EP0493297B1 - Auf Schienen verschiebbarer Träger eines Apparates - Google Patents

Auf Schienen verschiebbarer Träger eines Apparates Download PDF

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Publication number
EP0493297B1
EP0493297B1 EP19910500146 EP91500146A EP0493297B1 EP 0493297 B1 EP0493297 B1 EP 0493297B1 EP 19910500146 EP19910500146 EP 19910500146 EP 91500146 A EP91500146 A EP 91500146A EP 0493297 B1 EP0493297 B1 EP 0493297B1
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EP
European Patent Office
Prior art keywords
carrier
wheels
along
track
central bar
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Expired - Lifetime
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EP19910500146
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English (en)
French (fr)
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EP0493297A3 (en
EP0493297A2 (de
Inventor
Eduardo Roberto Garcia
Patricia Lazzeretti
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Individual
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Individual
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    • 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
    • F21V21/15—Adjustable mountings specially adapted for power operation, e.g. by remote control
    • 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
    • F21V21/34—Supporting elements displaceable along a guiding element
    • F21V21/35—Supporting elements displaceable along a guiding element with direct electrical contact between the supporting element and electric conductors running along the guiding element
    • 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
    • F21V23/00—Arrangement of electric circuit elements in or on lighting devices
    • F21V23/04—Arrangement of electric circuit elements in or on lighting devices the elements being switches
    • F21V23/0435—Arrangement of electric circuit elements in or on lighting devices the elements being switches activated by remote control means

Definitions

  • the present invention relates to a rail-guided apparatus-carrying system particularly applicable for moving apparatuses that need to be applied to a roof or a wall of a house or any kind of structure wherein the apparatus needs to be moved and for carrying the apparatus along a predetermined path.
  • apparatus or apparatuses refers in general to any kind of articles, objects, apparatususes, devices, appliances like loudspeakers, spotlights, tools, etc., which may need to be moved along the wall or roof, particularly along a predetermined path and rotated, in any kind of house, structure, office, supermarkets, etc..
  • the preferred embodiments of the invention will be described in the following in reference to a system that may be applied to the roof of a house.
  • the invention is not limited thereto.
  • the invention may be applied to any kind of fixed surface as for example, a wall or roof surface and it may be embedded in a wall, in inclined walls, beams, profiles, etc.
  • the system is also useful for showing off objects at exhibitions, lectures, conferences, etc..
  • the power-supplying wires that receive the electricity from the house power mains are generally of insufficient length to allow the spotlight to be moved to extreme positions or, otherwise, when the spotlight is moved to a position close to the place where the wires enter the roof or the electrical wall boxes, the excess of wire length is caused to hang from the roof.
  • UK patent n° 530,789 discloses an overhead lighting device for operating rooms and comprises a guide-way and a carriage, the latter hanging from roller means which engage the guide-way to enable the carriage to translate in horizontal and oblique directions.
  • the carriage includes a forked support that pivotably mounts a lighting apparatus in a way in which the latter may be moved angularly. Movement of both the carriage relative to the guide-way and the lighting apparatus relative to the carriage is effected by separate motors and the specification includes an embodiment wherein both movements, i.e. starting and stopping of the respective motors, may be independantly controlled at a distance.
  • the operating table may be illuminated from differently selectable points and angles according to different operating requirements; however the patented invention is not concerned with the situation wherein the carriage-and-lighting-device assembly has to be moved continuously or repeatedly and, therefore, does not address the problem of vibrations and/or instability in the light beam during movement.
  • US patent n° 3,680,030 discloses a movable carrier (or trolley) suspended from a rail-like frame including a supporting track and a guiding track longitudinally extending in a same path direction.
  • the carrier includes means for attaching a lighting appliance and means for coupling it to the frame means including a pair of side-mounted rollers for supporting the carrier from the supporting track and a third roller for guiding it along the guiding track; the third roller cooperates with said supporting means to jointly apply pressure to said tracks.
  • the pressure applied to the tracks may be adjusted manually by means of a turnbuckle.
