(19)
(11)EP 3 019 355 B1

(12)EUROPEAN PATENT SPECIFICATION

(45)Mention of the grant of the patent:
04.11.2020 Bulletin 2020/45

(21)Application number: 14744646.2

(22)Date of filing:  19.06.2014
(51)International Patent Classification (IPC): 
B60D 1/36(2006.01)
B60D 1/24(2006.01)
B60D 1/62(2006.01)
(86)International application number:
PCT/NO2014/050105
(87)International publication number:
WO 2015/005795 (15.01.2015 Gazette  2015/02)

(54)

SYSTEM AND METHOD FOR CONNECTING OR DISCONNECTING A TRAILER TO A VEHICLE

SYSTEM UND VERFAHREN ZUM AN- ODER ABKUPPELN EINES ANHÄNGERS AN EIN ODER VON EINEM FAHRZEUG

SYSTÈME ET PROCÉDÉ POUR ATTACHER UNE REMORQUE À UN VÉHICULE OU POUR LA DÉTACHER DE CE DERNIER


(84)Designated Contracting States:
AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR

(30)Priority: 11.07.2013 NO 20130966

(43)Date of publication of application:
18.05.2016 Bulletin 2016/20

(73)Proprietor: Smart Patents AS
7058 Jakobsli (NO)

(72)Inventor:
  • STRAND, Dag Arild Aamodt
    N-7058 Jakobsli (NO)

(74)Representative: Curo AS 
Vestre Rosten 81
7075 Tiller
7075 Tiller (NO)


(56)References cited: : 
DE-A1-102010 004 920
US-A- 6 164 681
US-A1- 2004 021 291
US-A1- 2009 236 825
US-A- 6 000 709
US-A1- 2002 125 018
US-A1- 2006 290 100
  
      
    Note: Within nine months from the publication of the mention of the grant of the European patent, any person may give notice to the European Patent Office of opposition to the European patent granted. Notice of opposition shall be filed in a written reasoned statement. It shall not be deemed to have been filed until the opposition fee has been paid. (Art. 99(1) European Patent Convention).


    Description

    Technical field



    [0001] The present invention relates to a system and method for automatically connecting a trailer to a vehicle.

    Background of the invention



    [0002] Connecting a trailer to a vehicle can be a tiresome and needlessly difficult process. In addition to connecting the trailer to the tow bar of the vehicle, it is important to connect the power cord, disconnect the parking break and raise the support wheel, if the trailer has these features. Connecting smaller trailers to the vehicle can also be strenuous, since the user often has to lift the trailer on to the tow bar.

    [0003] US 20070007749 describes a coupling having a ball neck body pivoted around an axis between the operating and the rest positions. Rotation blocking bodies are placed in connection with an actuation mechanism, in order to direct the reaction forces perpendicular to the pivot axis.

    [0004] US 20050167945 describes a device which is designed as a ball member to be connected to a fastener located on the trailer. The vehicle has a tow bar mounted behind the rear bumper. The coupling comprises a container fitted to a component that uses a load bearing component and slides into a locked position by means of a spring supported locking element for attaching the device in a resting or working position.

    [0005] EP 1535765 describes a trailer coupling for motor vehicles which has a coupling arm with drive means acting on a rotary axis element through a rotational bearing. By means of a movement device, the mounting piece is pressed into a recess that holds the coupling to the connector housing in order to lock it therein. US 2009/0236825 A1, DE 10 2010 004 910 A1, US 2004/0021291 A1 disclose a system according to the preamble of claim 1.

    [0006] All these documents describe different solutions for a tow bar that can be hidden and retrieved when you need it. The problem with these solutions is that they only have an esthetic purpose. With these solutions it is not necessary to have the tow bar protruding out from behind the vehicle when it is not in use. The attaching of the trailer to the tow bar of the vehicle is not made any easier.

