FR710431A - Tournevis perfectionné - Google Patents

Tournevis perfectionné

Info

Publication number
FR710431A
FR710431A FR710431DA FR710431A FR 710431 A FR710431 A FR 710431A FR 710431D A FR710431D A FR 710431DA FR 710431 A FR710431 A FR 710431A
Authority
FR
France
Prior art keywords
screwdriver
advanced
advanced screwdriver
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
English (en)
Inventor
Adolphe Laithier
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 FR710431A publication Critical patent/FR710431A/fr
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
    • B25B23/105—Arrangements for handling screws or nuts for holding or positioning screw or nut prior to or during its rotation using mechanical gripping means the gripping device being an integral part of the driving bit
    • B25B23/106—Arrangements for handling screws or nuts for holding or positioning screw or nut prior to or during its rotation using mechanical gripping means the gripping device being an integral part of the driving bit the driving bit being a blade

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
FR710431D 1931-02-03 1931-02-03 Tournevis perfectionné Expired FR710431A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR710431T 1931-02-03

Publications (1)

Publication Number Publication Date
FR710431A true FR710431A (fr) 1931-08-22

Family

ID=9071610

Family Applications (1)

Application Number Title Priority Date Filing Date
FR710431D Expired FR710431A (fr) 1931-02-03 1931-02-03 Tournevis perfectionné

Country Status (1)

Country Link
FR (1) FR710431A (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2530763A (en) * 1946-08-10 1950-11-21 Herbert H Twente Screw gripping screw driver

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2530763A (en) * 1946-08-10 1950-11-21 Herbert H Twente Screw gripping screw driver

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