  • the pair of supporting track-roller sets also acts as electrical pick-up means, such pressure adjustment is used to insure good electrical contact between side roller and corresponding track and at the same time enable the carrier to be moved between different positions along the frame.
  • said pressure may provide some degree of stability during movement, this is not a stated object nor is it suggested by the disclosure; in applications wherein the carriage-and-lighting-device assembly has to be moved continuously or repeatedly from one position to another there is no provision for substantially maintaining the lignt beam stable in movement nor dampening vibrations during carrier movement, whether centred or offset from the gravity centre of said carrier.
  • the invention is directed to a guided appliance-carrying system for moving one or more appliances along a predetermined path, the system comprising: a rail-like holding device for attachment to a fixed surface and including at least a supporting track and a guiding track extending in the same direction and defining said predetermined path, and at least one movable carrier adapted to be moved along said holder device between different positions along said path and including means for attaching said appliance thereto; said carrier comprising coupling means including means for supporting said carrier on said supporting track and means for guiding the carrier along said guiding track, driving means for propelling the carrier in the holding device and along said path, and means for energizing at least said driving means and eventually said appliance; characterised by further comprising means for stabilizing said carrier and dampening vibrations transmitted between said supporting and guiding means and said carrier during acceleration and deceleration thereof and movement along said holder, said carrier stabilizing and vibration dampening means being resiliently connected to said coupling means, whereby said stabilizing and vibration dampening means are responsive to vibrations produced
  • the invention is also directed to a rail-guided apparatus-carrying system that has an electrical-feeding system for supplying electrical power to the component elements of the movable carrier and to the carried apparatus.
  • the invention is also directed to a rail-guided apparatus carrying system including batteries for operating the system and the carried apparatus.
  • the system of the invention is also capable of being operated by remote control such as an ultrasonic, infrared or radio control.
  • remote control such as an ultrasonic, infrared or radio control.
  • the system may also be operated through a switch, for example embedded in the wall.
  • Figure 1A is a cross-section view, taken along cutting lines A-A of figure 2, of the system according to the present invention.
  • Figure 1B is an enlarged view of the holding assembly of figure 1A.
  • Figure 2 is a top plan view of the system of figure 1, with the holding system removed and part of the carrier shown as if it were transparent for clarity purposes.
  • Figure 3 is a cross-section view of the system of figure 1, taken along the cutting lines B-B of figure 2.
  • Figure 4 is a cross-section view of the system of figure 1, taken along the cutting lines C-C of figure 2.
  • Figure 5 is a cross-section view of a second embodiment of the invention, taken along the cutting lines A-A of figure 2.
  • Figure 6 is a top plan view of the system according to the invention showing a coupling between a curved section and a straight section of the holding assembly.
  • Figure 7 is a cross-section view taken along cutting lines A-A of figure 6.
  • FIGS 8, 9 and 10 are schematic views of different embodiments of the stabilizing mechanism.
  • FIG. 1A to 4 an apparatus carrying system according to a first embodiment of the present invention is shown.
  • Holding assembly 1 includes a U-shaped profile 3 holder having a base 14 that may be affixed to a roof 12 by means of screws 13 or any other securing members.
  • Base 14 has a vertical pending guiding rib 11 for the purposes described below. Although one rib is illustrated more than one may be provided even upright extended.
  • a pair of parallel wings 4 pending from base 14 provide, in an inner side, opposite flanges 15 defining respective tracks lying in the same plane.
  • a track-retaining profile 22 is provided for defining respective opposite tracks 25 in order that the movable carrier may move along the entire length of the holder 3 as it will be described below.
  • holder 3 In the case that holder 3 is to be affixed to a vertical wall, it may be supported on the wall through base 14, with minor changes done in the system.
  • outer wings 5 Parallelly to inner wings 4 there is provided a pair of outer wings 5 also pending, in this embodiment, from base 14 of holder 3.
  • outer wings 5 carry electrical contacts 17 which may be connected to the power mains of the house wherein the system of the present invention is installed.
  • the purpose of the electrical-feeding system 16 is to supply power to the movable carrier 2 and to the apparatus (not shown) that is carried by the movable carrier 2.
