EP0303254B1 - Elongate lighting fixture - Google Patents

Elongate lighting fixture Download PDF

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Publication number
EP0303254B1
EP0303254B1 EP88113006A EP88113006A EP0303254B1 EP 0303254 B1 EP0303254 B1 EP 0303254B1 EP 88113006 A EP88113006 A EP 88113006A EP 88113006 A EP88113006 A EP 88113006A EP 0303254 B1 EP0303254 B1 EP 0303254B1
Authority
EP
European Patent Office
Prior art keywords
fitting
displacement
foot plate
frame
housing
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 - Lifetime
Application number
EP88113006A
Other languages
German (de)
French (fr)
Other versions
EP0303254A1 (en
Inventor
Hadmar Kurzmann
Gerhard Dipl.-Ing. Lauckhardt (Fh)
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.)
Siemens AG
Original Assignee
Siemens AG
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 Siemens AG filed Critical Siemens AG
Priority to AT88113006T priority Critical patent/ATE77138T1/en
Publication of EP0303254A1 publication Critical patent/EP0303254A1/en
Application granted granted Critical
Publication of EP0303254B1 publication Critical patent/EP0303254B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • F21V19/00—Fastening of light sources or lamp holders
    • F21V19/02—Fastening of light sources or lamp holders with provision for adjustment, e.g. for focusing
    • 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
    • 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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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Fastening Of Light Sources Or Lamp Holders (AREA)
  • Non-Portable Lighting Devices Or Systems Thereof (AREA)
  • Securing Globes, Refractors, Reflectors Or The Like (AREA)
  • Vessels And Coating Films For Discharge Lamps (AREA)

Abstract

A long field lamp whose housing is provided for the optional insertion of different mirror arrangements in order to realize different radiation characteristics in accordance with desired demands. The long field lamp has different positions of the fluorescent tube dependent upon the mirror arrangement used. These different positions can be realized with mounts adjustable in vertical and horizontal directions. An adjustable mount has a holder composed of a frame for accepting the mount and has a foot plate attached and aligned perpendicularly thereto. For horizontal displacement, the foot plate is held in the region of an end wall of a lamp housing with clamp feet in displacement slots in a housing floor of the lamp housing. The vertical displacement of the mount is provided in that the mount is introduceable into the frame at differing distances from the foot plate.

Description

Technisches GebietTechnical field

Die Erfindung bezieht sich auf eine Langfeldleuchte, bestehend aus einem Leuchtengehäuse, einer in die Lichtaustrittsöffnung des Leuchtengehäuses einsetzbaren Spiegelanordnung sowie im Bereich der Stirnwände des Leuchtengehäuses sowohl horizontal als auch vertikal verstellbar angeordnete Fassungen für die Halterung und Kontaktierung wenigstens einer Leuchtstoffröhre.The invention relates to a linear luminaire, consisting of a luminaire housing, a mirror arrangement which can be inserted into the light outlet opening of the luminaire housing and, in the region of the end walls of the luminaire housing, both horizontally and vertically adjustable sockets for holding and contacting at least one fluorescent tube.

Zugrundeliegender Stand der TechnikUnderlying state of the art

Beispielsweise durch die Literaturstelle DE-U 1 641 917 ist es bekannt, die Leuchtstoffröhre so in ihren Fassungen im Leuchtengehäuse zu befestigen, daß hierbei nach Wunsch ihre Lage relativ zur Spiegelanordnung in vorgegebenen Grenzen verändert werden kann. Auf diese Weise läßt sich die Strahlcharakteristik der Leuchte unterschiedlichen Anforderungen besser anpassen. Entsprechendes gilt für den Fall, daß zur Typenbegrenzung wahlweise in ein Leuchtengehäuse mit fest vorgegebenen Abmessungen verschiedene Spiegelanordnungen einsetzbar sind und hierbei jeder Spiegelanordnung eine fest vorgegebene Lage der Leuchtstoffröhre zugeordnet ist, wobei diese Lage abhängig von der verwendeten Spiegelanordnung jeweils eine andere ist.For example, from the document DE-U 1 641 917 it is known to fix the fluorescent tube in its sockets in the luminaire housing in such a way that its position relative to the mirror arrangement can be changed within predetermined limits if desired. In this way, the beam characteristics of the lamp can be better adapted to different requirements. The same applies in the event that, for type limitation, different mirror arrangements can be used in a luminaire housing with fixed dimensions and each mirror arrangement is assigned a fixed position of the fluorescent tube, this position being different depending on the mirror arrangement used.

