EP0096441B1 - Elektrische Lampe mit einem hülsenförmigen Sockel - Google Patents

Elektrische Lampe mit einem hülsenförmigen Sockel Download PDF

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Publication number
EP0096441B1
EP0096441B1 EP83200776A EP83200776A EP0096441B1 EP 0096441 B1 EP0096441 B1 EP 0096441B1 EP 83200776 A EP83200776 A EP 83200776A EP 83200776 A EP83200776 A EP 83200776A EP 0096441 B1 EP0096441 B1 EP 0096441B1
Authority
EP
European Patent Office
Prior art keywords
lamp
pinch
sleeve
cap
base
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
Application number
EP83200776A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP0096441A2 (de
EP0096441A3 (en
Inventor
Dieter Wilhelm
Werner Dr. Schlagheck
René Toussaint
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.)
Koninklijke Philips NV
Original Assignee
Philips Patentverwaltung GmbH
Philips Gloeilampenfabrieken NV
Koninklijke Philips Electronics NV
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 Philips Patentverwaltung GmbH, Philips Gloeilampenfabrieken NV, Koninklijke Philips Electronics NV filed Critical Philips Patentverwaltung GmbH
Publication of EP0096441A2 publication Critical patent/EP0096441A2/de
Publication of EP0096441A3 publication Critical patent/EP0096441A3/de
Application granted granted Critical
Publication of EP0096441B1 publication Critical patent/EP0096441B1/de
Expired 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

