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
  • F21S8/00—Lighting devices intended for fixed installation
  • F21S8/02—Lighting devices intended for fixed installation of recess-mounted type, e.g. downlighters
• • 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
  • 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 an attachment means for arranging a device, such as light fittings, in a recess of a layer, such as a ceiling or a wall.
• the present invention also relates to Iight fittings comprising at least one of said attachment means.
• the present invention relates to the use of a roller-type spring in said attachment means or in said Iight fittings, as we!l as a method for mounting of said light fittings.
• suspension devices for electric Iight fittings, illuminators, lights or the like that are recessed in a ceiling panel, it is known to use suspension devices in the form of spiral springs.
• two spiral-iype of springs are arranged on opposite sides of a socket of the spotlight.
• the springs are arranged on the socket such that an outer free end of each spring is prestressed in a direction away from the socket.
• the springs are then released, by removing the hand, when the socket has passed sufficiently far through the recess.
• the free ends of the prestressed springs are then forced in a direction away from the socket, such that the free end of each spring can bear towards a second inner facing surface of the ceiling. Consequently, the spotlight can be suspended in the recess of the ceiling by the force of the spiral springs.
• the prior art suspension device with spiral-type of springs mentioned above is complicated to install and not adapted for easy disassemble. Removal of parts of the ceiling, or causing damages to the ceiling, is often necessary in order to withdraw the spotlight from its position at the ceiling.
• the suspension device is not suitable for larger iight fittings, but is rather intended for small spotlights.
• the spiral-type of springs are fixed at one of their ends to the socket of the spotlight, and thus, the suspension device is only suitable to a small variation of thickness of the ceiling panels,
• SE-C2-510250 discloses a fixing device, particularly for electric light fittings.
• the fixing device is provided with a longitudinal slot, in which a fastening unit is inserted for fixing a frame in an opening of a ceiling panel.
• the fastening unit is in- sertab!e in the slot from within the frame with an anchoring part.
• the anchoring part is pivotable through the slot with a smaller arm than the slot to a position outside the frame. In this position the fastening unit is displaceable towards and pres- sable firmly against the wall surrounding the opening.
• the object of the present invention is to provide an attachment means for arrang- ing a device, such as light fittings or other objects that need to be supported at a surface, which overcomes the disadvantages of prior art.
• a further object is to provide an alternative solution in view of the state of the art and an improved attachment means, for obtaining increased flexibility with respect to different kind of ceilings and/or walls.
• Yet a further object is to provide an easy and rapid installation and disassemble. It is also an object to provide a secure solution for attachment means, which can be adapted for large variations in wall or ceiling thickness.
• the object is also to provide light fittings comprising such attachment means, a method for mounting said light fittings and a use in said attachment means.
• the attachment means comprises a roller-type spring, and spring releasing means.
• a first end of the spring is attached at a first section of a surface of an elongated body and/or to a surface of the device.
• a second end of the spring is de ⁇ tachably arranged to a second section of the surface of the body and/or of the device when the spring is unrolled.
• the spring is rolled up, when the spring is detached by the releasing means from the second section of the surface of the body and/or of the device.
• the attachment means can comprise an elongated body, such that the elongated body being arranged together with the device, e.g. suitable light fittings, and installed in the recess of the layer, preferably an indoor ceiling.
• the device e.g. suitable light fittings
• the attachment means can comprise an elongated body, such that the elongated body being arranged together with the device, e.g. suitable light fittings, and installed in the recess of the layer, preferably an indoor ceiling.
• the roller-type spring is a variable force or a constant force spring.
• the first end of the spring can be fixed at the first section of the body and/or of the device.
• the present invention may further comprise the elongated body, and consequently, the first end of the spring can be attached at the first section of the elongated body and the second end of the spring can be detachably arranged to a second section of the body when the spring is unrolled.
• the spring is rolled up, when the spring is detached by the releasing means from the second section of the body.
• the attachment means can have an arm, pivotally and displaceably arranged to the elongated body.
• the attachment means may also comprise a carriage that is displaceably arranged to the elongated body, and the arm is pivotally attached to the carriage.
