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
  • F21S6/003—Table lamps, e.g. for ambient lighting for task lighting, e.g. for reading or desk work, e.g. angle poise lamps
• • 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
• • 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
  • F21V21/22—Adjustable mountings telescopic

Definitions

• Luminaire linkage in particular for low-voltage lights and luminaires, in particular table, floor or wall lights
• the invention relates to a lamp linkage according to the preamble of claim 1, as it is used for table and work lamps, in standing or wall or ceiling-mounted form, and to a lamp according to the preamble of claim 23, which as table, Floor, wall or ceiling lamp is designed.
• Such luminaires which are usually equipped with a pivotable and / or extendable support arms, have more or less rigid rods with joints, possibly with counterweights or relief springs.
• telescopic rods are widespread, especially for light halogen lamps.
• a lamp or luminaire with a variable band-shaped lamp linkage is finally known, in which on the lamp holder, consisting of a lamp base and two bracket arms protruding vertically therefrom, a rocker-type pivoting contact contact shoe between the outer ends of the bracket arms is attached.
• a support rod for a lamp head two electrically conductive, gutter-shaped metal strips are slidably guided, which are lacquer-insulated except for the longitudinal edges. These strips are with their respective channel opening facing outwards, ie arranged back to back to each other, in cross-section representing an X-shape.
• the guide contact shoe has a housing in which the ends of the tapes protruding from the guide part of the contact shoe at the rear are rolled up in a tape measure in the opposite direction to each other.
• the strap is rolled up or unrolled at the back, which means that additional rolling resistance has to be overcome.
• Another disadvantage is that the current is drawn along the entire longitudinal edges of the strip via the guide contact shoe, as a result of which there is conductive contact between the parts in all positions along the Band must be available, with a correspondingly narrow guide, which means that a higher pushing force must be applied.
• the band with the channel opening facing upwards has a bearing effect, i.e., the weight of the carrier tape and the weight of the lamp, while the band with the opening pointing downwards can not withstand any stress and only fulfills a pure power transmission function.
• the object of the invention is to provide a lamp linkage of the type mentioned above, which is simple and effective in construction, has a relatively increased load-bearing capacity of its support arm, which should also be easy to extend and insert, and a lamp which is optimally designed as a Tisach, Floor, wall or ceiling lamp can be used.
• the foot end of the at least one trough-shaped band is connected to the holder in a current-carrying manner.
• the power is conducted on the belt only on the narrow side, so that it can be isolated over its entire circumference, for example by painting, and there can be no problems with possible short circuits between uninsulated longitudinal edges, as in the prior art.
• the band can also be fastened in a zone of the band foot arm that is higher than at the lowest foot end, depending on the functional or aesthetic requirement.
• the band part between the foot end and entry into the longitudinal guide is designed in the form of a loop which has at least one non-stationary zone of the change of direction between straight band sections of variable length.
• the rod belt can first be guided in a relatively large loop with a change in the direction of the bend of 180 ° before it is passed through the longitudinal guide, this large or long belt loop taking up the belt length or emits, which is moved when inserting or pulling out the band support arm.
• this large or long belt loop taking up the belt length or emits, which is moved when inserting or pulling out the band support arm.
• two trough-shaped bands are arranged on top of or inside one another in the same direction of curvature, forming a double-wall trough. Characterized in that in the course of the support arm both tapes with their channel openings facing upwards, ie against the load, both tapes are equally load-bearing and thus the load capacity of the tape support arm is significantly optimized.
• the two bands can be connected to each other in isolation at their two ends, that is to say the foot and head ends, so that overall a compact design results as a double or sandwich band.
• the lamp holder consists of a lamp base on which at least one holder arm is attached, projecting vertically, on which in turn the longitudinal band guide is arranged.
• the longitudinal guide can be provided immovably, that is to say fixedly on a holder arm, in the form of a guide slot or as at least three guide bolts which protrude from a side surface of the holder arm or are arranged between two parallel holder arms.
