US20080229699A1 - Fittings for metal framing - Google Patents

Fittings for metal framing Download PDF

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Publication number
US20080229699A1
US20080229699A1 US12/051,132 US5113208A US2008229699A1 US 20080229699 A1 US20080229699 A1 US 20080229699A1 US 5113208 A US5113208 A US 5113208A US 2008229699 A1 US2008229699 A1 US 2008229699A1
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US
United States
Prior art keywords
strut
metal framing
fitting
fittings
protrusions
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.)
Abandoned
Application number
US12/051,132
Inventor
Charles O. Nehls
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.)
Unistrut International Corp
Original Assignee
Unistrut International Corp
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 to US89622307P priority Critical
Application filed by Unistrut International Corp filed Critical Unistrut International Corp
Priority to US12/051,132 priority patent/US20080229699A1/en
Assigned to UNISTRUT INTERNATIONAL CORPORATION reassignment UNISTRUT INTERNATIONAL CORPORATION ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). Assignors: NEHLS, CHARLES O
Publication of US20080229699A1 publication Critical patent/US20080229699A1/en
Assigned to UBS AG STAMFORD BRANCH reassignment UBS AG STAMFORD BRANCH ABL NOTICE AND CONFIRMATION OF GRANT OF SECURITY INTEREST IN PATENTS Assignors: UNISTRUT INTERNATIONAL CORPORATION
Assigned to WILMINGTON TRUST FSB reassignment WILMINGTON TRUST FSB NOTE NOTICE AND CONFIRMATION OF GRANT OF SECURITY INTEREST IN PATENTS Assignors: UNISTRUT INTERNATIONAL CORPORATION
Assigned to UNISTRUT INTERNATIONAL CORPORATION reassignment UNISTRUT INTERNATIONAL CORPORATION TERMINATION AND RELEASE OF SECURITY INTEREST IN PATENTS Assignors: WILMINGTON TRUST, NATIONAL ASSOCIATION, SUCCESSOR IN INTEREST TO WILMINGTON TRUST FSB
Assigned to WELLS FARGO BANK, NATIONAL ASSOCIATION reassignment WELLS FARGO BANK, NATIONAL ASSOCIATION SECURITY INTEREST (SEE DOCUMENT FOR DETAILS). Assignors: UBS AG, STAMFORD BRANCH
Abandoned legal-status Critical Current

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    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16BDEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS, WEDGES, JOINTS OR JOINTING
    • F16B7/00Connections of rods or tubes, e.g. of non-circular section, mutually, including resilient connections
    • F16B7/18Connections of rods or tubes, e.g. of non-circular section, mutually, including resilient connections using screw-thread elements
    • F16B7/187Connections of rods or tubes, e.g. of non-circular section, mutually, including resilient connections using screw-thread elements with sliding nuts or other additional connecting members for joining profiles provided with grooves or channels

Abstract

A metal framing fitting has protrusions along its length and an attaching mechanism to secure the protrusion within a channel member of a strut.

