EP3828053A1 - Concealed ceiling panel with built-in hinge - Google Patents

Concealed ceiling panel with built-in hinge Download PDF

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Publication number
EP3828053A1
EP3828053A1 EP20209964.4A EP20209964A EP3828053A1 EP 3828053 A1 EP3828053 A1 EP 3828053A1 EP 20209964 A EP20209964 A EP 20209964A EP 3828053 A1 EP3828053 A1 EP 3828053A1
Authority
EP
European Patent Office
Prior art keywords
hinge
ceiling
arch
cover
retaining member
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.)
Withdrawn
Application number
EP20209964.4A
Other languages
German (de)
French (fr)
Inventor
Sébastien Moreau
Nicolas LECAT
Maria-Fernanda PULIDO-PLAUCHUD
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.)
Alstom Holdings SA
Original Assignee
Alstom Transport Technologies SAS
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Alstom Transport Technologies SAS filed Critical Alstom Transport Technologies SAS
Publication of EP3828053A1 publication Critical patent/EP3828053A1/en
Withdrawn legal-status Critical Current

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B61—RAILWAYS
    • B61D—BODY DETAILS OR KINDS OF RAILWAY VEHICLES
    • B61D17/00—Construction details of vehicle bodies
    • B61D17/04—Construction details of vehicle bodies with bodies of metal; with composite, e.g. metal and wood body structures
    • B61D17/18—Internal lining, e.g. insulating

