EP0836045B1 - Free standing lamp - Google Patents

Free standing lamp Download PDF

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Publication number
EP0836045B1
EP0836045B1 EP97115309A EP97115309A EP0836045B1 EP 0836045 B1 EP0836045 B1 EP 0836045B1 EP 97115309 A EP97115309 A EP 97115309A EP 97115309 A EP97115309 A EP 97115309A EP 0836045 B1 EP0836045 B1 EP 0836045B1
Authority
EP
European Patent Office
Prior art keywords
lamp
heads
light
plastic body
standing
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.)
Revoked
Application number
EP97115309A
Other languages
German (de)
French (fr)
Other versions
EP0836045A3 (en
EP0836045A2 (en
Inventor
Wolfgang Mitschke
Volker Knauff
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.)
Ansorg GmbH
Original Assignee
Ansorg 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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=8030493&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=EP0836045(B1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Ansorg GmbH filed Critical Ansorg GmbH
Publication of EP0836045A2 publication Critical patent/EP0836045A2/en
Publication of EP0836045A3 publication Critical patent/EP0836045A3/en
Application granted granted Critical
Publication of EP0836045B1 publication Critical patent/EP0836045B1/en
Anticipated expiration legal-status Critical
Revoked legal-status Critical Current

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Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21LIGHTING
    • F21SNON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • F21S6/00Lighting devices intended to be free-standing
    • F21S6/005Lighting devices intended to be free-standing with a lamp housing maintained at a distance from the floor or ground via a support, e.g. standing lamp for ambient lighting
    • F21S6/006Lighting devices intended to be free-standing with a lamp housing maintained at a distance from the floor or ground via a support, e.g. standing lamp for ambient lighting for direct lighting only, e.g. task lighting
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21LIGHTING
    • F21VFUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V3/00Globes; Bowls; Cover glasses
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21LIGHTING
    • F21YINDEXING 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
    • F21Y2103/00Elongate light sources, e.g. fluorescent tubes

Abstract

The light heads (3) have at least one elongated light source (4), side reflectors (5), a light-permeable base (6) and an upper side prism glass covering (7). The light heads at their one long side end are connected pivotably around a vertical rotary axis (8) to the cross rail (2). The light heads (3) have a removable, translucent plastics body (9), formed as a push part. The prism glass covering encompasses both the light-permeable base on the long sides and the face side turned away from the rotary axis. The plastics body is made of a satinised polymethacrylate, and incorporates an exchangeable inlay (11) made of a coloured material strip.

Description

Die Erfindung betrifft eine Stehleuchte, insbesondere zur Ausleuchtung von Bildschirmarbeitsplätzen.The invention relates to a floor lamp, in particular for Illumination of computer workstations.

Bei Bildschirmarbeitsplätzen trifft man vielfach Arbeitstische an, die in Zweiergruppen angeordnet sind. Verbreitet ist eine L-förmige Anordnung von Schreibtisch oder Ablageplatte einerseits und Arbeitstisch mit Monitor und Tastatur andererseits. Daneben sind in Längsrichtung nebeneinander angeordnete Arbeitstische sowie Kopf-an-Kopf Anordnungen gebräuchlich. Gefordert wird eine blendfreie Ausleuchtung der Arbeitsplätze. Ferner sollte eine in modernen Büros eingesetzte Leuchte zur Raumausleuchtung beitragen und sich durch eine dekorative Lichtwirkung auszeichnen.You often come across VDU workstations Worktables arranged in groups of two. An L-shaped arrangement of a desk is common or shelf on one hand and work table with monitor and keyboard on the other. Next to it are in the longitudinal direction side-by-side work tables and head-to-head Arrangements in use. One is required glare-free illumination of the workplaces. Furthermore, should a lamp used in modern offices Contribute to the lighting of the room and stand out through distinguish decorative lighting effect.

