EP3527888B1 - Luminaire, en particulier luminaire pour local humide - Google Patents

Luminaire, en particulier luminaire pour local humide Download PDF

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Publication number
EP3527888B1
EP3527888B1 EP19157809.5A EP19157809A EP3527888B1 EP 3527888 B1 EP3527888 B1 EP 3527888B1 EP 19157809 A EP19157809 A EP 19157809A EP 3527888 B1 EP3527888 B1 EP 3527888B1
Authority
EP
European Patent Office
Prior art keywords
housing
cover
snap
luminaire
elements
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.)
Active
Application number
EP19157809.5A
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German (de)
English (en)
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EP3527888A1 (fr
Inventor
Karsten Marquas
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.)
Trilux GmbH and Co KG
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Trilux GmbH and Co KG
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Publication of EP3527888A1 publication Critical patent/EP3527888A1/fr
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Publication of EP3527888B1 publication Critical patent/EP3527888B1/fr
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Classifications

    • 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
    • F21V17/00—Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages
    • F21V17/10—Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages characterised by specific fastening means or way of fastening
    • F21V17/16—Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages characterised by specific fastening means or way of fastening by deformation of parts; Snap action mounting
    • F21V17/164—Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages characterised by specific fastening means or way of fastening by deformation of parts; Snap action mounting the parts being subjected to bending, e.g. snap joints
    • 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
    • F21V31/00—Gas-tight or water-tight arrangements
    • F21V31/005—Sealing arrangements therefor
    • 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
    • F21Y2115/00—Light-generating elements of semiconductor light sources
    • F21Y2115/10—Light-emitting diodes [LED]