Definitions

  • Such a cover is intended to be mounted on the ceiling of a vehicle, in particular of a rail vehicle.
  • the ceiling cover is generally fixed to a side wall by its lower edge and is fixed to the ceiling of the passenger compartment by its upper edge.
  • removing the ceiling cover requires securing it, either by removing it completely from the ceiling, which extends the duration of the operation, or by removing it completely from the ceiling. suspended from the ceiling, which may present a safety risk to the maintenance worker.
  • a known cover is equipped with an added hinge. Fixing to the ceiling is, for example, carried out using a large number of parts glued to each other and / or attached to each other using one or more rivets.
  • An object of the invention is to provide a ceiling cover that is easy to install and remove and whose handling is secure, while offering a reduced number of parts necessary for the installation of the ceiling cover.
  • the invention relates to a ceiling cover of the aforementioned type, in which the hinge is integral with the arch, the cover comprising at least one member for retaining the hinge in the channel, intended to be mounted in the channel. ceiling, the retaining member being movable relative to the hinge between a retaining position of the hinge in the channel and a release position of the hinge.
  • FIG. 1 schematically illustrated is the passenger compartment 10 of a vehicle comprising a ceiling 12, two side walls 14 and at least one technical element 16 intended to be masked.
  • the vehicle is for example a railway vehicle, such as a train or a tram.
  • the vehicle is a bus or a coach.
  • the technical element 16 is an element ensuring the operation of the vehicle and / or the conditioning of the passenger compartment 10. It is intended to be accessible for maintenance operations.
  • the technical element 16 is, for example, a pipe element, an electric cable element, a ventilation element. As is known, the technical element 16 is mounted in the vicinity of and facing the ceiling 12 of the passenger compartment 10, in particular close to the side walls 14 to limit the space occupied within the passenger compartment 10.
  • the passenger compartment 10 comprises a ceiling cover 18 capable of masking the technical element 16 from the view of a user in the passenger compartment 10 of the vehicle.
  • the ceiling cover 18 comprises at least a first retention support 20 suitable for being fixed to the ceiling 12, an arch 22 movable between a mounted position visible to the left of the ceiling. figure 1 and a disassembled position visible to the right of the figure 1 and a retaining member 26 for the arch 22 in the first support 20.
  • the cover 18 further comprises at least one second retaining support 24 suitable for being mounted on a side wall 14.
  • the first retention support 20 comprises a channel 30 extending along a horizontal axis A-A '.
  • the channel 30 comprises a longitudinal rail 32 projecting upwards.
  • the second retention support 24 comprises a mounting receptacle 34 suitable for maintaining the arch 22.
  • the mounting receptacle 34 is, for example, a screw thread or a retaining hook.
  • the vault 22 has a full masking panel.
  • the panel here has two flat regions forming an angle, in section in a transverse plane.
  • the arch 22 is here advantageously made of thermoplastic material and comprises an upper horizontal edge 35 and a lower horizontal edge 36.
  • the upper edge 35 comprises a hinge 38 integral with the arch 22 and extending along the horizontal axis A-A '.
  • the arch 22 is suitable for being retained on the ceiling 12 by the first retention support 20 and on a side wall 14 by the second retention support 24.
  • the arch 22 is movable in rotation around the axis AA 'by means of the hinge 38 between the mounted position and the dismantled position, in which the cover 18 is retained on the ceiling 12 by the first retention support 20 and is placed away from the side wall 14.
  • the hinge 38 comprises at least one hook 40 visible on the figure 4 . It defines at least one notch 42 passing through the hook 40, stop regions 44 located longitudinally on either side of each notch 42, and a wedging stop 45 longitudinally closing the notch 42 opposite the arch 22 .
  • the hook 40 opens downwards and is engaged on the rail 32.
  • the notch 42 is formed in the hinge 38 and is limited longitudinally along the axis A-A ' by the stop regions 44 which extend transversely.
  • the notch 42 is further limited laterally with respect to the axis AA 'by the wedging stop 45 on one side and by the arch 22 on the other side.
  • the lower edge 36 is provided with at least one reversible mounting member 46, suitable for being mounted in the mounting receptacle 34 of the second retention support 24.
  • the mounting member 46 is, for example, a screw or a hook.
  • the hinge 38 is advantageously mounted to rotate around the axis AA 'with its hook 40 in the channel 30 between the mounted position of the cover 18 in which the lower edge 35 of the arch 22 is retained on the second retention support 24 by the mounting member 46 and the disassembled position, in which the lower edge 35 of the arch 22 is away from the second retention support 24, the hook 40 retaining the arch 22.
  • the retaining member 26 comprises a strip 50, a projecting lower arm 52 and at least one fixing member 54. It is suitable for being mounted on the ceiling 12.
  • the retaining member 26 is made of metal, for example aluminum.
  • the strip 50 of the retaining member 26 comprises at least one transverse passage slot 56 into which the fixing member 54 can be inserted.
  • the projecting lower arm 52 extends from the strip 50 downwards. It comprises an upper fin 53 protruding from the lower arm 52 towards the axis A-A 'and a lower fin 55 protruding from the lower arm 52 opposite the axis A-A'.
  • the upper fin 53 defines an upper lateral stop 58.
  • the lower fin 55 defines a lower lateral stop 60.
  • the upper lateral stop 58 and the lower lateral stop 60 extend longitudinally parallel to the axis A-A '.
  • the lower arm 52 further defines, under the lower lateral stop 60, transverse stop surfaces 59 orthogonal to the axis A-A '.
  • the fixing member 54 is suitable for being mounted between a configuration fixed to the ceiling in which the fixing member 54 fits into the slot 56 and maintains the strip 50 in contact with the ceiling 12 and a disassembled configuration in which the fixing member 54 is away from the slot 56.
  • the retaining member 26 is movable in translation perpendicular to the axis AA 'between a retaining position of the hinge 38 in which the lower arm 52 extends in the notch 42 of the hinge 38 and a release position of the hinge 38 in which the lower arm 52 is disposed away from the notch 42 of the hinge 38 .
  • the retaining member 26 is able to pass from the retaining position of the hinge 38 to the position of release of the hinge 38 by translation of the strip 50 transversely with respect to the axis AA 'with respect to the member fixing 54 when the cover 18 is in its disassembled position.
  • the hook 40 of the hinge 38 is engaged on the rail 32 of the first retention support 20.
  • the mounting member 46 of the lower edge 36 of the arch 22 is mounted in the mounting receptacle 34 of the second retention support 24.
  • the arch 22 is inclined relative to the horizontal between the ceiling 12 and the side wall 14 of the vehicle.
  • the vault 22 hides the technical elements 16 downwards. It prevents access to these elements from the bottom of the passenger compartment.
  • the retaining member 26 is inserted into the notch 42 with its lower arm 52 which extends in the notch 42.
  • the lower lateral stop 60 of the lower arm 52 limits the rotation of the arch 22 around the axis AA 'towards the ceiling.
  • the mounting member 46 of the lower edge 36 is removed from the mounting receptacle 34 located on the second retention support 24.
  • the arch 22 is then driven in rotation around the axis AA 'away from the side wall 14 by means of the hinge 38 which pivots in the channel 30.
  • the arch 22 then extends vertically while being suspended. to rail 32.
  • the wedging stop 45 of the hinge 38 is locked in rotation around the axis AA 'against the upper lateral stop 58 of the lower arm 52.
  • the arch 22 is then limited in rotation around the axis AA' to the away from the side wall 14, which prevents disengagement of the hook 40 away from the rail 32.
  • the arch 22 then extends substantially vertically, and a passage is defined between the arch 22 and the side wall 14 to access the technical elements 16 from the bottom of the passenger compartment.
  • the retaining member 26 is passed from the retaining position of the hinge 38 to the release position of the hinge 38 by translation of the retaining member 26 perpendicular to the axis AA 'away from the hinge 38.
  • the arch 22 is then detached from the first retention support 20 by lifting the hinge 38 to extract it from the channel 30.
  • the invention therefore proposes a ceiling cover 18, the fixing of which in the passenger compartment 10 of the vehicle requires few parts thanks to the presence of a hinge 38 integral with the arch 22.
  • the ceiling cover 18 according to the invention is assembled and disassembled by detaching only the fasteners on the side walls 14, which represents a significant time saving for a maintenance agent.
  • the retainer 26 secures the ceiling cover 18 and prevents it from falling unexpectedly.

