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EP2886947B1 - Dispositif de montage pour appareil électrique sur une poutre de plafond - Google Patents

Dispositif de montage pour appareil électrique sur une poutre de plafond Download PDF

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Publication number
EP2886947B1
EP2886947B1 EP13198934.5A EP13198934A EP2886947B1 EP 2886947 B1 EP2886947 B1 EP 2886947B1 EP 13198934 A EP13198934 A EP 13198934A EP 2886947 B1 EP2886947 B1 EP 2886947B1
Authority
EP
European Patent Office
Prior art keywords
mounting device
suspended beam
electrical
ceiling suspended
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.)
Not-in-force
Application number
EP13198934.5A
Other languages
German (de)
English (en)
Other versions
EP2886947A1 (fr
Inventor
Karl Johnsinius
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.)
Tego System Holding AB
Original Assignee
Tego System Holding AB
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 Tego System Holding AB filed Critical Tego System Holding AB
Priority to EP13198934.5A priority Critical patent/EP2886947B1/fr
Publication of EP2886947A1 publication Critical patent/EP2886947A1/fr
Application granted granted Critical
Publication of EP2886947B1 publication Critical patent/EP2886947B1/fr
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • 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
    • 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
    • F21V21/02—Wall, ceiling, or floor bases; Fixing pendants or arms to the bases
    • F21V21/03—Ceiling bases, e.g. ceiling roses
    • 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
    • F21V23/06—Arrangement of electric circuit elements in or on lighting devices the elements being coupling devices, e.g. connectors

