EP0446317A1 - Ecran paralume. - Google Patents

Ecran paralume.

Info

Publication number
EP0446317A1
EP0446317A1 EP90913395A EP90913395A EP0446317A1 EP 0446317 A1 EP0446317 A1 EP 0446317A1 EP 90913395 A EP90913395 A EP 90913395A EP 90913395 A EP90913395 A EP 90913395A EP 0446317 A1 EP0446317 A1 EP 0446317A1
Authority
EP
European Patent Office
Prior art keywords
lamella
transverse
reflector
transverse lamella
outer reflector
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
EP90913395A
Other languages
German (de)
English (en)
Other versions
EP0446317B1 (fr
Inventor
Georg Kempter
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.)
Zumtobel AG
Original Assignee
Zumtobel 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 Zumtobel AG filed Critical Zumtobel AG
Publication of EP0446317A1 publication Critical patent/EP0446317A1/fr
Application granted granted Critical
Publication of EP0446317B1 publication Critical patent/EP0446317B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

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
    • F21V11/00—Screens not covered by groups F21V1/00, F21V3/00, F21V7/00 or F21V9/00
    • F21V11/06—Screens not covered by groups F21V1/00, F21V3/00, F21V7/00 or F21V9/00 using crossed laminae or strips, e.g. grid-shaped louvers; using lattices or honeycombs
    • 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
    • F21V11/00—Screens not covered by groups F21V1/00, F21V3/00, F21V7/00 or F21V9/00
    • F21V11/02—Screens not covered by groups F21V1/00, F21V3/00, F21V7/00 or F21V9/00 using parallel laminae or strips, e.g. of Venetian-blind type

Definitions

  • the invention relates to a luminaire grid with curved outer reflectors and transverse lamellae with an approximately V-shaped cross section, each of which is inserted through corresponding cutouts in the outer reflectors, the walls of the transverse lamella having stop edges on the upper side , which rest on the inside of the outer reflectors.
  • Such a luminaire grid is already known from DE 30 05 762.
  • the transverse lamella is provided with a transverse slot on the underside, the lower edge of each cutout of the external reflectors being inserted into a transverse slot of a transverse lamella for fastening the transverse lamella to the outer reflector.
  • the cross lamella had to be hung in the outer reflector in the form of a circular movement in order to mount the two parts in the correct position, i.e. H. to bring the cross lamella into the outer reflector.
  • the transverse slit of the transverse lamella was first inserted into the cutout of the outer reflector and then the transverse lamella was pivoted onto the outer reflector with a circular arc movement, projections were also provided on the outer reflector, which latched into assigned locking slots on the transverse lamellae.
  • the assembly of the transverse slats on the assigned external reflectors could therefore only be done in a complex manner, which could not be carried out mechanically.
  • the present invention is therefore based on the object of achieving a fastening between a transverse lamella and an external reflector of a luminaire grid, which can be carried out mechanically in a simple manner.
  • the invention is characterized in that a straight nose retractable into the outer reflector is formed as a stop edge on the underside of the transverse lamella, and that each wall of the transverse lamella has an outwardly pointing shoulder, which has the cutout in the outer reflector reaches through and clicks against the outside of the outer reflector.
  • a stop edge is accordingly provided on the upper side of the transverse lamella and, furthermore, according to the invention, a straight nose is also formed as a stop edge on the underside of the transverse lamella, the transverse lamella being inserted in a straight line into the cutout of an external reflector can and then lock the paragraphs on the cross blades on the outside of the outer reflector.
  • the transverse lamella can be moved in the direction of its longitudinal axis into the cutout of the outer reflector perpendicular to it, which results in the transverse lamella automatically locking in the cutout of the outer reflector.
  • a pivoting movement as is otherwise necessary for inserting the transverse lamella in a known luminaire grid, can now be dispensed with.
  • This enables simple mechanical assembly of such transverse lamellae in assigned external reflectors.
  • the attachment of such heels is particularly simple and the nose or the stop edges can also be punched out in a simple manner, which results in an inexpensive insert part without complex deformations.
  • Such a shoulder can be produced by bending the material of the transverse lamella to form an outwardly deformed * edge which protrudes from the plane of the transverse lamella. It is also possible to produce this paragraph by forming a bead.
  • the front edges of the transverse lamella are conically bent inwards in the longitudinal direction of the transverse lamella in the manner of wedge surfaces.
  • the bending of the front edges of the transverse lamella can be accomplished in a simple manner, and in connection with the conical wedge surfaces there is a simple centric entry into the cutout of the outer reflector.
  • the nose has inclined edges in the direction of insertion, which on the one hand correspond to the outer contour of the outer reflector and on the other hand are directed perpendicular to the cross section of the outer reflector. So the nose fits positively on one side of the outer reflector.
  • FIG. 1 a side view of a transverse lamella in the inserted state in a cutout of the outer reflector
  • FIG. 2 an end view of the transverse lamella according to FIG. 1, partly in a perspective view in the direction of arrow II;
  • FIG. 3 partial view of an external reflector with a cutout for inserting the transverse lamella
  • Figure 4 the transverse lamella in a developed view with an elongated outer contour.
  • FIG. 1 an outer reflector 2 is shown with a section 3 of FIG. 3, in which a transverse lamella 1 is inserted.
  • a retractable at the bottom of Q uer ⁇ lamella 1 in the outer reflector 2 straight nose 8 is formed as a stop edge, and that the walls 4, 5 of Fig. 2, the cross lamella 1 outwardly facing paragraphs 9 3 which pass through the cutout 3 according to FIG. 3 in the outer reflector 2 and rest here on the outer side 10 of the outer reflector 2 in a latching manner over their entire length.
  • a stop edge 6 is formed which bears on the inside 7 of the outer reflector 2.
  • the nose 8 according to FIGS. 1 and 2 arises in connection with edges 12 and 13 by bending the transverse lamella 1 according to FIG. 4 along the bending line 20.
  • the nose 8 here forms edges 12, 13 which run obliquely in the direction of insertion - in particular according to FIG. 1 - which here correspond on the one hand to the edge 13 of the outer contour of the outer reflector 2 and on the other hand here the edge 12 perpendicular to the cross section of the external reflector 2 are directed.
  • the nose 8 moves in a straight direction to the lower edge 19 of the cutout 3 according to FIG. 3, while the stop edge 6 bears against the inner side 7 of the outer reflector 2 is coming.
  • paragraphs 9 can be seen, which are preferably produced by folding the material, whereby by bending along the bending line 20 according to FIG. 4, a V-shaped cross section of the transverse lamella is created with lateral over the surfaces of the walls 4, 5 to the outside indicative paragraphs 9.
  • the front edges 11 of FIG. 4 of the transverse lamella 1 are conically bent inwards in the manner of wedge surfaces in the longitudinal direction of the transverse lamella, as a result of which the wedge surfaces 17 are formed according to FIG. 2.
  • the transverse lamella 1 can be pushed particularly easily into the cutout 3 according to FIG. 3 via these wedge surfaces 17, the paragraphs 9 passing through the cutout 3 and then resting against the outside 10 of the outer reflector 2 according to FIG. 1. With this design, a linear contour-conforming contact of the transverse lamella 1 on the outer reflector 2 is ensured.
  • the stop edge 6 and the nose 8 hold the transverse lamella on the inner side 7 of the outer reflector 2 in the opposite direction to the shoulders 9.
  • the edge 13 and the inlet slope 14 facilitate the insertion of the transverse lamella 1 into the cutout 3.
  • a bevel 16 is also formed on the end face of the transverse lamella 1 in the area of the wedge surfaces 17, as is a leading edge 18, so that the transverse lamella easily slides into the cutout 3 even if the transverse lamella is accidentally placed obliquely on the cutout ⁇ can be pushed.
  • wedge surfaces 17 are provided with conical bends pointing inwards, whereby the wedge surfaces 17 themselves have a bevel 16 and a leading edge 15.
  • the stop edge 6, which has an inlet bevel 14, and with the nose 8, which a has inclined leading edge 13 the transverse lamella can thus be retracted into the cutout 3 in a simple manner with a simple insertion movement without further pivoting.
  • guides 3 are formed on the upper side of the cutout in order to achieve a certain centering in connection with the stop edge 6 on the walls 4, 5 of the transverse lamella 1.