Description

    BACKGROUND OF THE INVENTION
  • The present disclosure relates generally to a metal framing fitting for fixing strut framing members together into a unified structure.
  • SUMMARY OF THE INVENTION
  • The present invention includes a metal framing fitting having a metal strip having a linear dimension, one or more protrusions along the linear dimension of the metal strip and an attaching mechanism effective for fixing the at least two protrusions within a channel member of a strut.
  • The present invention also includes a metal framing structure having a first strut member having a channel therein, a second strut member having a channel therein, the second strut member aligned relative to the first strut member, a metal framing fitting having at least two protrusion along the linear dimension and an attaching mechanism fixing the at least two protrusions within the channels of the first and second strut members.
  • BRIEF DESCRIPTION OF THE DRAWINGS
  • FIGS. 1A-1D are illustrations of the flat metal fittings of the present invention shown supporting various strut configurations;
  • FIGS. 2A-2D illustrate protrusions that are formed into the metal framing fittings of the present invention;
  • FIGS. 3A and 3B show the orientation of the metal framing fittings, and the protrusions therein, aligned with strut members; and,
  • FIG. 4 illustrates the insertion of a screw holding member to lock the metal framing fitting against a strut member to secure it thereto.
  • DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENT
  • The present includes a flat metal fitting for connecting units of metal framing together. These flat metal fittings are used to join strut framing components into a combined structure. The fittings generally connect the strut components at 90 degree attitudes or join lengths of strut end-to-end. During the assembly process, maintaining the 90 degree or linear alignment relationships between the strut members requires the assembling tradesmen to employ various hand tools such as squares or other devices.
  • Referring to FIG. 1, four representations of the flat metal framing fittings 10 are shown. As seen in FIG. 1, the metal framing fittings 10 include a metal strip having a longitudinal dimension. Referring to FIG. 1A, a ninety degree (90°) angle of metal framing is held together with a single piece of flat metal framing fitting 10. The flat metal framing conforms to the final configuration of the combined pieces of strut 20. Additionally, as seen in FIG. 1B, two straight pieces of strut 20 are combined together to form a singular structure. The flat metal framing in FIG. 1B forms a linear singular solid piece that extends between the two pieces of strut 20. In FIG. 1C, flat metal framing aligns within the connection of multiple sections of strut 20 forming a cross configuration. As seen in FIG. 1C, the flat metal fitting bridges between one or more horizontal and one or more vertical strut 20 pieces to support a combination of the strut 20 components into a singular structure. FIG. 1D shows the flat metal fitting supporting the combination of two strut 20 members in a T-shape with the strut 20 members unified and locked together in a unitary structure.
  • The flat metal framing fittings 10 designs are used to connect strut 20 framing components to form a singular structural assembly. In addition to the configurations shown in FIGS. 1A-1D, the flat metal framing fittings 10 may include additional configuration and/or lengths of extensions to marry up and secure lengths of strut 20.
  • The metal framing fitting may be used in residential or commercial construction. Representative uses in commercial construction may include ceiling grids. When used to secure ceiling grids, multiple strut 20 members are assembled into a grid system to support HVAC equipment, lighting, power distribution, water distribution, fire protection, etc. The metal framing fittings 10 are used to fix the strut 20 members together in a solid structure that is structurally sufficient to align the strut 20 members into a coherent support structure while imparting sufficient strength into the structure to support objects of significant weight. As such the grids are assembled square and true to properly support and align the equipment and distribution systems. Proper assembly of the struts using the metal framing fittings 10 into an appropriate structure for support of commercial equipment within specific designs of the framed strut 20 members, is determinable by those skilled in the art of strut framing.
  • The ease of construction of the support structure is important. Ceiling heights, particularly within commercial building, create assembly challenges for tradesmen. Working at high elevations requires tradesmen to wear fall-protection devices that limit movement that complicates the grid assembly process. The necessity of verifying true assembly of fittings with separate hand tools adds labor and cost to projects. Special tools such as laser leveling devices may be employed and frequently fitting assemblies are tightened, loosened and adjusted and retightened several times to achieve perfect alignment of the grid. Generally, the most time consuming process associated with the assembly of a ceiling grid is the alignment and leveling of the grid system.