Aus der US 2,555,000 ist eine Stehleuchte bekannt, welche einen Ständer aufweist, der aus einem Fuß und zwei parallelen vertikalen Rohren besteht. Die beiden Rohre sind an ihrem dem Fußende gegenüberliegenden Ende durch ein auf sie aufgeschobenes Verbindungsteil fest zueinander positioniert. Die Stehleuchte umfaßt weiterhin zwei Leuchtenköpfe, die jeweils auf einem der vertikalen Rohre drehbar gelagert sind. Die Leuchtenköpfe liegen jeweils auf dem Verbindungsteil auf, welches ein Abrutschen der Leuchtenköpfe auf den Rohren in Richtung des Fußendes verhindert und dadurch gewährleistet, daß die beiden Leuchtenköpfe in gleicher Höhe gegenüber dem Fußende drehbar gelagert sind. Auf den in die Leuchtenköpfe jeweils hineinragenden Enden der Rohre ist jeweils ein Kragen angebracht, welcher die Leuchtenköpfe in einem Winkel von 90° gegenüber den Rohren stabilisiert und verhindert, daß die Leuchtenköpfe in vertikaler Richtung von oben von den Rohren abgezogen werden können. Das Verbindungsteil weist einen Anschlag auf, welcher im Zusammenwirken mit einer ebenen Begrenzungsfläche des Gehäuses der Leuchtenköpfe bewirkt, daß der Schwenkwinkel für jeden der Leuchtenköpfe in der Horizontalen auf ca. 90° begrenzt ist.A floor lamp is known from US 2,555,000, which has a stand consisting of a foot and two parallel vertical pipes. The two pipes are through at their end opposite the foot end a connector slid onto it positioned to each other. The floor lamp also includes two lamp heads, each on one of the vertical Pipes are rotatably mounted. The lamp heads are lying each on the connecting part, which one The lamp heads on the tubes slide in the direction prevents the foot end and thereby ensures that the two lamp heads at the same height compared to the Foot end are rotatably mounted. On the in the Luminaire heads each protruding ends of the tubes a collar attached to each of the lamp heads stabilized at an angle of 90 ° to the pipes and prevents the lamp heads in vertical Direction from above can be withdrawn from the pipes. The connecting part has a stop, which in Cooperation with a flat boundary surface of the Housing of the lamp heads causes the swivel angle for each of the lamp heads in the horizontal to approx. Is limited to 90 °.

Davon ausgehend liegt der Erfindung die Aufgabe zugrunde, eine Stehleuchte mit zwei Leuchtenköpfen dahingehend weiterzubilden, daß ihr Ständeraufbau konstruktiv vereinfacht wird.Proceeding from this, the object of the invention is a floor lamp with two lamp heads in this regard to further develop that their stand structure is constructive is simplified.

Gegenstand der Erfindung und Lösung dieser Aufgabe ist eine Stehleuchte mit einem Ständer und zwei Leuchtenköpfen, welche jeweils mindestens eine längliche Lichtquelle und einen lichtdurchlässigen Boden aufweisen und welche jeweils an einem ihrer längsseitigen Enden um eine vertikale Drehachse in der Horizontalen schwenkbar sind, die dadurch gekennzeichnet ist, daß ein auf dem Ständer aufgesetzter Querholm vorgesehen ist, an dem die jeweils Seitenreflektoren und eine oberseitige Prismenglasabdeckung aufweisenden Leuchtenköpfe jeweils in der Horizontalen schwenkbar angeschlossen sind.The object of the invention and solution to this problem is a floor lamp with a stand and two Luminaire heads, each of which is at least one elongated Have light source and a translucent bottom and which each at one of their longitudinal ends a vertical axis of rotation can be swiveled horizontally are characterized in that one on the Stand mounted cross member is provided on which each with side reflectors and an upper side Luminaire heads with prismatic glass covers each are pivotally connected in the horizontal.

