EP0116909B1 - Fixation de couvercle rabattable pour armature lumineuse - Google Patents

Fixation de couvercle rabattable pour armature lumineuse Download PDF

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Publication number
EP0116909B1
EP0116909B1 EP84101340A EP84101340A EP0116909B1 EP 0116909 B1 EP0116909 B1 EP 0116909B1 EP 84101340 A EP84101340 A EP 84101340A EP 84101340 A EP84101340 A EP 84101340A EP 0116909 B1 EP0116909 B1 EP 0116909B1
Authority
EP
European Patent Office
Prior art keywords
cover
supporting
holder
spring
bearing
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
Application number
EP84101340A
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German (de)
English (en)
Other versions
EP0116909A1 (fr
Inventor
Jürgen Brüggemann
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.)
Siemens AG
Original Assignee
Siemens 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
Priority claimed from DE19833305290 external-priority patent/DE3305290A1/de
Priority claimed from DE19833317274 external-priority patent/DE3317274A1/de
Priority claimed from DE19833334803 external-priority patent/DE3334803A1/de
Application filed by Siemens AG filed Critical Siemens AG
Priority to AT84101340T priority Critical patent/ATE24235T1/de
Publication of EP0116909A1 publication Critical patent/EP0116909A1/fr
Application granted granted Critical
Publication of EP0116909B1 publication Critical patent/EP0116909B1/fr
Expired 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