  • Contacts 17 may consist of elongated conductors like bars, tracks, rails and the like.
  • a stabilizing guiding mechanism 6 is provided to connect, in a movable relationship, the holder 3 to carrier 2.
  • mechanism 6 is provided with a central hanger bar 10 which at a lower end thereof is connected to, for example, a top wall 42 of a carrier box 37 of the carrier 2 by means of an upper hanger member 24.
  • Member 24 comprises any kind of retaining member, such as a threaded sleeve, etc., which allows the carrier 2 to be supported by the hanger bar.
  • hanger bar 10 has at least one guide wheel 7, connected thereto by a resilient means (obscured), the purpose of which is to run over guiding rib 11 of holder 3 to guide carrier 2 along its predetermined movement path.
  • hanger bar 10 is provided with an axle 9 rotably mounted to bar 10 by means of ball-bearings or the like, axle 9 having a pair of supporting wheels 8 the purpose of which is to support the entire assembly formed by carrier 2 and the apparatus (not shown) carried by the carrier 2.
  • wheels 8 run over the opposite flanges or tracks 15 of the inner wings 4 shown in figures 1 and 3.
  • the guiding effect provided by rib 11 may be otherwise provided by tracks 15.
  • flanges 15 may include each an upright rib over which each supporting wheel 8 may run, in which event wheels 8 will function as supporting and guiding wheels and rib 11 is therefore not necessary.
  • the guiding and supporting mechanisms comprise only one assembly.
  • At least a pair of hinged arms 34 are pivotally connected at an end thereof, to a middle part of hanger bar 10 while at the other end, bars 34 are connected to the leading and rear sliding bars 35L and 35R.
  • Leading and rear sliding bar 35L and 35R have at their respective lower ends sliding wheels 36L and 36R the purpose of which is to participate in the stabilization of carrier 2 by rotably acting against the inner side of the top 42 of the carrier box 37 which includes a grooved surface wherein the sliding wheels 36L and 36R run into.
  • Driving wheel 21 acts against the inner side of wing 4 of holder 3.
  • Driving wheel 21 is provided at an upper end of a driving shaft 20 which in turn is powered by a driving motor unit 25 housed within a carrier box 37.
  • driving wheel 21 is a toothed wheel that runs over a toothed track 23 in order to move carrier 2 along holder 3.
  • both driving wheels may be powered by the motor unit 25, in this embodiment only one shaft 20 is connected to the motor unit 25 while the shaft 20 located on the right-hand side, as viewed in figure 1, is a freely-rotably-mounted shaft.
  • Driving wheels 21 may be metal, plastics or rubber made wheels.
  • Driving motor unit may comprise a DC or AC motor or any kind of suitable motor and the pressure regulator 32 may include springs, screw-regulated springs and the like.
  • Movable carrier 2 also includes an apparatus actuating unit 28 comprising one or more motors generating rotations about a vertical, a horizontal or an inclined axis, as well as a holding mechanism. In the case that more than one motor is provided, one motor may move a support wherein another motor is mounted to obtain an ample variety of movements.
  • the purpose of unit 28 is to provide the carried apparatus (not shown) with the required movement thereof. For example, if the apparatus is a spotlight, it may be necessary to provide a spotlight with a rotating movement to direct the light beam to the desired part of the room. The spotlight may be moved by the unit 28 about a horizontal axis as well as about a vertical geometrical axis.
  • One or more motors may be provided together with electromagnetic clutches, servomechanisms, etc..
  • Unit 28 may be mounted on a supporting plate 33 although it may be connected to any other part of carrier box 37 by means of screws or any other retaining means.
  • a plurality of multi-terminals or connector boxes 26 are provided within carrier box 37.
  • boxes 26 To supply electricity to the units 25 and 28 as well as to the apparatus (not shown), boxes 26 must collect power from electrical contacts 17.
  • a plurality of electrical contacting fingers 19 are provided which in turn have at their upper ends a rotary electrical-contacting head 18 the purpose of which is to move along the selected electrical contact 17 and remain electrically engaged with the contacts 17 in spite of carrier 2 moving along holder 3.