    Summary of the invention



    [0007] The purpose of the present invention, as described in the set of claims, is to solve the problems mentioned above. The invention discloses a system and method for automatically connecting a trailer to or from a vehicle.

    [0008] The solution describes a tow bar that can be hidden under a vehicle. When somebody wants to use a trailer, he or she positions the trailer and the vehicle within a working radius of each other. When the vehicle and the trailer are positioned correctly, the user activates the tow bar. According to one embodiment of the invention the tow bar moves out from underneath the vehicle. The tow bar can move in all directions and, furthermore, it can move until it connects with the trailer hitch. The design of the trailer hitch allows the tow bar to be guided into the fitting on the trailer.

    [0009] When the tow bar and the trailer hitch are connected, the link between the vehicle and the trailer will automatically be locked. The parking brakes on the trailer will automatically disconnect and the support wheel will be raised. Further, you can automatically connect a pneumatic system, safety wire and electric cable. The tow bar will then automatically center itself to the driving position.

    [0010] In a further embodiment, a wireless connection will provide communication between the vehicle and the trailer. The vehicle will then be able to send signals to the trailer telling it which lights should be activated.

    Brief description of the drawings



    [0011] 

    Figure 1 is a side view image of an embodiment of the invention wherein a vehicle 101 and a trailer 102 are positioned one after the other, but where the tow bar 201 is hidden underneath the vehicle 101.

    Figure 2 is a side view image of one embodiment of the invention wherein the tow bar 201 is activated and moves out from underneath the vehicle 101.

    Figure 3 is a side view image of one embodiment of the invention in which the trailer 102 is connected to the vehicle 101.

    Figure 4 is a perspective view of an embodiment of the present invention used on an articulated lorry.


    Detailed description



    [0012] Figure 1 is a side view image of an embodiment of the invention. To the far left of the drawing, the rear end of a vehicle 101 is shown. Behind the vehicle 101 there is located a trailer 102.

    [0013] Before activating the tow bar 201 the user must ensure that the trailer 102 and vehicle 101 are positioned within a working radius of each other. When the vehicle 101 and trailer 102 are positioned within the correct radius, one can activate the tow bar 201. In one embodiment of the invention, the trailer hitch 103 may advantageously have a conical collar around the opening of the connection point. This is in order to make it easier to guide the tow bar 201 into place. Further a magnet can help in guiding the tow bar 201 into place.

    [0014] The tow bar 201 is controlled by at least one motor. This at least one motor can be electric, pneumatic or hydraulic. The at least one motor can be controlled either automatically by sensors, by using a remote control or by using other means of control mounted directly on the at least one motor or inside the vehicle, e.g. a button placed close to the driver.

    [0015] A camera can be placed on the rear end of the car. The camera can film the area around the tow bar. This camera can be combined with a reversing camera. The image that the camera captures can be displayed on a screen inside the vehicle 101. The image displayed on the screen may have guiding lines. These guiding lines can aid in telling when the vehicle 101 and trailer 102 are positioned within the correct radius for connecting the trailer to the vehicle. The guide lines may be in the form of digitally constructed lines which are added to the images captured by the camera. Any other guiding devices could also be used.

    [0016] Figure 2 shows a side view image of one embodiment of the present invention wherein the tow bar 201 is activated and is on its way out from underneath the vehicle 101. When the tow bar 201 is not in use, it can be hidden underneath the vehicle 101. Upon activation of the tow bar 201, according to an embodiment of the present invention, it can be tilted downwards. This means that the back end of the tow bar is lowered. The tow bar can then be extended. Alternatively, either parts of, or the entire part of the tow bar 201 is moved backwards. Finally, the tow bar 201 is raised so that the hook and ball top point upward.

    [0017] Figure 3 shows a side view image of one embodiment of the present invention in which the trailer 102 is connected to the vehicle 101.

    [0018] According to one embodiment of the invention, the support wheel 104 of the trailer 102 is raised when the tow bar 201 is attached. This feature can also be applied to support pillars if the trailer has these.

