EP0268282B1 - Leuchte - Google Patents

Leuchte Download PDF

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Publication number
EP0268282B1
EP0268282B1 EP87117004A EP87117004A EP0268282B1 EP 0268282 B1 EP0268282 B1 EP 0268282B1 EP 87117004 A EP87117004 A EP 87117004A EP 87117004 A EP87117004 A EP 87117004A EP 0268282 B1 EP0268282 B1 EP 0268282B1
Authority
EP
European Patent Office
Prior art keywords
carrier
pressure
spring
detent means
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
EP87117004A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP0268282A2 (de
EP0268282A3 (en
Inventor
Manfred Grimm
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.)
Thorn Licht GmbH
Original Assignee
Thorn Licht GmbH
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 Thorn Licht GmbH filed Critical Thorn Licht GmbH
Priority to AT87117004T priority Critical patent/ATE84865T1/de
Publication of EP0268282A2 publication Critical patent/EP0268282A2/de
Publication of EP0268282A3 publication Critical patent/EP0268282A3/de
Application granted granted Critical
Publication of EP0268282B1 publication Critical patent/EP0268282B1/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
    • F21V17/00—Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages
    • F21V17/10—Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages characterised by specific fastening means or way of fastening
    • F21V17/16—Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages characterised by specific fastening means or way of fastening by deformation of parts; Snap action mounting
    • F21V17/164—Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages characterised by specific fastening means or way of fastening by deformation of parts; Snap action mounting the parts being subjected to bending, e.g. snap joints
    • 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
    • F21V17/10—Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages characterised by specific fastening means or way of fastening
    • F21V17/107—Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages characterised by specific fastening means or way of fastening using hinge joints

