EP0886879B1 - Electric lamp - Google Patents
Electric lamp Download PDFInfo
- Publication number
- EP0886879B1 EP0886879B1 EP97951112A EP97951112A EP0886879B1 EP 0886879 B1 EP0886879 B1 EP 0886879B1 EP 97951112 A EP97951112 A EP 97951112A EP 97951112 A EP97951112 A EP 97951112A EP 0886879 B1 EP0886879 B1 EP 0886879B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- lamp
- leaf spring
- support sleeve
- constructed
- reflector
- 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
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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
- H01K1/46—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
-
- 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
- H01J5/54—Means forming part of the tube or lamps for the purpose of providing electrical connection to it supported by a separate part, e.g. base
- H01J5/58—Means for fastening the separate part to the vessel, e.g. by cement
- H01J5/60—Means for fastening the separate part to the vessel, e.g. by cement for fastening by mechanical means
Definitions
- the invention relates to an electric lamp according to the preamble of Protection claim 1.
- Such an electric lamp is for example in the patent application WO-A-97/25733 and WO-A-96/35220.
- This patent application describes a cementless socketed electric lamp for use in a motor vehicle headlight.
- This lamp has one made of metal and plastic parts Lamp base.
- the lamp base has a metallic holder part, in which the lamp bulb is fixed, a metallic supporting the holder part Carrier sleeve and a provided with the electrical connections of the lamp Plastic base part in which the carrier sleeve is anchored.
- the metallic Carrier sleeve of the lamp is annular and on the Fitting diameter of the opening of the headlight reflector designed as a lamp holder coordinated and equipped with at least one pressure spring, which after installing the lamp in the reflector in the area of The lamp holder is in contact with the reflector wall.
- This at least one pressure spring ensures a tight fit of the lamp in the lamp holder of the reflector and balances small tolerances in the manufacture of the lamp base and the opening of the headlight reflector designed as a lamp holder out.
- the at least one pressure spring is as arched Leaf spring executed, the ends of which on the inner wall of the metallic, ring-shaped carrier sleeve.
- Leaf spring has an outwardly bulging section that is broken through reaches through in the carrier sleeve and after installing the lamp in the reflector lies in the area of the lamp holder on the reflector wall, as well as two inward arched sections, which on either side of the externally curved portion of the leaf spring are arranged.
- the lamp base is included at least one pressure spring equipped after installing the lamp in the headlight reflector in the area of the lamp holder on the reflector wall is present and a firm seat of the lamp in the lamp holder of the reflector guaranteed.
- the pressure spring is a curved leaf spring educated. It has an arched outward through a breakthrough reaching through in the carrier sleeve and after installing the Lamp in the headlight reflector on the portion adjacent to the reflector wall, which is provided according to the invention with a V-shaped area. At least the connecting piece connecting the two V-legs engages through the opening in the carrier sleeve, so that after the Installation of the lamp in the headlight reflector on the spring as a lamp holder trained reflector wall.
- the spring action of the pressure spring compared to that cited above State of the art improved.
- the angle is the Form two V-legs of the V-shaped area with each other, advantageously chosen so that it is between 80 degrees and 110 degrees.
- the connecting piece connecting the two V-legs advantageously rounded.
- the two arched inwards Portions of the leaf spring are advantageously U-shaped.
- Lamp is a single filament halogen lamp that is for is intended for use in a motor vehicle headlight. That lamp has a glass, essentially cylindrical lamp bulb 50 with a tightly squeezed lamp bulb end 50a that acts as a squeeze foot 50a is referred to.
- the dome 50b of the lamp bulb 50 is with a black, light-absorbing cover. Serves as a light source a filament 50c aligned parallel to the lamp bulb axis, the electrically conductive with current leads led out of the pinch foot 50a 51 is connected.
- the lamp bulb 50 is with its pinch foot 50a fixed in a metallic holder part 52 designed as a fixing ring.
- the Fixring 52 is supported by a metallic intermediate ring 58, which with three molded, angled welding tabs 58a is equipped.
- the Intermediate ring 58 in turn has a metallic carrier sleeve 53 LASER-welded.
- the intermediate ring 58 and the metallic support sleeve 53 also has the lamp base plastic socket part provided with the electrical connections 55 of the lamp 54 in which the carrier sleeve 53 is anchored.
- the electrical connections 55 of the lamp are each welded to one of the power supply lines 51.