    [0019] If the trailer 102 has parking brakes 105, these can be released automatically when the tow bar 201 is attached.

    [0020] When disconnecting the trailer 102 from the vehicle 101, the user deactivates the tow bar 201. The procedure mentioned under the description of figure 2 is then reversed and the tow bar 201 again can be hidden under the vehicle.

    [0021] During the disconnection process between the tow bar 201 and the trailer 102, the support wheel 104 or the support pillars of the trailer 102 are again lowered and the parking brakes 105 are activated if the trailer 102 has these features.

    [0022] As a further alternative, the transmission of the control signals for controlling the lights on the trailer can be transmitted wirelessly.

    [0023] Figure 4 is a perspective view of the present invention used on an articulated lorry. In this embodiment the pneumatic cables for the trailer brakes and the cables controlling the light signals between the vehicle and the trailer can be connected automatically.

    [0024] In an even further embodiment, the trailer hitch on the trailer 103 and/or the tow bar 201 can be magnetic. This makes it easier for the tow bar 201 to connect to the trailer hitch on the trailer 103.

    [0025] The tow bar 201 can be maneuvered in all three dimensions. This allows for an easier connection to the trailer. With this feature the tow bar 201 can connect to the trailer even if they are not perfectly aligned. When the tow bar and the trailer are connected, the tow bar 201 and the trailer 103 are centered automatically in order to make ready for driving.

    [0026] A further alternative is that in addition to linking the tow bar 201 and the trailer 103 together, the pneumatic cables for the trailer brakes can also be connected automatically. One can also connect the cables controlling the light signals between the vehicle and the trailer automatically. One can imagine that the coupling itself is spring-loaded and/or moving to ease the connection.

    [0027] An additional action that may be made easier by the present invention is the connecting of the safety chains or security bolts. When connecting trailers to larger vehicles, such as a truck or a dumper truck, one can make use of an automatic triggering of the safety pin when the trailer and the truck or dumper truck are properly connected. A possible solution for this is to have a switch mounted on the link that is only activated when the trailer and the truck or dumper truck are properly connected. Alternatively, this can be controlled from the cabin.

    [0028] For connection between regular cars and trailers with brakes, it is common to use a safety chain. The connection of this safety chain can also be done automatically. One solution could be using a safety chain that is attached to the trailer and is dropped down when the tow bar/trailer hitch are connected.

    [0029] When the trailer and the vehicle are connected properly, a confirmation in the form of an audible tone, a light signal or both can be given.

    [0030] A further safety feature is that the tow bar will automatically return to its original position when disconnecting the trailer.

    [0031] One can also imagine that there is a reversing sensor, rangefinder or a camera attached to the trailer which is activated automatically when connecting the trailer to the vehicle. If so, this will imply that reversing sensors, rangefinder or camera found on the vehicle automatically are disabled when connected to the trailer.

    [0032] The camera found on the trailer is automatically activated during reversing when the trailer is connected to the vehicle.

    [0033] It would also be appropriate to consider a form of notification if there is a faulty link between the vehicle and the trailer. This could be given in the form of an audible alarm, a light signal or both.

    [0034] By coupling between trailers of larger type, and a truck or a dumper truck, it would be natural to imagine a system having an automatic rising of the pillars of the trailer.

    [0035] The present invention in not restricted to a specific tow bar solution, but can be used for all types of couplings between tow bars and trailers. The system can be used on both a premounted tow bar and a retrofitted tow bar.

    [0036] All signals and communication in this system can either be wireless or wired.


