GB201206735D0 - Tricone high security fastener - Google Patents

Tricone high security fastener

Info

Publication number
GB201206735D0
GB201206735D0 GBGB1206735.1A GB201206735A GB201206735D0 GB 201206735 D0 GB201206735 D0 GB 201206735D0 GB 201206735 A GB201206735 A GB 201206735A GB 201206735 D0 GB201206735 D0 GB 201206735D0
Authority
GB
United Kingdom
Prior art keywords
tricone
high security
security fastener
fastener
formation
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
GBGB1206735.1A
Other versions
GB2501268A (en
GB2501268B (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.)
TOOTH DAVID J
Original Assignee
TOOTH DAVID J
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 TOOTH DAVID J filed Critical TOOTH DAVID J
Priority to GB1206735.1A priority Critical patent/GB2501268B/en
Publication of GB201206735D0 publication Critical patent/GB201206735D0/en
Publication of GB2501268A publication Critical patent/GB2501268A/en
Application granted granted Critical
Publication of GB2501268B publication Critical patent/GB2501268B/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
    • F16B23/0069—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)
  • Portable Nailing Machines And Staplers (AREA)
  • Insertion Pins And Rivets (AREA)
  • Slide Fasteners (AREA)
  • Dowels (AREA)

Abstract

A fastener 7 has a head with a driving formation comprising one or more holes 8 or recesses. A conical formation is present in the, or each, hole 8. In a preferred embodiment the head has three holes 8, each with the conical formation.
GB1206735.1A 2012-04-17 2012-04-17 Cone security fastener Active GB2501268B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB1206735.1A GB2501268B (en) 2012-04-17 2012-04-17 Cone security fastener

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB1206735.1A GB2501268B (en) 2012-04-17 2012-04-17 Cone security fastener

Publications (3)

Publication Number Publication Date
GB201206735D0 true GB201206735D0 (en) 2012-05-30
GB2501268A GB2501268A (en) 2013-10-23
GB2501268B GB2501268B (en) 2020-02-05

Family

ID=46209187

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1206735.1A Active GB2501268B (en) 2012-04-17 2012-04-17 Cone security fastener

Country Status (1)

Country Link
GB (1) GB2501268B (en)

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2004347072A (en) * 2003-05-23 2004-12-09 Nitto Seiko Co Ltd Loosening preventing screw
US20060086214A1 (en) * 2004-10-26 2006-04-27 Smed Ole F Security screw
CN202510529U (en) * 2012-04-07 2012-10-31 徐尚仁 Epsilon-type anti-theft screw spike manufactured by quenching process for hardening without increasing brittleness

Also Published As

Publication number Publication date
GB2501268A (en) 2013-10-23
GB2501268B (en) 2020-02-05

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