- the plastic base part 54 is an injection molded part, into which the metallic carrier sleeve 53 is injected.
- the carrier sleeve 53 has three molded, equidistantly along a circumference arranged reference lugs 53a, for adjusting the filament 50c and to fix the lamp in the reflector (not shown) of the Headlights.
- the reference lugs 53a are from the carrier sleeve 53 angled and lie in a common plane.
- the welding tabs 58a of the intermediate ring 58 are laser-welded to these reference lugs 53a.
- the intermediate ring 58 offers additional adjustment options in the reference plane defined by the reference lugs 53a.
- the plastic base part 54 has an annular, conical design Groove 54b in which a sealing ring (not shown) is made Rubber or silicone is arranged.
- the sealing ring is on the outside the reflector wall and seals the lamp socket Opening of the reflector.
- the inside diameter of the sealing ring is matched and varied to fit the conical groove 54b linear with the sealing ring height.
- the ends 11, 12 of the leaf spring 1 lie on the inner wall of the carrier sleeve 53 and on one each stop 59a, 59b formed in one piece with the plastic base part 54, so that the leaf spring 1 is clamped between these two as a holder executed stops 59a, 59b is fixed.
- the three reference lugs 53a, the sealing ring arranged in the groove 54b and the pressure spring 1 are used to fix the lamp in the lamp holder of the headlight reflector.
- the lamp base and the lamp holder form a bayonet catch.
- the three reference lugs 53a in each case through a cutout in the edge of the opening that fits reach through. Then the lamp in the lamp holder up to turned a stop so that the reflector wall with a clamp fit between the reference lugs 53a and the sealing ring.
- the pressure spring 1 resiliently lies on the edge of the lamp socket Opening of the reflector.
- the pressure spring 1 is designed as a curved leaf spring. It has two slightly curved ends 11, 12, which after their assembly on the inner wall the annular support sleeve 53 abut. To fix the leaf spring 1 also serve two made in one piece with the plastic base part 54 Stops 59a, 59b to which the ends 11, 12 abut. The leaf spring 1 is thereby clamped between these stops 59a, 59b (Fig. 10). It has an outwardly curved section 10 with a V-shaped Area 100, which after the assembly of the leaf spring 1 through the opening 53b engages in the carrier sleeve 53 and after the lamp has been installed clamped in the headlight at the reflector opening designed as a lamp holder is applied.
- the V-legs 101, 102 of the V-shaped area 100 form an angle of approx. 96 degrees with each other and are rounded by a Connector 103 connected together.
- the breakthrough 53b is shown in the top view in FIG. 2 only with dashed lines, since it is covered by one of the reference lugs 53a.
- the arched outward Section 10 of the leaf spring 1 is formed by two inwardly curved, U-shaped Sections 13 and 14 each with one of the leaf spring ends 11 or 12 connected.
- the leaf spring 1 consists of a spring steel sheet with a sheet thickness of 0.25 mm.
- the reference number 60 in FIG. 2 denotes the Bushings for the power leads 51 of the lamp in the plastic base part 54th
Abstract
Description
Die Erfindung betrifft eine elektrische Lampe gemäß dem Oberbegriff des
Schutzanspruchs 1.The invention relates to an electric lamp according to the preamble of
Eine derartige elektrische Lampe ist beispielsweise in der Patentanmeldung WO-A-97/25733 sowie WO-A-96/35220 beschrieben. Diese Patentanmeldung beschreibt eine kittlos gesockelte elektrische Lampe zum Einsatz in einen Kraftfahrzeugscheinwerfer. Diese Lampe besitzt einen aus Metall- und Kunststoffteilen aufgebauten Lampensockel. Der Lampensockel weist ein metallisches Halterteil, in dem der Lampenkolben fixiert ist, eine das Halterteil tragende metallische Trägerhülse und ein mit den elektrischen Anschlüssen der Lampe versehenes Kunststoffsockelteil auf, in dem die Trägerhülse verankert ist. Die metallische Trägerhülse der Lampe ist ringförmig ausgebildet und auf den Paßdurchmesser der als Lampenfassung ausgebildeten Öffnung des Scheinwerferreflektors abgestimmt sowie mit mindestens einer Andruckfeder ausgestattet, die nach dem Einbau der Lampe in den Reflektor im Bereich der Lampenfassung an der Reflektorwand anliegt. Diese mindestens eine Andruckfeder