    Claims

    1. System for connecting or disconnecting a trailer (102) to a vehicle (101), wherein a tow bar (201) is mounted to the vehicle (101) at rear part thereof, and wherein the trailer (102) is provided with a trailer hitch (103), characterized in that
    the tow bar (201) is maneuverable in all three dimensions and is controlled by at least one electric, pneumatic or hydraulic motor mounted in connection with the tow bar (201),
    the at least one motor is controlled either automatically by sensors, by a remote control or by other means of control mounted directly on the at least one motor or inside the vehicle,
    wherein the tow bar (201), when the tow bar (201) and trailer hitch (103) are positioned within a predetermined radius of one another, at activation, is automatically connecting to the trailer hitch (103) of the trailer (102), even if they are not perfectly aligned, and when the tow bar (201) and trailer (102) are connected, the tow bar (201) and trailer (102) are centered automatically for driving.
     
    2. System according to claim 1, wherein said predetermined radius is determined by a device for assessing the distance between said vehicle (101) and said trailer hitch mounted on the trailer (102).
     
    3. System according to claim 2, wherein said device for assessing the distance between said vehicle (101) and said trailer hitch (103) mounted on the trailer (102) are one or more proximity sensors.
     
    4. System according to claim 2, wherein said device for assessing the distance between said vehicle (101) and said trailer hitch (103) mounted on the trailer (102) is a camera mounted on a rear end of said vehicle (101).
     
    5. System according to claim 4, wherein said camera is operable to transmit video images to a monitor mounted within the vehicle (101) and on said images there are displayed guide lines.
     
    6. System according to claim 1, wherein an opening of the trailer hitch (103) mounted on the trailer (102) is conical.
     
    7. System according to claim 1, wherein the trailer hitch (103) mounted on the trailer (102) is provided with a magnet.
     
    8. System according to claim 1, wherein the vehicle (101) is operable to automatically maneuver itself to a correct predetermined working radius for the tow bar (201).
     
    9. System according to claim 1, wherein the system is activated or deactivated via voice control, touch screen or remote control.
     
    10. System according to claim 1, wherein the system comprising an interlock, wherein the interlock is operable to prevent the activation or deactivation of the system during operation of the vehicle at speed.
     
    11. System according to claim 1, wherein the tow bar (201) or the trailer hitch (103) mounted on the trailer (102), or both, are resilient.
     
    12. Method for automatically connecting or disconnecting a trailer (102) comprising a trailer hitch (103) to a vehicle (101) comprising a tow bar (201) mounted at rear part of the vehicle (101), wherein the tow bar (201) is maneuverable in all three dimensions and is controlled by at least one electric, pneumatic or hydraulic motor mounted in connection with the tow bar (201), and the at least one motor is controlled either automatically by sensors, by a remote control or by other means of control mounted directly on the at least one motor or inside the vehicle, wherein the method comprises:

    - positioning the vehicle (101) and thus the tow bar (201) at rear part thereof within a predetermined radius of the tow bar (201) and trailer hitch (103) by means of a device evaluating the distance between said vehicle (101) and thus tow bar (201) and said trailer hitch (103) mounted on the trailer (102),

    - when the tow bar (201) and trailer hitch (103) are positioned within the predetermined radius, at activation, said device gives a signal to the at least one motor to activate the tow bar (201) to automatically connect to the trailer hitch (103) of the trailer (102), even if they are not perfectly aligned, and

    - when the tow bar (201) and trailer hitch (103) are connected, automatically centering the tow bar (201) and trailer (102) for a driving.


     
    13. Method according to claim 12, wherein:

    - automatically releasing a parking brake (105) on the trailer (102) when the tow bar (201) and trailer hitch (103) are connected,

    - automatically raising a support wheel (104) on the trailer (102) when the tow bar (201) and trailer hitch (103) are connected,

    - automatically connecting cables between the vehicle (101) and the trailer (102) providing control of light signals on the trailer (102).


