EP0473019B1 - Electrical lamp capped without cement - Google Patents

Electrical lamp capped without cement Download PDF

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Publication number
EP0473019B1
EP0473019B1 EP91113684A EP91113684A EP0473019B1 EP 0473019 B1 EP0473019 B1 EP 0473019B1 EP 91113684 A EP91113684 A EP 91113684A EP 91113684 A EP91113684 A EP 91113684A EP 0473019 B1 EP0473019 B1 EP 0473019B1
Authority
EP
European Patent Office
Prior art keywords
lamp
skirts
cuff
integrally formed
walls
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
EP91113684A
Other languages
German (de)
French (fr)
Other versions
EP0473019A2 (en
EP0473019A3 (en
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/en
Publication of EP0473019A3 publication Critical patent/EP0473019A3/en
Application granted granted Critical
Publication of EP0473019B1 publication Critical patent/EP0473019B1/en
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 US-A-4 769 574. They are mainly used in motor vehicles. These lamps have a one-piece lamp holder.
  • the lamp holder consists of a sleeve that encompasses the pinch foot of the lamp.
  • the lamp holder has two protruding flags that are welded together (spot welded). The production of these lamps with the welding flags requires a relatively high amount of assembly work and also causes relatively high material costs.
  • the invention has for its object to provide a cementless socket 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 according to the invention simplifies the assembly of the lamp bulb in the lamp holder.
  • 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.
  • 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 clamped against 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 squeezing 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 projecting 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 rests on the pinch foot 2.
  • the spring elements 17 are each provided with a slip slope 20.

Landscapes

  • Fastening Of Light Sources Or Lamp Holders (AREA)

Description

Die Erfindung betrifft eine kittlos gesockelte elektrische Lampe gemäß dem Oberbegriff des Schutzanspruchs 1.The invention relates to an electric lamp with no cement, according to the preamble of protection claim 1.

Derartige Lampen sind aus dem US-A-4 769 574 bekannt. Sie werden überwiegend in Kraftfahrzeugen eingesetzt. Diese Lampen besitzen einen einteiligen Lampenträger. Der Lampenträger besteht aus einer Manschette, die den Quetschfuß der Lampe umfaßt. Der Lampenträger besitzt zwei hervorstehende Fahnen, die miteinander verschweißt (punktgeschweißt) sind. Die Herstellung dieser Lampen mit den schweißfahnen erfordert einen relativ hohen Montageaufwand und verursacht auch relativ hohe Materialkosten.Such lamps are known from US-A-4 769 574. They are mainly used in motor vehicles. These lamps have a one-piece lamp holder. The lamp holder consists of a sleeve that encompasses the pinch foot of the lamp. The lamp holder has two protruding flags that are welded together (spot welded). The production of these lamps with the welding flags requires a relatively high amount of assembly work and also causes relatively high material costs.

Der Erfindung liegt die Aufgabe zugrunde, eine kittlos gesockelte elektrische Lampe mit einem gegenüber dem zitierten Stand der Technik verbilligten Lampenträger bereitzustellen, der außerdem einen stabilen Sitz der Lampe im Lampenträger gewährleistet.The invention has for its object to provide a cementless socket lamp with a cheaper than the cited prior art lamp holder, which also ensures a stable fit of the lamp in the lamp holder.

Diese Aufgabe wird erfindungsgemäß durch die kennzeichnenden Merkmale des Schutzanspruches 1 gelöst. Besonders vorteilhafte Ausführungen finden sich in den abhängigen Ansprüchen.According to the invention, this object is achieved by the characterizing features of the protection claim 1. Particularly advantageous designs can be found in the dependent claims.

Mit dem erfindungsgemäßen einteiligen Lampenträger vereinfacht sich die Montage des Lampenkolbens im Lampenträger. Der Quetschfuß der Lampe wird einfach in den fertig montierten Lampenträger eingeführt. Dadurch lassen sich die Produktionskosten für diese Lampe beträchtlich senken.
An den Quetschfuß der Lampe angeformte Stege, die in entsprechende Aussparungen in der Manschettenwandung einrasten, gewährleisten einen sicheren Halt des Lampenkolbens im Lampenträger. Mit Hilfe von Federelementen, die an gegenüberliegenden Wänden der Manschette angeordnet sind, wird ein spielfreier Sitz des Quetschfußes im Lampenträger erzielt.
Vorteilhafterweise sind die Aussparungen für die an den Quetschfuß angeformten Stege nicht direkt in den Wänden der Manschette, sondern in den Kanten der Federelemente angebracht, die klemmend am Quetschfuß anliegen. Diese Federelemente sind mit Schlupfschrägen ausgestattet, die das Einführen des Quetschfußes in die Manschette erleichtern.The one-piece lamp holder according to the invention simplifies the assembly of the lamp bulb in the lamp holder. 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 foot of the lamp, which snap into corresponding recesses in the cuff wall, ensure that the lamp bulb is held securely in the lamp holder. With the help of 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.
Advantageously, 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 clamped against the pinch foot. These spring elements are equipped with slip bevels that make it easier to insert the presser foot into the cuff.