Definitions

  • the invention relates to the mounting of a lowerable lamp cover on a lamp housing according to the preamble of claim 1.
  • the object of the invention is to design the aforementioned holder so that the cover, which is lowered relative to the lamp housing and held by the suspension springs on two opposite sides of the lamp housing, can be detached from the suspension springs on one of the two sides and then around the suspension springs on the opposite side of the lamp housing is pivotable.
  • the spring holder 2 is fastened with side support walls 22 and an upper support wall 24 to the side wall 11 1 and / or the housing cover 12 of the lamp housing 1, the side support walls 22 having angled plug-in arms at their lower ends 221, which reach through assigned slots 111 in the side wall 11 of the lamp housing.
  • the side support walls 22 of the spring holder 2 are offset relative to its top wall 20 by approximately the thickness of the suspension spring 4, so that a guide space 23 is formed between the top wall 20 of the spring holder 2 and the side wall 11 of the lamp housing 1, which is parallel from below through a guide slot 231 is accessible to the side wall 11 and is laterally limited by the side walls 21 of the spring holder 2; the distance b between these side walls (FIG. 2) is smaller than the distance B between the projections 43 of the suspension spring 4.
  • the lamp cover 3 arranged in the light exit opening 13 of the lamp housing 1 is shown here as a grid with a longitudinal wall 30, which has a V-shaped, upwardly open edge region with a longitudinal edge 31 at the bottom.
  • the latter is bent over it in the area of the bearing arms 411 of the suspension spring 4 and thus forms bearing pieces 31 1 in which the bearing arms 411 can be rotated and have the inlet openings 3110 directed towards one another: Therefore, the suspension springs can be detached from it when the lamp cover 3 is pulled down by the support arms 41 of the suspension spring are pressed against each other. However, this is no longer possible even after a small rotation of the longitudinal wall 30 (in the direction of the arrow in FIG. 1), since then the locking tab 313 (see FIG. 2) between the support arms 41 of the suspension spring and thus limits their range of motion.
  • the lamp cover 3 is therefore already secured against inadvertent release from the suspension spring when it is swiveled down and in particular in the swiveled-out state.
  • a piece of the longitudinal edge 31 forms an earthing tab 312, which is bent so far inwards that the free end face of the bearing arms 411 of the suspension spring resiliently presses against its cutting edge 3121: this creates a ground connection between the suspension spring and lamp cover 3 is produced, which is guaranteed even if the longitudinal wall 30 of the lamp cover 3 consists of pre-coated sheet metal.
  • the downward-pointing support leg 432 being one includes an acute angle a with the plane of the light exit opening.
  • this angle is so large that this support leg 432 rests on the support edge 211 at the upper end of the side walls 21 of the guide space 23 with sufficient friction resistance to hold the lamp cover 3 in the light exit opening 13 (FIG. 2, drawn position of the support spring 4) .
  • the inclination of the support leg 432 enables the cover to be pulled down, the projections 43 of the support spring 4 being pressed against one another until they finally enter the guide space 23 and slide along the side walls 21 of the guide space 23 as they are pulled down, and also for one ensure safe ground contact (position of the suspension spring 4 'in Fig. 2).
  • the downward range of motion of the suspension spring 4 is limited by hooks 201 which protrude into the guide space 23 and on which the suspension spring 4 hooks (position of the spring designated by 4 "in FIG. 2).
  • the thighs 431 then press the Protrusions 43 against the lower edge 212 of the side walls 21 of the spring holder 2 and thus secure a ground connection, assuming the dimensional relationship shown in Fig. 2 and also that the support arms 41 of the suspension spring 4 in the position shown in Fig. 2 with outward bias press against the earthing tab 312.
  • FIGS. 4 to 6 An alternative to this is shown in FIGS. 4 to 6, in which a molded bearing part 5, preferably made of plastic, is provided, which has both two spaced-apart bearing pieces 511 and a locking tab 512 located between them.
  • This shaped bearing part 5 is placed on the free leg of the U-shaped longitudinal edge 31.1, which for this purpose has a somewhat recessed edge 31.13 and two recesses 31.11 for receiving the locking hooks 521 of spring legs 52 of the shaped bearing part.
  • Each spring leg 52 runs at a distance corresponding to the thickness of the sheet metal of the cover from a main leg 51 of the shaped bearing part 5.
  • the edge 31.13 of the longitudinal edge 31.1 of the cover 3.1 is set back from the edge of this free leg approximately by the height of the bearing pieces 511, so that the ends of the bearing arms 411 resiliently rest on the cutting edges 31.12 of the adjacent earthing tabs 312.1.
  • a spring holder 2.1 made of galvanized sheet metal is provided for each support spring 4.2 and is fastened to the housing cover 12 by means of a supporting wall 24.1.
  • This spring holder encloses with its cover wall 20.1 and laterally angled guide walls 22.1 (FIG. 9) the guide space 23.1, which is laterally delimited by side walls 21.1 and protrude into the hooks 201.1 from the cover wall 20.1.
  • each suspension spring 4.2 The two free ends of the support arms 41.2 of each suspension spring 4.2 are angled twice, namely once within a plane parallel to the light exit opening 13 and also in a plane perpendicular to this light exit opening: parallel to the plane of the light exit opening and to the longitudinal edge 31.2 of the cover 3.2 there is a free end piece in each case 410.2;
  • the bearing arm 411.2 (FIG. 11) perpendicular to this end piece 410.2 is also arranged in the same plane. This is also approximately perpendicular to the side wall 11 of the lamp housing 1.
  • the longitudinal edge 31.2 of the cover 3.2 has a slot-shaped recess 31.20 for each supporting spring 4.2, which runs parallel to this longitudinal edge and to the light exit opening (FIG. 10). Through this recess, the support arms 41.2 of each suspension spring with its bearing arm 411.2 and the adjoining end piece 410.2 engage in the upwardly open V-shaped edge region of the cover (FIG. 11).
  • the cover 3.2 is pivoted into the light exit opening 13 of the lamp housing 1 - as shown in broken lines in FIG. 11 - the upper edge 31.21 of the recess 31.20 rests on the bearing arms 41 1.2 of each suspension spring 4.2. If, on the other hand, the cover is pivoted out - as shown in FIG. 11 - then it lies on the bearing arms 411.2 with the edge 31.23 of its longitudinal edge 31.2.
  • each support spring 4.2 To unhook the cover, the support arms 41.2 of each support spring 4.2 must be pressed against one another until both end pieces 410.2 can pass through the slot-shaped recess 31.20. With the appropriate length of these end pieces, accidental, unintentional unhooking of the cover is therefore excluded.
  • the length of the cutout 31.20 is slightly smaller than the width b of the guide space 23.1 of the spring holder 2.1 (FIG. 8): this ensures that the ends of the support arms 41.2 always bear against the lateral cutting edges 31.22 of this cutout 31.20 and for an electrical one Provide connection.

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Securing Globes, Refractors, Reflectors Or The Like (AREA)
  • Semiconductor Lasers (AREA)

Claims (12)

1. Dispositif de fixation d'un couvercle de lampe (3) rabattable, sur un boîtier (1) de la lampe comportant des ressorts de support (4), dont chacun
- est relié au couvercle (3), dans la zone du bord de ce dernier, et
- possède une partie supérieure en forme de M comportant des bras extérieurs de support (41 .2) et un organe de liaison en forme de V (42) situé entre ces bras et comporte respectivement une partie saillante (43) munie d'une branche de support (42) située entre chaque bras de support et l'organe de liaison (42), les deux branches de support formant, par rapport au plan de sortie de la lumière, un an- gule aigu (a), dont le sommet est dirigé vers l'organe de liaison (42),

