GB0023535D0 - Locking screw system - Google Patents

Locking screw system

Info

Publication number
GB0023535D0
GB0023535D0 GB0023535A GB0023535A GB0023535D0 GB 0023535 D0 GB0023535 D0 GB 0023535D0 GB 0023535 A GB0023535 A GB 0023535A GB 0023535 A GB0023535 A GB 0023535A GB 0023535 D0 GB0023535 D0 GB 0023535D0
Authority
GB
United Kingdom
Prior art keywords
locking screw
screw system
locking
screw
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.)
Withdrawn
Application number
GB0023535A
Other versions
GB2367104A (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.)
Hobbins Maxim J S
Original Assignee
Hobbins Maxim J S
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 Hobbins Maxim J S filed Critical Hobbins Maxim J S
Priority to GB0023535A priority Critical patent/GB2367104A/en
Publication of GB0023535D0 publication Critical patent/GB0023535D0/en
Publication of GB2367104A publication Critical patent/GB2367104A/en
Withdrawn legal-status Critical Current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
    • F16B23/0015—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 rectangular, e.g. one-slot head
    • 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
    • F16B23/0023—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 cross-shaped

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Details Of Spanners, Wrenches, And Screw Drivers And Accessories (AREA)
GB0023535A 2000-09-26 2000-09-26 Screw head slot which retains a complementary screwdriver Withdrawn GB2367104A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB0023535A GB2367104A (en) 2000-09-26 2000-09-26 Screw head slot which retains a complementary screwdriver

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB0023535A GB2367104A (en) 2000-09-26 2000-09-26 Screw head slot which retains a complementary screwdriver

Publications (2)

Publication Number Publication Date
GB0023535D0 true GB0023535D0 (en) 2000-11-08
GB2367104A GB2367104A (en) 2002-03-27

Family

ID=9900128

Family Applications (1)

Application Number Title Priority Date Filing Date
GB0023535A Withdrawn GB2367104A (en) 2000-09-26 2000-09-26 Screw head slot which retains a complementary screwdriver

Country Status (1)

Country Link
GB (1) GB2367104A (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2444066B (en) * 2006-11-21 2009-04-01 Daniel Haines Fastener system
US8881625B2 (en) * 2011-12-05 2014-11-11 Robert Jenkins High speed, high torque screw fasteners and drive systems

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4033003A (en) * 1975-11-07 1977-07-05 Briles Manufacturing Head forming method
US4339971A (en) * 1978-12-13 1982-07-20 Zatorre Alfredo E Fastener and driving tool
US4311071A (en) * 1980-01-31 1982-01-19 Marvin Bassell Screw driver and screw head system
FR2536478A1 (en) * 1982-11-22 1984-05-25 Lutrat Jacques EXTRACTABLE SCREWS AND SCREWDRIVERS ADAPTABLE NON-RIPANT
GB2188389A (en) * 1985-11-30 1987-09-30 Clive Alan Newbould Screw driving formations
US5582548A (en) * 1990-04-10 1996-12-10 Czegledi; Imre Method of manufacture of anti-slip fastener
US5697743A (en) * 1996-10-04 1997-12-16 Parker; Stanley F. Tamper proof threaded fastener

Also Published As

Publication number Publication date
GB2367104A (en) 2002-03-27

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Legal Events

Date Code Title Description
WAP Application withdrawn, taken to be withdrawn or refused ** after publication under section 16(1)