IT480235B - - Google Patents

Info

Publication number
IT480235B
IT480235B IT480235DA IT480235B IT 480235 B IT480235 B IT 480235B IT 480235D A IT480235D A IT 480235DA IT 480235 B IT480235 B IT 480235B
Authority
IT
Italy
Application number
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
Application granted granted Critical
Publication of IT480235B publication Critical patent/IT480235B/it

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
    • 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
    • F16B23/0069—Specially shaped nuts or heads of bolts or screws for rotations by a tool with holes to be engaged with corresponding pins on the tool or protruding pins to be engaged with corresponding holes on the tool

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Details Of Spanners, Wrenches, And Screw Drivers And Accessories (AREA)
IT480235D 1950-06-14 1951-06-13 IT480235B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DEK0003754 1950-06-14

Publications (1)

Publication Number Publication Date
IT480235B true IT480235B (it) 1953-04-23

Family

ID=7210026

Family Applications (1)

Application Number Title Priority Date Filing Date
IT480235D IT480235B (it) 1950-06-14 1951-06-13

Country Status (3)

Country Link
DE (1) DE821445C (it)
FR (1) FR1038363A (it)
IT (1) IT480235B (it)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3492841A (en) * 1968-07-17 1970-02-03 Anthony P Ipri Threaded nut lock
US4027572A (en) * 1974-05-13 1977-06-07 Burge William G Theft-prevention screw fastenings

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3175452A (en) * 1961-03-15 1965-03-30 Leitner Kajetan Fastening means
US4302137A (en) * 1977-10-04 1981-11-24 Henry Hart Anti-tamper fastening means
FR2427507B1 (fr) * 1978-05-31 1985-05-31 Vassal Michel Dispositif de securite et antivol forme d'un ecrou ou boulon et d'une cle personnalisee pour le montage ou demontage
IL67733A0 (en) * 1983-01-23 1983-05-15 Mekler Dan Tamper-proof fastener and snap on wrench for use therewith
DE3539506A1 (de) * 1985-11-07 1987-05-14 Diehl Gmbh & Co Gleichachsig loesbare verbindung zwischen zwei oder mehreren bauteilen
DE9203163U1 (de) * 1992-03-10 1992-04-23 Uwe Metzer Holz-Montagebau, 21033 Hamburg Hülsenmutter zur hochfesten Gewinde- und Schraubenverbindung von Holz-, Kunststoff- und Stahlteilen
USD786138S1 (en) 2015-06-04 2017-05-09 Revlock, LLC Bicycle axle nut
USD763641S1 (en) 2015-06-04 2016-08-16 Revlock, LLC Wrench for a bicycle axle nut
US9464660B2 (en) 2014-06-10 2016-10-11 Revlock, LLC Tamper-resistant bicycle axle nut

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3492841A (en) * 1968-07-17 1970-02-03 Anthony P Ipri Threaded nut lock
US4027572A (en) * 1974-05-13 1977-06-07 Burge William G Theft-prevention screw fastenings

Also Published As

Publication number Publication date
DE821445C (de) 1951-11-19
FR1038363A (fr) 1953-09-28

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