     


    Ansprüche

    1. System zum Verbinden oder Trennen eines Anhängers (102) mit einem Fahrzeug (101), wobei eine Abschleppstange (201) an dem Fahrzeug (101) an einem hinteren Teil davon angebracht ist, und wobei der Anhänger (102) mit einer Anhängerkupplung (103) versehen ist, dadurch gekennzeichnet, dass
    die Abschleppstange (201) in allen drei Dimensionen wendig ist und durch wenigstens einen elektrischen, pneumatischen oder hydraulischen Motor, der in Verbindung mit der Abschleppstange (201) angebracht ist, gesteuert wird,
    der wenigstens eine Motor entweder automatisch durch Sensoren, durch eine Fernsteuerung oder durch andere Steuermittel, die direkt an dem wenigstens einen Motor oder im Inneren des Fahrzeugs angebracht sind, gesteuert wird,
    wobei die Abschleppstange (201), wenn die Abschleppstange (201) und die Anhängerkupplung (103) innerhalb eines zuvor bestimmten Radius voneinander positioniert werden, bei Aktivierung mit der Anhängerkupplung (103) des Anhängers (102) automatisch verbunden wird, sogar falls sie nicht perfekt ausgerichtet sind, und wenn die Abschleppstange (201) und der Anhänger (102) verbunden werden, die Abschleppstange (201) und der Anhänger (102) zum Fahren automatisch zentriert werden.
     
    2. System nach Anspruch 1, wobei der zuvor bestimmte Radius durch eine Vorrichtung zum Bewerten des Abstands zwischen dem Fahrzeug (101) und der Anhängerkupplung, die an dem Anhänger (102) angebracht ist, bestimmt wird.
     
    3. System nach Anspruch 2, wobei die Vorrichtung zum Bewerten des Abstands zwischen dem Fahrzeug (101) und der Anhängerkupplung (103), die an dem Anhänger (102) angebracht ist, ein oder mehrere Näherungssensoren sind.
     
    4. System nach Anspruch 2, wobei die Vorrichtung zum Bewerten des Abstands zwischen dem Fahrzeug (101) und der Anhängerkupplung (103), die an dem Anhänger (102) angebracht ist, eine Kamera, die an einem hinteren Ende des Fahrzeugs (101) angebracht ist, ist.
     
    5. System nach Anspruch 4, wobei die Kamera betriebsfähig ist, um Videobilder an einen Monitor, der innerhalb des Fahrzeugs (101) angebracht ist, zu übertragen, und auf den Bildern Führungslinien angezeigt werden.
     
    6. System nach Anspruch 1, wobei eine Öffnung der Anhängerkupplung (103), die an dem Anhänger (102) angebracht ist, konisch ist.
     
    7. System nach Anspruch 1, wobei die Anhängerkupplung (103), die an dem Anhänger (102) angebracht ist, mit einem Magneten versehen ist.
     
    8. System nach Anspruch 1, wobei das Fahrzeug (101) betriebsfähig ist, um sich auf einen korrekten zuvor bestimmten Arbeitsradius für die Abschleppstange (201) automatisch zu wenden.
     
    9. System nach Anspruch 1, wobei das System über Sprachsteuerung, Berührungsbildschirm oder Fernsteuerung aktiviert oder deaktiviert wird.
     
    10. System nach Anspruch 1, wobei das System eine Verriegelung umfasst, wobei die Verriegelung betriebsfähig ist, um die Aktivierung oder die Deaktivierung des Systems während des Betriebs des Fahrzeugs mit Geschwindigkeit zu verhindern.
     
    11. System nach Anspruch 1, wobei die Abschleppstange (201) oder die Anhängerkupplung (103), die an dem Anhänger (102) angebracht ist, oder beide elastisch sind.
     