• the last bolt is arranged to be vertically displaceable, e.g. B. via elongated hole and clamping screw.
• the longitudinal band guide is designed as a relatively simple rocker, which does not have to be current-carrying, that is to say can be produced from plastic.
• the band guide support surface thereof At least in the front, pull-out, relatively long support arm, the band guide support surface thereof has an upwardly open, trough-shaped profile, corresponding to the trough profile of the tapes, as a result of which the tape support arm is supported very well.
• the longitudinal rocker guide can be a straight rocker, i.e. be with two straight rocker arms aligned with one another or be designed as a deflection rocker which has a front, longer rocker support arm with a channel shape which is open at the top and a rear rocker arm.
• the belt inserted into the rear rocker seesaw first of all an arcuate bend, with a straight transverse profile, in order to be led out in a groove at the front end of the support arm.
• the arch arm can have an arched guide or the deflecting arch shape of the belts to max. 90 ° circumscribing angular shape, in which the bent band, depending on the pivoting angle of the support arm and thus the rocker, is more or less bent, that is, has a smaller or larger radius in the band bend.
• the swivel rocker it can be advantageous to design the swivel rocker so that its swivel axis is arranged above, below or substantially at the level of the rocker belt guide surface.
• the arrangement depends on the rocker construction, i.e. whether an arch rocker or a straight rocker is used, or e.g. of the extent to which the rocker arm can be swiveled in between the holder arms in order not to pinch the band passed through it.
• the guide rocker is attached to one flat side via a transversely projecting pivot axis.
• the tape can now either be attached to the lamp base with a transverse direction parallel to the swivel axis, with the channel opening facing the rocker or to the holder arm, then forming the large loop, all in all S-shaped in the same vertical plane.
• it can also be attached to the upper end of the current-carrying holder arm or to an arm extension running above the rocker and parallel to the pivot axis.
• the band can also be fastened on the flat side of the holder arm opposite to the rocker pivot axis in parallel to it, with the channel opening facing the holder arm, in the immediate vicinity with its fastening end on the lamp base and enclose it in a visually appealing manner on this flat side.
• the belt which is guided along the holder arm and beyond it, then undergoes not only a 180 ° change in direction about a transverse axis, but also a 90 ° rotation about a vertical axis in order to be introduced into the deflection rocker.
• the holder consists of two mutually parallel holding arms, then these can be made of flat or round material with a rocker attached in between.
• the rocker swivel axis can be interposed at the upper end of the two holder arms and the band can be guided essentially in an S shape in the same plane, starting from the lamp base.
• the band foot end can be used for e.g. a table lamp, protrude vertically from the top of the lamp base.
• the band foot end can be fastened flat on the top of the lamp foot, guided radially protruding from it, and then, due to the fact that the bracket has a 90 ° offset position of the holder compared to the table lamp version, the rocker also is kept pivoted upward by approx. 90 °, which means that there is an S-band guide in one level.
• a straight rocker that is to say with two rocker arms that are aligned in a straight line, a belt guide at least partially encompassing the bands on the upper side thereof being provided at the ends of the arms.
• a bracket in the form of a portal spanning the rocker above the guide surfaces is provided essentially in the center of the rocker.
• the foot end of the band is attached in a current-conducting manner so that it points with the channel opening in the direction of the guide surface and the band runs essentially parallel to the guide surface, then is bent back in a large loop by 180 ° and straight through and over the rocker guide to be carried out outstandingly as a carrying arm, essentially having a J-course overall.
• a special embodiment with a ribbon loop guide can be achieved if the two holder arms are connected at their upper outer end via a cross bracket to which the foot end of the strip is conductively fastened so that it runs in the first section in substantially the same longitudinal extent with the holder arms ,
• the bow rocker is set lower between the bracket arms.
• the belt now runs, starting from the upper crossbar, with the channel opening pointing backwards, first straight in the holding arm extension, then makes a 180 ° U-turn in order to curve into the deflection rocker and then lead straight out of it as a support arm. This gives a flat O-loop, which is an extremely simple and effective shape.
