EP3218564B1 - Abutment device of an openable body section of a motor-vehicle luggage compartment - Google Patents

Abutment device of an openable body section of a motor-vehicle luggage compartment Download PDF

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Publication number
EP3218564B1
EP3218564B1 EP15788150.9A EP15788150A EP3218564B1 EP 3218564 B1 EP3218564 B1 EP 3218564B1 EP 15788150 A EP15788150 A EP 15788150A EP 3218564 B1 EP3218564 B1 EP 3218564B1
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EP
European Patent Office
Prior art keywords
abutment
opening
base
body section
support
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
EP15788150.9A
Other languages
German (de)
French (fr)
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EP3218564A1 (en
Inventor
Abdelhalim ZAINANE
Philippe Lacroix
Alexis Rajon
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
PSA Automobiles SA
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PSA Automobiles SA
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Filing date
Publication date
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Publication of EP3218564A1 publication Critical patent/EP3218564A1/en
Application granted granted Critical
Publication of EP3218564B1 publication Critical patent/EP3218564B1/en
Active legal-status Critical Current
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Classifications

    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05F—DEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION; CHECKS FOR WINGS; WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THE FUNCTIONING OF THE WING
    • E05F1/00—Closers or openers for wings, not otherwise provided for in this subclass
    • E05F1/08—Closers or openers for wings, not otherwise provided for in this subclass spring-actuated, e.g. for horizontally sliding wings
    • E05F1/10—Closers or openers for wings, not otherwise provided for in this subclass spring-actuated, e.g. for horizontally sliding wings for swinging wings, e.g. counterbalance
    • E05F1/1091—Closers or openers for wings, not otherwise provided for in this subclass spring-actuated, e.g. for horizontally sliding wings for swinging wings, e.g. counterbalance with a gas spring
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05F—DEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION; CHECKS FOR WINGS; WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THE FUNCTIONING OF THE WING
    • E05F5/00—Braking devices, e.g. checks; Stops; Buffers
    • E05F5/02—Braking devices, e.g. checks; Stops; Buffers specially for preventing the slamming of swinging wings during final closing movement, e.g. jamb stops
    • E05F5/022—Braking devices, e.g. checks; Stops; Buffers specially for preventing the slamming of swinging wings during final closing movement, e.g. jamb stops specially adapted for vehicles, e.g. for hoods or trunks
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES E05D AND E05F, RELATING TO CONSTRUCTION ELEMENTS, ELECTRIC CONTROL, POWER SUPPLY, POWER SIGNAL OR TRANSMISSION, USER INTERFACES, MOUNTING OR COUPLING, DETAILS, ACCESSORIES, AUXILIARY OPERATIONS NOT OTHERWISE PROVIDED FOR, APPLICATION THEREOF
    • E05Y2600/00—Mounting or coupling arrangements for elements provided for in this subclass
    • E05Y2600/50—Mounting methods; Positioning
    • E05Y2600/56—Positioning, e.g. re-positioning, or pre-mounting
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES E05D AND E05F, RELATING TO CONSTRUCTION ELEMENTS, ELECTRIC CONTROL, POWER SUPPLY, POWER SIGNAL OR TRANSMISSION, USER INTERFACES, MOUNTING OR COUPLING, DETAILS, ACCESSORIES, AUXILIARY OPERATIONS NOT OTHERWISE PROVIDED FOR, APPLICATION THEREOF
    • E05Y2600/00—Mounting or coupling arrangements for elements provided for in this subclass
    • E05Y2600/60—Mounting or coupling members; Accessories therefor
    • E05Y2600/626—Plates or brackets
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES E05D AND E05F, RELATING TO CONSTRUCTION ELEMENTS, ELECTRIC CONTROL, POWER SUPPLY, POWER SIGNAL OR TRANSMISSION, USER INTERFACES, MOUNTING OR COUPLING, DETAILS, ACCESSORIES, AUXILIARY OPERATIONS NOT OTHERWISE PROVIDED FOR, APPLICATION THEREOF
    • E05Y2800/00—Details, accessories and auxiliary operations not otherwise provided for
    • E05Y2800/26—Form or shape
    • E05Y2800/29—Form or shape forming a unitary piece with another element
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES E05D AND E05F, RELATING TO CONSTRUCTION ELEMENTS, ELECTRIC CONTROL, POWER SUPPLY, POWER SIGNAL OR TRANSMISSION, USER INTERFACES, MOUNTING OR COUPLING, DETAILS, ACCESSORIES, AUXILIARY OPERATIONS NOT OTHERWISE PROVIDED FOR, APPLICATION THEREOF
    • E05Y2800/00—Details, accessories and auxiliary operations not otherwise provided for
    • E05Y2800/67—Materials; Strength alteration thereof
    • E05Y2800/68—Combinations of materials creating distinct article parts
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES E05D AND E05F, RELATING TO CONSTRUCTION ELEMENTS, ELECTRIC CONTROL, POWER SUPPLY, POWER SIGNAL OR TRANSMISSION, USER INTERFACES, MOUNTING OR COUPLING, DETAILS, ACCESSORIES, AUXILIARY OPERATIONS NOT OTHERWISE PROVIDED FOR, APPLICATION THEREOF
    • E05Y2800/00—Details, accessories and auxiliary operations not otherwise provided for
    • E05Y2800/73—Multiple functions

