GB356449A - Improvements in or relating to screwdrivers and other tools having removable bits - Google Patents
Improvements in or relating to screwdrivers and other tools having removable bitsInfo
- Publication number
- GB356449A GB356449A GB2528130A GB2528130A GB356449A GB 356449 A GB356449 A GB 356449A GB 2528130 A GB2528130 A GB 2528130A GB 2528130 A GB2528130 A GB 2528130A GB 356449 A GB356449 A GB 356449A
- Authority
- GB
- United Kingdom
- Prior art keywords
- bit
- bits
- tool
- spanners
- shank
- 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
- B25B23/0007—Connections or joints between tool parts
- B25B23/0035—Connection means between socket or screwdriver bit and tool
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Portable Nailing Machines And Staplers (AREA)
Abstract
356,449. Screw-drivers, spanners, &c. GUEST, KEEN, & NETTLEFOLDS, Ltd. and DEACON, H., Heath Street, Birmingham. Aug. 25, 1930, No. 25281. [Classes 61 (i) and 61 (iii).] Toothed holding and clamping and contracting devices socket fixings.-A hand tool having removable bits, such as screw-driving bits, box-spanners, or drills, comprises a shank 1 the end of which is flattened at 10 and grooved at 8 to provide teeth adapted to engage complementary teeth on a bit 2, the parts being secured together by a slidable split ring 12 which is contracted by a screwed ring 17. In a modification, Fig. 6, the respective flats on the shank and bit are slightly inclined to the tool axis and the outer tooth 101 on a bit is slightly larger, and engages a shallower recess 9<1>, than the inner tooth 10. In this case the parts are locked together by a plain sliding ring 12. Hollow handles.-The handle of the tool may be provided with an axial cavity 19 to receive spare bits &c., and is closed by a screwed cap 20.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB2528130A GB356449A (en) | 1930-08-25 | 1930-08-25 | Improvements in or relating to screwdrivers and other tools having removable bits |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB2528130A GB356449A (en) | 1930-08-25 | 1930-08-25 | Improvements in or relating to screwdrivers and other tools having removable bits |
Publications (1)
Publication Number | Publication Date |
---|---|
GB356449A true GB356449A (en) | 1931-09-10 |
Family
ID=10225168
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB2528130A Expired GB356449A (en) | 1930-08-25 | 1930-08-25 | Improvements in or relating to screwdrivers and other tools having removable bits |
Country Status (1)
Country | Link |
---|---|
GB (1) | GB356449A (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2468195A (en) * | 1945-02-27 | 1949-04-26 | Rossie Hanes | Toolholder |
US5597275A (en) * | 1995-03-28 | 1997-01-28 | Hogan; Scott H. | Tool with changeable working tip |
-
1930
- 1930-08-25 GB GB2528130A patent/GB356449A/en not_active Expired
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2468195A (en) * | 1945-02-27 | 1949-04-26 | Rossie Hanes | Toolholder |
US5597275A (en) * | 1995-03-28 | 1997-01-28 | Hogan; Scott H. | Tool with changeable working tip |
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