• This embodiment is visually particularly appealing when round profiles or tubes are used as the holder arms, which represent a light and pleasing design even when the wall lamp version is bent.
• an upward effective freewheel can be provided on the rocker pivot axis. This releases the swivel movement of the rocker upwards, while the swivel movement downwards is braked strongly and can only be swiveled downwards by additional pressure, which is most advantageously to be exerted at the height of the protruding rocker support arm.
• Rocker freewheel can use a spring freewheel known per se, the coil spring windings of which are tensioned when loaded in the swivel direction downwards (carrying the lamp head) and released releasing when pivoting in the opposite direction (lifting the end of the belt head with the lamp head).
• the at least one band can be made of plastic and min. have a current conductor, e.g. are applied by embedding, gluing or vapor deposition in such a way that they are correspondingly spaced from one another and thereby insulated from one another.
• a current conductor e.g. are applied by embedding, gluing or vapor deposition in such a way that they are correspondingly spaced from one another and thereby insulated from one another.
• the second e.g. the upper gutter band is non-conductive.
• only a single, trough-shaped plastic band can be provided as a band linkage, of course appropriately reinforced, which is provided with two conductors spaced in parallel.
• the rocker in particular the bow rocker, can be designed differently, especially with regard to the band-guiding upper side.
• it can have an at least partially closed tunnel shape or an at least partially closed or at least briefly encompassing guide section at the outer end of the straight support arm.
• the outer end of the arch arm does not require a guide, but at least a narrow guide in the form of the band edge is at the level of the transition between the arch and support arm, i.e. in the zone in which the channel-shaped band describes an arch with a straight cross section embracing arms or a bolt completely spanning the top of the belt.
• the flattened band is held down accordingly, so that it cannot be raised when the rocker guide is pushed in or pulled out.
• the head of the lamp "trembles", ie one Vibration around the longitudinal axis of the band can be advantageous if a flexible and vibration-damping auxiliary mass coupled to the end of the band or to the lamp head, or located or hanging, is provided as a damping mass.
• This separating tape can be designed as a foamed plastic tape which is glued on one side or unglued with adhesion-friendly surfaces or as a magnetized, flexible plastic tape.
• the lamp head is attached so that it can be clamped onto the band head end.
• the lamp head can be easily replaced in the event of damage or can be staggered, so that it does not shine downwards, but rather shines upwards, so that the ceiling or the wall is then illuminated instead of the table or the floor.
• an illuminated reading and working lens can also be attached to the head of the belt, or any other holder, e.g. for attaching a microphone, a concept holder, etc.
• the entire holder with band linkage can also be designed as a simple holding device when de-energized.
• the lamp which can be designed as a table, floor, wall or ceiling lamp, has a lamp string according to claims 1 to 22, at least one lamp head having at least one light source being attached to the head end of the band.
• a lamp is provided which has the advantageous properties of the aforementioned lamp linkage. It is advantageous if the lamp head is detachably attached to the band, in particular is clamped onto it, and a light-emitting diode is used as the light source.
