EP0499044B1 - Recessed light fitting - Google Patents

Recessed light fitting Download PDF

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Publication number
EP0499044B1
EP0499044B1 EP92100795A EP92100795A EP0499044B1 EP 0499044 B1 EP0499044 B1 EP 0499044B1 EP 92100795 A EP92100795 A EP 92100795A EP 92100795 A EP92100795 A EP 92100795A EP 0499044 B1 EP0499044 B1 EP 0499044B1
Authority
EP
European Patent Office
Prior art keywords
latching
bracket
built
cylindrical hollow
ceiling 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.)
Expired - Lifetime
Application number
EP92100795A
Other languages
German (de)
French (fr)
Other versions
EP0499044A1 (en
Inventor
Bernd Hoffbauer
Rolf Kittsteiner
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.)
HERNER GLAS BERND HOFFBAUER GmbH and Co LEUCHTEN und INDUSTRIEGLAS KG
Original Assignee
HERNER GLAS BERND HOFFBAUER GmbH and Co LEUCHTEN und INDUSTRIEGLAS KG
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
Priority to DE4104727 priority Critical
Priority to DE4104727A priority patent/DE4104727C1/de
Application filed by HERNER GLAS BERND HOFFBAUER GmbH and Co LEUCHTEN und INDUSTRIEGLAS KG filed Critical HERNER GLAS BERND HOFFBAUER GmbH and Co LEUCHTEN und INDUSTRIEGLAS KG
Publication of EP0499044A1 publication Critical patent/EP0499044A1/en
Application granted granted Critical
Publication of EP0499044B1 publication Critical patent/EP0499044B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21LIGHTING
    • F21SNON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • F21S8/00Lighting devices intended for fixed installation
    • F21S8/02Lighting devices intended for fixed installation of recess-mounted type, e.g. downlighters
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21LIGHTING
    • F21SNON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • F21S8/00Lighting devices intended for fixed installation
    • F21S8/02Lighting devices intended for fixed installation of recess-mounted type, e.g. downlighters
    • F21S8/026Lighting 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
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21LIGHTING
    • F21VFUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V21/00Supporting, suspending, or attaching arrangements for lighting devices; Hand grips
    • F21V21/02Wall, ceiling, or floor bases; Fixing pendants or arms to the bases
    • F21V21/04Recessed bases

