US20110023401A1 - Strut system - Google Patents
Strut system Download PDFInfo
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- US20110023401A1 US20110023401A1 US12/845,706 US84570610A US2011023401A1 US 20110023401 A1 US20110023401 A1 US 20110023401A1 US 84570610 A US84570610 A US 84570610A US 2011023401 A1 US2011023401 A1 US 2011023401A1
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- United States
- Prior art keywords
- support member
- strut
- support
- longitudinal
- cable
- 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.)
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
- F21S8/00—Lighting devices intended for fixed installation
- F21S8/04—Lighting devices intended for fixed installation intended only for mounting on a ceiling or the like overhead structures
- F21S8/06—Lighting devices intended for fixed installation intended only for mounting on a ceiling or the like overhead structures by suspension
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V11/00—Screens not covered by groups F21V1/00, F21V3/00, F21V7/00 or F21V9/00
- F21V11/02—Screens not covered by groups F21V1/00, F21V3/00, F21V7/00 or F21V9/00 using parallel laminae or strips, e.g. of Venetian-blind type
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V21/00—Supporting, suspending, or attaching arrangements for lighting devices; Hand grips
- F21V21/14—Adjustable mountings
- F21V21/16—Adjustable mountings using wires or cords
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V23/00—Arrangement of electric circuit elements in or on lighting devices
- F21V23/02—Arrangement of electric circuit elements in or on lighting devices the elements being transformers, impedances or power supply units, e.g. a transformer with a rectifier
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO THE FORM OR THE KIND OF THE LIGHT SOURCES OR OF THE COLOUR OF THE LIGHT EMITTED
- F21Y2103/00—Elongate light sources, e.g. fluorescent tubes
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T29/00—Metal working
- Y10T29/49—Method of mechanical manufacture
- Y10T29/49002—Electrical device making
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T29/00—Metal working
- Y10T29/49—Method of mechanical manufacture
- Y10T29/49002—Electrical device making
- Y10T29/49117—Conductor or circuit manufacturing
- Y10T29/49169—Assembling electrical component directly to terminal or elongated conductor
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T29/00—Metal working
- Y10T29/49—Method of mechanical manufacture
- Y10T29/49826—Assembling or joining
- Y10T29/49947—Assembling or joining by applying separate fastener
- Y10T29/49948—Multipart cooperating fastener [e.g., bolt and nut]
Definitions
- the present invention relates generally to mechanical systems, and more particularly to an improved strut design for supporting a structure such as lighting systems and the like.
- luminaires relate to luminaire assemblies (U.S. Pat. No. 7,686,483), others relate to particular types of mounts (U.S. Pat. No. 7,686,470).
- the luminaire described by Bishop U.S. Pat. No. 5,526,244
- Bishop U.S. Pat. No. 5,526,244
- a strut is described by Orlov (U.S. Pat. No. 6,517,222) provides support for a luminaire, but, again, does not provide for modularity and ease of assembly.
- a device for providing structural support comprising a longitudinal slot formed with inwardly projecting longitudinal flanges, and a support member extending outwardly opposite the longitudinal slot.
- Some embodiments may include a support member having a stop or detent formed longitudinally along the edge of the support member.
- Other embodiments may include a plurality of longitudinal protuberances and/or detents.
- holes may be disposed in the support member and the support member may be formed with decorative elements to effectuate a particular design.
- FIG. 1 illustrates an assembled luminaire system
- FIG. 2 illustrates a coupling device for use in a luminaire system
- FIG. 3 illustrates a disassembled luminaire system
- FIG. 4 shows different light rails that may be used with a luminaire system
- FIG. 5 illustrates an end view of certain embodiments of a strut.
- FIG. 6 illustrates embodiments of a strut.
- FIG. 7 illustrates differing views of certain embodiments.
- FIG. 1 illustrates fixture support system.
- a luminaire assembly 100 is depicted suspending from an overhead.
- the suspension assembly 110 includes both a structural cable, together with an electrical power cable 120 . It is connected to a chassis 114 which may provide an enclosure for an electrical ballast (not shown).
