EP0127611B1 - Light fixture - Google Patents

Light fixture Download PDF

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Publication number
EP0127611B1
EP0127611B1 EP84890096A EP84890096A EP0127611B1 EP 0127611 B1 EP0127611 B1 EP 0127611B1 EP 84890096 A EP84890096 A EP 84890096A EP 84890096 A EP84890096 A EP 84890096A EP 0127611 B1 EP0127611 B1 EP 0127611B1
Authority
EP
European Patent Office
Prior art keywords
frame
light according
loop arrangement
holding loop
reflector
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.)
Expired
Application number
EP84890096A
Other languages
German (de)
French (fr)
Other versions
EP0127611A3 (en
EP0127611A2 (en
Inventor
Werner Salansky
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.)
Stabeg Apparatebau GmbH
Original Assignee
Stabeg Apparatebau GmbH
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from AT0197983A external-priority patent/AT376783B/en
Priority claimed from AT0376483A external-priority patent/AT377069B/en
Application filed by Stabeg Apparatebau GmbH filed Critical Stabeg Apparatebau GmbH
Publication of EP0127611A2 publication Critical patent/EP0127611A2/en
Publication of EP0127611A3 publication Critical patent/EP0127611A3/en
Application granted granted Critical
Publication of EP0127611B1 publication Critical patent/EP0127611B1/en
Expired legal-status Critical Current

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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
    • 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
    • F21V21/04—Recessed bases
    • 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
    • F21S8/02—Lighting devices intended for fixed installation of recess-mounted type, e.g. downlighters
    • 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
    • F21S8/02—Lighting devices intended for fixed installation of recess-mounted type, e.g. downlighters
    • F21S8/026—Lighting devices intended for fixed installation of recess-mounted type, e.g. downlighters intended to be recessed in a ceiling or like overhead structure, e.g. suspended 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
    • F21V19/00—Fastening of light sources or lamp holders
    • F21V19/0075—Fastening of light sources or lamp holders of tubular light sources, e.g. ring-shaped fluorescent light sources
    • F21V19/008—Fastening of light sources or lamp holders of tubular light sources, e.g. ring-shaped fluorescent light sources of straight tubular light sources, e.g. straight fluorescent tubes, soffit lamps
    • 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