  • The unique design of the metal framing fittings 10 of the present invention resolves the above-identified problems encountered by tradesmen assembling commercial strut 20 support structures. Referring to FIG. 2, during the manufacturing process, a protrusion, such as ⅞″ square protrusion, is formed on one side of the flat metal framing fitting 10, also referred to as a plate fitting, within a given design of the metal framing fittings 10. Additionally, openings or holes 12 may be formed within the metal framing fittings 10. As seen in the multiple examples of FIG. 2, two or more protrusions 14 may be formed into a single piece. For example, the flat linear metal framing fitting 10, shown in FIG. 2A, show a top view and bottom view of both four (4) and two (2) protrusions 14 within individual metal framing fittings 10. The top view shows a circular opening 12 for an attaching mechanism 30, such as a bolt, and the bottom view show the protrusions 14 extending from the longitudinal plane of the metal framing fittings 10 in a square configuration. In FIG. 2B, a metal framing fitting forming a ninety degree (90°) angle is shown with three (3) protrusions 14. Like the protrusions 14 shown in FIG. 2A, the protrusions 14 in FIG. 2B show a top view of circular openings for receiving a bolt, and a bottom view of the metal framing fitting showing the protrusions 14 in a square configuration on the opposite side of the metal framing fitting from the circular top openings. As seen in all of FIG. 2, the openings preferably extend through the metal framing fittings 10 within the protrusions 14. As seen in FIG. 2C, four (4) protrusions 14 are formed within a metal framing fitting forming a T-shape. FIG. 2D shows the flat metal framing fittings 10 having four (4) protrusions 14 within a design of a cross configuration. As further described below, these protrusions 14 engage the continuous slot of the strut 20 member, also shown in FIG. 3, and securely orients the metal framing fitting in proper aligns, e.g., at a ninety degree attitude or in linear alignment with the strut 20 members being joined. This feature ensures that proper relationships are maintained, without the need for special tools and secondary checks of the assembly.
  • Representative dimensions of the protrusion 14 include a ⅞″ square protrusion 14 and other like dimensions appropriate for a given size and shape of a strut 20 member. The material used to form the ⅞″ square protrusion 14 extending from the back of the fitting 10 may be displaced from a circular recess 18 stamped on the face of the fitting 10. The diameter of this circle is sized to accommodate the outside diameter of the socket typically used in the assembly process. This recess acts as a guide to aid the tradesman in aligning the tradesman's tools for the fast assembly of a connection. In an alternative embodiment, a singular protrusion 14 may extend along the length of the metal framing fitting 10.
  • Referring to FIGS. 3A and 3B, the orientation of the metal framing fittings 10, and the protrusions 14 therein, are shown aligned with perpendicular strut 20 members. These metal framing fittings 10 are preferably used with one or the other strut 20 members crossing the top of the other strut 20 member. In the cut away view of FIG. 3B, the protrusions 14 of the metal framing fittings 10 are shown in relation to the channel within the strut 20 member.
  • FIG. 4 illustrates a cross-sectional view of the metal framing fitting inserted into the channel of a strut 20 member. With the metal framing fitting 10 fix across the outside of the channel area, protrusions 14 formed within the metal framing fitting 10 are located within the channel. The insertion of a bolt 30, or other fastening device, through the formed holes 12 is used to lock the metal framing fitting 10 against a strut 20 member to secure it thereto. Indentations 34 are preferably resident within the nut component 32 of the bolt 30 to engage the end portions 16 of the channel member which further secures the bolt 30 in place. When secured in place, the metal framing fitting 10 provide built-in diagonal bracing, provided by the ⅞″ square protrusion 14. As assembly of the metal framing fittings 10 to the strut 20 member is completed, the protrusion 14 within the metal framing fitting securely engages the continuous slot in the face of the channel of the strut 20 member. The screw holding member 30 is used to secure the metal framing fittings 10 against the strut 20 member. As the bolted connection draws the assembly tight, the protrusion 14 provides a strong “key lock” connection, restricting the metal framing fitting from twisting or other lateral movement. An assembly connected with the metal framing fittings 10 of the present invention generally resists diagonal forces without the need for diagonal bracing. As such, the metal framing fittings 10 of the present invention are particularly beneficial for assemblies and supports located in seismic zones, or for assemblies and supports that may experience other sources of dynamic loading. In cases of dynamic loading, a conventional flat plate fitting connected to the strut 20 with a single bolt connection may tend to loosen over time. This loosening is caused by the flat plate twisting on the face of the strut 20. The “key lock” connection provided by the metal framing fittings 10 of the present invention resists these phenomena by not permitting the fitting to twist.
  • Additional uses of the metal framing fittings 10 of the present invention, include for example without limitation, medical support systems, racks and shelving, pipe supports, and other support systems needing structural rigidity. The metal framing fittings 10 provide for a square and true assembly, and resistance to dynamic loads with built in diagonal bracing all without the need for special squaring or alignment tools.
  • While certain embodiments of the disclosure have been described herein, it is not intended that the disclosure be limited thereto, as it is intended that the disclosure be as broad in scope as the art will allow and that the specification be read likewise. Therefore, the above description should not be construed as limiting, but merely as exemplifications of particular embodiments. Those skilled in the art will envision other modifications within the scope and spirit of the claims appended hereto.