    12. Verfahren zum automatischen Verbinden oder Trennen eines Anhängers (102), der eine Anhängerkupplung (103) umfasst, mit einem Fahrzeug (101), das eine Abschleppstange (201), die an dem hinteren Teil des Fahrzeugs (101) angebracht ist, umfasst, wobei die Abschleppstange (201) in allen drei Dimensionen wendig ist und durch wenigstens einen elektrischen, pneumatischen oder hydraulischen Motor, der in Verbindung mit der Abschleppstange (201) angebracht ist, gesteuert wird und der wenigstens eine Motor entweder automatisch durch Sensoren, durch eine Fernsteuerung oder durch andere Steuermittel, die direkt an dem wenigstens einen Motor oder im Inneren des Fahrzeugs angebracht sind, gesteuert wird, wobei das Verfahren Folgendes umfasst:

    - Positionieren des Fahrzeugs (101) und somit der Abschleppstange (201) an dem hinteren Teil davon innerhalb eines zuvor bestimmten Radius der Abschleppstange (201) und der Anhängerkupplung (103) mittels einer Vorrichtung, die den Abstand zwischen dem Fahrzeug (101) und somit der Abschleppstange (201) und der Anhängerkupplung (103), die an dem Anhänger (102) angebracht ist, beurteilt,

    - wobei, wenn die Abschleppstange (201) und die Anhängerkupplung (103) innerhalb des zuvor bestimmten Radius positioniert sind, bei Aktivierung die Vorrichtung dem wenigstens einen Motor ein Signal gibt, um die Abschleppstange (201) zu aktivieren, um sich mit der Anhängerkupplung (103) des Anhängers (102) automatisch zu verbinden, sogar falls sie nicht perfekt ausgerichtet sind, und

    - wenn die Abschleppstange (201) und die Anhängerkupplung (103) verbunden sind, automatisches Zentrieren der Abschleppstange (201) und des Anhängers (102) zum Fahren.


     
    13. Verfahren nach Anspruch 12, wobei:

    - automatisches Lösen einer Feststellbremse (105) an dem Anhänger (102), wenn die Abschleppstange (201) und die Anhängerkupplung (103) verbunden werden,

    - automatisches Anheben eines Stützrads (104) an dem Anhänger (102), wenn die Abschleppstange (201) und die Anhängerkupplung (103) verbunden werden,

    - automatisches Verbinden von Kabeln zwischen dem Fahrzeug (101) und dem Anhänger (102), die dem Anhänger (102) eine Steuerung von Lichtsignalen bereitstellen.


     


    Revendications

    1. Système permettant de relier ou de détacher une remorque (102) à un véhicule (101), dans lequel une barre de remorquage (201) est montée sur le véhicule (101) au niveau de sa partie arrière, et dans lequel la remorque (102) est pourvue d'un attelage de remorque (103), caractérisé en ce que
    la barre de remorquage (201) est manœuvrable dans les trois dimensions et est commandée par au moins un moteur électrique, pneumatique ou hydraulique monté en liaison avec la barre de remorquage (201),
    l'au moins un moteur est commandé soit automatiquement par des capteurs, soit par une télécommande soit par d'autres moyens de commande montés directement sur l'au moins un moteur ou à l'intérieur du véhicule,
    dans lequel la barre de remorquage (201), lorsque la barre de remorquage (201) et l'attelage de remorque (103) sont positionnés dans un rayon prédéterminé l'un de l'autre, lors de l'activation, est reliée automatiquement à l'attelage de remorque (103) de la remorque (102), même s'ils ne sont pas parfaitement alignés, et lorsque la barre de remorquage (201) et la remorque (102) sont reliées, la barre de remorquage (201) et la remorque (102) sont automatiquement centrées pour la conduite.
     
    2. Système selon la revendication 1, dans lequel ledit rayon prédéterminé est déterminé par un dispositif d'évaluation de la distance entre ledit véhicule (101) et ledit attelage de remorque monté sur la remorque (102).
     
    3. Système selon la revendication 2, dans lequel ledit dispositif d'évaluation de la distance entre ledit véhicule (101) et ledit attelage de remorque (103) monté sur la remorque (102) est un ou plusieurs capteur(s) de proximité.
     
    4. Système selon la revendication 2, dans lequel ledit dispositif d'évaluation de la distance entre ledit véhicule (101) et ledit attelage de remorque (103) monté sur la remorque (102) est une caméra montée sur une extrémité arrière dudit véhicule (101).
     
