EP0388699A1 - Dispositif d'éclairage - Google Patents

Dispositif d'éclairage Download PDF

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Publication number
EP0388699A1
EP0388699A1 EP90104187A EP90104187A EP0388699A1 EP 0388699 A1 EP0388699 A1 EP 0388699A1 EP 90104187 A EP90104187 A EP 90104187A EP 90104187 A EP90104187 A EP 90104187A EP 0388699 A1 EP0388699 A1 EP 0388699A1
Authority
EP
European Patent Office
Prior art keywords
ribs
base
recesses
lamp
pot
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
EP90104187A
Other languages
German (de)
English (en)
Other versions
EP0388699B1 (fr
Inventor
Ulrich 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 EP0388699A1 publication Critical patent/EP0388699A1/fr
Application granted granted Critical
Publication of EP0388699B1 publication Critical patent/EP0388699B1/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
    • 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
    • F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • F21S6/00—Lighting devices intended to be free-standing
    • F21S6/005—Lighting devices intended to be free-standing with a lamp housing maintained at a distance from the floor or ground via a support, e.g. standing lamp 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
    • F21V17/00—Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages
    • F21V17/10—Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages characterised by specific fastening means or way of fastening
    • F21V17/14—Bayonet-type fastening
    • 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
    • F21V21/06—Bases for movable standing lamps; Fixing standards to the bases

Definitions

  • the invention relates to a lamp according to the preamble of claim 1.
  • Lights according to the preamble of the first claim are known for example as table, wall or ceiling lights.
  • the rotatability of the base is ensured in known lights in that the cover part (or base part) has a circumferential groove. After the cover part has been fitted into the cylindrical pot, the groove is backed in by screwing in screws, without the rotatability being restricted thereby. With this arrangement it has been shown that tilting and stiffness can occur during the rotary movement.
  • the table lamp shown in FIGS. 1 and 2 made of high-temperature-resistant plastic contains a low-voltage halogen incandescent lamp 1 (12 V / 75 W), which is seated in a reflector 2 with a grip cap 3.
  • the reflector is embedded in a central, circular opening in a flat, approximately square holding part 4.
  • An approximately cuboid socket 5 is attached to the rear end of the reflector by means of two screws 6.
  • a hinge 7 is formed, which connects the holding part to a flat base part 8 so that it can pivot (by 98 °).
  • Base part and holding part have the same width.
  • the base part 8 sits vertically on the top of a cylindrical base 9 and is pulled down laterally slightly above the base, which has a smaller diameter (10.5 cm) than the width (13 cm) of the base part and holding part.
  • the stand 9 is divided into three parts in a - upside down - cylindrical pot 10, on which the base part 8 attaches, a closure part 11 designed as a circular disc and an overcap 12 placed on the closure part, the base of which is equipped with knobs and forms the actual standing surface of the table lamp.
  • the circular disc of the closure part 11 is adapted in its outer diameter to the inner diameter of the pot 10 and cover 12 and has a circumferential bead 19 on the outer circumference, the outer diameter of which is form-fitted to the pot and cover and serves as a stop during assembly of the base.
  • the electrical power supply takes place via a mains cable 13 with a plug, which is led into the interior of the cover 12 and from there reaches the interior of the pot 10 through a central opening of the circular disk with extension piece 14.
  • a circuit board 16 is mounted, which carries the electrical components 17 used for the power supply of the lamp 1, including in particular a transformer.
  • a possible operating circuit that makes the lamp suitable for dimmer operation is described, for example, in DE-OS 36 35 109.
  • the electrical leads are threaded into the hinge 7 via a channel in the interior of the base part 8.
  • An elastic, broad holding strap 18 is attached to the middle piece and extends in an arc shape up to the holder 5.
  • the tether 18 contains two channels in which the electrical leads are led to the socket.
  • FIG. 3 shows a view into the interior of the pot 10.
  • ribs 21 projecting radially inwards are arranged, irregularly distributed over the circumference of the side walls of the pot. They are each 12 mm long (corresponding to an arc length of 14 °) and approx. 2 mm wide.
  • the distribution of the ribs 21 over the circumference is chosen so that two sets of three ribs, which approximately (but not exactly!) Form an equilateral triangle (with angles that deviate from 60 ° by a maximum of 15 °), are nested one inside the other .
  • One of the ribs, 21a is equipped with an inwardly extended nose 22, which forms a stop for an anti-rotation protection. Specifically, the spacing of the ribs from one another, starting from rib 21a, is 47 ° -65 ° -51 ° -31 ° -38 ° -43 °.
  • the pot 10 also contains an opening 23 in the base 15 through which the electrical feed line can be inserted into the base part and the hinge 7. Furthermore, attachment points 24 for the board are also present on the bottom 15. Part of the side wall is provided with ventilation slots 25 for regulating the temperature of the electrical components.
  • the closure part 11 is a circular disc 11a with raised side edges on both sides, as in Top view and shown in section in Figure 4.
  • a groove 27 runs around the outside of the circular disk 11a and is delimited by side walls 28, 29 made from the meat of the circular disk.
  • Corresponding recesses 26 in the pot-side wall 28 are adapted to the ribs 21 of the pot 10, so that a form-fitting placement of the closure part 11 on the pot 10 is possible.
  • the ribs 21 engage in the groove 27 and catch the side wall 28 as soon as the pot and the closure part are rotated against each other.
  • a screw 30 is inserted into a threaded bore in the region of a recess 26a of the closure part 11, so that it projects into the groove 27.
  • an overturn protection is thereby effected and a loosening of the closure cover is prevented.
  • the arrangement of the ribs or recesses is now selected so that it is ensured in each rotational position that one of the two sets of three ribs, for example 21a, 21c, 21e, forming an equilateral triangle, is guided in the groove 27 by both side walls 28, 29 becomes.
  • other ribs eg 21f, can also meet this requirement.
  • Optimal gliding behavior is achieved with six ribs, since then three ribs each, as it were decoupled in two nested triangles can be arranged. The addition of further ribs worsens the sliding behavior again, since each additional rib also requires an additional recess for insertion.
  • the invention is not limited to the illustrated embodiment of a lamp, but can be used with a variety of rotatable lamp housings.
  • the cover is equipped with standing knobs or with a center tap that can be inserted into a track or with holes for fastening to the wall.