- One end of the chassis 114 is attached to a support arm 116 , and the chassis 114 may have an additional support arm 126 .
- the support arm 116 is slidably coupled to the chassis 114 such that the support arm 116 can be adjusted in relationship to the chassis 114 .
- a support arm 126 is slidably coupled to the chassis to allow it to move for better positioning.
- the support arms are cross members in relation to the chassis 114 . Slidable coupling may be effectuated using set screws or other mechanisms to allow for sliding of the arms and then locking them in place once set.
- the chassis 114 , the support arm 116 and other parts of the fixture support system described below may be formed by available processes, including, but not limited to: extrusion, molding or machining.
- the material may be any suitable material providing sufficient strength and other properties, including but not limited to: aluminum, steel, ceramics or plastics.
- the support arms 116 , 126 , are designed to hold in place light rails 118 .
- the light rails as shown in the FIG. 1 include a reflector formed to direct light towards a particular direction and connectors such as sockets and plugs for connecting to a light source.
- the light source may be electrically coupled to a power source through the power cable 120 .
- the light rails 118 are connected to the support arms by hub assemblies 124 .
- the light rails 118 are designed to protect a lighting device and may include clear shields, baffles and other structures effectuating a similar result.
- the hub assembly 124 allows for rotation of the light rails 118 , thus allowing users to configure the direction of the light from the light rails 118 .
- the hub assemblies 124 also provide for coupling electrical power from the support arms to the light rail and its associated lighting device.
- the suspension assembly 110 is coupled to two suspension wires 112 which may be formed from a single wire, joined to the suspension assembly 110 thus having two separate tensions.
- a coupling device 122 provides for coupling the suspension wires 112 to the suspension assembly 110 and for the adjustment of the suspension wires 112 .
- the coupling device 122 secures suspension wires 112 to the suspension assembly 110 using a fastener such as a set screw (not shown).
- the coupling device 122 allows for height adjustment on the suspension assembly 110 , and a lateral adjustment on the suspension wires 112 .
- power to the luminaire is supplied along the suspension assembly 110 and to the power wire 120 into the chassis 114 .
- power can be applied to the light rails 118 in several different ways. Power can be routed through the arms 116 and 126 and associated hubs to reach each end of the light rail 118 . Or power could be routed through one of the arms 116 or 126 to reach a single end of the light rail 118 , having an additional power line run through the light rail to reach the other end of a lighting device located inside the light rail 118 .
- the lighting device may be either incandescent, fluorescent or LED Assembly and the like.
- an assembler would suspend the fixture using the suspension assembly 110 . After the fixture is suspended, adjusting the coupling device 122 and the support arms 116 and 126 , to true the entire fixture. This allows for easy installation because variations in the installation can be easily rectified simply by adjusting the support arms 116 and 126 and the coupling device 122 .
- multiple fixtures such as the one shown in the FIG. 1 may be suspended side-by-side. By adjusting the coupling device 122 and the support arms 116 and 126 , the fixtures can be trued to each other.
- FIG. 2 shows a coupling device 200 for use in a luminaire system.
- the coupler 214 may be manufactured from any solid material capable of handling the stress depending on the application, preferably a metal such as steel or aluminum.
- the coupler 214 has a bore through one axis were a cable 210 is passed through the coupling device 200 .
- a set screw 218 (or similar fastener) is disposed through the coupler 214 to exert pressure on the cable 210 to lock the coupler 214 in place on the cable 210 .
- the coupler 214 must be capable of withstanding threading to allow the set screw 218 to function properly and secure the cable 210 .
- the coupler 214 has a second bore offset from the first bore for accommodating a cable 212 .
- the second cable is secured byte set screw 216 .
- the coupler 214 allows for relative positioning of two cables in close proximity and for easy adjustment and alignment of the two cables 210 and 212 in relation to each other.
- references in the specification to “one embodiment”, “an embodiment”, “an example embodiment”, etc., indicate that the embodiment described may include a particular feature, structure or characteristic, but every embodiment may not necessarily include the particular feature, structure or characteristic. Moreover, such phrases do not necessarily refer to the same embodiment. Further, when a particular feature, structure or characteristic is described in connection with an embodiment, it is submitted that it is within the knowledge of one of ordinary skill in the art to affect such feature, structure or characteristic in connection with other embodiments whether or not explicitly described. Parts of the description are presented using terminology commonly employed by those of ordinary skill in the art to convey the substance of their work to others of ordinary skill in the art.
