FR2423306B3 - - Google Patents

Info

Publication number
FR2423306B3
FR2423306B3 FR7908234A FR7908234A FR2423306B3 FR 2423306 B3 FR2423306 B3 FR 2423306B3 FR 7908234 A FR7908234 A FR 7908234A FR 7908234 A FR7908234 A FR 7908234A FR 2423306 B3 FR2423306 B3 FR 2423306B3
Authority
FR
France
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
FR7908234A
Other languages
French (fr)
Other versions
FR2423306A1 (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.)
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
Publication of FR2423306A1 publication Critical patent/FR2423306A1/en
Application granted granted Critical
Publication of FR2423306B3 publication Critical patent/FR2423306B3/fr
Granted 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
    • 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
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
    • F16B23/00—Specially shaped nuts or heads of bolts or screws for rotations by a tool

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Details Of Spanners, Wrenches, And Screw Drivers And Accessories (AREA)
  • Surgical Instruments (AREA)
FR7908234A 1978-04-19 1979-04-02 SET OF A THREADED FIXING ELEMENT AND ITS DRIVING TOOL Granted FR2423306A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US89759178A 1978-04-19 1978-04-19

Publications (2)

Publication Number Publication Date
FR2423306A1 FR2423306A1 (en) 1979-11-16
FR2423306B3 true FR2423306B3 (en) 1982-05-28

Family

ID=25408102

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7908234A Granted FR2423306A1 (en) 1978-04-19 1979-04-02 SET OF A THREADED FIXING ELEMENT AND ITS DRIVING TOOL

Country Status (5)

Country Link
JP (1) JPS54140296A (en)
DE (1) DE2852024C2 (en)
FR (1) FR2423306A1 (en)
GB (1) GB2019283B (en)
SE (1) SE7812181L (en)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2131114A (en) * 1982-11-25 1984-06-13 Chang Chung Hsing Screw and screwdriver
DE3704086C2 (en) * 1987-02-10 1996-06-05 Luhr Hans Georg Prof Dr Dr Medical instrument with an elbow for screwing
DE3709824A1 (en) * 1987-03-25 1988-10-06 Heinl Thomas SURGICAL HAND TOOL
DE9202561U1 (en) * 1992-02-27 1992-04-16 Howmedica GmbH, 2314 Schönkirchen Tool for screwing in pedicle screws
DE19910676B4 (en) * 1999-03-11 2004-10-07 Nacam Deutschland Gmbh Screw system for loosening and fastening screws
CN105382751B (en) * 2015-12-04 2018-08-17 中国航空工业集团公司洛阳电光设备研究所 A kind of monodactyle formula spanner
CN112276843B (en) * 2019-09-28 2022-05-03 东莞劲佳精密部件有限公司 Improved screwdriver and improved screw

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1411242A (en) * 1920-12-11 1922-03-28 Guy W Faust Screw driver
US3095912A (en) * 1958-08-28 1963-07-02 Sullivan Melvin Screw driver for bending wire
US3695321A (en) * 1970-06-30 1972-10-03 Jacob W Garehime Jr Cavity head screw and driving tool therefor
SE362817B (en) * 1971-03-25 1973-12-27 T L Hill
JPS5043357A (en) * 1973-08-22 1975-04-19
GB1469920A (en) * 1976-06-24 1977-04-06 Matthews S Screwclip

Also Published As

Publication number Publication date
GB2019283A (en) 1979-10-31
DE2852024C2 (en) 1983-06-01
DE2852024A1 (en) 1979-10-31
JPS54140296A (en) 1979-10-31
SE7812181L (en) 1979-10-20
GB2019283B (en) 1982-07-28
FR2423306A1 (en) 1979-11-16

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Legal Events

Date Code Title Description
ST Notification of lapse