FR839757A - Tournevis perfectionné - Google Patents

Tournevis perfectionné

Info

Publication number
FR839757A
FR839757A FR839757DA FR839757A FR 839757 A FR839757 A FR 839757A FR 839757D A FR839757D A FR 839757DA FR 839757 A FR839757 A FR 839757A
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
Frerejouan Du Saint
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 FR839757A publication Critical patent/FR839757A/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
    • B25B23/101—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)
FR839757D 1937-12-16 1937-12-16 Tournevis perfectionné Expired FR839757A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR839757T 1937-12-16

Publications (1)

Publication Number Publication Date
FR839757A true FR839757A (fr) 1939-04-12

Family

ID=9299690

Family Applications (1)

Application Number Title Priority Date Filing Date
FR839757D Expired FR839757A (fr) 1937-12-16 1937-12-16 Tournevis perfectionné

Country Status (1)

Country Link
FR (1) FR839757A (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2884971A (en) * 1953-08-17 1959-05-05 Hugh E Dierker Driving tool and holder attachment

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2884971A (en) * 1953-08-17 1959-05-05 Hugh E Dierker Driving tool and holder attachment

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