FR843459A - Perfectionnements aux tournevis - Google Patents

Perfectionnements aux tournevis

Info

Publication number
FR843459A
FR843459A FR843459DA FR843459A FR 843459 A FR843459 A FR 843459A FR 843459D A FR843459D A FR 843459DA FR 843459 A FR843459 A FR 843459A
Authority
FR
France
Prior art keywords
enhancements
screwdriver
screwdriver enhancements
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)
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.)
BRADSHAW PATENT SCREW Co
Original Assignee
BRADSHAW PATENT SCREW Co
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 BRADSHAW PATENT SCREW Co filed Critical BRADSHAW PATENT SCREW Co
Application granted granted Critical
Publication of FR843459A publication Critical patent/FR843459A/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
    • B25B15/00—Screwdrivers
    • B25B15/02—Screwdrivers operated by rotating the handle
    • B25B15/04—Screwdrivers operated by rotating the handle with ratchet action
    • 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
    • B25B13/00—Spanners; Wrenches
    • B25B13/48—Spanners; Wrenches for special purposes
    • B25B13/485—Spanners; Wrenches for special purposes for theft-proof screws, bolts or nuts
    • B25B13/486—Spanners; Wrenches for special purposes for theft-proof screws, bolts or nuts using a threaded connection between screw and tool
    • 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
    • B25B15/06—Screwdrivers operated by axial movement of the handle

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
FR843459D 1937-09-13 1938-09-13 Perfectionnements aux tournevis Expired FR843459A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB843459X 1937-09-13

Publications (1)

Publication Number Publication Date
FR843459A true FR843459A (fr) 1939-07-04

Family

ID=10571844

Family Applications (1)

Application Number Title Priority Date Filing Date
FR843459D Expired FR843459A (fr) 1937-09-13 1938-09-13 Perfectionnements aux tournevis

Country Status (1)

Country Link
FR (1) FR843459A (fr)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1171357B (de) * 1961-06-12 1964-05-27 Baumgartner Freres Sa Drillschrauber fuer Schlitzkopfschrauben
DE1204598B (de) * 1957-01-05 1965-11-04 Rene Antoine Marie Issartel Werkzeug-Drillvorrichtung fuer Schraubenzieher, Bohrer u. dgl.
FR2581336A1 (fr) * 1985-05-02 1986-11-07 Collomb Jean Cle pour visser une piece dont la tete comporte une entaille et un alesage filete

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1204598B (de) * 1957-01-05 1965-11-04 Rene Antoine Marie Issartel Werkzeug-Drillvorrichtung fuer Schraubenzieher, Bohrer u. dgl.
DE1171357B (de) * 1961-06-12 1964-05-27 Baumgartner Freres Sa Drillschrauber fuer Schlitzkopfschrauben
FR2581336A1 (fr) * 1985-05-02 1986-11-07 Collomb Jean Cle pour visser une piece dont la tete comporte une entaille et un alesage filete

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