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FR1443552A - Special screwdrivers for security locking screws - Google Patents

Special screwdrivers for security locking screws

Info

Publication number
FR1443552A
FR1443552A FR24572A FR24572A FR1443552A FR 1443552 A FR1443552 A FR 1443552A FR 24572 A FR24572 A FR 24572A FR 24572 A FR24572 A FR 24572A FR 1443552 A FR1443552 A FR 1443552A
Authority
FR
France
Prior art keywords
locking screws
security locking
screwdrivers
special
special screwdrivers
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
FR24572A
Other languages
French (fr)
Inventor
Pierre Henri Joseph Parmentier
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
Priority to FR24572A priority Critical patent/FR1443552A/en
Priority to FR24573A priority patent/FR1441073A/en
Application granted granted Critical
Publication of FR1443552A publication Critical patent/FR1443552A/en
Priority to BE684086D priority patent/BE684086A/xx
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
    • 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
    • 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
    • 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)
FR24572A 1965-07-13 1965-07-13 Special screwdrivers for security locking screws Expired FR1443552A (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
FR24572A FR1443552A (en) 1965-07-13 1965-07-13 Special screwdrivers for security locking screws
FR24573A FR1441073A (en) 1965-07-13 1965-07-13 Locking security screws
BE684086D BE684086A (en) 1965-07-13 1966-07-13

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR24572A FR1443552A (en) 1965-07-13 1965-07-13 Special screwdrivers for security locking screws

Publications (1)

Publication Number Publication Date
FR1443552A true FR1443552A (en) 1966-06-24

Family

ID=8584456

Family Applications (1)

Application Number Title Priority Date Filing Date
FR24572A Expired FR1443552A (en) 1965-07-13 1965-07-13 Special screwdrivers for security locking screws

Country Status (1)

Country Link
FR (1) FR1443552A (en)

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