Definitions

  • the invention relates to a lamp with at least one lamp and a reflector, which rests on a frame that delimits an opening in a false ceiling, with a holding bracket that supports the frame.
  • Such a lamp is known for example from US-A-3,058,611.
  • the frame is screwed to the bracket.
  • the assembly of such a lamp is therefore relatively difficult.
  • the object of the invention is to provide a lamp of the type mentioned above, which can be installed quickly and without tools.
  • the false ceiling can be clamped between the frame and the holding bracket, in that the holding bracket has bearings for at least one, preferably two axles, each carrying a clamping piece, and that springs act on the one hand on the frame and on the other hand on the clamping pieces.
  • the holding bracket consists of two bracket parts connected by means of bracket connectors, which together have four support points on the frame which describe a rectangle.
  • the lamp shown consists of a lamp 4, in the case shown a fluorescent tube, the socket 22 of which is attached to the inside of a reflector 3 made of brass. It is fastened by means of screws in the region of an axial extension of the reflector 3, as a result of which the holder 22 is shielded from below by the false ceiling 19.
  • the edge of the reflector 3 adjoining the socket 22 is open, so that the cable of the lamp 4 can easily be guided to the connection terminal.
  • the central part 24 of the reflector 3 has axial extensions 25 and 25 'on both sides, it can be placed on the webs 6 of the frame 1 extending transversely to the reflector 3. In order to remove the reflector 3 together with the lamp 4 from the frame 1, it is then only necessary to first tilt this unit and then to move it out of the frame 1 at an angle downward. With this type of attachment, the longitudinal edges of the reflector 3 can remain in contact with the longitudinal webs 6 'of the frame 1, which is why it is expedient to provide them with edge strips 26, so that only the underside of the frame 1 and the inside are left for the viewer of the reflector 3 and of course the lamp 4 itself remain visible.
  • the construction shown requires relatively little material, since the cylinder jacket of the reflector 3 does not have the usual end closures.
  • the reflector 3, like the frame 1, is therefore also made of brass.
  • the lamp shown in Fig. 1 is attached to the false ceiling 19.
  • a bracket 2 which spans the opening in the false ceiling 19 and is supported on the false ceiling 19. The assembly of the lamp is facilitated if the armature 5 of the lamp is mounted on the bracket 2.
  • the frame 1 is designed with horizontal webs 6 and vertical webs 7, 8, the two vertical webs 7 and the two vertical webs 8 lying opposite each other.
  • the holding bracket 2 is designed as a double bracket, with two bracket parts 2 ′ and bracket connector 10.
  • the bracket parts 2 ' are bent into bearings 11, into which an axis 12 can be inserted on each side of the retaining bracket 4.
  • Each axis 12 carries a clamping piece 13 which is bent from wire in the exemplary embodiment and is mounted on the axis 12 both rotatably and longitudinally displaceably.
  • the frame 1 is pressed below the false ceiling 19 and the bracket 2 is attached from above. Then the axes 12 are inserted into the bearing 11 of the bracket. In the position of the tensioning pieces 13 shown in FIG. 3A, the springs 15 are still tension-free.
  • the clamping pieces 13 are pivoted against the spring action, with recesses 16 being provided in the bracket connectors 10, through which the middle part 17 of the clamping pieces 13 can be pivoted.
  • clamping pieces 13 are moved longitudinally on the axes 12, so that the parts 17 of the clamping pieces 13 come to rest behind the transverse bracket part connectors 10.
  • the frame 1 - bracket 2 - set automatically adapts to different thicknesses of the false ceiling 19 or the lamp support device.
  • the bracket 2 is provided on one side with fastenings 18 for the lamp fitting 5.
  • the springs 15 are thus not loaded with the weight of the armature 5, but only carry the frame 1 and the reflector 3 with the lamp 4 attached to them.

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Securing Globes, Refractors, Reflectors Or The Like (AREA)
  • Non-Portable Lighting Devices Or Systems Thereof (AREA)
  • Finger-Pressure Massage (AREA)
  • Road Signs Or Road Markings (AREA)
  • Fastening Of Light Sources Or Lamp Holders (AREA)

Abstract

1. A light comprising at least one lamp (4) and a reflector (3) which is supported on a frame (1) bordering an opening in a false ceiling (19), and a holding loop arrangement (2) which carries the frame (1), characterised in that the false ceiling (19) can be clamped between the frame (1) and the holding loop arrangement (2) by the holding loop arrangement (2) having mountings (11) for at least one and preferably two spindles (12) which each carry a respective clamping portion (13) and that springs (15) engage on the one hand the frame (1) and on the other hand the clamping portions (13).

Description

Die Erfindung bezieht sich auf eine Leuchte mit mindestens einer Lampe und einem Reflektor, der auf einem, eine Öffnung in einer Zwischendecke begrenzenden Rahmen aufliegt, mit einem den Rahmen tragenden Haltebügel.The invention relates to a lamp with at least one lamp and a reflector, which rests on a frame that delimits an opening in a false ceiling, with a holding bracket that supports the frame.

Eine derartige Leuchte ist beispielsweise aus der US-A-3 058 611 bekannt. Dabei ist der Rahmen mit dem Haltebügel verschraubt. Die Montage einer solchen Leuchte ist daher relativ schwierig.Such a lamp is known for example from US-A-3,058,611. The frame is screwed to the bracket. The assembly of such a lamp is therefore relatively difficult.

Aufgabe der Erfindung ist es, eine Leuchte der oben erwähnten Art zu schaffen, die rasch und auch ohne Werkzeug montiert werden kann.The object of the invention is to provide a lamp of the type mentioned above, which can be installed quickly and without tools.