- FIG. 3A illustrates a partially disassembled luminaire system.
- a luminaire assembly 300 is depicted suspended from an overhead mount.
- the suspension assembly 310 may include both a structural cable and electrical power cable 320 .
- the suspension assembly 310 may also be formed from a solid material such as metal or plastic rod.
- the suspension assembly 310 is connected to a strut 324 which acts as a chassis for connecting to a ballast housing 314 .
- the ballast housing 314 need not contain a ballast.
- One end of the ballast housing is attached to a support arm 316 , and the ballast housing 314 may be connected to an additional support arm 326 .
- the support arm 316 is slidably coupled to the ballast housing 314 through the use a groove positioned on an end of the ballast housing 314 such that the support arm 316 is placed in the groove and can slide to different positions in the groove.
- the support arm 316 can be adjusted in relationship to the ballast housing 314 .
- a support arm 326 is slidably coupled to the ballast housing to allow it to move for better positioning.
- many other support arms can be added in series. Slidable coupling may be effectuated using set screws or other mechanisms to allow for sliding of the arms and then locking them in place once set in position.
- the ballast housing 314 may be alternatively designed to allow for more structural support. By locating a ballast into the support arm 316 or 326 , the ballast housing may need to be manufactured from material having different strength characteristics or shaped differently from that show in the FIG. 3A . Relatively small ballasts are commercially available (B & L Model NU6-1128-MSN/D for example) and support arms may be manufactured to completely house the ballast. A modified strut may be added to the ballast housing 314 , or if the ballast is located in a support arm or if a ballast is not needed, a modified strut may replace the ballast housing 314 .
- FIG. 3B shows a strut 324 that may be used to support ballast.
- This strut is held by the suspension assembly.
- the channel support 350 may be formed from conventionally available “strut channel” often used in construction.
- a support member 352 Added to the channel support 350 is a support member 352 extending along the length of the channel support 350 .
- the support member 352 by increasing the moment of inertia, has the affect of strengthening the channel support 350 and reducing the deflection due to bending, torsional or twisting forces on the channel support 350 .
- This support member may be made of any solid material.
- the strut 324 is formed by extruding aluminum through a form.
- the strut 324 may be formed by bending sheet metal or through machining.
- the strut 324 may also be formed from non-metallic components such as plastics.
- the strut 324 may be form by injection molding of plastics.
- Channel support 350 may be formed to any desired length, and the support member 352 may be welded on or otherwise affixed, or optionally extruded when formed. Also, the support member need not be continuous, but may be formed from several pieces positioned about the channel support 350 to achieve the desired result.
- Strut 324 is affixed to the ballast housing 314 or a ballast by an affixing means such as slide-on connectors, spring-loaded clamps, screws, clamps and any other affixing means that can provide a strong enough connection between the two to provide adequate physical support.
- the suspension assembly(s) are affixed to the strut via attachment points to the support member.
- the strut is attached directly to a surface such as a wall, ceiling or piece of furniture via attachment points to the support member.
- the strut 324 is generally a U-shaped channel 350 having a support member 352 extending vertically from the top.
- a perspective view of this embodiment it shown in FIG. 5B The longitudinal sides 510 are turned inward forming a bottom side 520 . The opening between these upturned sides form a longitudinal slot. The edges of the bottom sides may be turned inward again so as to produce an inturned longitudinal flange 530 .
- the top portion of the support member 352 may be expanded to form a stop ( FIG. 6 ) that runs longitudinally along the length of the support member. This stop may have a rectilinear 610 or curvilinear 620 cross-section.
- One or more protuberances 630 or detents 640 may be located along the sides of support member 352 and run longitudinally along the length of the support member.
- the stops, protuberances and detents can be engaged by clamps or other elements and can be engaged by the suspension assembly.
