EP0614041B1 - Fastening device for flush-mounted lighting bodies - Google Patents

Fastening device for flush-mounted lighting bodies Download PDF

Info

Publication number
EP0614041B1
EP0614041B1 EP19940200177 EP94200177A EP0614041B1 EP 0614041 B1 EP0614041 B1 EP 0614041B1 EP 19940200177 EP19940200177 EP 19940200177 EP 94200177 A EP94200177 A EP 94200177A EP 0614041 B1 EP0614041 B1 EP 0614041B1
Authority
EP
European Patent Office
Prior art keywords
lighting body
fastening device
flush
mounted lighting
arms
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.)
Expired - Lifetime
Application number
EP19940200177
Other languages
German (de)
English (en)
French (fr)
Other versions
EP0614041A1 (en
Inventor
Massimo Gattari
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.)
Iguzzini Illuminazione SRL
Iguzzini Illuminazione SpA
Original Assignee
Iguzzini Illuminazione SRL
Iguzzini Illuminazione 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 Iguzzini Illuminazione SRL, Iguzzini Illuminazione SpA filed Critical Iguzzini Illuminazione SRL
Publication of EP0614041A1 publication Critical patent/EP0614041A1/en
Application granted granted Critical
Publication of EP0614041B1 publication Critical patent/EP0614041B1/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
    • F21V21/00—Supporting, suspending, or attaching arrangements for lighting devices; Hand grips
    • F21V21/02—Wall, ceiling, or floor bases; Fixing pendants or arms to the bases
    • F21V21/04—Recessed bases

Definitions

  • the present invention relates to a fastening device for flush-mounted lighting bodies.
  • the flush-mounted lighting bodies can be manufactured with a degree of protection against the possible penetration of liquid substances, e.g., water, or solid substances.
  • the presence of hooking devices may result in a decrease in the desired protection degree the structure of the flush-mounted lighting bodies is designed with.
  • a commonly used fastening type is based on the use of sliding brackets, and two variants thereof exist. According to the first variant, a slot is provided through the support bands, and according to the second variant, on the contrary, said slot is provided through the same bracket.
  • the sliding bracket must be accessed for being manipulated, from the interior of the flush-mounted lighting body.
  • the opening the element which turns the lighting article or body into a non-protected one against particles of solid or liquid materials entering it.
  • the purpose of the present invention is of overcoming, or substantially reducing, the above listed drawbacks, which affect the traditional anchoring means used for lighting body fastening.
  • Another purpose is of providing a supporting and/or fastening device, which is simply and easily installed and does not excessively add to the total overall dimensions of the lighting body.
  • a not least purpose is of providing a fastening device which secures a strong and reliable anchoring of the article onto the carrier surface, e.g., a false ceiling, made inclined to a reference plane.
  • a flush-mounted lighting body is displayed complete with a fastening device suitable for being installed onto a side support surface of a lighting body, with said whole being indicated with the reference number 10.
  • a flush-mounted lighting body 11 there are mounted, at two diametrically opposite positions, two fastening devices 12.
  • Each of such devices 12 has a compass-like shape and is constituted by one pair of arms 13' and 13", manufactured, according to this embodiment, from punched metal sheet, having an arc-bent shape and constrained, by means of a screwed rod 14, at a first, enlarged end 15 thereof.
  • the rod 14 is slid inside a through-bore 16 provided through the lighting body 11 and through an outwards protruding portion 17 acting as a reinforcer/shoulder means.
  • an inner arm 13' elastically constrained through a spring 18 to an outer arm 13'', is caused to rest against the portion 17.
  • the screwed rod 14 is also slid through a first through-bore 19' provided through the inner arm 13' and a second screwed bore 19" provided in the outer arm 13", both of which are provided in the centre of the enlarged ends 15.
  • a round portion 20 is provided by drawing, the internal surface of which, i.e., its surface facing the other arm, acts as the seat for the spring 18.
  • the spring 18 which is a double Archimedean spiral spring -- may be hooked, hooks 21 are provided at each end of said spring. At the assembly time, said hooks 21 are each entered into a respective hole 22 provided on an edge of the round portion 20.
  • the screwed rod 14 which, in conjunction with the screwed bore 19'' acts as the clamping element for said arms 13' and 13", is preferably made of steel and in the exemplifying embodiment displayed in the Figures, has a hexagonal head 24 onto which a wing nut 25,usually made from thermoplastic material, is mounted.
  • the wing nut 25, which thus results to be integrally mounted on the screwed rod 14, has a central hollow zone acting as the seat for the hexagonal head 24 of the above said rod 14.
  • a seat is provided to house a so-said "O-ring" 27, made of rubber. In that way, a tight seal is realized on the arms 13' and 13'' clamping bore 16.
  • the arms 13' and 13'' which, in their rest position result to be lowered and resting against an edge 30 of the flush-mounted lighting body 11, are, on the contrary, rotated during the assembly, i.e., during the installation, to their position shown in phantom line in Figure 1. Said so lifted arms 13' and 13'' are inserted, or slid, into a hollow inside which the lighting body 11 is to be installed. When the insertion is complete, or when the desired position for the lighting body 11 is reached, both arm pairs are released.
  • the double-spiral springs 18, which got loaded during the rotation of the arms 13' and 13'', tend to return back to their initial position, i.e., their rest position.
  • the spring 18 causes the arms 13' and 13'' to revolve back towards their original rest position, which, in that way, come to urge against the support surface 33 of the housing hollow, which need not be necessarily planar, because the arms are capable of arranging themselves according to the shape of the concerned surface.
  • the installation of the lighting body inside said housing hollow is completed by locking the devices 12.
  • the arms 13' and 13'' are tightened by acting on the wing nut 25 which, by causing the rod 14 -- with which it is integral -- to revolve, causes the outer arm 13", which bears the screwed bore 19", to move closer to the inner arm 13' already resting against the protruding portion 17.
  • the friction resistance between the arms 13' and 13'' is secured by two protruding elements 31 bent towards the inner arm 13', which are provided on an external edge of the enlarged terminal end of the outer arm 13".
  • a boss 32 is provided, still on the same arm, in the nearby the drawn portion 20 and protruding towards the inner arm 13'.
  • One of the advantages offered by the fastening device for flush-mounted lighting bodies according to the present finding is that, besides being easily manufactured, it also allows a simple installation of the flush-mounted lighting body.