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Securing Globes, Refractors, Reflectors Or The Like (AREA)
  • Medicines That Contain Protein Lipid Enzymes And Other Medicines (AREA)
  • Peptides Or Proteins (AREA)
  • Non-Portable Lighting Devices Or Systems Thereof (AREA)
  • Overhead Projectors And Projection Screens (AREA)
  • Optical Elements Other Than Lenses (AREA)
  • Circuit Arrangement For Electric Light Sources In General (AREA)
  • Investigating Or Analysing Biological Materials (AREA)
  • Electrochromic Elements, Electrophoresis, Or Variable Reflection Or Absorption Elements (AREA)
  • Fastening Of Light Sources Or Lamp Holders (AREA)

Abstract

Un écran paralume comporte des réflecteurs extérieurs arqués (2) et des lamelles transversales (1) de section approximativement en V, perpendiculaires aux réflecteurs extérieurs. Chaque lamelle transversale s'insère dans un évidement correspondant ménagé dans les réflecteurs extérieurs. Les parois (4, 5) des lamelles transversales présentent sur leur face supérieure des bords d'arrêt (6) qui reposent contre la face intérieure (7) des réflecteurs extérieurs. Les lamelles transversales se fixent sur les réflecteurs extérieurs de manière simple et à la machine. A cet effet, un bord d'arrêt en forme de tenon droit (8) insérable dans le réflecteur extérieur est ménagé sur la face inférieure de la lamelle transversale, et les parois de ladite lamelle possèdent des épaulements (9) dirigés vers l'extérieur, qui passent à travers les évidements du réflecteur extérieur et s'encliquètent sur la face extérieure dudit réflecteur.
EP90913395A 1989-10-03 1990-09-13 Ecran paralume Expired - Lifetime EP0446317B1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE3932935A DE3932935A1 (de) 1989-10-03 1989-10-03 Leuchtenraster
DE3932935 1989-10-03
PCT/EP1990/001551 WO1991005203A1 (fr) 1989-10-03 1990-09-13 Ecran paralume