Definitions

  • the present invention relates to mounting devices for mounting electrical devices to a ceiling.
  • An inner ceiling system for commercial and industrial applications typically consists of a plurality of ceiling suspended beams positioned at a distance from the actual ceiling, placed under elements of air-conditioning, plumbing and electrical installations.
  • the inner ceiling system many times also serve as suspension system for electrical device, such as lighting devices and loud speakers, in which case the ceiling suspended beams serve as channels hiding the electrical cables.
  • cables needs to travel from the secure placing in the channel to the electrical devices suspended under the ceiling suspended beams. These electrical cables create cable loops in which other objects may be trapped.
  • US2712590 discloses an electrical heater particularly for heating water.
  • the electrical heater comprises tube formed to a hook, such that the electrical heater can be hung over the edge of a e.g. a tub.
  • a mounting device for mounting an electrical device to a ceiling suspended beam comprises an internal portion adapted to be positioned on a first side of a sheet portion of the ceiling suspended beam and an external portion adapted to be positioned on a second side of the sheet portion of the ceiling suspended beam.
  • the external portion comprises a fixating structure for fixating the electrical device.
  • the mounting device further comprises a load bearing portion, adapted to be placed external to the ceiling suspended beam, connecting the internal portion to the external portion.
  • the load bearing portion comprises an engaging surface adapted to engage an upwards facing edge surface of the sheet portion of the ceiling suspended beam and transfer at least some of the weight of the electrical device to the ceiling suspended beam.
  • the load bearing portion of the mounting device is hollow and comprises an integrated electrical conduit extending within said hollow load bearing portion from the internal portion to the external portion.
  • the load bearing portion comprising an electrical conduit
  • electrical power can be transferred from the internal portion to the external portion while the electrical conduit remains concealed and protected by the mounting device.
  • the mounting device is adapted to be mounted to a ceiling suspended beam being a channel, which may be a channel with a U-shaped cross-section, adapted to contain electrical cables, such that the cables remain protected and concealed in the channel while supplying electrical power to electrical devices mounted by means of the mounting device.
  • the mounting device is adapted to be mounted to a sheet portion having the first side being located on the inside of the channel, and the second side being located on the outside of the channel.
  • the integrated electrical conduit is connected to an electrical connect integrated in the internal portion, such that the integrated electrical conduit can be connected to a power source.
  • the electrical connect may be a standard electrical connect
  • the electrical device can be replaced together with the mounting device without removing the electrical cable from the channel, which enables faster exchange of electrical devices.
  • the electrical device is an electrical lighting device.
  • the internal portion comprises a protrusion adapted to engage a protruding portion of the sheet portion, on the first side thereof, such that the mounting device is locked to the ceiling suspended beam at least in an upwards direction, which enables the mounting device to be moved along the ceiling suspended beam, while remaining locked to the ceiling suspended beam.
  • the external portion of the mounting device comprises a planar surface adapted to engage a planar surface on the second side of the sheet portion of the ceiling suspended beam, such that the mounting device is stabilized by the planar surface of the ceiling suspended beam.
  • the engaging surface of the load bearing portion is adapted to engage the upwards facing surface of the sheet portion along a longitudinal extension of the ceiling suspended beam, such that the mounting device can be suspended by the upwards facing surface of the ceiling suspended beam while being movable along the longitudinal extension of the beam.
  • At least a portion of the internal portion, the external portion and the load bearing portion are portions of the same piece of material.
  • a mounting device for mounting an electrical device to a ceiling suspended beam is provided.
  • a ceiling suspended beam is to be understood as any form of ceiling suspended element forming part of an inner ceiling or functioning as a structure for mounting objects.
  • a ceiling suspended beam could for example be a beam having a U-shaped cross section and thus forming a channel in which for example electrical cables may be placed such that they are hidden from viewers watching the inner ceiling from underneath.
  • An electrical device capable of being mounted using the mounting device is to be understood as any electrical device relevant to mount in a ceiling suspended beam.
  • Electrical device includes, but are not limited to, lighting devices (such as for example spot lights), loud speakers, fans, air conditioning equipment, surveillance cameras, infrared detectors and smoke and/or heat detectors.
  • the ceiling suspended beam typically consists of sheet material, such as metal (typically steel or aluminum), a polymer material or wood, which has been joined, bent, corrugated or extruded to form a beam.
  • the mounting device comprises an internal portion adapted to be positioned on a first side of a sheet portion of the ceiling suspended beam, and an external portion adapted to be positioned on a second side of the sheet portion of the ceiling suspended beam.
  • the first side of the sheet portion is the side facing the inside of the channel, whereas the second side of the sheet portion is the side on the outside of the channel.
  • the external portion of the mounting device comprises a fixating structure for fixating the electrical device, which for example could be a hook, a protrusion, a recess or cavity, or a portion comprising inner or outer threads.