Zur Stabilisierung des Lampenträgers sind die Schürzen, die die Manschette mit dem Sockel verbinden, profiliert. Ein weiterer Vorteil der erfindungsgemäßen Lampen besteht darin, daß ihre optische Justage besser durchführbar ist.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.

Die Erfindung wird nachstehend anhand eines bevorzugten Ausführungsbeispiels näher erläutert. Es zeigen

Figur 1
eine Seitenansicht einer Halogenglühlampe mit Lampenträger und Sockel
Figur 2
eine Seitenansicht des Lampenträgers
Figur 3
eine Seitenansicht des Lampenträgers, gegenüber der Figur 2 um 90° gedreht
Figur 4
der Lampenträger nach den Figuren 2 und 3 von oben gesehen, mit dem gestrichelt angedeuteten Quetschfuß der Lampe.
The invention is explained below with reference to a preferred embodiment. Show it
Figure 1
a side view of a halogen lamp with lamp holder and base
Figure 2
a side view of the lamp holder
Figure 3
a side view of the lamp holder, rotated by 90 ° relative to Figure 2
Figure 4
the lamp holder according to Figures 2 and 3 seen from above, with the pinched foot of the lamp.

Die in der Figur 1 dargestellte Kraftfahrzeug-Glühlampe besteht aus einem Lampenkolben 1, dessen Quetschfuß 2 in der Manschette 4 des Lampenträgers 3 angeordnet ist, wobei der Lampenträger 3 mittels zweier Schürzen 5 am Kunststoffsockel 6 befestigt ist. Aus dem Quetschfuß 2 ragen zwei Stromzuführungen 7 heraus, die mit entsprechenden Kontakten 8 des Sockels 6 verschweißt sind.
Einzelheiten des Lampenträgers 3 sind in den Figuren 2 bis 4 dargestellt. Er ist einteilig ausgeführt.The motor vehicle light bulb shown in FIG. 1 consists of a lamp bulb 1, the squeezing 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.

Der einteilige Lampenträger 3 besteht aus einer Manschette 4 mit angeformten Schürzen 5, die zu ihrer Stabilisierung im Querschnitt V-förmig profiliert sind. Die Schürzen 5 weisen an ihren freien Enden angeformte Ringsegmente 9 mit Durchbrüchen 10 auf, mittels derer sie durch Hochfrequenzschweißen am Kunststoffsockel 6 befestigt werden.
Die Manschette 4 wird von den vier Seitenwänden einer quaderförmigen Hülse gebildet. Dabei ist die Wandung der Manschette 4 einteilig ausgeführt. Die Manschette 4 besitzt eine Kante 11, an der sich eine erste 12 und eine zweite 13 Seitenwand überlappen. Die erste Seitenwand 12 ist mit zwei Laschen 14 ausgestattet, die durch je einen paßgerechten Schlitz 15 in der zweiten Seitenwand 13 hindurchgeführt und rechtwinklig umbogen sind. Die zweite Seitenwand 13 besitzt einen über die gemeinsame Kante 11 von erster 12 und zweiter 13 Seitenwand hinausragenden Wandteil 16, der ebenfalls rechtwinklig umgebogen ist, so daß er an der ersten Seitenwand 12 anliegt.
An zwei einander gegenüberliegenden Wänden der Manschette 4 sind jeweils zwei Federelemente 17 teilweise ausgestanzt, die in das Innere der Manschette 4 weisen und klemmend an dem in Figur 4 gestrichelt angedeuteten Quetschfuß 2 der Lampe anliegen. Jedes Federelement 17 besitzt an seiner freien Kante, die am Quetschfuß 2 anliegt, eine Aussparung 18.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 projecting 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.
On two mutually opposite walls of the sleeve 4, 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 rests on the pinch foot 2.