Die verstellbare Anordnung der Fassungen in der Weise, daß sie jeweils an einem verstellbaren oder schwenkbaren Hebel im Bereich der Gehäusestirnwand befestigt sind, stellt einen relativ großen technischen Aufwand dar. Zwar besteht, wie die Literaturstelle DE-A 22 52 991 zeigt, die Möglichkeit, die Fassung an vorgegebenen verschiedenen Stellen an der Stirnwand des Leuchtengehäuses dadurch nach Wahl zu befestigen, daß in der Stirnwand an den angegebenen Stellen teilweise ausgeschnittene Blechlappen vorgesehen werden. Je nach Notwendigkeit können diese Blechlappen zur Halterung einer Fassung in einer vorgegebenen Lage hochgebogen und die Fassungen hierin verankert werden. Eine solche Befestigung der Fassungen erschwert in außerordentlicher Weise nachträglich wünschenswerte Lageänderungen und setzt außerdem hierfür Spezialwerkzeug voraus.The adjustable arrangement of the sockets in such a way that they are each fastened to an adjustable or pivotable lever in the region of the housing end wall represents a relatively great technical outlay. As the literature reference DE-A 22 52 991 shows, there is the possibility of to fix the socket at predetermined different locations on the front wall of the lamp housing by choosing that partially cut out in the front wall at the specified locations Sheet metal tabs are provided. Depending on the need, these metal tabs can be bent up to hold a frame in a predetermined position and the frames can be anchored therein. Such an attachment of the sockets makes it extremely difficult to subsequently change the position and also requires special tools for this.

Offenbarung der ErfindungDisclosure of the invention

Der Erfindung liegt die Aufgabe zugrunde, für eine Langefeldleuchte der einleitend beschriebenen Art eine weitere Lösung für eine Fassungsverstellung anzugeben, die mit einem Minimum an technischem Mehraufwand auskommt, und zwar bei Gewährleistung einer schnell und ohne Werkzeug auszuführenden Verstellung.The object of the invention is to provide a further solution for a lampholder adjustment for a long field luminaire of the type described in the introduction, which solution requires a minimum of additional technical effort, while ensuring an adjustment which can be carried out quickly and without tools.

Diese Aufgabe wird gemäß der Erfindung durch die im Schutzanspruch 1 angegebenen Merkmale gelöst.This object is achieved according to the invention by the features specified in claim 1.

Der Erfindung liegt die Erkenntnis zugrunde, daß die in einem Leuchtengehäuse zu befestigende Fassung in der Regel von einem Halter Gebrauch macht und es somit durch geeignete Gestaltung des Halters möglich ist, einerseits durch eine verschiebbare Befestigung des Halters am Gehäuseboden des Leuchtengehäuses und andererseits der höhenverstellbaren Anordnung der Fassung im Halter die gewünschte Verstellmöglichkeit in horizontaler und vertikaler Richtung in einfacher Weise wiederholbar und ohne Einsatz spezieller Werkzeuge zu verwirklichen.The invention is based on the finding that the socket to be fastened in a luminaire housing generally makes use of a holder and is therefore possible by suitable design of the holder, on the one hand by a displaceable fastening of the holder on the housing base of the luminaire housing and on the other hand the height-adjustable arrangement the holder in the holder, the desired adjustment in the horizontal and vertical direction can be easily repeated without using special tools.

Zweckmäßige Ausgestaltungen des Gegenstandes nach dem Patentanspruch 1 sind in den weiteren Schutzansprüchen 2 bis 4 angegeben.Appropriate embodiments of the subject matter according to claim 1 are specified in the further claims 2 to 4.

