EP0461508B1 - Sockel für eine Halogenglühlampe - Google Patents

Sockel für eine Halogenglühlampe Download PDF

Info

Publication number
EP0461508B1
EP0461508B1 EP91109047A EP91109047A EP0461508B1 EP 0461508 B1 EP0461508 B1 EP 0461508B1 EP 91109047 A EP91109047 A EP 91109047A EP 91109047 A EP91109047 A EP 91109047A EP 0461508 B1 EP0461508 B1 EP 0461508B1
Authority
EP
European Patent Office
Prior art keywords
base
lug
base insulator
insulator
tongue
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
EP91109047A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP0461508A2 (de
EP0461508A3 (en
Inventor
Walter Schönherr
Fritz Eckhardt
Hermann Steiner
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 EP0461508A2 publication Critical patent/EP0461508A2/de
Publication of EP0461508A3 publication Critical patent/EP0461508A3/de
Application granted granted Critical
Publication of EP0461508B1 publication Critical patent/EP0461508B1/de
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
    • H01K1/46—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
    • 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

Definitions

  • the invention relates to a base for a halogen incandescent lamp according to the preamble of protection claim 1.
  • Such bases are known from GB-PA 2 093 632. They are preferably used for halogen H1 lamps with only one filament that are used in headlights of motor vehicles.
  • the contact tongue which consists of a contact tab and an integrally formed tab, is held in the ceramic base stone by means of two flats at the end of the tab and by means of a shoulder in the connection area between tab and contact tab.
  • This type of holder has the disadvantage that the contact tongue is not locked in the desired extent in the base stone.
  • the invention has for its object to provide a base for a halogen lamp, which has a contact tongue with a play-free seat in the base stone.
  • the invention enables simple and secure attachment of a contact tongue in a base block, which is made of an electrically insulating material.
  • the type of fastening according to the invention can be used very advantageously with ceramic base stones because, due to the sintering process during their manufacture, they have relatively large tolerances in their dimensions. These tolerances are compensated for by the resilient effect of preferably two spring tongues, which support the contact tongue at two points in the base stone and thus prevent tilting movements of the contact tongue against the lamp axis. Because each spring tongue is spread apart from the tab body in two mutually orthogonal planes, the contact tongue is supported in both directions perpendicular to the lamp axis.
  • the spring tongues in combination with the flats at the end of a tab belonging to the contact tongue and a shoulder designed as a shoulder in the connection area between the tab and the contact lug, ensure that the contact tongue is properly locked in the base block in the axial direction.
  • FIG. 1 shows an H1 halogen incandescent lamp for motor vehicle headlights with a base 1 according to the invention.
  • a first 5 and a second power supply 6 protrude from the squeeze foot of the lamp bulb 2, each of which is electrically conductively connected to a molybdenum foil 3 are.
  • the first power supply 5 is in electrical contact with the base sleeve 4 via two leaf spring contacts 7, which are molded onto the base sleeve 4.
  • the second power supply 6 is welded to the end 8a of a metallic tab 8, which in turn is molded onto a contact tab 9.
  • the tab 8 and its molded contact lug 9 together form the contact tongue 10, which is inserted through a slot-shaped opening 15 in the base stone 11. Details of the invention can be found in FIGS. 2a, 2b and 3. They show different views of the contact tongue 10 consisting of the tab 8 and contact lug 9 and a cross section through the ceramic base stone 11.
  • the tab 8 has two spring tongues 12 punched out on one edge, each of which is arranged within a recess 13 and away from the tab body are bent out. Each spring tongue 12 is spread apart on the one hand in the plane of the tab body, so that the recesses 13 enlarge (FIG. 2a), and on the other hand additionally bent out of the plane of the tab body (FIG. 2b).
  • the contact tongue 10 has a shoulder 14 in the connection area between the tab 8 and the contact lug 9.
  • the roughly cuboid ceramic base stone 11 (FIG. 3) has a slot-shaped opening 15 with an extension 15a into which the tab 8 is fitted.
  • the ceramic wall delimiting the extension 15a of the shoulder 14 serves as a stop (FIG. 4).
  • the spring tongues 12 are arranged within the slot-shaped opening 15 and exert a spring pressure against the ceramic wall there. This ensures a play-free fit of the contact tongue 10 in the base stone 11.
  • the end 8a of the tab 8 protruding from the base stone 11 has two flats 16 directly above the base stone 11, which together with the shoulder 14 fix the contact tongue 10 in the axial direction (A-A) in the base stone 11.
  • a further opening 17 is provided in the base stone 11, which is used to fasten it within the base sleeve 4 by means of a rivet rivet (FIG. 1).
  • the two spring tongues 12 are punched out on the same edge of the tab (8) and spread apart in the same direction from the tab body.
  • An equally good, but procedural less optimal locking of the contact tongue 10 in the base stone 11 can also be achieved with other arrangements of the spring tongues 12.
  • the spring tongues 12 can be punched out on mutually opposite edges of the tab 8 and / or can be spread apart from the tab body in different ways.

Landscapes

  • Fastening Of Light Sources Or Lamp Holders (AREA)
  • Vessels And Coating Films For Discharge Lamps (AREA)
EP91109047A 1990-06-13 1991-06-03 Sockel für eine Halogenglühlampe Expired - Lifetime EP0461508B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE9006680U 1990-06-13
DE9006680U DE9006680U1 (de) 1990-06-13 1990-06-13 Sockel für eine Halogenglühlampe

Publications (3)

Publication Number Publication Date
EP0461508A2 EP0461508A2 (de) 1991-12-18
EP0461508A3 EP0461508A3 (en) 1992-02-26
EP0461508B1 true EP0461508B1 (de) 1995-12-20

Family

ID=6854652

Family Applications (1)

Application Number Title Priority Date Filing Date
EP91109047A Expired - Lifetime EP0461508B1 (de) 1990-06-13 1991-06-03 Sockel für eine Halogenglühlampe

Country Status (3)

Country Link
EP (1) EP0461508B1 (ja)
JP (1) JP2560754Y2 (ja)
DE (2) DE9006680U1 (ja)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4136868A1 (de) * 1991-11-09 1993-05-13 Hoechst Ceram Tec Ag Keramischer isolierstein
DE102005048444A1 (de) 2005-10-07 2007-04-12 Patent-Treuhand-Gesellschaft für elektrische Glühlampen mbH Scheinwerferlampe

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2159938A (en) * 1937-08-11 1939-05-23 Chirelstein Nathan Electric plug
DE8104771U1 (de) * 1981-02-20 1982-08-05 Patent-Treuhand-Gesellschaft für elektrische Glühlampen mbH, 8000 München Sockel einer halogengluehlampe
US4548589A (en) * 1982-06-28 1985-10-22 Stewart-Warner Corporation Arc tube and plastic reflector assembly method
DE3567319D1 (en) * 1984-08-17 1989-02-09 Philips Nv Capped electric lamp
US4687965A (en) * 1985-03-07 1987-08-18 U.S. Philips Corporation Capped electric lamp
DE9010517U1 (de) * 1990-07-12 1990-10-04 Patent-Treuhand-Gesellschaft für elektrische Glühlampen mbH, 81543 München Elektrische Lampe

Also Published As

Publication number Publication date
EP0461508A2 (de) 1991-12-18
EP0461508A3 (en) 1992-02-26
JP2560754Y2 (ja) 1998-01-26
DE9006680U1 (de) 1990-08-23
JPH0498260U (ja) 1992-08-25
DE59107103D1 (de) 1996-02-01

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