Claims (6)

1. A metal framing fitting, comprising:
a metal strip having a linear dimension;
one or more protrusions along the linear dimension of the metal strip; and,
an attaching mechanism effective for fixing the at least two protrusions within a channel member of a strut.
2. The metal framing fitting of claim 1, further comprising holes formed within the metal strip adjacent to the at least two protrusions.
3. The metal framing fitting of claim 1, wherein at least two protrusions are formed within the metal strip.
4. A metal framing structure, comprising:
a first strut member having a channel therein;
a second strut member having a channel therein, the second strut member aligned relative to the first strut member;
a metal framing fitting having at least two protrusion along the linear dimension; and,
an attaching mechanism fixing the at least two protrusions within the channels of the first and second strut members.
5. The metal framing structure of claim 4, wherein the attaching mechanism comprises a bolt.
6. The metal framing structure of claim 5, wherein the bolt comprises a nut having an indentation effective to receive the end portions of the channel of the strut member.
US12/051,132 2007-03-21 2008-03-19 Fittings for metal framing Abandoned US20080229699A1 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
US89622307P true 2007-03-21 2007-03-21
US12/051,132 US20080229699A1 (en) 2007-03-21 2008-03-19 Fittings for metal framing

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US12/051,132 US20080229699A1 (en) 2007-03-21 2008-03-19 Fittings for metal framing
GB0805257A GB2447784B (en) 2007-03-21 2008-03-20 Fittings for metal framing
AU2008201318A AU2008201318A1 (en) 2007-03-21 2008-03-20 Fittings for metal framing

Publications (1)

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US20080229699A1 true US20080229699A1 (en) 2008-09-25

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US12/051,132 Abandoned US20080229699A1 (en) 2007-03-21 2008-03-19 Fittings for metal framing

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US (1) US20080229699A1 (en)
AU (1) AU2008201318A1 (en)
GB (1) GB2447784B (en)

Cited By (19)

* Cited by examiner, † Cited by third party
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US20080110104A1 (en) * 2006-11-09 2008-05-15 Eisenmann Anlagenbau Gmbh & Co. Kg Large-capacity booth for the treatment, in particular the spraying and/or drying, of workpieces
US20090212269A1 (en) * 2007-11-09 2009-08-27 J.R. Clancy, Inc. Configurable winch
US20100294906A1 (en) * 2009-05-22 2010-11-25 Jervis B. Webb Company Universal framing channel mounting bracket
US20100296860A1 (en) * 2009-05-22 2010-11-25 Jervis B. Webb Company Universal Framing Channel Mounting Bracket
CN103334520A (en) * 2013-06-26 2013-10-02 青岛东亚建筑装饰有限公司 Three-dimensional adjustable connecting piece device
US9121433B1 (en) * 2013-04-14 2015-09-01 Hilton Raymond Bacon Joining elements for channelled structural members
US9347213B1 (en) 2014-11-14 2016-05-24 Cooper Technologies Company Fitting for channel framing
WO2016077721A3 (en) * 2014-11-14 2016-08-11 Cooper Technologies Company Fitting for strut channel
US20160245320A1 (en) * 2010-04-26 2016-08-25 Blanking Systems, Inc. Corner Piece For Mechanically Interlocking Frame Members
US9453592B2 (en) 2013-03-14 2016-09-27 Cooper Technologies Company Fitting including clip for channel framing
US9458952B2 (en) 2014-04-30 2016-10-04 Cooper Technologies Company Trapeze hanger system including twist-locking fitting
US9546744B2 (en) 2014-05-02 2017-01-17 Cooper Technologies Company Conduit clamp for strut channel
US9574589B2 (en) 2014-04-30 2017-02-21 Cooper Technologies Company Trapeze hanger system including trapeze hanger fitting
US9649706B2 (en) 2014-04-07 2017-05-16 Taras Ursuliak Multi-surface object end manual filing tool
US9683590B2 (en) 2014-05-02 2017-06-20 Cooper Technologies Company Strut system and strut fitting therefor
DE102016100550A1 (en) 2016-01-14 2017-07-20 Fischerwerke Gmbh & Co. Kg mounting assembly
US9790980B2 (en) 2013-12-23 2017-10-17 Cooper Technologies Company Fastener nut for channel framing
US9982695B2 (en) 2014-11-14 2018-05-29 Cooper Technologies Company Fitting for strut channel
US10100861B2 (en) 2014-11-14 2018-10-16 Cooper Technologies Company Beam clamp for strut channel

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DK201100277A (en) 2011-04-08 2012-10-09 Lasse Ramskov Holding Aps A guardrail

