or screws for rotations by a tool characterised by the shape of the recess or the protrusion engaging the tool substantially rectangular, e.g. one-slot head
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US54100A US2058197A (en) | 1935-12-12 | 1935-12-12 | Screw |
| US101623A US2160244A (en) | 1935-12-12 | 1936-09-19 | Screw driver |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE418916A true BE418916A (en) |
Family
ID=26732645
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE418916D BE418916A (en) | 1935-12-12 |
Country Status (3)
| Country | Link |
|---|---|
| US (1) | US2160244A (en) |
| BE (1) | BE418916A (en) |
| GB (1) | GB487153A (en) |
Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2502648A (en) * | 1944-10-24 | 1950-04-04 | Horace W Hacker | Screw |
| US2676510A (en) * | 1950-09-23 | 1954-04-27 | Nat Screw & Mfg Company | Screw driver slot with driver wedging means |
| FR1105234A (en) * | 1954-05-14 | 1955-11-29 | Hi Shear Rivet Tool Company | Screw head |
| NL276619A (en) * | 1961-03-31 | |||
| US4590825A (en) * | 1983-05-06 | 1986-05-27 | John Vaughn | High torque fastener and driving tool |
| US4670927A (en) * | 1983-05-06 | 1987-06-09 | John Vaughn | Method and apparatus for forming the head of a high torque fastener |
| US4497225A (en) * | 1983-05-06 | 1985-02-05 | John Vaughn | High torque fastener and driving tool |
| US4589154A (en) * | 1983-05-06 | 1986-05-20 | John Vaughn | Method and apparatus for forming the head of a high torque fastener |
| US8955418B2 (en) | 2013-03-08 | 2015-02-17 | Black & Decker Inc. | Threaded fastener driving tool |
-
0
- BE BE418916D patent/BE418916A/xx unknown
-
1936
- 1936-09-19 US US101623A patent/US2160244A/en not_active Expired - Lifetime
- 1936-12-11 GB GB34068/36A patent/GB487153A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| US2160244A (en) | 1939-05-30 |
| GB487153A (en) | 1938-06-13 |