GB902367A - Improvements in or relating to screw or bolt fastening devices - Google Patents

Improvements in or relating to screw or bolt fastening devices

Info

Publication number
GB902367A
GB902367A GB4201060A GB4201060A GB902367A GB 902367 A GB902367 A GB 902367A GB 4201060 A GB4201060 A GB 4201060A GB 4201060 A GB4201060 A GB 4201060A GB 902367 A GB902367 A GB 902367A
Authority
GB
United Kingdom
Prior art keywords
screw
relating
bolt fastening
fastening devices
ridges
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
Application number
GB4201060A
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
Publication of GB902367A publication Critical patent/GB902367A/en
Expired 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
    • F16B39/00—Locking of screws, bolts or nuts
    • F16B39/22—Locking of screws, bolts or nuts in which the locking takes place during screwing down or tightening
    • F16B39/24—Locking of screws, bolts or nuts in which the locking takes place during screwing down or tightening by means of washers, spring washers, or resilient plates that lock against the object
    • 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
    • F16B39/00—Locking of screws, bolts or nuts
    • F16B39/22—Locking of screws, bolts or nuts in which the locking takes place during screwing down or tightening
    • F16B39/28—Locking of screws, bolts or nuts in which the locking takes place during screwing down or tightening by special members on, or shape of, the nut or bolt
    • F16B39/282—Locking by means of special shape of work-engaging surfaces, e.g. notched or toothed nuts

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Connection Of Plates (AREA)
  • Mutual Connection Of Rods And Tubes (AREA)
  • Milling Processes (AREA)

Abstract

902,367. Locking screw-heads. ATTWOOD, W. R. July 15, 1959, No. 42010/60. Divided out of 902,366. Class 89 (1). The head 10B of a screw 10 has a plurality of sharp-edged ridges 10A of symmetrical crosssection projecting directly from its bearing-face. The ridges may lie parallel to each other or extend radially from the shank.
GB4201060A 1959-07-15 1959-07-15 Improvements in or relating to screw or bolt fastening devices Expired GB902367A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB2435559A GB902366A (en) 1959-07-15 1959-07-15 Improvements in or relating to locking devices

Publications (1)

Publication Number Publication Date
GB902367A true GB902367A (en) 1962-08-01

Family

ID=10210414

Family Applications (2)

Application Number Title Priority Date Filing Date
GB2435559A Expired GB902366A (en) 1959-07-15 1959-07-15 Improvements in or relating to locking devices
GB4201060A Expired GB902367A (en) 1959-07-15 1959-07-15 Improvements in or relating to screw or bolt fastening devices

Family Applications Before (1)

Application Number Title Priority Date Filing Date
GB2435559A Expired GB902366A (en) 1959-07-15 1959-07-15 Improvements in or relating to locking devices

Country Status (1)

Country Link
GB (2) GB902366A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4294300A (en) * 1978-01-13 1981-10-13 Nedschroef Octrooi Maatschappij N.V. Self-locking fastener
EP0204156A1 (en) * 1985-05-07 1986-12-10 Tomaso Mattiauda Screw bolt
GB2194746A (en) * 1986-07-11 1988-03-16 Japan Hollow Steel A round metal rod secured to a metal plate

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IE832826L (en) * 1984-01-13 1985-06-01 Edmond Joseph Desmond Cleat for connecting adjacent structural members such as a¹high rafter and a roof purlins

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4294300A (en) * 1978-01-13 1981-10-13 Nedschroef Octrooi Maatschappij N.V. Self-locking fastener
EP0204156A1 (en) * 1985-05-07 1986-12-10 Tomaso Mattiauda Screw bolt
GB2194746A (en) * 1986-07-11 1988-03-16 Japan Hollow Steel A round metal rod secured to a metal plate
US4779326A (en) * 1986-07-11 1988-10-25 Japan Hollow Steel Co., Ltd. Method of bonding a metal round rod to a metal plate
GB2194746B (en) * 1986-07-11 1990-04-04 Japan Hollow Steel A round metal rod secured to a metal plate

Also Published As

Publication number Publication date
GB902366A (en) 1962-08-01

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