Dies wird erfindungsgemäß dadurch erreicht, daß die Zwischendecke zwischen dem Rahmen und dem Haltebügel einklemmbar ist, indem der Haltebügel Lager für mindestens eine, vorzugsweise zwei Achsen aufweist, die jeweils ein Spannstück tragen, und daß Federn einerseits am Rahmen und andererseits an den Spannstücken angreifen.This is achieved according to the invention in that the false ceiling can be clamped between the frame and the holding bracket, in that the holding bracket has bearings for at least one, preferably two axles, each carrying a clamping piece, and that springs act on the one hand on the frame and on the other hand on the clamping pieces.

Vorteilhaft ist vorgesehen, daß der Haltebügel aus zwei mittels Bügelverbindem verbundenen Bügelteilen besteht, die zusammen vier ein Rechteck beschreibende Auflagepunkte am Rahmen aufweisen.It is advantageously provided that the holding bracket consists of two bracket parts connected by means of bracket connectors, which together have four support points on the frame which describe a rectangle.

Einzelheiten der Erfindung werden anschließend anhand der Zeichnung erläutert. Dabei stellt :

  • Fig. 1 schaubildlich die Teile einer Leuchte im zusammengesetzten Zustand dar,
  • Fig. 2 zeigt schaubildlich die Leuchte, wobei der Rahmen und der Haltebügel auseinandergezogen sind,
  • Fig. 3a und 3b zeigen schematische Schaubilder der Spanneinrichtung und
  • Fig. 4 zeigt ein schematisches Schaubild des Rahmens und des Reflektors.
Details of the invention are subsequently explained with reference to the drawing. Here:
  • 1 shows the parts of a lamp in the assembled state,
  • Fig. 2 shows a diagram of the lamp, the frame and the bracket are pulled apart,
  • 3a and 3b show schematic diagrams of the tensioning device and
  • Fig. 4 shows a schematic diagram of the frame and the reflector.

Die dargestellte Leuchte besteht aus einer Lampe 4, im dargestellten Fall einer Leuchtstoffröhre, deren Fassung 22 an der Innenseite eines aus Messing bestehenden Reflektors 3 befestigt ist. Die Befestigung erfolgt mittels Schrauben im Bereich einer axialen Verlängerung des Reflektors 3, wodurch die Fassung 22 durch die Zwischendecke 19 gegen Sicht von unten abgeschirmt ist. Der an die Fassung 22 anschließende Rand des Reflektors 3 ist offen, sodaß das Kabel der Lampe 4 ohne weiteres zur Anschlußklemme geführt werden kann.The lamp shown consists of a lamp 4, in the case shown a fluorescent tube, the socket 22 of which is attached to the inside of a reflector 3 made of brass. It is fastened by means of screws in the region of an axial extension of the reflector 3, as a result of which the holder 22 is shielded from below by the false ceiling 19. The edge of the reflector 3 adjoining the socket 22 is open, so that the cable of the lamp 4 can easily be guided to the connection terminal.

Dadurch, daß der Mittelteil 24 des Reflektors 3 beidseits axiale Verlängerungen 25 bzw. 25' aufweist, kann er mit diesen auf die quer zum Reflektor 3 verlaufenden Stege 6 des Rahmens 1 aufgelegt werden. Um den Reflektor 3 samt der Lampe 4 aus dem Rahmen 1 zu entfernen, ist es dann nur mehr notwendig, diese Einheit zunächst zu kippen und dann schräg nach unten aus dem Rahmen 1 heraus zu bewegen. Bei dieser Art der Befestigung können die Längsränder des Reflektors 3 in Berührung mit den längsverlaufenden Stegen 6' des Rahmens 1 bleiben, weshalb es zweckmäßig ist, sie mit Randleisten 26 zu versehen, wodurch für den Beschauer nur mehr die Unterseite des Rahmens 1 und die Innenseite des Reflektors 3 und natürlich die Lampe 4 selbst sichtbar bleiben.Characterized in that the central part 24 of the reflector 3 has axial extensions 25 and 25 'on both sides, it can be placed on the webs 6 of the frame 1 extending transversely to the reflector 3. In order to remove the reflector 3 together with the lamp 4 from the frame 1, it is then only necessary to first tilt this unit and then to move it out of the frame 1 at an angle downward. With this type of attachment, the longitudinal edges of the reflector 3 can remain in contact with the longitudinal webs 6 'of the frame 1, which is why it is expedient to provide them with edge strips 26, so that only the underside of the frame 1 and the inside are left for the viewer of the reflector 3 and of course the lamp 4 itself remain visible.

