EP0075304A1 - Lumière indicatrice - Google Patents

Lumière indicatrice Download PDF

Info

Publication number
EP0075304A1
EP0075304A1 EP82108658A EP82108658A EP0075304A1 EP 0075304 A1 EP0075304 A1 EP 0075304A1 EP 82108658 A EP82108658 A EP 82108658A EP 82108658 A EP82108658 A EP 82108658A EP 0075304 A1 EP0075304 A1 EP 0075304A1
Authority
EP
European Patent Office
Prior art keywords
base part
lamp
housing wall
display device
luminaire according
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.)
Withdrawn
Application number
EP82108658A
Other languages
German (de)
English (en)
Inventor
Walter Schönherr
Franz Wahl
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.)
Osram GmbH
Original Assignee
Patent Treuhand Gesellschaft fuer Elektrische Gluehlampen mbH
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 Patent Treuhand Gesellschaft fuer Elektrische Gluehlampen mbH filed Critical Patent Treuhand Gesellschaft fuer Elektrische Gluehlampen mbH
Publication of EP0075304A1 publication Critical patent/EP0075304A1/fr
Withdrawn legal-status Critical Current

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Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R33/00—Coupling devices specially adapted for supporting apparatus and having one part acting as a holder providing support and electrical connection via a counterpart which is structurally associated with the apparatus, e.g. lamp holders; Separate parts thereof
    • H01R33/05—Two-pole devices
    • H01R33/06—Two-pole devices with two current-carrying pins, blades or analogous contacts, having their axes parallel to each other
    • H01R33/09—Two-pole devices with two current-carrying pins, blades or analogous contacts, having their axes parallel to each other for baseless lamp bulb
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01K—ELECTRIC INCANDESCENT LAMPS
    • H01K1/00—Details
    • H01K1/42—Means forming part of the lamp for the purpose of providing electrical connection, or support for, the lamp
    • H01K1/46—Means forming part of the lamp for the purpose of providing electrical connection, or support for, the lamp supported by a separate part, e.g. base, cap

Definitions

  • the invention relates to a luminaire for illuminating a display device, which consists of a low-power halogen incandescent lamp with power supply pins led out at the end of its glass base and a pot-shaped base part made of plastic.
  • small glass base lamps used in plastic bases have been used in many cases for illuminating display devices. Either they are held there in a fixed position by means of molded-on clamping or locking elements or by suitably shaped base contacts.
  • the halogen incandescent lamps of smaller wattage for example 12 V, 5 W or 12 V, approximately 8 W, which are substantially larger (by 2 to 4 times) than the glass base lamps, should now be used.
  • the invention has for its object to provide a luminaire for more intense lighting of a display device, which is relatively low in height, simple to manufacture and easy to seal against the housing of the display device.
  • the object is achieved in that a low-power halogen incandescent lamp is used, which is held in position by means of a fastening disk in the pot-shaped base part, which Power supply pins of the lamp are guided through bores in the base of the base part to the outside and these are then sealed and finally the base part is either molded into the housing wall of the display device or if the base part is a part separate from the housing wall, has means for sealing the housing.
  • indicator lights shown in the figures consist of a halogen incandescent lamp 1 of low power (12 V, 5 W or 12 V, approx. 8 W) is held with its glass crimping foot 2 in the opening 3 of a mounting disk 4.
  • the opening 3 has tabs and projections on its circumference, which cooperate with cams formed on the glass pinch base 2 of the lamp 1.
  • the lamp 1 is inserted together with the mounting disk 4 in the pot-shaped base part 5.1 - 5.4 made of plastic.
  • a stop or projection 6 prevents the lamp 1 and the fastening disk 4 from sliding too deep into the base part 5.1-5.4.
  • the fastening disk 4 is secured against falling out and twisting, because the tips of the teeth claw into the material of the base part 5.1-5.4.
  • the power supply pins 8 of the lamp 1 are guided through holes 9 in the bottom of the pot-shaped base part 5.1 - 5.4 to the outside to connect the lamp 1 electrically. In order to prevent the ingress of dust and moisture, the remaining space in the bore 9 is closed with a suitable adhesive.
  • the outer shapes of the base parts 5.1 - 5.4 of the individual indicator lights are designed quite differently.
  • the base part 5.1 in the first exemplary embodiment of a display lamp (see FIG. 1) is molded into the housing wall 10.1 of the display device. A replacement of the lamp 1 in the event of a failure is then not possible.
  • Figures 3a, b, 4a, b and 5 show interchangeable indicator lights.
  • the base parts 5.2, 5.3 of the second and the third embodiment of indicator lights each have a peripheral flange 11 at their lower end, on the top of which an annular seal 12 is formed.
  • the ring seal 12 bears against the outside of the housing wall 10.2, 10.3, as a result of which the inside of the display device is sealed off from the outside.
  • the lights according to the second and third embodiments are fastened in an opening in the display device by latching lugs 13.1, 13.2 which are resiliently arranged on the circumference of the base part 5.2, 5.3 and which engage behind the housing wall 10.2, 10.3.
  • the base part 10.2 of the second embodiment of an indicator light has two mutually opposite latching lugs 13.1 and the base part 10.3 of the third embodiment, for example, eight latching lugs 13.2 distributed uniformly around the circumference.
  • the latching element for holding the lamp in the housing wall 10.4 of the display device is designed as an annular bead 14 formed on the upper end of the base part 5.4.
  • a step-shaped flange 15 is provided at the lower end of the base part 5.4.
  • the opening in the housing wall 10.4 of the display device is enclosed by a cylinder jacket 16 for fastening the lamp, at the upper end of which an annular groove 17 is provided.
  • the annular groove 17 interacts with the annular bead 14 of the base part 5.4.

