EP0156290A2 - Dispositif d'éclairage avec tête pivotante - Google Patents

Dispositif d'éclairage avec tête pivotante Download PDF

Info

Publication number
EP0156290A2
EP0156290A2 EP85103174A EP85103174A EP0156290A2 EP 0156290 A2 EP0156290 A2 EP 0156290A2 EP 85103174 A EP85103174 A EP 85103174A EP 85103174 A EP85103174 A EP 85103174A EP 0156290 A2 EP0156290 A2 EP 0156290A2
Authority
EP
European Patent Office
Prior art keywords
ball
joint
electrical device
functional 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.)
Granted
Application number
EP85103174A
Other languages
German (de)
English (en)
Other versions
EP0156290A3 (en
EP0156290B1 (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 EP0156290A2 publication Critical patent/EP0156290A2/fr
Publication of EP0156290A3 publication Critical patent/EP0156290A3/de
Application granted granted Critical
Publication of EP0156290B1 publication Critical patent/EP0156290B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • 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
    • F21V21/14—Adjustable mountings
    • F21V21/30—Pivoted housings or frames
    • 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 an electrical device, which consists of a holder and a functional part pivotally and rotatably arranged thereon. Both parts are also electrically connected to each other.
  • German utility model 82 28 798 a lamp is described in which the holder ends in a coaxial connection element and the lamp head has sliding contacts (fork and wire harness) which rest on the corresponding phases of the coaxial connection element.
  • an electrical device in which the functional part is arranged both rotatably and pivotally with respect to the holder, and the electrical connection between the two parts takes place without an annoying cable.
  • the object on which the invention is based is achieved in that both the mechanical and the electrical connection between the holder and the functional part takes place via a ball joint, the ball of the joint being mounted in a housing of the functional part made of plastic and at the same time with electrical contact elements of the functional part cooperates.
  • the part of the joint that carries the ball is provided with a continuous bore, the wall of this part forming one phase of the electrical current conductor and the other phase, electrically insulated from the wall, running in the bore.
  • the phase running in the hole consists of a pin made of electrically conductive material and protrudes slightly beyond the surface of the ball.
  • the other contact element is designed as a shell. Its concave side rests on the surface of the ball and thus enables the functional part to be freely rotated about the longitudinal axis of the part of the ball and socket bearing the ball and at the same time pivoting about the pivot axis mentioned above.
  • the shell is through a spring is pressed against the ball and thus the ball is pressed against the bearing in the housing of the functional part. The resulting friction causes the position of the functional part to be maintained in the predetermined position relative to the holder.
  • the insulation between the one and the other phase must be dimensioned. If the voltage is higher than 24 V, care must also be taken to ensure that the live parts of the electrical device are protected from being touched. This mechanical and electrical connection between two parts is applicable to any electrical device.
  • the luminaire partially shown in the figures consists of a holder 1 and a luminaire head 2 (functional part) arranged thereon via a ball-and-socket joint.
  • the ball-bearing part 3 of the joint is firmly anchored at one end 3a in the holder 1, the other end 3b, which the ball of Joint forms, is mounted in the plastic housing 4 of the lamp head 2.
  • This ball-bearing part 3 of the joint is provided along its longitudinal axis A with a bore 5 in which, electrically insulated from the wall, a phase of an electrical current conductor in the form of a pin 6 made of electrically conductive material runs.
  • the other phase is formed by the wall itself.
  • the one contact element 7 consists of a curved spring strip which forms approximately a 1/4 circle and interacts with the pin 6 which extends in the bore 5 and protrudes beyond the spherical surface.
  • the lamp head 2 is pivoted by approximately 90 about an axis B which is perpendicular to the longitudinal axis A of the part 3 carrying the ball and runs through the center of the ball, one end of the pin 6 slides along the contact element 7.
  • the second contact element 8 is designed as a shell and lies with its concave side against the ball of the joint. This shell is pressed by means of a spring 9 against the ball and thus also presses the ball against the bearing in the plastic housing 4 of the lamp head 2. The resulting friction causes the position of the lamp head 2 to be maintained in the predetermined position relative to the holder 1.
  • An electrical connection 10 leads from the contact elements 7, 8 to socket contacts 11, 12 of a lamp holder 13, from where an electrical transition to the corresponding lamp 14, in this case a low volt halogen lamp with reflector.
  • the lamp head 2 it is possible to adjust the lamp head 2 relative to the holder 1 in such a way that every point on a hemisphere can be reached.
  • the head 2 may be any number of times back and hergeschwenkt and also rotated through 360 0 out the process without causing an interruption of the current transition between the holder and function in part by mechanical overloading of the electrical connection portion.

