EP0466584B1 - Scheinwerfer - Google Patents

Scheinwerfer Download PDF

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Publication number
EP0466584B1
EP0466584B1 EP19910401912 EP91401912A EP0466584B1 EP 0466584 B1 EP0466584 B1 EP 0466584B1 EP 19910401912 EP19910401912 EP 19910401912 EP 91401912 A EP91401912 A EP 91401912A EP 0466584 B1 EP0466584 B1 EP 0466584B1
Authority
EP
European Patent Office
Prior art keywords
projector
housing
lamp
sockets
base
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
EP19910401912
Other languages
English (en)
French (fr)
Other versions
EP0466584A1 (de
Inventor
Marcel Perche
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.)
PERCHE Ets
Original Assignee
PERCHE Ets
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 PERCHE Ets filed Critical PERCHE Ets
Publication of EP0466584A1 publication Critical patent/EP0466584A1/de
Application granted granted Critical
Publication of EP0466584B1 publication Critical patent/EP0466584B1/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
    • F21V19/00—Fastening of light sources or lamp holders
    • F21V19/02—Fastening of light sources or lamp holders with provision for adjustment, e.g. for focusing

Definitions

  • the present invention relates to lighting projectors equipped with a tubular lamp provided with contact pads at each end, for example a metal halide lamp, or a halogen lamp or even a tubular filament lamp.
  • projectors of this kind comprise two sockets which are arranged on either side of the space provided for it and which are capable of receiving the contact pads of such a lamp
  • the term "socket" generally designates any part having a receiving housing inside which is provided an electrical supply contact capable of being applied to the end contact pad of the corresponding lamp.
  • the sockets thus provided are fixed to the frame of the projector or possibly to the housing thereof.
  • the distance between the two lampholders of the same projector must correspond to the length of the type of lamp which is provided to equip it.
  • there are several types of lamps of the type in question which have different powers and have a greater or lesser length.
  • the metal halide lamps having a power of 70W have a length of approximately 120mm
  • similar lamps having a power of 150W have a length of approximately 137mm.
  • patent FR 1,162,357 describes a device making it possible to adapt lamps of different lengths.
  • this device is specially designed for tubular lamps whose end caps are intended to be engaged in contact clamps in the general shape of V.
  • the device is not likely to be used in the case considered.
  • the subject of the present invention is a lighting projector of the type in question which is designed so as to be able to be equipped indifferently with tubular lamps of two distinct types, or possibly more, and this thanks to mounting means. and adjustment which are particularly simple.
  • the invention relates to a lighting projector intended to be equipped with a tubular lamp provided with a contact pad at each end, the housing and / or the chassis of this projector comprising two sockets arranged on either side of the location of such a lamp to receive the contact pads thereof, characterized in that at least one of these sockets is fixed against the base of the projector chassis and / or against the bottom of the housing thereof, by means of a bent tab, one branch of which is integral with the corresponding socket, however its other branch is fixed against the base of the projector chassis and / or against the bottom of the housing by means of a fixing member, for example a screw, which is engaged in a longitudinal slide and is accessible from the outside, for its loosening and its drive, which makes it possible to immobilize the corresponding socket in separate positions corresponding to different lengths of lamps.
  • a fixing member for example a screw
  • the guide slide of the fixing member of the support of each movable sleeve consists of an elongated opening provided in the base of the chassis and / or the bottom of the housing, and the 'fixing member consists of a screw passing through this opening and whose head is accessible from the outside.
  • the present projector has a housing 1 open on one of its large faces and which is equipped with a lighting lamp 2a of tubular shape comprising a contact pad 3 at each end.
  • the housing 1 is pivotally mounted between the two branches of a stirrup 4 intended to serve as its support.
  • this case could just as easily be without such a stirrup, especially if it is a lighting projector intended to be built into a false ceiling.
  • a trough-shaped reflector 5 which surrounds the location of the lamp 2a. At the ends, this reflector is completed by two reflective cheeks 6 arranged transversely in inclined positions.
  • the reflector thus formed is fixed to a chassis 7 fitted against the bottom 8 of the housing 1.