Definitions

  • the invention relates to a lamp according to the preamble of claim 1.
  • Such lights are known in the field, the housing, for example, in the case of a ceiling light being able to be attached to the ceiling or in a suspended ceiling, it being possible to provide a generally releasable connection between the cover and the housing.
  • a lamp is, for example, in the utility model DE 20 2016 000 122 U1 disclosed.
  • actuatable connecting means such as clamp hooks, rocker arm locks or the like are provided for fastening the cover to the housing, via which the cover can be detached from the housing, for example for maintenance purposes.
  • a generic lamp is in the laid-open specification EP 2 868 964 A1 disclosed.
  • the disclosure document US 2016/0327237 A1 discloses a luminaire comprising an elongated housing, a device carrier which carries a plurality of semiconductor light sources and a trough-shaped optical cover with an opening of the cover fixed longitudinal legs, wherein the device carrier is inserted into the cover and carried by this.
  • the housing and cover are connected by means of turnbuckles.
  • the present invention is based on the object of improving a conventional lamp with regard to its functionality.
  • the luminaire according to the invention is characterized in that the tongue and groove connection of the cover and the housing have corresponding locking elements for locking the cover to the housing, the lockable Tongue / groove connection can be released without tools and that latching elements of the cover each have walls attached to their two longitudinal ends and extending onto a transverse web of the respective longitudinal leg, for the design of a receptacle for a respectively assigned latching element of the housing.
  • the functional components for providing the tongue and groove connection simultaneously have functional elements or designs for providing a snap, ie latching connection, which come or lead to latching when the tongue and groove connection is positively joined.
  • a joining part is elastically deformed and then hooks releasably or non-releasably with a corresponding latching element.
  • one of the components, cover or housing has a groove and the other component has a tongue corresponding to the groove, with at least one latching element being arranged both on the inner surfaces defining the groove and on the surfaces defining the tongue can be, wherein these locking elements correspond and can automatically provide the described locking between tongue and groove and thus between cover and housing during the joining process for producing the tongue and groove connection.
  • latching elements of the cover are attached to their two longitudinal ends and include walls extending on a transverse web of the respective longitudinal leg to form a receptacle for a respectively assigned latching element of the housing.
  • This measure provides, on the one hand, a reinforcement of the cover in the area of the latching through the walls extending from the latching element and thus a more symmetrical dissipation of the forces occurring when the components are joined / separated.
  • they provide a secure locking of the associated latching elements, since a latching element of the housing associated with the latching receptacle of the cover rests in the latched state not only with regard to its latching surface on the latching surface of the associated latching element of the cover, but also the respective latching element, which for example can be designed as a latching hook, is received within the receptacle on the cover, so that there is also a form fit between the two corresponding latching elements in the longitudinal direction.
  • the lamp according to the invention is particularly easy to use when attaching the cover to the housing, since the joining process automatically locks the components to one another, so that sequential actuation of a plurality of clamp hooks or rocker arm locks or the like can be omitted during the joining process.
  • the appearance of the lamp is improved, since the elimination of these additional locking means in the area of the locking sections between the housing and the cover a closed and homogeneous appearance of the luminaire can be provided.
  • corresponding latching elements of the tongue and groove connection are covered by the external groove wall in order to maintain a closed and homogeneous appearance of the luminaire so that the latching elements are not visible to a viewer of the luminaire.
  • the receiving groove can be provided on the housing and the spring can be provided correspondingly on the cover, in particular to provide an attractive appearance of the lamp.
  • the housing can expediently be designed approximately U-shaped in cross-section with legs (side legs) that are spaced apart in the transverse direction and define an opening of the housing at their respective free end section, a receiving groove open in the direction of the cover can be formed with groove walls spaced in the transverse direction of the lamp .
  • the outer groove wall of the receiving groove can have latching elements spaced apart in the longitudinal direction on its inner side for latching with associated latching elements of the cover.
  • the outer groove wall can preferably extend with a uniform height over the length of the housing, which further enhances the harmonious appearance of the lamp.
  • the inner groove wall of the receiving groove has a lower height than the outer groove wall, for example in order to accommodate sections of the device carrier in the free space formed in this way, which under certain circumstances can be aligned with the inner groove wall.
  • a design in such a way that the free edge of the outer groove wall extends beyond the corresponding inner locking elements of the leg of the housing also has the advantage that a gripping edge is provided, for example to sequentially engage the locking for the purpose of servicing the lamp to loosen the longitudinally spaced (latching) points, then to loosen the tongue and groove connection by moving away from each other between the housing and the cover and thus to cancel the connection between the cover and the housing.