Kurze Beschreibung der ZeichnungBrief description of the drawing

In der Zeichnung bedeuten die der näheren Erläuterung der Erfindung dienenden Figuren

Fig. 1
die schematische Darstellung einer Langfeldleuchte mit eingesetzter Spiegelanordnung,
Fig. 2
die schematische Darstellung einer Langfeldleuchte mit verstellbaren Fassungen im Längsschnitt,
Fig. 3
bis 5 die Langfeldleuchte nach Fig. 2 im Querschnitt für unterschiedliche Lagestellung der Fassungen,
Fig. 6
einen Ausschnitt der Langfeldleuchte nach Fig. 5 im Bereich der verstellbaren Fassung,
Fig. 7
eine Aufsicht auf den Ausschnitt nach Fig. 6.
In the drawing, the figures used to explain the invention in more detail
Fig. 1
the schematic representation of a linear luminaire with an inserted mirror arrangement,
Fig. 2
the schematic representation of a linear luminaire with adjustable sockets in longitudinal section,
Fig. 3
to 5 the linear luminaire according to FIG. 2 in cross section for different position of the sockets,
Fig. 6
5 in the area of the adjustable socket,
Fig. 7
a view of the section of FIG. 6th

Bester Weg zur Ausführung der NeuerungBest way to implement the innovation

Die schematische Darstellung nach Fig. 1 zeigt im Querschnitt ein kastenförmiges Leuchtengehäuse 1 mit Seitenlängswänden 1.1 und einem Gehäuseboden 1.2, wie es üblicherweise für eine in einer Zwischendecke einzubauende Langfeldleuchte vorgesehen wird. Je nach Anforderungen an die Strahlcharakteristik einer solchen Langfeldleuchte, können von seiten der Lichtaustrittsöffnung in das Leuchtengehäuse 1 verschiedene Spiegelanordnungen eingesetzt werden. Die in Fig. 1 angegebene Spiegelanordnung besteht aus zwei parabolisch gekrümmten Seitenspiegeln 2 und 3 sowie quer hierzu angeordneten, lediglich in unterbrochener Linie angedeuteten Spiegel-Raster-Lamellen 4. Die Leuchtstofflampe 5 kann in ihrer Fassung zur Veränderung der Strahlcharakteristik vertikal nach unten in die durch den in unterbrochener Linie gezeichneten Kreis 5.1 verstellt werden. Weiterhin deutet der unterbrochene Kreis 5.2 eine mögliche horizontale Verstellung der Leuchtstofflampe 5 an, die jedoch bei der in Fig. 1 dargestellten Spiegelanordnung nicht in Frage kommt.The schematic representation according to FIG. 1 shows in cross section a box-shaped luminaire housing 1 with side longitudinal walls 1.1 and a housing base 1.2, as is usually provided for a linear luminaire to be installed in a false ceiling. Depending on the requirements of the beam characteristic of such a linear luminaire, different mirror arrangements can be used from the side of the light exit opening in the luminaire housing 1. The mirror arrangement shown in FIG. 1 consists of two parabolically curved side mirrors 2 and 3 and transversely arranged mirror raster lamellae 4, which are only indicated in broken lines. The version of the fluorescent lamp 5 can be changed vertically downwards into the through to change the beam characteristic the circle 5.1 drawn in a broken line can be adjusted. Furthermore, the broken circle 5.2 indicates a possible horizontal adjustment of the fluorescent lamp 5, which, however, is out of the question for the mirror arrangement shown in FIG. 1.

Eine mit einer solchen Fassungsverstellung ausgerüstete Langfeldleuchte ist in Fig. 2 im Längsschnitt dargestellt. Jeder der Fassungen 6, in die die Leuchtstofflampe 5 eingesetzt ist, ist hierbei ein Halter 7 zugeordnet, der dabei nach Art eines Ständers aus einer Fußplatte 7.2 mit einem sich über der Fußplatte 7.2 erhebenden, die Fassung 6 aufnehmenden Rahmen 7.1 besteht. Der Halter 7 ist jeweils in unmittelbarer Nähe der Stirnwand 1.3 des Leuchtengehäuses 1 angeordnet und über seine Fußplatte 7.2 am Gehäuseboden 1.2 befestigt. Hierzu weist die Fußplatte 7.2 an ihrer Unterseite in Richtung des Einsetzens der Fassung 6 in den Rahmen 7.1 hintereinander zwei Klemmfüße 7.21 auf, mit denen sie in zwei in Fig. 7 dargestellte, parallel zu den Stirnwänden 1.3 verlaufende Verschiebeschlitze 1.21 im Gehäuseboden 1.2 kraftschlüssig eingreift.A linear luminaire equipped with such a lampholder adjustment is shown in longitudinal section in FIG. 2. Each of the sockets 6, in which the fluorescent lamp 5 is inserted, is assigned a holder 7, which in the manner of a stand consists of a base plate 7.2 with an over the Elevating base plate 7.2, the frame 6 accommodating frame 7.1. The holder 7 is arranged in the immediate vicinity of the end wall 1.3 of the lamp housing 1 and is fastened to the housing base 1.2 via its base plate 7.2. For this purpose, the base plate 7.2 has on its underside in the direction of the insertion of the socket 6 in the frame 7.1 two clamping feet 7.21 one behind the other, with which it engages non-positively in two sliding slots 1.21 in the housing base 1.2 shown in FIG. 7 and running parallel to the end walls 1.3.