Description

  • The invention relates to a recessed ceiling luminaire with a bracket that can be received in a ceiling cavity and has at least two bracket legs connected to one another via a web-shaped head part, each of which has an outwardly expandable retaining spring that can be supported on the top of a ceiling element and adjacent to its free bracket leg ends approximately the inner circumference of a ceiling installation opening having an annular bearing flange which can be supported directly on the outside of the ceiling face, and a lamp holder fitting for a reflector lamp or for a reflectorless lamp is held between the bracket legs.
  • Such a recessed ceiling light is described in GB-A-2 230 591.
  • The recessed ceiling light according to GB-A-22 30 591 has a multi-part bracket with two side parts and a yoke connecting the side parts. The reflector lamp of the known recessed ceiling light is supported, together with the lamp holder fitting, by means of springs in latching recesses in the side parts of the bracket.
  • In contrast to GB-A-2 230 591, another known recessed ceiling luminaire according to FR-A-11 76 345 has a U-shaped rigid retaining bracket, on the head part of which points towards a contact flange Lamp holder fitting is attached immediately. Meanwhile, the holding bracket according to FR-A-11 76 345 does not have any retaining springs, but rather has height-adjustable support feet connected by means of knurled nuts, which are supported laterally next to the bracket legs on top of the ceiling element. The retaining flange of the known recessed ceiling light represents a bent-back outer area of a sheet metal sleeve enclosing a lamp, which receives screws pointing radially outward for fastening the bracket legs by means of knurled nuts.
  • Starting from the recessed ceiling light according to GB-A-2 230 591, the object of the invention is to create an all-glass recessed ceiling light which, despite the extensive use of the additional material glass, has a simple and also inexpensive to use, functional design .
  • According to the invention, this object is achieved by the characterizing features of patent claim 1.
  • According to the invention, the entire lamp body is made of glass. This uniform luminaire body also forms the contact flange. In contrast to the prior art, the recessed ceiling light fixture according to the invention therefore does not have a metal flange. The latter is formed by simplifying the design from the uniform lamp body made of glass itself.
  • In the recessed luminaire according to the invention, therefore, a uniform luminaire body made of translucent material decisively influences the light impression acting on the viewer, especially since - in contrast to the prior art - in the recessed luminaire according to the invention, metal components take a back seat, the functions of which largely differ from the translucent material existing luminaire body are taken over.
  • In the known ceiling recessed luminaires described, the reflector is either attached to the contact flange by means of a snap ring or it lies on the inside on the end face of a collar-shaped attachment of a perforated disk-like glass body. In contrast to the known, however, in the recessed ceiling light according to the invention, the lampholder fitting is fastened to the web-shaped head part of the holding bracket in a safe and technically advantageous manner. Because in both of the known recessed luminaires described above, the lamp is only attached via the reflector, the known recessed luminaires are only suitable for halogen reflector lamps. In the recessed luminaire according to the invention, however, halogen reflector lamps and reflectorless lamps can be used as an alternative, since they are held by means of the lampholder (lamp base) on the head part of the holding bracket.
  • An advantageous embodiment of the invention is that the circular cylindrical hollow body receives the lamp held by the lamp holder fitting or its reflector with a free clearance on all sides. The reflectorless lamp or the lamp provided with a reflector therefore dips to a certain extent into the circular-cylindrical glass hollow body with all-round spacing, as a result of which advantageous thermal insulation with respect to the ceiling installation field is achieved.
  • In contrast to the known ceiling light of this type described at the outset, in the recessed ceiling light according to the invention the bracket is made of resilient material, in particular spring steel. In this way, a simple spring lock with the cylindrical glass body is guaranteed.
  • Of course, the recessed luminaire according to the invention can be used wherever a recessed cavity is available, that is to say also in rising walls. Depending on the application, the retaining springs can be replaced by appropriate equivalent retaining means, such as, for example, swivel bodies, screws, friction elements or the like.
