EP0870981A1 - Leuchteneinheit für Lichtbandsystem - Google Patents

Leuchteneinheit für Lichtbandsystem Download PDF

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Publication number
EP0870981A1
EP0870981A1 EP98200750A EP98200750A EP0870981A1 EP 0870981 A1 EP0870981 A1 EP 0870981A1 EP 98200750 A EP98200750 A EP 98200750A EP 98200750 A EP98200750 A EP 98200750A EP 0870981 A1 EP0870981 A1 EP 0870981A1
Authority
EP
European Patent Office
Prior art keywords
trunk
disc
luminaire
coupling piece
coupling member
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
EP98200750A
Other languages
English (en)
French (fr)
Other versions
EP0870981B1 (de
Inventor
Hans Hermann Jämmerich
Wolfgang Henze
Bernd Stigrot
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.)
Philips Intellectual Property and Standards GmbH
Koninklijke Philips NV
Original Assignee
Philips Corporate Intellectual Property GmbH
Philips Patentverwaltung GmbH
Koninklijke Philips Electronics NV
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 Philips Corporate Intellectual Property GmbH, Philips Patentverwaltung GmbH, Koninklijke Philips Electronics NV filed Critical Philips Corporate Intellectual Property GmbH
Priority to EP98200750A priority Critical patent/EP0870981B1/de
Publication of EP0870981A1 publication Critical patent/EP0870981A1/de
Application granted granted Critical
Publication of EP0870981B1 publication Critical patent/EP0870981B1/de
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
    • F21V21/00—Supporting, suspending, or attaching arrangements for lighting devices; Hand grips
    • F21V21/02—Wall, ceiling, or floor bases; Fixing pendants or arms to the bases
    • F21V21/025—Elongated bases having a U-shaped cross section
    • 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
    • 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 luminaire for line illumination comprising:
  • Such a luminaire is known from DE-A-32 14 595.
  • Studs are present at the top of the coupling piece in the known luminaire, which studs are rotatable about an axis parallel to the top by means of a handle and are capable of pressing against the top walls of the trunks. The deformations which occur then cause bulges in the side walls of the coupling piece to press against the side walls of the trunks, with the result that these trunks are tightly clamped in.
  • the coupling member causes a substantial local narrowing of the trunks. This means that the trunks have to be constructed more voluminously.
  • Another disadvantage is that deformations in the coupling piece and/or the trunk are to be realized in order to render the bulges effective. There is a risk that the deformations of the trunk become visible.
  • a coupling member for trunks is known from US-A-3,275,355 and comprises two mutually facing U-shaped bodies which enter one another and whose bottoms can be urged towards one another by means of screws, so that the bodies will clamp themselves into the trunks.
  • the coupling piece occupies much space, also on account of a reinforcement provided therein.
  • a coupling member is known from DE-U-1 693 140 and comprises a U-shaped body and a loose plate cooperating therewith, which components are forced away from one another by means of screws so as to have a clamping effect in trunks. It is a substantial disadvantage that the coupling piece consists of two separate parts and that screws are to be tightened or loosened inside the trunks.
  • the coupling piece comprises a tensioning disc as the fixation means between its top and the top wall of the first trunk, which disc is coupled via an opening in the top to a rotation disc inside the coupling piece, the coupling piece having in its top a high relief which is directed towards the top wall so as to cooperate with a high relief of the tensioning disc which is directed towards the top.
  • the coupling member of the luminaire according to the invention is highly suitable for aligning mutually adjoining trunks with respect to one another and keeping them aligned, so that any staggered transition between adjoining trunks of luminaires, for example mounted in line against a ceiling, is prevented.
  • the construction of the coupling member lends itself to a very slim design, the coupling member having a thickness of no more than, for example, approximately 10 mm against the top wall.
  • the coupling member is also easy to apply and secure.
  • the coupling member may be inserted into the trunk in the longitudinal direction and subsequently be secured by a small rotation of the rotation disc, for example through approximately 45° or 90°.
  • the high relief of the top and of the tensioning disc is of a dual, symmetrical construction so as to obtain a symmetrical pattern of forces.
