EP0156791A2 - Douille de sécurité pour lampe à incandescence - Google Patents

Douille de sécurité pour lampe à incandescence Download PDF

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Publication number
EP0156791A2
EP0156791A2 EP85890068A EP85890068A EP0156791A2 EP 0156791 A2 EP0156791 A2 EP 0156791A2 EP 85890068 A EP85890068 A EP 85890068A EP 85890068 A EP85890068 A EP 85890068A EP 0156791 A2 EP0156791 A2 EP 0156791A2
Authority
EP
European Patent Office
Prior art keywords
guide body
contact carrier
contact
screw
contacts
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.)
Withdrawn
Application number
EP85890068A
Other languages
German (de)
English (en)
Other versions
EP0156791A3 (fr
Inventor
Heinrich Schildberg
Rainer Schildberg
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Publication of EP0156791A2 publication Critical patent/EP0156791A2/fr
Publication of EP0156791A3 publication Critical patent/EP0156791A3/fr
Withdrawn legal-status Critical Current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
    • H01R33/965—Dustproof, splashproof, drip-proof, waterproof, or flameproof holders
    • H01R33/9651—Dustproof, splashproof, drip-proof, waterproof, or flameproof holders for screw type coupling devices
    • H01R33/9653—Dustproof, splashproof, drip-proof, waterproof, or flameproof holders for screw type coupling devices neither pole becoming electrically connected until the coupling parts are substantially engaged

Definitions

  • a known solution of contact-protected incandescent lamp holders (DE-OS 2724718) provides a center contact which is arranged on a resilient, current-conducting lamella in such a way that when a consumer is screwed in by means of a tilting movement, it moves through a fixed shielding hole in the direction of the central contact point of the base is moved.
  • two opposite, fixed and radially resilient side contacts slide out of the shielding recesses of the axially movable screw-in part into the side openings of the same, in order to contact the contact points of the base with spring tension.
  • Asymmetrically arranged wire springs have the task when unscrewing the bulb to return both the center contact and the two side contacts from the side openings of the axially movable screw-in part via sloping surfaces to the shielded rest positions. In the event of a broken or tired wire spring, functional safety is no longer guaranteed.
  • the aim of the present invention is an incandescent lamp socket with contact protection for current-conducting contacts, the axially movable threaded screw-in part of which is designed with a closed cylinder jacket and is firmly connected to an axially movable contact carrier by means of connecting straps.
  • the invention is based on a safety light bulb socket with screw-in thread, which consists of a guide body and an axially movably arranged threaded screw-in part made of insulating material with a central contact, which is fastened to an insulated contact carrier connected to the screw-in screw and part from a solid shield formed from the bottom of the guide body, which has a corresponding opening, displaces in the direction of the screwed-in consumer and, when unscrewing the consumer, returns to the shielded position after unscrewing a spring arranged between the bottom of the guide body and the contact carrier.
  • the contacts are held in a contact-safe manner when the consumer is unscrewed in shielding openings in the bottom of a fixedly arranged guide body and, when a light bulb is screwed in, are moved straight out of the shielding openings to the contact points of the base.
  • the threaded screw-in part (2) made of insulating material is axially movable by means of tabs (2.1) in openings in the bottom of the fixedly arranged guide body (1) made of insulating material and firmly connected to the contact carrier (3) made of insulating material.
  • two symmetrically arranged, straight, axially parallel side contacts (8) for lateral contacting with the incandescent lamp base are attached to the contact carrier (3).
  • the side contacts (8) also pass through the shielding openings in the bottom of the guide body (1) and contact the base.
  • cylindrical compression spring (5) made of plastic causes the return of the contacts (7) and (8) in the shielding openings in the Bottom of the guide body (1),

Landscapes

  • Fastening Of Light Sources Or Lamp Holders (AREA)
  • Arrangement Of Elements, Cooling, Sealing, Or The Like Of Lighting Devices (AREA)
EP85890068A 1984-03-26 1985-03-21 Douille de sécurité pour lampe à incandescence Withdrawn EP0156791A3 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
AT1004/84 1984-03-26
AT0100484A AT379471B (de) 1984-03-26 1984-03-26 Sicherheits-gluehlampenfassung

Publications (2)

Publication Number Publication Date
EP0156791A2 true EP0156791A2 (fr) 1985-10-02
EP0156791A3 EP0156791A3 (fr) 1988-09-14

Family

ID=3504722

Family Applications (1)

Application Number Title Priority Date Filing Date
EP85890068A Withdrawn EP0156791A3 (fr) 1984-03-26 1985-03-21 Douille de sécurité pour lampe à incandescence

Country Status (2)

Country Link
EP (1) EP0156791A3 (fr)
AT (1) AT379471B (fr)

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AT110772B (de) * 1927-03-09 1928-10-10 Heinrich Ing Schloegl Berührungsschutzfassung.
SE388731B (sv) * 1972-02-23 1976-10-11 Hellzen O B A Hallare for en elektrisk lampa
IT1044047B (it) * 1975-09-09 1980-02-29 Elios Fabbrica Accessori Atico Dispositivo di supporto elettrico a contatti schermati in condizione inattiva particolarmente portalampade a virola rotante schermante i contatti
IT1074665B (it) * 1977-02-08 1985-04-20 Carlo Lucini Dispositivo elettrico di supporto avente contatti schermati in condizione inattiva,in particolare portalampade di tipo edison
SE428618B (sv) * 1981-10-13 1983-07-11 Lo Juntec Hb Hallare for glodlampor

Also Published As

Publication number Publication date
AT379471B (de) 1986-01-10
EP0156791A3 (fr) 1988-09-14
ATA100484A (de) 1985-05-15

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PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

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Effective date: 19860313

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Effective date: 19880401