EP0836045A2 - Free standing lamp - Google Patents

Free standing lamp Download PDF

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Publication number
EP0836045A2
EP0836045A2 EP97115309A EP97115309A EP0836045A2 EP 0836045 A2 EP0836045 A2 EP 0836045A2 EP 97115309 A EP97115309 A EP 97115309A EP 97115309 A EP97115309 A EP 97115309A EP 0836045 A2 EP0836045 A2 EP 0836045A2
Authority
EP
European Patent Office
Prior art keywords
plastic body
heads
lamp
translucent
light
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.)
Granted
Application number
EP97115309A
Other languages
German (de)
French (fr)
Other versions
EP0836045A3 (en
EP0836045B1 (en
Inventor
Wolfgang Mitschke
Wolfgang 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
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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

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • F21S6/00—Lighting devices intended to be free-standing
    • F21S6/005—Lighting 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
    • F21S6/006—Lighting 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
    • 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
    • F21V3/00—Globes; Bowls; Cover glasses
    • 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 floor lamp, in particular for Illumination of computer workstations.
  • the invention has for its object a floor lamp for a group of two desks to indicate the a glare-free illumination of the two within the Two sets of work tables that can be aligned as required and also contributes to room lighting.
  • the object of the invention and solution to this problem is a Floor lamp with stand, cross bar placed on the stand and two lamp heads attached to the cross bar, the lamp heads having at least one elongated light source, Side reflectors, a translucent floor and have a top prismatic glass cover and on one longitudinal end about a vertical axis of rotation are pivotally connected to the cross member.
  • the lamp heads are at least 180 ° in the horizontal swiveling. As a result, they are at any angle to each other alignable.
  • 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.
  • 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.
  • 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).
  • 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.
  • 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.
  • FIG. 1 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 a. 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 Strips 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.

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.In the case of VDU workstations, you often meet work tables arranged in groups of two. Spread is an L-shaped arrangement of desk or shelf on the one hand and work table with monitor and keyboard on the other hand. In addition, are next to each other in the longitudinal direction arranged work tables and head-to-head arrangements in use. Glare-free lighting is required of jobs. Furthermore, one should be in modern offices luminaire used to illuminate the room and itself characterized by a decorative lighting effect.

Der Erfindung liegt die Aufgabe zugrunde, eine Stehleuchte für eine Zweiergruppe von Arbeitstischen anzugeben, die eine blendfreie Ausleuchtung der beiden innerhalb der Zweiergruppe beliebig ausrichtbaren Arbeitstische gewährleistet und außerdem zur Raumausleuchtung beiträgt.The invention has for its object a floor lamp for a group of two desks to indicate the a glare-free illumination of the two within the Two sets of work tables that can be aligned as required and also contributes to room lighting.

Gegenstand der Erfindung und Lösung dieser Aufgabe ist eine Stehleuchte mit Ständer, auf dem Ständer aufgesetztem Querholm und zwei an dem Querholm befestigten Leuchtenköpfen, wobei die Leuchtenköpfe mindestens eine längliche Lichtquelle, Seitenreflektoren, einen lichtdurchlässigen Boden und eine oberseitige Prismenglasabdeckung aufweisen und an ihrem einen längsseitigen Ende um eine vertikale Drehachse schwenkbar an den Querholm angeschlossen sind. 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 object of the invention and solution to this problem is a Floor lamp with stand, cross bar placed on the stand and two lamp heads attached to the cross bar, the lamp heads having at least one elongated light source, Side reflectors, a translucent floor and have a top prismatic glass cover and on one longitudinal end about a vertical axis of rotation are pivotally connected to the cross member. The lamp heads are at least 180 ° in the horizontal swiveling. As a result, they are at any angle to each other alignable. 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 a. 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 Strips 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 (5)

Stehleuchte, insbesondere zur Ausleuchtung von Bildschirmarbeitsplätzen, mit Ständer (1), auf dem Ständer aufgesetztem Querholm (2) und zwei an dem Querholm (2) befestigten Leuchtenköpfen (3), wobei die Leuchtenköpfe (3) mindestens eine längliche Lichtquelle (4), Seitenreflektoren (5), einen lichtdurchlässigen Boden (6) und eine oberseitige Prismenglasabdeckung (7) aufweisen und an ihrem einen längsseitigen Ende um eine vertikale Drehachse (8) schwenkbar an dem Querholm (2) angeschlossen sind.Floor lamp, especially for illuminating VDU workstations with Stand (1), crossbar (2) and two lamp heads (3) attached to the cross member (2), wherein the lamp heads (3) have at least one elongated light source (4), side reflectors (5), a translucent base (6) and a top prismatic glass cover (7) and at their one longitudinal end about a vertical axis of rotation (8) pivotable on the crossbar (2) are connected. Stehleuchte nach Anspruch 1, wobei 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.Floor lamp according to claim 1, wherein the lamp heads (3) have a removable translucent plastic body (9), which is designed as a push part and the prismatic glass cover (7) and the translucent bottom (6) the long sides and the side facing away from the axis of rotation (8) Front side embraces on the edge. Stehleuchte nach Anspruch 2, wobei der Kunststoffkörper (9) aus einem satinierten Polymethacrylat besteht. Floor lamp according to claim 2, wherein the plastic body (9) consists of a satin polymethacrylate. Stehleuchte nach Anspruch 2 oder 3, wobei der transluzente Kunststoffkörper (9) eine austauschbare Einlage (11) aus einem farbigen Materialstreifen enthält.Floor lamp according to claim 2 or 3, wherein the translucent plastic body (9) an interchangeable Contains insert (11) from a colored strip of material. Stehleuchte nach einem der Ansprüche 2 bis 4, wobei das der Drehachse (8) zugeordnete Ende des Leuchtenkopfes (3) als lichtundurchlässiges Gehäuse (12) gestaltet ist, dessen Außenkontur an die Form des transluzenten Kunststoffkörpers (9) angepaßt ist.Floor lamp according to one of claims 2 to 4, wherein the end of the lamp head (3) assigned to the axis of rotation (8) is designed as an opaque housing (12), the Outer contour to the shape of the translucent plastic body (9) is adjusted.
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 true EP0836045A2 (en) 1998-04-15
EP0836045A3 EP0836045A3 (en) 1998-12-02
EP0836045B1 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)

Cited By (1)

* 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

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
ULLMANN: "Enzyklopaedie der Technischen Chemie", vol. 19, 1980, 4. AUFLAGE, pages: 22 - 26

Cited By (1)

* 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

Also Published As

Publication number Publication date
EP0836045A3 (en) 1998-12-02
EP0836045B1 (en) 2002-05-08
DE59707211D1 (en) 2002-06-13
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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