  • Head 18 may slide over any kind of conducting material 17 which may comprise a flexible plate, a metallic bar, etc.. Head 18 may exert pressure against contacts 17 by means of springs, etc..
  • Electrical conducting wires 27 or any other conductor members carry the necessary electricity to feed units 25 and 28.
  • Electrical conducting member 30, such as a wire carry the necessary power for the rotary electrical connectors 29 which collect the electricity and transmit it to the carried apparatus which, in turn, is connected to carrier 2 by means of an apparatus hanger member 31 that comprises a retaining member such as threaded sleeves with electrical connectors, washers and the like.
  • Connectors 29 may comprise any rotating connectors of the conventional type which are capable of rotating while collecting electricity from wire 30 and transmitting it to the carried apparatus (not shown).
  • Hanging member 31 is also capable of retaining the apparatus (not shown), moving it and transmitting the necessary electrical power to it.
  • the movement of carrier 2 may be started by switching on a wall-embedded switch capable of starting driving motor 25 to move carrier 2 along holder 3.
  • Unit 28 may be operated with a different switch to rotate, for example, a spotlight once the carrier has been moved to the desired location.
  • the movement of carrier 2 as well as the movement of the spotlight may be done simultaneously.
  • the quantity of movements to which the apparatus is subjected will depend on the needs. It is also possible to have a remote control circuit that allows the user to move the carrier and the spotlight with a remote control unit. Although the circuitry is not illustrated, this kind of remote control system is well known in the art and a description thereof is not necessary.
  • figure 5 a second embodiment of the invention is shown together with figures 2 to 4. Parts in figure 5 already described in figure 1 have the same reference number.
  • the embodiment of figure 5 differs from the first described embodiment in that the outer wings 5 are not integral with holder 3.
  • wings 5 comprise a flange profile which is slidably and/or removably connected to holder 3 by a plurality of flanges 39.
  • wings 5 By this construction, it is possible to add a plurality of parallel arranged wings 5 which enable the system to have an increased number of electrical contacts 17. More than one or two wings 5 may be assembled to the system. Wings may be connected to the holder 3 by any kind of retaining means such as screws, fasteners, clamps, etc..
  • Contacts 17 may also be arranged in groups in horizontal or vertical patterns.
  • a finger actuating unit 38 is provided in carrier 2.
  • Unit 38 comprises a slide-rail or cursor along which the contacting fingers 19 slide to keep an electrical engagement with the corresponding contacts 17 of any of wings 5.
  • this embodiment is the same as the first embodiment described in connection with figures 1 to 4.
  • the electrical power for units 25 and 28 or any other unit involved in the operation of the system, as well as for the carried apparatus is provided by batteries which supply power through conducting members such as wires.
  • the switches for operating the system of this embodiment or for acting on batteries 40 may be either provided on the exterior of carrier 2 or a remote control unit may be provided.
  • the batteries may be used in the embodiments of figures 1 through 5 by adapting the parts involved, as well as other parts used in the first two embodiments may be used in the present alternative one.
  • Figures 6 and 7 show the joint between two sections of holder 3, that is a curved section 44 and a straight section 46, coupled by a coupling 47.
  • Coupling 47 provides for a mechanical coupling between sections 44 and 46 as well as for the electrical coupling to the electrical connector 17. If sections 44-46 are both straight, some changes could be done to the carrier. For example, the guiding mechanism will not be articulated on the axle of the supporting wheels.
  • wings 5 are very similar to those illustrated in the embodiment of figure 5. These wings are of the type that may be removably assembled to holder 3. This coupling may be used in any of the above-described embodiments and it is not limited to any of them.
  • electrical contacts 17 may be connected to the power mains of the house at an end of the path defined by the system of the invention, the power may be picked up at the middle part of this path, for example, by coupling 47 and by means of electrical connectors 48.
  • This array is also useful for all embodiments and makes it possible to have an endless electrical circuit.
  • stabilizing hanger mechanism 6 has not been illustrated in figure 7 and also because its mechanism may be the same or similar to those illustrated in the embodiments described previously.