• FIG. 2 a rear view according to arrow II of the lamp according to FIG. 1
• FIG. 3 a section III - III from FIG. 1, showing the double-channel shape of the rod band
• FIG. 4 shows a section IV-IV from FIG. 1, illustrating the straight-curved cross section in a bending deflection zone of the double belt
• FIG. 5 a side view of a lamp with a deflection rocker attached to the side of a holder arm and a band foot end attached to the top of the lamp foot
• FIG. 6 a rear view of the lamp according to FIG. 5,
• FIG. 7 a rear view, similar to that in FIG. 6, but with a band foot attached to an upper support arm offset,
• FIG. 8 a side view of a lamp as in FIG. 5, with a band foot attached to the top of the holder foot on the side next to the holder arm foot
• FIG. 9 a rear view of the lamp according to FIG. 8,
• FIG. 11 is a perspective view of a deflection rocker in execution with the rocker axis located under the belt guide,
• FIG. 13 a perspective view of a wall lamp similar to that in FIG. 12, with the band foot end attached flat to the top of the lamp foot,
• FIG. 14 a perspective view of a lamp as in FIG. 13, used as a ceiling lamp
• 15 is a perspective view of a floor lamp with a straight rocker with a mounting bracket for the band foot end
• FIG. 16 a perspective view of a lamp as in FIG. 15, in the form of a ceiling lamp
• FIG. 18 is a perspective view of a floor lamp with a crossbar attached to the upper end of two holder arms with a band foot end attached to it and a deflection rocker located underneath,
• Fig. 19 a perspective view of a lamp similar to Fig. 18, in a wall version, with bracket arms bent upwards
• Fig. 20 the lamp according to Fig. 19, in the version as a ceiling lamp
• Fig. 21 a floor lamp with a straight rocker and Double loop guide of the belt
• FIG. 22 a perspective view of a lamp as in FIG. 19, in the form of a ceiling lamp,
• the lamp shown in FIGS. 1 and 2 has a holder 1, consisting of a lamp base 2, on the top 3 of which a bracket 4 is attached.
• a tape longitudinal guide 6 is provided, consisting of four guide bolts 7 to 10, which protrude vertically and a free guide disk 11 is provided at each free end, to prevent the tape from slipping out laterally.
• retaining arms can also be provided at the end of the guide bolts.
• the bolts 7, 8 and 9 are firmly attached to the holding arm, while the output bolt 10 is slidably arranged in a vertical slot 12.
• a rod band 15 is attached to the holder 1 in an essentially S-shape.
• the band 15 is attached via its foot end 16 to the lamp foot top 3 so that it runs vertically upwards forming a foot arm 17 which extends far beyond the holder arm 4 and merges via a first arch 18 into an entry arm 19 parallel to the foot arm , forming an elongated, narrow loop 20 overall.
• the band then continues in the form of an arc 21, guided through the bolts 7 to 10 and then straight in a support arm 22, in order to end in a head end 23 to which a lamp head 24 is pivotally attached.
• the band 15 is formed in a flat, trough-shaped manner, as is customary with measuring tapes, and is bent straight in cross section in the deflection zones, that is to say the bends 18 and 21, so that the band is also bulged there.
• the role of the guide pin is different.
• the entry guide pin 7 has a direction-changing support function
• the outlet guide pin 10 has a support function which, depending on the vertical height setting in the elongated hole 12, also permits a vertical swivel setting of the support arm 22 and thus of the lamp head 24.
• the retaining guide pins 8 and 9 serve to support the band when pulling out or pushing it in.
• the entry arm 19 is pushed upwards, as a result of which the arch 18 moves within the band, the foot arm 17 also extending, whereby only to be seen is how the loop 20 extends upwards.
• the apex of the arch 18 remains essentially true to the location, only that it moves up and down on the same vertical axis when the support arm is displaced.
• the band 15 is a double band, consisting of two identical, trough-shaped bands, namely an upper band 13 and a lower band 14. From this illustration it cannot be seen that the bands 13, 14 are all around Lacquer are electrically insulated and lie loosely on top of each other along their entire length. The tapes are connected to each other only at the head end 23 and foot end 16 and at the guide section guided together laterally so that a drifting apart of the bands 13, 14 is not to be feared during the displacement movements. The two bands move or behave like a single band.
• Fig. 4 the two bands 13 and 14 are shown in a bent situation, wherein it can be seen that in band zones the band cross section is straight and therefore the band is wider.
• a deflection rocker 25 is articulated on its one side surface 5 as a longitudinal band guide via its pivot axis 26.
• the deflection rocker 25 consists of a deflection arm 27 supporting the deflection arch 21 of the belt and a straight, long support arm 28 which supports the trough-shaped support arm, thereby largely preventing the support arm from kinking and swaying about its longitudinal axis.