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Cited By (39)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20080110104A1 (en) * 2006-11-09 2008-05-15 Eisenmann Anlagenbau Gmbh & Co. Kg Large-capacity booth for the treatment, in particular the spraying and/or drying, of workpieces
US8156689B2 (en) * 2006-11-09 2012-04-17 Eisenmann Ag Large-capacity booth for the treatment, in particular the spraying and/or drying, of workpieces
US20090212269A1 (en) * 2007-11-09 2009-08-27 J.R. Clancy, Inc. Configurable winch
US8002243B2 (en) * 2007-11-09 2011-08-23 J.R. Clancy, Inc. Configurable winch
US20100294906A1 (en) * 2009-05-22 2010-11-25 Jervis B. Webb Company Universal framing channel mounting bracket
US20100296860A1 (en) * 2009-05-22 2010-11-25 Jervis B. Webb Company Universal Framing Channel Mounting Bracket
US8562241B2 (en) 2009-05-22 2013-10-22 Jervis B. Webb Company Universal framing channel mounting bracket
US9702389B2 (en) * 2010-04-26 2017-07-11 Blanking Systems, Inc. Corner piece for mechanically interlocking frame members
US20160245320A1 (en) * 2010-04-26 2016-08-25 Blanking Systems, Inc. Corner Piece For Mechanically Interlocking Frame Members
US9470339B2 (en) 2013-03-14 2016-10-18 Cooper Technologies Company Fitting for connecting two pieces of channel framing to one another
US9651171B2 (en) 2013-03-14 2017-05-16 Cooper Technologies Company Nut-washer assembly for channel framing
US9587767B2 (en) 2013-03-14 2017-03-07 Cooper Technology Company Fitting for trapeze hanger
US9746105B2 (en) 2013-03-14 2017-08-29 Cooper Technologies Company Conduit clamp for channel framing
US9982837B2 (en) 2013-03-14 2018-05-29 Cooper Technologies Company Fitting including clip for channel framing
US9453592B2 (en) 2013-03-14 2016-09-27 Cooper Technologies Company Fitting including clip for channel framing
US10619791B2 (en) 2013-03-14 2020-04-14 Eaton Intelligent Power Limited Channel framing with additional functional side
US9121433B1 (en) * 2013-04-14 2015-09-01 Hilton Raymond Bacon Joining elements for channelled structural members
US20150267735A1 (en) * 2013-04-14 2015-09-24 Hilton Raymond Bacon Joining elements for channelled structural members
CN103334520B (en) * 2013-06-26 2016-09-14 东亚装饰股份有限公司 A kind of three-dimensional adjustable connecting components device
CN103334520A (en) * 2013-06-26 2013-10-02 青岛东亚建筑装饰有限公司 Three-dimensional adjustable connecting piece device
US9790980B2 (en) 2013-12-23 2017-10-17 Cooper Technologies Company Fastener nut for channel framing
US9649706B2 (en) 2014-04-07 2017-05-16 Taras Ursuliak Multi-surface object end manual filing tool
US9732887B2 (en) 2014-04-30 2017-08-15 Cooper Technologies Company Trapeze hanger system including twist-locking fitting
US10012255B2 (en) 2014-04-30 2018-07-03 Cooper Technologies Company Trapeze hanger system including trapeze hanger fitting
US9574589B2 (en) 2014-04-30 2017-02-21 Cooper Technologies Company Trapeze hanger system including trapeze hanger fitting
US9458952B2 (en) 2014-04-30 2016-10-04 Cooper Technologies Company Trapeze hanger system including twist-locking fitting
US9989169B2 (en) 2014-05-02 2018-06-05 Cooper Technologies Company Conduit clamp for strut channel
US9546744B2 (en) 2014-05-02 2017-01-17 Cooper Technologies Company Conduit clamp for strut channel
US9683590B2 (en) 2014-05-02 2017-06-20 Cooper Technologies Company Strut system and strut fitting therefor
US9580900B2 (en) 2014-11-14 2017-02-28 Cooper Technologies Company Fitting for channel framing
US9926957B2 (en) 2014-11-14 2018-03-27 Cooper Technologies Company Fitting for strut channel
WO2016077721A3 (en) * 2014-11-14 2016-08-11 Cooper Technologies Company Fitting for strut channel
US9982695B2 (en) 2014-11-14 2018-05-29 Cooper Technologies Company Fitting for strut channel
US9347213B1 (en) 2014-11-14 2016-05-24 Cooper Technologies Company Fitting for channel framing
US10161127B2 (en) 2014-11-14 2018-12-25 Cooper Technologies Company Fitting for channel framing
US10100861B2 (en) 2014-11-14 2018-10-16 Cooper Technologies Company Beam clamp for strut channel
CN108474398A (en) * 2016-01-14 2018-08-31 费希尔厂有限责任两合公司 Fixed and arranged structure
DE102016100550A1 (en) 2016-01-14 2017-07-20 Fischerwerke Gmbh & Co. Kg mounting assembly
WO2017121440A1 (en) * 2016-01-14 2017-07-20 Fischerwerke Gmbh & Co. Kg Fastening arrangement

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GB2447784A (en) 2008-09-24
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GB0805257D0 (en) 2008-04-30

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