Landscapes

  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Wood Science & Technology (AREA)
  • Mechanical Engineering (AREA)
  • Vehicle Interior And Exterior Ornaments, Soundproofing, And Insulation (AREA)
  • Building Environments (AREA)

Abstract

Le cache de plafond (12) comprend- une voûte,- un premier support (20) de rétention,- un deuxième support de rétention,le premier support (20) de rétention comprenant une rigole (30),la voûte présentant un bord inférieur et comprenant une charnière (38).La charnière (38) est montée sur le premier support (20) dans la rigole (30) telle que le bord inférieur est retenu sur le deuxième support de rétention.La charnière (38) est venue de matière avec la voûte, le cache comportant un organe de retenue (26) de la charnière (38) dans la rigole (30), l'organe de retenue (26) étant mobile par rapport à la charnière (38) entre une position de retenue et une position de libération de la charnière (38) dans la rigole (30).The ceiling cover (12) comprises - an arch, - a first retention support (20), - a second retention support, the first retention support (20) comprising a channel (30), the arch having a lower edge and comprising a hinge (38). The hinge (38) is mounted on the first support (20) in the channel (30) such that the lower edge is retained on the second retention support. material with the arch, the cover comprising a retaining member (26) of the hinge (38) in the channel (30), the retaining member (26) being movable relative to the hinge (38) between a position of retained and a release position of the hinge (38) in the channel (30).

Description

La présente invention concerne un cache de plafond d'un véhicule comprenant

  • une voûte,
  • au moins un premier support de rétention destiné à être monté sur le plafond,
  • au moins un deuxième support de rétention destiné à être monté sur une paroi latérale du véhicule,
le premier support de rétention comprenant une rigole s'étendant selon un axe horizontal A-A',
la voûte présentant un bord supérieur et un bord inférieur, le bord supérieur comprenant une charnière s'étendant horizontalement, le bord inférieur étant muni d'un organe de montage propre à être retenu par le deuxième support de rétention,
la charnière étant montée rotative autour de l'axe horizontal A-A' sur le premier support dans la rigole entre une position montée de la voûte dans laquelle le bord inférieur est retenu sur le deuxième support de rétention par l'organe de montage et une position démontée de la voûte dans laquelle le bord inférieur est disposé à l'écart du deuxième support de rétention.The present invention relates to a ceiling cover for a vehicle comprising
  • a vault,
  • at least a first retention support intended to be mounted on the ceiling,
  • at least one second retention support intended to be mounted on a side wall of the vehicle,
the first retention support comprising a channel extending along a horizontal axis A-A ',
the arch having an upper edge and a lower edge, the upper edge comprising a hinge extending horizontally, the lower edge being provided with a mounting member suitable for being retained by the second retention support,
the hinge being rotatably mounted about the horizontal axis AA 'on the first support in the channel between a mounted position of the arch in which the lower edge is retained on the second retention support by the mounting member and a disassembled position of the arch in which the lower edge is disposed away from the second retention support.