  • a foamable seal is designed within the receiving groove for setting the described tongue and groove connection and for locking it into place.
  • a hollow insertion element such as a thin needle can be inserted into the groove, preferably close to the groove base, and then the seal can be foamed into the groove by inserting the material.
  • a hermetic seal of the interior of the Provides luminaire to the outside is also provided.
  • the springs of the optical cover are on the inside have a plurality of longitudinally spaced apart and inwardly and in the direction of the base of the cover extending joining or guide ribs for support on the inside groove wall of the housing.
  • the design can be such that during the joining movement between the cover and the housing, the said joining ribs first come to rest on the inner surface of the inner groove wall of the housing and only then or at the same time do the inclined or guide surfaces of the associated latching elements of the cover and the sliding on each other Housing for expanding the receiving groove during the joining process.
  • the tongue of the cover has a web at its free end, which is on the outside at longitudinal locations at which a latching element is arranged on the tongue , merges into an inclined surface of the latching element and to which the joining rib design adjoins on the inside, so that the said web is designed as a sealing web which presses the seal against the groove base of the receiving groove.
  • a respective optical and / or haptic marking is designed on the outside of the outer groove wall in the longitudinal region of a locking element arranged on the inside of the outer groove wall, for example in the form of two markings such as Ribs which indicate the longitudinal extension of the respective locking element. These markings can indicate to the respective user at which points the respective outer groove wall is to be elastically deflected in order to release the respective latching between cover and housing at this point.
  • a haptic marking here means any surface design on the outside of the outer groove wall at the designated points that can be detected by touching.
  • Figure 1 represents an exploded view of the lamp according to the invention, which is designed in the described embodiment as a damp-proof ceiling lamp.
  • it comprises an elongated, trough-shaped housing 10 with an approximately U-shaped cross-section perpendicular to the longitudinal extent, which extends through a base section 11 and two side legs extending approximately perpendicularly therefrom 12a, b is formed.
  • the housing 10 each has a longitudinally extending receiving groove 13a, b for interacting with longitudinally extending springs 55a, b at the free ends of the legs 51a, 51b of the trough-shaped cover 50
  • Housing 10 can be made in one or more pieces, for example three-piece with an elongated part and one end face each at the longitudinal end of the housing 10.
  • the receiving groove on the housing and the tongue on the cover also run in these end face sections, so that the lamp is closed is.
  • the housing can be formed from a plastic, in another embodiment from a metal material.
  • the luminaire designed according to the invention also has a so-called equipment carrier 30, which here is plate-shaped with a top 31 and a bottom 32. While the top 31 in the installed position is directed towards the bottom 11 of the housing, the underside 32 of the device carrier 30 in the installed position points to the trough bottom of the optical cover 50.
  • the device carrier 30 carries the illuminant in the form of a plurality of on its underside 32
  • Semiconductor light sources, in particular LEDs which can be arranged, for example, in a series arrangement on a printed circuit board, the circuit board being attached to the underside of the device carrier 30. In another embodiment, the LEDs can also be applied directly to the device carrier 30.
  • interconnections, cabling, connection terminals and in particular one or more operating devices for the lighting means can be made on the device carrier, the interconnection then taking place via corresponding openings or feedthroughs from the top 31 to the bottom 32.
  • the equipment carrier is equipped with the equipment described not shown in the figures.
  • the equipment rack can be made from a metal or a plastic, in particular in one piece.
  • the luminaire 1 includes an optical cover 50 which is also trough-shaped here, which is made of a translucent material in the embodiment described and can also be transparent in another embodiment.
  • the cover can be provided on its inner surface with light-guiding structures 52, for example in the form of prism-shaped ribs extending in the longitudinal direction.
  • light-guiding structures can, however, also be provided on the optically effective outer surface 53, with the cover in the described embodiment having a smooth, unstructured surface in order to avoid the accumulation of dirt.
  • the in Figure 1 The cover shown and the housing are shown open on their right-hand side for clarity of illustration. In one embodiment, both the housing 10 and the cover 50 can be formed in one piece. However, it is also possible to use several of the in Figure 1 Assemble specified elements to design a lamp with in principle any length.
  • FIG. 1 detailed representation of the Figure 2a of the device carrier 30 are on the two side flanges 33a, b provided locking recesses 35 spaced apart in the longitudinal direction, in which corresponding locking hooks 57 of the optical cover 50 cooperate in a manner to be described below when the two parts are connected to one another, see FIG Figure 2b .
  • a respective guide recess 36 is provided in the device carrier 30, which is incorporated in a channel-shaped shoulder 37 in a transverse end section of the device carrier, to which a respective side flange 33a, b adjoins, which is essentially perpendicular to the top - or underside of the device carrier runs.
