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GB2295434A - Improvements relating to fixing devices - Google Patents

Improvements relating to fixing devices

Info

Publication number
GB2295434A
GB2295434A GB9601050A GB9601050A GB2295434A GB 2295434 A GB2295434 A GB 2295434A GB 9601050 A GB9601050 A GB 9601050A GB 9601050 A GB9601050 A GB 9601050A GB 2295434 A GB2295434 A GB 2295434A
Authority
GB
United Kingdom
Prior art keywords
bolt
insert
locking
cap head
fixing 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Withdrawn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
GB9601050A
Other versions
GB9601050D0 (en
Inventor
Andrew Chadburn
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
Priority claimed from GB939315503A external-priority patent/GB9315503D0/en
Application filed by Individual filed Critical Individual
Priority to GB9601050A priority Critical patent/GB2295434A/en
Publication of GB9601050D0 publication Critical patent/GB9601050D0/en
Publication of GB2295434A publication Critical patent/GB2295434A/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Withdrawn legal-status Critical Current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
    • F16B39/00—Locking of screws, bolts or nuts
    • F16B39/02—Locking of screws, bolts or nuts in which the locking takes place after screwing down
    • F16B39/023—Locking of screws, bolts or nuts in which the locking takes place after screwing down by driving a conic or wedge-shaped expander through the threaded element

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Joining Of Building Structures In Genera (AREA)

Abstract

A fixing bolt (2) which is lockable in place by means of a locking insert (4) which is received within the split end (8) of the bolt, or indeed any threaded member. When the bolt (2) is in place with a nut or other bolt counterpart located at the free end of the bolt and locking is desired, the insert (4) is forcibly moved into the split end to splay it apart. In one preferred embodiment the bolt is lockable/releasable and has a cap head bolt (22) located in an axial bore of the fixing bolt. The cap head bolt carries the insert and rotation of the cap head bolt causes the insert to move axially of the fixing bolt end, thereby locking or releasing the bolt. <IMAGE>
GB9601050A 1993-07-27 1994-07-26 Improvements relating to fixing devices Withdrawn GB2295434A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB9601050A GB2295434A (en) 1993-07-27 1994-07-26 Improvements relating to fixing devices

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
GB939315503A GB9315503D0 (en) 1993-07-27 1993-07-27 Improvements relating to fixing bolts
GB9601050A GB2295434A (en) 1993-07-27 1994-07-26 Improvements relating to fixing devices
PCT/GB1994/001607 WO1995004229A1 (en) 1993-07-27 1994-07-26 Improvements relating to fixing devices

Publications (2)

Publication Number Publication Date
GB9601050D0 GB9601050D0 (en) 1996-03-20
GB2295434A true GB2295434A (en) 1996-05-29

Family

ID=26303285

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9601050A Withdrawn GB2295434A (en) 1993-07-27 1994-07-26 Improvements relating to fixing devices

Country Status (1)

Country Link
GB (1) GB2295434A (en)

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE283525C (en) *
GB124878A (en) * 1918-04-02 1919-04-02 Kingsland Res Syndicate Ltd Improvements in or relating to Nuts and Bolts.
DE362413C (en) * 1914-03-15 1923-01-27 Heinrich Eigener Screw locking
FR584119A (en) * 1924-07-15 1925-01-30 Screw with movable nipple ensuring a more rational locking by eliminating the harmful effect of the entry cone generally given to the first threads
DE444037C (en) * 1924-02-12 1927-05-10 Karl Schubert Screw locking
US3042094A (en) * 1959-09-30 1962-07-03 Elsa I Liljeberg Locking screw with expanding means at each end
US3378054A (en) * 1967-02-27 1968-04-16 Rudolph M. Vaughn Rapid threading fastener assembly
FR2058607A5 (en) * 1969-09-16 1971-05-28 Mathevot Michel

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE283525C (en) *
DE362413C (en) * 1914-03-15 1923-01-27 Heinrich Eigener Screw locking
GB124878A (en) * 1918-04-02 1919-04-02 Kingsland Res Syndicate Ltd Improvements in or relating to Nuts and Bolts.
DE444037C (en) * 1924-02-12 1927-05-10 Karl Schubert Screw locking
FR584119A (en) * 1924-07-15 1925-01-30 Screw with movable nipple ensuring a more rational locking by eliminating the harmful effect of the entry cone generally given to the first threads
US3042094A (en) * 1959-09-30 1962-07-03 Elsa I Liljeberg Locking screw with expanding means at each end
US3378054A (en) * 1967-02-27 1968-04-16 Rudolph M. Vaughn Rapid threading fastener assembly
FR2058607A5 (en) * 1969-09-16 1971-05-28 Mathevot Michel

Also Published As

Publication number Publication date
GB9601050D0 (en) 1996-03-20

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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)