et comportant une fente de guidage, qui est prévue dans le boîtier de la lampe pour chaque ressort de support qui possède, sur deux côtés opposés, des bords d'appui (211) contre lesquels portent les deux branches de support (432) de chaque ressort du support (4), lorsque le couvercle est situé dans le boîtier de la lampe,
et comportant un dispositif de blocage, qui est situé dans le boîtier de la lampe et au moyen duquel chaque ressort de support (4) est maintenu lorsque le couvercle est rabattu,
caractérisé par le fait que
- le couvercle (3) est relié, sur deux côtés mutuellement opposés, par au moins deux ressorts respectifs de support (4) au boîtier (1) de la lampe, que chaque ressort de support
- est formé par un fil replié,
- et possède, au niveau des extrémités libres de ses bras de support (41, 41.2), des bras de soutien coudés (411, 411.2), sur lesquels le couvercle (3, 3.2) est monté de façon à pouvoir basculer,

qu'un espace de guidage (23, 23.1 ) se raccorde à la fente de guidage (231, 231.1 ) et s'étend à l'intérieur du boîtier de la lampe
que l'espace de guidage (23, 23.1) est limité
- par deux parois latérales (21, 21.1) parallèles et mutuellement en vis-à-vis et dont l'écartement (b) est inférieur à la distance B existant entre les parties saillantes (43) des ressorts de support, lorsque le couvercle est mis en place,
- par une paroi arrière (20, 20.1), qui s'étend entre les parois latérales (21, 21.1)
- et par une paroi de guidage (11, 22.1 ) qui s'étend parallèlement à la paroi arrière (20, 20.1 ) et est située à une distance de cette dernière qui est légèrement supérieure à l'épaisseur du ressort de support,

et qu'il est prévu comme dispositif de blocage au moins un crochet (201, 201.1) qui pénètre à l'intérieur de l'espace de guidage.
2. Dispositif de fixation suivant la revendication 1, caractérisé par le fait que les extrémités des bras de support (41, 41.2) des ressorts de support (4) sont appliquées élastiquement contre des arêtes vives (31.12, 31.22) du couvercle (3).
3. Dispositif de fixation suivant la revendication 2, caractérisé par le fait que le couvercle (3, 3.2) possède une zone marginale en forme de V, ouverte vers le haut et munie d'un bord longitudinal (31, 31.2), et que le couvercle est supporté par ce bord longitudinal, de façon à pouvoir basculer sur les bras de montage (411, 411.2) des ressorts de support (4, 4.2).
4. Dispositif de fixation suivant la revendication 3, caractérisé par le fait que chaque bras de support (41.2) d'un ressort de support (4.2) possède un bras de montage (411.2) qui est rabattu contre le bord longitudinal (31.2) du couvercle (3.2) et fait saillie, en cet endroit, à travers un évidement en forme de
fente (31.20), parallèle au bord longitudinal, et que les éléments d'extrémité (410.2) des deux bras de support (41.2) de chaque ressort de support (4.2) sont rabattus en sens opposé vers l'extérieur et parallèlement au bord longitudinal (31.2) du couvercle (3.2), au niveau de l'extrémité des bras de montage (411.2) (Figures 9, 10).
5. Dispositif de fixation suivant la revendication 4, caractérisé par le fait que la longueur de l'évidement en forme de fente (31.20) est approximativement égale ou inférieure à la largeur (b) entre les parois latérales (21.1) du support (2.1) des ressorts.
6. Dispositif de fixation suivant la revendication 3, caractérisé par le fait que les bras de support libres (41) des ressorts de support (4) possèdent des bras de montage (411) rabattus en sens opposé vers l'extérieur et parallèlement aux bord longitudinal (31) du couvercle (3) et qui sont enfichés avec possibilité de rotation dans les éléments formant paliers (311) du bord longitudinal (31 ), qui, pour leur part, possèdent des ouvertures (3110) dirigées l'une vers l'autre.
7. Dispositif de fixation suivant la revendication 6, caractérisé par le fait que le couvercle (3) de la lampe comporte, entre les éléments formant paliers (311), des languettes de blocage (313) qui permettent un resserrement des bras de support (41 ) du ressort de support (4) en vue de leur dégagement hors des éléments formant paliers (311), uniquement dans une zone étroitement limitée de basculement dans le cas d'un couvercle pratiquement non encore pivoté.
8. Dispositif de fixation suivant la revendication 7, caractérisé par le fait que respectivement deux éléments formant paliers (511) et une languette de blocage (512) font partie d'une pièce de forme d'un seul tenant (5) formant palier, qui est enfichée sur la partie de bord du couvercle (3) (Figures 4, 5, 6).
9. Dispositif de fixation suivant la revendication 7, caractérisé par le fait que des parties du bord longitudinal (31) du couvercle sont repliées de manière à former les éléments formant paliers (311) (Figure 1 ).
10. Support suivant l'une des revendications 1 à 9, caractérisé par le fait que le support (2, 2. 1) du ressort est constitué par une tôle nue inoxydable et est relié mécaniquement et de ce fait électriquement au boîtier (1) de la lampe.
11. Dispositif de fixation suivant la revendication 10, caractérisé par une paroi antagoniste réalisée sous la forme de deux parois de guidage (22.1), qui font partie du support (2.1 ) du ressort et sont repliées des deux côtés de sa paroi arrière (20.1 leurs bords libres étant dirigés en des sens opposés (Figure 9).
12. Dispositif de fixation suivant la revendication 10, caractérisé par le fait que la paroi antagoniste est une paroi (11) du boîtier (1) de la lampe (Figure 1).
EP84101340A 1983-02-16 1984-02-09 Fixation de couvercle rabattable pour armature lumineuse Expired EP0116909B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT84101340T ATE24235T1 (de) 1983-02-16 1984-02-09 Halterung einer absenkbaren leuchtenabdeckung.