  • These guide recesses 36 act in a manner still to be described with tabs 56 arranged on the optical cover 50 for the relative guidance of the device carrier to the cover 50 during the process of locking the two parts to one another.
  • the locking hooks 57 just mentioned and the guide tabs 56 are shown.
  • the locking hooks 57 extend on the inside in the transverse direction on the inside of the respective side legs 51a, b and provide a locking surface 58 which extends here perpendicular to the respective side legs 51a, b and which, after locking with the device carrier 30, presses on the top of the channel 37.
  • the guide tabs 56 extend in the guide recesses 36 of the device carrier 30.
  • a plurality of guide ribs 60 are again provided, spaced apart in the longitudinal direction of the cover, which extend over almost the entire height of the spring and afterwards extend inside.
  • the described latching recesses, guide recesses, guide tabs, and latching hooks are constructed identically on both longitudinal sides of the components 30, 50.
  • both are initially oriented to one another in such a way that that the guide tabs 56 are aligned with the assigned guide recesses 36 and both parts 30, 50 are moved towards one another in a direction perpendicular to the longitudinal extension of the parts until the guide tabs 56 engage in the respectively assigned guide recesses 36.
  • the underside sections of the channel 37 slide along the incline or guide surface of the latching hooks 57 until the latching hook 57 with its latching surface 58, see FIG Figure 2b , comes to rest or snaps into place on the surface of the channel 37 of the device carrier 30.
  • the two components 30, 50 are releasably connected to one another, see FIG Figure 2c .
  • the outer surfaces of the side flanges 33a, b of the device carrier 30 bear against the guide ribs 60 extending inward from the spring 55a, b.
  • the two side legs 51a, b have on their end sections and the springs 55a, b on their outer sides longitudinally spaced latching hooks 64 which interact with associated latching elements arranged on the housing 10 to latch the cover 50 when the device carrier is latched onto the housing 10 work together.
  • the latching hooks 64 each have an inclined surface or guide surface 65 and a latching surface 70 running approximately perpendicular to the respective spring.
  • walls 66a, b are attached to the two longitudinal ends of the respective latching element 64, which extend outwards and in the illustration of the Figure 2c downwardly except for a transverse web 68 extending from the respective spring 5a, b.
  • the locking surface 70, the inner sides of the walls 66a, b and the surface of the transverse web 68 visible in the figure form a respective locking receptacle for receiving a respectively assigned locking hook 20 on the housing 10, which is discussed in more detail below.
  • the elongated, trough-like housing 10 has two side legs 12a, b, at the free ends of which each have a receiving groove 13a, b for receiving a respective spring 55a, b of the cover, see for example Figure 2b , on.
  • This receiving groove is each formed by a groove base wall 18, 19 running approximately perpendicular to the respective side limbs 12a, b, as well as two adjoining and spaced apart groove walls, ie in the case of the receiving groove 13a the inner groove wall 16 and the outer groove wall 17 and in the case of the Receiving groove 13b, the inner groove wall 14 and the outer groove wall 15.
  • locking hooks 20 spaced apart in the longitudinal direction are provided on the inside thereof directed towards the groove.
  • the latching hooks 20 extend transversely to the longitudinal direction inward with an inclined or guide surface 21 directed towards the free end of the outer groove wall and a latching surface 22 directed into the respective groove interior, which here runs approximately perpendicular to the outer groove wall.
  • the latching hooks 20 arranged on the inside of the outer groove wall 17 are covered except for the latching hooks 20 visible on the right-hand end of the housing in the figure.
  • Marking ribs 23a, b which act as guide aids are provided on the outside of the outer groove walls 15, 17 and each mark a latching hook 20 arranged on the rear side of the outer groove wall 15, 17.
  • grip markings When the latching between the housing and cover is released, they serve as grip markings in order to identify the points at which the respective outer groove wall 15, 17 is to be gripped and pivoted outwards in order to sequentially latch on to the latching hooks 20 in the kind of zipper process to solve.
  • the cover 50 with the device carrier 30 attached to it is latched to the housing 10 in that the springs 55a, b of the cover 50 are aligned with the receiving grooves 13a, b of the housing and the housing and cover are then moved towards one another.
  • the guide surfaces 65, 21 of the associated latching elements 64, 20 slide on each other and at the same time the guide ribs 60 of the cover 50 along the inside of the inner groove wall 14, which ensures that the receiving groove is widened to accommodate the tongue 55a, b in the Receiving groove 13a, b and not instead the housing is bent open at its side legs 12a, b.
  • this position is characterized in that the latching hooks 20 are received in the respective latching receptacles 69 of the cover.
  • Figure 5 shows the in Figure 4 Latching situation shown on the right-hand side in detail from a slightly different perspective. It can be seen that the guide ribs 60 rest on the inside of the inner groove wall 16, while the latching hooks 20 of the housing are received in the latching receptacles 69.
  • the in Figure 5 The cavity marked with the reference numeral 80 forms a sealing space in which a seal is filled with foam after the cover has been locked to the housing.
  • the spring 55a, b protrudes with the sealing web 67 into the sealing material.
  • the side flanges 33a, b in the locked state of Cover 50 with housing 10 aligned with inner groove wall 14, 16.