  • the base 9 of this chassis can consist of a metal strip fixed against the bottom 8 of the housing, and the ends of which are bent twice at right angle so that their end portion 10 constitutes a tab serving as a support for the bottom of the reflector 5.
  • two sockets 11 can be provided, which may be of the conventional type.
  • it is two pieces of insulating material forming a receiving housing 12 for the corresponding end of the lamp.
  • Inside this housing there is provided an electrical connection contact constituted by an elastic blade 13 carrying a contact pad and on which is fixed a supply conductor 14.
  • the two sockets 11 are not mounted in fixed and immutable positions on the chassis 7 or the housing 1. On the contrary, they are mounted so that their spacing can be modified to be able to adapt lamps of different types inside the appliance.
  • each socket 11 is fixed to one of the branches of a metal lug 15, the other branch 16 of which is disposed against the base 9 of the chassis 7.
  • Each of these lugs is slidably mounted against this base in the longitudinal direction by means of a screw 17 carried by this tab and the body of which is engaged through longitudinal slots 18 made in correspondence in the base 9 of the chassis 7 and in the bottom 8 of the housing, the head 19 of this screw being arranged outside.
  • each of these screws is easily accessible from the outside, which makes it possible to loosen the fixing by means of a screwdriver 20 or the like.
  • the external head 19 of each screw also constitutes a drive means for sliding the corresponding screw 17 in the longitudinal slots 18. This screw head can then be grasped with one hand or be driven in movement by means of a screwdriver 20. This makes it possible to modify the position of the two sockets 11 to vary their spacing, after which they can be immobilized in the new position chosen by tightening the screws 17.
  • the corresponding projector is designed to be able to be equipped with two types of tubular lamps 2a and 2b with metal iodides corresponding to respective powers of 70 and 150W. Consequently, at least one of the two superposed slots 18, for example that provided in the bottom 8 of the housing, has a length such that its ends determine either of the two positions which the corresponding screw 17 must occupy in either case. So when we decide to set up a bulb 2a of shorter length, it suffices to slide the two screws 17 towards each other to bring them to the end of their travel. By cons when it is planned to put in place a bulb 2b of greater length, it is necessary to slide the two screws 17 at the end of the race outwards.
  • each leg 15 can rotate on itself, its branch 16 has a boss 21 engaged in the slot 18 provided in the base 9 of the chassis 7. This therefore ensures the guidance of each leg 15 during its movement without risk of rotation of it on itself.
  • each end of the chassis 7 has a cutout 22 inside which the corresponding socket can slide when the position is changed. It should also be noted that the reflective cheeks 6 provided at the ends themselves have cutouts 23 wide enough to allow the passage of the ends of the two types of lamps that can be installed in the device.
  • this projector Thanks to the design of this projector, the manufacturer of this projector can make a single model for two different types of lamps. This therefore makes it possible to carry out larger quantities of manufacture and consequently to reduce the cost price, which is also an advantage for the user. With regard to this, there is also the advantage that a projector, initially acquired for a specific type of lamp, can be adapted to receive a different type of lamp.
  • the projector is arranged to receive two different types of lamps, however it could very well be able to receive three different types or even more.
  • the headlight according to the invention is not limited to the exemplary embodiments described above.
  • the screws 17 could be replaced by any other fixing member capable of ensuring both the fixing of the support of the corresponding socket and of serving as a means of driving the latter during its movement.
  • the bent tabs 15 serving to support the sockets 11 could be replaced by any other part capable of serving as a mobile support for one or the other of these sockets. As for the latter, they could be of a different type from that shown in the drawings, depending on the models of lamps to be received.
  • the projector comprises a box enclosing its chassis 7. But in a simplified embodiment this box could possibly be deleted. Conversely, in another possible embodiment, the chassis 7 could be omitted, the housing 1 then serving directly as a support for the two mobile sockets 11. In addition, in another variant, only one of the two sockets 11 would be mobile, the other being fixed, which would be sufficient to allow the fitting of lamps of different lengths.

