GB342438A - Improvements in or relating to screw drivers - Google Patents
Improvements in or relating to screw driversInfo
- Publication number
- GB342438A GB342438A GB3666029A GB3666029A GB342438A GB 342438 A GB342438 A GB 342438A GB 3666029 A GB3666029 A GB 3666029A GB 3666029 A GB3666029 A GB 3666029A GB 342438 A GB342438 A GB 342438A
- Authority
- GB
- United Kingdom
- Prior art keywords
- relating
- bridgeport
- screwdrivers
- ribs
- screw drivers
- 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
- 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
-
- 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
- B25B15/002—Screwdrivers characterised by material or shape of the tool bit characterised by material used or surface finishing
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Fittings On The Vehicle Exterior For Carrying Loads, And Devices For Holding Or Mounting Articles (AREA)
- Cutting Tools, Boring Holders, And Turrets (AREA)
- Chairs For Special Purposes, Such As Reclining Chairs (AREA)
Abstract
342,438. Screwdrivers. WHITE, A. E., 5, Quality Court, Chancery Lane, London.-(Bridgeport Hardware Manufacturing Corporation; 461, Iranistan Avenue, Bridgeport, Connecticut, U.S.A.) Nov. 29, 1929, No. 36660. [Class 61 (iii).] Screwdrivers have sharp edges, comprising ribs formed on one or both surfaces to prevent slipping. Ribs 12, Fig. 1, may be formed at an angle to the shank, and a transverse rib may be formed at the end.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB3666029A GB342438A (en) | 1929-11-29 | 1929-11-29 | Improvements in or relating to screw drivers |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB3666029A GB342438A (en) | 1929-11-29 | 1929-11-29 | Improvements in or relating to screw drivers |
Publications (1)
Publication Number | Publication Date |
---|---|
GB342438A true GB342438A (en) | 1931-02-05 |
Family
ID=10390109
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB3666029A Expired GB342438A (en) | 1929-11-29 | 1929-11-29 | Improvements in or relating to screw drivers |
Country Status (1)
Country | Link |
---|---|
GB (1) | GB342438A (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
USD855433S1 (en) | 2017-08-09 | 2019-08-06 | Milwaukee Electric Tool Corporation | Screwdriver |
US11059162B2 (en) | 2017-05-17 | 2021-07-13 | Milwaukee Electric Tool Corporation | Screwdriver |
-
1929
- 1929-11-29 GB GB3666029A patent/GB342438A/en not_active Expired
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US11059162B2 (en) | 2017-05-17 | 2021-07-13 | Milwaukee Electric Tool Corporation | Screwdriver |
US11717951B2 (en) | 2017-05-17 | 2023-08-08 | Milwaukee Electric Tool Corporation | Screwdriver |
USD855433S1 (en) | 2017-08-09 | 2019-08-06 | Milwaukee Electric Tool Corporation | Screwdriver |
USD911140S1 (en) | 2017-08-09 | 2021-02-23 | Milwaukee Electric Tool Corporation | Screwdriver |
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