Publications (2)

Publication Number Publication Date
EP0446317A1 true EP0446317A1 (fr) 1991-09-18
EP0446317B1 EP0446317B1 (fr) 1995-02-01

Family

ID=6390721

Family Applications (1)

Application Number Title Priority Date Filing Date
EP90913395A Expired - Lifetime EP0446317B1 (fr) 1989-10-03 1990-09-13 Ecran paralume

Country Status (10)

Country Link
US (1) US5264999A (fr)
EP (1) EP0446317B1 (fr)
AT (1) ATE118079T1 (fr)
DE (2) DE3932935A1 (fr)
DK (1) DK0446317T3 (fr)
ES (1) ES2071828T3 (fr)
FI (1) FI100266B (fr)
NO (1) NO180735C (fr)
PT (1) PT95475B (fr)
WO (1) WO1991005203A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1069372A2 (fr) 1999-07-12 2001-01-17 Fagerhults Belysning AB Grille pour luminaire et procédé de montage pour le même

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH690657A5 (de) * 1993-12-01 2000-11-30 Olga Raimondi Staeuble Richtblende für Beleuchtungskörper.
JP2686248B2 (ja) 1995-11-16 1997-12-08 住友電気工業株式会社 Ｓｉ３Ｎ４セラミックスとその製造用Ｓｉ基組成物及びこれらの製造方法
SE507223C2 (sv) * 1997-04-04 1998-04-27 Fagerhults Ab Sätt att framställa ett bländskydd, en reflektor eller dylikt till en elektrisk belysningsarmatur samt ett bländskydd, en reflektor elle dylikt, som framställts enligt sättet
EP1318728A2 (fr) 2000-09-18 2003-06-18 Rothmans, Benson & Hedges Inc. Cigarette a faible induction de tabagisme passif a materiau traitant non combustible
US7108398B2 (en) * 2001-11-01 2006-09-19 Koninklijke Philips Electronics, N.V. Luminaire and lamellae grid
DE10221630A1 (de) * 2002-05-15 2003-11-27 Zumtobel Staff Gmbh Leuchtenraster mit doppelwandigen Seitenreflektoren

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2833010C2 (de) * 1978-07-27 1980-04-30 Siemens Ag, 1000 Berlin Und 8000 Muenchen Lamellenraster für Raumbeleuchtung
US4268897A (en) * 1979-07-23 1981-05-19 Templet Industries, Inc. Self-locking louver for lighting fixture
DE3005762C2 (de) * 1980-02-15 1981-10-29 Siemens AG, 1000 Berlin und 8000 München Leuchtenraster mit gekrümmten Außenreflektoren
DE8230107U1 (de) * 1982-10-27 1983-02-03 Trilux-Lenze Gmbh + Co Kg, 5760 Arnsberg Leuchtenraster
DE3239692A1 (de) * 1982-10-27 1984-05-03 Trilux-Lenze Gmbh + Co Kg, 5760 Arnsberg Leuchtenraster
DE3437192A1 (de) * 1984-10-10 1986-04-10 Philips Patentverwaltung Gmbh, 2000 Hamburg Leuchte mit veraenderbarer lichtverteilung
DE8508740U1 (de) * 1985-03-23 1985-05-15 Zumtobel Ag, Dornbirn Raster für Leuchtstofflampenleuchten
DE3788934D1 (de) * 1986-11-24 1994-03-10 Thorn Licht Gmbh Leuchtenraster.
US4888668A (en) * 1987-09-28 1989-12-19 Siemens Aktiengesellschaft Mirror light unit
DE8811249U1 (de) * 1988-09-06 1988-10-20 August Jordan GmbH & Co., 5600 Wuppertal Leuchtenraster
DE3900202A1 (de) * 1989-01-05 1990-07-12 Thorn Licht Gmbh Mit einer stabfoermigen leuchtstofflampe bestueckte rasterleuchte

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See references of WO9105203A1 *

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1069372A2 (fr) 1999-07-12 2001-01-17 Fagerhults Belysning AB Grille pour luminaire et procédé de montage pour le même

Also Published As

Publication number Publication date
FI912450A0 (fi) 1991-05-21
DK0446317T3 (da) 1995-06-26
WO1991005203A1 (fr) 1991-04-18
NO180735C (no) 1997-06-04
PT95475B (pt) 1998-07-31
NO912038L (no) 1991-06-27
EP0446317B1 (fr) 1995-02-01
ATE118079T1 (de) 1995-02-15
PT95475A (pt) 1992-05-29
NO912038D0 (no) 1991-05-28
ES2071828T3 (es) 1995-07-01
DE3932935A1 (de) 1991-04-11
FI100266B (fi) 1997-10-31
DE59008418D1 (de) 1995-03-16
US5264999A (en) 1993-11-23
NO180735B (no) 1997-02-24

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