  • Further features of the invention result from additional subclaims.
  • Preferred exemplary embodiments according to the invention are shown in the drawings, in which:
    • Fig. 1 is a ceiling light mounted in a building ceiling in vertical section and
    • Fig. 2 is a partial view of the recessed ceiling light before locking the lamp body with the bracket, otherwise approximately according to the arrow indicated in Fig. 1 and designated II.
  • In Fig. 1, a recessed ceiling light is generally designated by the reference number 10.
  • The recessed ceiling light 10 has a retaining bracket 11 made entirely of spring steel, which has a bracket web 12 as the head part, which connects two bracket legs 13 projecting downwards at right angles from it.
  • The bracket legs 13 can be pivoted away from one another in a resilient manner in the direction of the arrows labeled a and b.
  • Adjacent to the free temple leg ends 14, two latching tongues 15 are cut out approximately like a window from the temple limbs 13, which only through a straight line-like edge region over a tongue root 16 is integrally connected to the respective stirrup leg 13.
  • Each free end of a latching tongue 15 is delimited by a latching edge 17 parallel to the tongue root 16. The latching tongues 16 are each angled inward, ie always pointing to the other bracket leg 13.
  • Above each latching tongue 15, a retaining spring 18 provided with two legs 19, 20 is pivotably articulated via spring eyes 21 to axially stub-like extensions 22 cut free within the bracket legs 13 in the plane of the drawing according to FIG. 1. In this way, the bracket 11, which as a further essential component of the recessed luminaire 10 carries a uniform luminaire body 23, can be inserted together with the latter in the mounting direction y into a circular ceiling installation opening 24 of a plate-like ceiling element 25 in the ceiling cavity 40. The visible surface of the ceiling element 25 is designated by 26, while the upper back surface of the ceiling element 25 is designated by 27. After installation, the legs 20 of the two retaining springs 18 can be supported on the ceiling-side back surface 27 and the shorter legs 19 on the inside of the reveal 28 of the ceiling installation opening 24.
  • The one-piece, integrally cohesive luminaire body 23 has an annular bearing flange, designated overall by 29, whose bearing surface, which is supported on the face surface 26, is designated by 30. Uniform and cohesive is followed by an essentially circular-cylindrical hollow body 31 on the bearing flange 30, which carries latching projections 33 formed on its outer lateral surface 32, each of which has an approximately inclined ramp-like sliding surface 34, to which an inwardly directed latching surface 35 adjoins.
  • As can be seen from FIG. 1, the latching surfaces 35 are positively engaged or gripped by the latching edges 17 of the latching tongues 15.
  • On the inside, the hanger web 12 carries in a hanging arrangement a socket fitting (base) 36, which carries a low-voltage halogen reflector lamp (e.g. with the short name QR 38; 12-volt operating voltage, 15 watts of power, base B 15 D). The lamp is generally designated 37, while the reflector bears the reference number 38.
  • From Fig. 1 it can be clearly seen that the reflector 38 is arranged at all sides distance s to the inner wall surface 39 of the circular cylindrical hollow body 31. In this way, there is an excellent thermal insulation between the heating reflector 38 and the built-in parts located in the ceiling cavity 40.
  • The contact flange 29 can either carry a loosely placed diffuser 42 of circular basic shape on an annular inner projection 41, or the inner projection 41 in Be continued in the form of an integrally integrally connected cover plate 43.
  • 1 that the contact flange 29 can produce an appealing lighting effect due to its approximately prismatic cross section.
  • From Fig. 2 it can be seen how a bracket leg 13 with its latching tongue 15 can be moved into engagement with a latching surface 35 of a latching projection 33. The width c of the bow leg 13 made of flat material corresponds approximately to the inside width 1 of two spaced-apart axial guide ribs 44, which extend parallel to the surface line of the outer surface 32. The ribs 44 can receive the bracket leg 13 between them during the insertion movement in the direction x until the tongue-side latching edge 17 engages behind the latching surface 35 of the lamp-side latching projection 33.
  • In addition, it should also be mentioned that the two schematically illustrated electrical supply lines for the 12-volt supply of the halogen lamp 37 are designated 45, 46.
  • Of course, the disks 42 or 43 can be completely omitted in certain applications, so that the lamp 37 emits a large part of the luminous flux directly through the light exit opening 47.

