DE8700940U1 - - Google Patents

Info

Publication number
DE8700940U1
DE8700940U1 DE8700940U DE8700940U DE8700940U1 DE 8700940 U1 DE8700940 U1 DE 8700940U1 DE 8700940 U DE8700940 U DE 8700940U DE 8700940 U DE8700940 U DE 8700940U DE 8700940 U1 DE8700940 U1 DE 8700940U1
Authority
DE
Germany
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
DE8700940U
Other languages
German (de)
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.)
Wittmann Helmut Rw 6140 Bensheim De
Original Assignee
Wittmann Helmut Rw 6140 Bensheim De
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 Wittmann Helmut Rw 6140 Bensheim De filed Critical Wittmann Helmut Rw 6140 Bensheim De
Priority to DE8700940U priority Critical patent/DE8700940U1/de
Publication of DE8700940U1 publication Critical patent/DE8700940U1/de
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
    • 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
    • F16B23/0007—Specially shaped nuts or heads of bolts or screws for rotations by a tool characterised by the shape of the recess or the protrusion engaging the tool
    • 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
    • F16B23/0061—Specially shaped nuts or heads of bolts or screws for rotations by a tool with grooves, notches or splines on the external peripheral surface designed for tools engaging in radial direction
    • 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
    • F16B23/0076—Specially shaped nuts or heads of bolts or screws for rotations by a tool causing slipping of the tool in loosening rotation, i.e. disabling unscrewing unless another tool is used
DE8700940U 1987-01-21 1987-01-21 Expired DE8700940U1 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DE8700940U DE8700940U1 (ja) 1987-01-21 1987-01-21

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE8700940U DE8700940U1 (ja) 1987-01-21 1987-01-21

Publications (1)

Publication Number Publication Date
DE8700940U1 true DE8700940U1 (ja) 1987-05-27

Family

ID=6803820

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8700940U Expired DE8700940U1 (ja) 1987-01-21 1987-01-21

Country Status (1)

Country Link
DE (1) DE8700940U1 (ja)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2638496A1 (fr) * 1988-10-28 1990-05-04 Otis Elevator Co Vis indesserrable par les outils courants
FR2728318A1 (fr) * 1994-12-19 1996-06-21 Vassal Michel Ensemble cle et vis ou ecrou antivol, notamment pour roue de vehicule
EP1460225A1 (de) * 2003-03-21 2004-09-22 Eku Ag Laufwerk für eine Schiebetür
EP2151591A1 (en) * 2007-05-24 2010-02-10 TSF Navarra de Tecnicas de Soldadura y Fijacion, Soldadura y Fijación, S.L. Security screw and nut, with specific wrenches for tightening and loosening thereof
EP1923581A3 (de) * 2006-11-16 2010-12-01 NEDSCHROEF PLETTENBERG GmbH Verschraubungselement
FR3009743A1 (fr) * 2013-08-13 2015-02-20 Airbus Operations Sas Procede d'assemblage de pieces utilisant une fixation temporaire apte a se visser

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2638496A1 (fr) * 1988-10-28 1990-05-04 Otis Elevator Co Vis indesserrable par les outils courants
FR2728318A1 (fr) * 1994-12-19 1996-06-21 Vassal Michel Ensemble cle et vis ou ecrou antivol, notamment pour roue de vehicule
EP1460225A1 (de) * 2003-03-21 2004-09-22 Eku Ag Laufwerk für eine Schiebetür
EP1923581A3 (de) * 2006-11-16 2010-12-01 NEDSCHROEF PLETTENBERG GmbH Verschraubungselement
EP2151591A1 (en) * 2007-05-24 2010-02-10 TSF Navarra de Tecnicas de Soldadura y Fijacion, Soldadura y Fijación, S.L. Security screw and nut, with specific wrenches for tightening and loosening thereof
EP2151591A4 (en) * 2007-05-24 2013-03-13 Tsf Navarra De Tecn De Soldadura Y Fijacion Soldadura Y Fijacion S L SCREWS AND SAFETY BOLTS WITH SPECIFIC KEYS FOR CLAMPING AND LOOSENING
FR3009743A1 (fr) * 2013-08-13 2015-02-20 Airbus Operations Sas Procede d'assemblage de pieces utilisant une fixation temporaire apte a se visser

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