EP0157283A2 - Lampe avec au moins une tête d'éclairage montée de manière réglable sur un support allongé - Google Patents

Lampe avec au moins une tête d'éclairage montée de manière réglable sur un support allongé Download PDF

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Publication number
EP0157283A2
EP0157283A2 EP85103173A EP85103173A EP0157283A2 EP 0157283 A2 EP0157283 A2 EP 0157283A2 EP 85103173 A EP85103173 A EP 85103173A EP 85103173 A EP85103173 A EP 85103173A EP 0157283 A2 EP0157283 A2 EP 0157283A2
Authority
EP
European Patent Office
Prior art keywords
holder
strips
power supply
supply part
lamp
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Withdrawn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
EP85103173A
Other languages
German (de)
English (en)
Other versions
EP0157283A3 (fr
Inventor
Ulrich Dipl.-Ing. Schemm
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 EP0157283A2 publication Critical patent/EP0157283A2/fr
Publication of EP0157283A3 publication Critical patent/EP0157283A3/fr
Withdrawn legal-status Critical Current

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • F21S6/00—Lighting devices intended to be free-standing
    • F21S6/002—Table lamps, e.g. for ambient lighting
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V21/00—Supporting, suspending, or attaching arrangements for lighting devices; Hand grips
    • F21V21/34—Supporting elements displaceable along a guiding element
    • F21V21/35—Supporting elements displaceable along a guiding element with direct electrical contact between the supporting element and electric conductors running along the guiding element

Definitions

  • the invention relates to a lamp which consists of a power supply part, a rod-shaped holder and at least one lamp head arranged thereon and adjustable along the holder.
  • Luminaires according to the preamble of the first claim are known, for example, as floor, table or wall lights.
  • Power is usually supplied to the lamp head via an electrical cable that runs along the outside of the bracket.
  • the length of the cable is such that it connects the two parts to one another in the tensioned state when the lamp head is in the outermost position, the most distant from the power supply part.
  • the cable forms a loop between the parts to be connected, which is disruptive and a source of danger (e.g. getting caught by a person walking by).
  • the object underlying the invention is now to avoid such a disadvantage.
  • This is achieved in that the rod-shaped holder of the lamp has two mutually parallel grooves in which two strips of electrically conductive material are arranged.
  • the strips advantageously run parallel to the longitudinal axis of the holder and are arranged opposite one another.
  • the luminaire is intended for low-voltage operation.
  • the AC voltage of 220 V or 110 V emitted by the power grid is regulated down to a maximum DC of 24 V by a transformer.
  • the holder For the electrical contacting of the strips with the power source or the transformer, the holder is inserted at one end into a tubular receptacle in the power supply part of the lamp and the strips interact with contact springs arranged on the receptacle.
  • the lamp head provided for the holder has a connecting part, by means of which it is mechanically fastened to the holder, and to which contact elements are attached, which likewise interact with the strips of the holder.
  • the connecting part advantageously comprises the bracket in the manner of a clamp and has projections which engage in the grooves on the bracket.
  • the lamp according to the invention consists of a power supply part 1, a rod-shaped holder 2 and three lamp heads 3 arranged on the holder 2.
  • a transformer 4 is arranged in the power supply part 1 and regulates the alternating voltage emitted by the electrical power network down to a direct voltage of either 12 V, 9 V or 6 V.
  • At least one tubular receptacle 5 (see also FIG. 2) is arranged in the power supply part 1, into which the rod-shaped holder 2 for the lamp heads 3 can be inserted.
  • Contact springs 6, which span the tubular receptacle 5 and protrude with their ends through recesses in the receptacle 5, then interact with the strips 8 which are recessed on the holder 2. Lines 7 then connect the contact springs 6 to the transformer 4.
  • the strips 8 are arranged parallel to the longitudinal axis of the holder 2 and opposite one another on the holder 2.
  • Three lamp heads 3 are attached to it. They have connecting parts 9, which enclose the holder 2 like a clamp.
  • resilient contact elements 10 are provided in the connecting parts 9, which grind along the strips 8 when the lamp heads 3 move up and down, and interact electrically with them.
  • the lamp heads 3 are arranged such that they can be rotated and pivoted relative to the connecting parts 9 to the holder 2 without the use of additional cables. This is achieved by means of a ball joint that creates both the mechanical and the electrical connection between the two parts.