  • the tensioning disc and the rotation disc may be interconnected, for example, by means of rivets, hollow rivets, etc. It is convenient, however, when the discs are coupled to one another by means of tongues which project through slots and which have subsequently been deformed, for example have bent or twisted end portions.
  • the rotation disc has such tongues and the tensioning disc has such slots.
  • the end portions of the tongues lie recessed each in a cavity. This has the advantage that they are not mechanically loaded when the rotation disc rotates the tensioning disc up against the top wall.
  • the rotation disc has a slot by which it can be operated with a screwdriver.
  • the coupling member may be so used that the tensioning disc also presses against the top wall of an adjoining trunk. It is convenient for mounting purposes, however, when the tensioning disc acts only on the first trunk. An adjoining trunk may then be easily provided over the coupling member without the risk of shifting this member. It is favorable for an accurate alignment of two trunks, however, when the coupling member comprises separate fixation means for the adjoining trunk similar to those for the first trunk.
  • the luminaire may be suitable, for example, for accommodating one or several tubular lamps, such as fluorescent lamps.
  • the luminaire for line illumination comprises a first trunk 10 with a top wall 11 and side walls 13 which each have an inwardly flanged portion 15 running parallel to the top wall 11.
  • This portion 15 is an inward fold in the Figure which lies at a distance from an inwardly flanged lower rim 14 of the respective side wall 13.
  • the lower rim 14, however, may itself be used for the same purpose.
  • An elongate light carrier 1 having an outer surface 2 provided with means 3 for accommodating and supplying an electric lamp, a tubular fluorescent lamp in the Figure, is detachably fastened to the trunk 10.
  • the light carrier 1 has for this purpose a member 6 at an inner surface 4, see also Fig.
  • a coupling member 20 having a longitudinal direction is present for connecting the first trunk 10 to an adjoining trunk 10' in line with one another, such that the coupling member 20 partly overlaps the first 10 and the adjoining trunk 10'.
  • the coupling member 20 is provided with a trunk-shaped coupling piece 21 having a top 22 alongside the top wall 11 of the first trunk 10 and having sides 23 which lie within the flanged portions 15, i.e. the folds, of the side walls 13 of the first trunk 10.
  • the coupling member 20 comprises fixation means for securely fastening the coupling piece 21 in the first trunk 10.
  • the coupling piece 21, see Fig. 2, has a tensioning disc 30 as the fixation means between its top 22 and the top wall 11 of the first trunk, which tensioning disc is coupled via an opening 25 in the top 22 to a rotation disc 40 inside the coupling piece 21.
  • the coupling piece 21 has in its top 22 a high relief 24 which is directed towards the top wall 11, see also Figs. 3 and 4, so as to cooperate with a high relief 31 of the tensioning disc 30, see Figs. 7 and 8, which is directed towards the top 22.
  • the high relief 24 for the tensioning disc 30 is present twice, along the sides 23. In Figs.
  • the relief 24 is formed by a stamped-out and folded strip against which the tensioning disc 30 can run up with its high relief 31 and which in the embodiment shown has a depression 24' near its highest point, in which depression the high relief 31 of the tensioning disc 30 can be held fixed.
  • the coupling member 20 aligns the trunks 10, 10' both in vertical and in lateral direction as a result of the downward pressure exerted by the tensioning disc 30 on the coupling piece 21, and thus on the trunks 10, 10', and as a result of the lateral force thus exerted by the coupling piece 21 on said trunks 10, 10'.
  • the tensioning disc 30 and the rotation disc 40 are coupled by means of tongues 41, present at the rotation disc 40 in the Figures, which project through slots 32, present in the tensioning disc 30 in the Figures, and which have deformed end portions 42, which end portions lie recessed in respective cavities 33 of the tensioning disc 30.
  • the slots 32 are each placed in a cavity 33 for this purpose.
  • the rotation disc 40 see Fig. 6, has a central slot 43 by means of which this disc can be easily rotated with a screwdriver.
  • the coupling member 20 in the embodiment shown in Figs. 1 and 3 has separate fixation means for the adjoining trunk 10'. Openings 26 in the coupling piece 21 may serve to guide an electric cable into the trunks 10, 10' in those embodiments in which the trunks 10, 10' have corresponding openings.
  • the coupling piece 21 and the rotation disc 40 may be made, for example, from steel, the tensioning disc 30 may be made, for example, from spring steel.