Definitions

  • the invention relates to a lamp, preferably a recessed ceiling lamp, according to the preamble of claim 1.
  • a luminaire cover is held on the luminaire housing by means of two-leg spring wire clips, in that these spring wire clips penetrate baffles arranged on the luminaire housing and are locked with the baffles in the operating position of the cover.
  • the legs of the spring wire bracket have hook-shaped bends on the top, such that when the lamp cover is overcome by overcoming the Spring wire brackets exerted locking forces pulls down, then these hook-shaped ends of the spring wire bracket come to rest laterally on the scenes and so then hold the cover in its suspended position. From this suspended position, the cover can be folded down by unhooking the spring wire bracket on one side of the lamp housing.
  • a secure protective conductor connection between the cover and the luminaire housing is not intended.
  • the manual insertion of the spring clip into the slots of the scenes is difficult and cannot be carried out easily by a single person.
  • the load-bearing capacity of such spring wire clips in their locked positions is not significant if they are so weakly designed that manual operation of them which requires relatively little force should be possible.
  • an electrical protective conductor connection between the grid and the luminaire housing which is secure even under difficult conditions, is obtained via the suspension devices.
  • the suspension devices are structurally simple and are suitable for economical manufacture and quick, easy assembly. They can also be easily designed so that they require little force to insert the carrier into the compression spring parts, even with high locking forces. Since the compression spring of the compression spring part constantly contacts the carrier inserted into it and presses it against the compression spring part, a secure electrical connection between the carrier and the compression spring part is always ensured as long as these two parts are in engagement with one another. Even when the grid is suspended and possibly folded down, the secure protective conductor connection between the Grid and the lamp housing guaranteed as long as at least one carrier is still loaded by the compression spring of the compression spring part assigned to it. This cannot lead to premature interruption of the electrically conductive protective conductor connection between the grid and the support and the luminaire housing, which is made for each individual suspension device.
  • this lamp is extremely easy and unproblematic even for inexperienced people and there is no safety hazard as a result of constantly good protective conductor connection between the grid and the luminaire housing.
  • the lamp can be of any desired type, preferably a recessed ceiling lamp.
  • the lamp housing can have a round, cuboid or any other desired shape. In the case of smaller luminaires, it is sufficient, at least in many cases, to hold the grid using only two suspension devices.
  • the individual suspension device need only consist of the compression spring part and the support, these two parts preferably being inexpensive to produce stamped and bent parts. With larger lights, however, more than two suspension devices can be provided, preferably four.
  • the luminaire 10 shown in the drawing which may preferably be a recessed ceiling luminaire, has a metallic luminaire housing 11 and a metallic grid 13 detachably held in it by means of suspension devices, such as 9. Furthermore, a lamp 12, which in this exemplary embodiment can be a straight fluorescent lamp, is arranged in the lamp housing 11.
  • the grid 13 has two profile side plates 14 which are concavely curved as seen from the lamp space and serve as metallic side reflectors and which are firmly and electrically conductively connected to one another by metallic transverse lamellae 15 inserted in their lower region.
  • the suspension devices 9 are of identical design and each have a support 26 and a compression spring part 33, each support 26 is pivotally articulated to a holding part 17 of the grid 13.
  • the side plates 14 of the grid 13 each have an upwardly open channel 16 which extends over their length. At least one resilient holding part 17 is inserted into each such groove. Depending on the length of the lamp 10, a holding part 17 or a plurality of holding parts 17 can be inserted into the individual grooves 16, to each of which a support 26 is pivotally articulated.
  • a perspective view of such a holding part 17 is shown in FIG. 6. It consists of spring plate and also has a groove 19 on the underside, which is inserted in a form-fitting manner in the groove 16 of the side plate 14 in question.
  • This holding part 17 has an arcuate bulge 20, which serves its better self-resilience and on the top it has two sharp claws or tips 21, over which the side plate 14 in question is bent in a hook shape, so that this tip makes safe electrical contact in the side plate 14 push something in, since this holding part 17 is resiliently biased so that this safe electrical contact is constantly maintained.
  • the holding part 17 is a one-piece stamped and bent part which, after it has been bent, has been hardened to produce its resilient properties. It has on the outside of its channel 19 a bearing bracket 23 which, as shown, has two free legs 22 each provided with a bearing hole. The intermediate web 25 connecting these free-ended legs 22 is split for better suspension of these mutually aligned bearing holes, such as 24, of the arm 23 having legs 22 by two L-shaped, symmetrical incisions, so that these legs 22 can spring well. These legs 22 of the bracket are bent so that they are preloaded on the rigid support 26 rotatably mounted in their bearing holes 24 Establishing secure electrical connection between the holding part 17 and the metallic carrier 26 are pressed.
  • the support 26 is an L-shaped, rigid sheet metal strip, which has on its short lower, approximately horizontal leg 27 two with stamped, aligned pins 28, which in the bearing holes 24 of the bracket 23 for pivoting the bracket forming a pivot bracket 26 intervene.
  • the two legs 22 of the bearing bracket 23 are always with prestress against the support 26 rotatably mounted in them, in order to always provide reliable electrical contact between the support 26 and the holding part 17.
  • the carrier 26 shown diagrammatically in FIG. 5 has a latching lug 30 and a retaining projection 31 on its long, approximately vertical, straight leg 29.
  • the entire support 26 is made in one piece from sheet metal by stamping and bending. Its holding projection 31 is in the form of a flat tab formed by punching and right-angled bending, and the latching lug 30 is made by punching two mutually parallel slots and bending out the resultant thereby Bridges made in approximately V-shaped shape.
  • the compression spring part 33 of the individual suspension device 9, shown diagrammatically in FIG. 4, is also made of sheet metal by punching and bending and is made of resilient metal. It has a flat, broad main area 34, which bears on a flat area of the side wall 35 of the lamp housing 11. On the upper side adjoin this main area 34 two claws or tines 36 leading upwards in an arc, which protrude through small holes in the ceiling 37 of the lamp housing 11 and which widen in a downward direction from their free ends so that they reach the edges of these holes are constantly pressed with resilient self-bias to create permanent, secure electrical connection between the metallic lamp housing 11 and this metallic compression spring part 33.
  • This one-piece compression spring part 33 also has in the vicinity of its lower end, just above its cranked end region 38, two resilient tabs projecting obliquely backwards downwards, which are seated firmly on the lower edges of the housing 11 through corresponding small holes in the side wall 35 protrude through.
  • This compression spring part 33 is thereby supported on the underside of the lamp housing and its prongs 36 are constantly pressed with resilient bias against the edges of the ceiling holes of the lamp housing 11 which they penetrate, so that it is detachably held on the lamp housing.
  • This compression spring part 33 has a tongue-shaped leaf spring 39 which is stamped in one piece with it and whose free end region, as shown, is angled in a V-shape.
  • This leaf spring 39 attaches in one piece to the upper edge of a circumferentially closed opening 40 of the compression spring part, which opening 40 extends from the upper foot of the leaf spring 39 approximately to the beginning of the lowest, flat end region 41 of the compression spring part 33 or a short distance into it extends.
  • This opening 40 which has a constant width, therefore also passes through the short, flat transverse region 42 of the compression spring part 33 which runs perpendicular to the lower end region 41 and to the main region 34.
  • the transverse region 42 is horizontal and the regions 34, 41 are directed vertically.
  • This opening 40 is penetrated by the carrier 26, as shown, and the carrier 26 can only from it in the downward direction at the same time manual sideways movement are pulled out so that the carrier 26 is secured against unintentional removal from the compression spring part 33.
  • the lower edge 43 of the opening 40 forms both a support for the holding projection 31 of the carrier 26 and a catch for the locking lug 30 of the carrier 26.
  • the support 26 penetrating the opening 40 of the compression spring part is in its uppermost position, which is latched to the compression spring part 33 and in which its lower end 30 is held by the compression spring 39 of the compression spring part 33 is pressed laterally onto the lower edge 43 of the opening 40, which serves as a catch.
  • the compression springs 39 ensure reliable electrical contact of the supports 26 with them as long as the supports 26 are not detached from the compression spring parts 33. All other connection points between the lamp housing 11 and grid 13 via the suspension devices 9 are electrically conductive connections, so that excellent and secure electrical protective conductor connection between the grid 13 and the lamp housing 11 is ensured via each of the suspension devices 9, as long as at least one carrier 26 in the associated compression spring part 33 is inserted.
  • These suspension devices 9 are also inexpensive and very easy to assemble and enable extremely simple suspension and folding of the grid 13 even by inexperienced people.
  • the return of the grid 13 into its operating position inserted into the lamp housing 11 is also extremely simple and can also be carried out by inexperienced persons such as housewives or the like.