Definitions

  • the invention relates to an electric lamp with a sleeve-shaped metal base and a lamp bulb, which has a pinch and in which an electrical light source is arranged, from which current conductors electrically connected to the base emerge through the pinch, the pinch into one in the base fastened metal bushing is received in a clamped manner and the base has indentations that protrude over its circumference and cooperate with the metal bushing.
  • the metal socket is arranged in a closely fitting manner in the base, i.e. the inner diameter of the base practically corresponds to the outer diameter of the metal bush.
  • the base is also provided with two indentations which engage in slot-like recesses in the metal bushing.
  • the lamp inserted into the metal socket can only be aligned in the axial direction with respect to the base.
  • the lamp cannot be turned or tilted relative to the base.
  • the lamp bulb and socket can therefore only be aligned in one dimension with respect to the base.
  • the light source When using lamps in an optical system, it is important that the light source is in a predetermined position. This position is obtained by placing the light source in a predetermined position with respect to the base.
  • the length of the light center is adjustable, but twisting and lateral pivoting of the light source with respect to the base is not possible.
  • the lamp cannot be aligned three-dimensionally and therefore cannot be used for all applications.
  • a lamp is known in which a socket with putty is attached to the lamp bulb.
  • a socket is attached to the socket, which has an inwardly bent edge at its open end, which tightly surrounds the socket.
  • Two diametrically opposite tongues, which are welded to the bushing, are pressed inward from the jacket of the base.
  • a kittenless fastening of a lamp bulb provided with a pinch in a base with the aid of a sleeve-shaped inner part, which receives the pinch by clamping, is already known from DE-A-2 938 189.
  • the inner part which is provided with inwardly bent pairs of tabs for receiving the bulb pinch, lies snugly against the base, so that here, too, a longitudinal and rotational movement of the lamp bulb with the inner part relative to the base is possible, but a pivoting movement is excluded.
  • an electric incandescent lamp is known from GB-PS 450 948, the lamp bulb of which is fastened with putty in a spherically curved ring which could be aligned in three dimensions with respect to the base.
  • the attachment between base and inner part is done by soldering, for which purpose three holes are provided in the base for receiving the solder. These holes with the connection solder limit the straightening process, particularly in the longitudinal direction.
  • the invention has for its object to provide an electric lamp with a sleeve-shaped base, in which a putty-free unit consisting of lamp bulb and socket is inserted in three dimensions and can then be fixed without hindrance.
  • the bushing Since the bushing is smaller in diameter than the base, it can not only be rotated and displaced in the longitudinal direction with respect to the base, but also pivoted, the indentations serving as pivot points for the pivoting process.
  • the impressions can be e.g. egg-shaped, conical or spherical impressions or as tongues punched out of the base and pressed inwards. If the indentations - based on the mean diameter of the socket - have an excess of at least 0.1 mm, there is a kind of interference fit when inserting the socket into the base.
  • the axial thrust forces to be applied for the press fit can be kept small even with larger manufacturing tolerances if, according to an advantageous development according to the invention, the bushing widens conically in the direction of the lamp bulb.
  • the bushing is provided with mutually opposite, inwardly bent pairs of tabs which hold the piston pinch.
  • a web remaining between each pair of tabs has one inwardly directed resilient part, for example a tongue or an indentation, which engages in a corresponding recess in the piston pinch.
  • the pairs of tabs can also be provided with slots into which profiles fitted on the piston pinch engage.
  • the socket is provided with two mutually opposite longitudinal grooves, between which the piston pinch is clamped.
  • Such a mounting of the piston pinch is known per se from DD-C-140 817.
  • Such longitudinal grooves can be produced relatively easily using a deep-drawing process.
  • the piston pinch protrudes through the bottom of the bushing and a pair of tabs present on the bottom of the bushing holds the pinch in place.
  • the tabs engage behind cams on the pinch in order to obtain an even better locking in the longitudinal direction.
  • Embodiments of lamps according to the invention are advantageous in which the socket abuts the lamp bulb with its open end. The lamp bulb is then in a stable position.
  • one of the current conductors is fastened to the socket, for example welded or soldered to an optionally conical tube present on the socket or with a tongue, for example U-shaped, present on the socket.
  • the base and the socket can be attached to one another by soldering or welding, in particular by resistance welding.
  • 1 is a e.g. Bulb made of tempered glass or quartz glass of a halogen incandescent lamp, which at its end has a squish 2 which is essentially rectangular in cross section, in which current conductors 3 and 4 made of molybdenum are embedded to form a filament 5 as an electrical light source, the ends 6 and 7 of which Stick out pinch 2.
  • the pinch 2 is provided with indentations 8 on its two narrow sides.
  • the lamp bulb 1 is held with its pinch 2 in a socket 9 made of sheet metal, which abuts the lamp bulb 1 with its open end.
  • the bushing 9 is provided with punched out, in the axial direction of the lamp and opposite, inwardly bent pairs of tabs 10 and 11, between which the piston pinch 2 is inserted with its recesses 8 clamping.
  • the socket 9, which widens somewhat conically towards the piston, is provided at its bottom with an opening 12 for the ends 6 and 7 of the power supply wires 3 and 4.
  • a U-shaped contact 13 is formed on the bottom of the socket 9 in FIG. 1, to which the wire end 7 is first electrically connected by clamping and then by spot welding.
  • the socket 9 is provided instead of a U-shaped contact with a tightened cone 14, to which the wire end 6 is connected by soldering or welding.
  • the webs 15 and 16 remaining between the pairs of tabs 10 and 11 each have, as a resilient part, an inwardly bent resilient tongue 17 which engages in a corresponding recess 18 in the piston pinch 2 in a locking manner. While the lamp bulb 1 in the socket 9 is secured against rotation by the pairs of tabs 10 and 11, a further locking in the longitudinal direction is achieved by the resilient parts 17 engaging in the base recesses 18.
  • the incandescent lamp 1, 2, 3, 4, 5 is the same as that in FIG. 1, but the pinch 2 has a cam 43.
  • the socket 40 corresponds to that of the aforementioned European application.
  • the socket 40 has a pair of tongues 41, which holds the pinch 2 of the incandescent lamp and holds it behind the cam 43 engages.
  • a tongue 42 is provided on the socket 40, with which the current conductor 6 is welded.
  • the unit can be mounted in the base of FIGS. 6 and 8. The open end of the socket 40 abuts the lamp bulb 1.
  • the lamp units shown in FIGS. 1 and 3 can be arranged in a sleeve-shaped base made of thin sheet metal according to FIGS. 6 or 8.
  • the base 19 according to FIGS. 6 and 7 is sleeve-shaped and provided with a base collar 20 on which references 21 are attached for correct insertion in an associated socket.
  • the base 19 has a central base contact 22.
  • the base 19 is provided with four spherical impressions 23 distributed over its circumference, which are in point contact with the socket 9 when a lamp unit according to FIG. 1 is inserted (FIG. 10).
  • the inside diameter of the base 19 - apart from the embossments 23 - is larger than the outside diameter of the socket 9 over its entire length lying opposite the inner part 9. In this way, the lamp unit according to FIG.
  • the socket 9 is connected to the base 19 in the region of the impressions 23 thereof by welding.
  • an extension wire 24 made of manganese-nickel is welded onto the free end 6 of the power supply wire 3 and is soldered into the base contact 22.
  • the sleeve-shaped base 29 according to FIGS. 8 and 9 essentially corresponds to the base 19 according to FIGS. 6 and 7. Corresponding parts have therefore been provided with the same reference numerals. Instead of impressions, the base 29 has four resilient tongues 25 punched out and pressed inwards as impressions which, after insertion of a lamp unit according to FIG. 1 or 3 and alignment, can also be connected to the socket 9 by spot welding.
  • connection between the socket 9 and the bases 19 and 29 can also be made by soft soldering.
  • the pockets 26, which are created by punching out the pairs of tabs 10 and 11 in the socket 9, are used as a space for receiving solder paste.
  • the solder paste is applied before inserting the socket into the base. During insertion, the solder paste is partially distributed as a film between the socket and the base. Then only the base needs to be heated from the outside to make a solder connection between it and the socket.
  • the bushing 27 shown in FIGS. 11 and 12 and provided with a U-shaped contact 13 each has two opposing longitudinal grooves 28, between which a piston pinch 2 can be clamped. These longitudinal grooves 28 are also suitable as pockets for holding solder material. - The bushings described so far were manufactured by deep drawing.
  • FIGS. 13 to 16 Another embodiment of a bushing 30 designed as a stamped part is shown in FIGS. 13 to 16.
  • the bushing 30 consists of a base part 31 with two jacket halves 32 bent approximately in a semi-circular shape, the edges of which are bent inwards to form pairs of tabs 10 and 11 and serve to accommodate the piston pinch 2.
  • the pairs of tabs 10 and 11 are provided with transverse slots 33, in which cross profiles 34 attached to the piston pinch 2 engage in a locking manner.
  • the spaces 35 between the jacket halves 32 and the pinch 2 can in turn serve to hold solder material.
  • the socket 30 is provided on its bottom part 31 with a U-shaped contact 13 for receiving the end of a power supply wire.

