CA2385885A1 - Threaded ceiling hook with anti-rotation washer - Google Patents

Threaded ceiling hook with anti-rotation washer Download PDF

Info

Publication number
CA2385885A1
CA2385885A1 CA002385885A CA2385885A CA2385885A1 CA 2385885 A1 CA2385885 A1 CA 2385885A1 CA 002385885 A CA002385885 A CA 002385885A CA 2385885 A CA2385885 A CA 2385885A CA 2385885 A1 CA2385885 A1 CA 2385885A1
Authority
CA
Canada
Prior art keywords
washer
fastener
tab
notch
ceiling
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
CA002385885A
Other languages
French (fr)
Other versions
CA2385885C (en
Inventor
Thomas W. Mcsherry
Andre Bouchard
Pierre R. Mcduff
Lang Nguyen-Huu
Michel Villagrasa
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.)
Cobra Anchors Co Ltd
Original Assignee
Cobra Fixations Cie Ltee - Cobra Anchors Co. Ltd.
Thomas W. Mcsherry
Pierre R. Mcduff
Lang Nguyen-Huu
Andre Bouchard
Michel Villagrasa
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 CA002283606A external-priority patent/CA2283606A1/en
Application filed by Cobra Fixations Cie Ltee - Cobra Anchors Co. Ltd., Thomas W. Mcsherry, Pierre R. Mcduff, Lang Nguyen-Huu, Andre Bouchard, Michel Villagrasa filed Critical Cobra Fixations Cie Ltee - Cobra Anchors Co. Ltd.
Priority to CA002385885A priority Critical patent/CA2385885C/en
Publication of CA2385885A1 publication Critical patent/CA2385885A1/en
Application granted granted Critical
Publication of CA2385885C publication Critical patent/CA2385885C/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
    • F16B39/22—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
    • F16B39/32—Locking by means of a pawl or pawl-like tongue

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Bolts, Nuts, And Washers (AREA)
  • Snaps, Bayonet Connections, Set Pins, And Snap Rings (AREA)

Abstract

A ceiling hook (H) comprises a fastener (F) for an-choring in a support structure, and a locking ring in the form of an anti-rotation washer (W). The washer (W) includes anchoring teeth (34) for stationarily mounting the washer (W) to the ceiling.
The hook member (12) and the washer (W) comprise co-operat-ing locking ratchet elements (22, 28) for locking the fastener (F) to the washer (W) and thus preventing the fastener (F) from loosening from the ceiling. The washer (W) defines at a central opening (30) thereof at least one notch (32) with the fastener (F) defining at least one tab with (26), the notch (32) being slidable through the tab (26) for mounting the washer (W) to the fastener (F) and then allowing it to rotate between the tab (26) and the hook member (12), whereby the washer (W) is prevented from being removed from the fastener (F) unless the tab (26) and notch (32) are aligned.
CA002385885A 1999-09-27 2000-09-27 Threaded ceiling hook with anti-rotation washer Expired - Fee Related CA2385885C (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CA002385885A CA2385885C (en) 1999-09-27 2000-09-27 Threaded ceiling hook with anti-rotation washer

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
CA002283606A CA2283606A1 (en) 1999-09-27 1999-09-27 Threaded ceiling hook with anti-rotation washer
CA2,283,606 1999-09-27
CA002385885A CA2385885C (en) 1999-09-27 2000-09-27 Threaded ceiling hook with anti-rotation washer
PCT/CA2000/001101 WO2001023767A1 (en) 1999-09-27 2000-09-27 Threaded ceiling hook with anti-rotation washer

Publications (2)

Publication Number Publication Date
CA2385885A1 true CA2385885A1 (en) 2001-04-05
CA2385885C CA2385885C (en) 2008-03-18

Family

ID=25681219

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002385885A Expired - Fee Related CA2385885C (en) 1999-09-27 2000-09-27 Threaded ceiling hook with anti-rotation washer

Country Status (1)

Country Link
CA (1) CA2385885C (en)

Also Published As

Publication number Publication date
CA2385885C (en) 2008-03-18

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EEER Examination request
MKLA Lapsed

Effective date: 20200928