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Fastening Of Light Sources Or Lamp Holders (AREA)
EP85103173A 1984-03-30 1985-03-19 Lampe avec au moins une tête d'éclairage montée de manière réglable sur un support allongé Withdrawn EP0157283A3 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19843411929 DE3411929A1 (de) 1984-03-30 1984-03-30 Leuchte mit wenigstens einem an einer stabfoermigen halterung verstellbar angeordneten leuchtenkopf
DE3411929 1984-03-30

Publications (2)

Publication Number Publication Date
EP0157283A2 true EP0157283A2 (fr) 1985-10-09
EP0157283A3 EP0157283A3 (fr) 1988-03-02

Family

ID=6232159

Family Applications (1)

Application Number Title Priority Date Filing Date
EP85103173A Withdrawn EP0157283A3 (fr) 1984-03-30 1985-03-19 Lampe avec au moins une tête d'éclairage montée de manière réglable sur un support allongé

Country Status (2)

Country Link
EP (1) EP0157283A3 (fr)
DE (1) DE3411929A1 (fr)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3800792A1 (de) * 1988-01-14 1989-07-27 Josef Soelken Gmbh & Co Kg Durch einspannen zwischen boden und decke eines raumes aufstellbare leuchte
EP0421058A1 (fr) * 1989-10-05 1991-04-10 TRW United-Carr GmbH & Co. KG Elément de support en matière synthétique
FR2788106A1 (fr) * 1999-01-06 2000-07-07 Sendie Dispositif d'eclairage avec rampe de coulissement

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT8620584V0 (it) * 1986-01-23 1986-01-23 Teknolit Srl Dispositivo per l'alimentazione elettrica di apparati utilizzatori funzionanti a bassa tensione di sicurezza.
DE3628721A1 (de) * 1986-08-23 1988-02-25 Steinecke Wolfhart Leuchte fuer die indirekte beleuchtung eines raumes
DE3716634A1 (de) * 1987-05-18 1988-12-08 Ulrich Reichardt Stromschienensystem mit elektrische betriebsmittel tragenden, aufsetzbaren adaptern
DE3811496A1 (de) * 1988-04-06 1989-10-19 Stumpmeier Fritz Leuchte mit mehreren lichtquellen aus niedervolt-halogen lampen

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR924081A (fr) * 1946-02-25 1947-07-25 Support mobile de lampe d'éclairage

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR924081A (fr) * 1946-02-25 1947-07-25 Support mobile de lampe d'éclairage

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3800792A1 (de) * 1988-01-14 1989-07-27 Josef Soelken Gmbh & Co Kg Durch einspannen zwischen boden und decke eines raumes aufstellbare leuchte
EP0421058A1 (fr) * 1989-10-05 1991-04-10 TRW United-Carr GmbH & Co. KG Elément de support en matière synthétique
FR2788106A1 (fr) * 1999-01-06 2000-07-07 Sendie Dispositif d'eclairage avec rampe de coulissement
WO2000040894A1 (fr) * 1999-01-06 2000-07-13 Sendie Dispositif d'eclairage modulaire autonome

Also Published As

Publication number Publication date
EP0157283A3 (fr) 1988-03-02
DE3411929A1 (de) 1985-10-10

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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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17P Request for examination filed

Effective date: 19860208

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Effective date: 19890602

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18W Application withdrawn

Withdrawal date: 19891030

R18W Application withdrawn (corrected)

Effective date: 19891030

RIN1 Information on inventor provided before grant (corrected)

Inventor name: SCHEMM, ULRICH, DIPL.-ING.