EP3517825A1 - Verbesserte aufhängungsanordnung - Google Patents

Verbesserte aufhängungsanordnung Download PDF

Info

Publication number
EP3517825A1
EP3517825A1 EP19153736.4A EP19153736A EP3517825A1 EP 3517825 A1 EP3517825 A1 EP 3517825A1 EP 19153736 A EP19153736 A EP 19153736A EP 3517825 A1 EP3517825 A1 EP 3517825A1
Authority
EP
European Patent Office
Prior art keywords
suspension
chassis member
clip
suspension clip
item
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Withdrawn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
EP19153736.4A
Other languages
English (en)
French (fr)
Inventor
Jorge Gomez Xelhuantzi
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.)
Aurora Ltd
Original Assignee
Aurora Ltd
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 Aurora Ltd filed Critical Aurora Ltd
Publication of EP3517825A1 publication Critical patent/EP3517825A1/de
Withdrawn legal-status Critical Current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
    • F21V21/10—Pendants, arms, or standards; Fixing lighting devices to pendants, arms, or standards
    • F21V21/104—Pendants
    • 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
    • F21V21/10—Pendants, arms, or standards; Fixing lighting devices to pendants, arms, or standards
    • F21V21/112—Fixing lighting devices to pendants
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • F21S4/00—Lighting devices or systems using a string or strip of light sources
    • F21S4/20—Lighting devices or systems using a string or strip of light sources with light sources held by or within elongate supports
    • F21S4/28—Lighting devices or systems using a string or strip of light sources with light sources held by or within elongate supports rigid, e.g. LED bars
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • F21S8/00—Lighting devices intended for fixed installation
    • F21S8/04—Lighting devices intended for fixed installation intended only for mounting on a ceiling or the like overhead structures
    • F21S8/06—Lighting devices intended for fixed installation intended only for mounting on a ceiling or the like overhead structures by suspension
    • F21S8/061—Lighting devices intended for fixed installation intended only for mounting on a ceiling or the like overhead structures by suspension with a non-rigid pendant, i.e. a cable, wire or chain
    • 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
    • F21V17/18—Latch-type fastening, e.g. with rotary action
    • 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
    • F21V21/008—Suspending from a cable or suspension line
    • 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
    • F21V21/08—Devices for easy attachment to any desired place, e.g. clip, clamp, magnet
    • F21V21/088—Clips; Clamps
    • 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
    • F21V21/16—Adjustable mountings using wires or cords