  • FIG. 8A, 8B and 9A, 9B a second and third embodiments of the stabilizing guiding mechanism 6 according to the present invention are respectively illustrated.
  • the embodiment of figures 8A and 8B differs from the embodiment described in figure 3 in that the hinged arms are, in this case, two pairs of flexible strips 50-51, each joined to ball-bearings 52 rotably mounted on the hanger bar 10. Said ball-bearings 52 allow stabilizing mechanism to easily rotate around bar 10.
  • said strips 50-51 include guiding and stabilizing wheels 50' and 51' corresponding to wheels 7, 8 and 36 of the embodiment of figure 3.
  • the flexible strips will dampen centred or offset forces particularly appearing during movement of the carrier. Said forces may be produced by the movement about the bar 10 with respect to the carried apparatus, by the inertia of said apparatus during movement and stopping or by the reciprocating movement of said apparatus.
  • Figures 9A and 9B show another embodiment wherein the flexible strips 50-51 are replaced by dampers 55 mounted between guiding and stabilizing wheels 53 and 54 while hinged arms 34 are mounted on wheels 52 and include said stabilizing wheels 54 at their free ends 34'.
  • figures 10A and 10B show another embodiment wherein the guiding mechanism comprises free-rolling wheels 62 which run over tracks 63. Said wheels 62 are bonded to facing plates 60-61 jointed by an elastic means such as a spring.

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Carriers, Traveling Bodies, And Overhead Traveling Cranes (AREA)
  • Apparatus For Radiation Diagnosis (AREA)

Claims (26)

  1. Geführte Geräteförderanlage zum Bewegen eines oder mehrerer Geräte längs einer vorbestimmten Bahn, wobei die Anlage aufweist: eine gleisartige Halteeinrichtung (1) zur Befestigung an einer festen Oberfläche mit wenigstens einer Stützschiene (15) und einer Führungsschiene (11), die sich in der gleichen Richtung erstrekken und die vorbestimmte Bahn bilden, sowie mindestens einen beweglichen Wagen (2), der längs der Halteeinrichtung zwischen verschiedenen Stellen längs der Bahn bewegt werden kann und Einrichtungen (31) zum Befestigen des Geräts an demselben aufweist; wobei der Wagen Kupplungseinrichtungen einschließlich einer Einrichtung (8) zum Abstützen des Wagens auf der Stützschiene und einer Einrichtung (7) zum Führen des Wagens längs der Führungsschiene, eine Antriebseinrichtung (21,25) zum Antreiben des Wagens in der Halteeinrichtung und längs der Bahn sowie Einrichtungen zur Energieversorgung wenigstens der Antriebseinrichtung und eventuell des Geräts aufweist; gekennzeichnet durch Einrichtungen zur Stabilisierung des Wagens und Dämpfung von Schwingungen, die zwischen der Stütz- und Führungseinrichtung und dem Wagen während der Beschleunigung und Verlangsamung desselben und seiner Bewegung längs der Halteeinrichtung übertragen werden, wobei die Einrichtungen zur Wagenstabilisierung und Schwingungsdämpfung mit den Kupplungseinrichtungen elastisch verbunden sind, wodurch die Stabilisierungs- und Schwingungsdämpfungseinrichtungen auf Schwingungen ansprechen, die während der Bewegung des Wagens erzeugt werden, einschließlich sowohl auf den Schwerpunkt des Wagens zentrierter als auch dagegen versetzter Schwingungen.
  2. Anlage nach Anspruch 1, dadurch gekennzeichnet, daß die Stützschienen zwei im wesentlichen flache, coplanare Schienen (15) umfassen, die sich in Längsrichtung parallel zueinander und in gegenseitigem Querabstand erstrekken, wobei die Stabilisierungs- und Schwingungsdämpfungseinrichtungen zwei Paare von Rädern (8L,8R) umfassen und wobei die Paare jeweils einen gegenseitigen Längsabstand entlang der Bahn einschließen und jeweils ein Rad jedes Paares auf einer anderen der Schienen läuft.