Definitions

  • the invention relates to the field of trunk openings of motor vehicles and more particularly to their holding in position and their damping during their use.
  • a boot lid is hinged relative to the vehicle body by means of hinges between a closed position in which the door prevents access to the trunk of the vehicle and an open position in which the door is removed from its closed position and allows access to the trunk of the vehicle.
  • the hinges are placed in the upper part of the opening so that the opening describes a circular arc upwards when it opens, and an arc of a circle towards the down when it is closed.
  • the vehicle includes balancers (advantageously gas cylinders), generally two each placed on one side of the opening and pivotally mounted each relative to the vehicle body and relative to a lower portion of the opening.
  • the balancers exert a thrust force on the opening so that when opening, the balancers unfold to raise the opening and when closing, the balancers tend to fold to maintain the opening in the closed position .
  • the opening trunk of motor vehicles are, in general, made of sheet metal, formed for example by stamping.
  • the sheet metal openings have certain advantages such as their robustness as well as their ease of manufacture. However, these openings have a weight that goes against the trend followed by vehicle manufacturers to reduce the weight of vehicles so as to make them more energy efficient and, therefore, less polluting.
  • lightweight boot openings made from composite materials. These lightweight openings include a frame that is facing inside the vehicle, and an outer skin forming with the rest of the body the general line of the vehicle.
  • Composite materials for example polypropylene filled with glass fibers, can be subject to significant deformations.
  • the ambient heat can, in combination with the forces exerted by the balancers, deform the opening so that it no longer completely prevents access to the trunk, causing for example a problem of tightness of the vehicle.
  • the opening and / or the body is (are) equipped with stops forming a spacer between the box and the opening.
  • stops forming a spacer between the box and the opening.
  • the main objective is to propose a way to limit or even eliminate the impact of thermal and mechanical stresses on a trunk lid of a motor vehicle.
  • this means is easy and inexpensive to manufacture.
  • this means is simple to install and use.
  • the stop device makes it possible to limit, or even eliminate, the collapse of the boot opening in a vertical direction, that is to say in a direction substantially perpendicular to a plane on which the vehicle rests.
  • the opening is made of a composite material, in particular polypropylene filled with fiberglass.
  • a vehicle 1 comprising a body and a boot 2 of trunk, composite material, for example polypropylene filled with glass fibers, pivotally mounted relative to the body by means of hinges 3.
  • the opening 2 is movable between a position closed (represented figure 1 and in solid lines on the figure 6 ) in which the opening 2 prevents access to the trunk and an open position (dashed on the figure 6 ) in which the opening 2 is removed from its closed position and allows access to the trunk of the vehicle 1.
  • the vehicle 1 also comprises a device 4 for abutment of the boot 2 opening.
  • the device 4 comprises a support 5, an axis 6 and a stop 7.
  • the support 5, shown in perspective on the figure 5 comprises a sole 8 adapted to come into contact with a structural element 9 of the body of the vehicle 1, this sole 8 being provided with a bore 10 and an oblong opening 11 to allow the passage of fasteners (not shown) such as screws or rivets.
  • the support 5 also comprises a core 12 substantially perpendicular to the sole 8 and provided with a hole 13 and a slot 14 whose functions will be explained hereinafter, as well as a reinforcing boss 15, at the junction between the soul 12 and the sole 8.
  • the core 12 of the support 5 comprises a notch 16 in which the stop 7 is received as will be seen below.
  • the support 5 is monobloc and is made by folding a sheet metal material, and the boss 15 is made by stamping this sheet.
  • the support 5 could be derived from the assembly of a core and a sole made independently of one another, and the reinforcing boss 15 could be made by welding a strut or gusset.
  • the axis 6, particularly visible in the perspective view of the figure 4 is a single piece which comprises a ball 17, a neck 18, a nut 19, a washer 20 and a threaded rod 21, the ball 17, the neck 18, the nut 19, the washer 20 and the threaded rod 21 being collinear along a line 22 of extension.
  • the nut 19 is rotated relative to the extension line 22, the entire axis 6 is rotated.
  • the figure 3 represents the stop 7 of the stop device 4.
  • This abutment 7 comprises a metal frame 23, a fastening means 24 and a polymer part overmolded on the metal frame 23.
  • the piece 25 is for example elastomer.
  • the metal armature 23 comprises a base 26 and a lug 27 extending the base 26. According to the embodiment shown in the figures, the metal armature 23 comprises on its lug 27, at an end opposite the base 26, a lug 28 projecting substantially perpendicular to the leg 27.
  • the tab 27 forms, in the same plane, with the base 26, an obtuse angle A between 100 ° and 140 ° and, preferably, about 120 °.
  • the fixing means 24 is a threaded ring integral with the metal frame 23.
  • the fastening means 24 passes through the metal frame 23, substantially at the junction between the base 26 and the lug 27, so as to be flush with a front face 29 of the metal frame 23, on the one hand, and protruding from the metal frame 23 in a direction opposite to the pin 28 on the other hand.
  • the polymer part comprises a body 30 and a buffer 31.
  • the body 30 is overmoulded on the base 26 and partially on the lug 27 of the metal frame 23 and extends on one side of the frame 23 metal, ie from the front face 29 in the opposite direction to the lug 28.
  • the abutment surface 32 is curved to facilitate engagement of the abutment 7 with the boot opening 2 as will be explained hereinafter.
  • the stop device 4 is assembled as follows.
  • the support 5 is mounted on the structural element 9, by contact between the sole 8 and the structural element 9, and then secured to the latter by means of the fastening elements passing through the bore 10 and the oblong opening 11.
  • the abutment 7 Prior to the fixing of the support 5 or after its fixing, the abutment 7 is mounted on the support 5. For this, the buffer 31 is housed in the notch 16 of the support, the fastening means 24 is aligned with the hole 13 of the core 12 and the lug 28 is housed in the slot 14 of the core 12.
  • the assembly is then completed by the fastening of the abutment 7 on the support 5 by means of the axis 6. More precisely, the threaded rod 21 of the shaft 6 comes into helical engagement with the threaded ring sandwiching it. core 12 of the support 5. The tightening of the shaft 6 via the nut 19 then ensures the maintenance of the stop 7 on the support 5.
  • the tightening is carried out at a torque of between 15 Nm and 25 Nm and, preferably, at a torque of 20 Nm.
  • the stop device 4 also comprises at least one balancer 33 pivotally mounted relative to the 6 axis on the one hand and with respect to the opening 2 on the other.
  • the balancer 33 is in this case a gas cylinder or spring which comprises a shaft 34 and a rod 35 slidably mounted relative to the shaft 34, the shaft 34 being pivotally mounted on the ball joint 17 of the axis 6 and the rod 35 being pivotally mounted on the opening 2.
  • the balancer 33 exerts a mechanical stress on the boot opening 2 so as to push the latter downwards, that is to say in a direction opposite to the Z axis which is perpendicular to the general laying plane of the vehicle 1.
  • This mechanical stress will tend to deform the opening 2 which allows can cause for example a sealing problem, especially with water.
  • the mechanical stress exerted by the balancer 33 tends to deform the opening 2 when it is in the closed position.
  • the abutment 7 of the abutment device 4 then comes to be housed in an abutment, in this case a housing 36 made on the opening 2. More particularly, the abutment surface 32 of the polymer part bears against a upper surface 37 of housing 36. As seen on the figure 6 , the housing 36 is placed at a short distance from the hinges 3.
  • the buffer 31 deforms slightly but exerts a force opposite to that generated by the balancer 33, which limits the deformation of the opening 2.
  • the opening 2 remains in the closed position sealing the vehicle 1.
  • the upper surface 37 of the housing 36 rubs on the abutment surface 32 of the abutment 7.
  • the curved shape of the abutment surface 32 then makes it easier to contact of the stop 7 with the housing 36 of the opening 2 and limits the risk of premature wear of the stop 7.
  • the abutment device 4, and its abutment 7, described above, have the advantages expressed below.
  • the stop device 4 makes it possible to limit or even eliminate the deformation of the boot opening 2, the abutment 7 exerting, on the opening 2, a force opposed to the mechanical stress exerted by the balancer 33, and possibly the combination of this mechanical stress with a thermal stress due to the ambient temperature.
  • the stop device 4 is simple and inexpensive to manufacture. Indeed, the support 5, the abutment 7 and the axis 6 can be manufactured independently of each other by stamping, molding and / or overmolding.
  • the device 4 is simple to install and use.
  • the installation is done during the assembly of the vehicle 1 and requires, for an operator, the use of keys, for example flat wrenches, in order to tighten the axis 6 or the fastening elements of the support 5 on the element 9 of the vehicle structure 1.
  • keys for example flat wrenches
  • it is almost undetectable for the user of the vehicle 1 which does not have to maneuver the abutment 7, nor to achieve a positioning force of the opening 2 relative the device 4 stop, only the help provided by the balancer 33 is felt by the user.