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Non-Portable Lighting Devices Or Systems Thereof (AREA)
  • Arrangement Of Elements, Cooling, Sealing, Or The Like Of Lighting Devices (AREA)
  • Clamps And Clips (AREA)
  • Fastening Of Light Sources Or Lamp Holders (AREA)
EP19940200177 1993-02-03 1994-01-26 Fastening device for flush-mounted lighting bodies Expired - Lifetime EP0614041B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
IT93MI000082U IT229607Y1 (it) 1993-02-03 1993-02-03 Dispositivo di fissaggio per corpi illuminanti ad incasso
ITMI930082U 1993-02-03

Publications (2)

Publication Number Publication Date
EP0614041A1 EP0614041A1 (en) 1994-09-07
EP0614041B1 true EP0614041B1 (en) 1997-03-19

Family

ID=11364702

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19940200177 Expired - Lifetime EP0614041B1 (en) 1993-02-03 1994-01-26 Fastening device for flush-mounted lighting bodies

Country Status (8)

Country Link
EP (1) EP0614041B1 (it)
JP (1) JP3390998B2 (it)
AU (1) AU671178B2 (it)
DE (1) DE69402096T2 (it)
ES (1) ES2099532T3 (it)
IT (1) IT229607Y1 (it)
NZ (1) NZ250787A (it)
TW (1) TW249835B (it)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT240401Y1 (it) * 1996-01-23 2001-04-02 Guzzini Illuminazione Srl I Apparecchio illuminante del tipo ad incasso
JP5026132B2 (ja) * 2007-03-30 2012-09-12 能美防災株式会社 埋込型感知器ベース
JP2008250698A (ja) * 2007-03-30 2008-10-16 Nohmi Bosai Ltd 埋込型感知器ベース
JP2008250696A (ja) * 2007-03-30 2008-10-16 Nohmi Bosai Ltd 埋込型感知器ベース
DE102010024897A1 (de) * 2010-06-24 2011-12-29 Merck Patent Gmbh Materialien für organische Elektrolumineszenzvorrichtungen

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4872097A (en) * 1988-12-05 1989-10-03 Miller Jack V Miniature low-voltage lighting fixture
AU678037B2 (en) * 1993-09-30 1997-05-15 Larimda Holdings Limited (T/A Lombard Manufacturing) Light fitting

Also Published As

Publication number Publication date
AU671178B2 (en) 1996-08-15
JPH076620A (ja) 1995-01-10
EP0614041A1 (en) 1994-09-07
AU5484494A (en) 1994-08-25
NZ250787A (en) 1995-09-26
DE69402096D1 (de) 1997-04-24
ITMI930082U1 (it) 1994-08-03
ES2099532T3 (es) 1997-05-16
ITMI930082V0 (it) 1993-02-03
DE69402096T2 (de) 1997-08-07
JP3390998B2 (ja) 2003-03-31
TW249835B (it) 1995-06-21
IT229607Y1 (it) 1999-01-29

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