EP0427498B1 - In der Decke integrierte Gehäuse - Google Patents

In der Decke integrierte Gehäuse Download PDF

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Publication number
EP0427498B1
EP0427498B1 EP90312106A EP90312106A EP0427498B1 EP 0427498 B1 EP0427498 B1 EP 0427498B1 EP 90312106 A EP90312106 A EP 90312106A EP 90312106 A EP90312106 A EP 90312106A EP 0427498 B1 EP0427498 B1 EP 0427498B1
Authority
EP
European Patent Office
Prior art keywords
members
spacer device
panel
hole
light fitting
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 - Lifetime
Application number
EP90312106A
Other languages
English (en)
French (fr)
Other versions
EP0427498A2 (de
EP0427498A3 (en
Inventor
John Howard
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.)
CONCORD LIGHTING LIMITED
Original Assignee
CONCORD LIGHTING Ltd
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 CONCORD LIGHTING Ltd filed Critical CONCORD LIGHTING Ltd
Publication of EP0427498A2 publication Critical patent/EP0427498A2/de
Publication of EP0427498A3 publication Critical patent/EP0427498A3/en
Application granted granted Critical
Publication of EP0427498B1 publication Critical patent/EP0427498B1/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
    • F21V25/00—Safety devices structurally associated with lighting devices
    • 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
    • F21V21/04—Recessed bases
    • 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
    • F21S8/02—Lighting devices intended for fixed installation of recess-mounted type, e.g. downlighters
    • F21S8/026—Lighting devices intended for fixed installation of recess-mounted type, e.g. downlighters intended to be recessed in a ceiling or like overhead structure, e.g. suspended ceiling
    • 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
    • F21V15/00—Protecting lighting devices from damage
    • F21V15/02—Cages