gewährleistet einen festen Sitz der Lampe in der Lampenfassung des Reflektors und gleicht geringe Toleranzen bei der Fertigung des Lampensockels und der als Lampenfassung ausgebildeten Öffnung des Scheinwerferreflektors aus. Die mindestens eine Andruckfeder ist als gewölbte Blattfeder ausgeführt, deren Enden an der Innenwand der metallischen, ringförmigen Trägerhülse anliegen. Außerdem besitzt die mindestens eine Blattfeder einen nach außen gewölbten Abschnitt, der durch einen Durchbruch in der Trägerhülse hindurchgreift und nach dem Einbau der Lampe in den Reflektor im Bereich der Lampenfassung an der Reflektorwand anliegt, sowie zwei nach innen gewölbte Abschnitte, die zu beiden Seiten des nach außen gewölbten Abschnittes der Blattfeder angeordnet sind.Such an electric lamp is for example in the patent application WO-A-97/25733 and WO-A-96/35220. This patent application describes a cementless socketed electric lamp for use in a motor vehicle headlight. This lamp has one made of metal and plastic parts Lamp base. The lamp base has a metallic holder part, in which the lamp bulb is fixed, a metallic supporting the holder part Carrier sleeve and a provided with the electrical connections of the lamp Plastic base part in which the carrier sleeve is anchored. The metallic Carrier sleeve of the lamp is annular and on the Fitting diameter of the opening of the headlight reflector designed as a lamp holder coordinated and equipped with at least one pressure spring, which after installing the lamp in the reflector in the area of The lamp holder is in contact with the reflector wall. This at least one pressure spring ensures a tight fit of the lamp in the lamp holder of the reflector and balances small tolerances in the manufacture of the lamp base and the opening of the headlight reflector designed as a lamp holder out. The at least one pressure spring is as arched Leaf spring executed, the ends of which on the inner wall of the metallic, ring-shaped carrier sleeve. It also has at least one Leaf spring has an outwardly bulging section that is broken through reaches through in the carrier sleeve and after installing the lamp in the reflector lies in the area of the lamp holder on the reflector wall, as well as two inward arched sections, which on either side of the externally curved portion of the leaf spring are arranged.
Es ist die Aufgabe der Erfindung, eine elektrische Lampe gemäß dem Oberbegriff
des Schutzanspruchs 1 mit einer verbesserten Andruckfeder bereitzustellen.It is the object of the invention to provide an electric lamp according to the preamble
of
Diese Aufgabe wird erfindungsgemäß durch die kennzeichnenden Merkmale
des Schutzanspruchs 1 gelöst. Besonders vorteilhafte Ausführungen der
Erfindung sind in den Unteransprüchen beschrieben.This object is achieved by the characterizing features
of
Bei der erfindungsgemäßen elektrischen Lampe ist der Lampensockel mit mindestens einer Andruckfeder ausgestattet, die nach dem Einbau der Lampe in den Scheinwerferreflektor im Bereich der Lampenfassung an der Reflektorwand anliegt und einen festen Sitz der Lampe in der Lampenfassung des Reflektors gewährleistet. Die Andruckfeder ist als gewölbte Blattfeder ausgebildet. Sie besitzt einen nach außen gewölbten, durch einen Durchbruch in der Trägerhülse hindurchgreifenden und nach dem Einbau der Lampe in den Scheinwerferreflektor an der Reflektorwand anliegenden Abschnitt, der erfindungsgemäß mit einem V-förmigen Bereich versehen ist. Zumindest das die beiden V-Schenkel verbindende Verbindungsstück greift durch den Durchbruch in der Trägerhülse hindurch, so daß es nach dem Einbau der Lampe in den Scheinwerferreflektor federnd an der als Lampenfassung ausgebildeten Reflektorwand anliegt. Durch den V-förmigen Bereich wird die Federwirkung der Andruckfeder gegenüber dem oben zitierten Stand der Technik verbessert. Durch den V-förmigen Bereich des nach außen nach außen gewölbten Abschnittes wird die Kontaktfläche zwischen der Lampenfassung und der Andruckfeder im Vergleich zum Stand der Technik reduziert und der Andruck erhöht. Dabei ist der Winkel, den die beiden V-Schenkeln des V-förmigen Bereiches miteinander bilden, vorteilhafterweise so gewählt, daß er zwischen 80 Grad und 110 Grad liegt. Um bei der Montage der Lampe im Scheinwerfer Kratzspuren auf der Lampenfassung zu vermeiden, ist das die beiden V-Schenkel