  3. Anlage nach Anspruch 2, dadurch gekennzeichnet, daß die Paare von Rädern jeweils auf einer zugehörigen Achse (9) gelagert sind, die allgemein quer zu der Bahn angeordnet ist.
  4. Anlage nach Anspruch 3, dadurch gekennzeichnet, daß die Kupplungseinrichtungen Stabilisierungsstäbe (35) umfaßt, welche die Achsen mit dem Wagen verbinden.
  5. Anlage nach Anspruch 4, dadurch gekennzeichnet, daß die Stabilisierungsstäbe zwei Gleitstäbe (35) aufweisen, die in gegenseitigem Abstand längs der Bahn angeordnet sind und jeweils eine der Achsen mit dem Wagen verbinden; und daß der Wagen an einem Mittelstab (10) hängt und die Gleitstäbe mit dem Mittelstab durch am Mittelstab angelenkte Arme (34) verbunden sind.
  6. Anlage nach Anspruch 3, dadurch gekennzeichnet, daß der Wagen an einem Mittelstab (10) hängt und die Achsen mit den elastischen Verbindungseinrichtungen verbunden sind, die am Mittelstab in einer Ebene allgemein parallel zu der die Achsen enthaltenden Ebene schwenkbar angelenkt sind.
  7. Anlage nach Anspruch 6, dadurch gekennzeichnet, daß die elastischen Verbindungseinrichtungen flexible Streifen (51) aufweisen, die mit jeder Achse verbunden sind und am Mittelstab schwenkbar angebracht sind.
  8. Anlage nach Anspruch 6, dadurch gekennzeichnet, daß die Achsen auf Dämpfern (55) gelagert sind und die elastischen Verbindungseinrichtungen Arme (34) aufweisen, die mit den Dämpfern (55) verbunden und am Mittelstab schwenkbar angelenkt sind.
  9. Anlage nach einem der Ansprüche 5 bis 8, dadurch gekennzeichnet, daß die Führungsschiene sich in Längsrichtung parallel zu den beiden im wesentlichen flachen coplanaren Schienen (15), jedoch im Abstand von deren Ebene erstreckt und daß die Führungsschiene zwei Flanschflächen allgemein senkrecht zu der Ebene der beiden coplanaren Stützschienen aufweist; die Wagen-Stabilisierungs- und Schwingungsdämpfungseinrichtungen ein Paar von Querrädern aufweisen, die gegen die gegenüberliegenden Seitenflächen der Flanschflächen laufen, um zur Stabilisierung von Querkräften beizutragen, die während der Wagenbewegung längs der Bahn auftreten, sowie ein drittes Paar von Rädern (7L,7R) in gegenseitigem Längsabstand längs der Bahn, die auf der Führungsschiene laufen, und daß die elastischen Verbindungseinrichtungen das dritte Paar von Rädern mit dem Mittelstab mit einer ähnlichen, die ersten zwei Paare von Rädern mit dem Mittelstab verbindenden Einrichtungen verbinden.
  10. Anlage nach Anspruch 2, dadurch gekennzeichnet, daß der Wagen an einem Mittelstab (10) hängt und die zwei Paare von Rädern (62) an einer ersten Platte (60) gelagert sind, die senkrecht zum Mittelstab angeordnet und daran befestigt ist; und daß die Führungsschiene zwei zusätzliche im wesentlichen flache coplanare Schienen (11) aufweist, die sich in Längsrichtung parallel zu den zwei im wesentlichen flachen coplanaren Schienen (15) erstrecken, jedoch im Abstand von der Ebene derselben; die Stabilisierungs- und Schwingungsdämpfungseinrichtungen zwei zusätzliche Paare von Rädern (62) aufweisen, die einen gegenseitigen Längsabstand entlang der Bahn einschließen und auf den zusätzlichen Schienen laufen, die Dämpfungseinrichtungen ferner eine zweite Platte (61) aufweisen, die zur ersten Platte hinweist und mit dieser durch elastische Mittel, wie eine Feder (64), verbunden ist, und daß die zweite Platte an dem Mittelstab angebracht ist und an ihr die zusätzlichen Paare von Rädern gelagert sind.