In der ersten Querschnittsdarstellung der Langfeldleuchte nach Fig. 3 ist die Fassung 6 im Leuchtengehäuse 1 in der durch die Leuchtstofflampe 5 nach Fig. 1 angegebenen Lage. Die Fassung, die im Rahmen 7.1 des Halters 7 in vertikaler Richtung verstellbar einsetzbar ist, weist an ihrer Außenseite zwei sich gegenüberliegende Haltestege 6.1 auf, mit denen sie entsprechend ihrer gewünschten vertikalen Lage in eines der Führungsnutpaare 7.11 und 7.12 des Rahmens 7.1 eingreift. In Fig. 3 hat die Fassung 6 zur Fußplatte 7.2 am Gehäuseboden 1.2 des Leuchtengehäuses 1 den kleinsten Abstand und greift mit ihren Haltestegen 6.1 in das Nutführungspaar 7.12 des Rahmens 7.1 ein.In the first cross-sectional illustration of the linear luminaire according to FIG. 3, the socket 6 in the luminaire housing 1 is in the position indicated by the fluorescent lamp 5 according to FIG. 1. The socket, which can be inserted in the frame 7.1 of the holder 7 in the vertical direction, has on its outside two opposing retaining webs 6.1, with which it engages in one of the pairs of guide grooves 7.11 and 7.12 of the frame 7.1 in accordance with its desired vertical position. In Fig. 3, the socket 6 has the smallest distance from the base plate 7.2 on the housing base 1.2 of the lamp housing 1 and engages with its retaining webs 6.1 in the groove guide pair 7.12 of the frame 7.1.

Die Darstellung der Langfeldleuchte nach Fig. 4 entspricht der nach Fig. 3 mit dem Unterschied, daß hier die Fassung 6 mit ihren Haltestegen 6.1 in das Führungsnutpaar 7.11 eingreift, also nunmehr in Richtung der Lichtaustrittsöffnung des Leuchtengehäuses 1 entsprechend der angegebenen Pfeilrichtung in eine Stellung übergeführt ist, die der Lage des Kreises 5.1 nach Fig. 1 entspricht.4 corresponds to that of FIG. 3 with the difference that here the socket 6 engages with its retaining webs 6.1 in the pair of guide grooves 7.11, that is to say in the direction of the light outlet opening of the lamp housing 1 in accordance with the direction of the arrow indicated is, which corresponds to the position of the circle 5.1 of FIG. 1.

Die Darstellung der Langfeldleuchte nach Fig. 5 entspricht der nach Fig. 4 mit dem Unterschied, daß nunmehr der Halter 7 einschließlich Fassung 6 parallel zu den Stirnwänden 1.3 in Pfeilrichtung nach rechts in den Verschiebeschlitzen 1.21 im Gehäuseboden 1.2 in die eine seiner beiden Schiebeendstellungen gebracht ist, die in Fig. 1 durch den Kreis 5.2 angegeben ist.5 corresponds to that of FIG. 4 with the difference that now the holder 7 including socket 6 parallel to the end walls 1.3 in the direction of the arrow to the right in the sliding slots 1.21 in the housing base 1.2 in one of its two sliding end positions is brought, which is indicated in Fig. 1 by the circle 5.2.