Definitions

  • This invention relates to light fittings, and is concerned in particular with recessed light fittings, that is light fittings adapted to be mounted on a ceiling panel or the like with at least a substantial part of the fitting being accommodated in the space behind the panel remote from the area to be illuminated.
  • Recessed light fittings are in common use and have the advantage that they are largely concealed from view, which means they can be very functional in external appearance without detracting from the aesthetic appeal when correctly installed.
  • a recessed light fitting as described in DE-U-8526751 is supported above a ceiling panel by a pair of opposed spring strips which projected radially outwardly of the reflector of the light fitting.
  • the space behind a ceiling panel used to accommodate a recessed light fitting is often that space formed between the wooden joist supporting the ceiling and possibly also the floor of the room above.
  • a minimum air gap should be left between a recessed light fitting and any adjacent structure, object, superposed material, etc. in order to provide a heat insulating air gap and hence safe operating temperatures.
  • Some recessed light fittings are designed to enable them to be installed from below a ceiling through a hole formed in a ceiling panel, which can be very convenient, especially when access to the space above the ceiling panel is restricted or difficult.
  • such light fittings can be installed inadvertently in such positions, e.g. closely adjacent a joist, so that the minimum air gap needed to ensure safety is not provided.
  • the present invention addresses the problem explained above and as a solution provides for use with a recessed light fitting a spacer device capable of insertion through a hole provided in a mounting panel to receive the light fitting, the device comprising a plurality of members movable relative to each other to allow the device to be inserted through the hole in the panel and to expand into the space behind the panel, thereby to form a cage-like structure with several elements disposed about the hole to define a circumscribing perimeter spaced outwardly of an inserted light fitting in all radial directions, the structure thereby establishing a minimum distance between the light fitting and any adjacent surface.
  • the spacing device By having a cage or frame-like structure the device does not seriously impede circulation of air within the space and cooling convection currents are maintained. However, the spacing device will ensure the correct minimum spacing between the light fitting and any laterally adjacent structural member, such as a joist, or any further floor panel (or perhaps roof space insulation material in the case of a top storey ceiling) located above the ceiling panel.
  • the spacer device is preferably arranged to engage the edge of the hole. In this way it is easily ensured that the device is properly centered with respect to the hole and hence the light fitting.
  • the device may be arranged to expand from a collapsed or folded condition in a variety of different ways. For example it may be due to the inherent resilience of elements forming the device or by provision of additional spring means. Alternatively, insertion of the light fitting itself may cause the device to expand, which can provide the additional security that the light fitting can only be fully inserted if the device has been correctly expanded.
  • the spacer device shown in Figure 1 consists of a cage made up from two substantially identical metal members 1, 2 each having a cross arm 3 from the ends of which extend parallel legs 4. The ends of the legs remote from the cross arm are connected to inturned feet 5 which terminate in spiked hooks 6.
  • the cross arms 3 are connected at their centres by a pivot pin 7 which also mounts a torsion spring 8 having rectilinear end portions which are engaged with the respective members 1, 2 by having their ends hooked through holes in the cross arms.
  • the cross arm of one member 1 has a pair of bent up lugs 9 which form stops and by abutting the edges of the cross arm of the other member 2 limit the relative pivoting movement of the members under the influence of the torsion spring 8 to the position shown in Figs. 1-4.
  • the two members When the cage is to be installed through a hole previously formed in a ceiling panel for instance, the two members are rotated against the spring bias to take up a generally planar position as shown in Figure 5A. It will be appreciated that by suitably dimensioning the members 1, 2 they could be made to fold completely one into the other.
  • the collapsed cage is inserted upwardly through the hole in the panel, with a rotational manipulation of the cage as depicted in Figure 5B.
  • the cage is then released for expansion under the action of the torsion spring 8, whereby it returns to the Figure 1 condition, and the hooks 6 are engaged with the edge of the hole by pressing their spikes into the panel material to fix the cage securely into position.
  • the light fitting can then be mounted in the normal fashion to be received within the surrounding cage which defines a minimum air gap between the light fitting and any adjacent surface.
  • the cage of Figure 1 has been described as comprising only two members 1, 2, three or even more members could be used, preferably with uniform spacing between them when the cage is correctly expanded.
  • the device shown in Figure 6 has three such members and in this case does not comprise a spring which means the cage, after insertion through the hole in the manner shown in Figure 7, must be expanded manually to the condition shown in Figure 8, which also shows the light fitting 10 and its ceiling ring 11 installed.
  • the hooks 6 engage around the edge of the panel, which is acceptable since the free ends of the hooks on the underside of the panel are covered by the ceiling ring 11.
  • a spacer cage fabricated from resilient strips 15 is shown in a collapsed condition in Figure 9.
  • the strips are pivoted together at their centres and have slightly different lengths to enable them to be folded to a substantially planar collapsed condition as shown in Figure 9, which is advantageous for packaging purposes.
  • the strips are rotated to define six uniformly spaced radial arms.
  • the centre of the resulting spider is pushed up through the hole in the ceiling panel causing the arms to deflect downwardly and inwardly, as shown in Figure 10.
  • the bent end portions 16 constitute hooks which engage the edge of the hole, and in this position of the cage the arms are bowed to extend outwardly beyond the edge of the hole above the panel as may be seen in Figure 11.
  • the hooked ends 16 are hidden from sight by the ceiling ring 11 of the light fitting 10.
  • the spacer device of Figure 12 is incorporated with the ceiling ring 11 of the light fitting.
  • a number e.g. 6, upwardly extending legs 20 which are pivoted or include integral hinges at lower end points 21.
  • the legs include knee portions 22 near the hinge points.
  • the legs are arranged to extend essentially parallel to the ceiling ring axis, as depicted in Figure 11, when the device is to be introduced into the hole in a ceiling panel.
  • the knee portions 22 protrude radially inwardly of the ring 11 so that upon subsequent insertion of the light fitting this fitting engages the knee portions and cams them outwardly thereby causing the legs to turn at the hinge points 21 and assume the upwardly and outwardly inclined positions shown in Figure 13.
  • the legs 20 could be provided with inturned ends at their upper extremities to provide cage elements extending over the light fitting.
  • the spacer device of Figures 14 to 16 has a central hub 24 with several elongate spokes 25 pivoted to the hub. Each of the spokes is linked by an arm to an expander 26 which is arranged to push out the spokes generally in similar manner to the principle used for expanding a conventional umbrella.
  • the device is inserted through the hole in a ceiling panel in a collapsed condition.
  • the expander is then forced up into locked engagement with the hub 24.
  • the free ends of the spokes have hooks 28 which are engaged with the edge of the hole, after which the expansion of the cage results in the spokes being bowed to define a frame of dome-like configuration.
  • the light fitting 10 and its ceiling ring may then be installed as shown in Figure 16.
  • the spokes 25 may include hinged segments 29 adjacent the hooks so that the segments extend radially outwardly from the edge of the hole above the panel.
  • spacer devices embodying the invention can also take other forms besides those specifically described without departing from the fundamental inventive concept of providing a frame structure to ensure a recess of predetermined minimum dimensions to receive a recessed light fitting.