• the carriage together with the arm can be arranged to run along a path of the longitudinal extension of the elongated body, and where the elongated body is provided with longitudinally extending guiding rails on each side and the carriage is provided with rail connecting means, that are engaged on the rails and designed such that the carriage may slide securely along the running path of the elongated body without any substantial resistance.
• a safety catch can be provided that prevents the carriage from leaving the running path of the elongated body.
• a transport locking member can be provided that is resiliently arranged via a leg to the elongated body at one end of the leg, and the other end of leg of transport locking member is connected to a bridging plate.
• Safety hooks can be fixedly arranged to the carriage. The safety hooks can be provided for engagement with an upper edge on the bridging plate of the transport locking member, when the hooks are displaced upwardly together with the carriage.
• the present invention relates to light fittings for suspension in a wall or a ceiling, the light fittings comprises at least one attachment means as mentioned above. Further, the present invention relates to a use of a roller-type spring in attachment means or in light fittings as mentioned above.
• the present invention relates to a method for mounting of light fittings as mentioned above, in which the method comprises the following steps: a) altering the attachment means in a secure condition to an active condition by operating the releasing means such that the spring is free to move in the direction towards the first section of the elongated body or the light fittings, where the spring is allowed to roll up, due to the spring force, over an edge of a carriage having an arm, and that the carriage is prevented from running further by a stop member; b) inserting the portion of the light fitting having the attachment means, in a recess of a layer, such as an opening of a roof/ceiling or wall panel; and c) altering the attachment means in the active condition to a lifting condition by turning the arm to- wards approximately a perpendicular position of the arm relative the elongated body or the light fitting, such that the angle between the arm and the elongated body or the light fitting is increased further than a predetermined limit of the angle, so the carriage and the roller-type spring
• the method may further comprise the step: when the attachment means is in the lifting condition, it can be altered to the secure condition, by bringing the carriage with the arm and the roller-type spring upwards along the running path to the secure condition, whereby the carriage once again can be locked in the secure condition.
• a device comprising the attachment means can be easily and rapidly installed in an uncomplicated way, and also the withdrawal of the device from an installed position is highly simplified. No extra or external tools are required.
• the attachment means according to the present invention it is possible to arrange a device, such as light fittings, recessed in a ceiling or a wall of different panel thickness.
• the attachment means serves for a reliable mounting that can be adapted for various sizes and weights of devices such as Sight fittings.
• Another advantage is that the attachment means according to the solution of the present invention require relatively little space.
• Figs. 1A-E shows in a perspective front view an attachment means according to a first embodiment of the present invention
• Figs. 1 F-G shows the attachment means shown in Fig. 1 A-E, arranged on a light fitting and installed in a recess at a ceiling or a wail panel
• Figs. 2A-D illustrates detailed and enlarged views of a lower part of the attachment means shown in Fig. 1A-E,
• Figs. 3A-F illustrates detailed and enlarged views of an upper part of the attachment means shown in Fig. 1A-E,
• Figs. 4A-C illustrates detailed and enlarged views of an arm and a carriage of the attachment means shown in Fig. 1 A-E,
• Figs. 5A-C shows schematically a second embodiment of an attachment means, according to the present invention.
• Figs. 8A-C shows schematically a third embodiment of an attachment means, according to the present invention.
• FIGs. 1 A-E shows an attachment means 2 suitable for electric light fittings, such as illuminators, spotlights, downlights, etc.
• Figs. 1 F-G shows the attachment means 2 shown in Fig. 1 A-E, arranged on a light fitting 4 and installed in a recess 6 of a layer 8, such as in or around an opening of a roof/ceiling or wall panel.
• the attachment means 2 are intended, when attached on a socket 10 of the suitable light fittings 4, to be arranged together with the suitable light fittings 4 in the recess 6 of the layer 8.
• the attachment means 2 comprises a spring 16, generally constructed as a rolled ribbon, string, strip or band.
• the spring 16 can preferably be a force spring, such as a constant or non-constant force spring.
• the spring 16 is not limited to the mentioned specific type of springs but more generally called roller-type spring. When the roller-type spring 16 is relaxed, it is fully roiled up. The spring 16 becomes stretched when it is unrolled.