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Non-Portable Lighting Devices Or Systems Thereof (AREA)
  • Projection Apparatus (AREA)
  • Fastening Of Light Sources Or Lamp Holders (AREA)

Claims (2)

  1. Scheinwerfer, der mit einer an jedem Ende ein Kontaktelement aufweisenden röhrenförmigen Leuchte ausgestattet werden kann, wobei das Gehäuse und/oder das Gestell des Scheinwerfers zwei Fassungen aufweisen, die zu beiden Seiten des Anbringungsortes einer derartigen Leuchte angeordnet sind, um deren Kontaktelemente aufzunehmen,
    dadurch gekennzeichnet,
    daß zumindest eine der Fassungen (11) an der Fußfläche (9) des Gestelles (7) des Scheinwerfers und/oder am Boden (8) seines Gehäuses (1) mittels eines Winkelstückes (15) befestigt ist, dessen einer Arm mit der entsprechenden Fassung (11) fest verbunden ist, während sein anderer Arm mit der Fußfläche (9) des Gestelles (7) des Scheinwerfers und/oder mit dem Boden (8) des Gehäuses (1) mittels einem Befestigungsmittel, z.B. einer Schraube (17), verbunden ist, die in eine longitudinale Gleitführung eingreift und von außen zum Lösen und Verschieben zugänglich ist, wodurch die entsprechende Fassung (11) in unterschiedlichen, verschiedenen Längen der Leuchten entsprechenden Positionen festgelegt werden kann.
  2. Scheinwerfer gemäß Anspruch 1,
    dadurch gekennzeichnet,
    daß die Gleitführung des Befestigungsmittels des Tragestückes (15) jeder beweglichen Fassung (11) aus einer länglichen Öffnung (18) besteht, die in der Fußfläche (9) des Gestelles (7) und/oder dem Boden (8) des Gehäuses (1) vorgesehen ist, und daß die Befestigungseinrichtung aus einer Schraube (17) besteht, die durch diese Öffnung hindurchragt und deren Kopf (19) von außen her zugänglich ist.
EP19910401912 1990-07-09 1991-07-09 Scheinwerfer Expired - Lifetime EP0466584B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR9008672A FR2664364B1 (fr) 1990-07-09 1990-07-09 Projecteur d'eclairage pouvant etre equipe de lampes tubulaires de longueurs differents.
FR9008672 1990-07-09

Publications (2)

Publication Number Publication Date
EP0466584A1 EP0466584A1 (de) 1992-01-15
EP0466584B1 true EP0466584B1 (de) 1995-10-25

Family

ID=9398494

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19910401912 Expired - Lifetime EP0466584B1 (de) 1990-07-09 1991-07-09 Scheinwerfer

Country Status (4)

Country Link
EP (1) EP0466584B1 (de)
DE (1) DE69114066T2 (de)
ES (1) ES2081449T3 (de)
FR (1) FR2664364B1 (de)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4203840C1 (de) * 1992-02-10 1993-06-24 Heraeus Instruments Gmbh, 6450 Hanau, De
CN105650608A (zh) * 2016-01-26 2016-06-08 张立 一种仓内照明灯管调节机构

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2277648A (en) * 1938-12-16 1942-03-24 Garden City Plating & Mfg Co I Lamp fixture and socket therefor
FR1162357A (fr) * 1956-11-23 1958-09-11 Applique de longueur variable pour lampe tubulaire
US4288846A (en) * 1979-12-17 1981-09-08 General Electric Company Floodlight

Also Published As

Publication number Publication date
ES2081449T3 (es) 1996-03-16
EP0466584A1 (de) 1992-01-15
FR2664364A1 (fr) 1992-01-10
FR2664364B1 (fr) 1994-06-10
DE69114066T2 (de) 1996-07-18
DE69114066D1 (de) 1995-11-30

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