Un tel cache est destiné à être monté sur le plafond d'un véhicule, en particulier d'un véhicule ferroviaire.Such a cover is intended to be mounted on the ceiling of a vehicle, in particular of a rail vehicle.

Dans l'habitacle d'un véhicule, notamment dans l'habitacle d'un train, de nombreux éléments techniques tels que des câbles et des conduits d'aérations et/ou de climatisation doivent traverser l'habitacle.In the passenger compartment of a vehicle, in particular in the passenger compartment of a train, numerous technical elements such as cables and ventilation and / or air conditioning ducts must pass through the passenger compartment.

Pour cacher ces éléments peu esthétiques, il est connu de les placer sous le plafond le long des parois latérales de l'habitacle et de les cacher par un cache de plafond.To hide these unattractive elements, it is known practice to place them under the ceiling along the side walls of the passenger compartment and to hide them by a ceiling cover.

Le cache de plafond est généralement fixé à une paroi latérale par son bord inférieur et est fixé au plafond de l'habitacle par son bord supérieur.The ceiling cover is generally fixed to a side wall by its lower edge and is fixed to the ceiling of the passenger compartment by its upper edge.

Cependant, il arrive fréquemment qu'un agent ait besoin d'accéder aux éléments techniques précédemment cités, par exemple pour une opération de maintenance. Un cache de plafond tel que précédemment décrit nécessite de nombreux efforts de manutention pour être enlevé. L'accès aux éléments techniques cachés est alors rendu fastidieux.However, it often happens that an agent needs to access the technical elements mentioned above, for example for a maintenance operation. A ceiling cover as described above requires a great deal of handling effort to be removed. Access to hidden technical elements is then made tedious.

En outre, le démontage du cache de plafond nécessite de le sécuriser, soit en l'enlevant complètement du plafond, ce qui allonge la durée d'intervention, soit en le suspendant au plafond, ce qui peut présenter des risques quant à la sécurité de l'agent de maintenance.In addition, removing the ceiling cover requires securing it, either by removing it completely from the ceiling, which extends the duration of the operation, or by removing it completely from the ceiling. suspended from the ceiling, which may present a safety risk to the maintenance worker.

Un cache connu est équipé d'une charnière rapportée. La fixation au plafond est, par exemple, réalisée à l'aide d'un grand nombre de pièces collées les unes aux autres et/ou attachées les unes aux autres à l'aide d'un ou plusieurs rivets.A known cover is equipped with an added hinge. Fixing to the ceiling is, for example, carried out using a large number of parts glued to each other and / or attached to each other using one or more rivets.

Un but de l'invention est de proposer un cache de plafond facile à installer et à enlever et dont la manutention est sécurisée, tout en offrant un nombre de pièces réduit nécessaire pour l'installation du cache de plafond.An object of the invention is to provide a ceiling cover that is easy to install and remove and whose handling is secure, while offering a reduced number of parts necessary for the installation of the ceiling cover.

A cet effet, l'invention concerne un cache de plafond du type précité, dans lequel la charnière est venue de matière avec la voûte, le cache comportant au moins un organe de retenue de la charnière dans la rigole, destiné à être monté dans le plafond, l'organe de retenue étant mobile par rapport à la charnière entre une position de retenue de la charnière dans la rigole et une position de libération de la charnière.To this end, the invention relates to a ceiling cover of the aforementioned type, in which the hinge is integral with the arch, the cover comprising at least one member for retaining the hinge in the channel, intended to be mounted in the channel. ceiling, the retaining member being movable relative to the hinge between a retaining position of the hinge in the channel and a release position of the hinge.

Ainsi, lorsqu'un agent de maintenance désire avoir accès aux éléments cachés par le cache de plafond, il lui suffit de détacher la partie inférieure du cache de la paroi latérale du véhicule et de laisser pendre le cache de plafond au support de rétention supérieur, le cache de plafond étant retenu de manière sécurisée par l'organe de retenue.Thus, when a maintenance agent wishes to have access to the elements hidden by the ceiling cover, all he has to do is detach the lower part of the cover from the side wall of the vehicle and let the ceiling cover hang from the upper retention bracket, the ceiling cover being securely retained by the retainer.

