FR440585A - Tournevis à lame double concave - Google Patents

Tournevis à lame double concave

Info

Publication number
FR440585A
FR440585A FR440585DA FR440585A FR 440585 A FR440585 A FR 440585A FR 440585D A FR440585D A FR 440585DA FR 440585 A FR440585 A FR 440585A
Authority
FR
France
Prior art keywords
double concave
blade screwdriver
concave blade
screwdriver
double
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
Alfred H Eicken
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.)
ALFRED H EICKEN
Original Assignee
ALFRED H EICKEN
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 ALFRED H EICKEN filed Critical ALFRED H EICKEN
Application granted granted Critical
Publication of FR440585A publication Critical patent/FR440585A/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
    • B25B15/001—Screwdrivers characterised by material or shape of the tool bit
    • B25B15/004—Screwdrivers characterised by material or shape of the tool bit characterised by cross-section
    • B25B15/007—Screwdrivers characterised by material or shape of the tool bit characterised by cross-section with blade of flat or substantially flat cross-section

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
FR440585D 1911-06-16 1912-02-26 Tournevis à lame double concave Expired FR440585A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE440585X 1911-06-16

Publications (1)

Publication Number Publication Date
FR440585A true FR440585A (fr) 1912-07-13

Family

ID=1481924

Family Applications (1)

Application Number Title Priority Date Filing Date
FR440585D Expired FR440585A (fr) 1911-06-16 1912-02-26 Tournevis à lame double concave

Country Status (1)

Country Link
FR (1) FR440585A (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2552134A (en) * 1948-07-28 1951-05-08 Gollobin Dental Co Inc Dental instrument construction
EP0453976A1 (fr) * 1990-04-24 1991-10-30 Asea Brown Boveri Ag Lame de tournevis

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2552134A (en) * 1948-07-28 1951-05-08 Gollobin Dental Co Inc Dental instrument construction
EP0453976A1 (fr) * 1990-04-24 1991-10-30 Asea Brown Boveri Ag Lame de tournevis
CH683078A5 (de) * 1990-04-24 1994-01-14 Asea Brown Boveri Schraubenzieherklinge.

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