EP0660462A1 - Douille de lampe à incandescence et projecteur équipé d'une telle douille - Google Patents

Douille de lampe à incandescence et projecteur équipé d'une telle douille Download PDF

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Publication number
EP0660462A1
EP0660462A1 EP94118546A EP94118546A EP0660462A1 EP 0660462 A1 EP0660462 A1 EP 0660462A1 EP 94118546 A EP94118546 A EP 94118546A EP 94118546 A EP94118546 A EP 94118546A EP 0660462 A1 EP0660462 A1 EP 0660462A1
Authority
EP
European Patent Office
Prior art keywords
lamp
section
socket body
housing
socket
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
EP94118546A
Other languages
German (de)
English (en)
Other versions
EP0660462B1 (fr
Inventor
Dieter Dipl.-Ing. Henrici
Karl-Wilhelm Vogt
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.)
BJB GmbH and Co KG
Original Assignee
Broekelmann Jaeger and Busse GmbH and Co
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 Broekelmann Jaeger and Busse GmbH and Co filed Critical Broekelmann Jaeger and Busse GmbH and Co
Publication of EP0660462A1 publication Critical patent/EP0660462A1/fr
Application granted granted Critical
Publication of EP0660462B1 publication Critical patent/EP0660462B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • 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
    • H01R33/22—Two-pole devices for screw type base, e.g. for lamp