Applications Claiming Priority (6)

Application Number Priority Date Filing Date Title
DE19833305290 DE3305290A1 (de) 1983-02-16 1983-02-16 Halterung einer absenkbaren leuchtenabdeckung
DE3305290 1983-02-16
DE3317274 1983-05-11
DE19833317274 DE3317274A1 (de) 1983-05-11 1983-05-11 Halterung einer absenkbaren leuchtenabdeckung
DE19833334803 DE3334803A1 (de) 1983-09-26 1983-09-26 Halterung einer absenkbaren leuchtenabdeckung
DE3334803 1983-09-26

Publications (2)

Publication Number Publication Date
EP0116909A1 EP0116909A1 (fr) 1984-08-29
EP0116909B1 true EP0116909B1 (fr) 1986-12-10

Family

ID=27190766

Family Applications (1)

Application Number Title Priority Date Filing Date
EP84101340A Expired EP0116909B1 (fr) 1983-02-16 1984-02-09 Fixation de couvercle rabattable pour armature lumineuse

Country Status (3)

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EP (1) EP0116909B1 (fr)
DE (1) DE3461672D1 (fr)
NO (1) NO163506C (fr)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0271770A2 (fr) * 1986-12-16 1988-06-22 Licentia Patent-Verwaltungs-GmbH Dispositif support de couvercle pour armature lumineuse
EP0682209A2 (fr) * 1994-05-13 1995-11-15 THORN LICHT GmbH Luminaire avec des dispositifs de suspension permettant le décrochage de l'écran
EP0726422A2 (fr) * 1995-02-13 1996-08-14 ZUMTOBEL LICHT GmbH Armature lumineuse, notamment pour salle blanche

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0633426A1 (fr) * 1993-07-09 1995-01-11 THORN LICHT GmbH Luminaire
DE19505471C2 (de) * 1995-02-17 1999-09-09 Fraenkische Leuchten Gmbh Federnder Einrastverschluß zur Befestigung einer Leuchtenabdeckung an einem Leuchtengehäuse
DE19706500C2 (de) 1997-02-19 2000-11-23 Ridi Leuchten Gmbh Einrichtung zur Befestigung eines Leuchtenrasters an einem Leuchtengehäuse
DE10216761B4 (de) * 2002-04-02 2007-07-19 Siteco Beleuchtungstechnik Gmbh Leuchte mit reibschlüssig befestigtem Leuchtenbauteil und zugehöriges Leuchtenbauteil
FR2866943B1 (fr) * 2004-02-27 2006-07-14 Sli France Dispositif de fixation d'une grille de luminaire
US8142048B2 (en) 2008-12-01 2012-03-27 Hubbell Incorporated Lighting assembly having end wall with retaining member
CN106555984A (zh) * 2017-01-13 2017-04-05 兰溪市巴士达照明电器有限公司 翻转式固定器

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0271770A2 (fr) * 1986-12-16 1988-06-22 Licentia Patent-Verwaltungs-GmbH Dispositif support de couvercle pour armature lumineuse
EP0271770A3 (en) * 1986-12-16 1989-12-20 Licentia Patent-Verwaltungs-Gmbh Device for attaching a light cover to its enclosure
EP0682209A2 (fr) * 1994-05-13 1995-11-15 THORN LICHT GmbH Luminaire avec des dispositifs de suspension permettant le décrochage de l'écran
EP0726422A2 (fr) * 1995-02-13 1996-08-14 ZUMTOBEL LICHT GmbH Armature lumineuse, notamment pour salle blanche

Also Published As

Publication number Publication date
NO840323L (no) 1984-08-17
EP0116909A1 (fr) 1984-08-29
DE3461672D1 (en) 1987-01-22
NO163506B (no) 1990-02-26
NO163506C (no) 1990-06-06

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