Die dargestellte Konstruktion kommt trotz der vorgesehenen Verlängerungen 25, 25' mit relativ geringem Materialaufwand aus, da der Zylindermantel des Reflektors 3 nicht die üblichen Stirnabschlüsse aufweist. In einer bevorzugten Ausführung wird der Reflektor 3 daher auch ebenso wie der Rahmen 1 aus Messing hergestellt.Despite the proposed extensions 25, 25 ', the construction shown requires relatively little material, since the cylinder jacket of the reflector 3 does not have the usual end closures. In a preferred embodiment, the reflector 3, like the frame 1, is therefore also made of brass.

Die in Fig. 1 dargestellte Leuchte wird an der Zwischendecke 19 befestigt. Dazu dient ein Haltebügel 2, welcher die Öffnung in der Zwischendecke 19 überspannt und sich auf der Zwischendecke 19 abstützt. Die Montage der Leuchte wird erleichtert, wenn die Armatur 5 der Lampe am Haltebügel 2 montiert ist.The lamp shown in Fig. 1 is attached to the false ceiling 19. For this purpose, a bracket 2, which spans the opening in the false ceiling 19 and is supported on the false ceiling 19. The assembly of the lamp is facilitated if the armature 5 of the lamp is mounted on the bracket 2.

Der Rahmen 1 ist mit Horizontalstegen 6 und Vertikalstegen 7,8 ausgeführt, wobei sich jeweils die zwei Vertikalstege 7 und die zwei Vertikalstege 8 gegenüberliegen.The frame 1 is designed with horizontal webs 6 and vertical webs 7, 8, the two vertical webs 7 and the two vertical webs 8 lying opposite each other.

Während die Vertikalstege 7 unmittelbar auf den Horizontalstegen 6 aufsitzen und vorteilhaft einstückig mit diesen gebogen sind, befindet sich zwischen den Vertikalstegen 8 und den Horizontalstegen 6 ein Spalt 9. Es ist daher möglich, den Haltebügel 2 derart auf den Rahmen 1 aufzusetzen, daß er an einer Seite unter den Vertikalsteg 8 hindurchgeschoben wird. Der Haltebügel 2 ist im Ausführungsbeispiel als Doppelbügel ausgeführt, mit zwei Bügelteilen 2' und Bügelverbinder 10.While the vertical webs 7 sit directly on the horizontal webs 6 and are advantageously integrally bent with them, there is a gap 9 between the vertical webs 8 and the horizontal webs 6. It is therefore possible to place the retaining bracket 2 on the frame 1 in such a way that it is attached one side is pushed under the vertical web 8. In the exemplary embodiment, the holding bracket 2 is designed as a double bracket, with two bracket parts 2 ′ and bracket connector 10.

Die Bügelteile 2' sind zu Lagern 11 gebogen, in die an jeder Seite des Haltebügels 4 eine Achse 12 einlegbar ist.The bracket parts 2 'are bent into bearings 11, into which an axis 12 can be inserted on each side of the retaining bracket 4.

Jede Achse 12 trägt ein Spannstück 13, das im Ausführungsbeispiel aus Draht gebogen ist und auf der Achse 12 sowohl drehbar als auch längsverschieblich gelagert ist.Each axis 12 carries a clamping piece 13 which is bent from wire in the exemplary embodiment and is mounted on the axis 12 both rotatably and longitudinally displaceably.