Definitions

  • the invention relates to an incandescent lamp socket, essentially consisting of a one-piece socket body designed as a plastic injection-molded part with preferably screwless conductor connection terminals and lamp contact tongues arranged therein, an internal thread for screw-mounting a lamp being formed in the socket body, the lamp-side end of the socket body following one Socket body section with an essentially circular-cylindrical circumference has a possibly threaded collar for connecting a reflector or lampshade and the conductor connection terminals are arranged centrally in the socket end region pointing away from the lamp.
  • the invention is therefore based on an incandescent lamp holder, as described for example in DE 33 29 475 C1.
  • the known version has proven extremely successful, especially because ten years ago it was able to significantly reduce the material required for the frame body compared to previously known frames.
  • the present invention has for its object to provide an incandescent lamp socket of the presupposed type, the socket body requires even less plastic material and which is so cleverly designed that it makes a new use in connection with a spotlight possible.
  • the invention solves this problem essentially and primarily in that the conductor connecting terminals and lamp contact tongues are arranged in a narrow rectangular assembly block, the width of which is measured in cross section and the length of which is at least slightly smaller in cross section than the diameter of the cylindrical socket body section, which is followed by a transition section tapering away from the lamp towards the mounting block.
  • the bulb holder according to the invention is designed to be considerably slimmer in this area .
  • the possible types of fastening are reduced, but new advantages can be realized.
  • the design and arrangement of the narrow, rectangular assembly block in connection with the indentation from the cylindrical socket body section results in a very slim design in the upper region of the socket body.
  • the cylindrical socket body section is the one with the largest circumference or diameter. All sections that follow to the end of the frame body are at best in in a transverse direction, however large, the rest is kept much narrower or smaller. This creates very advantageous free spaces for the installation of such a socket, for example for connecting the conductors.
  • a bulb holder is particularly suitable for a spotlight luminaire, in which the tapering section adjoins the cylindrical section in the area of a diameter-narrowing step, the radial extent of the step being approximately 1 mm.
  • This step of the lampholder body serves to receive the peripheral edge of the pot-like housing, so that the housing and the adjacent lamp holder essentially border flush with one another or merge into one another.
  • the socket is integrated into the outer appearance in a special way. Any colors or color contrasts can also be produced in a simple manner by choosing the plastics used for the injection molding of the mount and the pot-like housing.
  • the light bulb socket designated as a whole in FIG. 1 with 10 (usually an Edison socket of dimension E 27) essentially consists of a socket body 11 made of insulating material, in particular thermoplastic Plastic. Starting from the lamp side, the lampholder body 11 initially has a collar 12 which, in the exemplary embodiment, is provided with a screw thread 13 on the outside. This is followed by a circular cylindrical section 14 with a smooth outer surface, which ends remote from the lamp at a narrow, approximately 1 mm high step, to which a conical or conical section 16 connects.
  • the conductor connection terminals and lamp contact tongues which are not shown and which establish the electrical connection between the mains conductors 27 in FIG. 2) and the lamp, are located in a mounting block 17 which - as can be clearly seen from FIG. 1 - has a narrow rectangular cross section.
  • the transverse width 18 of the mounting block 17 is considerably narrower than the diameter of the cylindrical socket body section 14 and is only about a third thereof.
  • the transverse length 19 of the building block 17 is at least slightly smaller than the diameter of the cylindrical section 14.
  • coupling means 20 for snap-on connecting pieces such as holder, lamp body or the like are shown.
  • the projection of this coupling means 20 is drawn exaggerated in FIG. 1, because the coupling means 20 should not protrude beyond the diameter of the cylindrical section 14 of the socket body 11.
  • the narrow rectangular connector block 17, which goes without saying with the other socket body parts is integrally molded, sits transversely on the conical transition section 16, so that a parabolic transition edge 21 is formed on the two long sides of the mounting block 17 in accordance with the geometrical penetration of the smooth side walls of the mounting block 17 through the conical body 16.
  • an internal thread 23 of size E 27 for screw fastening of the lamp base is arranged in the interior of the socket body 11 in the region of the externally cylindrical socket body section 14.
  • the conical indentation 16, with a tip angle of approximately 90 ° largely corresponds to the conical base end of an incandescent lamp, ie the course of the inclined surface between the threaded end and the center contact.
  • the socket body 11 thus optimally approximates the lamp geometry.
  • the external thread 13 on the end collar 12 of the socket body 11 serves, as can be seen in FIGS. 2 and 4 and 5, for screwing on a dish-shaped reflector 24.
  • the external thread 13 on the collar 12 is not mandatory because one also has a smooth collar, for example, for sliding on and So for the clamp-like mounting of a reflector or the like. could use.
  • the space 25 is the interior of a pot-shaped housing 28 of a luminaire body, generally designated 29. It has a conductor entry 30 into which, as shown in Fig. 2, a connector, e.g. a trimmed tube 31 opens. This can be connected at its end, not shown, to a joint, a wall bracket and / or a base.
  • the arrangement is cleverly and visually extremely appealing in such a way that the radial extension of the step 15 (FIG. 1) corresponds essentially to the wall thickness of the pot-like housing 28, so that the outer surface 32 of the pot-like housing 28 and the outer surface 33 of the cylindrical socket body section 14 in the same area can pass over or connect to one another (see in particular FIGS. 3 and 5).
  • the bulb holder 15 is a functional and at the same time form-determining component of the spotlight shown overall in FIG. 2.
  • the lampholder body 10 is not “swallowed” by the spotlight lamp housing, but only supplements it to form a complete lamp. This has considerable advantages.
  • the pot-like housing 28 can be made very small in the longitudinal direction as well as in the circumference or in diameter and thus save material, and on the other hand an extremely compact spotlight is possible overall.
  • the decisive diameter of the spotlight is no longer determined by the lamp body, but by the diameter of the socket body section 14 of the bulb holder 10, and the entire lamp is only a few millimeters longer than the bulb holder 10 itself, which is necessary for guiding the connecting conductors 27.
  • the bulb holder 10 was cleverly designed in such a way that, combined with a pot-like housing 28 with conductor entry 30, it can immediately form a spotlight.
  • the pot-like housing 28 and the bulb holder 10 are to be firmly connected to one another, although they can be detached if necessary.
  • a non-rotatable connection between them is provided be, if only to ensure that the lamp can be screwed in and out without the conductors 27 twisting.
  • this can have resilient locking elements, not shown, which can be locked with the coupling means 20 on the socket body 11.
  • This latching can be designed in such a way that it not only acts in the axial direction, but also reliably prevents the parts that are coupled together from being able to be rotated relative to one another.
  • the outer surfaces 32 and 33 of the lamp housing 29 and the socket body 11 do not have to be smooth.
  • the molding of surface structures during the injection molding of the parts could even set special design accents.