Landscapes

  • Fastening Of Light Sources Or Lamp Holders (AREA)
  • Common Detailed Techniques For Electron Tubes Or Discharge Tubes (AREA)
EP83200776A 1982-06-05 1983-06-02 Elektrische Lampe mit einem hülsenförmigen Sockel Expired EP0096441B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3221290 1982-06-05
DE19823221290 DE3221290A1 (de) 1982-06-05 1982-06-05 Elektrische lampe mit einem huelsenfoermigen sockel

Publications (3)

Publication Number Publication Date
EP0096441A2 EP0096441A2 (de) 1983-12-21
EP0096441A3 EP0096441A3 (en) 1984-09-12
EP0096441B1 true EP0096441B1 (de) 1988-06-01

Family

ID=6165430

Family Applications (1)

Application Number Title Priority Date Filing Date
EP83200776A Expired EP0096441B1 (de) 1982-06-05 1983-06-02 Elektrische Lampe mit einem hülsenförmigen Sockel

Country Status (5)

Country Link
US (1) US4567397A (ja)
EP (1) EP0096441B1 (ja)
JP (1) JPS593866A (ja)
CA (1) CA1194088A (ja)
DE (2) DE3221290A1 (ja)

Families Citing this family (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4603278A (en) * 1984-02-16 1986-07-29 Gte Products Corporation Electric lamp with insulating base
DE3567319D1 (en) * 1984-08-17 1989-02-09 Philips Nv Capped electric lamp
US4658178A (en) * 1984-12-14 1987-04-14 General Electric Company Plastics skirt for rigidly interconnecting metallic base and glass envelope of a lamp
FR2595006B1 (fr) * 1986-02-25 1988-05-06 Philips Eclairage Lampe a incandescence electrique
US4728849A (en) * 1986-07-07 1988-03-01 Gte Products Corporation Capsule light source for electric lamp
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
DE3903892A1 (de) * 1989-02-10 1990-08-16 Philips Patentverwaltung Elektrische lampe und verfahren zu ihrer herstellung
HU202677B (en) * 1989-03-10 1991-03-28 Tungsram Reszvenytarsasag Incandescent lamp
US5331529A (en) * 1993-03-17 1994-07-19 Huang Shun Feng Electrical lamp base system
US5420474A (en) * 1993-07-15 1995-05-30 Osram Sylvania Inc. Focusable lamp capsule in a cementless base
JPH08264162A (ja) * 1995-03-22 1996-10-11 Koito Mfg Co Ltd 白熱電球及びその製造方法
DE19548521A1 (de) * 1995-12-22 1997-06-26 Patent Treuhand Ges Fuer Elektrische Gluehlampen Mbh Lampen-Reflektor-Einheit
DE19842794A1 (de) * 1998-09-18 2000-03-23 Patent Treuhand Ges Fuer Elektrische Gluehlampen Mbh Reflektorlampe
US7010121B2 (en) * 2001-08-06 2006-03-07 Siemens Communications, Inc. Mobile telephone and method for its manufacture
US20030111944A1 (en) * 2001-12-13 2003-06-19 Vildana Jahic Bulb attachment for temperature limited environment
DE102006014294A1 (de) * 2006-03-28 2007-10-04 Patent-Treuhand-Gesellschaft für elektrische Glühlampen mbH Elektrische Lampe
DE102006060422A1 (de) * 2006-12-20 2008-06-26 Patent-Treuhand-Gesellschaft für elektrische Glühlampen mbH Fixierring
US7612491B2 (en) * 2007-02-15 2009-11-03 Applied Materials, Inc. Lamp for rapid thermal processing chamber
WO2009107064A2 (en) * 2008-02-28 2009-09-03 Philips Intellectual Property & Standards Gmbh Burner holder for a motor vehicle lamp
WO2010086765A1 (en) * 2009-01-28 2010-08-05 Philips Intellectual Property & Standards Gmbh Burner and method for assembling a lamp