Le cache de plafond selon l'invention peut comprendre l'une ou plusieurs des caractéristiques suivantes, prise(s) isolément ou selon toute combinaison techniquement envisageable :

  • la charnière comporte au moins un crochet s'ouvrant vers le bas, le premier support de rétention comportant un rail faisant saillie vers le haut, le crochet étant engagé sur le rail,
  • la charnière comprend au moins une échancrure, et au moins une région de butée limitant l'échancrure le long d'un bord libre de la charnière,
  • l'organe de retenue s'insère dans l'échancrure dans la position de retenue, la coopération entre la région de butée et l'organe de retenue bloquant la voûte en translation le long de l'axe horizontal A-A' dans au moins un sens,
  • l'organe de retenue est monté mobile en translation perpendiculairement à l'axe horizontal A-A' entre une position de retenue de la charnière dans laquelle l'organe de retenue est inséré dans l'échancrure et une position de libération de la charnière dans laquelle l'organe de retenue est à l'écart de l'échancrure,
  • l'organe de retenue comprend une butée de calage de la voûte dans sa position démontée.
  • l'organe de retenue comprend une réglette et au moins un organe de fixation au plafond, la réglette définissant au moins une fente de passage de l'organe de fixation, l'organe de retenue étant propre à être monté sur le plafond,
  • l'organe de retenue comprend un bras inférieur s'étendant en saillie à partir de la réglette, le bras inférieur comprenant deux butées, la voûte étant limitée en rotation, dans les deux sens de rotation, par les deux butées,
  • la voûte est constituée de matière thermoplastique,
  • la voûte s'étend verticalement en étant suspendue à la rigole dans la position démontée et dans lequel la voûte est inclinée par rapport à l'horizontale entre le plafond et une paroi latérale du véhicule dans la position montée.
The ceiling cover according to the invention can comprise one or more of the following characteristics, taken in isolation or in any technically conceivable combination:
  • the hinge comprises at least one hook opening downwards, the first retention support comprising a rail projecting upwards, the hook being engaged on the rail,
  • the hinge comprises at least one notch, and at least one stop region limiting the notch along a free edge of the hinge,
  • the retaining member fits into the notch in the retaining position, the cooperation between the stop region and the retaining member blocking the arch in translation along the horizontal axis AA 'in at least one direction ,
  • the retaining member is mounted movable in translation perpendicular to the horizontal axis AA 'between a retaining position of the hinge in which the retaining member is inserted in the notch and a release position of the hinge in which the the retainer is away from the notch,
  • the retaining member comprises a stopper for setting the arch in its dismantled position.
  • the retaining member comprises a strip and at least one member for fixing to the ceiling, the strip defining at least one slot for passage of the fixing member, the retaining member being suitable for being mounted on the ceiling,
  • the retaining member comprises a lower arm projecting from the strip, the lower arm comprising two stops, the arch being limited in rotation, in both directions of rotation, by the two stops,
  • the vault is made of thermoplastic material,
  • the arch extends vertically by being suspended from the channel in the dismantled position and in which the arch is inclined relative to the horizontal between the ceiling and a side wall of the vehicle in the mounted position.

D'autres aspects et avantages de l'invention apparaîtront à la lecture de description qui suit, donnée uniquement à titre d'exemple et faite en référence aux dessins annexés, dans lesquels :

  • la Fig. 1 est une représentation schématique en coupe de l'habitacle d'un véhicule comprenant deux caches de plafond selon l'invention, l'un avec sa voûte dans une position montée, l'autre avec sa voûte dans une position démontée,
  • la Fig. 2 est une représentation schématique en coupe du cache de plafond dans laquelle la voûte est en position montée, l'organe de retenue étant en position de retenue,
  • la Fig. 3 est une représentation schématique en coupe du cache de plafond de la Fig. 2 dans laquelle la voûte est en position démontée, l'organe de retenue étant en position de libération,
  • la Fig. 4 est une représentation schématique en perspective de la voûte du cache du plafond.
Other aspects and advantages of the invention will become apparent on reading the description which follows, given solely by way of example and made with reference to the appended drawings, in which:
  • the Fig. 1 is a schematic sectional representation of the passenger compartment of a vehicle comprising two ceiling covers according to the invention, one with its arch in a mounted position, the other with its arch in a dismantled position,
  • the Fig. 2 is a schematic sectional representation of the ceiling cover in which the vault is in the mounted position, the retaining member being in the retaining position,
  • the Fig. 3 is a schematic sectional representation of the ceiling cover of the Fig. 2 in which the arch is in the dismantled position, the retaining member being in the released position,
  • the Fig. 4 is a schematic perspective representation of the vault of the ceiling cover.