Definitions

  • the present invention relates to a suspension assembly or apparatus for suspending an item from a support element such as a ceiling or other surface.
  • Suspension assemblies according to the present invention can be used to suspend a wide variety of items and are particularly applicable, but in no way limited, to suspending luminaires for example linear luminaires.
  • linear luminaires typically a series of tensile elements such as wires, ropes or other suspension means are attached to the ceiling using ceiling mounts, fixed to the ceiling in appropriate positions along the line in which the linear luminaires are to be hung.
  • tensile elements holders or fixings associated with the luminaire are often in fixed positions or, if the holders are adjustable, the amount of adjustment along the luminaire is limited. Having limited positional adjustment along the luminaire can present a significant handicap to the installer.
  • a further disadvantage of some of the known systems is that the luminaire may become detached from the tensile elements unintentionally, such as if the luminaire is accidentally moved out of its normal suspended configuration, or moved in order to access the electronic components inside the luminaire. Such accidental detachment is highly undesirable and can be very dangerous, possibly resulting in serious injury.
  • a suspension apparatus suitable for suspending an item from a support element or surface such as a ceiling by means of a tensile element such as a wire, a rope or a chain, said suspension apparatus comprising:-
  • a suspension apparatus suitable for suspending an item such as a linear luminaire from a support element or surface such as a ceiling by means of a tensile element or suspension means, said suspension apparatus comprising:-
  • suspension clip lock is rotatably mounted with respect to the body of the suspension clip, such that the suspension clip lock is rotatable between locked and unlocked positions. Having a rotatable suspension clip lock simplifies installation considerably.
  • suspension clip lock is movable between a locked position and an unlocked position by hand, without the use of tools.
  • suspension clip is self-locating within the chassis member when in the locked configuration.
  • the second attachment means engages substantially entirely in use with an internal surface or surfaces of the chassis member.
  • the suspension clip comprises a cross member having resiliently deformable dependent legs, one leg being located substantially at each end of the cross member. Squeezing the legs between the fingers, as described below, causes the suspension clip to be deformed into a detachable configuration in which the suspension clip may be separated from or placed into the chassis member, whereas releasing the suspension clip returns it to an attached configuration in which the suspension clip and the chassis member are fixedly attached to each other.
  • the second attachment means comprises two feet, one foot being located substantially at the end of each dependent leg, said feet being folded back against their respective leg.
  • suspension clip lock can be positively latched in relation to the suspension clip when it is in the 'locked' position.
  • suspension clip lock arrangement ensures that the system will remain in its determined position unless a user intentionally changes it.
  • each opposing side portion of the chassis member incorporates a flange directed back into the chassis member to create a channel such that, in use, the feet at each end of the suspension clip engage with their respective channels on the opposing side portions of the chassis member to hold the suspension clip captive in the chassis member.
  • This positive engagement of the suspension clip with the chassis member makes for easy assembly and tends to prevent inadvertent disengagement of the two components.
  • This channel arrangement also enables the suspension clip to slide along the channel for ease of correct positioning.
  • the flanges on the side edges of the chassis member extend for substantially the whole length of the chassis member, such that the suspension clips may be placed anywhere along the length of the chassis member.
  • These full length channels enable the suspension clips to be located at any suitable location in order to suspend the luminaire at any point where there are features required for the correct functioning of the system.
  • the two opposing side portions of the chassis member are substantially fixed at an obtuse angle with respect to the bottom portion of the chassis member, such that the chassis member is substantially trapezoidal or frustoconical in cross-section, that is shaped like a trapezium with two substantially parallel sides when viewed in the 'in use' configuration, the shorter of the two parallel sides of the trapezium forming the base of the chassis member. Because the sides of the chassis member are angled outwards away from the base, or angled inwards towards the bottom or base of the chassis member, this ensures that the suspension clips are automatically located in the correct operating position in the channel provided, without tools or adjustment from the user. It also means that, once located and locked, the suspension clips cannot be moved or removed accidentally because they are, in effect, trapped in that position.
  • the top of the chassis member is substantially open, allowing access into the body of the chassis member to position the suspension clips as required, and to place and replace components.
  • the suspension apparatus further comprises at least one suspension means or tensile element holder adapted to attach a tensile element to the suspension apparatus, and preferably the tensile element holder is attached to or forms part of the suspension clip.
  • the tensile element holder incorporates a clutch mechanism to allow the length of the tensile element to be adjusted in situ.
  • the item to be suspended is a luminaire, and preferably a linear luminaire.
  • a suspension clip assembly for suspending an item from a support element or surface such as a ceiling by means of a tensile element such as a wire, rope or chain, said assembly comprising:-
  • the suspension clip comprises a cross member having resiliently deformable dependent legs, one leg being located substantially at each end of the cross member.
  • the attachment means comprises two feet, one foot being located substantially at the end of each dependent leg, said feet being folded back against their respective leg.
  • suspension clip lock is rotatably mounted with respect to the body of the suspension clip, such that the suspension clip lock is rotatable between locked and unlocked positions.
  • suspension clip lock is movable between a locked position and an unlocked position by hand, without the use of tools.
  • the suspension clip assembly further comprises at least one suspension means or tensile element holder adapted to attach to a tensile element and more preferably the tensile element holder is attached to or forms part of the suspension clip.
  • the tensile element holder incorporates a clutch mechanism to allow the length of the tensile element to be adjusted, which is particularly advantageous when the tensile element comprises a wire or a rope.
  • the attachment means engages with a channel or channels in a chassis member of the item.
  • the present invention also extends to a method of suspending an item from a support element such as a ceiling or other surface using suspension apparatus as claimed and described herein.
  • the present apparatus is designed and adapted to suspend a wide variety of items from a ceiling or other structural element, although it will be described below, by way of example only, in the context of suspending a luminaire.
  • a luminaire is just one example of a wide range of items that can be suspended using the present invention.
  • the present suspension apparatus has an advantage that it is designed to put itself in the correct operating position without tools or adjustment from the user. This self-positioning feature is achieved by the geometry of the system in combination with its material properties.
  • the present invention also extends to a method of suspending an item such as a luminaire from a ceiling or other support element using a suspension apparatus as claimed and described herein.
  • the suspension apparatus or assembly described herein is applicable to the suspension of a wide range of other items and other types of luminaires that require to be suspended from some sort of support element such as a ceiling, a pipe, a cable tray, a track, a T-bar or other surface, to give just a few examples of possible types of support element.
  • some sort of support element such as a ceiling, a pipe, a cable tray, a track, a T-bar or other surface
  • This list is not intended to be exhaustive but is intended simply to illustrate the wide range of different elements, surfaces or substrates that items may be suspended from.
  • the nature of the support element or surface is not critical, so long as it is sound and can take the weight of the item to be suspended from it.
