EP0473019A2 - Lampe électrique à culot fixé sans adhésif - Google Patents

Lampe électrique à culot fixé sans adhésif Download PDF

Info

Publication number
EP0473019A2
EP0473019A2 EP91113684A EP91113684A EP0473019A2 EP 0473019 A2 EP0473019 A2 EP 0473019A2 EP 91113684 A EP91113684 A EP 91113684A EP 91113684 A EP91113684 A EP 91113684A EP 0473019 A2 EP0473019 A2 EP 0473019A2
Authority
EP
European Patent Office
Prior art keywords
lamp
sleeve
aprons
foot
capped
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.)
Granted
Application number
EP91113684A
Other languages
German (de)
English (en)
Other versions
EP0473019A3 (en
EP0473019B1 (fr
Inventor
Fritz Eckhardt
Peter Helbig
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 EP0473019A2 publication Critical patent/EP0473019A2/fr
Publication of EP0473019A3 publication Critical patent/EP0473019A3/de
Application granted granted Critical
Publication of EP0473019B1 publication Critical patent/EP0473019B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • 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
    • H01K1/44—Means forming part of the lamp for the purpose of providing electrical connection, or support for, the lamp directly applied to, or forming part of, the vessel
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J5/00—Details relating to vessels or to leading-in conductors common to two or more basic types of discharge tubes or lamps
    • H01J5/50—Means forming part of the tube or lamps for the purpose of providing electrical connection to it
    • H01J5/52—Means forming part of the tube or lamps for the purpose of providing electrical connection to it directly applied to or forming part of the vessel

Definitions

  • the invention relates to an electric lamp with no cement, according to the preamble of protection claim 1.
  • Such lamps are known from DE-GM 85 22 797. They are mainly used in motor vehicles. These lamps have a two-part lamp holder, which is made up of two identical halves.
  • the lamp holder consists of a sleeve which encompasses the pinch foot of the lamp and the webs for attaching the lamp holder to the base are molded on.
  • the production of these lamps with the two-part lamp holder requires a relatively high installation effort and also causes relatively high material costs.
  • the invention has for its object to provide a cementless electric lamp with a cheaper than the cited prior art lamp holder, which also ensures a stable fit of the lamp in the lamp holder.
  • the one-piece lamp holder With the one-piece lamp holder according to the invention, a material saving of approximately 65% is achieved compared to the known two-piece lamp holder.
  • the assembly of the lamp bulb in the lamp holder is simplified.
  • the pinch foot of the lamp is simply inserted into the fully assembled lamp holder. This can significantly reduce the production costs for this lamp.
  • Crosspieces molded onto the pinch base of the lamp, which snap into corresponding recesses in the cuff wall, ensure that the lamp bulb is held securely in the lamp holder.
  • spring elements which are arranged on opposite walls of the cuff, a play-free seat of the crimping foot is achieved in the lamp holder.
  • the cutouts for the webs formed on the pinch foot are not made directly in the walls of the cuff, but rather in the edges of the spring elements which are in clamping contact with the pinch foot.
  • These spring elements are equipped with slip bevels that make it easier to insert the presser foot into the cuff.
  • the aprons that connect the cuff to the base are profiled to stabilize the lamp holder. Another advantage of the lamps according to the invention is that their optical adjustment can be carried out better.
  • the motor vehicle light bulb shown in FIG. 1 consists of a lamp bulb 1, the pinch foot 2 of which is arranged in the sleeve 4 of the lamp holder 3, the lamp holder 3 being fastened to the plastic base 6 by means of two aprons 5.
  • Two power leads 7 protrude from the squeezing foot 2 and are welded to corresponding contacts 8 of the base 6. Details of the lamp holder 3 are shown in FIGS. 2 to 4. It is made in one piece.
  • the one-piece lamp holder 3 consists of a sleeve 4 with molded aprons 5, which are profiled in a V-shaped cross section to stabilize them.
  • the aprons 5 have at their free ends molded ring segments 9 with openings 10, by means of which they are fastened to the plastic base 6 by high-frequency welding.
  • the cuff 4 is formed by the four side walls of a cuboid sleeve.
  • the wall of the sleeve 4 is made in one piece.
  • the cuff 4 has an edge 11 on which a first 12 and a second 13 side wall overlap.
  • the first side wall 12 is equipped with two tabs 14, each of which passes through a slot 15 in the second side wall 13 and fits at a right angle are.
  • the second side wall 13 has a wall part 16 protruding beyond the common edge 11 of the first 12 and second 13 side wall, which is also bent at right angles, so that it bears on the first side wall 12.
  • two spring elements 17 are each partially punched out, which point into the interior of the sleeve 4 and are clamped against the pinch foot 2 of the lamp, indicated by dashed lines in FIG.
  • Each spring element 17 has a recess 18 on its free edge, which abuts the squeezing foot 2.
  • the spring elements 17 are each provided with a slip slope 20.