  • the external portion further comprises a load bearing portion, adapted to be placed external to the ceiling suspended beam, connecting the internal portion to the external portion.
  • the load bearing portion in turn comprises an engaging surface adapted to engage an upwards facing surface of the sheet portion of the ceiling suspended beam, and the load bearing surface is thus adapted to transfer at least some of the weight of the electrical device to the ceiling suspended beam, such that the electrical device is at least partly suspended by the ceiling suspended beam.
  • the load bearing portion is hollow and comprises an integrated electrical conduit extending within said hollow load bearing portion from the internal portion to the external portion.
  • the electrical conduit can be adapted to transfer electrical energy and/or electrical signals containing information from the internal portion to the external portion. As the electrical conduit is placed within the load bearing portion, the electrical conduit is protected and concealed from the environment and already securely in place when the mounting device is mounted onto the ceiling suspended beam.
  • the electrical device may be at least partly suspended by the ceiling suspended beam, which could mean that the electrical device additionally is supported by for example additional hooks or fixating screws.
  • Fig. 1 shows a schematic side view of a mounting device 10' for mounting an electrical device 15 to a ceiling suspended beam 20', according to one embodiment.
  • the mounting 10' device comprises an internal portion 11 adapted to be positioned on a first side F of a sheet portion 13 of the ceiling suspended beam 20'and an external portion 12 adapted to be positioned on a second side S of the sheet portion 13 of the ceiling suspended beam 20'.
  • the external portion 12 comprises a fixating structure 14 for fixating the electrical device 15.
  • the mounting device 10' further comprises a load bearing portion 16 placed external to the ceiling suspended beam connecting the internal portion 11 to the external portion 12.
  • the load bearing portion 16 comprises an engaging surface 17 adapted to engage an upwards facing edge surface 18 of the sheet portion 13 of the ceiling suspended beam 20' and transfer at least some of the weight of the electrical device 15 to the ceiling suspended beam 20'.
  • the load bearing portion 16 is hollow and comprises an integrated electrical conduit 19 extending within said hollow load bearing portion 16 from the internal portion 11 to the external portion 12.
  • the ceiling suspended beam 20' is a channel 20' having a U-shaped cross section and being adapted to contain electrical cables, and the first side F of the sheet portion 13 is located on the inside of the channel 20', and the second side S of the sheet portion 13 is located on the outside of the channel 20'.
  • the electrical device is an electrical lighting device.
  • the electrical device is another type of electrical device, such as for example a loud speaker, a fan, air conditioning equipment, a surveillance camera, an infrared detector or a smoke or heat detector.
  • the external portion 12 of the mounting device 10' comprises a planar surface P1 adapted to engage a planar surface P2 on the second side S of the sheet portion 13 of the ceiling suspended beam 20'.
  • the planar surfaces P1, P2 engages each other when the mounting device is at rest in its mounting position, such that the electrical device 15 is stabilized by the connection of the planar surfaces and suspended in the ceiling suspended beam 20'.
  • Fig. 2 schematically shows an example of the mounting device 10" when mounted to a ceiling suspended beam 20", similar to the embodiment described with reference to fig. 1 .
  • the ceiling suspended beam of fig. 2 has a V-shaped cross section and is made from a sheet material with only one bend.
  • the external portion 12 of the mounting device 10" is not in contact with the sheet portion 13 of the ceiling suspended beam 20", and is thus entirely suspended and stabilized by the internal portion 11, which is in contact with the inner surface of the sheet portion 13, and the load bearing portion 16, which is in contact with an upwards facing surface 18 of the sheet portion 13.
  • Fig. 3 schematically shows an embodiment of the mounting device 10''' similar to the embodiment shown with reference to fig. 1 , with the difference that the internal portion 11 of the mounting device 10''' of fig. 3 comprises a protrusion 31 adapted to engage a protruding portion 32 of the sheet portion 13, on the first side thereof F, such that the mounting device 10'" is locked to the ceiling suspended beam 20''' in the upwards direction and the mounting device 10''' thus needs to be tilted counter clockwise and moved towards the inside of the channel 20''', such that the protrusion 31 can pass the protruding portion 32 of the sheet portion 13, such that the mounting device 10''' can be removed from the ceiling suspended beam 20'''.
  • the internal portion 11 of the mounting device 10''' of fig. 3 comprises a protrusion 31 adapted to engage a protruding portion 32 of the sheet portion 13, on the first side thereof F, such that the mounting device 10'" is locked to the ceiling suspended beam 20'''' in the upward
  • Fig. 4 schematically shows an embodiment of the mounting device 10'''' similar to the embodiment shown in fig. 1 , the difference being that the ceiling suspended beam 20''''' has an L-shaped cross-section and thus do not form a channel.
  • the embodiment of fig. 4 shows that the shape of the ceiling suspended beam 20'''' is not crucial to the design of the mounting device 10'''' and can be altered without creating a need to alter or adapt the design of the mounting device 10''''.
  • Fig. 5 shows a side view of a mounting device 10 for mounting an electrical device to a ceiling suspended beam, according to one embodiment.
  • the mounting device 10 comprises an internal portion 11 adapted to be positioned on a first side of a sheet portion of the ceiling suspended beam (as shown in fig. 6 ) and an external portion 12 adapted to be positioned on a second side of the sheet portion.
  • the external portion 12 comprises a fixating structure 14 for fixating the electrical device (such as shown in figs 1 - 4 ).
