EP1156269A2 - Filter-holding connection for lighting devices - Google Patents

Filter-holding connection for lighting devices Download PDF

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Publication number
EP1156269A2
EP1156269A2 EP01830250A EP01830250A EP1156269A2 EP 1156269 A2 EP1156269 A2 EP 1156269A2 EP 01830250 A EP01830250 A EP 01830250A EP 01830250 A EP01830250 A EP 01830250A EP 1156269 A2 EP1156269 A2 EP 1156269A2
Authority
EP
European Patent Office
Prior art keywords
plate
capsule
filter
tongues
connection
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
EP01830250A
Other languages
German (de)
French (fr)
Other versions
EP1156269B1 (en
EP1156269A3 (en
Inventor
Paolo Targetti
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.)
Targetti Sankey SpA
Original Assignee
Targetti Sankey SpA
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 Targetti Sankey SpA filed Critical Targetti Sankey SpA
Publication of EP1156269A2 publication Critical patent/EP1156269A2/en
Publication of EP1156269A3 publication Critical patent/EP1156269A3/en
Application granted granted Critical
Publication of EP1156269B1 publication Critical patent/EP1156269B1/en
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
    • F21V11/00—Screens not covered by groups F21V1/00, F21V3/00, F21V7/00 or F21V9/00
    • F21V11/16—Screens not covered by groups F21V1/00, F21V3/00, F21V7/00 or F21V9/00 using sheets without apertures, e.g. fixed
    • 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
    • F21V17/16—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 by deformation of parts; Snap action mounting
    • F21V17/164—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 by deformation of parts; Snap action mounting the parts being subjected to bending, e.g. snap joints
    • 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
    • F21V13/00—Producing particular characteristics or distribution of the light emitted by means of a combination of elements specified in two or more of main groups F21V1/00 - F21V11/00
    • F21V13/02—Combinations of only two kinds of elements
    • F21V13/08—Combinations of only two kinds of elements the elements being filters or photoluminescent elements and reflectors

Definitions

  • the present invention refers to the field of lighting devices and, in particular, to a filter-holding connection for a device which makes use of a lamp of the HMG type in accordance with ILCOS classification.
  • Lighting devices are known that make use of lamps in which a substantially hemispherical anti-glare capsule is mounted over a light source, placed in the middle of a reflector.
  • Two radial support lugs, ends of which are connected to the reflector, extend from two respective opposite generatrices of the capsule. Namely, the above-mentioned HMG lamps correspond to such configuration.
  • a first requirement is that the connection system between the filter and the lamp should be universal, i.e. not depending on the characteristics of the device on which the lamp itself is mounted.
  • Another requirement is that said system must not cause shadows or photometric disturbances.
  • the object of the present invention is to meet these requirements by providing a filter-holding connection for lighting devices making use of lamps of the above-mentioned type, which is absolutely universal and does not generate any kind of significant disturbances to the lighting functionality of the device.
  • this object is achieved with a filter-holding connection for a lighting device making use of a lamp in which a substantially hemispherical anti-glare capsule is mounted over the relevant lighting source.
  • the connection comprises a plate, to be applied on a flat face of the filter, and a plurality of tongues projecting from the edge of the plate, for elastically gripping the hemispherical capsule of the lamp.
  • a lamp 1 of the known type described in the introductory part, comprises a lighting source 4 mounted in the middle of the concave side of a paraboloid-shaped reflector 2, on the opposite side of which means 3 are provided for fixing the lamp to the related lighting device, not shown.
  • a substantially hemispheric anti-glare capsule 5 is mounted over a lighting source 4, supported by two lugs 6 radially extending between reflector 2 and respective opposite generatrices of capsule 5 itself.
  • An optical filter to be connected to lamp 1 simply consists of a disk 11, made of glass having suitable properties, which, according to the present invention, is applied by means of a reversible connection 7.
  • Connection 7 comprises a plate 8, in the example substantially round, and with a diameter which corresponds to the width of capsule 5.
  • Plate 8 is centrally connected to a face of disk 11. To this purpose, a hole 10 is formed in the middle of plate 8. Hole 10 has a small peripheral rim, not visibile, which extends axially and is inserted in a central hole 12 formed in disk 11. Hole 10 is screwed for coupling with a pin 13b of a mushroom-shaped locking member 13 comprising also a disk-shaped head 13a. Thus, locking member 13 is fitted by inserting pin 13b within hole 12 from the side opposite to that of plate 8, and then screwing the pin itself within hole 10 until head 13a abuts against disk 11. Thus, plate 8 is fixed on the opposite side of disk 11 itself.
  • a plurality of tongues 9 extends axially from the edge of plate 8 (taking the central axis both of lamp 1 and of disk 11 as a reference).
  • Preferably four tongues 9 are provided, as shown in the example, equally spaced along the periphery of plate 8.
  • Tongues 9 are slightly converging towards the inner part of plate 8, but the respective ends 9b thereof are bent outwards.
  • disk 11 with connection 7 mounted as in the above description is moved towards lamp 1, in order to make inwards faces of ends 9b of tongues 9 contact with capsule 5.
  • tongues 9 slide on the outer part of capsule 5 and, at the same time, bend elastically outwards.
  • tongues 9 assist the insertion of connection 7.
  • tongues 9 extend integrally from plate 8, thereby the connection is obtained simply by buckling a single flat element, properly shaped, made of sheet metal or other material having suitable characteristics.
  • connection according to the present invention is an actually universal one, as it co-operates only with capsule 5 and, on the other hand, it is not bound in any way by the characteristics of the device on which the lamp is mounted. Furthermore, the connection cannot cause any shadow or photometric disturbance, as it is placed in the shielded zone (that is, not involved by the light radiation) of capsule 5.