• the spring 16 can be of spring steel, plastics/polymer or any other material such that the intended function of the spring can be fulfilled.
• the attachment means 2 further comprises an elongated body 18 in the shape of a supporting plate 19.
• the elongated body has a first section 20 and a second section 22.
• the attachment means 2 further comprises spring releasing means 24.
• the attachment means 2 further comprises spring retaining means 26.
• the spring releasing and retaining means 24, 26 are described more in detail below.
• a first end 28 of the spring 16 is attached to the first section 20 of the body 18, preferably at the end of the first section.
• a second end 30 of the spring 16 is de- tachably arranged to the second section 22 of the body 18, preferably at the end of the second section, when the spring is unrolled.
• the spring 16 is rolled up for adjacent engagement with the second side 14 of the layer 8, when the spring is de- tached by the releasing means 24 from the second section 22 of the body 18. This is carried out subsequent the passage of the attachment means 2 of the light fitting 4 through the recess 6 at the first side 12 to the second side 14 of the layer 8.
• the roller-type spring 4 can suitably be a constant-force spring or a non-constant force spring, the latter spring can also be called a variable force spring.
• the restoring force comes primarily from the portion of the rolled-type spring that is near the roll. Since the geometry of that section remains nearly constant, the resulting force is nearly constant.
• the attachment means 2 comprises an arm 32, pivotally and displaceably arranged to the elongated body 18.
• the attachment means 2 can also comprise a carriage 34 that is displaceably arranged to the elongated body 18, and the arm 32 is pivotally attached to the carriage 34.
• the carriage 34, together with the arm 32, is arranged to run along a running path 35 of the longitudinal extension L of the elongated body 18.
• a safety catch 38 is provided that prevents the carriage 34 from leaving the running path of the elongated body 18.
• the elongated body 18 is provided with longitudinally extending guiding rails 38 on each side.
• the carriage is provided with rail connecting means 40, that are engaged on the rails and designed such that the carriage 34 may slide securely along the running path of the elongated body 18 without any substantial resistance.
• a transport locking member 42 is provided that is resiliently arranged via one or more leg/legs 43 to the elongated body 18 at one end of the leg(s) 43.
• the transport locking member 42 is resiliently arranged via one leg 43 to the elongated body 18.
• safety hooks 44 are fixedly arranged to the carriage 34.
• the other end(s) of leg(s) 43 of transport locking member 42 is/are connected to a bridging plate 46.
• the safety hooks 44 are provided for engagement with an upper edge 47 on the bridging plate 46 of the transport locking member 42, when the hooks 44 are displaced upwardly (see arrow P1 in Fig. 3A) together with the carriage 34.
• the transport locking member 42 makes it possible to move the attachment means 2 in a secure condition (L1 ) as evident from fig. 1 A.
• the spring 18 can be retained in its second end between the carriage 34 and the running path 35 of elongated body 18.
• the retaining means 26 are formed by the safety hooks 44 and the transport locking member 42 works as the releasing means 24.
• the spring 16 is allowed to roll up, due to the spring force, over an edge of the carriage and onto the arm 32.
• the spring is configured to drive the carriage 34 along the running path in the direction towards the first section 20 of the elongated body 18.
• a stop member 48 is provided (see fig. 3E and 1 D- E). The purpose of the stop member 48 is to retain the carriage 34 in an active condition (L2). Hence, in this condition also the stop member works as a further retaining means 26.
• the stop member 48 is formed as a projecting arm, protruding at one end from the elongated body 18, and, in relaxed condition, the other free end is turned in a direction inwards and towards the spring 18 and the carriage 34 and the arm 32. !n that respect, the roller-type spring16, when in the shape of a band or ribbon, is provided with an aperture 50.
• the stop member 48 is resiliency arranged and can be moved between from the relaxed condition, which is an en- gaged position in connection with the carriage, and a position where the carriage can be released and is free to run further downwards along the running path.
• the releasing means 24 is operated.