Wie der durch einen Kreis markierte und in Fig. 6 dargestellte Ausschnitt nach Fig. 5 und die in Fig. 7 dargestellte Aufsicht auf diesen Aufschnitt erkennen lassen, weist die Fußplatte 7.2 an ihrer Unterseite in Schieberichtung zu beiden Seiten eines Klemmfußes 7.21 zusätzlich einen Rastnocken 7.22 auf, deren jeweiliger in Fig. 7 angegebener Abstand a zum zugehörigen Klemmfuß 7.21 gleich der maximalen Verschiebestrecke des Halters 7 in den Verschiebeschlitzen 1.21 zwischen seinen beiden Schiebeendstellungen gewählt ist. Auf diese Weise wird erreicht, daß beim horizontalen Verschieben des Halters 7 in den Verschiebeschlitzen 1.21 bis zum Anschlag der Klemmfüße 7.21 an einem der beiden Enden der Verschiebeschlitze, die den Klemmfüßen 7.21 zugehörigen Rastnocken an dem anderen der beiden Enden in die Verschiebeschlitze 1.21 eingreifen. Bei der Darstellung nach den Figuren 6 und 7 sind es die beiden linken Rastnocken 7.22, die bei der dargestellten Schiebeendstellung des Halters 7 zusätzlich in die Verschiebeschlitze 1.21 eingreifen.As can be seen from the section of FIG. 5 marked by a circle and shown in FIG. 6 and the plan view of this section shown in FIG. 7, the base plate 7.2 additionally has a detent cam 7.22 on both sides of a clamping foot 7.21 in the sliding direction 7, the respective distance a to the associated clamping foot 7.21 shown in FIG. 7 is selected to be the maximum displacement distance of the holder 7 in the displacement slots 1.21 between its two sliding end positions. In this way it is achieved that when the holder 7 is horizontally displaced in the sliding slots 1.21 up to the stop of the clamping feet 7.21 on one of the two ends of the sliding slots, the locking cams associated with the clamping feet 7.21 engage in the sliding slots 1.21 on the other of the two ends. In the illustration according to FIGS. 6 and 7, it is the two left locking cams 7.22 which additionally engage in the displacement slots 1.21 in the illustrated sliding end position of the holder 7.

Gewerbliche VerwertbarkeitCommercial usability

Die beschriebene Langfeldleuchte kann in verschiedenen Bestückungsvarianten sowohl als Pendelleuchte als auch als Deckeneinbauleuchte in Innenräumen zur Anwendung kommen.The described linear luminaire can be used in various configurations, both as a pendant luminaire and as a recessed ceiling luminaire indoors.

Claims (4)

  1. Elongate lighting fixture, consisting of a light housing (1), a mirror arrangement (2, 3) which can be inserted into the light exit opening of the light housing, and of fittings (6), arranged both horizontally and vertically adjustably in the region of the end walls (1.3) of the light housing, for holding and forming contact with at least one fluorescent lamp (5), characterised in that each fitting (6) is assigned a holder (7) which, in the manner of a stand, consists of a foot plate (7.2) with a frame (7.1) which rises perpendicularly above the foot plate (7.2), is open on the side of the fluorescent lamp (5) and receives the fitting (6),
    in that the fitting (6) can be inserted into the opening of the frame (7.1) above the foot plate (7.2) at at least two different distances from the foot plate (7.2) for the purpose of vertical adjustment,
    in that the foot plate (7.2) has on its side facing away from the frame (7.1) at least two resilient clamp feet (7.21) which are arranged one behind the other at a predetermined mutual distance (a) in the direction of insertion of the fitting (6) into the frame (7.1) and in that the holder (7) engages, for the purpose of horizontal adjustment of the fitting, with its foot plate-side clamp feet (7.21), which are provided near to the housing end sides (1.3) and parallel thereto in the housing floor (1.2) of the light housing (1), in a nonpositively locking manner in displacement slots (1.21) in which it can be displaced.
  2. Elongate lighting fixture according to Claim 1, characterised in that the holder (7) which can be displaced in the displacement slots (1.21) on the housing floor (1.2) determines in its two displacement limit positions the two displacement positions of a fitting (6) in the horizontal direction.
  3. Elongate lighting fixture according to Claim 1 or 2, characterised in that the dimensioning of the width of the foot plate (7.2) perpendicular to the insertion direction of the fitting (6) into the frame (7.1) is somewhat larger than twice the distance (a) of the holder (7) between its two displacement limit positions,
    in that a catch cam (7.22) is provided in the displacement direction on both sides of each clamp foot (7.21) at said distance (a), also on the underside of the foot plate (7.2) and
    in that, depending on one of the selected displacement limit positions of the holder (7), the one or the other of the two catch cams (7.22) assigned to a clamp foot (7.21) also engages in the respective displacement slot (1.21) with the effect of locking this selected displacement limit position.
  4. Elongate lighting fixture according to one of the preceding claims, characterised in that the frame (7.1) of the holder (7) receiving the fitting (6) has in its extent on opposite sides guide groove pairs (7.11, 7.12) arranged one on top of the other and extending perpendicularly with respect to its extent, and in that the fitting (6) has on its outside two retaining webs (6.1) which are opposite one another and with which said fitting, when inserted into the frame (7.1), engages in one of the guide groove pairs in accordance with a desired displacement position in the vertical direction.
EP88113006A 1987-08-13 1988-08-10 Elongate lighting fixture Expired - Lifetime EP0303254B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT88113006T ATE77138T1 (en) 1987-08-13 1988-08-10 LINEAR LUMINAIRE.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE8711056U DE8711056U1 (en) 1987-08-13 1987-08-13 Linear luminaire
DE8711056U 1987-08-13