Die Leuchtenköpfe sind um zumindest 180° in der Horizontalen schwenkbar. Dadurch sind sie in jedem beliebigen Winkel zueinander ausrichtbar. Als Lichtquellen sind Kompakt-Leuchtstofflampen bevorzugt. Der lichtdurchlässige Boden ist beispielsweise als Lochboden oder Lamellenboden ausführbar. Das Licht tritt teils direkt und teils an den Seitenreflektoren gebündelt blendfrei nach unten aus. Ferner wird durch die Prismenglasabdeckung Streulicht nach oben abgegeben, welches zur Raumausleuchtung beiträgt.The lamp heads are at least 180 ° in the horizontal pivotable. As a result, they are at any angle to each other aligned. Compact fluorescent lamps are the light sources prefers. The translucent floor is for example, as a perforated floor or lamella floor. The light comes partly directly and partly at the side reflectors bundled down glare-free. Furthermore, by the prismatic glass cover emits scattered light upwards, which contributes to room lighting.

In weiterer Ausgestaltung lehrt die Erfindung, daß die Leuchtenköpfe einen abnehmbaren, transluzenten Kunststoffkörper aufweisen, der als Schubteil ausgebildet ist und die Prismenglasabdeckung sowie den lichtdurchlässigen Boden an den Längsseiten sowie der zur Drehachse abgewandten Stirnseite randseitig umfaßt. Vorzugsweise besteht der Kunststoffkörper aus einem satinierten Polymethacrylat, auch Acrylglas genannt (Ullmann's Enzyklopädie der technischen Chemie, 4. Auflage 1980, Band 19, Seiten 22-26). An der Prismenglasabdeckung gestreutes Licht tritt durch die auf der Prismenglasabdeckung aufliegenden Ränder des Kunststoffkörpers in den Kunststoffkörper ein. Dort wird das Licht geleitet und tritt an den wandseitigen Flächen leicht diffus mit von oben nach unten abnehmender Beleuchtungsstärke aus. Nach bevorzugter Ausführung der Erfindung enthält der transluzente Kunststoffkörper eine austauschbare Einlage aus einem farbigen Materialstreifen. Durch Austausch des hinterlegten Materialstreifens sind unterschiedliche Farbgebungen möglich und die optische Wirkung der Stehleuchte an die Raumgestaltung anpaßbar. In a further embodiment, the invention teaches that Lamp heads a removable, translucent plastic body have, which is designed as a push part and the prismatic glass cover and the translucent Bottom on the long sides and that facing away from the axis of rotation Front side embraces on the edge. Preferably there is the plastic body made of a satin polymethacrylate, also called acrylic glass (Ullmann's encyclopedia of technical Chemistry, 4th edition 1980, volume 19, pages 22-26). On scattered light passes through the prismatic glass cover edges of the plastic body resting on the prismatic glass cover into the plastic body. There it will Light conducts and easily enters the wall surfaces diffuse with decreasing illuminance from top to bottom out. According to a preferred embodiment of the invention contains the translucent plastic body is an interchangeable one Inlay made from a colored strip of material. Through exchange of the deposited material strip are different Colorings possible and the visual effect of the Floor lamp adaptable to the interior design.

Eine ästhetisch besonders ansprechende Gestaltung ergibt sich ferner, wenn das der Drehachse zugeordnete Ende des Leuchtenkopfes als lichtundurchlässiges Gehäuse gestaltet ist, dessen Außenkontur an die Form des transluzenten Kunststoffkörpers angepaßt ist.An aesthetically particularly appealing design results furthermore when the end of the axis of rotation assigned Luminaire head designed as an opaque housing is, the outer contour of the shape of the translucent Plastic body is adjusted.

Im folgenden wird die Erfindung anhand einer lediglich ein Ausführungsbeispiel darstellenden Zeichnung ausführlich erläutert. Es zeigen schematisch

Fig. 1
den oberen Teil einer Stehleuchte für einen Bildschirmarbeitsplatz mit zwei Arbeitstischen, in perspektivischer Darstellung,
Fig. 2
den Schnitt A-A in Fig. 1
Fig. 3 bis 5
die Stehleuchte in Fig. 1 mit verschiedenen Stellungen der Leuchtenköpfe.
In the following, the invention is explained in detail with reference to a drawing that shows only one exemplary embodiment. They show schematically
Fig. 1
the upper part of a floor lamp for a computer workstation with two work tables, in a perspective view,
Fig. 2
the section AA in Fig. 1st
3 to 5
the floor lamp in Fig. 1 with different positions of the lamp heads.