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)

Claims (12)

  1. Eine Abstandsvorrichtung zur Verwendung mit einer vertieft eingebauten Lampenarmatur, die durch eine Öffnung hindurch, die in einem Befestigungspaneel vorgesehen ist, eingeführt und in ihr angebracht wird, wobei die Vorrichtung eine Mehrzahl von Elementen (1; 2; 15; 20; 25) umfaßt, die relativ zueinander bewegbar sind, damit die Vorrichtung durch die Öffnung in dem Paneel eingeführt und sich in den Raum hinter dem Paneel ausdehnen kann, um dadurch eine käfigförmige Struktur mit mehreren Elementen (4; 20; 25) zu bilden, die um die Öffnung herum angeordnet sind, um einen umbeschriebenen Umfang zu begrenzen, der von der vertieft eingebauten Lichtarmatur in allen radialen Richtungen nach außen beabstandet ist, wobei die Struktur dadurch einen minimalen Abstand zwischen der Lampenarmatur und irgendeiner benachbarten Oberfläche herstellt.
  2. Eine Abstandsvorrichtung, wie in Anspruch 1 beansprucht, in der die Vorrichtung eine Einrichtung zum Eingreifen an dem Rand der Öffnung einschließt, um die Vorrichtung an dem Paneel zu positionieren.
  3. Eine Abstandsvorrichtung, wie in Anspruch 2 beansprucht, in der die Eingriffseinrichtung Hakeneinrichtungen (6, 28) an freien Enden der genannten Elemente umfaßt.
  4. Eine Abstandsvorrichtung, wie in Anspruch 1, 2 oder 3 beansprucht, in der die Vorrichtung eine Federeinrichtung einschließt, die auf die Elemente 1, 2 wirkt, um die Elemente in die ausgedehnte Position vorzubelasten.
  5. Eine Abstandsvorrichtung, wie in Anspruch 4 beansprucht, in der die Elemente (1, 2) verschwenkbar verbunden sind und die Federeinrichtung eine Torsionsfeder (8) umfaßt.
  6. Eine Abstandsvorrichtung, wie in Anspruch 4 oder 5 beansprucht, in der die Elemente (1, 2) Anschlageinrichtungen (9) zum Begrenzen ihrer relativen Schwenkbewegung haben.
  7. Eine Abstandsvorrichtung, wie in Anspruch 4, 5 oder 6 beansprucht, in der jedes Element einen Querarm (3) umfaßt, um ein zu dem Paneel allgemein paralleles und hinter ihm beabstandetes Käfigelement zu bilden, wobei sich ein Bein (4) von jedem Ende des Querarms erstreckt und ein Fußabschnitt (5) mit dem Ende von jedem Bein dem Querarm gegenüberliegend verbunden ist, um an dem Paneel anzuliegen.
  8. Eine Abstandsvorrichtung, wie in Anspruch 1, 2 oder 3 beansprucht, in der die Elemente länglich und elastisch (15, 25) sind und angeordnet sind, damit sie gebogen werden, um einen kuppelförmigen Käfig zu bilden, wenn die Vorrichtung ausgedehnt ist.
  9. Eine Abstandsvorrichtung, wie in Anspruch 8 beansprucht, in der die Elemente (15) zusammengeschwenkt sind, wodurch sie im wesentlichen zum Einführen durch die Öffnung ausgerichtet werden können.
  10. Eine Abstandsvorrichtung, wie in Anspruch 8 beansprucht, in der die Elemente (25) an eine Nabe (24) verschwenkbar sind und daran verbundene Einrichtungen haben, um die Vorrichtung aus einem zusammengefalteten Zustand auszudehnen, in dem die Elemente im wesentlichen parallel sind.
  11. Eine Abstandsvorrichtung, wie in Anspruch 1, 2 oder 3 beansprucht, in der die Elemente (20) mit einem Ring (11) verbunden sind, der in die Öffnung in dem Paneel eingepaßt werden kann, und aus Positionen, die sich nicht radial nach außen über den Ring hinaus erstrekken, in eine ausgedehnte Position bewegbar sind, in der die Elemente voneinander von dem Ring fort divergieren.
  12. Eine Abstandsvorrichtung, wie in Anspruch 11 beansprucht, in der die Elemente (20) Abschnitte (22) haben, die nach innerhalb des Ringes (11) hervorstehen, um die Elemente in die ausgedehnte Position durch das Einführen der Lampenarmatur in Eingriff zu bringen.
EP90312106A 1989-11-10 1990-11-05 In der Decke integrierte Gehäuse Expired - Lifetime EP0427498B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB8925503A GB2237867B (en) 1989-11-10 1989-11-10 Light fittings
GB8925503 1989-11-10