Publications (2)

Publication Number Publication Date
EP0303254A1 EP0303254A1 (en) 1989-02-15
EP0303254B1 true EP0303254B1 (en) 1992-06-10

Family

ID=6811064

Family Applications (1)

Application Number Title Priority Date Filing Date
EP88113006A Expired - Lifetime EP0303254B1 (en) 1987-08-13 1988-08-10 Elongate lighting fixture

Country Status (5)

Country Link
US (1) US4811177A (en)
EP (1) EP0303254B1 (en)
AT (1) ATE77138T1 (en)
DE (2) DE8711056U1 (en)
NO (1) NO883631L (en)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5111371A (en) * 1990-10-22 1992-05-05 Sterner Lighting Systems Incorporated Arc-stream correcting lamp holder
US6079849A (en) * 1997-06-09 2000-06-27 Baliozian; Mardick Lighting device
WO2001020223A2 (en) * 1999-09-17 2001-03-22 Brightline, L.P. Adjustable fluorescent lighting fixtures
DE10303934A1 (en) * 2003-01-31 2004-08-12 Zumtobel Staff Gmbh Holding device for two lamp holders
US6945671B1 (en) * 2003-09-05 2005-09-20 Toni F. Swarens Compact fluorescent lighting unit with adjustable beam spread
US20060198134A1 (en) * 2005-03-01 2006-09-07 Fowler Wilton L Jr Fluorescent wall wash luminaire with a sliding mechanism for adjusting lamp position
US7175312B2 (en) * 2005-03-01 2007-02-13 Hubbell Incorporated Fluorescent wall wash luminaire with adjustable lamp automatically detented in position by a spring latch
US9310037B2 (en) 2012-02-08 2016-04-12 Brightline, Inc. Motorized lighting fixture with motor and light dimming control
US10408394B2 (en) * 2017-02-01 2019-09-10 Current Lighting Solutions, Llc LED retrofit lighting apparatus for a light fixture

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AT160754B (en) * 1936-01-21 1942-01-10 Hans Kattwinkel Multi-disc brake for heavy, high-speed vehicles, especially railroad cars.
US2399531A (en) * 1943-08-23 1946-04-30 Gen Electric Fixture for tubular lamps
DE1641917U (en) * 1952-05-24 1952-08-07 Vulkan Ag FLUORESCENT LAMP LAMP WITH LIGHT POINT ADJUSTMENT DEVICE.
GB972721A (en) * 1962-03-16 1964-10-14 Lionel David Moss Improvements in or relating to flourescent lamp holders and fittings
FR1534064A (en) * 1967-06-16 1968-07-26 Saunier Duval Lighting lantern improvements
US3742203A (en) * 1971-09-10 1973-06-26 J Noe Adjustably illuminated picture frame
DE2252991A1 (en) * 1972-10-28 1974-05-02 Zeiss Ikon Ag LIGHTS FOR ONE OR MORE MIRRORS
CA1061759A (en) * 1977-02-25 1979-09-04 Gerard E. Mulvey Lighting fixture
US4238815A (en) * 1978-06-29 1980-12-09 Edison Price, Incorporated Recessed light fixture

Also Published As

Publication number Publication date
NO883631D0 (en) 1988-08-15
DE3871876D1 (en) 1992-07-16
US4811177A (en) 1989-03-07
ATE77138T1 (en) 1992-06-15
DE8711056U1 (en) 1987-10-01
EP0303254A1 (en) 1989-02-15
NO883631L (en) 1989-02-14

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