WO2001069043A1 - Ensemble de fixation de cable anti-sismique - Google Patents

Ensemble de fixation de cable anti-sismique Download PDF

Info

Publication number
WO2001069043A1
WO2001069043A1 PCT/US2000/031997 US0031997W WO0169043A1 WO 2001069043 A1 WO2001069043 A1 WO 2001069043A1 US 0031997 W US0031997 W US 0031997W WO 0169043 A1 WO0169043 A1 WO 0169043A1
Authority
WO
WIPO (PCT)
Prior art keywords
cable
bracket
aperture
attachment assembly
seismic
Prior art date
Application number
PCT/US2000/031997
Other languages
English (en)
Inventor
William J. Thompson
Keith L. Watkins
Original Assignee
Tomarco Contractor Specialties, Inc.
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 Tomarco Contractor Specialties, Inc. filed Critical Tomarco Contractor Specialties, Inc.
Publication of WO2001069043A1 publication Critical patent/WO2001069043A1/fr

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60J—WINDOWS, WINDSCREENS, NON-FIXED ROOFS, DOORS, OR SIMILAR DEVICES FOR VEHICLES; REMOVABLE EXTERNAL PROTECTIVE COVERINGS SPECIALLY ADAPTED FOR VEHICLES
    • B60J7/00—Non-fixed roofs; Roofs with movable panels, e.g. rotary sunroofs
    • B60J7/08—Non-fixed roofs; Roofs with movable panels, e.g. rotary sunroofs of non-sliding type, i.e. movable or removable roofs or panels, e.g. let-down tops or roofs capable of being easily detached or of assuming a collapsed or inoperative position
    • B60J7/10—Non-fixed roofs; Roofs with movable panels, e.g. rotary sunroofs of non-sliding type, i.e. movable or removable roofs or panels, e.g. let-down tops or roofs capable of being easily detached or of assuming a collapsed or inoperative position readily detachable, e.g. tarpaulins with frames, or fastenings for tarpaulins
    • B60J7/102—Readily detachable tarpaulins, e.g. for utility vehicles; Frames therefor
    • B60J7/104—Fastening means for tarpaulins
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B9/00—Ceilings; Construction of ceilings, e.g. false ceilings; Ceiling construction with regard to insulation
    • E04B9/006—Ceilings; Construction of ceilings, e.g. false ceilings; Ceiling construction with regard to insulation with means for hanging lighting fixtures or other appliances to the framework of the ceiling
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B9/00—Ceilings; Construction of ceilings, e.g. false ceilings; Ceiling construction with regard to insulation
    • E04B9/18—Means for suspending the supporting construction
    • E04B9/20—Means for suspending the supporting construction adjustable