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  • Superstructure Of Vehicle (AREA)

Description

L'invention a trait au domaine des ouvrants de coffre des véhicules automobiles et plus particulièrement à leur maintien en position et à leur amortissement lors de leur utilisation.The invention relates to the field of trunk openings of motor vehicles and more particularly to their holding in position and their damping during their use.

Un ouvrant de coffre est articulé par rapport à la caisse du véhicule au moyen de charnières entre une position fermée dans laquelle l'ouvrant empêche l'accès au coffre du véhicule et une position ouverte dans laquelle l'ouvrant est écarté de sa position fermée et permet un accès au coffre du véhicule.A boot lid is hinged relative to the vehicle body by means of hinges between a closed position in which the door prevents access to the trunk of the vehicle and an open position in which the door is removed from its closed position and allows access to the trunk of the vehicle.

Sur les véhicules de types compacts ou berlines comportant un hayon, les charnières sont placées en partie supérieure de l'ouvrant de telle sorte que l'ouvrant décrit un arc de cercle vers le haut lors de son ouverture, et un arc de cercle vers le bas lors de sa fermeture.On vehicles of compact or hatchback type, the hinges are placed in the upper part of the opening so that the opening describes a circular arc upwards when it opens, and an arc of a circle towards the down when it is closed.

Afin d'aider une personne lors de l'ouverture et de la fermeture de l'ouvrant, d'une part, et de maintenir l'ouvrant dans sa position fermée ou ouverte, d'autre part, le véhicule comprend des équilibreurs (avantageusement des vérins à gaz), généralement deux placés chacun d'un côté de l'ouvrant et montés pivotants chacun par rapport à la caisse du véhicule et par rapport à une partie inférieure de l'ouvrant. Les équilibreurs exercent un effort de poussée sur l'ouvrant de sorte que lors de l'ouverture, les équilibreurs se déplient pour faire monter l'ouvrant et lors de la fermeture, les équilibreurs tendent à se replier pour maintenir l'ouvrant en position fermée.In order to help a person when opening and closing the opening, on the one hand, and to maintain the opening in its closed or open position, on the other hand, the vehicle includes balancers (advantageously gas cylinders), generally two each placed on one side of the opening and pivotally mounted each relative to the vehicle body and relative to a lower portion of the opening. The balancers exert a thrust force on the opening so that when opening, the balancers unfold to raise the opening and when closing, the balancers tend to fold to maintain the opening in the closed position .

Les ouvrants de coffre des véhicules automobiles sont, de manière générale, réalisés en tôle métallique, formée par exemple par emboutissage.The opening trunk of motor vehicles are, in general, made of sheet metal, formed for example by stamping.

Les ouvrants en tôle présentent certains avantages tels que leur robustesse ainsi que leur facilité de fabrication. Toutefois, ces ouvrants ont un poids qui va à l'encontre de la tendance suivie par les constructeurs automobiles de réduction du poids des véhicules de sorte à les rendre moins énergivores et, par conséquent, moins polluants.The sheet metal openings have certain advantages such as their robustness as well as their ease of manufacture. However, these openings have a weight that goes against the trend followed by vehicle manufacturers to reduce the weight of vehicles so as to make them more energy efficient and, therefore, less polluting.

Ainsi, les constructeurs automobiles développent-ils des ouvrants de coffre légers réalisés à partir de matériaux composites. Ces ouvrants légers comprennent une ossature qui est tournée vers l'intérieur du véhicule, et une peau extérieure formant avec le reste de la carrosserie la ligne générale du véhicule.As a result, automakers are developing lightweight boot openings made from composite materials. These lightweight openings include a frame that is facing inside the vehicle, and an outer skin forming with the rest of the body the general line of the vehicle.