  11. Anlage nach einem der Ansprüche 5 bis 10, dadurch gekennzeichnet, daß die elastischen Verbindungseinrichtungen an dem Mittelstab durch Kugellager (52) gelagert sind.
  12. Anlage nach einem der vorangehenden Ansprüche, dadurch gekennzeichnet, daß jede Schiene einen mit einer Längsrippe versehen Flansch aufweist und daß jedes Rad von einer Umfangsnut umfaßt wird, die auf die entsprechende Rippe paßt.
  13. Anlage nach einem der vorangehenden Ansprüche, bei welcher die Halteeinrichtung ein U-förmiges Profil mit einer Basis und Flügeln ist, dadurch gekennzeichnet, daß die Halteeinrichtung mit einem elektrischen Zuführsystem (16) versehen ist, das eine Anzahl von langgestreckten elektrischen Leitern (17) an wenigstens einem der Flügel aufweist, wobei der Wagen Kontaktteile (18) zum elektrischen Eingriff an jeweils einem der langgestreckten Leiter zur Zuführung elektrischer Spannung und/oder von Steuersignalen zum Wagen und/oder dem Gerät aufweist.
  14. Anlage nach Anspruch 13, dadurch gekennzeichnet, daß die Anzahl von langgestreckten elektrischen Leitern an wenigstens einem dritten äußeren Flügel parallel zu den inneren Flügeln einstückig mit dem U-förmigen Profil angebracht sind.
  15. Anlage nach Anspruch 13, dadurch gekennzeichnet, daß die Anzahl von langgestreckten elektrischen Leitern an äußeren Flügeln angebracht sind, die parallel zueinander und zu den inneren Flügeln liegen, wobei die äußeren Flügel vom U-förmigen Profil abnehmbar sind und an deren jedem ein Flansch befestigt ist, der durch Befestigungsmittel abnehmbar an der Halteeinrichtung befestigt ist; und daß die Kontaktteile auf einem Finger (19) abgestützt sind, der auf einer Gleitschiene oder einem Läufer zur elektrischen Verbindung der Kontaktteile mit jeweils ausgewählten der langgestreckten Leiter von jeweils ausgewählten abnehmbaren Flügeln gleitend gelagert ist.
  16. Anlage nach einem der Ansprüche 13 bis 15, gekennzeichnet durch Federeinrichtungen zum Regulieren des Druckes, der von den Kontaktteilen gegen die langgestreckten Leiter ausgeübt wird.
  17. Anlage nach Anspruch 1, dadurch gekennzeichnet, daß die Antriebseinrichtung wenigstens eine zweite Schiene (23), die sich in Längsrichtung entlang der Halteeinrichtung parallel zu der vorbestimmten Bahn erstreckt, wenigstens ein Antriebsrad (21), das am Wagen gelagert ist und auf die zweite Schiene einwirkt, sowie eine Motoreinheit (25) innerhalb des Wagens aufweist, welche wenigstens ein Antriebsrad zur Bewegung längs der zweiten Schiene und dadurch zur Bewegung des Wagens und des Geräts längs der Halteeinrichtung antreibt.
  18. Anlage nach Anspruch 17, dadurch gekennzeichnet, daß wenigstens eine zweite Schiene und daß wenigstens ein Antriebsrad gezahnt sind.
  19. Anlage nach Anspruch 17 oder 18, dadurch gekennzeichnet, daß die Antriebseinrichtung eine Einrichtung (32) zum Regulieren des Druckes des wenigstens einen Antriebsrades gegen die wenigstens eine zweite Schiene aufweist.
  20. Anlage nach einem der Ansprüche 17 bis 19, dadurch gekennzeichnet, daß das wenigstens eine Antriebsrad aus einem mit einer Welle der Motoreinheit gekoppelten Antriebsrad und einem weiteren, frei drehbaren Antriebsrad besteht.
  21. Anlage nach einem der Ansprüche 1 bis 20, dadurch gekennzeichnet, daß der Wagen wenigstens eine Betätigungseinheit (28) zur Bewegung des Geräts bezüglich des Wagens trägt.