    5. Système selon la revendication 4, dans lequel ladite caméra peut fonctionner pour transmettre des images vidéo à un moniteur monté à l'intérieur du véhicule (101) et sur lesdites images sont affichées des lignes de guidage.
     
    6. Système selon la revendication 1, dans lequel une ouverture de l'attelage de remorque (103) monté sur la remorque (102) est conique.
     
    7. Système selon la revendication 1, dans lequel l'attelage de remorque (103) monté sur la remorque (102) est pourvu d'un aimant.
     
    8. Système selon la revendication 1, dans lequel le véhicule (101) peut fonctionner pour se manœuvrer automatiquement à un rayon de travail correct prédéterminé pour la barre de remorquage (201).
     
    9. Système selon la revendication 1, dans lequel le système est activé ou désactivé par le biais d'une commande vocale, d'un écran tactile ou d'une télécommande.
     
    10. Système selon la revendication 1, dans lequel le système comprend un dispositif de verrouillage, dans lequel le dispositif de verrouillage peut fonctionner pour empêcher l'activation ou la désactivation du système lorsque le véhicule se déplace à un régime soutenu.
     
    11. Système selon la revendication 1, dans lequel la barre de remorquage (201) ou l'attelage de remorque (103) monté sur la remorque (102), ou les deux, sont élastiques.
     
    12. Procédé permettant de relier ou de détacher automatiquement une remorque (102) comprenant un attelage de remorque (103) à un véhicule (101) comprenant une barre de remorquage (201) montée à la partie arrière du véhicule (101), dans lequel la barre de remorquage (201) est manœuvrable dans les trois dimensions et est commandé par au moins un moteur électrique, pneumatique ou hydraulique monté en liaison avec la barre de remorquage (201), et l'au moins un moteur est commandé soit automatiquement par des capteurs, soit par une télécommande, soit par d'autres moyens de commande montés directement sur l'au moins un moteur ou à l'intérieur du véhicule, dans lequel le procédé comprend :

    - le positionnement du véhicule (101) et ainsi de la barre de remorquage (201) à sa partie arrière dans un rayon prédéterminé de la barre de remorquage (201) et de l'attelage de remorque (103) au moyen d'un dispositif d'évaluation de la distance entre ledit véhicule (101) et ainsi la barre de remorquage (201) et ledit attelage de remorque (103) monté sur la remorque (102),

    - lorsque la barre de remorquage (201) et l'attelage de remorque (103) sont positionnés dans le rayon prédéterminé, à l'activation, ledit dispositif donne un signal à l'au moins un moteur pour activer la barre de remorquage (201) afin de se relier automatiquement à l'attelage de remorque (103) de la remorque (102), même s'ils ne sont pas parfaitement alignés, et

    - lorsque la barre de remorquage (201) et l'attelage de remorque (103) sont reliés, le centrage automatique de la barre de remorquage (201) et de la remorque (102) pour une conduite.


     
    13. Procédé selon la revendication 12, dans lequel :

    - un frein de stationnement (105) est libéré automatiquement sur la remorque (102) lorsque la barre de remorquage (201) et l'attelage de remorque (103) sont reliés,

    - une roue d'appui est levée automatiquement (104) sur la remorque (102) lorsque la barre de remorquage (201) et l'attelage de remorque (103) sont reliés,

    - des câbles sont reliés automatiquement entre le véhicule (101) et la remorque (102) assurant la commande de signaux lumineux sur la remorque (102).


     




    Drawing

















    Cited references

    REFERENCES CITED IN THE DESCRIPTION



    This list of references cited by the applicant is for the reader's convenience only. It does not form part of the European patent document. Even though great care has been taken in compiling the references, errors or omissions cannot be excluded and the EPO disclaims all liability in this regard.

    Patent documents cited in the description