FR490093A - Tournevis - Google Patents

Tournevis

Info

Publication number
FR490093A
FR490093A FR490093DA FR490093A FR 490093 A FR490093 A FR 490093A FR 490093D A FR490093D A FR 490093DA FR 490093 A FR490093 A FR 490093A
Authority
FR
France
Prior art keywords
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
Frederick Hall White
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Application granted granted Critical
Publication of FR490093A publication Critical patent/FR490093A/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)
FR490093D 1918-05-15 1918-05-15 Tournevis Expired FR490093A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR490093T 1918-05-15

Publications (1)

Publication Number Publication Date
FR490093A true FR490093A (fr) 1919-04-01

Family

ID=1526268

Family Applications (1)

Application Number Title Priority Date Filing Date
FR490093D Expired FR490093A (fr) 1918-05-15 1918-05-15 Tournevis

Country Status (1)

Country Link
FR (1) FR490093A (fr)

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