• the bridging plate 46 is pushed P (see Fig.i B and 3D), such that the safety hooks 44 can be disconnected from engagement on the upper edge 47 at the bridging plate 46 of the transport locking member 42. Consequently, the carriage 34 is free to be displaced downwards along the running path to the active condition (L2) where the free end of the stop member 48, projecting out through the aperture 50 in the spring18, retains the carriage 34.
• an arm stretching spring 52 is provided at the end of the second section 22 of the elongated body 18, situated at least on one side of the elongated body 18, an arm stretching spring 52 is provided.
• the arm stretching spring 52 is formed as a resilient strip, protruding at one end from the elongated body 18, and, in relaxed condition, the other free end is turned alongside and in a direction parallel with the elongated body 18 towards the first section 20 of the elongated body 18,
• the safety hooks 44 arranged to the carriage 34 are provided with a lip 54, at the end opposite the hook engaging portion.
• the strip has a curved portion 55 that is configured for engagement with the lip 54.
• the attachment means 2 When the attachment means 2 is set in the secure condition (L1 ), and the hooks 44 are in engagement with the upper edge 47 on the bridging plate 48 of the transport locking member 42, the lip 54 push the curved portion 55 such that the strip of the arm stretching spring 52 is pressed backwards (see arrow A in Fig. 3A), away from the carriage 34 and the arm 32.
• the arm stretching spring 52 is then in a tightened position and the arm 32 is in a relaxed condition (see fig. 3B and fig. 1A) where the arm 32 is recessed such that the attachment means 2 has a minimal thickness.
• the arm 32 comprises a projecting shoulder 56 at the rear end adjacent the pivotal connection to the carriage 34, which points towards the backside of the elongated body 18 in the relaxed condition of the arm. in this position, the projecting shoulder 58 is not in contact with the strip of the of the arm stretching spring 52.
• the attachment means 2 is transferred from the secure condition (L1 ) to the active condition (L2), the lip 54 is brought away from the curved portion 55, Then the resilient strip of the arm stretching spring 52 is forced to its relaxed condition towards and alongside the elongated body 18, whereby the strip of arm stretching spring 52 come in engagement with the projecting shoulder 56 of the arm 32.
• the arm 32 will be elasfically pushed out and away from its relaxed condition.
• the extension of the arm 32 in relation to the longitudinal extension of the elongated body 18 form an angle a (see fig. 3F).
• the angle a is suitably larger than 5-10°, preferably at least 25°.
• the angle a is suitably in the range from about 25° to about 55°, and preferably in the range from about 35° to about 45°.
• the spring-loaded arm 32 may also be pushable towards the running path of the elongated body 18, to a parallel orientation of the arm 32 in relation to the elongated body 18. This function is important in order to be able to install a light fitting provided with the attachment means 2 in a recess 8 of a layer 8, in particular through a narrow opening of a roof/ceiling or wall panel.
• the arm 32 further comprises a central protrusion 58 in the extension of the arm 32, at the rear end, which points towards the backside of the elongated body 18, provided for engagement with the stop member 48 (see Figs. 1 E and 3E) at the end of the second section 22 of the elongated body 18.
• the stop member 48 is resiliently arranged and can be moved from the relaxed condition, which is in the active condition (L2) of the attachment means 2, and a position where the carriage can be released and is free to run further downwards along the running path, which is a lifting condition (L3),
• the arm 32 is turned T (see fig, 4B-C) towards a perpendicular position of the arm 32 relative the elongated body 18, such that the angle a between the arm 32 and the elongated body 18 is increased further than a predetermined limit of the angle a, which angle is denoted ow-
• the angle csmax is suitably in the range from about 15° to about 85°, and preferably in the range from about 35° to about 80°, and most preferred in the range from about 45° to about 75°,
• the given ranges for the angles a and amax, respectively, can be advantageous from a practical point of view.
• the angles can be varied within even wider ranges.
• the central protrusion 58 on the rear of the arm 32 comes in engagement with the resilient stop member 48 and pushes the stop member 48 away, so the carriage 34 and the roller-type spring 18 can be released and free to run further downwards along the running path.
• a device such as a light fitting, provided with the attachment means 2
• the protrusion 58 works as a further releasing means 24.