verbindende Verbindungsstück vorteilhafterweise abgerundet. Die beiden nach innen gewölbten Abschnitte der Blattfeder sind vorteilhafterweise U-förmig ausgebildet. Dadurch kann im Vergleich zum Stand der Technik der nach der Lampenmontage auf die Blattfeder wirkende Druck durch eine reversible Deformation der nach innen gewölbten Abschnitte, das heißt durch ein reversibles Zusammendrücken der U-förmigen Abschnitte der Blattfeder, besser aufgefangen werden.In the electric lamp according to the invention, the lamp base is included at least one pressure spring equipped after installing the lamp in the headlight reflector in the area of the lamp holder on the reflector wall is present and a firm seat of the lamp in the lamp holder of the reflector guaranteed. The pressure spring is a curved leaf spring educated. It has an arched outward through a breakthrough reaching through in the carrier sleeve and after installing the Lamp in the headlight reflector on the portion adjacent to the reflector wall, which is provided according to the invention with a V-shaped area. At least the connecting piece connecting the two V-legs engages through the opening in the carrier sleeve, so that after the Installation of the lamp in the headlight reflector on the spring as a lamp holder trained reflector wall. Through the V-shaped area the spring action of the pressure spring compared to that cited above State of the art improved. Through the V-shaped area of the after the outwardly curved section is the contact surface between the lamp holder and the pressure spring compared to the state of the Technology reduced and the pressure increased. The angle is the Form two V-legs of the V-shaped area with each other, advantageously chosen so that it is between 80 degrees and 110 degrees. To at mounting the lamp in the headlight scratch marks on the lamp holder to avoid is the connecting piece connecting the two V-legs advantageously rounded. The two arched inwards Portions of the leaf spring are advantageously U-shaped. Thereby can compared to the state of the art after lamp assembly pressure acting on the leaf spring due to a reversible deformation of the inwardly curved sections, that is to say by reversible compression the U-shaped sections of the leaf spring, better caught become.
Nachstehend wird die Erfindung anhand eines bevorzugten Ausführungsbeispiels näher erläutert. Es zeigen:
Figur 1- eine schematische Seitenansicht einer erfindungsgemäßen elektrischen Lampe
- Figur 2
- eine Draufsicht auf das Kunststoffsockelteil und die darin eingespritzte
metallische Trägerhülse der in
Figur 1 abgebildeten elektrischen Lampe - Figur 3
- eine Seitenansicht der erfindungsgemäßen Andruckfeder
- Figure 1
- is a schematic side view of an electric lamp according to the invention
- Figure 2
- a plan view of the plastic base part and the injected metallic support sleeve of the electric lamp shown in Figure 1
- Figure 3
- a side view of the pressure spring according to the invention
Bei dem bevorzugten Ausführungsbeispiel der erfindungsgemäßen elektrischen
Lampe handelt es sich um eine Einfaden-Halogenglühlampe, die für
den Einsatz in einem Kraftfahrzeugscheinwerfer vorgesehen ist. Diese Lampe
besitzt einen gläsernen, im wesentlichen zylindrischen Lampenkolben 50
mit einem dicht gequetschten Lampenkolbenende 50a, das als Quetschfuß
50a bezeichnet wird. Der Dom 50b des Lampenkolbens 50 ist mit einem
schwarzen, lichtabsorbierenden Überzug versehen. Als Lichtquelle dient
eine parallel zur Lampenkolbenachse ausgerichtete Glühwendel 50c, die
elektrisch leitend mit aus dem Quetschfuß 50a herausgeführten Stromzuführungen
51 verbunden ist. Der Lampenkolben 50 ist mit seinem Quetschfuß
50a in einem als Fixring ausgebildeten metallischen Halterteil 52 fixiert. Der
Fixring 52 wird von einem metallischen Zwischenring 58 getragen, der mit
drei angeformten, abgewinkelten Schweißlaschen 58a ausgestattet ist. Der
Zwischenring 58 ist seinerseits mit einer metallischen Trägerhülse 53
LASER-verschweißt. Neben dem metallischen Fixring 52, dem Zwischenring
58 und der metallischen Trägerhülse 53 weist der Lampensockel auch ein
mit den elektrischen Anschlüssen 55 der Lampe versehenes Kunststoffsokkelteil
54 auf, in dem die Trägerhülse 53 verankert ist. Die elektrischen Anschlüsse
55 der Lampe sind jeweils mit einer der Stromzuführungen 51 verschweißt.
