GB1475543A - Tamperproof fastenings - Google Patents

Tamperproof fastenings

Info

Publication number
GB1475543A
GB1475543A GB716174A GB716174A GB1475543A GB 1475543 A GB1475543 A GB 1475543A GB 716174 A GB716174 A GB 716174A GB 716174 A GB716174 A GB 716174A GB 1475543 A GB1475543 A GB 1475543A
Authority
GB
United Kingdom
Prior art keywords
tamperproof
fastenings
tamperproof fastenings
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
GB716174A
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.)
Ferranti International PLC
Original Assignee
Ferranti PLC
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 Ferranti PLC filed Critical Ferranti PLC
Priority to GB716174A priority Critical patent/GB1475543A/en
Publication of GB1475543A publication Critical patent/GB1475543A/en
Expired legal-status Critical Current

Links

Classifications

    • 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
    • F16B41/00—Measures against loss of bolts, nuts, or pins; Measures against unauthorised operation of bolts, nuts or pins
    • F16B41/005—Measures against unauthorised operation of bolts, nuts or pins
    • 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
    • F16B39/00—Locking of screws, bolts or nuts
    • F16B39/22—Locking of screws, bolts or nuts in which the locking takes place during screwing down or tightening
    • F16B39/28—Locking of screws, bolts or nuts in which the locking takes place during screwing down or tightening by special members on, or shape of, the nut or bolt
    • F16B39/32—Locking by means of a pawl or pawl-like tongue
    • 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
    • F16B31/00—Screwed connections specially modified in view of tensile load; Break-bolts
    • F16B31/02—Screwed connections specially modified in view of tensile load; Break-bolts for indicating the attainment of a particular tensile load or limiting tensile load
    • F16B31/021—Screwed connections specially modified in view of tensile load; Break-bolts for indicating the attainment of a particular tensile load or limiting tensile load by means of a frangible part
    • 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
    • F16B39/00—Locking of screws, bolts or nuts
    • F16B39/22—Locking of screws, bolts or nuts in which the locking takes place during screwing down or tightening
    • F16B39/24—Locking of screws, bolts or nuts in which the locking takes place during screwing down or tightening by means of washers, spring washers, or resilient plates that lock against the object

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
GB716174A 1975-02-17 1975-02-17 Tamperproof fastenings Expired GB1475543A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB716174A GB1475543A (en) 1975-02-17 1975-02-17 Tamperproof fastenings

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB716174A GB1475543A (en) 1975-02-17 1975-02-17 Tamperproof fastenings

Publications (1)

Publication Number Publication Date
GB1475543A true GB1475543A (en) 1977-06-01

Family

ID=9827792

Family Applications (1)

Application Number Title Priority Date Filing Date
GB716174A Expired GB1475543A (en) 1975-02-17 1975-02-17 Tamperproof fastenings

Country Status (1)

Country Link
GB (1) GB1475543A (en)

Cited By (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2156936A (en) * 1984-03-20 1985-10-16 Fram Ind Uk Ltd Assemblies of conjoined parts
US4617118A (en) * 1984-03-20 1986-10-14 Fram Industrial Ltd. Assemblies of conjoined parts
FR2596446A1 (en) * 1986-03-28 1987-10-02 Serd Soc Et Realisa Disjonct Device making the closure of elements, such as covers, shutters, doors or similar parts, tamper-proof
FR2661460A1 (en) * 1990-04-27 1991-10-31 Froment Sa Device for connecting two elements including a safety feature
FR2666885A1 (en) * 1990-09-18 1992-03-20 Landis & Gyr Betriebs Ag (Lead) sealing device for appliances
GB2250757A (en) * 1990-10-30 1992-06-17 Tinsley Wire Mesh fencing panel securing means
GB2260801A (en) * 1991-10-26 1993-04-28 Ronald Pace Motor vehicle anti-theft device
EP1004719A2 (en) * 1998-11-23 2000-05-31 SCHÜCO International KG Securing screw
FR2952148A1 (en) * 2009-11-02 2011-05-06 Georges Bidet VISIBLE CONNECTION INDEMONTABLE.
US7946171B2 (en) 2007-03-28 2011-05-24 Roche Diagnostics Operations, Inc. Analysis device with housing lock mechanism
CN112555263A (en) * 2020-12-03 2021-03-26 浙江超博尔五金股份有限公司 Anti-loose and anti-theft bolt

Cited By (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4617118A (en) * 1984-03-20 1986-10-14 Fram Industrial Ltd. Assemblies of conjoined parts
GB2156936A (en) * 1984-03-20 1985-10-16 Fram Ind Uk Ltd Assemblies of conjoined parts
FR2596446A1 (en) * 1986-03-28 1987-10-02 Serd Soc Et Realisa Disjonct Device making the closure of elements, such as covers, shutters, doors or similar parts, tamper-proof
FR2661460A1 (en) * 1990-04-27 1991-10-31 Froment Sa Device for connecting two elements including a safety feature
FR2666885A1 (en) * 1990-09-18 1992-03-20 Landis & Gyr Betriebs Ag (Lead) sealing device for appliances
GB2250757B (en) * 1990-10-30 1994-04-27 Tinsley Wire Mesh fencing panel securing means
GB2250757A (en) * 1990-10-30 1992-06-17 Tinsley Wire Mesh fencing panel securing means
GB2260801A (en) * 1991-10-26 1993-04-28 Ronald Pace Motor vehicle anti-theft device
EP1004719A2 (en) * 1998-11-23 2000-05-31 SCHÜCO International KG Securing screw
EP1004719A3 (en) * 1998-11-23 2001-06-06 SCHÜCO International KG Securing screw
US7946171B2 (en) 2007-03-28 2011-05-24 Roche Diagnostics Operations, Inc. Analysis device with housing lock mechanism
FR2952148A1 (en) * 2009-11-02 2011-05-06 Georges Bidet VISIBLE CONNECTION INDEMONTABLE.
WO2011051580A3 (en) * 2009-11-02 2011-06-30 Georges Bidet Undetachable screwed connection
CN112555263A (en) * 2020-12-03 2021-03-26 浙江超博尔五金股份有限公司 Anti-loose and anti-theft bolt

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Legal Events

Date Code Title Description
PS Patent sealed
PCNP Patent ceased through non-payment of renewal fee