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Non-Portable Lighting Devices Or Systems Thereof (AREA)
  • Securing Globes, Refractors, Reflectors Or The Like (AREA)

Claims (8)

  1. Luminaire (1), en particulier luminaire pour local humide, comprenant un bâti allongé (10), un support d'appareils (30) qui porte une multitude de sources de lumière à semiconducteurs ainsi qu'un recouvrement optique en forme de cuvette (50) avec des montants longitudinaux (51a, b) qui déterminent une ouverture du recouvrement, cependant que le support d'appareil est enclenché sur le recouvrement et que le recouvrement (50) et le boîtier (10) présentent un assemblage à rainure et languette (13a, 55a ; 13b, 55a), caractérisé en ce que l'assemblage à rainure et languette (13a, 55a; 13b, 55a) est formé avec des éléments d'encliquetage correspondants (20, 64) pour encliqueter le recouvrement (50) avec le bâti (10), cependant que l'assemblage à rainure et languette encliquetable (13a, 55a ; 13b, 55a) peut être détaché sans outil et que des éléments d'encliquetage (64) du recouvrement (50) présentent des parois (66b, 66a) qui se rattachent aux deux extrémités longitudinales et qui s'étendent sur une barrette transversale (68) du montant longitudinal respectif (51a, b) pour créer un logement (69) pour un élément d'encliquetage (20) respectivement associé du bâti (10).
  2. Luminaire (1) selon la revendication 1, caractérisé en ce que le bâti (10) est formé en section transversale à peu près en forme de U avec des montants (12a, b) qui déterminent une ouverture du bâti sur la portion terminale libre desquels une rainure de logement (13a, b) est formée avec des parois de rainure (14, 15) espacées dans les sens transversal du luminaire (1), cependant que la paroi de rainure située à l'extérieur (15, 17) dépasse en hauteur la paroi de rainure située à l'intérieur (14, 16) et présente, sur son côté intérieur, des éléments d'encliquetage (20) espacés dans le sens longitudinal pour s'enclencher avec des éléments d'encliquetage associés (64) du recouvrement et cependant que la paroi de rainure située à l'extérieur (15, 17) s'étend avec une hauteur uniforme sur la longueur du bâti (10).
  3. Luminaire (1) selon la revendication 2, caractérisé en ce que des éléments d'encliquetage correspondants (20, 64) de l'assemblage à rainure et languette encliquetable (13a, 55a ; 13b, 55a) sont recouverts par la paroi de rainure située à l'extérieur (15, 17) du bâti.
  4. Luminaire (1) selon la revendication 1, 2 ou 3, caractérisé en ce que des surfaces d'encliquetage respectives (21) des éléments d'encliquetage (20) du bâti sont placés dans le sens du couvercle (50) sous l'extrémité libre de la paroi de rainure située à l'intérieur (14, 16) du bâti (10).
  5. Luminaire (1) selon la revendication 1 à 4, caractérisé en ce que des montants longitudinaux (51a, b) du recouvrement optique (50) sont formés dans leur zone d'extrémité libre respective en tant que languette (55a, b) qui présentent, sur leur côté extérieur, une multitude d'éléments d'encliquetage (64) qui coopèrent avec les éléments d'encliquetage (20) du bâti (10), cependant que les éléments d'encliquetage (64) du recouvrement comprennent une surface de guidage (65) qui s'étend obliquement par rapport à la languette (55a, b) et une surface d'encliquetage (70) qui s'étend à peu près perpendiculairement à la languette (55a, b).
  6. Luminaire (1) selon la revendication 5, caractérisé en ce que les languettes (55a, b) du recouvrement optique (50) présentent, sur le côté intérieur, une multitude de nervures d'assemblage (60) espacées dans le sens longitudinal et qui s'étendent vers l'intérieur et en direction de la base du recouvrement pour servir d'appui sur la paroi de rainure intérieure (14, 16) du bâti (10).
  7. Luminaire (1) selon l'une des revendications 5 ou 6, caractérisé en ce que les languettes (55a, b) du recouvrement (50) présentent, à leur extrémité libre, une entretoise d'étanchéité (67) qui se poursuit, sur le côté extérieur, en une surface oblique (65) de l'élément d'encliquetage (64) et à laquelle se rattache l'ensemble de nervures d'assemblage (60,...60) sur le côté intérieur.
  8. Luminaire (1) selon l'une des revendications 1 à 7, caractérisé en ce qu'un marquage haptique et/ou optique associé (23a, b) est formé sur le côté extérieur de la paroi de rainure extérieure (15, 17) dans la zone longitudinale d'un élément d'encliquetage (20) placé sur le côté intérieur de la paroi de rainure extérieure.
EP19157809.5A 2018-02-16 2019-02-18 Luminaire, en particulier luminaire pour local humide Active EP3527888B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102018001189.6A DE102018001189A1 (de) 2018-02-16 2018-02-16 Leuchte, insbesondere Feuchtraumleute

Publications (2)

Publication Number Publication Date
EP3527888A1 EP3527888A1 (fr) 2019-08-21
EP3527888B1 true EP3527888B1 (fr) 2021-03-31

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Family Applications (1)

Application Number Title Priority Date Filing Date
EP19157809.5A Active EP3527888B1 (fr) 2018-02-16 2019-02-18 Luminaire, en particulier luminaire pour local humide

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EP (1) EP3527888B1 (fr)
DE (1) DE102018001189A1 (fr)
ES (1) ES2869386T3 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102019129638A1 (de) * 2019-11-04 2021-05-06 Bjb Gmbh & Co. Kg Leuchtenbauteil zur Abdeckung einer Lichtquelle

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4413316C2 (de) * 1994-04-16 1998-07-16 Reiss Int Gmbh Leuchtenverschluß
EP1052454B1 (fr) * 1999-05-11 2007-10-24 Koninklijke Philips Electronics N.V. Luminaire d'intérieur/industriel
DE10051952A1 (de) * 2000-10-20 2002-02-21 Trilux Lenze Gmbh & Co Kg Feuchtraumleuchte
DE10116468A1 (de) * 2001-04-03 2002-10-17 Zumtobel Staff Gmbh Leuchte
DE102013018549A1 (de) * 2013-11-05 2015-05-07 Siteco Beleuchtungstechnik Gmbh Beleuchtungsvorrichtung
US10344945B2 (en) * 2015-05-07 2019-07-09 Abl Ip Holding Llc Luminaire with pre-assembled light engine and lens
DE202016000122U1 (de) 2016-01-08 2016-01-25 Siteco Beleuchtungstechnik Gmbh Feuchtraumleuchte in Wannenbauform
DE202016103785U1 (de) * 2016-07-14 2017-10-18 Zumtobel Lighting Gmbh Leuchte

Non-Patent Citations (1)

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Title
None *

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Publication number Publication date
EP3527888A1 (fr) 2019-08-21
ES2869386T3 (es) 2021-10-25
DE102018001189A1 (de) 2019-08-22

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