Les matériaux composites, par exemple polypropylène chargé de fibres de verre, peuvent être sujets à des déformations significatives. La chaleur ambiante peut, en combinaison avec les efforts exercés par les équilibreurs, déformer l'ouvrant de sorte que celui-ci n'empêche plus totalement l'accès au coffre, engendrant par exemple un problème d'étanchéité du véhicule.Composite materials, for example polypropylene filled with glass fibers, can be subject to significant deformations. The ambient heat can, in combination with the forces exerted by the balancers, deform the opening so that it no longer completely prevents access to the trunk, causing for example a problem of tightness of the vehicle.

Afin de limiter l'enfoncement de l'ouvrant dans la caisse du véhicule, selon une direction parallèle à la direction générale de déplacement du véhicule, l'ouvrant et/ou la caisse est (sont) équipé(s) de butées formant une entretoise entre la caisse et l'ouvrant. On peut, par exemple, se référer au brevet FR 2 996 202 qui décrit un ensemble comprenant une butée destinée à être fixée sur l'ouvrant de coffre d'un véhicule automobile, et une contrebutée destinée à être fixée à l'arrière de la caisse du véhicule pour servir d'appui pour ladite butée.In order to limit the depression of the opening in the vehicle body, in a direction parallel to the general direction of movement of the vehicle, the opening and / or the body is (are) equipped with stops forming a spacer between the box and the opening. One can, for example, refer to the patent FR 2,996,202 which describes an assembly comprising an abutment intended to be fixed on the trunk opening of a motor vehicle, and a abutment intended to be fixed to the rear of the vehicle body to serve as a support for said abutment.

Si cet ensemble permet de limiter l'enfoncement de l'ouvrant dans le coffre, il ne permet pas de résoudre ou au moins d'atténuer le problème de déformation de l'ouvrant.If this set allows to limit the depression of the opening in the trunk, it does not solve or at least mitigate the problem of deformation of the opening.

Le document EP1914099 décrit un dispositif selon le préambule de la revendication 1.The document EP1914099 describes a device according to the preamble of claim 1.

L'objectif principal est de proposer un moyen pour limiter voire supprimer l'impact des sollicitations thermiques et mécaniques sur un ouvrant de coffre d'un véhicule automobile.The main objective is to propose a way to limit or even eliminate the impact of thermal and mechanical stresses on a trunk lid of a motor vehicle.

Avantageusement, ce moyen est facile et peu coûteux de fabrication.Advantageously, this means is easy and inexpensive to manufacture.

Avantageusement, ce moyen est simple d'installation et d'utilisation.Advantageously, this means is simple to install and use.

A cet effet, il est proposé, en premier lieu, un dispositif de butée d'un ouvrant de véhicule automobile comprenant une butée et une contre butée, le dispositif comprenant :

  • un support apte à être solidarisé sur un élément de structure du véhicule automobile ;
  • un axe monté sur le support ;
  • un équilibreur monté pivotant par rapport à l'ouvrant d'une part et à l'axe d'autre part,
la contre butée étant un logement solidaire de l'ouvrant, la butée comprenant :
  • ∘ une armature métallique ayant une base et une patte prolongeant la base ;
  • ∘ un moyen de fixation traversant l'armature métallique à la jonction entre la base et la patte, le moyen de fixation étant une bague taraudée apte à recevoir une tige filetée de l'axe; et
  • ∘ une pièce polymère surmoulée sur l'armature métallique et le moyen de fixation, la pièce polymère comprenant un corps surmoulé sur la base de l'armature métallique et un tampon prolongeant le corps à l'opposé de la patte de l'armature métallique.
For this purpose, it is proposed, in the first place, an abutment device of a motor vehicle opening comprising a stop and an abutment, the device comprising:
  • a support adapted to be secured to a structural element of the motor vehicle;
  • an axis mounted on the support;
  • a balancer pivoted relative to the opening on the one hand and the axis on the other hand,
the abutment being a housing integral with the opening, the abutment comprising:
  • A metal frame having a base and a tab extending the base;
  • A fastening means passing through the metal reinforcement at the junction between the base and the lug, the fastening means being a threaded ring adapted to receive a threaded rod of the shaft; and
  • ∘ a polymer part overmolded on the metal frame and the fixing means, the polymer part comprising a body overmolded on the base of the metal frame and a buffer extending the body opposite the leg of the metal frame.

Diverses caractéristiques supplémentaires peuvent être prévues, seules ou en combinaison :

  • le tampon présente une surface de butée, située au-delà de la base de l'armature métallique, apte à venir au contact d'une surface supérieure du logement de l'ouvrant ;
  • la patte comprend, à une extrémité opposée à la base, un ergot faisant saillie de l'armature métallique, cet ergot étant apte à venir se loger dans une fente pratiquée dans le support ;
  • le corps de la pièce polymère s'étend d'un seul côté de l'armature métallique ;
  • le tampon s'étend de part et d'autre de l'armature métallique ;
  • le support comprend une échancrure dans laquelle est reçue la butée ;
  • la surface de butée présente une forme galbée.
Various additional features may be provided, alone or in combination:
  • the buffer has an abutment surface, located beyond the base of the metal frame, adapted to come into contact with an upper surface of the housing of the opening;
  • the tab comprises, at an end opposite the base, a lug protruding from the metal frame, this lug being adapted to be housed in a slot in the support;
  • the body of the polymer piece extends from one side of the metal frame;
  • the buffer extends on both sides of the metal frame;
  • the support comprises a notch in which the stop is received;
  • the abutment surface has a curved shape.

Le dispositif de butée permet de limiter, voire de supprimer, l'affaissement de l'ouvrant de coffre dans une direction verticale, c'est-à-dire dans une direction sensiblement perpendiculaire à un plan sur lequel le véhicule repose.The stop device makes it possible to limit, or even eliminate, the collapse of the boot opening in a vertical direction, that is to say in a direction substantially perpendicular to a plane on which the vehicle rests.

Il est proposé, en second lieu, un véhicule automobile comprenant un ouvrant de coffre et un dispositif de butée de l'ouvrant de coffre tel que présenté précédemment.It is proposed, secondly, a motor vehicle comprising a boot lid and a stop device of the boot lid as presented above.

