GB2261483B - Security fastener and tools for operating same - Google Patents

Security fastener and tools for operating same

Info

Publication number
GB2261483B
GB2261483B GB9123972A GB9123972A GB2261483B GB 2261483 B GB2261483 B GB 2261483B GB 9123972 A GB9123972 A GB 9123972A GB 9123972 A GB9123972 A GB 9123972A GB 2261483 B GB2261483 B GB 2261483B
Authority
GB
United Kingdom
Prior art keywords
tools
operating same
security fastener
fastener
security
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 - Fee Related
Application number
GB9123972A
Other versions
GB2261483A (en
GB9123972D0 (en
Inventor
Valerie Hulbert
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
Priority to GB9123972A priority Critical patent/GB2261483B/en
Publication of GB9123972D0 publication Critical patent/GB9123972D0/en
Publication of GB2261483A publication Critical patent/GB2261483A/en
Application granted granted Critical
Publication of GB2261483B publication Critical patent/GB2261483B/en
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • 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
    • B25B13/486—Spanners; Wrenches for special purposes for theft-proof screws, bolts or nuts using a threaded connection between screw and 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
    • 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
    • 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
    • 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
    • F16B23/0076—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

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Slide Fasteners, Snap Fasteners, And Hook Fasteners (AREA)
GB9123972A 1991-11-12 1991-11-12 Security fastener and tools for operating same Expired - Fee Related GB2261483B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB9123972A GB2261483B (en) 1991-11-12 1991-11-12 Security fastener and tools for operating same

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB9123972A GB2261483B (en) 1991-11-12 1991-11-12 Security fastener and tools for operating same

Publications (3)

Publication Number Publication Date
GB9123972D0 GB9123972D0 (en) 1992-01-02
GB2261483A GB2261483A (en) 1993-05-19
GB2261483B true GB2261483B (en) 1995-07-26

Family

ID=10704463

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9123972A Expired - Fee Related GB2261483B (en) 1991-11-12 1991-11-12 Security fastener and tools for operating same

Country Status (1)

Country Link
GB (1) GB2261483B (en)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5366330A (en) * 1993-07-26 1994-11-22 Vsi Corporation Fastener head with internal recess having a radial slot configuration and installation tool therefor
AT400478B (en) * 1993-09-30 1996-01-25 Ideal Standard THREADED PART WITH A TOOL APPROACH
DE19546739C2 (en) * 1995-12-14 1999-08-19 Ford Werke Ag Drain plug for a tin container
NO994934L (en) * 1999-10-08 2001-04-09 Jone Edland Screw head and tools
GB2361043A (en) * 2000-04-07 2001-10-10 Uniscrew Ltd Driving head for a fastener having at least two recesses
US20030219328A1 (en) * 2002-05-23 2003-11-27 Dennis Schultz Light weight fastener for use on interference fits in automation
DE10320655B4 (en) * 2003-05-07 2005-03-24 Robert Wedding Anti-sabotage screw has threaded shaft and screw head with drive recess with helical guide grooves for engagement by screwdriver tool having helical coil shaft compatible with drive recess
US8739660B2 (en) 2006-04-24 2014-06-03 Ttapdrive As Screw head and tool for use therewith
GB2437537A (en) 2006-04-24 2007-10-31 Jone Edland Screw head with hexalobular recess and corresponding tool
DE102006043784A1 (en) * 2006-09-13 2008-03-27 Aap Implantate Ag Screwdriver i.e. hexagonal screw turner, has screwdriver shank and screwdriver head that is conically tapered to point, where screwdriver head has twisting, and rotation of twisting takes place from shank with respect to clockwise direction
AT13459U1 (en) * 2011-08-29 2013-12-15 Johannes Duscheck Use of an insert for a screw-in device
NL2025250B1 (en) * 2020-03-31 2021-10-22 Lbm Europe B V MOUNTING ELEMENT WITH PROFILED HEAD

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB511033A (en) * 1937-12-07 1939-08-08 Granville Bradshaw Improvements in and relating to screws and self-tapping screwdrivers
GB513497A (en) * 1938-04-09 1939-10-13 Clyde Jay Coleman Improvements in and relating to screws and the method of manufacturing them
GB637683A (en) * 1947-11-04 1950-05-24 Henry Maitland Williams Improvements in and relating to screws having conoidal driving sockets and in tools for use with such screws
GB700854A (en) * 1949-06-21 1953-12-09 Neyrpic Ets Improvements in or relating to externally threaded solid members having heads such as bolts

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB511033A (en) * 1937-12-07 1939-08-08 Granville Bradshaw Improvements in and relating to screws and self-tapping screwdrivers
GB513497A (en) * 1938-04-09 1939-10-13 Clyde Jay Coleman Improvements in and relating to screws and the method of manufacturing them
GB637683A (en) * 1947-11-04 1950-05-24 Henry Maitland Williams Improvements in and relating to screws having conoidal driving sockets and in tools for use with such screws
GB700854A (en) * 1949-06-21 1953-12-09 Neyrpic Ets Improvements in or relating to externally threaded solid members having heads such as bolts

Also Published As

Publication number Publication date
GB2261483A (en) 1993-05-19
GB9123972D0 (en) 1992-01-02

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Legal Events

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

Effective date: 19971112