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EP0089713B1 - Lighting fitting - Google Patents

Lighting fitting Download PDF

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Publication number
EP0089713B1
EP0089713B1 EP83200327A EP83200327A EP0089713B1 EP 0089713 B1 EP0089713 B1 EP 0089713B1 EP 83200327 A EP83200327 A EP 83200327A EP 83200327 A EP83200327 A EP 83200327A EP 0089713 B1 EP0089713 B1 EP 0089713B1
Authority
EP
European Patent Office
Prior art keywords
supporting part
parts
extensions
tube
screen
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
EP83200327A
Other languages
German (de)
French (fr)
Other versions
EP0089713A1 (en
Inventor
Eric Jan Maria Hoefnagels
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.)
Profilight BV
Original Assignee
Profilight BV
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 Profilight BV filed Critical Profilight BV
Priority to AT83200327T priority Critical patent/ATE19297T1/en
Publication of EP0089713A1 publication Critical patent/EP0089713A1/en
Application granted granted Critical
Publication of EP0089713B1 publication Critical patent/EP0089713B1/en
Expired 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
    • F21S8/00—Lighting devices intended for fixed installation
    • F21S8/04—Lighting devices intended for fixed installation intended only for mounting on a ceiling or the like overhead structures
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • F21S4/00—Lighting devices or systems using a string or strip of light sources
    • F21S4/20—Lighting devices or systems using a string or strip of light sources with light sources held by or within elongate supports
    • 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
    • F21S6/002—Table lamps, e.g. for ambient lighting
    • F21S6/003—Table lamps, e.g. for ambient lighting for task lighting, e.g. for reading or desk work, e.g. angle poise lamps
    • 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
    • F21S8/04—Lighting devices intended for fixed installation intended only for mounting on a ceiling or the like overhead structures
    • F21S8/06—Lighting devices intended for fixed installation intended only for mounting on a ceiling or the like overhead structures by suspension
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V17/00—Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages
    • F21V17/02—Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages with provision for adjustment
    • 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
    • F21V21/10—Pendants, arms, or standards; Fixing lighting devices to pendants, arms, or standards
    • F21V21/112—Fixing lighting devices to pendants
    • 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
    • F21V23/00—Arrangement of electric circuit elements in or on lighting devices
    • F21V23/06—Arrangement of electric circuit elements in or on lighting devices the elements being coupling devices, e.g. connectors
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • F21S2/00—Systems of lighting devices, not provided for in main groups F21S4/00 - F21S10/00 or F21S19/00, e.g. of modular construction
    • 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
    • F21V14/00—Controlling the distribution of the light emitted by adjustment of elements
    • F21V14/04—Controlling the distribution of the light emitted by adjustment of elements by movement of reflectors
    • 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
    • F21V21/005—Supporting, suspending, or attaching arrangements for lighting devices; Hand grips for several lighting devices in an end-to-end arrangement, i.e. light tracks
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21W—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO USES OR APPLICATIONS OF LIGHTING DEVICES OR SYSTEMS
    • F21W2131/00—Use or application of lighting devices or systems not provided for in codes F21W2102/00-F21W2121/00
    • F21W2131/30—Lighting for domestic or personal use
    • F21W2131/304—Lighting for domestic or personal use for pictures
    • 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 lighting fitting comprising a supporting part or coupling part and a screen part formed by a hollow length of tube having a longitudinal slot over at least part of its length surrounding a light source and being relatively adjustable and fixable in various positions about its longitudinal axis with respect to the support part, said tube having internal extensions with parts extending at least substantially parallel to the boundary wall of said tube.
  • Such a structure is known from DE-A-2.756.887.
  • said known structure have been fixed to the extension the bendover ears of a sector-shaped plate which extends perpendicular to the longitudinal axis of the tube.
  • a hole for accommodating a bolt which has been screwed in a threaded hole provided in the supporting part, so that the tube can be adjusted about the axis of said bolt.
