FR670755A - Improvements to screwdrivers and other similar tools - Google Patents

Improvements to screwdrivers and other similar tools

Info

Publication number
FR670755A
FR670755A FR670755DA FR670755A FR 670755 A FR670755 A FR 670755A FR 670755D A FR670755D A FR 670755DA FR 670755 A FR670755 A FR 670755A
Authority
FR
France
Prior art keywords
screwdrivers
similar tools
tools
similar
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
Other languages
French (fr)
Inventor
Michael Laurence Bateman
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 filed Critical
Application granted granted Critical
Publication of FR670755A publication Critical patent/FR670755A/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)
FR670755D 1929-03-04 1929-03-04 Improvements to screwdrivers and other similar tools Expired FR670755A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR670755T 1929-03-04

Publications (1)

Publication Number Publication Date
FR670755A true FR670755A (en) 1929-12-04

Family

ID=9016543

Family Applications (1)

Application Number Title Priority Date Filing Date
FR670755D Expired FR670755A (en) 1929-03-04 1929-03-04 Improvements to screwdrivers and other similar tools

Country Status (1)

Country Link
FR (1) FR670755A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4140161A (en) * 1977-06-15 1979-02-20 Minnesota Mining And Manufacturing Company Screw holding and driving device

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4140161A (en) * 1977-06-15 1979-02-20 Minnesota Mining And Manufacturing Company Screw holding and driving device

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