GB9714143D0 - Improvements relating to fastening devices - Google Patents

Improvements relating to fastening devices

Info

Publication number
GB9714143D0
GB9714143D0 GBGB9714143.6A GB9714143A GB9714143D0 GB 9714143 D0 GB9714143 D0 GB 9714143D0 GB 9714143 A GB9714143 A GB 9714143A GB 9714143 D0 GB9714143 D0 GB 9714143D0
Authority
GB
United Kingdom
Prior art keywords
fastening devices
improvements relating
relating
fastening
devices
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Withdrawn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
GBGB9714143.6A
Other versions
GB2316989A (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.)
HART DONALD J
Original Assignee
HART DONALD 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 HART DONALD J filed Critical HART DONALD J
Publication of GB9714143D0 publication Critical patent/GB9714143D0/en
Publication of GB2316989A publication Critical patent/GB2316989A/en
Withdrawn legal-status Critical Current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
    • 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)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Details Of Spanners, Wrenches, And Screw Drivers And Accessories (AREA)
  • Gripping On Spindles (AREA)
GB9714143A 1996-09-10 1997-07-07 A fastening device for one-way rotation Withdrawn GB2316989A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GBGB9618849.5A GB9618849D0 (en) 1996-09-10 1996-09-10 Improvements relating to fastening devices

Publications (2)

Publication Number Publication Date
GB9714143D0 true GB9714143D0 (en) 1997-09-10
GB2316989A GB2316989A (en) 1998-03-11

Family

ID=10799679

Family Applications (2)

Application Number Title Priority Date Filing Date
GBGB9618849.5A Pending GB9618849D0 (en) 1996-09-10 1996-09-10 Improvements relating to fastening devices
GB9714143A Withdrawn GB2316989A (en) 1996-09-10 1997-07-07 A fastening device for one-way rotation

Family Applications Before (1)

Application Number Title Priority Date Filing Date
GBGB9618849.5A Pending GB9618849D0 (en) 1996-09-10 1996-09-10 Improvements relating to fastening devices

Country Status (1)

Country Link
GB (2) GB9618849D0 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115199626A (en) * 2021-04-01 2022-10-18 岩田螺丝株式会社 Safety nut and safety bolt

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102008036577A1 (en) 2008-07-31 2010-02-04 Arnold Umformtechnik Gmbh & Co. Kg Screw driving training

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1114099A (en) * 1967-01-16 1968-05-15 Marvin Walton One-way screw for operation with high speed power tools
GB1223900A (en) * 1968-07-31 1971-03-03 Gkn Screws Fasteners Ltd Improvements in or relating to tamperproof screws
US4171662A (en) * 1976-12-20 1979-10-23 Wright Line Inc. Security screw
GB2269644B (en) * 1992-08-14 1995-02-22 Kinnings Marlow Ltd Security nuts,screws and bolts

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115199626A (en) * 2021-04-01 2022-10-18 岩田螺丝株式会社 Safety nut and safety bolt

Also Published As

Publication number Publication date
GB2316989A (en) 1998-03-11
GB9618849D0 (en) 1996-10-23

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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)