  • a curved slot through which extend further bolts which have been screwed in further threaded holes in the supporting part and which are used for clamping the tube with respect to the supporting part in a desired position.
  • a disadvantage of the known structure is that there are needed many parts which make the structure complicated and expensive, whilst in view of the fact that the supporting part has to be provided with three threaded holes, said supporting part has to be relatively heavy.
  • T-section extensions having parts extending substantially parallel to the boundary wall of said supporting part, the arrangement being such that opposite parts of two adjacent T-section extensions of the supporting part and aligned parts of the extensions of the tube can be clamped tightly between clamping strips situated on both sides of and against said various parts by means of screws passed through the strips.
  • the structure according to the invention makes it possible to obtain a simple and solid connection between the supporting part and the tube, whilst the tube can be adjusted in a relatively great number of positions with respect to the supporting part.
  • Fig. 1 shows a lighting system comprising four supporting parts 1, which can be suspended to a ceiling or the like with the aid of rods 2 fastened to said supporting parts 1. Between the supporting parts are arranged screen parts 3, the ends of which are in contact with the ends of the supporting parts 1 facing the screen parts concerned.
  • Fig. 2 and 3 shows that in the embodiment shown a supporting part is formed by a round tube length having on its inner surface a plurality of T-section extensions 4 at equal intervals along the periphery.
  • the screen part 3 comprises a wall portion 5 in the form of an arc of a circle, said wall portion 5 bounding between its free ends a slot 5' extending in the direction of length of the screen part.
  • L-shaped extensions 6 extend in the direction of length of the screen part so that the limbs of the L-shaped extensions spaced apart from the wall portion are directed towards one another away from the limbs adjoining the wall portion 5.
  • two relativelyi parallel strips 9 and 10 may be used for fastening an end of a screen part 3 and an end of a supporting part 1 to one another.
  • these strips can co-operate with two T-shaped extensions 4 of a supporting part 1 so that the strip 9 is locked between the wall of the supporting part 1 and the proximal parts of two neighbouring extensions as is shown in Fig. 3, whilst with the aid of a screw 11 passed through a hole in the strip 10 and screwed into a tapped hole in the strip 9 the strip 10 is clamped with the strip 9 to the parts of T-shaped extensions 4 located between the strips 9 and 10.
  • an end of the strip 9 protruding beyond the supporting part 1 can be slipped in between the wall 5 of the screen part 3 and L-shaped parts 6 fastened to the inner side of said wall, whilst then the end of the strip 10 protruding beyond the supporting part 1 will be in contact with the sides of the proximal limbs of the L-shaped parts 6 remote from the wall 5.
  • the strips 9 and 10 will be clamped by further fastening screws 11 to the parts of the T-shaped extensions 4 and the L-shaped extensions 6 respectively located between the strips 9 and 10.
  • the screen parts accommodate light sources formed by tubular lamps 12. These lamps can be coupled with one another by means of plugs and conterplugs or be coupled with the aid of a connection member arranged in the supporting part 1.
  • Fig. 1 It is furthermore shown in Fig. 1 that by turning the screen part 3 with respect to the supporting part 1 the direction of illuminating can be set. In the arrangement of the outermost left-hand screen part shown in Fig. 1 the light is radiated downwards, where at the outermost right-hand screen part 3 the light is radiated upwards. In the arrangement shown for the middle screen part 3 the light is radiated to one side.
  • Fig. 5 shows two lighting fittings 13 and 14 comprising lengths of tube 18 and elbows 19 adjoining the former.
  • the elbows may be provided with extensions corresponding with the extensions of the first embodiment so that in the same manner as described above a screen part 20 can be arranged between the proximal ends of the elbows 19forming supporting parts. It is then again possible in a simple manner to set the screen part 20 in a desired position so that, for example, as is shown for the fitting 13 the light is radiated downwards, or, as is shown for the fitting 14, the light can be radiated to one side, for example, towards a wall.
  • the construction embodying the invention may be designed for a table lamp 21 as shown in Fig. 5.
  • the table lamp comprises a corner piece 22 having internal extensions 23 corresponding with the extensions 4 (Fig. 6).
  • a screen part 26 corresponding with the screen part 3 can be fastened at the end of the corner piece with the aid of connecting strips 24 and 25, which screen part (26) can be fixed in a desired position relative to the support in order to obtain the desired direction of illumination.