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Securing Globes, Refractors, Reflectors Or The Like (AREA)
  • Fastening Of Light Sources Or Lamp Holders (AREA)

Abstract

A filter-holding connection designed to be applied to a lighting device making use of a lamp (1) provided with a substantially hemispherical anti-glare capsule (5) mounted over the related lighting source (4), comprising a plate (8), to be applied on a flat face of the filter (11), and a plurality of tongues (9) projecting from the edge of said plate (8), for elastically gripping said capsule 5).

Description

  • The present invention refers to the field of lighting devices and, in particular, to a filter-holding connection for a device which makes use of a lamp of the HMG type in accordance with ILCOS classification.
  • Lighting devices are known that make use of lamps in which a substantially hemispherical anti-glare capsule is mounted over a light source, placed in the middle of a reflector. Two radial support lugs, ends of which are connected to the reflector, extend from two respective opposite generatrices of the capsule. Namely, the above-mentioned HMG lamps correspond to such configuration.
  • In the devices provided with such lamps, the problem frequently occurs of applying an optical filter, consisting of a disk, made of glass with filtering properties which can be chosen according to the specific requirements. In this regard, a first requirement is that the connection system between the filter and the lamp should be universal, i.e. not depending on the characteristics of the device on which the lamp itself is mounted. Another requirement is that said system must not cause shadows or photometric disturbances.
  • The object of the present invention is to meet these requirements by providing a filter-holding connection for lighting devices making use of lamps of the above-mentioned type, which is absolutely universal and does not generate any kind of significant disturbances to the lighting functionality of the device.
  • According to the present invention, this object is achieved with a filter-holding connection for a lighting device making use of a lamp in which a substantially hemispherical anti-glare capsule is mounted over the relevant lighting source. The connection comprises a plate, to be applied on a flat face of the filter, and a plurality of tongues projecting from the edge of the plate, for elastically gripping the hemispherical capsule of the lamp.
  • The characteristics and advantages of the filter-holding connection for lighting devices according to the present invention will be made clearer hereinafter with the following description of an embodiment thereof, made as an example but not limitative, referring to the attached drawing in which:
    • figure 1 is a perspective exploded view of a lamp provided with the filter-holding connection according to the invention.
  • Referring to said figure, a lamp 1, of the known type described in the introductory part, comprises a lighting source 4 mounted in the middle of the concave side of a paraboloid-shaped reflector 2, on the opposite side of which means 3 are provided for fixing the lamp to the related lighting device, not shown. A substantially hemispheric anti-glare capsule 5 is mounted over a lighting source 4, supported by two lugs 6 radially extending between reflector 2 and respective opposite generatrices of capsule 5 itself.
  • An optical filter to be connected to lamp 1 simply consists of a disk 11, made of glass having suitable properties, which, according to the present invention, is applied by means of a reversible connection 7. Connection 7 comprises a plate 8, in the example substantially round, and with a diameter which corresponds to the width of capsule 5.
  • Plate 8 is centrally connected to a face of disk 11. To this purpose, a hole 10 is formed in the middle of plate 8. Hole 10 has a small peripheral rim, not visibile, which extends axially and is inserted in a central hole 12 formed in disk 11. Hole 10 is screwed for coupling with a pin 13b of a mushroom-shaped locking member 13 comprising also a disk-shaped head 13a. Thus, locking member 13 is fitted by inserting pin 13b within hole 12 from the side opposite to that of plate 8, and then screwing the pin itself within hole 10 until head 13a abuts against disk 11. Thus, plate 8 is fixed on the opposite side of disk 11 itself.
  • A plurality of tongues 9 extends axially from the edge of plate 8 (taking the central axis both of lamp 1 and of disk 11 as a reference). Preferably four tongues 9 are provided, as shown in the example, equally spaced along the periphery of plate 8. Tongues 9 are slightly converging towards the inner part of plate 8, but the respective ends 9b thereof are bent outwards.
  • In use, disk 11 with connection 7 mounted as in the above description, is moved towards lamp 1, in order to make inwards faces of ends 9b of tongues 9 contact with capsule 5. Upon exertion of a relatively small axial pressure on disk 11, tongues 9 slide on the outer part of capsule 5 and, at the same time, bend elastically outwards.
  • This step ends as plate 8 abuts against the top part of capsule 5. In this condition, ends 9a of tongues 9 elastically urge upon the outside of capsule 5, thus assuring a steady engagement between connection 7 and capsule 5 itself and, therefore, between filtering disk 11 and lamp 1. In order to make the abutment position more steady and precise, a tubular socket 14 can be used, as shown in the example, axially extending from plate 8 in the same direction of tongues 9.
  • Therefore, bent ends 9a of tongues 9 assist the insertion of connection 7. Preferably, tongues 9 extend integrally from plate 8, thereby the connection is obtained simply by buckling a single flat element, properly shaped, made of sheet metal or other material having suitable characteristics.
  • From what described above, it will be apparent that the connection according to the present invention is an actually universal one, as it co-operates only with capsule 5 and, on the other hand, it is not bound in any way by the characteristics of the device on which the lamp is mounted. Furthermore, the connection cannot cause any shadow or photometric disturbance, as it is placed in the shielded zone (that is, not involved by the light radiation) of capsule 5.
  • Variations and/or modifications can be brought to the filter-holding connection for lighting devices according to the present invention, without departing from the scope of the invention itself.