• Figs. 5A-C is an alternative design of an attachment means 100 shown, in a second embodiment according to the present invention.
• the attachment means 100 comprises the roller-type spring 18.
• the attachment means 100 comprises an elongated body 101 in form of a rod 102 having an upper angled arm 104. per- pendicular to the longitudinal direction of the rod 102, and a lower angled arm 106, perpendicular to the longitudinal direction of the rod 102 and to the extension of the upper angled arm 104.
• the attachment means 100 is intended, similarly to the description above in the first embodiment (see Figs. 1 G-F), to be arranged on a light fitting 4 and installed in a recess 6 of a layer 8, such as in or around an open- ing of a roof/ceiling or wall panel.
• the attachment means 2 are intended, when attached on a socket 10 of the suitable light fittings 4, to be arranged together with the suitable light fittings 4 in the recess 6 of the layer 8.
• Such layer 8 has a first side 12 facing a room and a second side 14, Adjacent the socket 10 of the light fittings, a border 108 is projecting outwardly perpendicular to the face of the socket 10.
• the rod 102 is pivotally and displaceably arranged by holders 103 to the surface of the light fittings 4, such that the rod 102 with the arms 104 and 106 can be pivoted up to 90° and displaced in the longitudinal direction of the rod 102.
• the lower angled arm 106 is the spring releasing means and the upper angled arm 104 works as spring retaining means.
• the first end 28 of the spring 16 is attached to a first section 1 10 at the surface of the light fittings 4 and a second end 30 of the spring 16 is detachably arranged to the second section 1 12 at the surface of the light fittings 4 by the upper angled arm 104, when the spring is un- rolled.
• the attachment means 100 comprises a hook element 1 14 protruding from the surface of the light fittings, which in this embodiment is the spring releasing means.
• the upper angled arm 104 when the upper angled arm 104 is positioned alongside the surface of the light fittings, it is configured for locked en- gagement with the hook element 1 14 such that it is possible to move the attachment means 100 in a secure condition (L1 ).
• the spring is retained in the unrolled condition supported between the surface of the light fittings 4 and the upper angled arm 104.
• the spring By releasing the upper angled arm 104 from the engagement with the hook element 1 14, the spring can be moved from the secure condition (L1 ) to a position where the spring is released and is free to run further downwards along the running path along the surface of the light fittings, which is a lifting condition (L3).
• This operation is carried out by displacing the rod 102 with the upper angled arm by pressing the lower angled arm 106 as shown in Fig. 5B. Subsequently, the lower angled arm 106 can be turned an angle ⁇ , up to 90°, which result in an equal pivotal movement of the upper angled arm 104 an angle ⁇ , away from the surface of the light fittings.
• the spring is released and is free to run further downwards along the running path along the surface.
• the spring 16 is roiled up for adjacent engagement with the second side 14 of the layer 8 and the border 108 of the light fittings 4 bear against the first side 12 of the layer 8.
• the operation into the lifting condition (L3) is carried out subsequent the passage of the attachment means 100 of the light fitting 4 through the recess 6 at the first side 12 to the second side 14 of the layer 8.
• the elongated body 101 having the rod part 102 can be excluded according to an alternative embodiment, and still the person skilled in the art can be able to carry out the present invention in its broadest way.
• the attachment means comprises the spring 16 and a release means.
• the release means may for instance only comprise of the upper arm 104, or similar means, and a hook element 1 14.
• the arm 104 can be displaceable perpendicular to the longitudinal extension of the spring 16.
• the operation of the arm 104 can be remote controlled or activated in any other way, in order to displace it and detach the en- gagement with the hook 1 14 as well as the spring 16.
• the release means may have other design as long as the intended function of the present invention can be fulfilled, that is that the spring is released from a looked/secure condition where it is unrolled and a lifting condition where the spring 16 is able to be roiled up.
• the embodiments of the invention that includes an elongated body according to the mentioned embodiments in this description, may be advantageous and preferred, from another point of view.
• FIGs. 6A-C is yet an alternative design of an attachment means 200 shown, in a third embodiment according to the present invention.