  • the fixating structure comprises a protruding pipe portion comprising an outer thread 53 adapted to receive an electrical device comprising a sleeve having an inner thread corresponding to the outer thread 53 of the fixating structure 14.
  • the mounting device 10 further comprises a load bearing portion 16 connecting the internal portion 11 to the external portion 12.
  • the load bearing portion 16 comprises an engaging surface 17 adapted to engage an upwards facing surface (shown as 18 in fig. 6 ) of the sheet portion of the ceiling suspended beam (as shown in fig. 6 ) and transfer at least some of the weight of the electrical device to the ceiling suspended beam.
  • the internal portion 11 of the embodiment of fig. 5 further comprises an electrical connect 51, shown in the embodiment of fig. 5 as a standardized electrical plug.
  • the load bearing portion 16 is hollow and comprises an integrated electrical conduit 19 extending within said hollow load bearing portion 16 from the electrical connect 51 of the internal portion 11 to the fixating structure 14 of the external portion 12, such that the electrical device can be powered via the integrated electrical conduit 19 concealed and protected by the mounting device 10.
  • the electrical connect 51 of the internal portion 11 may be a standard electrical connect 51, the electrical device can be replaced together with the mounting device 10, without removing the electrical cable from the channel, which enables faster exchange of electrical devices.
  • the internal portion 11 comprises a substantially rectangular portion comprising the electrical connect 51.
  • the rectangular portion transfers into a slanted portion extending towards the load bearing portion 16 which in turn travels over the sheet portion of the ceiling suspended beam (as shown in fig. 6 ) and turns downwards transferring into the external portion 12 comprising a planar surface P1 extending vertically, aligned with a planar surface of a ceiling suspended beam (again, as shown in fig. 6 ), and a slanted planar surface P3 forming the external surface of the external portion 12.
  • the slanted planar surface P3 extends until the slanted planar surface P3 reaches the lowermost portion of the external portion 12 which is substantially rectangular and comprises the threaded 53 fixating structure 14.
  • the load bearing portion 16 being placed external to the ceiling suspended beam is to be understood as the load bearing portion 16 not travelling through a hole of the ceiling suspended beam, which means that the mounting device 10 can be removed from the ceiling suspended beam while remaining intact.
  • the mounting device 10 of the embodiment shown in fig. 5 further comprises a protrusion 31 adapted to engage a protruding portion of the sheet portion of the ceiling suspended beam (shown as 32 in fig. 6 ), such that the mounting device 10 is locked to the ceiling suspended beam in the upwards (vertical) direction and the mounting device 10 thus needs to be tilted counter clockwise and moved to the left, such that the protrusion 31 clears the protruding portion of the sheet portion, such that the mounting device 10 can be removed from the ceiling suspended beam.
  • a protrusion 31 adapted to engage a protruding portion of the sheet portion of the ceiling suspended beam (shown as 32 in fig. 6 ), such that the mounting device 10 is locked to the ceiling suspended beam in the upwards (vertical) direction and the mounting device 10 thus needs to be tilted counter clockwise and moved to the left, such that the protrusion 31 clears the protruding portion of the sheet portion, such that the mounting device 10 can be removed from the ceiling suspended beam.
  • Fig. 6 shows the mounting device 10 according to the embodiment described with reference to fig. 5 , when mounted to a ceiling suspended beam 20.
  • the engaging surface (shown as 17 in fig. 5 ) of the load bearing portion 16 is adapted to engage the upwards facing edge surface 18 of the sheet portion 13 along a longitudinal extension L of the ceiling suspended beam 20.
  • the mounting device further comprises a protrusion (in fig. 6 concealed by the sheet portion 13) adapted to engage a protruding portion 32 of the sheet portion 13 of the ceiling suspended beam 20, which is a bent portion of the upper most portion of the sheet portion 13 which is somewhat slanted towards the inside and bottom of the channel, at a proximal angle to the sheet portion of 45°.
  • a protrusion in fig. 6 concealed by the sheet portion 13
  • the mounting device 10 is locked to the ceiling suspended beam 20 in the upwards (vertical) direction and the mounting device 10 thus needs to be tilted counter clockwise and moved to the left in fig.
  • the mounting device 10 When being mounted, and thus vertically locked, the mounting device 10 may still be moved horizontally in the longitudinal extension L of the ceiling suspended beam 20, and the position of electrical devices mounted to the ceiling suspended beam 20 can thus be adjusted without the removal of the mounting device 10 from the ceiling suspended beam 20.
  • the internal portion, load bearing portion and external portion are made from the same piece of homogenous material, which for example could be a polymer or metal material casted to form the mounting device.
  • the mounting device is made from two casted portions 54a, 54b which are joined by means of screws.
  • the hollow inside, in which the electrical conduit extends can thus be accessed by separating the two casted portions 54a, 54b.
  • the mounting device 10 is made as a single piece from the same material and that access to the hollow inside of the mounting device is made possible by means of an access opening or small hatch in the mounting device 10.
  • the electrical connect 51 positioned on the inside of the channel formed by the beam 20 may be connected to electrical cables adapted to be placed in the channel and connected to a power source, such as grid connection and/or a transformer or a battery.
  • the mounting device 10 thus keeps cables securely placed inside of the channel and securely transfers electrical power from inside of the channel to an electrical device fixated to the mounting device 10.