• the band is fastened with its foot end 16 on the upper side 3 of the lamp base 2, whereby it is attached very close to the front of the holder arm 4, with the channel opening pointing towards the support arm.
• the foot arm 17 of the band which extends far upward, covers the holder arm from the front.
• the belt is then turned back by 180 °, in order to then be continued via the entry arm 19 into the deflection rocker 25 and from there forward into the straight support arm 22.
• the band thus has a closed loop shape with ends projecting at an angle from one another.
• Fig. 7 is a lamp, similar to that shown in Figs. 5 and 6, only that here the holder arm 4 has at its upper end a side arm 29 to which the foot end of the band is attached in a downstream manner.
• the belt is in its entire course in a vertical plane and is not guided laterally offset, as in the example shown in FIGS. 5 and 6.
• the lamp has a basic design similar to that in FIGS. 5 and 6, except that here the foot end 16 of the band is not fastened to the front side of the holder arm 4 in a vertically extending manner on the upper side 3 of the lamp base 2, but on the holder arm surface 5a opposite the deflection rocker 25.
• the foot arm 17, with the channel opening leaning against the side surface 5a, runs vertically upward, is then returned by 180 ° over the arch 18 and at the same time pivoted by 90 ° about a vertical axis, and then, through the deflection rocker 25, to protrude as support arm 22 at the front.
• FIG. 11 shows a further embodiment of a deflection rocker 25, in which the pivot axis 26 is arranged below the belt guide or the belt.
• the deflection arm 27 consists of an L-shaped angle at which a briefly protruding support point 31 is provided in the center.
• a retaining bolt 32 is provided substantially above the pivot axis 26, which is arranged transversely above the band, supporting it upwards.
• two opposite guide arms 33 are provided at the outer end of the long support arm 28, which engage around the band edges so that they are supported upwards, downwards and laterally accordingly, so that the band projecting as a support arm also receives good support against lateral tilting.
• a floor lamp is shown, with two parallel, rod-shaped holder arms 4, at the upper ends of which a deflection rocker 25 is attached.
• the rod band is here guided in an essentially S-shaped vertical plane, with the foot end perpendicularly away from the surface of the lamp base, with the channel opening pointing away from the rocker, upwards, then turned back by 180 °, then through the deflection rocker through and from there out obliquely upwards as a support arm 22.
• FIG. 13 is a wall lamp which is constructed essentially like the free-standing lamp according to FIG. 12, only that here the foot end of the beam. of the flat, with the channel opening facing down on the top of the lamp base, is attached so that the band essentially radially or vertically aligned away from this, then in a vertically facing loop 20 in the rocker and then in the support arm to run.
• FIG. 14 shows a ceiling lamp which is identical in design to the wall lamp according to FIG. 13.
• a straight rocker 35 with rocker arms 36 aligned with one another is provided at the upper end of two holder arms 4, it being evident that at the ends of the arms 36 there is provided a belt guide 33 that grips the band edges.
• a retaining bracket 37 is provided essentially in the center on the rocker that spans the portal above the belt, to which the foot end 16 of the belt is fastened in such a way that the belt is arranged parallel and at the same time in mirror image to the belt part guided through the rocker 35.
• the entry arm 19 is thus aligned with the support arm 22, while the foot arm 17 located above the entry arm 19 always has essentially the same length as this.
• the ceiling lamp shown in Fig. 16 is designed in the same way as the table lamp of FIG. 15, except that the bracket arms 4 are longer.
• an embodiment according to FIGS. 15 and 16 is also possible for a floor lamp with relatively long holder arms.
• Such a floor lamp is shown in Fig. 17, only that here the bracket 37 is not arranged above but below the rocker arms, whereby the center of gravity is set slightly lower.
• a cross bracket 39 is provided at the upper end of the two holder arms 4, on which the foot end 16 of the band is attached in a current-conducting manner.