Claims (11)

  1. Built-in type ceiling light (10) with a holding bracket (11) which can be received in a ceiling cavity (40) and has at least two bracket sidepieces (13) which are joined together via a web-shaped top part (12), each carry a holding spring (18) that can be spread outwards and can be supported, at the top, on a ceiling element (25), and also carry, adjacent to their free bracket sidepiece ends (14), a circular ring-shaped abutment flange (29) which has approximately the inner circumference of a ceiling installation aperture (24) and can be supported, on the outside, directly on the visible surface (26) of the ceiling, and wherein a lampholder fitting (36) for a reflector lamp (37) or for a reflector-less lamp is held between the bracket sidepieces (13), characterized in that
    - the circular ring-shaped abutment flange (29) consists of glass and, while forming a homogeneous light body (23), is connected, with homogeneity of material and in a material-locking manner, to an approximately circularly cylindrical hollow body (31) that points towards the top part (12),
    - latching means (33) are formed onto the outer superficies (32) of the circularly cylindrical hollow body (31),
    - there is arranged, on the outside of the light body (23), a detachable, approximately U-shaped holding bracket (11) which consists of two bracket sidepieces (13) and a bracket web (12) and of which the bracket sidepieces (13) engage axially over the circularly cylindrical hollow body (31) and have diametrically opposed counter-latching means (15) which are detachably latch-connected to the formed-on latching means (33) of the circularly cylindrical hollow body (31), and
    - the lamp holder fitting (36), which points towards the abutment flange (29), is fastened directly to the top part (12).
  2. Built-in type ceiling light according to Claim 1, characterized in that the circularly cylindrical hollow body (31) receives the lamp (37) held by the lamp holder fitting (36), or receives the reflector (38) of the said lamp, with a clear interval (s) all round.
  3. Built-in type ceiling light according to Claim 1, characterized in that the abutment flange (29) has an approximately prismatic cross-section.
  4. Built-in type ceiling light according one of Claims 1 to 3, characterized in that, adjacent to the inner circumference of the abutment flange (29), the light body (23) receives a transparent circular disc (42, 43) extending approximately in the plane of abutment (at 30) of the abutment flange (29).
  5. Built-in type ceiling light according to Claim 4, characterized in that the transparent circular disc (43) is connected, with homogeniety of material and in a material-locking manner, to the circularly cylindrical hollow body (31) and/or to the abutment flange (29).
  6. Built-in type ceiling light according to Claim 4, characterized in that the transparent circular disc (42) is held on the abutment flange (29) and/or on the circularly cylindrical hollow body (31) in a form-locking manner.
  7. Built-in type ceiling light according to Claim 6, characterized in that the transparent circular disc (42) is held in an easily detachable manner.
  8. Built-in type ceiling light according to one of Claims 1 to 7, characterized in that the holding bracket (11) consists of resilient material, such as for example spring steel or the like.
  9. Built-in type ceiling light according to Claim 8, characterized in that the free bracket sidepiece ends (13) have, as counter-latching means, inwardly directed latching tongues (15) which have been cut free and point, with their free ends, towards the top part (12) and of which that latching edge (17) which bounds the free end in each case engages behind the latching means, which is constructed as a latching projection (33), of the circularly cylindrical hollow body (31).
  10. Built-in type ceiling light according to Claim 9, characterized in that the latching projection (33) forms a sliding surface (34) of the inclined ramp type which is approximately directed away from the circularly cylindrical hollow body (31) and which is adjoined, in an inwardly directed manner, by a latching surface (35).
  11. Built-in type ceiling light according to Claim 10, characterized in that the latching surface (35) is arranged between two guide ribs (44) which are arranged at a circumferential angular interval from one another and extend parallel to the surface line of the circularly cylindrical hollow body (31) and the circumferential interval (l) between which essentially corresponds to the width (c) of a bracket sidepiece (13).
EP92100795A 1991-02-15 1992-01-18 Recessed light fitting Expired - Lifetime EP0499044B1 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
DE4104727 1991-02-15
DE4104727A DE4104727C1 (en) 1991-02-15 1991-02-15

Publications (2)

Publication Number Publication Date
EP0499044A1 EP0499044A1 (en) 1992-08-19
EP0499044B1 true EP0499044B1 (en) 1995-11-15

Family

ID=6425151

Family Applications (1)

Application Number Title Priority Date Filing Date
EP92100795A Expired - Lifetime EP0499044B1 (en) 1991-02-15 1992-01-18 Recessed light fitting

Country Status (5)

Country Link
EP (1) EP0499044B1 (en)
AT (1) AT130424T (en)
DE (2) DE4104727C1 (en)
ES (1) ES2080347T3 (en)
TR (1) TR26734A (en)