  • this shows various views of a suspension clip 20.
  • This clip comprises a cross member 21, and two dependent legs 22, 23, one at each end of the cross member.
  • This bent back arrangement offers a number of advantages. Firstly it removes or avoids any sharp edges on the end of the legs that might otherwise interfere with free movement of the suspension clip, as described in more detail below.
  • the foot is sized, shaped and angled so as to fit into a channel in a chassis member (see below).
  • having a foot and having it bent back against the leg is not essential and there are other ways to create a functional feature to achieve the same objective of locating the end of a leg in a channel, and without exposed sharp edges.
  • the suspension clip is formed from a resiliently deformable material such that pressure, for example pressure between a finger and thumb, on the outsides of opposing legs causes the distance between the ends of the opposing feet to be reduced.
  • pressure for example pressure between a finger and thumb
  • An example of this deformation is shown in Figure 6 .
  • a suitable material or materials for the construction of the suspension clips will be determined by the materials specialist. Suitable materials include spring steel or other resiliently deformable metals and metal alloys, plastics materials such as nylon, polycarbonate and ABS. including glass reinforced plastics.
  • a suspension clip lock is shown in Figures 2A to 2E and its mode of operation in Figures 3 , 4 and 5 .
  • the suspension clip lock 30 is moveably mounted with respect to the suspension clip, and in this example it is rotatably mounted through a central hole 38.
  • the body of the suspension clip lock is unsymmetrical about its central axis in that it has a wide radial distance or diagonal 35, between points or tips 31 and 32 at opposite ends of diagonal 35. It has a narrow diagonal 36, substantially perpendicular to diagonal 35, with sides 33 and 34 at opposite sides of diagonal 36.
  • Lugs 39A and 39B act both as gripping points by which to rotate the suspension clip lock 30 and stops to keep it locked in the locked position.
  • the suspension clip lock 30 is typically formed from a metal or a plastics material and is substantially rigid. Additional rigidity may be conferred by vanes 37, or other equivalent features, on the underside of the lock body.
  • FIGs 3A to 3C illustrate in exploded form how the suspension clip 20 and the suspension clip lock 30 may be secured together, in this example by means of a nut 50 threaded onto a threaded end 41 of a suspension wire holder 40 through hole 38 in the suspension clip lock and hole 28 in the suspension clip itself.
  • the suspension clip and the suspension clip lock are attached together, the two components are still free to rotate with respect to each other, to the extent that lugs 39A and 39B will allow.
  • the degree of rotation is shown more clearly in Figure 4 , where Figures 4A and 4B show the "locked” configuration and Figures 4C and 4D show the "unlocked" configuration.
  • a wire is just one type of tensile element or suspension means that can be used.
  • the generic term 'tensile element' in this context has a very broad meaning and includes for example wire, rope, cord, chain, bar or cable, to give but a few examples.
  • the tensile element simply has to have sufficient tensile strength to support the weight of the item being suspended.
  • the tensile element holder may incorporate a clutch or other mechanism to allow the length of the tensile element to be adjusted.
  • suspension clip lock described above and in these figures is just one type of suspension clip lock that could be used. It acts, in effect, as a double ended cam designed to stop the suspension clip from being deformed by compressive forces. So any mechanically equivalent mechanism or design that achieves the desired result could be employed.
  • FIG. 5 shows sections of the assembled suspension clip assembly comprising the wire holder 40, suspension clip 20 and suspension clip lock 30 combination engaged with part of a chassis member or chassis chamber 60.
  • a cross-section of a typical chassis chamber is shown in Figure 7 .
  • the chassis 60 consists of a base or bottom portion (not shown) with two opposing side portions 61, 62, only the tops of which are shown for clarity.
  • the angle of these side portions with respect to the base portion is an important feature in this preferred embodiment in that the sides form an obtuse angle with the base. That is to say the sides spay out away from the base such that the chassis member becomes narrower towards the base.
  • the body of the chassis chamber or member is substantially trapezoidal in cross-section, if one considers the base, two sides and the open top and discounts the inwardly directed flanges 63 and 64 (see below), the cross-section approximating to a trapezium. It could also be described as substantially frustoconical in cross-section, that is to say it is shaped like an inverted frustum of a cone when viewed in cross-section in the 'in use' or suspended configuration, with the base of the chassis chamber directed downwards into the space beneath it.
  • each side portion is shaped inwards to create an inwardly directed flange 63, 64 and an upstand or inwardly directed lug 65, 69 and 66, 70 at the end of each flange creates what are in effect two channels 67, 68, one substantially along each top inside edge of the chassis chamber.
  • the chambers can be formed by extrusion and as a result the channels 67, 68 can extend for substantially the whole length of the chamber.
  • the width and depth of the channels 67, 68 are designed to substantially correspond to the size for the feet 24, 25 which are designed to nest in those channels.
  • Figure 5A shows the suspension clip lock in an "unlocked" configuration, in which the legs 22, 23 can be compressed such that the suspension clip assembly can be disengaged and detached from the chassis.
  • Figure 5B shows the suspension clip lock in a "locked” configuration, with the tips or points 31, 32 of the lock pressed firmly against the legs 22, 23 of the suspension clip.
  • this "locked” configuration the legs 22, 23 of the suspension clip are constrained and cannot be compressed inwards because the lock is in the way. That fact, and the fact that the width of the cross-section of the chassis chamber decreases as one moves down into the chamber means that the suspension clip is held fast in the position shown in Figure 5B , and also means that the suspension clip is self-locating inside the channels when in the locked configuration (see more detail below).
  • the sides of the chassis member are angled outwards away from the base, or to describe this another way, angled inwards towards the bottom or base of the chassis chamber, this ensures that the suspension clips are automatically located in the correct operating position in the channels provided, without tools or adjustment from the user. It also means that, once located and locked, the suspension clips cannot be moved or removed accidentally because they are, in effect, trapped in that position. They are prevented from moving upwards by the channels at the top of the chamber sides, and from moving downwards by the ever narrowing width of the chamber body.
  • the small inwardly directed lugs 65 and 66 also play an important role because even if a downward force strong enough to deform the locked suspension clip is applied, these lugs prevent the ends of the feet from disengaging from the channels.
  • Figure 6A and 6B show diagrammatically how by using only finger pressure the suspension clip can be compressed when the lock is in the "unlocked” configuration and the suspension clip assembly inserted into a chassis chamber. Releasing the pressure on the suspension clip legs allows them to return to their “at rest” state and they automatically rise up the chamber sides 61, 62 such that the feet 24, 25 nest into the channels 67, 68 provided. Once the suspension clip lock is rotated to the "locked” position, again by hand and without the need for any tools, separation of the chassis chamber assembly and the suspension clip assembly is no longer possible. This 'toolless installation operation is particular advantageous because, once the necessary fixings have been attached to the support surface, no additional tools are required, allowing the possibility of one person or single handed installation.
  • suspension clips engage substantially entirely with internal surfaces of the chassis member, and no parts of the suspension apparatus overhang or project beyond the sides of the chassis chamber. Thus the suspension apparatus is entirely invisible when viewed from below the item being suspended.
  • chassis member has opposing inwardly directing flanges or lips, the suspension apparatus will perform its function. So the sides of the chassis member could be substantially parallel, or could be angled inwardly from the base, and the invention will still work adequately.