• the attachment means 200 comprises the roller-type spring 16.
• the attachment means 200 comprises an elongated body 201 in form of a strip 202.
• the roller-type spring 16 is provided with an upper aperture 204, and a lower aperture 206.
• the attachment means 200 is intended, similarly to the description above in the first embodiment (see Figs. 1 G-F), to be arranged on a light fitting 4 and installed in a recess 6 of a layer 8, such as in or around an opening of a roof/ceiling or wail panel.
• the attachment means 2 are intended, when attached on a socket 10 of the suitable light fit- tings 4, to be arranged together with the suitable light fittings 4 in the recess 6 of the layer 8.
• Such layer 8 has a first side 12 facing a room and a second side 14. Adjacent the socket 10 of the light fittings, a border 208 is projecting outwardly perpendicular to the face of the socket 10.
• the first end 28 of the spring 16 is fixed to the surface of the light fittings 4, while the second end 30 is positioned loosely and thus detachably to the surface of the light fittings 4,
• the strip 202 of the elongated body 201 is attached to a foot part 209.
• the strip 202 with the attached foot part 209 is dispiaceably arranged within the spring 16 such that strip 202 with the attached foot part 209 can be moved in the longitudinal direction when displaced along the longitudinal direction L of the spring 16.
• a first section 210 of the strip 202 with the attached foot part 209 is arranged through the lower aperture 206 at the first end of the spring 16 at the surface of the light fittings 4 and a second section 212 of the strip 202 is arranged through the upper aperture 204 at the second end 30 of the spring 16, at the sur- face of the light fittings 4, when the spring is unrolled.
• the intermediate part of the strip 202 is covered by a central part 214 of the spring 16.
• the foot part 209 is the spring releasing means, while the uppermost part of the strip 202, when projecting out from the aperture 204, works as spring retaining means.
• a bridging back part 215 at the second end 30 of the spring 16 is retained against the surface of the light fittings 4 when the strip 202 is projecting out through and beyond the aperture 204.
• the second end 30 of the spring 16 when the second end 30 of the spring 16 is positioned alongside the surface of the light fittings, it is configured for locked engagement with the strip 202 such that it is possible to move the attach- ment means 200 in a secure condition (L1 ).
• this secure condition (L1 ) the spring is retained in the unrolled condition supported between the surface of the light fittings 4 and the strip 202.
• the spring By releasing spring 16 from the engagement with the strip 202, the spring can be moved from the secure condition (L1 ) to a position where the spring is released and is free to run further downwards along the running path along the surface of the light fittings, which is a lifting condition (L3).
• This operation is carried out by displacing the strip 202 with the attached foot part 209, by pressing the foot part 209, as shown in Fig. 6B, such that the strip 202 is brought down completely into the aperture 204 in direction towards the central part 214 of the spring 16.
• the spring is released and is free to run further downwards along the running path along the surface.
• the foot part 209 is placed in recessed portion 216 on the border 208, such that the border 208 can be positioned close to an adjacent surface, e.g. the first side 12.
• the spring 16 is rolled up for adja- cent engagement with the second side 14 of the layer 8 and the border 208 of the light fittings 4 bear against the first side 12 of the layer 8.
• the operation into the lifting condition (L3) is carried out subsequent the passage of the attachment means 200 of the light fitting 4 through the recess 6 at the first side 12 to the second side 14 of the layer 8.
• an active condition (L2) is not shown or described in detail with respect to the second and third embodiments, an active condition (L2) can also be implemented in the second and third embodiments and may have the similar or equivalent features as disclosed in the first embodiment.

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• General Engineering & Computer Science (AREA)
• Non-Portable Lighting Devices Or Systems Thereof (AREA)

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• 2011
  • 2011-12-21 AU AU2011353162A patent/AU2011353162A1/en not_active Abandoned
  • 2011-12-21 WO PCT/SE2011/051562 patent/WO2012091660A1/en active Application Filing
  • 2011-12-21 EP EP11808968.9A patent/EP2659179B1/de active Active
  • 2011-12-21 CN CN2011800636350A patent/CN103370570A/zh active Pending

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