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Non-Portable Lighting Devices Or Systems Thereof (AREA)
EP98200750A 1997-04-09 1998-03-09 Leuchteneinheit für Lichtbandsystem Expired - Lifetime EP0870981B1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP98200750A EP0870981B1 (de) 1997-04-09 1998-03-09 Leuchteneinheit für Lichtbandsystem

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
EP97201030 1997-04-09
EP97201030 1997-04-09
EP98200750A EP0870981B1 (de) 1997-04-09 1998-03-09 Leuchteneinheit für Lichtbandsystem

Publications (2)

Publication Number Publication Date
EP0870981A1 true EP0870981A1 (de) 1998-10-14
EP0870981B1 EP0870981B1 (de) 2006-10-04

Family

ID=26146342

Family Applications (1)

Application Number Title Priority Date Filing Date
EP98200750A Expired - Lifetime EP0870981B1 (de) 1997-04-09 1998-03-09 Leuchteneinheit für Lichtbandsystem

Country Status (1)

Country Link
EP (1) EP0870981B1 (de)

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9470375B2 (en) 2012-09-21 2016-10-18 Koninklijke Philips N.V. LED based line illumination luminaire and system
FR3053766A1 (fr) * 2016-07-07 2018-01-12 Trato Industries Dispositif de raccordement de deux rails de support de luminaire de sections sensiblement en u et ancillaire de deverrouillage associe
WO2021226673A1 (en) * 2020-05-14 2021-11-18 Darkon Pty Ltd A self-tensioning connector
JP2021182468A (ja) * 2020-05-18 2021-11-25 コイズミ照明株式会社 連結部材および照明システム
EP3974716A1 (de) * 2020-09-27 2022-03-30 Self Electronics Co., Ltd. Verbundene drahtrinne und raumbeleuchtungssystem
US11506364B2 (en) 2018-12-20 2022-11-22 Signify Holding B.V. Connection system for a luminaire, and a lighting system using the connection system
US11953165B2 (en) 2019-11-04 2024-04-09 Signify Holding, B.V. Connection system for a luminaire, and a lighting system using the connection system

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1693140U (de) 1953-11-30 1955-02-17 Siemens Schukertwerke Ag Anordnung zum verbinden von montageschienen fuer leuchten mit leuchtstofflampen.
US3275355A (en) 1962-10-11 1966-09-27 Philips Corp Coupling piece for uniting channel-shaped parts
DE3214595A1 (de) 1982-04-20 1983-10-27 Fränkische Leuchten GmbH, 8729 Königsberg Verbindungsstueck fuer leuchten mit schienenfoermigen teilen
US4717993A (en) * 1987-05-05 1988-01-05 Lightolier Incorporated Aligning joining mechanism for luminaires
DE4300550A1 (de) * 1993-01-12 1994-07-14 Trilux Lenze Gmbh & Co Kg Lichtbandkupplung

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1693140U (de) 1953-11-30 1955-02-17 Siemens Schukertwerke Ag Anordnung zum verbinden von montageschienen fuer leuchten mit leuchtstofflampen.
US3275355A (en) 1962-10-11 1966-09-27 Philips Corp Coupling piece for uniting channel-shaped parts
DE3214595A1 (de) 1982-04-20 1983-10-27 Fränkische Leuchten GmbH, 8729 Königsberg Verbindungsstueck fuer leuchten mit schienenfoermigen teilen
US4717993A (en) * 1987-05-05 1988-01-05 Lightolier Incorporated Aligning joining mechanism for luminaires
DE4300550A1 (de) * 1993-01-12 1994-07-14 Trilux Lenze Gmbh & Co Kg Lichtbandkupplung

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9470375B2 (en) 2012-09-21 2016-10-18 Koninklijke Philips N.V. LED based line illumination luminaire and system
FR3053766A1 (fr) * 2016-07-07 2018-01-12 Trato Industries Dispositif de raccordement de deux rails de support de luminaire de sections sensiblement en u et ancillaire de deverrouillage associe
US11506364B2 (en) 2018-12-20 2022-11-22 Signify Holding B.V. Connection system for a luminaire, and a lighting system using the connection system
US11953165B2 (en) 2019-11-04 2024-04-09 Signify Holding, B.V. Connection system for a luminaire, and a lighting system using the connection system
WO2021226673A1 (en) * 2020-05-14 2021-11-18 Darkon Pty Ltd A self-tensioning connector
JP2021182468A (ja) * 2020-05-18 2021-11-25 コイズミ照明株式会社 連結部材および照明システム
EP3974716A1 (de) * 2020-09-27 2022-03-30 Self Electronics Co., Ltd. Verbundene drahtrinne und raumbeleuchtungssystem

Also Published As

Publication number Publication date
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