An den äußeren Ösen 14 der Spannstücke 12 sind Federn 15 eingehängt, die mit ihrem anderen Ende in die Vertikalstege 8 des Rahmens eingehängt sind.On the outer eyelets 14 of the clamping pieces 12 springs 15 are suspended, which are suspended at their other end in the vertical webs 8 of the frame.

Zur Montage der Deckeneinbauleuchte wird der Rahmen 1 unterhalb der Zwischendecke 19 an diese gedrückt und von oben der Haltebügel 2 aufgesetzt. Dann werden die Achsen 12 in die Lager 11 des Haltebügels eingelegt. In der in der Fig. 3A gezeigten Stellung der Spannstücke 13 sind die Federn 15 noch spannungsfrei.To mount the recessed ceiling light, the frame 1 is pressed below the false ceiling 19 and the bracket 2 is attached from above. Then the axes 12 are inserted into the bearing 11 of the bracket. In the position of the tensioning pieces 13 shown in FIG. 3A, the springs 15 are still tension-free.

Zur endgültigen Verankerung der Deckeneinbauleuchte auf der Zwischendecke 19 werden die Spannstücke 13 entgegen der Federwirkung geschwenkt, wobei in den Bügelverbindem 10 Aussparungen 16 vorgesehen sind, durch die der Mittelteil 17 der Spannstücke 13 durchgeschwenkt werden kann.For final anchoring of the recessed ceiling light on the false ceiling 19, the clamping pieces 13 are pivoted against the spring action, with recesses 16 being provided in the bracket connectors 10, through which the middle part 17 of the clamping pieces 13 can be pivoted.

Anschließend werden die Spannstücke 13 auf den Achsen 12 längsverschoben, sodaß die Teile 17 der Spannstücke 13 hinter den querverlaufenden Bügelteilverbindern 10 zum Anliegen kommen.Then the clamping pieces 13 are moved longitudinally on the axes 12, so that the parts 17 of the clamping pieces 13 come to rest behind the transverse bracket part connectors 10.

Durch diese bajonettverschlußartige Verriegelung der Spannstücke 13 ist es möglich, den Haltebügel 2 schnell und ohne Werkzeug auf dem Rahmen 1 zu fixieren.Through this bayonet-type locking of the clamping pieces 13, it is possible to fix the bracket 2 quickly and without tools on the frame 1.

Durch die Federn 15 paßt sich die Rahmen 1 - Haltebügel 2 - Garnitur automatisch an verschiedene Stärken der Zwischendecke 19 oder der Lampentrageinrichtung an.By means of the springs 15, the frame 1 - bracket 2 - set automatically adapts to different thicknesses of the false ceiling 19 or the lamp support device.

An einer Seite ist der Haltebügel 2 mit Befestigungen 18 für die Lampenarmatur 5 versehen. Die Federn 15 sind damit nicht mit dem Gewicht der Armatur 5 belastet, sondern tragen lediglich den Rahmen 1 und den Reflektor 3 mit der daran befestigten Lampe 4.The bracket 2 is provided on one side with fastenings 18 for the lamp fitting 5. The springs 15 are thus not loaded with the weight of the armature 5, but only carry the frame 1 and the reflector 3 with the lamp 4 attached to them.

Claims (9)