  22. Anlage nach Anspruch 21, dadurch gekennzeichnet, daß die Halteeinrichtung mit einem elektrischen Zuführsystem versehen ist, das mit Hauptleitungen verbindbar ist, wobei der Wagen Kontaktteile aufweist, die mit dem elektrischen Zuführsystem zur Zuführung von elektrischer Spannung zu der Betätigungseinheit elektrisch verbunden sind.
  23. Anlage nach Anspruch 22, dadurch gekennzeichnet, daß das elektrische Zuführsystem so angeschlossen ist, daß elektrische Spannung auch dem Gerät zugeführt wird.
  24. Anlage nach einem der Ansprüche 13 bis 15 oder 21 bis 22, dadurch gekennzeichnet, daß die Halteeinrichtung aus Gleisabschnitten (44 und 46) besteht, welche die Schienen bilden, und Gleiskoppeleinrichtungen (47) zum mechanischen Kuppeln gegeneinanderweisender Enden von benachbarten Gleisabschnitten und zum elektrischen Anschließen des elektrischen Zuführsystems zwischen den Gleisabschnitten aufweist, wobei die Gleiskupplungseinrichtungen elektrische Leistungsaufnahmeverbinder (48) zur Zuführung elektrischer Leistung zum elektrischen Zuführsystem aufweisen.
  25. Anlage nach einem der vorangehenden Ansprüche, dadurch gekennzeichnet, daß der Wagen elektrische Einrichtungen einschließlich der Antriebseinrichtung enthält, die durch abnehmbar im Wagen aufgenommene Batterien mit Leistung versorgt werden.
  26. Anlage nach einem der vorangehenden Ansprüche, dadurch gekennzeichnet, daß der Wagen elektrische Einrichtungen einschließlich der Antriebseinrichtung enthält, die mit einer Fernsteuerschaltung zum Steuern durch eine Fernsteuereinheit verbunden sind.
EP19910500146 1990-12-28 1991-12-18 Auf Schienen verschiebbarer Träger eines Apparates Expired - Lifetime EP0493297B1 (de)

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AR31876490 1990-12-28
AR318764 1990-12-28

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EP0493297A2 EP0493297A2 (de) 1992-07-01
EP0493297A3 EP0493297A3 (en) 1993-02-03
EP0493297B1 true EP0493297B1 (de) 1998-03-11

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE9300035L (sv) * 1993-01-08 1994-02-14 Arnesson Per O Lyftanordning för kontrollerad förflyttning i vertikalled av föremål, såsom ljuskronor
US5758867A (en) * 1993-01-08 1998-06-02 Arnesson; Per-Olof Lifting device for the controlled vertical transfer of objects
EP1066188B1 (de) * 1998-03-27 2003-05-21 Enrico Schneider Drehvorrichtung
KR20030060033A (ko) * 2002-01-05 2003-07-12 세원공업 주식회사 회전가변형 스튜디오 무대장치
FI9346U1 (fi) * 2011-05-27 2011-08-17 Dsign Space Alive Oy Järjestely tilan muuttamiseksi
IT201600083187A1 (it) * 2016-08-05 2018-02-05 Lym S R L Sistema di illuminazione
IT201700048930A1 (it) 2017-05-05 2018-11-05 Gambini Spa Gruppo incollatore di un lembo finale di un log, ribobinatrice recante tale gruppo e relativo metodo di incollatura.

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB530789A (en) * 1938-07-29 1940-12-20 Anciens Ets Barbier Improvements in devices for lighting operating rooms
US3680030A (en) * 1971-03-30 1972-07-25 Ernest E Johnson Electrical outlet trolley
FR2500909A1 (fr) * 1981-03-02 1982-09-03 Fives Cail Babcock Perfectionnements aux installations d'eclairage pour recherche et surveillance

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EP0493297A3 (en) 1993-02-03
ES2117002T3 (es) 1998-08-01
DE69129062D1 (de) 1998-04-16
DE69129062T2 (de) 1998-10-29
BR9105702A (pt) 1992-09-01
EP0493297A2 (de) 1992-07-01

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