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Installation Of Indoor Wiring (AREA)

Claims (8)

  1. Dispositif de support (10) destiné à supporter un dispositif électrique (15) sur une poutre suspendue de plafond (20) qui est un canal présentant une section transversale essentiellement en forme de U et comportant une partie formant plaque (13) le long d'une étendue longitudinale de la poutre suspendue de plafond, le premier côté (F) de la partie formant plaque étant le côté orienté vers l'intérieur du canal et le second côté (S) de la partie formant plaque étant le côté situé à l'extérieur du canal, le dispositif de support comprenant :
    - une partie intérieure (11) conçue pour être positionnée au moins partiellement à l'intérieur du canal sur le premier côté (F) de la partie formant plaque (13) de la poutre suspendue de plafond (20),
    - une partie extérieure (12) conçue pour être positionnée à l'extérieur du canal sur le second côté (S) de la partie formant plaque (13) de la poutre suspendue de plafond (20), la partie extérieure (12) comprenant une structure de fixation (14) servant à fixer le dispositif électrique (15), et
    - une partie porteuse de charge (16) conçue pour être placée extérieurement à la poutre suspendue de plafond (20), raccordant la partie intérieure (11) avec la partie extérieure (12), la partie porteuse de charge (16) comprenant une surface de contact (17) conçue pour venir en contact avec une surface de bord orientée vers le haut (18) de la partie formant plaque (13) de la poutre suspendue de plafond (20) et transférer au moins une partie du poids du dispositif électrique (15) à la poutre suspendue de plafond (20), la partie porteuse de charge (16) étant creuse et comprenant un conduit électrique intégré (19) s'étendant à l'intérieur de ladite partie porteuse de charge (16) creuse, de la partie intérieure (11) à la partie extérieure (12), caractérisé en ce que la partie extérieure (12) comprend en outre une surface plane (P1) conçue pour venir en contact avec une surface plane (P2) sur le second côté (S) de la partie formant plaque (13) de la poutre suspendue de plafond (20), de telle sorte que le dispositif électrique (15) soit stabilisé par le raccordement des surfaces planes et suspendu dans la poutre suspendue de plafond (20).
  2. Dispositif de support selon la revendication 1, dans lequel la partie intérieure (11) comprend une saillie (31) conçue pour venir en contact avec une surface plane du premier côté (F) de la partie formant plaque (13) de la poutre suspendue de plafond (20) de façon à limiter le déplacement angulaire du dispositif autour d'un axe parallèle à la poutre suspendue de plafond (20).
  3. Dispositif de support selon la revendication 1, le dispositif de support étant conçu pour être supporté sur une poutre suspendue de plafond (20) conçue pour contenir des câbles électriques.
  4. Dispositif de support selon l'une quelconque des revendications précédentes, dans lequel le conduit électrique intégré (19) est raccordé à un connecteur électrique (52) intégré dans la partie intérieure (11), de telle sorte que le conduit électrique intégré (19) puisse être raccordé à une source d'alimentation.
  5. Dispositif de support selon l'une quelconque des revendications précédentes, dans lequel le dispositif électrique (15) est un dispositif électrique d'éclairage (15).
  6. Dispositif de support selon l'une quelconque des revendications précédentes, dans lequel la saillie (31) de la partie intérieure (11) est conçue pour venir en contact avec une partie saillante (32) de la partie formant plaque (13), sur son premier côté (F), de telle sorte que le dispositif de support (10) soit bloqué sur la poutre suspendue de plafond (20) au moins dans une direction allant vers le haut.
  7. Dispositif de support selon l'une quelconque des revendications précédentes, dans lequel la surface de contact (17) de la partie porteuse de charge (16) est conçue pour venir en contact avec la surface de bord orientée vers le haut (18) de la partie formant plaque (13) le long d'une étendue longitudinale (L) de la poutre suspendue de plafond (20).
  8. Dispositif de support selon l'une quelconque des revendications précédentes, dans lequel au moins une partie de la partie intérieure (11), de la partie extérieure (12) et de la partie porteuse de charge (16) sont des parties de la même pièce de matériau.
EP13198934.5A 2013-12-20 2013-12-20 Dispositif de montage pour appareil électrique sur une poutre de plafond Not-in-force EP2886947B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP13198934.5A EP2886947B1 (fr) 2013-12-20 2013-12-20 Dispositif de montage pour appareil électrique sur une poutre de plafond