• This is an embodiment similar to that in FIG. 7, except that there is only one holder arm 4 (instead of two) and a side arm 29 running transversely over the rocker (instead of a cross bracket 39).
• the leadership of the bank however, and their respective orientations are essentially identical. A slight difference can still be seen in the fact that the rocker shown here has a pivot axis arranged below the belt, while in the other embodiment the pivot axis is above the belt.
• Fig. 19 shows a wall lamp, which is basically the same design as the lamp of Fig. 18, only that here the rod-shaped holder arms 4 are bent upward about a transverse axis by 90 °, so that essentially the same band course is present as in Fig 18.
• FIG. 20 in turn shows the use of the lamp according to FIG. 19 as a ceiling lamp, with only the part of the holder arms on the lamp foot side being made correspondingly longer for this purpose.
• 21 and 22 show a further embodiment with a straight rocker 35, but in which the belt has a double loop guide. From the drawing it cannot be seen that the foot end of the band is attached to a bracket arranged just above the rocker in such a way that the band is first guided parallel and in the same extent and direction as the support arm 22. The band is then returned in the form of a first arc 18 by 180 ° in the form of an intermediate arm 40 parallel to the rocker and support arm and then returned again by 180 ° via a further arc 18 and just passed on to the support arm 22 as an entry arm 19.
• Fig. 22 shows the lamp of FIG. 21 in a hanging version as a ceiling lamp.
• FIG. 23 shows a detailed view according to arrow XXIII from FIG. 18, in which the rocker pivot axis 26 is equipped with a freewheel 42, which is described in more detail in connection with FIG. 25.
• the deflection rocker 25 here, as can also be seen in more detail in connection with FIG. 24, has a central deflection arm 27, which here has the shape of an arch arm, with a support point 31 provided thereon, pointing in the direction of the band.
• the support arm 28 is designed here as a narrow rod , at the front end of a guide bracket 41st is provided.
• This has two guide arms 33, which encompass the edges of the support arm 22, into which essentially U-shaped support recesses 44 are introduced in such a way that they support the band edges on all sides.
• the band is guided or supported on the underside near the edge only via a narrow support bar 45 and an equally narrow upper retaining bar 46. This creates a secure edge guide on both sides, which holds the belt on the outer edges with little friction and thus largely prevents the belt from swaying sideways.
• Fig. 24 it can also be seen that two claw-shaped retaining arms 32 are provided during the transition from the band arch form 21 into the straight support arm 22, which support the band edges against bending upwards.
• FIG. 25 shows the freewheel of the deflection rocker 25 mentioned in connection with FIG. 23, in which a plastically deformable cylindrical brake pad 50 is concentrically arranged on the pivot axis 26, which is non-rotatably fastened to the holder arm 4.
• a screw-in bushing 51 is provided coaxially on the pivot axis and at the same time axially offset from the brake lining 50, via the end face annular surface 52 of which an axial pressure is exerted on the brake lining cylinder, as a result of which the latter is radially upset appropriate Introduce preload between the swivel axis and the tube (stuffing box system).

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• 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)
• Illuminated Signs And Luminous Advertising (AREA)

Applications Claiming Priority (3)

Publications (2)

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ID=7940198

Family Applications (1)

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• 2000
  • 2000-04-13 DE DE20006792U patent/DE20006792U1/de not_active Expired - Lifetime
• 2001
  • 2001-04-17 AU AU62039/01A patent/AU6203901A/en not_active Abandoned
  • 2001-04-17 AT AT01935976T patent/ATE357631T1/de not_active IP Right Cessation
  • 2001-04-17 DE DE50112227T patent/DE50112227D1/de not_active Expired - Fee Related
  • 2001-04-17 EP EP01935976A patent/EP1272797B1/fr not_active Expired - Lifetime
  • 2001-04-17 WO PCT/DE2001/001475 patent/WO2001079751A1/fr active IP Right Grant
  • 2001-04-17 DE DE10191472T patent/DE10191472D2/de not_active Expired - Fee Related

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