Definitions

  • the present invention relates generally to improvements in bracing assemblies for suspended HVAC ducts, electrical fixtures and conduit, communication lines, ceiling grid systems, and utility pipes and trapeze racks that carry utility piping in the ceiling area of a building, and more particularly pertains to new and improved cable bracing assemblies for bracing the suspended apparatus and utilities against seismic movement.
  • Seismic cable brace 11 has a "G" shaped hook 13 which is hinged to a frame 15 by a shaft 17 that passes through apertures in the frame 15.
  • a pair of bolts 19 and 21 having a threaded shaft thick enough to allow a sufficiently long aperture through its diameter to receive a cable 27.
  • the apertures in the bolt shafts are located underneath the heads.
  • the cable 27 passes through the shaft apertures before the shafts pass through apertures in the frame 15 to be tightened by respective nuts 23 and 25. Cable 27 is thus held fast by pressure between the head of the bolts 19 and 21 and the back side of the frame 15.
  • the present invention does not have these shortcomings.
  • a rod capture bracket at one end, and an anchor bracket or similar connection at the other end of a cable or wire allows the bracing of suspended utility pipes conduits or trapeze racks holding these types of utilities and related apparatus without disconnecting the conduit or trapeze from the suspension rods, while providing an inexpensive and easy to install bracing system.
  • the capture bracket has a right-angled shaped slot cut into it, at a width that is slightly larger than the diameter of the suspension support rods.
  • the cable is preferably looped and permanently attached at the anchor bracket and looped and adjustably attached at the rod capture bracket.
  • a wire, rather than a cable may be permanently attached to both the rod capture bracket and the anchor bracket.
  • Figure 1 is a perspective of a seismic cable brace with hook attachment of the prior art
  • Figure 2 is a perspective of a cable brace assembly according to the present invention
  • Figure 3 is an elevation showing the use of the preferred embodiment of Figure 2 in bracing a trapeze rack
  • Figure 4 is a top view of the support system shown in Figure 3.
  • FIG. 5 is a perspective of an alternate embodiment of the invention. DETATLED DESCRIPTION OF THE PREFERRED EMBODIMENTS
  • Figure 2 illustrates a seismic cable brace assembly 29 according to the present invention which utilizes a cable 41 which may be a braided core, galvanized aircraft cable for example, which is fastened to an anchor bracket 31 through an aperture 33 at the first end of the anchor bracket.
  • the second end of the anchor bracket includes an aperture 34.
  • An additional aperture 36 may be located between the two apertures 33 and 34 located at the extremes of the anchor bracket 31.
  • the anchor bracket 31 is preferably bent at an angle of 45° from the plane of the first end.
  • the aperture 34 at the second end of anchor bracket 31 is used to fasten the bracket to a ceiling.
  • Cable 41 passes through aperture 33 at the first end of anchor bracket 31 in a loop, and is contained in the trough of a loop guard 38 which is preferably made of high strength steel in order to prevent chaffing of cable 41 because of movement.
  • the looped over end of cable 41 is inserted into a crimp lock 43 riding on cable 41 which is then crimped, to permanently attaching cable 41 to the first end of anchor bracket 31.
  • the other end of cable 41 is attached to a rod capture bracket 35 which has a right angle slot 39 at its first end with the axis of the slot running along the length of rod capture bracket 35, and the other axis of the slot running perpendicular.
  • the second end of rod capture bracket 35 contains an aperture 37.
  • Cable 41 is looped through aperture 37 within the trough of loop guard 40.
  • the end of cable 41 is passed through a couple of U- clamps 45 which firmly attach the end of the cable to itself. These U-clamps allow the length of cable 41 between the anchor bracket and the rod capture bracket to be adjusted once the two brackets are into place.
  • a wire 49 connects the anchor bracket 31 and the rod capture bracket 35.
  • the wire 49 is preferably an 8 gauge or 12 gauge wire which passes through the respective apertures 33 and 37 of the anchor bracket and rod capture bracket and is wrapped around itself 51 at both ends by what is commonly known as a hospital wrap or eye- wire tie which consists of four tight factory wraps within an inch.
  • a pipe and conduit trapeze rack 55 carries various size pipes 65, 69 and 67 that are held to the trapeze rack by standard pipe clamps 66, 70 and/or a one-piece pipe strap 68.
  • the single or multiple layer channel trapeze rack 55 is supported by a pair of threaded rods 57 and 59 at each end of the rack with nuts 63 and 61 at the bottom ends of the rods, and nuts 58 and 60 at the topside of the rods, thereby rigidly holding the rack to the rods 57 and 59.
  • seismic cable brace assemblies 29 are used on both ends of the trapeze rack 55 as shown in Figures 3 and 4 thereby preventing sway in the plane of the seismic cable brace assemblies. Seismic cable brace assemblies may be used in other planes to prevent sway in those planes as well.
  • the anchor bracket 31 of each brace assembly is fastened to the ceiling 53 of a building by bolts 53.
  • the ceiling also holds the other end of the threaded rods 57 and 59.
  • the rod capture bracket 35 is fastened to its respective rod 57 or 59 by simply loosening the top nuts 58 or 60, slipping the capture bracket around the threaded rod and tightening the nuts 58 and 60.
  • this seismic cable brace assembly attachment of this seismic cable brace assembly to a suspended utility rack is swift and simple, especially when the seismic brace assemblies are being attached as part of a retrofit. Moreover, because the seismic cable brace assembly has a minimal number of parts and is so simple in design, it can be manufactured relatively cheaply compared to the prior art devices, thereby allowing much greater use of this brace assembly for the retrofit dollar.