In diese Aussparungen 18 rasten zwei paßgerecht an den Quetschfuß 2 angeformte Stege 19 ein, so daß der Lampenkolben 1 spielfrei und stabil im Lampenträger 3 gehaltert ist. Damit sich der Quetschfuß 2 des Lampenkolbens 1 leichter in die Manschette 4 des Lampenträgers 3 einführen läßt, sind die Federelemente 17 jeweils mit einer Schlupfschräge 20 ausgestattet.In these recesses 18, two webs 19 which fit onto the pinch foot 2 snap into place, so that the lamp bulb 1 is held in the lamp holder 3 without play and in a stable manner. So that the pinch foot 2 of the lamp bulb 1 can be inserted more easily into the sleeve 4 of the lamp holder 3, the spring elements 17 are each provided with a slip slope 20.

Claims (3)

  1. Electric lamp capped without cement, comprising
    - a lamp bulb (1) having a pinch seal (2) from which supply leads (7) are led out,
    - a cap (6) made from an electrically insulating material
    - a single-piece lamp carrier (3) with integrally formed skirts (5) and with a cuff (4), the walls of which form the side walls of a cuboid, a first (12) and a second (13) side wall overlapping, the cuff (4) embracing the pinch seal (2) of the lamp, and the skirts (5) being joined to the cap (6),
    characterized in that
    - the first side wall (12) is equipped with integrally formed tabs (14) which engage in fitting slots (15) of the second side wall (13),
    - the cuff (4) is provided on two opposite walls with spring elements (17) which-are partially stamped out of the cuff walls, have a cutout (18) on the free outer edge in each case, and bear in a clamping fashion against the pinch seal (2),
    - the spring elements (17) are provided with a slipping bevel (20) on their upper edge averted from the skirts (5), and
    - the pinch seal (2) has integrally formed webs (19) which are adapted to fit the cutouts (18).
  2. Electric lamp capped without cement according to Claim 1, characterized in that the skirts (5) have a cross-section of V-shaped profile.
  3. Electric lamp capped without cement according to Claim 1, characterized in that at their free ends the skirts (5) each have an integrally formed ring segment (9) which has openings (10) and is used for high-frequency welding to the cap (6).
EP91113684A 1990-08-27 1991-08-14 Electrical lamp capped without cement Expired - Lifetime EP0473019B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE9012292U 1990-08-27
DE9012292U DE9012292U1 (en) 1990-08-27 1990-08-27 Puttyless base electric lamp

Publications (3)

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

Family

ID=6856899

Family Applications (1)

Application Number Title Priority Date Filing Date
EP91113684A Expired - Lifetime EP0473019B1 (en) 1990-08-27 1991-08-14 Electrical lamp capped without cement

Country Status (3)

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

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 (en) * 1993-02-23 1994-08-25 Patent Treuhand Ges Fuer Elektrische Gluehlampen Mbh Electric lamp with base on one side
US5818154A (en) * 1994-08-10 1998-10-06 Patent-Treuhand-Gesellschaft Fur Elektrische Gluhlampen Mbh Halogen incandescent lamp in cementless base
DE19856871A1 (en) * 1998-12-09 2000-06-15 Patent Treuhand Ges Fuer Elektrische Gluehlampen Mbh Bulb-free lamp
US6203169B1 (en) * 1999-06-25 2001-03-20 Osram Sylvania Inc. Lamp and method of producing same
EP1488440A4 (en) * 2002-03-21 2007-07-18 Federal Mogul Corp 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
EP2137753A2 (en) * 2007-04-13 2009-12-30 Philips Intellectual Property & Standards GmbH 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

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT713536A (en) * 1963-01-25
DE3567319D1 (en) * 1984-08-17 1989-02-09 Philips Nv Capped electric lamp
DE8522797U1 (en) * 1985-08-07 1985-10-31 Patent-Treuhand-Gesellschaft für elektrische Glühlampen mbH, 8000 München Electric lamp with a putty-free base
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
DE3806978A1 (en) * 1988-03-03 1989-09-14 Patent Treuhand Ges Fuer Elektrische Gluehlampen Mbh KITTLESS BASED ELECTRIC LAMP
DE59005400D1 (en) * 1989-02-24 1994-05-26 Patent Treuhand Ges Fuer Elektrische Gluehlampen Mbh Electric lamp with no cement.
US5029057A (en) * 1989-11-20 1991-07-02 Gte Products Corporation Clipped together lamp base

Also Published As

Publication number Publication date
DE9012292U1 (en) 1990-10-31
EP0473019A2 (en) 1992-03-04
DE59105692D1 (en) 1995-07-20
EP0473019A3 (en) 1992-11-19
US5229683A (en) 1993-07-20

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