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GB300474A - Improvements relating to screwdrivers and brace bits for inserting screws - Google Patents

Improvements relating to screwdrivers and brace bits for inserting screws

Info

Publication number
GB300474A
GB300474A GB1377528A GB1377528A GB300474A GB 300474 A GB300474 A GB 300474A GB 1377528 A GB1377528 A GB 1377528A GB 1377528 A GB1377528 A GB 1377528A GB 300474 A GB300474 A GB 300474A
Authority
GB
United Kingdom
Prior art keywords
brace
screw
inserting screws
screwdrivers
bits
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
GB1377528A
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.)
DOCTO PATENT SCREW DRIVER COMP
Original Assignee
DOCTO PATENT SCREW DRIVER COMP
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 DOCTO PATENT SCREW DRIVER COMP filed Critical DOCTO PATENT SCREW DRIVER COMP
Priority to GB1377528A priority Critical patent/GB300474A/en
Publication of GB300474A publication Critical patent/GB300474A/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
    • 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
    • B25B23/101—Arrangements for handling screws or nuts for holding or positioning screw or nut prior to or during its rotation using mechanical gripping means for hand-driven screw-drivers

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Connection Of Plates (AREA)

Abstract

300,474. Doherty, J. J., and Docto Patent Screw Driver Co., Ltd. May 10, 1928. Cutters. - In a screwdriver or brace bit for inserting screws of the kind having screw holding jaws closed by a sliding ring &c. each jaw 1<a> is provided with a recess 2 of shape to fit the head of the screw 3, and with a raised cutting edge 5 adapted to countersink a place in the wood for the screw head.
GB1377528A 1928-05-10 1928-05-10 Improvements relating to screwdrivers and brace bits for inserting screws Expired GB300474A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB1377528A GB300474A (en) 1928-05-10 1928-05-10 Improvements relating to screwdrivers and brace bits for inserting screws

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB1377528A GB300474A (en) 1928-05-10 1928-05-10 Improvements relating to screwdrivers and brace bits for inserting screws

Publications (1)

Publication Number Publication Date
GB300474A true GB300474A (en) 1928-11-15

Family

ID=10029123

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1377528A Expired GB300474A (en) 1928-05-10 1928-05-10 Improvements relating to screwdrivers and brace bits for inserting screws

Country Status (1)

Country Link
GB (1) GB300474A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2324261A (en) * 1997-04-15 1998-10-21 Alistair Mcleod Gripping accessory

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2324261A (en) * 1997-04-15 1998-10-21 Alistair Mcleod Gripping accessory
US6116125A (en) * 1997-04-15 2000-09-12 Mcleod; Alistair Gripping accessory

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