Dans un mode de réalisation, l'ouvrant est réalisé dans un matériau composite, notamment polypropylène chargé en fibre de verre.In one embodiment, the opening is made of a composite material, in particular polypropylene filled with fiberglass.

D'autres caractéristiques et avantages de l'invention apparaîtront plus clairement et de manière concrète à la lecture de la description ci-après de modes de réalisation, laquelle est faite en référence aux dessins annexés dans lesquels :

  • la figure 1 est une vue en perspective de dessus d'un véhicule automobile comprenant un ouvrant de coffre et un dispositif de butée de l'ouvrant ;
  • la figure 2 est une vue éclatée du dispositif de butée de l'ouvrant ;
  • la figure 3 est une vue en perspective d'une butée du dispositif de la figure 2 ;
  • la figure 4 est une vue en perspective d'un axe du dispositif de la figure 2 ;
  • la figure 5 est une vue en perspective d'un support du dispositif de la figure 2 ;
  • la figure 6 est une vue schématique montrant le dispositif de butée en configuration ouverte et en configuration fermée de l'ouvrant.
Other characteristics and advantages of the invention will appear more clearly and concretely on reading the following description of embodiments, which is made with reference to the accompanying drawings in which:
  • the figure 1 is a perspective view from above of a motor vehicle comprising a boot lid and a stop device of the opening;
  • the figure 2 is an exploded view of the stop device of the opening;
  • the figure 3 is a perspective view of a stop of the device of the figure 2 ;
  • the figure 4 is a perspective view of an axis of the device of the figure 2 ;
  • the figure 5 is a perspective view of a device support the figure 2 ;
  • the figure 6 is a schematic view showing the abutment device in open configuration and in closed configuration of the opening.

On a représenté, sur la figure 1, un véhicule 1 automobile comprenant une caisse et un ouvrant 2 de coffre, en matériau composite, par exemple polypropylène chargé en fibres de verre, monté pivotant par rapport à la caisse au moyen de charnières 3. L'ouvrant 2 est mobile entre une position fermée (représentée en figure 1 et en traits pleins sur la figure 6) dans laquelle l'ouvrant 2 empêche l'accès au coffre et une position ouverte (en pointillés sur la figure 6) dans laquelle l'ouvrant 2 est écarté de sa position fermée et autorise l'accès au coffre du véhicule 1.On the figure 1 , a vehicle 1 comprising a body and a boot 2 of trunk, composite material, for example polypropylene filled with glass fibers, pivotally mounted relative to the body by means of hinges 3. The opening 2 is movable between a position closed (represented figure 1 and in solid lines on the figure 6 ) in which the opening 2 prevents access to the trunk and an open position (dashed on the figure 6 ) in which the opening 2 is removed from its closed position and allows access to the trunk of the vehicle 1.

On définit par rapport au véhicule 1 un repère orthogonal XYZ comprenant trois axes perpendiculaires deux à deux, à savoir :

  • un axe X, définissant une direction longitudinale, horizontale, confondue avec la direction générale de déplacement du véhicule 1,
  • un axe Y, définissant une direction transversale, horizontale, qui avec l'axe X définit un plan XY horizontal,
  • un axe Z, définissant une direction verticale, perpendiculaire au plan XY horizontal.
With respect to the vehicle 1, an orthogonal reference mark XYZ is defined comprising three axes perpendicular two by two, namely:
  • an axis X, defining a longitudinal, horizontal direction coinciding with the general direction of movement of the vehicle 1,
  • a Y axis, defining a transverse direction, horizontal, which with the X axis defines a horizontal XY plane,
  • a Z axis, defining a vertical direction, perpendicular to the horizontal XY plane.

Le véhicule 1 comprend également un dispositif 4 de butée de l'ouvrant 2 de coffre. Comme on peut le voir sur la vue éclatée de la figure 2, le dispositif 4 comprend un support 5, un axe 6 et une butée 7.The vehicle 1 also comprises a device 4 for abutment of the boot 2 opening. As can be seen on the exploded view of the figure 2 , the device 4 comprises a support 5, an axis 6 and a stop 7.

Le support 5, représenté en perspective sur la figure 5, comprend une semelle 8 apte à venir au contact d'un élément 9 de structure de la caisse du véhicule 1, cette semelle 8 étant pourvue d'un perçage 10 et d'une ouverture 11 oblongue pour permettre le passage d'éléments de fixation (non représentés) tels que des vis ou des rivets.The support 5, shown in perspective on the figure 5 , comprises a sole 8 adapted to come into contact with a structural element 9 of the body of the vehicle 1, this sole 8 being provided with a bore 10 and an oblong opening 11 to allow the passage of fasteners (not shown) such as screws or rivets.

Le support 5 comprend également une âme 12 sensiblement perpendiculaire à la semelle 8 et pourvue d'un trou 13 et d'une fente 14 dont les fonctions seront expliquées ci-après, ainsi que d'un bossage 15 de renfort, à la jonction entre l'âme 12 et la semelle 8.The support 5 also comprises a core 12 substantially perpendicular to the sole 8 and provided with a hole 13 and a slot 14 whose functions will be explained hereinafter, as well as a reinforcing boss 15, at the junction between the soul 12 and the sole 8.

Selon le mode de réalisation représenté sur les figures, l'âme 12 du support 5 comprend une échancrure 16 dans laquelle est reçue la butée 7 comme nous le verrons ci-après.According to the embodiment shown in the figures, the core 12 of the support 5 comprises a notch 16 in which the stop 7 is received as will be seen below.

Avantageusement, le support 5 est monobloc et est réalisé par pliage d'une tôle en matériau métallique, et le bossage 15 est réalisé par emboutissage de cette tôle. Toutefois, dans une variante non représentée sur les figures, le support 5 pourrait être issu de l'assemblage d'une âme et d'une semelle fabriquées indépendamment l'une de l'autre, et le bossage 15 de renfort pourrait être réalisé par soudage d'une jambe de force ou d'un gousset.Advantageously, the support 5 is monobloc and is made by folding a sheet metal material, and the boss 15 is made by stamping this sheet. However, in a variant not shown in the figures, the support 5 could be derived from the assembly of a core and a sole made independently of one another, and the reinforcing boss 15 could be made by welding a strut or gusset.