Bei dem Kunststoffsockelteil 54 handelt es sich um ein Spritzgußteil,
in das die metallische Trägerhülse 53 eingespritzt ist.In the preferred embodiment of the electrical according to the invention
Lamp is a single filament halogen lamp that is for
is intended for use in a motor vehicle headlight. That lamp
has a glass, essentially
Die Trägerhülse 53 besitzt drei angeformte, äquidistant entlang eines Kreisumfangs
angeordnete Referenznasen 53a, die zur Justage der Glühwendel
50c und zur Befestigung der Lampe im Reflektor (nicht abgebildet) des
Scheinwerfers dienen. Die Referenznasen 53a sind von der Trägerhülse 53
abgewinkelt und liegen in einer gemeinsamen Ebene. Die Schweißlaschen
58a des Zwischenringes 58 sind mit diesen Referenznasen 53a LASER-verschweißt.
Der Zwischenring 58 bietet zusätzliche Justagemöglichkeiten in
der durch die Referenznasen 53a definierten Referenzebene. The
Das Kunststoffsockelteil 54 weist eine ringförmig umlaufende, konisch ausgeführte
Nut 54b auf, in der ein Dichtungsring (nicht abgebildet) aus
Gummi oder Silikon angeordnet ist. Der Dichtungsring liegt an der Außenseite
der Reflektorwand an und dichtet die als Lampenfassung ausgebildete
Öffnung des Reflektors ab. Der Innendurchmesser des Dichtungsringes ist
paßgerecht auf die konisch ausgeführte Nut 54b abgestimmt und variiert
linear mit der Dichtungsringhöhe. Durch einen unterhalb einer der drei Referenznasen
53a angeordneten Durchbruch 53b in der Wand der ringförmigen
Trägerhülse 53 ragt eine gewölbte Blattfeder 1 (Fig. 3) hindurch, die zur
Befestigung der Lampe im Scheinwerfer dient. Die Enden 11, 12 der Blattfeder
1 liegen an der Innenwand der Trägerhülse 53 und an jeweils einem
einteilig mit dem Kunststoffsockelteil 54 ausgebildeten Anschlag 59a, 59b an,
so daß die Blattfeder 1 klemmend zwischen diesen beiden als Halterung
ausgeführten Anschlägen 59a, 59b fixiert ist.The
Die drei Referenznasen 53a, der in der Nut 54b angeordnete Dichtungsring
und die Andruckfeder 1 dienen zur Befestigung der Lampe in der Lampenfassung
des Scheinwerferreflektors. Der Lampensockel und die Lampenfassung
bilden einen Bajonettverschluß. Zum Einbau der Lampe in den Reflektor
wird die Lampe, mit dem Lampenkolben 50 voran, in die als Lampenfassung
ausgebildete Öffnung des Reflektors eingeführt, wobei die drei Referenznasen
53a jeweils durch eine paßgerechte Aussparung im Rand der Öffnung
hindurchgreifen. Danach wird die Lampe in der Lampenfassung bis an
einen Anschlag gedreht, so daß die Reflektorwand mit Klemmsitz zwischen
den Referenznasen 53a und dem Dichtungsring angeordnet ist. Die Andruckfeder
1 liegt federnd an dem Rand der als Lampenfassung ausgebildeten
Öffnung des Reflektors an. Um einen fehlerhaften Einbau der Lampe in
den Reflektor zu verhindern, besitzen alle drei Referenznasen 53a eine unterschiedliche
Form. Das gleiche gilt natürlich auch für die auf die Referenznasen
53a abgestimmten Aussparungen in der als Lampenfassung ausgebildeten
Öffnung. Einzelheiten der Andruckfeder 1 sind in der Figur 3 dargestellt.The three
Die Andruckfeder 1 ist als gewölbte Blattfeder ausgebildet. Sie besitzt zwei
leicht gekrümmte Enden 11, 12, die nach ihrer Montage an der Innenwand
der ringförmigen Trägerhülse 53 anliegen. Zur Fixierung der Blattfeder 1
dienen außerdem zwei einteilig mit dem Kunststoffsockelteil 54 ausgeführte
Anschläge 59a, 59b, an die die Enden 11, 12 anstoßen. Die Blattfeder 1 ist
dadurch klemmend zwischen diesen Anschlägen 59a, 59b (Fig. 10) gehaltert.