- Holes 710 may be incorporated in the support member ( FIG. 7 ). These holes 710 can be engaged by clamps or other elements and can be engaged by the suspension assembly. These holes may be of a rectilinear or curvilinear cross-section.
- the structural member 352 may be formed with decorative elements or the protuberances and detents may be formed to effectuate a decorative design.
- the shape of the structural member 352 may be effectuated in various ways to conform to the luminaire system.
- the support arms 316 , 326 , (and others, not shown) are designed to hold in place light rails.
- the suspension assembly 310 is coupled to two smaller suspension wires 312 which may be a single wire.
- the wires 312 are fastened to the support arm 316 , but alternatively, the ends of the wires may be formed as a catch, with the affect of allowing the ends of the wires 312 to be disposed into a “key hole.”
- the key hole formed with a larger portion for accepting the catch and a smaller portion for holding the catch in place.
- a coupler 322 provides for the adjustment of the suspension wires 312 and secures them in place with a set screw (not shown). The coupler 322 allows for height adjustment on the suspension assembly 310 , and a lateral adjustment on the suspension wires 312 .
- Power to the luminaire is supplied along the suspension assembly 310 and to the power wire 320 then into the ballast housing 314 .
- power can be applied to the light rails in several different ways. Power can be routed through the arms 316 and 326 to reach each hub 124 which is at the end of the light rail 118 . Or power could be routed through one of the arms 316 or 326 to reach a single end of a light rail having an additional power line run through the light rail to reach the other end of a lighting device located inside the light rail if necessary.
- an assembler would suspend the luminaire using the suspension assembly 310 . After the luminaire is suspended, adjusting the coupler 322 and the support arm swing 316 and 326 , to true the entire assembly. This allows for easy installation because minor variations in the installation can be easily rectified simply by adjusting the support arms 316 and 326 and the coupler 312 .
- FIG. 4 shows an assortment of light rails 400 that may be used with a luminaire system.
- a baffle 410 provides for a covering over a light source that has the effect of allowing light out of the rail, but reducing glare when viewed from a side angle.
- the baffle 410 may be manufactured from semi-rigid material such that the baffle 410 snaps into the light rail and is thus held securely by compression.
- a baffle may be fastened in place by coupling it to the light rail using conventional fasteners such as screws and bolts.
- the baffle 410 as shown includes structure 414 to secure the baffle to an elongated lamp thus allowing the baffle 410 to hang suspended from the lamp.
- different light rails may be employed by coupling them to a hub 412 , such that the hub provides mechanical support, pivotability and a means to provide the light source with electrical power.
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Arrangement Of Elements, Cooling, Sealing, Or The Like Of Lighting Devices (AREA)
- Non-Portable Lighting Devices Or Systems Thereof (AREA)
Abstract
A device for providing structural support comprising a longitudinal slot formed with inwardly projecting longitudinal flanges, and a support member extending outwardly opposite the longitudinal slot. Some embodiments may include a support member having a stop formed longitudinally along the edge of the support member. Other embodiments may include a plurality of longitudinal protuberances and/or detents. In addition, holes may be disposed in the support member and the support member may be formed with decorative elements to effectuate a particular design.
Description
- This patent application claims the benefit of U.S. Provisional Patent Application No. 61/229,463, entitled “Luminaire System and Method” filed Jul. 29, 2009 by the inventors George Mieling, Thomas Warton and Scott S. Yu, which is incorporated herein by reference.
- The present invention relates generally to mechanical systems, and more particularly to an improved strut design for supporting a structure such as lighting systems and the like.
- Related art describes a wide variety of luminaires. Some of these relate to luminaire assemblies (U.S. Pat. No. 7,686,483), others relate to particular types of mounts (U.S. Pat. No. 7,686,470). The luminaire described by Bishop (U.S. Pat. No. 5,526,244) provides for a strut, but this strut does not provide for the modularity and ease of assembly of the present invention. A strut is described by Orlov (U.S. Pat. No. 6,517,222) provides support for a luminaire, but, again, does not provide for modularity and ease of assembly.
- What is needed is an improved strut that allows for modularity and ease of assembly, while providing additional strength and rigidity to the strut and any supported structure.