L'axe 6, particulièrement visible sur la vue en perspective de la figure 4, est une pièce monobloc qui comprend une rotule 17, un col 18, un écrou 19, une rondelle 20 et une tige 21 filetée, la rotule 17, le col 18, l'écrou 19, la rondelle 20 et la tige 21 filetée étant colinéaires suivant une ligne 22 d'extension. Ainsi, lorsque l'écrou 19 est entrainé en rotation par rapport à la ligne 22 d'extension, l'axe 6 entier est entrainé en rotation.The axis 6, particularly visible in the perspective view of the figure 4 , is a single piece which comprises a ball 17, a neck 18, a nut 19, a washer 20 and a threaded rod 21, the ball 17, the neck 18, the nut 19, the washer 20 and the threaded rod 21 being collinear along a line 22 of extension. Thus, when the nut 19 is rotated relative to the extension line 22, the entire axis 6 is rotated.

La figure 3 représente la butée 7 du dispositif 4 de butée. Cette butée 7 comprend une armature 23 métallique, un moyen 24 de fixation et une pièce 25 polymère surmoulée sur l'armature 23 métallique. La pièce 25 est par exemple en élastomère.The figure 3 represents the stop 7 of the stop device 4. This abutment 7 comprises a metal frame 23, a fastening means 24 and a polymer part overmolded on the metal frame 23. The piece 25 is for example elastomer.

L'armature 23 métallique comprend une base 26 et une patte 27 prolongeant la base 26. Selon le mode de réalisation représenté sur les figures, l'armature 23 métallique comprend sur sa patte 27, à une extrémité opposée à la base 26, un ergot 28 en saillie sensiblement perpendiculaire à la patte 27.The metal armature 23 comprises a base 26 and a lug 27 extending the base 26. According to the embodiment shown in the figures, the metal armature 23 comprises on its lug 27, at an end opposite the base 26, a lug 28 projecting substantially perpendicular to the leg 27.

Tel que représenté sur les figures, la patte 27 forme, dans un même plan, avec la base 26, un angle A obtus compris entre 100° et 140° et, avantageusement, d'environ 120°.As shown in the figures, the tab 27 forms, in the same plane, with the base 26, an obtuse angle A between 100 ° and 140 ° and, preferably, about 120 °.

Selon l'invention, le moyen 24 de fixation est une bague taraudée solidaire de l'armature 23 métallique. Avantageusement, le moyen 24 de fixation traverse l'armature 23 métallique, sensiblement à la jonction entre la base 26 et la patte 27, de sorte à être affleurant sur une face 29 avant de l'armature 23 métallique, d'une part, et faire saillie de l'armature 23 métallique dans une direction opposée à l'ergot 28 d'autre part.According to the invention, the fixing means 24 is a threaded ring integral with the metal frame 23. Advantageously, the fastening means 24 passes through the metal frame 23, substantially at the junction between the base 26 and the lug 27, so as to be flush with a front face 29 of the metal frame 23, on the one hand, and protruding from the metal frame 23 in a direction opposite to the pin 28 on the other hand.

Enfin, la pièce 25 polymère comprend un corps 30 et un tampon 31. Le corps 30 est surmoulé sur la base 26 et partiellement sur la patte 27 de l'armature 23 métallique et s'étend d'un seul côté de l'armature 23 métallique, à savoir depuis la face 29 avant dans la direction opposée à l'ergot 28. Le tampon 31, quant à lui, prolonge le corps 30 au delà de la base 26 de l'armature 23 métallique de sorte qu'il présente une surface 32 de butée située au-delà de la base 26 et s'étend de part et d'autre de l'armature 23 métallique.Finally, the polymer part comprises a body 30 and a buffer 31. The body 30 is overmoulded on the base 26 and partially on the lug 27 of the metal frame 23 and extends on one side of the frame 23 metal, ie from the front face 29 in the opposite direction to the lug 28. The buffer 31, meanwhile, extends the body 30 beyond the base 26 of the metal frame 23 so that it has a 32 stop surface located beyond the base 26 and extends on either side of the metal frame 23.

Avantageusement, la surface 32 de butée est galbée pour faciliter l'engagement de la butée 7 avec l'ouvrant 2 de coffre comme il sera expliqué ci-après.Advantageously, the abutment surface 32 is curved to facilitate engagement of the abutment 7 with the boot opening 2 as will be explained hereinafter.

Sur le véhicule 1, le dispositif 4 de butée est assemblé comme suit. Le support 5 est monté sur l'élément 9 de structure, par contact entre la semelle 8 et l'élément 9 de structure, puis solidarisé à ce dernier au moyen des éléments de fixation traversant le perçage 10 et l'ouverture 11 oblongue.On the vehicle 1, the stop device 4 is assembled as follows. The support 5 is mounted on the structural element 9, by contact between the sole 8 and the structural element 9, and then secured to the latter by means of the fastening elements passing through the bore 10 and the oblong opening 11.

Préalablement à la fixation du support 5 ou après sa fixation, la butée 7 est montée sur le support 5. Pour cela, le tampon 31 vient se loger dans l'échancrure 16 du support, le moyen 24 de fixation est aligné avec le trou 13 de l'âme 12 et l'ergot 28 vient se loger dans la fente 14 de l'âme 12.Prior to the fixing of the support 5 or after its fixing, the abutment 7 is mounted on the support 5. For this, the buffer 31 is housed in the notch 16 of the support, the fastening means 24 is aligned with the hole 13 of the core 12 and the lug 28 is housed in the slot 14 of the core 12.