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Pivots And Pivotal Connections (AREA)
  • Arrangement Of Elements, Cooling, Sealing, Or The Like Of Lighting Devices (AREA)
  • Fastening Of Light Sources Or Lamp Holders (AREA)
EP85103174A 1984-03-30 1985-03-19 Dispositif d'éclairage avec tête pivotante Expired - Lifetime EP0156290B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19843411976 DE3411976A1 (de) 1984-03-30 1984-03-30 Elektrisches geraet, bestehend aus einer halterung und einem daran schwenk- und drehbar angeordneten funktionsteil
DE3411976 1984-03-30

Publications (3)

Publication Number Publication Date
EP0156290A2 true EP0156290A2 (fr) 1985-10-02
EP0156290A3 EP0156290A3 (en) 1988-03-02
EP0156290B1 EP0156290B1 (fr) 1991-08-28

Family

ID=6232176

Family Applications (1)

Application Number Title Priority Date Filing Date
EP85103174A Expired - Lifetime EP0156290B1 (fr) 1984-03-30 1985-03-19 Dispositif d'éclairage avec tête pivotante

Country Status (2)

Country Link
EP (1) EP0156290B1 (fr)
DE (2) DE3411976A1 (fr)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2220307A (en) * 1988-04-15 1990-01-04 Marlin Lighting Limited "Articulated support for a lamp or the like"
EP0475323A3 (en) * 1990-09-11 1992-04-22 Artemide S.P.A. Lamp, particularly a table lamp
US9115878B2 (en) 2012-11-08 2015-08-25 Blackbeam Llc Spotlight with clamp

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE9419027U1 (de) * 1994-11-14 1995-04-13 LTS Licht & Leuchten GmbH, 88069 Tettnang Lampenhalterung
DE19741038A1 (de) * 1997-09-18 1999-03-25 Hella Kg Hueck & Co Leuchte für Fahrzeuge
CN118202191A (zh) 2021-10-28 2024-06-14 昕诺飞控股有限公司 定向照明装置

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE23604C (de) * A. W. BREWT-NALL in Warrington, County of Lancaster Neuerungen in der Aufhängung elektrischer Lampen und Leitungen
DE1069288B (fr) * 1959-11-19
US3278203A (en) * 1964-02-05 1966-10-11 Snyder Mfg Company Swivel connector for lamps and the like
DE1489318A1 (de) * 1965-06-23 1969-03-20 Frankl & Kirchner Haushalts- und Industrieleuchte
DE8228798U1 (de) * 1982-10-13 1984-03-22 Patent-Treuhand-Gesellschaft für elektrische Glühlampen mbH, 8000 München Leseleuchte

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2220307A (en) * 1988-04-15 1990-01-04 Marlin Lighting Limited "Articulated support for a lamp or the like"
GB2220307B (en) * 1988-04-15 1992-10-14 Marlin Lighting Limited Articulated support for a lamp or the like
EP0475323A3 (en) * 1990-09-11 1992-04-22 Artemide S.P.A. Lamp, particularly a table lamp
US5235500A (en) * 1990-09-11 1993-08-10 Artemide S.P.A. Lamp, particularly a table lamp
US9115878B2 (en) 2012-11-08 2015-08-25 Blackbeam Llc Spotlight with clamp

Also Published As

Publication number Publication date
DE3583879D1 (de) 1991-10-02
EP0156290A3 (en) 1988-03-02
DE3411976A1 (de) 1985-10-10
EP0156290B1 (fr) 1991-08-28

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