- Disclosed herein is a device for providing structural support comprising a longitudinal slot formed with inwardly projecting longitudinal flanges, and a support member extending outwardly opposite the longitudinal slot. Some embodiments may include a support member having a stop or detent formed longitudinally along the edge of the support member. Other embodiments may include a plurality of longitudinal protuberances and/or detents. In addition, holes may be disposed in the support member and the support member may be formed with decorative elements to effectuate a particular design.
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FIG. 1 illustrates an assembled luminaire system. -
FIG. 2 illustrates a coupling device for use in a luminaire system -
FIG. 3 illustrates a disassembled luminaire system. -
FIG. 4 shows different light rails that may be used with a luminaire system -
FIG. 5 illustrates an end view of certain embodiments of a strut. -
FIG. 6 illustrates embodiments of a strut. -
FIG. 7 illustrates differing views of certain embodiments. - Specific examples of components and arrangements are described below to simplify the present disclosure. These are, of course, merely examples and are not intended to be limiting. In addition, the present disclosure may repeat reference numerals and/or letters in the various examples. This repetition is for the purpose of simplicity and clarity and does not in itself dictate a relationship between the various embodiments and/or configurations discussed.
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FIG. 1 illustrates fixture support system. InFIG. 1 , aluminaire assembly 100 is depicted suspending from an overhead. Thesuspension assembly 110 includes both a structural cable, together with anelectrical power cable 120. It is connected to achassis 114 which may provide an enclosure for an electrical ballast (not shown). One end of thechassis 114 is attached to asupport arm 116, and thechassis 114 may have anadditional support arm 126. Thesupport arm 116 is slidably coupled to thechassis 114 such that thesupport arm 116 can be adjusted in relationship to thechassis 114. Likewise asupport arm 126 is slidably coupled to the chassis to allow it to move for better positioning. Depending on the length of thechassis 114 many other support arms can be added in series. The support arms are cross members in relation to thechassis 114. Slidable coupling may be effectuated using set screws or other mechanisms to allow for sliding of the arms and then locking them in place once set. - The
chassis 114, thesupport arm 116 and other parts of the fixture support system described below may be formed by available processes, including, but not limited to: extrusion, molding or machining. The material may be any suitable material providing sufficient strength and other properties, including but not limited to: aluminum, steel, ceramics or plastics. - The
support arms place light rails 118. The light rails as shown in theFIG. 1 include a reflector formed to direct light towards a particular direction and connectors such as sockets and plugs for connecting to a light source. The light source may be electrically coupled to a power source through thepower cable 120. Thelight rails 118 are connected to the support arms byhub assemblies 124. Thelight rails 118 are designed to protect a lighting device and may include clear shields, baffles and other structures effectuating a similar result. Thehub assembly 124 allows for rotation of thelight rails 118, thus allowing users to configure the direction of the light from thelight rails 118. Thehub assemblies 124 also provide for coupling electrical power from the support arms to the light rail and its associated lighting device. - The
suspension assembly 110 is coupled to twosuspension wires 112 which may be formed from a single wire, joined to thesuspension assembly 110 thus having two separate tensions. Acoupling device 122 provides for coupling thesuspension wires 112 to thesuspension assembly 110 and for the adjustment of thesuspension wires 112. Thecoupling device 122 securessuspension wires 112 to thesuspension assembly 110 using a fastener such as a set screw (not shown). Thecoupling device 122 allows for height adjustment on thesuspension assembly 110, and a lateral adjustment on thesuspension wires 112. - In the
FIG. 1 power to the luminaire is supplied along thesuspension assembly 110 and to thepower wire 120 into thechassis 114. From thechassis 114 power can be applied to thelight rails 118 in several different ways. Power can be routed through thearms light rail 118. Or power could be routed through one of thearms light rail 118, having an additional power line run through the light rail to reach the other end of a lighting device located inside thelight rail 118. The lighting device may be either incandescent, fluorescent or LED Assembly and the like. - In operation an assembler would suspend the fixture using the
