GB359716A - Screwdriver screwholder - Google Patents
Screwdriver screwholderInfo
- Publication number
- GB359716A GB359716A GB3210630A GB3210630A GB359716A GB 359716 A GB359716 A GB 359716A GB 3210630 A GB3210630 A GB 3210630A GB 3210630 A GB3210630 A GB 3210630A GB 359716 A GB359716 A GB 359716A
- Authority
- GB
- United Kingdom
- Prior art keywords
- shank
- closed
- screwdriver
- screw
- screwholder
- 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
- B25B23/00—Details of, or accessories for, spanners, wrenches, screwdrivers
- B25B23/02—Arrangements for handling screws or nuts
- B25B23/08—Arrangements for handling screws or nuts for holding or positioning screw or nut prior to or during its rotation
- B25B23/10—Arrangements for handling screws or nuts for holding or positioning screw or nut prior to or during its rotation using mechanical gripping means
- B25B23/105—Arrangements for handling screws or nuts for holding or positioning screw or nut prior to or during its rotation using mechanical gripping means the gripping device being an integral part of the driving bit
- B25B23/106—Arrangements for handling screws or nuts for holding or positioning screw or nut prior to or during its rotation using mechanical gripping means the gripping device being an integral part of the driving bit the driving bit being a blade
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Length-Measuring Instruments Using Mechanical Means (AREA)
- Details Of Spanners, Wrenches, And Screw Drivers And Accessories (AREA)
Abstract
359,716. Screwdrivers. CLARKE, E. W., Dacre House, Victoria Street, London. Oct. 25, 1930, Nos. 32106, 32107, and 35658. [Class 61 (iii).] A screw holding screwdriver has the shank formed of two parts 1, 2 pivoted together scissors fashion at 3 and having the free ends 4, 5 ground to wedge shape as shown in Fig. 9 so as to slide over one another and grip inside the slot 6 in the screw 7 when the two shank members are closed. In a modification, Fig. 4, the shank members 1, 2 are formed integral with and held sprung apart by the handle 8 and closed by a sliding sleeve 15.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB3210630A GB359716A (en) | 1930-10-25 | 1930-10-25 | Screwdriver screwholder |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB3210630A GB359716A (en) | 1930-10-25 | 1930-10-25 | Screwdriver screwholder |
Publications (1)
Publication Number | Publication Date |
---|---|
GB359716A true GB359716A (en) | 1931-10-29 |
Family
ID=10333326
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB3210630A Expired GB359716A (en) | 1930-10-25 | 1930-10-25 | Screwdriver screwholder |
Country Status (1)
Country | Link |
---|---|
GB (1) | GB359716A (en) |
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2445383A (en) * | 1944-07-11 | 1948-07-20 | Barlow George Walker | Screw driver having two-part expanding bit |
US2560912A (en) * | 1947-06-28 | 1951-07-17 | Aitto George | Expanding bit screw driver |
US4078593A (en) * | 1977-01-17 | 1978-03-14 | Earl Benitz | Slide mechanism for expandable bit screw holding screwdriver |
GB2135923A (en) * | 1983-02-04 | 1984-09-12 | Timothy Mark Whitty | A screwdriver |
WO1995022441A1 (en) * | 1994-02-18 | 1995-08-24 | Melvin Post | Fastener system |
GB2389551A (en) * | 2002-06-13 | 2003-12-17 | Martin Philcox | Screwdriver with holding feature for socket screws |
-
1930
- 1930-10-25 GB GB3210630A patent/GB359716A/en not_active Expired
Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2445383A (en) * | 1944-07-11 | 1948-07-20 | Barlow George Walker | Screw driver having two-part expanding bit |
US2560912A (en) * | 1947-06-28 | 1951-07-17 | Aitto George | Expanding bit screw driver |
US4078593A (en) * | 1977-01-17 | 1978-03-14 | Earl Benitz | Slide mechanism for expandable bit screw holding screwdriver |
GB2135923A (en) * | 1983-02-04 | 1984-09-12 | Timothy Mark Whitty | A screwdriver |
WO1995022441A1 (en) * | 1994-02-18 | 1995-08-24 | Melvin Post | Fastener system |
GB2389551A (en) * | 2002-06-13 | 2003-12-17 | Martin Philcox | Screwdriver with holding feature for socket screws |
GB2389551B (en) * | 2002-06-13 | 2005-09-21 | Martin Philcox | Screw driver with holding feature for socket head screws |
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