Zum grundsätzlichen Aufbau der in den Figuren dargestellten Stehleuchte gehören ein Ständer 1, ein auf dem Ständer 1 aufgesetzter Querholm 2 und zwei an dem Querholm 2 befestigte Leuchtenköpfe 3. Die Leuchtenköpfe 3 weisen zwei Kompakt-Leuchtstofflampen 4 als längliche Lichtquelle, Seitenreflektoren 5, einen lichtdurchlässigen Boden 6 und eine oberseitige Prismenglasabdeckung 7 auf. Die Leuchtenköpfe 3 sind an ihrem einen längsseitigen Ende um eine vertikale Drehachse 8 schwenkbar an dem Querholm 2 angeschlossen. Die Anordnung ist so getroffen, daß die Leuchtenköpfe 3 um 180° in der Horizontalen schwenkbar sind. Dadurch ergeben sich die in den Figuren 3 bis 5 beispielhaft dargestellten Möglichkeiten zur Ausrichtung der Leuchtenköpfe 3.For the basic structure of those shown in the figures Floor lamp include a stand 1, one on the stand 1 cross bar 2 and two on cross bar 2 attached lamp heads 3. The lamp heads 3 have two Compact fluorescent lamps 4 as an elongated light source, Side reflectors 5, a translucent bottom 6 and a top prismatic glass cover 7. The lamp heads 3 are at one longitudinal end around a vertical Axis of rotation 8 pivotally connected to the cross member 2. The arrangement is such that the lamp heads 3 are pivotable by 180 ° in the horizontal. This results in the examples in Figures 3 to 5 shown ways to align the Luminaire heads 3.

Einer vergleichenden Betrachtung der Figuren 1 und 2 entnimmt man, daß die Leuchtenköpfe 3 einen abnehmbaren transluzenten Kunststoffkörper 9 aufweisen, der als Schubteil ausgebildet ist und die Prismenglasabdeckung 7 sowie den lichtdurchlässigen Boden 6 an den Längsseiten sowie der zur Drehachse 8 abgewandten Stirnseite randseitig umfaßt. Vorzugsweise besteht der Kunststoffkörper 9 aus einem satinierten Polymethacrylat. An der Prismenglasabdeckung 7 gestreutes Licht tritt durch die randseitige Auflageflächen 10 in den Kunststoffkörper 9 ein. Das Licht wird in dem transluzenten Kunststoffkörper 9 geleitet und tritt an den wandseitigen Flächen leicht diffus mit von oben nach unten abnehmender Beleuchtungsstärke aus. Der Kunststoffkörper 9 enthält eine austauschbare Einlage 11 aus einem farbigen Materialstreifen. Den Figuren entnimmt man ferner, daß das der Drehachse 8 zugeordnete Ende des Leuchtenkopfes als lichtundurchlässige Gehäuse 12 gestaltet ist, dessen Außenkontur an die Form des transluzenten Kunststoffkörpers 9 angepaßt ist.A comparative view of Figures 1 and 2 one that the lamp heads 3 a removable Have translucent plastic body 9, the as Push part is formed and the prismatic glass cover 7 and the translucent bottom 6 on the long sides and the end face facing away from the axis of rotation 8 includes. The plastic body 9 preferably consists of a satin polymethacrylate. At the Prismatic glass cover 7 diffused light passes through edge-side contact surfaces 10 in the plastic body 9 on. The light is in the translucent plastic body 9 directed and kicks easily on the wall-side surfaces diffuse with decreasing from top to bottom Illuminance off. The plastic body 9 contains one interchangeable insert 11 from a colored Strip of material. The figures also show that the the axis of rotation 8 associated end of the lamp head as opaque housing 12 is designed, the Outer contour to the shape of the translucent plastic body 9 is adjusted.

