CA2416814A1 - Locking fastener - Google Patents

Locking fastener Download PDF

Info

Publication number
CA2416814A1
CA2416814A1 CA002416814A CA2416814A CA2416814A1 CA 2416814 A1 CA2416814 A1 CA 2416814A1 CA 002416814 A CA002416814 A CA 002416814A CA 2416814 A CA2416814 A CA 2416814A CA 2416814 A1 CA2416814 A1 CA 2416814A1
Authority
CA
Canada
Prior art keywords
bolt
nut
barrel member
washer
conical barrel
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
CA002416814A
Other languages
French (fr)
Other versions
CA2416814C (en
Inventor
Fusao Yamada
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 PCT/JP2002/004374 external-priority patent/WO2003093692A1/en
Application filed by Individual filed Critical Individual
Publication of CA2416814A1 publication Critical patent/CA2416814A1/en
Application granted granted Critical
Publication of CA2416814C publication Critical patent/CA2416814C/en
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • F16B39/12—Locking of screws, bolts or nuts in which the locking takes place after screwing down by means of locknuts
    • F16B39/122—Locking of screws, bolts or nuts in which the locking takes place after screwing down by means of locknuts foreseen with mating surfaces inclined, i.e. not normal, to the bolt axis

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Bolts, Nuts, And Washers (AREA)

Abstract

In a fastener comprising a bolt (3), a nut (2), and a washer (1), a bolt through-hole (5) which is slightly larger than a nominal diameter of the bolt (3) is formed in a base portion (4) of the washer (1), a conical barrel member (6) whose diameter decreases toward an upward position in a bolt axial direction is formed around the bolt through-hole (5) so as to stand therefrom, a continuous slit for a notched circle is formed in the base portion (4) and the conical barrel member (6), the diameter of the conical barrel member (6) of such a washer (1) is decreased by the fastening of the nut (2) and the bolt (3), and the conical barrel member (6) is fitted into a conical hole portion (10) of the nut (2), thereby obtaining a state where the conical barrel member (6) of the washer (1) is bitten and sandwiched between the bolt (3) and the nut (2). The bolt (3) and the nut (2) are strongly integrated via two kinds of integration routes in the bolt axis orthogonal direction and the bolt axial direction, thereby rationally realizing a large locking effect.
CA002416814A 2002-05-01 2002-06-19 Locking fastener Expired - Fee Related CA2416814C (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JPPCT/JP02/04374 2002-05-01
PCT/JP2002/004374 WO2003093692A1 (en) 2002-05-01 2002-05-01 Locking fastener
PCT/JP2002/006097 WO2003093691A1 (en) 2002-05-01 2002-06-19 Locking fastener

Publications (2)

Publication Number Publication Date
CA2416814A1 true CA2416814A1 (en) 2003-11-01
CA2416814C CA2416814C (en) 2006-12-12

Family

ID=37561102

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002416814A Expired - Fee Related CA2416814C (en) 2002-05-01 2002-06-19 Locking fastener

Country Status (1)

Country Link
CA (1) CA2416814C (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110131286A (en) * 2019-06-18 2019-08-16 杨小华 A kind of spring washer, screw assembly and the nut component of jam nut composite structure
CN113153886A (en) * 2020-01-22 2021-07-23 林家民 Anti-loosening nut group

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110131286A (en) * 2019-06-18 2019-08-16 杨小华 A kind of spring washer, screw assembly and the nut component of jam nut composite structure
CN113153886A (en) * 2020-01-22 2021-07-23 林家民 Anti-loosening nut group

Also Published As

Publication number Publication date
CA2416814C (en) 2006-12-12

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Legal Events

Date Code Title Description
EEER Examination request
MKLA Lapsed

Effective date: 20200831