JPS5743387B2 - - Google Patents
Info
- Publication number
- JPS5743387B2 JPS5743387B2 JP50063996A JP6399675A JPS5743387B2 JP S5743387 B2 JPS5743387 B2 JP S5743387B2 JP 50063996 A JP50063996 A JP 50063996A JP 6399675 A JP6399675 A JP 6399675A JP S5743387 B2 JPS5743387 B2 JP S5743387B2
- Authority
- JP
- Japan
- 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
- B25B15/005—Screwdrivers characterised by material or shape of the tool bit characterised by cross-section with cross- or star-shaped cross-section
-
- 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)
- Connection Of Plates (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US473840A US3897812A (en) | 1974-05-28 | 1974-05-28 | Screw driver |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS513098A JPS513098A (en]) | 1976-01-12 |
| JPS5743387B2 true JPS5743387B2 (en]) | 1982-09-14 |
Family
ID=23881219
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP50063996A Expired JPS5743387B2 (en]) | 1974-05-28 | 1975-05-28 |
Country Status (8)
| Country | Link |
|---|---|
| US (1) | US3897812A (en]) |
| JP (1) | JPS5743387B2 (en]) |
| BE (1) | BE829614A (en]) |
| CA (1) | CA1025253A (en]) |
| DE (1) | DE2522729C2 (en]) |
| FR (1) | FR2272795B3 (en]) |
| GB (1) | GB1498684A (en]) |
| SE (1) | SE423341B (en]) |
Families Citing this family (18)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS54119146A (en) * | 1978-03-08 | 1979-09-14 | Showa Rabaa Kagaku Kougiyou Kk | Heating element |
| US4339971A (en) * | 1978-12-13 | 1982-07-20 | Zatorre Alfredo E | Fastener and driving tool |
| US4625598A (en) * | 1985-05-10 | 1986-12-02 | Frank Wolfram | Positive engagement screw driver tool |
| US5461944A (en) * | 1986-12-08 | 1995-10-31 | Ciumaga; Massimo | Method of making a screwdriver |
| US4873900A (en) * | 1986-12-08 | 1989-10-17 | Massimo Ciumaga | Screw driving device |
| GB2218659B (en) * | 1988-05-19 | 1992-07-15 | Massimo Ciumaga | Screw driving device |
| US4977800A (en) * | 1988-12-30 | 1990-12-18 | Colvin David S | Screwdriver blade construction |
| JPH0741118Y2 (ja) * | 1989-10-04 | 1995-09-20 | 眞 西村 | 発熱シート |
| JP2709260B2 (ja) * | 1993-10-15 | 1998-02-04 | 株式会社ダイリン商事 | 遠赤外線輻射方法 |
| US6223634B1 (en) | 1997-10-03 | 2001-05-01 | Phillips Screw Company | Recessed head fastener and driver systems |
| US6216569B1 (en) * | 1999-08-17 | 2001-04-17 | Bobby Hu | Cabinet tip of a slotted screwdriver with improved engagement with a fastener slot |
| US6526851B1 (en) * | 2002-06-14 | 2003-03-04 | Richard D. Fuerle | Undercut screw and matching bit |
| US6955203B2 (en) * | 2003-04-02 | 2005-10-18 | Timothy Stancill | Bead breaker |
| DE102006011836B3 (de) | 2006-03-15 | 2007-10-18 | Autoliv Development Ab | Befestigungselement |
| USD583642S1 (en) * | 2007-12-31 | 2008-12-30 | Proprietary Technologies, Inc. | Screwdriver blade tip |
| US20090165604A1 (en) * | 2007-12-31 | 2009-07-02 | Macor Richard J | Engaging portion of a screwdriver |
| US20140305267A1 (en) * | 2013-04-10 | 2014-10-16 | Emile Baroody | No-Slip Screwdriver |
| USD795036S1 (en) * | 2015-09-03 | 2017-08-22 | Proprietary Technologies, Inc. | Slotted screwdriver blade tip |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US697836A (en) * | 1901-07-29 | 1902-04-15 | John Gilman Gorham | Screw-driver. |
| DE362860C (de) * | 1919-12-18 | 1922-11-02 | Orazio Vianello | Schraubenzieher |
| US1476653A (en) * | 1922-05-17 | 1923-12-04 | Joseph R Stanton | Screw driver |
| US1741349A (en) * | 1928-12-19 | 1929-12-31 | Bridgeport Hardware Mfg Corp | Screw driver |
| US1782981A (en) * | 1929-11-29 | 1930-11-25 | Bridgeport Hardware Mfg Corp | Screw driver |
| US3120251A (en) * | 1959-11-12 | 1964-02-04 | Voi Shan Ind Inc | Screwdriver |
| US3026920A (en) * | 1960-03-04 | 1962-03-27 | Voi Shan Ind Inc | Screwdriver |
| US3405748A (en) * | 1966-06-29 | 1968-10-15 | Sorteberg Johannes | Torsion tube screw driver |
-
1974
- 1974-05-28 US US473840A patent/US3897812A/en not_active Expired - Lifetime
-
1975
- 1975-05-08 GB GB19480/75A patent/GB1498684A/en not_active Expired
- 1975-05-14 SE SE7505508A patent/SE423341B/xx unknown
- 1975-05-22 DE DE2522729A patent/DE2522729C2/de not_active Expired
- 1975-05-27 CA CA227,848A patent/CA1025253A/en not_active Expired
- 1975-05-27 FR FR7516443A patent/FR2272795B3/fr not_active Expired
- 1975-05-28 JP JP50063996A patent/JPS5743387B2/ja not_active Expired
- 1975-05-28 BE BE156817A patent/BE829614A/xx unknown
Also Published As
| Publication number | Publication date |
|---|---|
| SE7505508L (sv) | 1975-12-01 |
| FR2272795A1 (en]) | 1975-12-26 |
| SE423341B (sv) | 1982-05-03 |
| BE829614A (fr) | 1975-09-15 |
| JPS513098A (en]) | 1976-01-12 |
| GB1498684A (en) | 1978-01-25 |
| AU8151575A (en) | 1976-12-02 |
| DE2522729A1 (de) | 1975-12-11 |
| FR2272795B3 (en]) | 1978-12-29 |
| CA1025253A (en) | 1978-01-31 |
| DE2522729C2 (de) | 1984-03-29 |
| US3897812A (en) | 1975-08-05 |