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Clamps And Clips (AREA)
EP19153736.4A 2018-01-26 2019-01-25 Verbesserte aufhängungsanordnung Withdrawn EP3517825A1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GBGB1801293.0A GB201801293D0 (en) 2018-01-26 2018-01-26 Improved suspension assembly

Publications (1)

Publication Number Publication Date
EP3517825A1 true EP3517825A1 (de) 2019-07-31

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ID=61558070

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19153736.4A Withdrawn EP3517825A1 (de) 2018-01-26 2019-01-25 Verbesserte aufhängungsanordnung

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EP (1) EP3517825A1 (de)
GB (2) GB201801293D0 (de)

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1025243A (fr) * 1949-10-03 1953-04-13 Wilhelm Lenze K G Appareil d'éclairage consistant en tubes luminescents formant une bande lumineuse et dispositif servant à le suspendre
US4138716A (en) * 1977-05-23 1979-02-06 Arrem Plastics Inc. Lighting fixture enclosure
EP0813027A2 (de) * 1996-06-12 1997-12-17 THORN LICHT GmbH Tragschienenleuchte
EP0826919A2 (de) * 1996-08-26 1998-03-04 Koninklijke Philips Electronics N.V. Leuchte
US20060291219A1 (en) * 2005-06-14 2006-12-28 Meiric Chen Vertical adjuster for suspending lamp
DE202010007709U1 (de) * 2009-06-16 2010-08-26 Ridi - Leuchten Gmbh Leuchte und Lichtband

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1025243A (fr) * 1949-10-03 1953-04-13 Wilhelm Lenze K G Appareil d'éclairage consistant en tubes luminescents formant une bande lumineuse et dispositif servant à le suspendre
US4138716A (en) * 1977-05-23 1979-02-06 Arrem Plastics Inc. Lighting fixture enclosure
EP0813027A2 (de) * 1996-06-12 1997-12-17 THORN LICHT GmbH Tragschienenleuchte
EP0826919A2 (de) * 1996-08-26 1998-03-04 Koninklijke Philips Electronics N.V. Leuchte
US20060291219A1 (en) * 2005-06-14 2006-12-28 Meiric Chen Vertical adjuster for suspending lamp
DE202010007709U1 (de) * 2009-06-16 2010-08-26 Ridi - Leuchten Gmbh Leuchte und Lichtband

Also Published As

Publication number Publication date
GB201801293D0 (en) 2018-03-14
GB201901029D0 (en) 2019-03-13
GB2571831A (en) 2019-09-11
GB2571831B (en) 2020-10-21

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