suspension assembly 110. After the fixture is suspended, adjusting thecoupling device 122 and thesupport arms support arms coupling device 122. In addition, multiple fixtures such as the one shown in theFIG. 1 may be suspended side-by-side. By adjusting thecoupling device 122 and thesupport arms -
FIG. 2 shows acoupling device 200 for use in a luminaire system. Thecoupler 214 may be manufactured from any solid material capable of handling the stress depending on the application, preferably a metal such as steel or aluminum. Thecoupler 214 has a bore through one axis were acable 210 is passed through thecoupling device 200. A set screw 218 (or similar fastener) is disposed through thecoupler 214 to exert pressure on thecable 210 to lock thecoupler 214 in place on thecable 210. Thecoupler 214 must be capable of withstanding threading to allow theset screw 218 to function properly and secure thecable 210. - The
coupler 214 has a second bore offset from the first bore for accommodating acable 212. The second cable is secured byte setscrew 216. In operation, thecoupler 214 allows for relative positioning of two cables in close proximity and for easy adjustment and alignment of the twocables - References in the specification to “one embodiment”, “an embodiment”, “an example embodiment”, etc., indicate that the embodiment described may include a particular feature, structure or characteristic, but every embodiment may not necessarily include the particular feature, structure or characteristic. Moreover, such phrases do not necessarily refer to the same embodiment. Further, when a particular feature, structure or characteristic is described in connection with an embodiment, it is submitted that it is within the knowledge of one of ordinary skill in the art to affect such feature, structure or characteristic in connection with other embodiments whether or not explicitly described. Parts of the description are presented using terminology commonly employed by those of ordinary skill in the art to convey the substance of their work to others of ordinary skill in the art.
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FIG. 3A illustrates a partially disassembled luminaire system. In theFIG. 3A aluminaire assembly 300 is depicted suspended from an overhead mount. Thesuspension assembly 310 may include both a structural cable andelectrical power cable 320. Thesuspension assembly 310 may also be formed from a solid material such as metal or plastic rod. Thesuspension assembly 310 is connected to astrut 324 which acts as a chassis for connecting to aballast housing 314. Theballast housing 314 need not contain a ballast. One end of the ballast housing is attached to asupport arm 316, and theballast housing 314 may be connected to anadditional support arm 326. Thesupport arm 316 is slidably coupled to theballast housing 314 through the use a groove positioned on an end of theballast housing 314 such that thesupport arm 316 is placed in the groove and can slide to different positions in the groove. Thesupport arm 316 can be adjusted in relationship to theballast housing 314. Likewise asupport arm 326 is slidably coupled to the ballast housing to allow it to move for better positioning. Depending on the length of theballast housing 314 many other support arms can be added in series. Slidable coupling may be effectuated using set screws or other mechanisms to allow for sliding of the arms and then locking them in place once set in position. - One having skill in the art will appreciate that the
ballast housing 314 may be alternatively designed to allow for more structural support. By locating a ballast into thesupport arm FIG. 3A . Relatively small ballasts are commercially available (B & L Model NU6-1128-MSN/D for example) and support arms may be manufactured to completely house the ballast. A modified strut may be added to theballast housing 314, or if the ballast is located in a support arm or if a ballast is not needed, a modified strut may replace theballast housing 314. -
FIG. 3B shows astrut 324 that may be used to support ballast. This strut is held by the suspension assembly. Thechannel support 350 may be formed from conventionally available “strut channel” often used in construction. Added to thechannel support 350 is asupport member 352 extending along the length of thechannel support 350. Thesupport member 352, by increasing the moment of inertia, has the affect of strengthening thechannel support 350 and reducing the deflection due to bending, torsional or twisting forces on thechannel support 350. This support member may be made of any solid material. In some embodiments thestrut 324 is formed by extruding aluminum through a form. In addition, thestrut 324 may be formed by bending sheet metal or through machining. Thestrut 324 may also be formed from non-metallic components such as plastics. For example, thestrut 324 may be form by injection molding of plastics. -