Publications (3)

Publication Number Publication Date
EP0427498A2 EP0427498A2 (de) 1991-05-15
EP0427498A3 EP0427498A3 (en) 1991-11-06
EP0427498B1 true EP0427498B1 (de) 1995-05-17

Family

ID=10666129

Family Applications (1)

Application Number Title Priority Date Filing Date
EP90312106A Expired - Lifetime EP0427498B1 (de) 1989-11-10 1990-11-05 In der Decke integrierte Gehäuse

Country Status (3)

Country Link
EP (1) EP0427498B1 (de)
DE (1) DE69019468T2 (de)
GB (1) GB2237867B (de)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6367945B2 (en) 1998-06-03 2002-04-09 Spalding Lighting, Inc. Canopy luminaire assembly
DE102013112303A1 (de) 2013-11-08 2015-05-13 Kaiser Gmbh & Co. Kg Abstandshaltevorrichtung
DE202014105845U1 (de) 2014-12-04 2016-03-07 Kaiser Gmbh & Co Kg Hohldecke mit Brandschutzgehäuse sowie Brandschutzgehäuse

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19755996C2 (de) * 1997-12-17 2003-07-10 Edwin Weindl Einbauvorrichtung für eine Deckenleuchte in eine Zwischendecke
GB2354816B (en) * 1999-10-02 2003-08-20 John Sinnott Guard means for a lamp assembly
GB2486498A (en) * 2010-12-17 2012-06-20 Aurora Ltd Insulation distancing ventilation cover for a down light casing
FR2977300B1 (fr) * 2011-06-30 2014-09-12 Hellermanntyton Coiffage de lampe pour plafond
FR2977925B1 (fr) * 2011-07-15 2014-09-26 Hellermanntyton Dispositif de coiffage de lampe pour plafond
FR2982341B1 (fr) * 2011-11-08 2013-12-20 Ram Chevilles Et Fixations Soc Cage de dissipation thermique
FR2986055B1 (fr) * 2012-01-24 2015-04-03 Hellermanntyton Coiffage de lampe pour plafond
FR3004236B1 (fr) * 2013-04-03 2015-05-01 Ram Chevilles Et Fixations Cage thermique etanche
FR3011064B1 (fr) * 2013-09-24 2018-02-23 Moulages Plastiques Du Midi Dispositif de securisation destine a un luminaire encastre de type spot
DE102014101337B4 (de) * 2013-11-13 2015-06-18 Siteco Beleuchtungstechnik Gmbh Einlegering für drehbare Einbauleuchte
GB2536280B (en) * 2015-03-13 2017-03-29 Astro Lighting Ltd A spacer
GB201800066D0 (en) * 2018-01-03 2018-02-14 Scolmore Int Ltd Insulation Support
FR3081042B1 (fr) * 2018-05-09 2021-04-16 Midi Moulages Plast Dispositif de rehausse d'isolant pour la protection d'un systeme d'eclairage

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1452709A (fr) * 1965-07-21 1966-04-15 Dispositif pour la fixation des appareils d'éclairage dans les plafonds et faux plafonds, et applications analogues
DE8526751U1 (de) * 1985-09-19 1985-10-31 Brocke, Hartmut, 5828 Ennepetal Einbauleuchte

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6367945B2 (en) 1998-06-03 2002-04-09 Spalding Lighting, Inc. Canopy luminaire assembly
DE102013112303A1 (de) 2013-11-08 2015-05-13 Kaiser Gmbh & Co. Kg Abstandshaltevorrichtung
DE102013112303B4 (de) 2013-11-08 2022-09-22 Kaiser Gmbh & Co. Kg Abstandshaltevorrichtung
DE202014105845U1 (de) 2014-12-04 2016-03-07 Kaiser Gmbh & Co Kg Hohldecke mit Brandschutzgehäuse sowie Brandschutzgehäuse
EP3029212A2 (de) 2014-12-04 2016-06-08 Kaiser GmbH & Co. KG Hohldecke mit brandschutzgehäuse sowie brandschutzgehäuse

Also Published As

Publication number Publication date
DE69019468T2 (de) 1996-01-04
GB8925503D0 (en) 1989-12-28
EP0427498A2 (de) 1991-05-15
DE69019468D1 (de) 1995-06-22
GB2237867B (en) 1992-09-02
EP0427498A3 (en) 1991-11-06
GB2237867A (en) 1991-05-15

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