Sie besitzt einen nach außen gewölbten Abschnitt 10 mit einem V-förmigen
Bereich 100, der nach der Montage der Blattfeder 1 durch den Durchbruch
53b in der Trägerhülse 53 hindurchgreift und nach dem Einbau der Lampe
im Scheinwerfer klemmend an der als Lampenfassung ausgebildeten Reflektoröffnung
anliegt. Die V-Schenkel 101, 102 des V-förmigen Bereiches 100
bilden miteinander einen Winkel von ca. 96 Grad und sind durch ein abgerundetes
Verbindungsstück 103 miteinander verbunden. Der Durchbruch
53b ist in der Draufsicht der Figur 2 nur mit gestrichelten Linien dargestellt,
da er durch eine der Referenznasen 53a verdeckt wird. Der nach außen gewölbte
Abschnitt 10 der Blattfeder 1 ist durch zwei nach innen gewölbte, U-förmige
Abschnitte 13 bzw. 14 jeweils mit einem der Blattfederenden 11
bzw. 12 verbunden. Die Blattfeder 1 besteht aus einem Federstahlblech mit
einer Blechdicke von 0,25 mm. Die Bezugsziffer 60 in Figur 2 bezeichnet die
Durchführungen für die Stromzuführungen 51 der Lampe im Kunststoffsokkelteil
54.The
Claims (4)
- Electric lamp,characterized in that the outwardly cambered section (10) of the at least one leaf spring (1) has a region (100) constructed in the shape of a V, at least the connecting piece (103) which connects the two V limbs (101, 102) of the V-shaped region (100) reaching through the cutout (53b) in the support sleeve (53).the lamp having a lamp cap which has a metal holding part (52) in which the bulb (50) of the lamp is fixed,the lamp cap having a metal support sleeve (53), connected to the metal holding part (52), and a plastic cap part (54), which is provided with the electric terminals (55) of the lamp and in which the metal support sleeve (53) is anchored,the metal support sleeve (53) being constructed in the shape of a ring and having a cutout (53b),the lamp cap being fitted with at least one pressure spring (1), the pressure spring (1) being constructed as a cambered leaf spring,the ends (11, 12) of the at least one leaf spring (1) bearing against the inner wall of the support sleeve (53),the at least one leaf spring (1) having an outwardly cambered section (10) which reaches through the cutout (53b), andthe at least one leaf spring (1) having two inwardly cambered sections (13, 14) which respectively connect the outwardly cambered section (10) to one of the leaf spring ends (11, 12),
- Electric lamp according to Claim 1, characterized in that the two V-limbs (101, 102) of the V-shaped region (100) of the at least one leaf spring (1) are connected to one another via a rounded connecting piece (103).
- Electric lamp according to Claim 1, characterized in that the two V-limbs (101, 102) of the at least one leaf spring (1) form with one another an angle of between 80 degrees and 110 degrees.
- Electric lamp according to Claim 1, characterized in that the inwardly cambered sections (13, 14) of the at least one leaf spring (1) are constructed in the shape of a U.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE29622029U DE29622029U1 (en) | 1996-12-18 | 1996-12-18 | Electric lamp |
| DE29622029U | 1996-12-18 | ||
| PCT/DE1997/002876 WO1998027567A1 (en) | 1996-12-18 | 1997-12-10 | Electric lamp |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| EP0886879A1 EP0886879A1 (en) | 1998-12-30 |
| EP0886879B1 true EP0886879B1 (en) | 2002-03-27 |
Family
ID=8033510
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP97951112A Expired - Lifetime EP0886879B1 (en) | 1996-12-18 | 1997-12-10 | Electric lamp |
Country Status (12)
| Country | Link |
|---|---|
| US (1) | US6095866A (en) |
| EP (1) | EP0886879B1 (en) |