Channel support 350 may be formed to any desired length, and thesupport member 352 may be welded on or otherwise affixed, or optionally extruded when formed. Also, the support member need not be continuous, but may be formed from several pieces positioned about thechannel support 350 to achieve the desired result.Strut 324 is affixed to theballast housing 314 or a ballast by an affixing means such as slide-on connectors, spring-loaded clamps, screws, clamps and any other affixing means that can provide a strong enough connection between the two to provide adequate physical support. The suspension assembly(s) are affixed to the strut via attachment points to the support member. In an alternative embodiment, the strut is attached directly to a surface such as a wall, ceiling or piece of furniture via attachment points to the support member. - Referring to
FIG. 5A , thestrut 324 is generally aU-shaped channel 350 having asupport member 352 extending vertically from the top. A perspective view of this embodiment it shown inFIG. 5B . Thelongitudinal sides 510 are turned inward forming abottom side 520. The opening between these upturned sides form a longitudinal slot. The edges of the bottom sides may be turned inward again so as to produce an inturnedlongitudinal flange 530. The top portion of thesupport member 352 may be expanded to form a stop (FIG. 6 ) that runs longitudinally along the length of the support member. This stop may have a rectilinear 610 or curvilinear 620 cross-section. One ormore protuberances 630 ordetents 640 may be located along the sides ofsupport member 352 and run longitudinally along the length of the support member. The stops, protuberances and detents can be engaged by clamps or other elements and can be engaged by the suspension assembly.Holes 710 may be incorporated in the support member (FIG. 7 ). Theseholes 710 can be engaged by clamps or other elements and can be engaged by the suspension assembly. These holes may be of a rectilinear or curvilinear cross-section. - In addition the
structural member 352 may be formed with decorative elements or the protuberances and detents may be formed to effectuate a decorative design. In a luminaire system, the shape of thestructural member 352 may be effectuated in various ways to conform to the luminaire system. - The
support arms suspension assembly 310 is coupled to twosmaller suspension wires 312 which may be a single wire. Thewires 312 are fastened to thesupport arm 316, but alternatively, the ends of the wires may be formed as a catch, with the affect of allowing the ends of thewires 312 to be disposed into a “key hole.” The key hole formed with a larger portion for accepting the catch and a smaller portion for holding the catch in place. Acoupler 322 provides for the adjustment of thesuspension wires 312 and secures them in place with a set screw (not shown). Thecoupler 322 allows for height adjustment on thesuspension assembly 310, and a lateral adjustment on thesuspension wires 312. - Power to the luminaire is supplied along the
suspension assembly 310 and to thepower wire 320 then into theballast housing 314. From theballast housing 314 power can be applied to the light rails in several different ways. Power can be routed through thearms hub 124 which is at the end of thelight rail 118. Or power could be routed through one of thearms - In operation, an assembler would suspend the luminaire using the
suspension assembly 310. After the luminaire is suspended, adjusting thecoupler 322 and thesupport arm swing support arms coupler 312. -
FIG. 4 shows an assortment oflight rails 400 that may be used with a luminaire system. In theFIG. 4 abaffle 410 provides for a covering over a light source that has the effect of allowing light out of the rail, but reducing glare when viewed from a side angle. Thebaffle 410 may be manufactured from semi-rigid material such that thebaffle 410 snaps into the light rail and is thus held securely by compression. Alternatively, a baffle may be fastened in place by coupling it to the light rail using conventional fasteners such as screws and bolts. Thebaffle 410 as shown includes structure 414 to secure the baffle to an elongated lamp thus allowing thebaffle 410 to hang suspended from the lamp. - In a luminaire system different light rails may be employed by coupling them to a
hub 412, such that the hub provides mechanical support, pivotability and a means to provide the light source with electrical power. - The above illustration provides many different embodiments or embodiments for implementing different features of the invention. Specific embodiments of components and processes are described to help clarify the invention. These are, of course, merely embodiments and are not intended to limit the invention from that described in the claims.
- Although the invention is illustrated and described herein as embodied in one or more specific examples, it is nevertheless not intended to be limited to the details shown, since various modifications and structural changes may be made therein without departing from the spirit of the invention and within the scope and range of equivalents of the claims. Accordingly, it is appropriate that the appended claims be construed broadly and in a manner consistent with the scope of the invention, as set forth in the following claims.