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP13198934.5A EP2886947B1 (fr) 2013-12-20 2013-12-20 Dispositif de montage pour appareil électrique sur une poutre de plafond

Publications (2)

Publication Number Publication Date
EP2886947A1 EP2886947A1 (fr) 2015-06-24
EP2886947B1 true EP2886947B1 (fr) 2018-06-06

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
EP13198934.5A Not-in-force EP2886947B1 (fr) 2013-12-20 2013-12-20 Dispositif de montage pour appareil électrique sur une poutre de plafond

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EP (1) EP2886947B1 (fr)

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1222669A (en) * 1916-05-03 1917-04-17 John W Purnell Electric bath-tub heater.
US2789201A (en) * 1954-05-03 1957-04-16 Sherwin George Frank Immersion heaters for bathroom tanks

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2712590A (en) * 1953-03-17 1955-07-05 James W Doble Portable heater
US3429538A (en) * 1967-04-11 1969-02-25 Natale Machine & Tool Co Lamp bracket assembly
US4122762A (en) * 1977-03-07 1978-10-31 Williams Arthur C Air-slot spacer clip
CA1113913A (fr) * 1981-03-04 1981-12-08 Jean B. Le May Pince pour suspendre des articles d'un plafond suspendu
US4971279A (en) * 1989-07-03 1990-11-20 George Warren T Hanger clip
JPH0993840A (ja) * 1995-09-28 1997-04-04 Matsushita Electric Works Ltd システム天井における無結線給電構造
EP1074773A1 (fr) * 1999-08-03 2001-02-07 Thomas & Betts International, Inc. Collier de support de câble et dispositif de fixation associé
FR2805095B1 (fr) * 2000-02-14 2002-04-05 Planet Wattohm Sa Adaptateur pour le raccordement de deux conduits de cablage intervenant de part et d'autre d'un faux-plafond
BR112013009602A2 (pt) * 2010-10-22 2016-07-12 Koninkl Philips Electronics Nv sistema sensor de controle de pelo menos uma luminária embutida e conjunto de luminária embutida

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1222669A (en) * 1916-05-03 1917-04-17 John W Purnell Electric bath-tub heater.
US2789201A (en) * 1954-05-03 1957-04-16 Sherwin George Frank Immersion heaters for bathroom tanks

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