Landscapes

  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Supports For Pipes And Cables (AREA)

Abstract

L'invention concerne un ensemble anti-sismique câble métallique et support (29), conçu pour supporter des installations suspendues, tels que des conduits de plomberie, des conduits électriques et des luminaires extérieurs, ainsi que des lignes de communication, des systèmes de serpentin plafonnier et des supports trapézoïdaux (55) portant divers appareils pour divers services. Dans l'ensemble à câble métallique et support, on utilise un support de capture de barre (35) à une extrémité et un élément d'ancrage (31) ou un raccord similaire à l'autre extrémité, le câble (41) étant fixé en permanence ou réglable par un ou plusieurs colliers de serrage en U (45) au support de capture de barre. Dans les cas où aucun réglage du câble n'est nécessaire et pour faciliter la tâche, le support de capture de barre et l'élément d'ancrage sont fixés à demeure aux extrémités opposées d'un fil pré-tendu (49).
PCT/US2000/031997 2000-03-15 2000-11-21 Ensemble de fixation de cable anti-sismique WO2001069043A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US52523600A 2000-03-15 2000-03-15
US09/525,236 2000-03-15

Publications (1)

Publication Number Publication Date
WO2001069043A1 true WO2001069043A1 (fr) 2001-09-20

Family

ID=24092455

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/US2000/031997 WO2001069043A1 (fr) 2000-03-15 2000-11-21 Ensemble de fixation de cable anti-sismique

Country Status (1)

Country Link
WO (1) WO2001069043A1 (fr)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2017156470A1 (fr) * 2016-03-10 2017-09-14 Duggan Daniel C Support et système de support pour système d'étaiement d'oscillation de câble sismique
WO2022113032A3 (fr) * 2020-11-30 2022-08-11 Gripple Limited Ensemble de renfort et système de support
WO2022185237A1 (fr) * 2021-03-03 2022-09-09 Vaico Limited Système de maintien et ses composants
JP7493749B2 (ja) 2020-02-12 2024-06-03 エヌパット株式会社 支持構造及びそれに用いられる連結部材

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2695770A (en) * 1948-11-12 1954-11-30 Byron Jackson Co Deadline stabilizer
US3136841A (en) * 1961-08-15 1964-06-09 Ite Circuit Breaker Ltd Combined busway, hanger and hanger adapter
US3508302A (en) * 1968-07-03 1970-04-28 Theodore R Settanni Clip device for adjustment of suspended ceilings,and ceiling incorporating the same
US4065218A (en) * 1976-11-10 1977-12-27 Super Strut, Inc. Seismic brace
US4078752A (en) * 1977-01-21 1978-03-14 Kin-Line, Inc. Conduit support and seismic bracing system
US5188317A (en) * 1991-12-06 1993-02-23 Roth Steven A Seismic connector with retaining clip
US6026545A (en) * 1999-04-06 2000-02-22 Loos & Co., Inc. Universal restraint clip fitting
US6050035A (en) * 1998-09-28 2000-04-18 Tomarco Contractor Specialties, Inc. Unitized seismic bracket

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2695770A (en) * 1948-11-12 1954-11-30 Byron Jackson Co Deadline stabilizer
US3136841A (en) * 1961-08-15 1964-06-09 Ite Circuit Breaker Ltd Combined busway, hanger and hanger adapter
US3508302A (en) * 1968-07-03 1970-04-28 Theodore R Settanni Clip device for adjustment of suspended ceilings,and ceiling incorporating the same
US4065218A (en) * 1976-11-10 1977-12-27 Super Strut, Inc. Seismic brace
US4078752A (en) * 1977-01-21 1978-03-14 Kin-Line, Inc. Conduit support and seismic bracing system
US5188317A (en) * 1991-12-06 1993-02-23 Roth Steven A Seismic connector with retaining clip
US6050035A (en) * 1998-09-28 2000-04-18 Tomarco Contractor Specialties, Inc. Unitized seismic bracket
US6026545A (en) * 1999-04-06 2000-02-22 Loos & Co., Inc. Universal restraint clip fitting

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2017156470A1 (fr) * 2016-03-10 2017-09-14 Duggan Daniel C Support et système de support pour système d'étaiement d'oscillation de câble sismique
JP7493749B2 (ja) 2020-02-12 2024-06-03 エヌパット株式会社 支持構造及びそれに用いられる連結部材
WO2022113032A3 (fr) * 2020-11-30 2022-08-11 Gripple Limited Ensemble de renfort et système de support
GB2605237A (en) * 2020-11-30 2022-09-28 Gripple Ltd Bracing assembly and support system
WO2022185237A1 (fr) * 2021-03-03 2022-09-09 Vaico Limited Système de maintien et ses composants

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