L'assemblage est ensuite terminé par la solidarisation de la butée 7 sur le support 5 au moyen de l'axe 6. Plus précisément, la tige 21 filetée de l'axe 6 vient en prise hélicoïdale avec la bague taraudée prenant en sandwich l'âme 12 du support 5. Le serrage de l'axe 6 via l'écrou 19 assure alors le maintien de la butée 7 sur le support 5. Avantageusement, le serrage est réalisé à un couple compris entre 15Nm et 25Nm et, de préférence, à un couple de 20Nm.The assembly is then completed by the fastening of the abutment 7 on the support 5 by means of the axis 6. More precisely, the threaded rod 21 of the shaft 6 comes into helical engagement with the threaded ring sandwiching it. core 12 of the support 5. The tightening of the shaft 6 via the nut 19 then ensures the maintenance of the stop 7 on the support 5. Advantageously, the tightening is carried out at a torque of between 15 Nm and 25 Nm and, preferably, at a torque of 20 Nm.

Afin de faciliter les mouvements d'ouverture et de fermeture de l'ouvrant 2 de coffre et de maintenir l'ouvrant 2 dans ses positions ouverte et fermée, le dispositif 4 de butée comprend également au moins un équilibreur 33 monté pivotant par rapport à l'axe 6 d'une part et par rapport à l'ouvrant 2 d'autre part.In order to facilitate the opening and closing movements of the tailgate 2 and to keep the opening 2 in its open and closed positions, the stop device 4 also comprises at least one balancer 33 pivotally mounted relative to the 6 axis on the one hand and with respect to the opening 2 on the other.

Comme on le voit sur les figures, l'équilibreur 33 est en l'espèce un vérin à gaz ou à ressort qui comprend un fût 34 et une tige 35 montée coulissante par rapport au fût 34, le fût 34 étant monté pivotant sur la rotule 17 de l'axe 6 et la tige 35 étant montée pivotante sur l'ouvrant 2.As seen in the figures, the balancer 33 is in this case a gas cylinder or spring which comprises a shaft 34 and a rod 35 slidably mounted relative to the shaft 34, the shaft 34 being pivotally mounted on the ball joint 17 of the axis 6 and the rod 35 being pivotally mounted on the opening 2.

En position fermée de l'ouvrant 2, comme représenté en traits pleins sur la figure 6, l'équilibreur 33 exerce une contrainte mécanique sur l'ouvrant 2 de coffre de sorte à repousser ce dernier vers le bas, c'est à dire dans une direction opposée à l'axe Z qui est perpendiculaire au plan de pose général du véhicule 1.In the closed position of the opening 2, as shown in solid lines on the figure 6 , the balancer 33 exerts a mechanical stress on the boot opening 2 so as to push the latter downwards, that is to say in a direction opposite to the Z axis which is perpendicular to the general laying plane of the vehicle 1.

Cette contrainte mécanique va tendre à déformer l'ouvrant 2 ce qui permet peut engendrer par exemple un problème d'étanchéité, notamment à l'eau. Par forte chaleur ambiante, la contrainte mécanique exercée par l'équilibreur 33 a tendance à déformer l'ouvrant 2 lorsque celui-ci est en position fermée.This mechanical stress will tend to deform the opening 2 which allows can cause for example a sealing problem, especially with water. In high ambient heat, the mechanical stress exerted by the balancer 33 tends to deform the opening 2 when it is in the closed position.

La butée 7 du dispositif 4 de butée, vient alors se loger dans une contre butée, en l'espèce un logement 36 pratiqué sur l'ouvrant 2. Plus particulièrement, la surface 32 de butée de la pièce 25 polymère vient en appui contre une surface 37 supérieure du logement 36. Comme on le voit sur la figure 6, le logement 36 est placé à une faible distance des charnières 3.The abutment 7 of the abutment device 4 then comes to be housed in an abutment, in this case a housing 36 made on the opening 2. More particularly, the abutment surface 32 of the polymer part bears against a upper surface 37 of housing 36. As seen on the figure 6 , the housing 36 is placed at a short distance from the hinges 3.

Sous la pression de l'ouvrant 2, le tampon 31 se déforme légèrement mais exerce un effort opposé à celui engendré par l'équilibreur 33, ce qui limite la déformation de l'ouvrant 2. Ainsi, l'ouvrant 2 reste en position fermée assurant l'étanchéité du véhicule 1.Under the pressure of the opening 2, the buffer 31 deforms slightly but exerts a force opposite to that generated by the balancer 33, which limits the deformation of the opening 2. Thus, the opening 2 remains in the closed position sealing the vehicle 1.

Lorsque l'ouvrant 2 passe de sa position ouverte à sa position fermée, la surface 37 supérieure du logement 36 frotte sur la surface 32 de butée de la butée 7. La forme galbée de la surface 32 de butée permet alors de faciliter la mise en contact de la butée 7 avec le logement 36 de l'ouvrant 2 et limite le risque d'usure prématurée de la butée 7.When the opening 2 passes from its open position to its closed position, the upper surface 37 of the housing 36 rubs on the abutment surface 32 of the abutment 7. The curved shape of the abutment surface 32 then makes it easier to contact of the stop 7 with the housing 36 of the opening 2 and limits the risk of premature wear of the stop 7.

Le dispositif 4 de butée, et sa butée 7, décrits ci-dessus, présentent les avantages exprimés ci-dessous.The abutment device 4, and its abutment 7, described above, have the advantages expressed below.

Premièrement, le dispositif 4 de butée permet de limiter, voire de supprimer la déformation de l'ouvrant 2 de coffre, la butée 7 exerçant, sur l'ouvrant 2, une force opposée à la contrainte mécanique exercée par l'équilibreur 33, et éventuellement à la combinaison de cette contrainte mécanique avec une contrainte thermique due à la température ambiante.Firstly, the stop device 4 makes it possible to limit or even eliminate the deformation of the boot opening 2, the abutment 7 exerting, on the opening 2, a force opposed to the mechanical stress exerted by the balancer 33, and possibly the combination of this mechanical stress with a thermal stress due to the ambient temperature.

Deuxièmement le dispositif 4 de butée est simple et peu coûteux de fabrication. En effet, le support 5, la butée 7 et l'axe 6 peuvent être fabriqués indépendamment les uns des autres par emboutissage, moulage et/ou surmoulage.Secondly, the stop device 4 is simple and inexpensive to manufacture. Indeed, the support 5, the abutment 7 and the axis 6 can be manufactured independently of each other by stamping, molding and / or overmolding.