Claims (4)

  1. A filter-holding connection for a lighting device making use of a lamp (1) provided with a substantially hemispherical anti-glare capsule (5) which is mounted over the relative light source (4), characterized in that it comprises a plate (8), to be applied on a flat face of the filter (11), and a plurality of tongues (9) projecting from the edge of said plate (8), for elastically gripping said capsule (5).
  2. The connection according to claim 1, in which said tongues (9) extend integrally from said plate (8).
  3. The connection according to any of the previous claims, in which said tongues are slightly converging towards the central part of said plate (8) and comprise respective ends (9a) for gripping said capsule (5), bent outwards in order to assist the insertion on said capsule (5).
  4. The connection according to any of the previous claims, in which said plate (8) is round, four tongues (9) being provided, equally spaced along the periphery of said plate (8).
EP01830250A 2000-05-19 2001-04-10 Filter-holding connection for lighting devices Expired - Lifetime EP1156269B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
IT2000FI000047U IT249609Y1 (en) 2000-05-19 2000-05-19 FILTER HOLDER ATTACHMENT FOR LIGHTING LUMINAIRES
ITFI200047U 2000-05-19

Publications (3)

Publication Number Publication Date
EP1156269A2 true EP1156269A2 (en) 2001-11-21
EP1156269A3 EP1156269A3 (en) 2003-05-14
EP1156269B1 EP1156269B1 (en) 2006-02-01

Family

ID=11441752

Family Applications (1)

Application Number Title Priority Date Filing Date
EP01830250A Expired - Lifetime EP1156269B1 (en) 2000-05-19 2001-04-10 Filter-holding connection for lighting devices

Country Status (5)

Country Link
EP (1) EP1156269B1 (en)
AT (1) ATE317093T1 (en)
DE (1) DE60116990T2 (en)
ES (1) ES2257392T3 (en)
IT (1) IT249609Y1 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105258080A (en) * 2014-07-14 2016-01-20 横店集团得邦照明股份有限公司 Light emitting diode (LED) lamp and cylindrical lamp

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1898148A1 (en) * 2006-09-05 2008-03-12 Attila A. Bruckner Grid screen fastening element for lighting device

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3678261A (en) * 1971-03-22 1972-07-18 Controls Switch Inc Lens assembly for indicator lights
DE3543087A1 (en) * 1985-12-05 1987-06-19 Stiers Unterhaltungselektronik Light emitter
DE29718770U1 (en) * 1997-10-02 1998-01-08 Holtkötter Leuchten GmbH, 59556 Lippstadt Reflector lamp for mains voltage

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3678261A (en) * 1971-03-22 1972-07-18 Controls Switch Inc Lens assembly for indicator lights
DE3543087A1 (en) * 1985-12-05 1987-06-19 Stiers Unterhaltungselektronik Light emitter
DE29718770U1 (en) * 1997-10-02 1998-01-08 Holtkötter Leuchten GmbH, 59556 Lippstadt Reflector lamp for mains voltage

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
"UNIVERSAL ADAPTER FOR MOUNTING OF LIGHT-EMITTING OR LIGHT-RECEIVINGDEVICES" , IBM TECHNICAL DISCLOSURE BULLETIN, IBM CORP. NEW YORK, US, VOL. 33, NR. 2, PAGE(S) 201-202 XP000123587 ISSN: 0018-8689 * the whole document * *

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105258080A (en) * 2014-07-14 2016-01-20 横店集团得邦照明股份有限公司 Light emitting diode (LED) lamp and cylindrical lamp
CN105258080B (en) * 2014-07-14 2019-01-08 横店集团得邦照明股份有限公司 LED lamp and cartridge lamp

Also Published As

Publication number Publication date
ITFI20000047V0 (en) 2000-05-19
EP1156269B1 (en) 2006-02-01
DE60116990T2 (en) 2006-10-05
ES2257392T3 (en) 2006-08-01
IT249609Y1 (en) 2003-05-20
ATE317093T1 (en) 2006-02-15
DE60116990D1 (en) 2006-04-13
ITFI20000047U1 (en) 2001-11-19
EP1156269A3 (en) 2003-05-14

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