1. A light comprising at least one lamp (4) and a reflector (3) which is supported on a frame (1) bordering an opening in a false ceiling (19), and a holding loop arrangement (2) which carries the frame (1), characterised in that the false ceiling (19) can be clamped between the frame (1) and the holding loop arrangement (2) by the holding loop arrangement (2) having mountings (11) for at least one and preferably two spindles (12) which each carry a respective clamping portion (13) and that springs (15) engage on the one hand the frame (1) and on the other hand the clamping portions (13).
2. A light according to claim 1 characterised in that the holding loop arrangement (2) comprises two loop portions (2') which are connected by means of loop connectors (10) and which together have four support points on the frame (1), the support points describing a rectangle.
3. A light according to claim 1 or claim 2 characterised in that the holding loop arrangement (2) is connected to the frame (1) by springs (15) wherein the direction of the spring connection between the frame (1) and the holding loop arrangement (2) is parallel to the direction of the force applied by the springs (15).
4. A light according to claim 1 characterised in that the clamping portions (13) are rotatable and longitudinally displaceable on the spindles (12) and can be inserted in the manner of a bayonet- like lock behind abutments on the holding loop arrangement (2).
5. A light according to claim 1 characterised in that the mountings (11) are bent out of the holding loop arrangement (2).
6. A light according to claim 1 characterised in that the reflector (3) which is in the form of part of the surface of a cylinder in per se known manner and which is extended at lest on one side beyond the frame (1) in the axial direction and which at said projecting portion carries the holder (22) for at least one lamp (4) is open in the axial direction at least at the side carrying the holder or holders (22).
7. A light according to claim 6 characterised in that the cable (20) which is connected to the holder or holders (22) leads to a connecting terminal (21) which is secured to a loop (28) which engages over the frame (1).
8. A light according to claim 6 characterised in that the reflector (3) lies on both sides by means of axial extension portions (25, 25') on limb portions (6) of the frame (1), which extend transversely to the axial extension portions.
9. A light according to claim 8 characterised in that the longitudinal sides of the cylindrical central portion (24) of the reflector (3) are provided with edge strips (26) which bear against the frame (1).
EP84890096A 1983-05-31 1984-05-28 Light fixture Expired EP0127611B1 (en)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
AT0197983A AT376783B (en) 1983-05-31 1983-05-31 LAMP
AT1979/83 1983-05-31
AT0376483A AT377069B (en) 1983-10-24 1983-10-24 RECESSED CEILING LAMP
AT3764/83 1983-10-24

Publications (3)

Publication Number Publication Date
EP0127611A2 EP0127611A2 (en) 1984-12-05
EP0127611A3 EP0127611A3 (en) 1985-12-11
EP0127611B1 true EP0127611B1 (en) 1989-08-09

Family

ID=25597332

Family Applications (1)

Application Number Title Priority Date Filing Date
EP84890096A Expired EP0127611B1 (en) 1983-05-31 1984-05-28 Light fixture

Country Status (3)

Country Link
EP (1) EP0127611B1 (en)
AT (1) ATE45415T1 (en)
DE (1) DE3479335D1 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2241055A (en) * 1989-12-28 1991-08-21 Moorlite Electrical Ltd Structures for mounting lamp fittings
DE202010002646U1 (en) 2010-02-23 2011-07-27 Zumtobel Lighting Gmbh Frameless downlight

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3121259A (en) * 1959-04-17 1964-02-18 Richard C Anisfield Ceiling mounting for recessed lighting fixtures
GB914526A (en) * 1959-05-11 1963-01-02 William Alfred Trott Luminaires
US3058611A (en) * 1959-06-01 1962-10-16 Metalcraft Products Company In Fluorescent lighting fixture construction
US3015721A (en) * 1960-04-04 1962-01-02 Edwin F Guth Company Fluorescent lighting fixtures
DE2107681A1 (en) * 1970-11-16 1972-07-20 Leuchtenbau Leipzig K Veb Recessed ceiling light
US3755667A (en) * 1972-03-13 1973-08-28 Mint Factors Recessed lighting structure
US3796870A (en) * 1973-03-22 1974-03-12 Westinghouse Electric Corp Recessed square fluorescent luminaire
FR2360040A1 (en) * 1976-07-26 1978-02-24 Devillers Jean Pierre Housing for fluorescent light fitting - has end-pieces fitted by combination of bent lugs positioned into slots and by spot welding

Also Published As

Publication number Publication date
EP0127611A3 (en) 1985-12-11
ATE45415T1 (en) 1989-08-15
EP0127611A2 (en) 1984-12-05
DE3479335D1 (en) 1989-09-14

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