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Non-Portable Lighting Devices Or Systems Thereof (AREA)
  • Securing Globes, Refractors, Reflectors Or The Like (AREA)
  • Illuminated Signs And Luminous Advertising (AREA)
  • Fastening Of Light Sources Or Lamp Holders (AREA)
  • Circuit Arrangement For Electric Light Sources In General (AREA)

Abstract

A lighting fitting comprising a supporting part or coupling part (1) and a screen part (3) which at least partly surrounds the light source, whereby the supporting part and the screen part are relatively adjustable and fixable in various positions about the longitudinal axis of the screen part.

Description

  • The invention relates to a lighting fitting comprising a supporting part or coupling part and a screen part formed by a hollow length of tube having a longitudinal slot over at least part of its length surrounding a light source and being relatively adjustable and fixable in various positions about its longitudinal axis with respect to the support part, said tube having internal extensions with parts extending at least substantially parallel to the boundary wall of said tube.
  • Such a structure is known from DE-A-2.756.887. In said known structure have been fixed to the extension the bendover ears of a sector-shaped plate which extends perpendicular to the longitudinal axis of the tube. In the center of the plate has been provided a hole for accommodating a bolt, which has been screwed in a threaded hole provided in the supporting part, so that the tube can be adjusted about the axis of said bolt. Further in the sector-shaped plate has been provided a curved slot through which extend further bolts which have been screwed in further threaded holes in the supporting part and which are used for clamping the tube with respect to the supporting part in a desired position.
  • A disadvantage of the known structure is that there are needed many parts which make the structure complicated and expensive, whilst in view of the fact that the supporting part has to be provided with three threaded holes, said supporting part has to be relatively heavy.
  • Now according to the invention there is provided on the inner periphery of the supporting part at equal intervals T-section extensions having parts extending substantially parallel to the boundary wall of said supporting part, the arrangement being such that opposite parts of two adjacent T-section extensions of the supporting part and aligned parts of the extensions of the tube can be clamped tightly between clamping strips situated on both sides of and against said various parts by means of screws passed through the strips.
  • The structure according to the invention makes it possible to obtain a simple and solid connection between the supporting part and the tube, whilst the tube can be adjusted in a relatively great number of positions with respect to the supporting part.
  • The invention will be described more fully hereinafter with reference to a few embodiments of the construction in accordance with the invention shown in the accompanying Figures.
    • Fig. 1 schematically shows a first arrangement of a lighting fitting for three aligned lamps.
    • Fig. 2 is an enlarged, perspective view of parts of the lighting fitting illustrated at a distance from one another.
    • Fig. 3 is an enlarged elevational view of one end of a supporting part.
    • Fig. 4 is an elevational view of one end of a screen part.
    • Fig. 5 shows the disposition of various lighting fittings in a room.
    • Fig. 6 is an enlarged, perspective view of part of a lighting fitting shown in Fig. 5.
  • Fig. 1 shows a lighting system comprising four supporting parts 1, which can be suspended to a ceiling or the like with the aid of rods 2 fastened to said supporting parts 1. Between the supporting parts are arranged screen parts 3, the ends of which are in contact with the ends of the supporting parts 1 facing the screen parts concerned.
  • Fig. 2 and 3 shows that in the embodiment shown a supporting part is formed by a round tube length having on its inner surface a plurality of T-section extensions 4 at equal intervals along the periphery.
  • It is furthermore shown in Fig. 4 that the screen part 3 comprises a wall portion 5 in the form of an arc of a circle, said wall portion 5 bounding between its free ends a slot 5' extending in the direction of length of the screen part.
  • On the inner side of the wall portion 5, near the middle thereof, L-shaped extensions 6 extend in the direction of length of the screen part so that the limbs of the L-shaped extensions spaced apart from the wall portion are directed towards one another away from the limbs adjoining the wall portion 5.
  • On the inner side of the wall portion 5 further extensions 7 and 8 are provided, which may be used to fasten component parts to the screen part 3.
  • For fastening an end of a screen part 3 and an end of a supporting part 1 to one another two relativelyi parallel strips 9 and 10 may be used. As is shown in Fig. 3 these strips can co-operate with two T-shaped extensions 4 of a supporting part 1 so that the strip 9 is locked between the wall of the supporting part 1 and the proximal parts of two neighbouring extensions as is shown in Fig. 3, whilst with the aid of a screw 11 passed through a hole in the strip 10 and screwed into a tapped hole in the strip 9 the strip 10 is clamped with the strip 9 to the parts of T-shaped extensions 4 located between the strips 9 and 10. In a similar manner an end of the strip 9 protruding beyond the supporting part 1 can be slipped in between the wall 5 of the screen part 3 and L-shaped parts 6 fastened to the inner side of said wall, whilst then the end of the strip 10 protruding beyond the supporting part 1 will be in contact with the sides of the proximal limbs of the L-shaped parts 6 remote from the wall 5. Preferably the strips 9 and 10 will be clamped by further fastening screws 11 to the parts of the T-shaped extensions 4 and the L-shaped extensions 6 respectively located between the strips 9 and 10.
  • It will be obvious that when the screen parts 3 are discoupled from the supporting part 1 as is shown in Fig. 2, these screen parts can be turned about their longitudinal axis with respect to the supporting part 1 into a desired position relative to this supporting part 1, after which the ends of the relevant fastening strips 9 and 10 extending out of the screen parts 3 can be slipped in between a desired pair of T-shaped extensions and the strips 9 and 10 can be subsequently be clamped tight against the intermediate parts of the extensions 4 and of the extensions 6 respectively by turning the screws 11.
  • In the embodiment shown the screen parts accommodate light sources formed by tubular lamps 12. These lamps can be coupled with one another by means of plugs and conterplugs or be coupled with the aid of a connection member arranged in the supporting part 1.
  • It is furthermore shown in Fig. 1 that by turning the screen part 3 with respect to the supporting part 1 the direction of illuminating can be set. In the arrangement of the outermost left-hand screen part shown in Fig. 1 the light is radiated downwards, where at the outermost right-hand screen part 3 the light is radiated upwards. In the arrangement shown for the middle screen part 3 the light is radiated to one side.
  • Fig. 5 shows two lighting fittings 13 and 14 comprising lengths of tube 18 and elbows 19 adjoining the former. Internally the elbows may be provided with extensions corresponding with the extensions of the first embodiment so that in the same manner as described above a screen part 20 can be arranged between the proximal ends of the elbows 19forming supporting parts. It is then again possible in a simple manner to set the screen part 20 in a desired position so that, for example, as is shown for the fitting 13 the light is radiated downwards, or, as is shown for the fitting 14, the light can be radiated to one side, for example, towards a wall.
  • In a similar manner the construction embodying the invention may be designed for a table lamp 21 as shown in Fig. 5. The table lamp comprises a corner piece 22 having internal extensions 23 corresponding with the extensions 4 (Fig. 6). In the same manner as described above a screen part 26 corresponding with the screen part 3 can be fastened at the end of the corner piece with the aid of connecting strips 24 and 25, which screen part (26) can be fixed in a desired position relative to the support in order to obtain the desired direction of illumination.