Landscapes

  • Arrangement Of Elements, Cooling, Sealing, Or The Like Of Lighting Devices (AREA)
  • Fastening Of Light Sources Or Lamp Holders (AREA)
  • Planar Illumination Modules (AREA)
EP82108658A 1981-09-21 1982-09-20 Lumière indicatrice Withdrawn EP0075304A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19818127561 DE8127561U1 (de) 1981-09-21 1981-09-21 "Anzeigeleuchte"
DE8127561U 1981-09-21

Publications (1)

Publication Number Publication Date
EP0075304A1 true EP0075304A1 (fr) 1983-03-30

Family

ID=6731397

Family Applications (1)

Application Number Title Priority Date Filing Date
EP82108658A Withdrawn EP0075304A1 (fr) 1981-09-21 1982-09-20 Lumière indicatrice

Country Status (2)

Country Link
EP (1) EP0075304A1 (fr)
DE (1) DE8127561U1 (fr)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0228508A3 (en) * 1985-10-08 1988-10-26 Preh, Elektrofeinmechanische Werke Jakob Preh Nachf. Gmbh & Co. Illumination arrangement for front panel
EP0231390A4 (fr) * 1985-07-22 1989-10-04 Nohmi Bosai Kogyo Co Ltd Assemblage de montage d'un element photo-emetteur et d'un element photo-recepteur dans un capteur photo-electrique de fumee.
EP0455035A3 (en) * 1990-04-28 1992-02-05 Tungsram Reszvenytarsasag Light source provided with light reflecting means
EP0626715A3 (fr) * 1993-05-26 1995-11-29 Abb Patent Gmbh Lampe luminescente pour insertion.
EP0778639A1 (fr) * 1995-12-05 1997-06-11 Brökelmann, Jaeger & Busse GmbH & Co Douille de lampe, en particulier pour lampes halogènes

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3649955A (en) * 1970-06-19 1972-03-14 Microdot Inc Snap-in bulb socket
US3864001A (en) * 1972-11-03 1975-02-04 Socop Sa Lamp socket
FR2287769A1 (fr) * 1974-10-10 1976-05-07 Rca Corp Culot pour tube electronique
GB2018510A (en) * 1978-04-04 1979-10-17 Patent Treuhand Ges Fuer Elektrische Gluehlampen Mbh Securing bases to electric lamp bubls

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3649955A (en) * 1970-06-19 1972-03-14 Microdot Inc Snap-in bulb socket
US3864001A (en) * 1972-11-03 1975-02-04 Socop Sa Lamp socket
FR2287769A1 (fr) * 1974-10-10 1976-05-07 Rca Corp Culot pour tube electronique
GB2018510A (en) * 1978-04-04 1979-10-17 Patent Treuhand Ges Fuer Elektrische Gluehlampen Mbh Securing bases to electric lamp bubls

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0231390A4 (fr) * 1985-07-22 1989-10-04 Nohmi Bosai Kogyo Co Ltd Assemblage de montage d'un element photo-emetteur et d'un element photo-recepteur dans un capteur photo-electrique de fumee.
EP0228508A3 (en) * 1985-10-08 1988-10-26 Preh, Elektrofeinmechanische Werke Jakob Preh Nachf. Gmbh & Co. Illumination arrangement for front panel
EP0455035A3 (en) * 1990-04-28 1992-02-05 Tungsram Reszvenytarsasag Light source provided with light reflecting means
US5206558A (en) * 1990-04-28 1993-04-27 Tungsram Reszvenytarsasag Light source provided with light reflecting means
EP0626715A3 (fr) * 1993-05-26 1995-11-29 Abb Patent Gmbh Lampe luminescente pour insertion.
EP0778639A1 (fr) * 1995-12-05 1997-06-11 Brökelmann, Jaeger & Busse GmbH & Co Douille de lampe, en particulier pour lampes halogènes

Also Published As

Publication number Publication date
DE8127561U1 (de) 1983-03-17

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Legal Events

Date Code Title Description
PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

Free format text: ORIGINAL CODE: 0009012

AK Designated contracting states

Designated state(s): BE DE FR GB IT

17P Request for examination filed

Effective date: 19830902

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: THE APPLICATION HAS BEEN WITHDRAWN

18W Application withdrawn

Withdrawal date: 19850319

RIN1 Information on inventor provided before grant (corrected)

Inventor name: WAHL, FRANZ

Inventor name: SCHOENHERR, WALTER