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Securing Globes, Refractors, Reflectors Or The Like (AREA)
  • Fastening Of Light Sources Or Lamp Holders (AREA)
  • Non-Portable Lighting Devices Or Systems Thereof (AREA)
  • Endoscopes (AREA)
  • Projection Apparatus (AREA)
EP87117004A 1986-11-20 1987-11-18 Leuchte Expired - Lifetime EP0268282B1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT87117004T ATE84865T1 (de) 1986-11-20 1987-11-18 Leuchte.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3639591 1986-11-20
DE3639591 1986-11-20

Publications (3)

Publication Number Publication Date
EP0268282A2 EP0268282A2 (de) 1988-05-25
EP0268282A3 EP0268282A3 (en) 1990-02-07
EP0268282B1 true EP0268282B1 (de) 1993-01-20

Family

ID=6314326

Family Applications (1)

Application Number Title Priority Date Filing Date
EP87117004A Expired - Lifetime EP0268282B1 (de) 1986-11-20 1987-11-18 Leuchte

Country Status (5)

Country Link
EP (1) EP0268282B1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
AT (1) ATE84865T1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
DE (1) DE3783725D1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
ES (1) ES2037062T3 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
GR (1) GR3007237T3 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2736994B1 (fr) * 1995-07-18 1997-08-29 Raymond A & Cie Systeme de fixation de grille de luminaire avec continuite de masse
DE19706500C2 (de) 1997-02-19 2000-11-23 Ridi Leuchten Gmbh Einrichtung zur Befestigung eines Leuchtenrasters an einem Leuchtengehäuse
DE19744392C1 (de) * 1997-10-08 1999-04-08 Lenneper Gmbh & Co Kg Anordnung zur Befestigung eines Funktionsteiles in einem Gehäuse
DE20016141U1 (de) * 2000-09-18 2002-01-24 Zumtobel Staff Gmbh, Dornbirn Rasterstütze für eine Leuchte und Leuchte, insbesondere Einbauleuchte
CN107940407B (zh) * 2017-10-31 2019-09-10 顾南江 灯座与灯泡的安装结构

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE7522285U (de) * 1975-11-06 Zumtobel Kg Einrichtung zur lösbaren Verbindung zweier Bauteile
US2792245A (en) * 1956-11-29 1957-05-14 Marvin Electric Mfg Company Means for attaching a bezel
US2960361A (en) * 1957-03-11 1960-11-15 Thomas Industries Inc Spring fastener and supplemental support
US3302019A (en) * 1964-09-29 1967-01-31 Smithcraft Corp Incandescent light fixture improvements
DE2607129C3 (de) * 1976-02-21 1982-01-14 Trilux-Lenze Gmbh + Co Kg, 5760 Arnsberg Leuchte mit einem federnden Einrastverschluß
DE2655252C2 (de) * 1976-12-07 1987-01-08 Trilux-Lenze Gmbh + Co Kg, 5760 Arnsberg Leuchte
DE2655251C2 (de) * 1976-12-07 1982-06-03 Trilux-Lenze Gmbh + Co Kg, 5760 Arnsberg Leuchte
DE2855031A1 (de) * 1978-12-20 1980-07-10 Trilux Lenze Gmbh & Co Kg Langgestreckte leuchte
DE2915099C2 (de) * 1979-04-12 1982-05-06 Siemens AG, 1000 Berlin und 8000 München Verschluß zum lösbaren Haltern eines Rasters mit Querlamellen in einem Leuchtengehäuse

Also Published As

Publication number Publication date
EP0268282A2 (de) 1988-05-25
DE3783725D1 (de) 1993-03-04
EP0268282A3 (en) 1990-02-07
ATE84865T1 (de) 1993-02-15
ES2037062T3 (es) 1993-06-16
GR3007237T3 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1993-07-30

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