Landscapes

  • Fastening Of Light Sources Or Lamp Holders (AREA)
EP91113684A 1990-08-27 1991-08-14 Lampe électrique à culot fixé sans adhésif Expired - Lifetime EP0473019B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE9012292U 1990-08-27
DE9012292U DE9012292U1 (de) 1990-08-27 1990-08-27 Kittlos gesockelte elektrische Lampe

Publications (3)

Publication Number Publication Date
EP0473019A2 true EP0473019A2 (fr) 1992-03-04
EP0473019A3 EP0473019A3 (en) 1992-11-19
EP0473019B1 EP0473019B1 (fr) 1995-06-14

Family

ID=6856899

Family Applications (1)

Application Number Title Priority Date Filing Date
EP91113684A Expired - Lifetime EP0473019B1 (fr) 1990-08-27 1991-08-14 Lampe électrique à culot fixé sans adhésif

Country Status (3)

Country Link
US (1) US5229683A (fr)
EP (1) EP0473019B1 (fr)
DE (2) DE9012292U1 (fr)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5313135A (en) * 1992-01-02 1994-05-17 Osram Sylvania Inc. Headlamp capsule
DE4305503A1 (de) * 1993-02-23 1994-08-25 Patent Treuhand Ges Fuer Elektrische Gluehlampen Mbh Einseitig gesockelte elektrische Lampe
US5818154A (en) * 1994-08-10 1998-10-06 Patent-Treuhand-Gesellschaft Fur Elektrische Gluhlampen Mbh Halogen incandescent lamp in cementless base
DE19856871A1 (de) * 1998-12-09 2000-06-15 Patent Treuhand Ges Fuer Elektrische Gluehlampen Mbh Kittlos gesockelte Lampe
US6203169B1 (en) * 1999-06-25 2001-03-20 Osram Sylvania Inc. Lamp and method of producing same
AU2003220413A1 (en) * 2002-03-21 2003-10-08 Federal-Mogul Corporation High temperature lamp
US7002285B2 (en) * 2003-01-03 2006-02-21 General Electric Company Discharge lamp with bulb fixture arrangement and method for manufacturing the same
US10037861B2 (en) * 2007-04-13 2018-07-31 Lumileds Llc Lamp, method for manufacturing a lamp and use of a holder for such a lamp
US7494262B2 (en) * 2007-05-04 2009-02-24 Honeywell International Inc. Halogen burner and receptacle assembly
US9142928B2 (en) * 2013-08-26 2015-09-22 Tyco Electronics Brasil Ltda. Bulb socket

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1380283A (fr) * 1963-01-25 1964-11-27 Philips Nv Lampe électrique
EP0171844A1 (fr) * 1984-08-17 1986-02-19 Koninklijke Philips Electronics N.V. Lampe électrique à culot
US4769574A (en) * 1986-08-04 1988-09-06 Koito Seisakusho Co., Ltd. Incandescent lamp with a metal coupling to a plastic lamp base for automotive headlamp and like lighting applications

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE8522797U1 (de) * 1985-08-07 1985-10-31 Patent-Treuhand-Gesellschaft für elektrische Glühlampen mbH, 8000 München Kittlos gesockelte elektrische Lampe
DE3806978A1 (de) * 1988-03-03 1989-09-14 Patent Treuhand Ges Fuer Elektrische Gluehlampen Mbh Kittlos gesockelte elektrische lampe
DE59005400D1 (de) * 1989-02-24 1994-05-26 Patent Treuhand Ges Fuer Elektrische Gluehlampen Mbh Kittlos gesockelte elektrische Lampe.
US5029057A (en) * 1989-11-20 1991-07-02 Gte Products Corporation Clipped together lamp base

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1380283A (fr) * 1963-01-25 1964-11-27 Philips Nv Lampe électrique
EP0171844A1 (fr) * 1984-08-17 1986-02-19 Koninklijke Philips Electronics N.V. Lampe électrique à culot
US4769574A (en) * 1986-08-04 1988-09-06 Koito Seisakusho Co., Ltd. Incandescent lamp with a metal coupling to a plastic lamp base for automotive headlamp and like lighting applications

Also Published As

Publication number Publication date
EP0473019A3 (en) 1992-11-19
DE9012292U1 (de) 1990-10-31
US5229683A (en) 1993-07-20
DE59105692D1 (de) 1995-07-20
EP0473019B1 (fr) 1995-06-14

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