Landscapes

  • Fastening Of Light Sources Or Lamp Holders (AREA)
  • Non-Portable Lighting Devices Or Systems Thereof (AREA)
  • Vessels And Coating Films For Discharge Lamps (AREA)
EP94118546A 1993-12-22 1994-11-25 Douille de lampe à incandescence et projecteur équipé d'une telle douille Expired - Lifetime EP0660462B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE4343883 1993-12-22
DE4343883A DE4343883C1 (de) 1993-12-22 1993-12-22 Glühlampenfassung

Publications (2)

Publication Number Publication Date
EP0660462A1 true EP0660462A1 (fr) 1995-06-28
EP0660462B1 EP0660462B1 (fr) 1996-04-10

Family

ID=6505803

Family Applications (1)

Application Number Title Priority Date Filing Date
EP94118546A Expired - Lifetime EP0660462B1 (fr) 1993-12-22 1994-11-25 Douille de lampe à incandescence et projecteur équipé d'une telle douille

Country Status (5)

Country Link
EP (1) EP0660462B1 (fr)
AT (1) ATE136695T1 (fr)
DE (2) DE4343883C1 (fr)
DK (1) DK0660462T3 (fr)
ES (1) ES2087786T3 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE29618637U1 (de) * 1996-10-25 1998-02-26 Metalluk Bauscher Gmbh & Co Kg, 96050 Bamberg Lampenfassung mit Führungsdurchgang

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4257664A (en) * 1979-03-08 1981-03-24 Eagle Electric Mfg. Co., Inc. Screw socket for an electric lamp
DE8323973U1 (de) * 1983-08-20 1983-12-15 Brökelmann, Jaeger & Busse GmbH & Co, 5760 Arnsberg Glühlampenfassung
DE3329475C1 (de) * 1983-08-16 1985-02-07 Brökelmann, Jaeger & Busse GmbH & Co, 5760 Arnsberg Gluehlampenfassung
US4911656A (en) * 1989-04-12 1990-03-27 Yu Kuang Shih Socket assembly for electric lamps
DE9305897U1 (de) * 1993-04-20 1993-06-17 Brökelmann, Jaeger & Busse GmbH & Co, 5760 Arnsberg Lampenfassung

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE8800994U1 (de) * 1988-01-28 1988-03-10 Brökelmann, Jaeger & Busse GmbH & Co, 5760 Arnsberg Lampenfassung

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4257664A (en) * 1979-03-08 1981-03-24 Eagle Electric Mfg. Co., Inc. Screw socket for an electric lamp
DE3329475C1 (de) * 1983-08-16 1985-02-07 Brökelmann, Jaeger & Busse GmbH & Co, 5760 Arnsberg Gluehlampenfassung
DE8323973U1 (de) * 1983-08-20 1983-12-15 Brökelmann, Jaeger & Busse GmbH & Co, 5760 Arnsberg Glühlampenfassung
US4911656A (en) * 1989-04-12 1990-03-27 Yu Kuang Shih Socket assembly for electric lamps
DE9305897U1 (de) * 1993-04-20 1993-06-17 Brökelmann, Jaeger & Busse GmbH & Co, 5760 Arnsberg Lampenfassung

Also Published As

Publication number Publication date
DK0660462T3 (da) 1996-05-06
EP0660462B1 (fr) 1996-04-10
DE4343883C1 (de) 1995-07-06
ES2087786T3 (es) 1996-07-16
DE59400192D1 (de) 1996-05-15
ATE136695T1 (de) 1996-04-15

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