GB342438A - Improvements in or relating to screw drivers - Google Patents

Improvements in or relating to screw drivers

Info

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
Application number
GB3666029A
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
BRIDGEPORT HARDWARE Manufacturing CORP
Original Assignee
BRIDGEPORT HARDWARE Manufacturing CORP
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by BRIDGEPORT HARDWARE Manufacturing CORP filed Critical BRIDGEPORT HARDWARE Manufacturing CORP
Priority to GB3666029A priority Critical patent/GB342438A/en
Publication of GB342438A publication Critical patent/GB342438A/en
Expired legal-status Critical Current

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

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.
GB3666029A 1929-11-29 1929-11-29 Improvements in or relating to screw drivers Expired GB342438A (en)

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)

* Cited by examiner, † Cited by third party
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

Cited By (4)

* Cited by examiner, † Cited by third party
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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