Claims (6)

  1. A standing lamp, particularly for illuminating display workstations, having:
    a stand (1), and
    two lamp heads (3), which each have at least one oblong light source (4) and a light-transmitting floor (6) and which are each pivotable at one of their lengthwise-side ends around a vertical rotational axis in the horizontal; characterized in that a transverse spar (2) placed on the stand (1) is provided, on which the lamp heads (3), each having side reflectors (5) and an upper prism glass cover (7), are each attached so they are pivotable in the horizontal.
  2. The standing lamp according to Claim 1, wherein the lamp heads (3) have a removable translucent plastic body (9), which is implemented as a sliding part and encloses, on the edges, the prism glass cover (7) as well as light-transmitting floor (6) on the lengthwise sides and the front side facing away from rotational axis (8).
  3. The standing lamp according to Claim 2, wherein the plastic body (9) is made of a satinized polymethacrylate.
  4. The standing lamp according to Claim 2 or 3, wherein the translucent plastic body (9) contains a replaceable insert (11) made of a colored material strip.
  5. The standing lamp according to one of the preceding Claims 2 to 4, wherein the end of the lamp head (3) assigned to the rotational axis (8) is designed as an opaque housing (12), whose outer contour is tailored to the shape of the translucent plastic body (9).
  6. The standing lamp according to Claim 1, characterized in that the lamp heads (3) are each pivotable around at least 180° in the horizontal.
EP97115309A 1996-10-12 1997-09-04 Free standing lamp Revoked EP0836045B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE29617755U 1996-10-12
DE29617755U DE29617755U1 (en) 1996-10-12 1996-10-12 Floor lamp

Publications (3)

Publication Number Publication Date
EP0836045A2 EP0836045A2 (en) 1998-04-15
EP0836045A3 EP0836045A3 (en) 1998-12-02
EP0836045B1 true EP0836045B1 (en) 2002-05-08

Family

ID=8030493

Family Applications (1)

Application Number Title Priority Date Filing Date
EP97115309A Revoked EP0836045B1 (en) 1996-10-12 1997-09-04 Free standing lamp

Country Status (6)

Country Link
EP (1) EP0836045B1 (en)
AT (1) ATE217406T1 (en)
DE (2) DE29617755U1 (en)
DK (1) DK0836045T3 (en)
ES (1) ES2176575T3 (en)
PT (1) PT836045E (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1143194A1 (en) 2000-04-06 2001-10-10 Belux AG Standard lamp
DE202012104136U1 (en) * 2012-10-29 2014-02-04 Zumtobel Lighting Gmbh Luminaire with rotatable optical unit

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2555000A (en) * 1945-09-27 1951-05-29 Sylvania Electric Prod Fluorescent lighting fixture
US4300185A (en) * 1979-12-07 1981-11-10 C. W. Cole & Company, Inc. Light fixture unit for open plan office
JPS5686402A (en) * 1979-12-17 1981-07-14 Toshiba Electric Equip Illuminator
DE3222003A1 (en) * 1982-06-11 1983-12-15 Hans-Ulrich Prof. Dipl.-Designer 4000 Düsseldorf Bitsch SCREEN WORKPLACE LIGHT
SE8506155L (en) * 1985-12-27 1987-06-28 Selander O Inventor Ab DESKTOP LIGHTING OR OTHER WORKBOARDS
US5440467A (en) * 1994-04-22 1995-08-08 Steelcase Inc. Task light

Also Published As

Publication number Publication date
EP0836045A3 (en) 1998-12-02
DE59707211D1 (en) 2002-06-13
EP0836045A2 (en) 1998-04-15
DE29617755U1 (en) 1997-01-02
ATE217406T1 (en) 2002-05-15
PT836045E (en) 2002-09-30
ES2176575T3 (en) 2002-12-01
DK0836045T3 (en) 2002-07-15

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