IT1229601B - Cacciavite - Google Patents
CacciaviteInfo
- Publication number
- IT1229601B IT1229601B IT8709564A IT956487A IT1229601B IT 1229601 B IT1229601 B IT 1229601B IT 8709564 A IT8709564 A IT 8709564A IT 956487 A IT956487 A IT 956487A IT 1229601 B IT1229601 B IT 1229601B
- Authority
- IT
- Italy
- Prior art keywords
- screwdriver
- Prior art date
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)
- Details Of Spanners, Wrenches, And Screw Drivers And Accessories (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US06/944,470 US4873900A (en) | 1986-12-08 | 1986-12-08 | Screw driving device |
Publications (2)
Publication Number | Publication Date |
---|---|
IT8709564A0 IT8709564A0 (it) | 1987-12-04 |
IT1229601B true IT1229601B (it) | 1991-09-04 |
Family
ID=25481460
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IT8709564A IT1229601B (it) | 1986-12-08 | 1987-12-04 | Cacciavite |
Country Status (4)
Country | Link |
---|---|
US (1) | US4873900A (it) |
JP (1) | JPS63191576A (it) |
CA (1) | CA1276081C (it) |
IT (1) | IT1229601B (it) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5269209A (en) * | 1992-10-20 | 1993-12-14 | Baker David R | Curvilinear drive screwdriver and screw |
USD386063S (en) * | 1996-11-04 | 1997-11-11 | Badiali John A | Tool handle |
US6216569B1 (en) * | 1999-08-17 | 2001-04-17 | Bobby Hu | Cabinet tip of a slotted screwdriver with improved engagement with a fastener slot |
US7311026B2 (en) * | 2006-02-21 | 2007-12-25 | Joshua Robert Melton | Strip resistant screw head and screwdriver tip in combination |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1479506A (en) * | 1922-01-07 | 1924-01-01 | Marshallwells Company | Screw driver |
US1787087A (en) * | 1929-03-01 | 1930-12-30 | Peter L Robertson | Screw driver and method of making same |
US3405748A (en) * | 1966-06-29 | 1968-10-15 | Sorteberg Johannes | Torsion tube screw driver |
US3923088A (en) * | 1974-05-28 | 1975-12-02 | Edward T Arnn | Biting screw driver |
US3897812A (en) * | 1974-05-28 | 1975-08-05 | Edward T Arnn | Screw driver |
US4105056A (en) * | 1974-07-24 | 1978-08-08 | Arnn Edward T | Nonslip screw driver |
US4339971A (en) * | 1978-12-13 | 1982-07-20 | Zatorre Alfredo E | Fastener and driving tool |
US4311071A (en) * | 1980-01-31 | 1982-01-19 | Marvin Bassell | Screw driver and screw head system |
GB2131114A (en) * | 1982-11-25 | 1984-06-13 | Chang Chung Hsing | Screw and screwdriver |
-
1986
- 1986-12-08 US US06/944,470 patent/US4873900A/en not_active Expired - Fee Related
-
1987
- 1987-11-30 CA CA000553082A patent/CA1276081C/en not_active Expired - Lifetime
- 1987-12-04 IT IT8709564A patent/IT1229601B/it active
- 1987-12-07 JP JP62310797A patent/JPS63191576A/ja active Pending
Also Published As
Publication number | Publication date |
---|---|
JPS63191576A (ja) | 1988-08-09 |
IT8709564A0 (it) | 1987-12-04 |
US4873900A (en) | 1989-10-17 |
CA1276081C (en) | 1990-11-13 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
TA | Fee payment date (situation as of event date), data collected since 19931001 |
Effective date: 19931229 |