Enfin, le dispositif 4 est simple d'installation et d'utilisation. L'installation est faite lors du montage du véhicule 1 et ne nécessite, pour un opérateur, que l'utilisation de clés, par exemple de clés plates, afin de serrer l'axe 6 ou les éléments de fixation du support 5 sur l'élément 9 de structure du véhicule 1. Quant à l'utilisation, elle est presque indécelable pour l'utilisateur du véhicule 1 qui n'a pas à manoeuvrer la butée 7, ni à réaliser un effort de positionnement de l'ouvrant 2 par rapport au dispositif 4 de butée, seul l'aide apportée par l'équilibreur 33 étant ressentie par l'utilisateur.Finally, the device 4 is simple to install and use. The installation is done during the assembly of the vehicle 1 and requires, for an operator, the use of keys, for example flat wrenches, in order to tighten the axis 6 or the fastening elements of the support 5 on the element 9 of the vehicle structure 1. As for the use, it is almost undetectable for the user of the vehicle 1 which does not have to maneuver the abutment 7, nor to achieve a positioning force of the opening 2 relative the device 4 stop, only the help provided by the balancer 33 is felt by the user.

Claims (9)

  1. An abutment device (4) of an openable body section (2) of a motor vehicle (1) including an abutment (7) and a counter-abutment, this device including:
    - a support (5) able to be secured to a structural element (9) of the motor vehicle (1);
    - a pin (6) mounted on the support (5);
    - a balancer (33) able to be pivotably mounted with respect to the openable body section (2) on the one hand and to the pin (6) on the other hand,
    - the counter-abutment being a housing (36) able to be integral with the openable body section (2);
    - the abutment (7) including:
    a metal armature (23) having a base (26) and a tab (27) extending the base (26);
    an attachment means (24) and a polymer part;
    characterized in that
    the attachment means passes through the metal armature (23) at the junction between the base (26) and the tab (27), the attachment means (24) being a thread ring able to receive a threaded rod (21) of the pin (6), and the polymer part (25) is overmoulded on the metal armature (23) and the attachment means (24), said polymer part (25) including a body (30) overmoulded on the base (26) of the metal armature (23) and a buffer (31) extending the body (30) opposite the tab (27) of the metal armature (23).
  2. The device (4) according to Claim 1, characterized in that the buffer (31) has an abutment surface (32), situated beyond the base (26) of the metal armature (23), able to come in contact with an upper surface (37) of the housing (36) of the openable body section (2) .
  3. The device (4) according to any one of the preceding claims, characterized in that the tab (27) includes, at an opposite end to the base (26), a stud (28) projecting from the metal armature (23), this stud (28) being able to come to be housed in a slot (14) formed in the support (5).
  4. The device (4) according to any one of the preceding claims, characterized in that the body (30) of the polymer part (25) extends from a single side of the metal armature (23).
  5. The device (4) according to any one of the preceding claims, characterized in that the buffer (31) extends on either side of the metal armature (23).
  6. The device (4) according to any one of the preceding claims, characterized in that the support (5) includes an indentation (16) in which the abutment (7) is received.
  7. The device (4) according to Claim 2, characterized in that the abutment surface (32) has a curved shape.
  8. A motor vehicle (1) including an openable body section (2) of a luggage compartment and abutment device (4) of the luggage compartment openable body section (2), according to any one of the preceding claims.
  9. The vehicle (1) according to the preceding claim, characterized in that the openable body section (2) is made from a composite material.
EP15788150.9A 2014-11-14 2015-10-06 Abutment device of an openable body section of a motor-vehicle luggage compartment Active EP3218564B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR1460978A FR3028479B1 (en) 2014-11-14 2014-11-14 DEVICE FOR THE FASTENING OF A CAR INSIDE BOOT OPENING
PCT/FR2015/052674 WO2016075375A1 (en) 2014-11-14 2015-10-06 Abutment device of an openable body section of a motor-vehicle luggage compartment

Publications (2)

Publication Number Publication Date
EP3218564A1 EP3218564A1 (en) 2017-09-20
EP3218564B1 true EP3218564B1 (en) 2019-05-15

Family

ID=52589510

Family Applications (1)

Application Number Title Priority Date Filing Date
EP15788150.9A Active EP3218564B1 (en) 2014-11-14 2015-10-06 Abutment device of an openable body section of a motor-vehicle luggage compartment

Country Status (3)

Country Link
EP (1) EP3218564B1 (en)
FR (1) FR3028479B1 (en)
WO (1) WO2016075375A1 (en)

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE520717C2 (en) * 1998-04-29 2003-08-12 Scania Cv Ab Shock absorbing means arranged to be attached to a surface
FR2880853B1 (en) * 2005-01-18 2007-03-02 Peugeot Citroen Automobiles Sa AUTOMOTIVE VEHICLE HOOD SUPPORT FASTER ERASER IN CASE OF SHOCK
FR2907053A1 (en) * 2006-10-16 2008-04-18 Peugeot Citroen Automobiles Sa Casement e.g. rear boot's cover, opening device for motor vehicle, has roller supported on stop when casement is closed, and stabilizer exerting force to maintain roller on stop that includes roller track
FR2929668B1 (en) * 2008-04-04 2012-10-19 Peugeot Citroen Automobiles Sa FASTENING SCREW WITH ADJUSTABLE STRAIGHT USING IN PARTICULAR IN A MOTOR VEHICLE
FR2996202B1 (en) 2012-10-01 2016-08-26 Peugeot Citroen Automobiles Sa ASSEMBLY COMPRISING A STOP TO BE FASTENED ON THE REAR SHUTTER OF A MOTOR VEHICLE, A BACKBACK AND A REAR BUMPER ATTACHED TO THE VEHICLE BOX

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
None *

Also Published As

Publication number Publication date
FR3028479B1 (en) 2016-11-18
EP3218564A1 (en) 2017-09-20
WO2016075375A1 (en) 2016-05-19
FR3028479A1 (en) 2016-05-20

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