Claims (11)
1. A device comprising:
a longitudinal slot;
inwardly projecting longitudinal flanges,
and a support member extending outwardly opposite the longitudinal slot.
2. The strut of claim 1 wherein the support member further includes a stop, said stop formed longitudinally along the edge of the support member.
3. The strut of claim 1 wherein the support member further includes a plurality of longitudinal protuberances and/or detents.
4. The strut of claim 2 wherein the support member has a plurality of said longitudinal protuberances and/or detents.
5. The strut of claim 1 wherein the support member has a plurality of holes passing through the support member
6. A device comprising:
an elongated member having a first surface, a first and a second side, said first and second side having an inward turn to created a slot opposite the first surface, and
a support member disposed orthogonally to the first surface projecting substantially perpendicular to the plane of the flange and substantially perpendicular to the plane of the longitudinal axis, said support member substantially the length of the elongated member.
7. The device of claim 6 wherein the support member has a through hole.
8. The device of claim 6 wherein the support member has a detent or a protuberance.
9. A method comprising:
suspending a cable;
attaching a fastener to a first end of a cable;
coupling the fastener to a strut, said strut having a channel and a support member.
10. The method of claim 9 further including:
connecting a housing to the strut.
11. The method of claim 9 further including:
connecting a support arm to the strut.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US12/845,706 US20110023401A1 (en) | 2009-07-29 | 2010-07-28 | Strut system |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US22946309P | 2009-07-29 | 2009-07-29 | |
US12/845,706 US20110023401A1 (en) | 2009-07-29 | 2010-07-28 | Strut system |
Publications (1)
Publication Number | Publication Date |
---|---|
US20110023401A1 true US20110023401A1 (en) | 2011-02-03 |
Family
ID=43525669
Family Applications (6)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US12/838,266 Abandoned US20110024593A1 (en) | 2009-07-29 | 2010-07-16 | Fixture support system and method |
US12/838,338 Active 2032-08-08 US8814400B2 (en) | 2009-07-29 | 2010-07-16 | Fixture support system and method |
US12/845,706 Abandoned US20110023401A1 (en) | 2009-07-29 | 2010-07-28 | Strut system |
US29/376,906 Active USD657905S1 (en) | 2009-07-29 | 2010-10-13 | Round arm luminaire |
US29/377,733 Active USD659900S1 (en) | 2009-07-29 | 2010-10-25 | Arm anchor |
US29/414,549 Active USD669629S1 (en) | 2009-07-29 | 2012-02-29 | Dual round arm luminaire |
Family Applications Before (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US12/838,266 Abandoned US20110024593A1 (en) | 2009-07-29 | 2010-07-16 | Fixture support system and method |
US12/838,338 Active 2032-08-08 US8814400B2 (en) | 2009-07-29 | 2010-07-16 | Fixture support system and method |
Family Applications After (3)
Application Number | Title | Priority Date | Filing Date |
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US29/376,906 Active USD657905S1 (en) | 2009-07-29 | 2010-10-13 | Round arm luminaire |
US29/377,733 Active USD659900S1 (en) | 2009-07-29 | 2010-10-25 | Arm anchor |
US29/414,549 Active USD669629S1 (en) | 2009-07-29 | 2012-02-29 | Dual round arm luminaire |
Country Status (1)
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---|---|
US (6) | US20110024593A1 (en) |
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US20140339390A1 (en) * | 2011-10-18 | 2014-11-20 | Orion Energy Systems, Inc. | System and method for supporting and leveling a light fixture |
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Also Published As
Publication number | Publication date |
---|---|
USD657905S1 (en) | 2012-04-17 |
US20110024593A1 (en) | 2011-02-03 |
US8814400B2 (en) | 2014-08-26 |
USD669629S1 (en) | 2012-10-23 |
USD659900S1 (en) | 2012-05-15 |
US20110176318A1 (en) | 2011-07-21 |
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Legal Events
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STCB | Information on status: application discontinuation |
Free format text: ABANDONED -- FAILURE TO RESPOND TO AN OFFICE ACTION |