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GB201811552D0 - Improvements in fasteners - Google Patents

Improvements in fasteners

Info

Publication number
GB201811552D0
GB201811552D0 GBGB1811552.7A GB201811552A GB201811552D0 GB 201811552 D0 GB201811552 D0 GB 201811552D0 GB 201811552 A GB201811552 A GB 201811552A GB 201811552 D0 GB201811552 D0 GB 201811552D0
Authority
GB
United Kingdom
Prior art keywords
fasteners
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.)
Granted
Application number
GBGB1811552.7A
Other versions
GB2575123A (en
GB2575123B (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.)
Trifast PLC
Original Assignee
Trifast 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 Trifast PLC filed Critical Trifast PLC
Priority to GB1811552.7A priority Critical patent/GB2575123B/en
Publication of GB201811552D0 publication Critical patent/GB201811552D0/en
Priority to TW108124709A priority patent/TW202012798A/en
Priority to PCT/GB2019/051965 priority patent/WO2020012197A1/en
Publication of GB2575123A publication Critical patent/GB2575123A/en
Application granted granted Critical
Publication of GB2575123B publication Critical patent/GB2575123B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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
    • 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
    • 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
    • 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
    • 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
    • F16B23/0038—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 substantially prismatic with up to six edges, e.g. triangular, square, pentagonal, Allen-type cross-sections
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Connection Of Plates (AREA)
  • Insertion Pins And Rivets (AREA)
GB1811552.7A 2018-07-13 2018-07-13 Improvements in fasteners Active GB2575123B (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
GB1811552.7A GB2575123B (en) 2018-07-13 2018-07-13 Improvements in fasteners
TW108124709A TW202012798A (en) 2018-07-13 2019-07-12 Improvements in fasteners
PCT/GB2019/051965 WO2020012197A1 (en) 2018-07-13 2019-07-12 Improvements in fasteners

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB1811552.7A GB2575123B (en) 2018-07-13 2018-07-13 Improvements in fasteners

Publications (3)

Publication Number Publication Date
GB201811552D0 true GB201811552D0 (en) 2018-08-29
GB2575123A GB2575123A (en) 2020-01-01
GB2575123B GB2575123B (en) 2020-07-08

Family

ID=63273367

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1811552.7A Active GB2575123B (en) 2018-07-13 2018-07-13 Improvements in fasteners

Country Status (3)

Country Link
GB (1) GB2575123B (en)
TW (1) TW202012798A (en)
WO (1) WO2020012197A1 (en)

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2608892A1 (en) * 1976-03-04 1977-09-08 Udo Schade Triangular aperture screw head - fits triangular section screwdriver with curved sides centred on opposite corner of triangle
US4827811A (en) * 1987-12-11 1989-05-09 Southco, Inc. Tamper-resistant fastener and tool for operating same
US5598753A (en) * 1995-02-07 1997-02-04 Lee; James S. Eagle wing tips tamper-proof fastener and driver tool
US5957645A (en) * 1997-10-31 1999-09-28 Phillips Screw Company Spiral drive system for threaded fasteners
DE20303978U1 (en) * 2003-03-13 2003-05-15 Anton Hummel Verwaltungs Gmbh, 79183 Waldkirch Screw element has operating section which has outer or inner elliptical contour to engage with similarly contoured operating tool
US6935824B2 (en) * 2003-04-29 2005-08-30 Edmund A. Nowak, Jr. Tamper resistant screw
US20070266832A1 (en) * 2006-05-17 2007-11-22 Peter Polick Rotary Driving Tool for High Angular Engagement with Elliptiziodal Driving Head
DE202017104290U1 (en) * 2017-07-19 2017-08-04 Lutz Barich Screw for releasably securing publicly accessible objects and screwing tool for screwing in and out of a screw

Also Published As

Publication number Publication date
GB2575123A (en) 2020-01-01
WO2020012197A1 (en) 2020-01-16
TW202012798A (en) 2020-04-01
GB2575123B (en) 2020-07-08

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