Families Citing this family (27)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4309804C2 (en) * 1993-03-29 1995-05-11 Hoffbauer Herner Glas Recessed ceiling light
EP0699863A3 (en) * 1994-08-12 1997-09-17 Matsushita Electric Ind Co Ltd Luminaire for interior lighting
DE4443682A1 (en) * 1994-12-08 1996-06-13 Bosch Gmbh Robert Vehicle headlight with clip fastening plastic lens
DE29504730U1 (en) * 1994-12-09 1996-04-18 Zumtobel Licht Recessed luminaire
DE19503496A1 (en) * 1995-02-03 1996-08-08 Holger Hartz Ceiling luminaire for room illumination
DE19507333A1 (en) * 1995-03-02 1996-09-05 Holger Hartz Concealed lighting fitting for ceiling mounting
IT240401Y1 (en) * 1996-01-23 2001-04-02 Guzzini Illuminazione Srl I A lighting apparatus of the recessed type
ES2149644B1 (en) * 1996-05-13 2001-05-16 Nerviplast Sa Guide device for assembly of empoted and similar lamps.
FI104442B (en) 1998-07-02 2000-01-31 Jari Ruuttu Illuminator
DE29906238U1 (en) * 1999-04-07 2000-08-17 Zumtobel Staff Gmbh Luminaire with at least two, in particular elongated, lamps arranged side by side
ES1057114Y (en) * 2004-03-25 2005-01-16 Friedemann Hoffmann Empotrable lighting device.
GB2422191B (en) * 2005-01-27 2007-01-10 Rd Europe Ltd Fire-resistant lighting fitting
DK1936265T3 (en) 2006-03-06 2010-11-15 Antares Iluminacion Sa Device for installing recessed lamps in a flat
DE102006013823A1 (en) * 2006-03-23 2007-09-27 Herner Glas Bernd Hoffbauer Gmbh & Co Leuchten Und Industrieglas Kg Built-in illumination of building, has catch spring, which sustains with hollow body entry, whereas edge section of illuminating body and terminal front side overlaps with opening of barrier
DE102006060499B4 (en) * 2006-12-19 2009-11-26 Miele & Cie. Kg Extractor hood with a housing in which a lamp is arranged
JP2010257745A (en) * 2009-04-24 2010-11-11 Panasonic Electric Works Co Ltd Luminaire
DE102010018118A1 (en) * 2010-04-24 2011-10-27 Hella Kgaa Hueck & Co. Receiving device for light of illumination device, has light socket including spring retainers, spring element received in spring retainers, where light socket includes hold arrangement in which spring element is locked
DE102010026485A1 (en) * 2010-07-07 2012-01-12 Grohe Ag Shower device for installation in cover or in wall, has fixing device provided with holding elements, which has one or multiple spring clamps, where holding elements are firmly connected with shower device
DE202013101769U1 (en) * 2013-04-24 2014-07-28 Zumtobel Lighting Gmbh Luminaire with a light generating unit and a frame element
DE102013021357B4 (en) * 2013-12-16 2015-11-05 Glashütte Limburg Leuchten Gmbh + Co. Kg Luminaire with light guide
DE102014003109B4 (en) * 2014-03-11 2015-10-15 Nordeon Gmbh Device for mounting luminaires in a ceiling and installation system and assembly with it
US9732946B2 (en) * 2014-05-15 2017-08-15 GE Lighting Solutions, LLC Luminaire ceiling mounting mechanism
EP3234274A2 (en) 2014-12-18 2017-10-25 Armstrong World Industries, Inc. Integrated ceiling and light system
GB2557957B (en) * 2016-12-20 2019-02-20 Integral Memory Plc A fire resistant recessable light unit
USD886569S1 (en) 2018-12-31 2020-06-09 Luminii Mounting bracket
US10816173B2 (en) 2018-12-31 2020-10-27 Luminii Mounting brackets
USD899898S1 (en) 2018-12-31 2020-10-27 Luminii Mounting bracket

Citations (1)

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Publication number Priority date Publication date Assignee Title
GB2230591A (en) * 1989-04-04 1990-10-24 Illuma Lighting Ltd Electrical light fitting

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US2456903A (en) * 1946-05-18 1948-12-21 Versen Kurt Lighting fixture
FR1176345A (en) * 1957-05-29 1959-04-09 Metalix Electrical apparatus, especially intended to be incorporated in false ceilings
FR1382033A (en) * 1964-02-11 1964-12-14 Century Lighting Mounting device, in particular for lighting apparatus
US3370165A (en) * 1966-12-28 1968-02-20 Lightolier Inc Recessed lighting fixture
GB2154724B (en) * 1984-02-21 1988-09-14 Illuma Designs Limited Electric light fitting
FR2593268B1 (en) * 1986-01-23 1988-02-19 Houplain Georges Device comprising a removable support for ceiled recessed luminaires
DE3643307C2 (en) * 1986-02-27 1995-08-03 Bosch Siemens Hausgeraete Lighting device for a microwave oven
DE8809590U1 (en) * 1988-07-27 1988-09-22 Siemens Ag, 1000 Berlin Und 8000 Muenchen, De
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Patent Citations (1)

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Publication number Priority date Publication date Assignee Title
GB2230591A (en) * 1989-04-04 1990-10-24 Illuma Lighting Ltd Electrical light fitting

Also Published As

Publication number Publication date
DE59204289D1 (en) 1995-12-21
DE4104727C1 (en) 1992-08-27
ES2080347T3 (en) 1996-02-01
TR26734A (en) 1995-05-15
AT130424T (en) 1995-12-15
EP0499044A1 (en) 1992-08-19

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