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0024060A1 (de) * 1979-08-11 1981-02-18 Philips Patentverwaltung GmbH Elektrische Lampe mit einem hülsenförmigen Sockel
EP0024363A1 (de) * 1979-08-17 1981-03-04 Philips Patentverwaltung GmbH Elektrische Lampe mit einem hülsenförmigen Sockel

Family Cites Families (23)

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Publication number Priority date Publication date Assignee Title
FR763732A (fr) * 1933-10-30 1934-05-04 Philips Nv Perfectionnements apportés aux lampes électriques à incandescence ou aux tubes à décharges
NL64742C (ja) 1940-03-23
US2878060A (en) * 1957-01-10 1959-03-17 Airkem Inc Vapor diffusing device
NL272114A (ja) * 1960-12-05
US3093768A (en) * 1961-02-01 1963-06-11 Gen Electric Electric lamp base end structure
DE1302124B (ja) * 1961-12-28 1970-01-15
US3281620A (en) * 1962-05-16 1966-10-25 Miller Robert Keith Adjustably positionable reflector lamp
NL288232A (ja) * 1963-01-28
US3422393A (en) * 1967-01-16 1969-01-14 Westinghouse Electric Corp Base and lamp adaptor for "push to insert" lamp base and socket combination
US3898506A (en) * 1969-05-23 1975-08-05 Thorn Electrical Ind Ltd Incandescent filament lamps
US3534217A (en) * 1969-05-23 1970-10-13 British Lighting Ind Ltd Incandescent lamp having an envelope with a cap formed on the base thereof to prevent axial moving relative to said cap
US3739221A (en) * 1971-09-30 1973-06-12 Gen Electric Electric lamp base end structure
JPS50119280U (ja) * 1974-03-15 1975-09-29
GB1485510A (en) * 1974-11-28 1977-09-14 Thorn Electrical Ind Ltd Lamps
DE7526777U (de) * 1975-08-23 1976-06-03 Philips Patentverwaltung Gmbh, 2000 Hamburg Elektrische lampe mit sockelplatte
DE2605433C3 (de) * 1976-02-12 1979-01-25 Philips Patentverwaltung Gmbh, 2000 Hamburg Elektrische Glühlampe mit Zentrierring
DE2814461A1 (de) * 1978-04-04 1979-10-18 Patra Patent Treuhand Elektrische lampe
DD140817B1 (de) * 1979-01-11 1987-10-14 Gottfried Grieser Sockelhuelse fuer elektrische gluehlampen
DE2938189C2 (de) * 1979-09-21 1984-07-26 Patent-Treuhand-Gesellschaft für elektrische Glühlampen mbH, 8000 München Glühlampe mit am Quetschfuß kittlos befestigten Lampensockel
DE2941011A1 (de) * 1979-10-10 1981-04-23 Philips Patentverwaltung Gmbh, 2000 Hamburg Elektrische lampe mit einem huelsenfoermigen sockel
NL8103436A (nl) * 1981-07-21 1983-02-16 Philips Nv Elektrische lamp met kitloos bevestigde lampvoet.
US4464600A (en) * 1982-05-21 1984-08-07 General Electric Company Lamp unit having accurately positioned filament
US4463278A (en) * 1982-05-21 1984-07-31 General Electric Company Lamp unit having accurately positioned filament

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0024060A1 (de) * 1979-08-11 1981-02-18 Philips Patentverwaltung GmbH Elektrische Lampe mit einem hülsenförmigen Sockel
EP0024363A1 (de) * 1979-08-17 1981-03-04 Philips Patentverwaltung GmbH Elektrische Lampe mit einem hülsenförmigen Sockel

Also Published As

Publication number Publication date
JPH059900B2 (ja) 1993-02-08
CA1194088A (en) 1985-09-24
EP0096441A2 (de) 1983-12-21
DE3221290C2 (ja) 1988-05-11
JPS593866A (ja) 1984-01-10
US4567397A (en) 1986-01-28
DE3376923D1 (en) 1988-07-07
DE3221290A1 (de) 1983-12-08
EP0096441A3 (en) 1984-09-12

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