Claims (1)

  1. A lighting fitting comprising a supporting part or coupling part (1, 22) and a screen part (3) formed by a hollow length of tube having a longitudinal slot (5') over at least part of its length surrounding a light source and being relatively adjustable and fixable in various positions about its longitudinal axis with respect to the supporting part (1, 22) said tube having internal extensions (6) with parts extending at least substantially parallel to the boundary wall of said tube, characterized in, that on the inner periphery of the supporting part (1, 22) have been provided at equal intervals T-section extensions (4) having parts extending substantially parallel to the boundary wall of said supporting part, the arrangement being such, that opposite parts of two adjacent T-section extensions (4) of the supporting part and aligned parts of the extensions (6) of the tube can be clamped tight between clamping strips (9, 10) situated on both sides of and against said various parts by means of screws (11) passed through the strips.
EP83200327A 1982-03-11 1983-03-09 Lighting fitting Expired EP0089713B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT83200327T ATE19297T1 (en) 1982-03-11 1983-03-09 LIGHT CONTROL PANEL.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
NL8201006A NL8201006A (en) 1982-03-11 1982-03-11 LIGHTING LUMINAIRE.
NL8201006 1982-03-11

Publications (2)

Publication Number Publication Date
EP0089713A1 EP0089713A1 (en) 1983-09-28
EP0089713B1 true EP0089713B1 (en) 1986-04-16

Family

ID=19839405

Family Applications (1)

Application Number Title Priority Date Filing Date
EP83200327A Expired EP0089713B1 (en) 1982-03-11 1983-03-09 Lighting fitting

Country Status (4)

Country Link
EP (1) EP0089713B1 (en)
AT (1) ATE19297T1 (en)
DE (1) DE3363012D1 (en)
NL (1) NL8201006A (en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE9005855U1 (en) * 1990-04-27 1990-07-26 Lueprimed GmbH, 5250 Engelskirchen Raising bars for beds, especially hospital, nursing or retirement home beds
US5174647A (en) * 1991-09-20 1992-12-29 Kelly Steven M Modular lighting system
US20030223231A1 (en) 2002-05-28 2003-12-04 Mccarthy Charles A. Selectively extendable modular lighting fixture, and method of making and assembly
ES2383422B1 (en) * 2010-05-26 2013-04-15 Nicolas Suarez Lencina SECURITY SIGNALING AND INFORMATIVE DEVICE
DE202013103456U1 (en) * 2013-08-01 2014-11-04 Zumtobel Lighting Gmbh Pendant luminaire with a light source for generating indirect lighting
US10222042B2 (en) 2015-10-29 2019-03-05 GE Lighting Solutions, LLC Apparatus and method for installation of light fixtures

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2556813B2 (en) * 1975-12-17 1979-12-13 Wolfgang 6204 Taunusstein Fenner Space framework
DE2756887C2 (en) * 1977-12-20 1982-06-03 Siemens AG, 1000 Berlin und 8000 München table lamp

Also Published As

Publication number Publication date
ATE19297T1 (en) 1986-05-15
DE3363012D1 (en) 1986-05-22
NL8201006A (en) 1983-10-03
EP0089713A1 (en) 1983-09-28

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