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Non-Portable Lighting Devices Or Systems Thereof (AREA)
  • Fastening Of Light Sources Or Lamp Holders (AREA)
  • Storage Of Fruits Or Vegetables (AREA)
  • Circuit Arrangements For Discharge Lamps (AREA)
  • Lasers (AREA)
  • Medicines Containing Antibodies Or Antigens For Use As Internal Diagnostic Agents (AREA)
  • Silicates, Zeolites, And Molecular Sieves (AREA)
  • Investigating Or Analysing Biological Materials (AREA)
EP90104187A 1989-03-22 1990-03-05 Dispositif d'éclairage Expired - Lifetime EP0388699B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE8903647U DE8903647U1 (de) 1989-03-22 1989-03-22 Leuchte
DE8903647U 1989-03-22

Publications (2)

Publication Number Publication Date
EP0388699A1 true EP0388699A1 (fr) 1990-09-26
EP0388699B1 EP0388699B1 (fr) 1994-06-29

Family

ID=6837469

Family Applications (1)

Application Number Title Priority Date Filing Date
EP90104187A Expired - Lifetime EP0388699B1 (fr) 1989-03-22 1990-03-05 Dispositif d'éclairage

Country Status (6)

Country Link
EP (1) EP0388699B1 (fr)
JP (1) JPH02126304U (fr)
AT (1) ATE108010T1 (fr)
DE (2) DE8903647U1 (fr)
FI (1) FI900738A0 (fr)
NO (1) NO901282L (fr)

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2133403A5 (fr) * 1971-04-10 1972-11-24 Ismos Di Giorgio Sartoni
EP0074466A1 (fr) * 1981-09-14 1983-03-23 Steinel GmbH & Co. KG Lumière orientable
EP0087282A1 (fr) * 1982-02-24 1983-08-31 Plessey Overseas Limited Montage pour table tournante
DE3302003A1 (de) * 1983-01-21 1984-07-26 Popp + Co Gmbh, 8582 Bad Berneck Leuchte, insbesondere wand- oder deckenleuchte
US4772991A (en) * 1987-07-02 1988-09-20 Coleman Wood Lamp construction

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2133403A5 (fr) * 1971-04-10 1972-11-24 Ismos Di Giorgio Sartoni
EP0074466A1 (fr) * 1981-09-14 1983-03-23 Steinel GmbH & Co. KG Lumière orientable
EP0087282A1 (fr) * 1982-02-24 1983-08-31 Plessey Overseas Limited Montage pour table tournante
DE3302003A1 (de) * 1983-01-21 1984-07-26 Popp + Co Gmbh, 8582 Bad Berneck Leuchte, insbesondere wand- oder deckenleuchte
US4772991A (en) * 1987-07-02 1988-09-20 Coleman Wood Lamp construction

Also Published As

Publication number Publication date
FI900738A0 (fi) 1990-02-14
EP0388699B1 (fr) 1994-06-29
DE59006272D1 (de) 1994-08-04
DE8903647U1 (de) 1989-05-18
JPH02126304U (fr) 1990-10-18
NO901282D0 (no) 1990-03-20
ATE108010T1 (de) 1994-07-15
NO901282L (no) 1990-09-24

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