| JP (1) | JP3869019B2 (en) |
| KR (1) | KR100469209B1 (en) |
| CN (1) | CN1106661C (en) |
| AT (1) | ATE215263T1 (en) |
| BR (1) | BR9707546A (en) |
| DE (2) | DE29622029U1 (en) |
| ES (1) | ES2175502T3 (en) |
| HU (1) | HU221941B1 (en) |
| TW (1) | TW343349B (en) |
| WO (1) | WO1998027567A1 (en) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE19843506A1 (en) * | 1998-09-23 | 2000-03-30 | Patent Treuhand Ges Fuer Elektrische Gluehlampen Mbh | Electric lamp |
| DE19855411A1 (en) * | 1998-12-01 | 2000-06-08 | Patent Treuhand Ges Fuer Elektrische Gluehlampen Mbh | Electric lamp |
| DE19855265A1 (en) * | 1998-12-01 | 2000-06-21 | Patent Treuhand Ges Fuer Elektrische Gluehlampen Mbh | Electric lamp and lighting device with such an electric lamp |
| JP2000228101A (en) | 1999-02-08 | 2000-08-15 | Matsushita Electronics Industry Corp | Fluorescent lamp |
| DE102004007150A1 (en) * | 2004-02-12 | 2005-08-25 | Patent-Treuhand-Gesellschaft für elektrische Glühlampen mbH | Base for a headlamp and headlamp |
| RU2631835C1 (en) * | 2016-06-16 | 2017-09-27 | Юлия Алексеевна Щепочкина | Electric lamp base |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5120233A (en) * | 1984-12-17 | 1992-06-09 | Ford Motor Company | Retaining mechanism for securing a lamp base with a socket |
| US5216319A (en) * | 1990-09-26 | 1993-06-01 | U.S. Philips Corporation | Capped high-pressure discharge lamp |
| US5320562A (en) * | 1992-07-01 | 1994-06-14 | U.S. Philips Corporation | Capped electric lamp |
| DE69612480T2 (en) * | 1995-02-15 | 2001-10-11 | British Telecomm | DETECTING SPEAKING ACTIVITY |
| EP0774158B1 (en) * | 1995-05-03 | 2000-02-09 | Koninklijke Philips Electronics N.V. | Capped electric lamp |
| WO1997018605A1 (en) * | 1995-11-16 | 1997-05-22 | Philips Electronics N.V. | Push-in/push-out lampholder |
-
1996
- 1996-12-18 DE DE29622029U patent/DE29622029U1/en not_active Expired - Lifetime
-
1997
- 1997-10-14 TW TW086115021A patent/TW343349B/en not_active IP Right Cessation
- 1997-12-10 ES ES97951112T patent/ES2175502T3/en not_active Expired - Lifetime
- 1997-12-10 BR BR9707546A patent/BR9707546A/en not_active IP Right Cessation
- 1997-12-10 CN CN97192321A patent/CN1106661C/en not_active Expired - Lifetime
- 1997-12-10 US US09/125,392 patent/US6095866A/en not_active Expired - Fee Related
- 1997-12-10 DE DE59706765T patent/DE59706765D1/en not_active Expired - Lifetime
- 1997-12-10 HU HU9902494A patent/HU221941B1/en not_active IP Right Cessation
- 1997-12-10 AT AT97951112T patent/ATE215263T1/en not_active IP Right Cessation
- 1997-12-10 WO PCT/DE1997/002876 patent/WO1998027567A1/en active IP Right Grant
- 1997-12-10 JP JP52717298A patent/JP3869019B2/en not_active Expired - Lifetime
- 1997-12-10 KR KR10-1998-0706093A patent/KR100469209B1/en not_active IP Right Cessation
- 1997-12-10 EP EP97951112A patent/EP0886879B1/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| KR19990082363A (en) | 1999-11-25 |
| HUP9902494A2 (en) | 1999-11-29 |
| JP3869019B2 (en) | 2007-01-17 |
| US6095866A (en) | 2000-08-01 |
| HU221941B1 (en) | 2003-02-28 |
| EP0886879A1 (en) | 1998-12-30 |
| TW343349B (en) | 1998-10-21 |
| DE29622029U1 (en) | 1998-04-16 |
| KR100469209B1 (en) | 2005-03-16 |
| CN1106661C (en) | 2003-04-23 |
| CN1211337A (en) | 1999-03-17 |
| ATE215263T1 (en) | 2002-04-15 |
| HUP9902494A3 (en) | 2000-09-28 |
| JP2000506674A (en) | 2000-05-30 |
| BR9707546A (en) | 1999-07-27 |
| DE59706765D1 (en) | 2002-05-02 |
| ES2175502T3 (en) | 2002-11-16 |
| WO1998027567A1 (en) | 1998-06-25 |
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