Sur la Figure 1 est illustré schématiquement l'habitacle 10 d'un véhicule comprenant un plafond 12, deux parois latérales 14 et au moins un élément technique 16 destiné à être masqué.On the Figure 1 schematically illustrated is the passenger compartment 10 of a vehicle comprising a ceiling 12, two side walls 14 and at least one technical element 16 intended to be masked.

Le véhicule est par exemple un véhicule ferroviaire, tel qu'un train ou un tramway. En variante, le véhicule est un bus ou un car.The vehicle is for example a railway vehicle, such as a train or a tram. Alternatively, the vehicle is a bus or a coach.

L'élément technique 16 est un élément assurant le fonctionnement du véhicule et/ou le conditionnement de l'habitacle 10. Il est destiné à être accessible pour des opérations de maintenance.The technical element 16 is an element ensuring the operation of the vehicle and / or the conditioning of the passenger compartment 10. It is intended to be accessible for maintenance operations.

L'élément technique 16 est, par exemple, un élément de tuyauterie, un élément de câble électrique, un élément de ventilation. De façon connue, l'élément technique 16 est monté en voisinage et en regard du plafond 12 de l'habitacle 10, en particulier proche des parois latérales 14 pour limiter l'espace occupé au sein de l'habitacle 10.The technical element 16 is, for example, a pipe element, an electric cable element, a ventilation element. As is known, the technical element 16 is mounted in the vicinity of and facing the ceiling 12 of the passenger compartment 10, in particular close to the side walls 14 to limit the space occupied within the passenger compartment 10.

En référence à la Figure 1, selon l'invention, l'habitacle 10 comporte un cache 18 de plafond propre à masquer l'élément technique 16 de la vue d'un utilisateur dans l'habitacle 10 du véhicule.With reference to the Figure 1 , according to the invention, the passenger compartment 10 comprises a ceiling cover 18 capable of masking the technical element 16 from the view of a user in the passenger compartment 10 of the vehicle.

Le cache 18 de plafond comprend au moins un premier support 20 de rétention propre à être fixé sur le plafond 12, une voûte 22 mobile entre une position montée visible à gauche de la figure 1 et une position démontée visible à droite de la figure 1 et un organe de retenue 26 de la voûte 22 dans le premier support 20. Le cache 18 comprend en outre au moins un deuxième support 24 de rétention propre à être monté sur une paroi latérale 14.The ceiling cover 18 comprises at least a first retention support 20 suitable for being fixed to the ceiling 12, an arch 22 movable between a mounted position visible to the left of the ceiling. figure 1 and a disassembled position visible to the right of the figure 1 and a retaining member 26 for the arch 22 in the first support 20. The cover 18 further comprises at least one second retaining support 24 suitable for being mounted on a side wall 14.

En référence à la Figure 2, le premier support 20 de rétention comprend une rigole 30 s'étendant selon un axe horizontal A-A'. La rigole 30 comprend un rail longitudinal 32 faisant saillie vers le haut.With reference to the Figure 2 , the first retention support 20 comprises a channel 30 extending along a horizontal axis A-A '. The channel 30 comprises a longitudinal rail 32 projecting upwards.

En référence à la Fig. 1, le deuxième support 24 de rétention comprend un réceptacle de montage 34 propre à maintenir la voûte 22. Le réceptacle de montage 34 est, par exemple, un taraudage de vis ou un crochet de retenue.With reference to the Fig. 1 , the second retention support 24 comprises a mounting receptacle 34 suitable for maintaining the arch 22. The mounting receptacle 34 is, for example, a screw thread or a retaining hook.

La voûte 22 comporte un panneau plein de masquage. Le panneau présente ici deux régions planes formant un angle, en section dans un plan transverse.The vault 22 has a full masking panel. The panel here has two flat regions forming an angle, in section in a transverse plane.

La voûte 22 est ici avantageusement réalisée en matière thermoplastique et comprend un bord horizontal supérieur 35 et un bord horizontal inférieur 36.The arch 22 is here advantageously made of thermoplastic material and comprises an upper horizontal edge 35 and a lower horizontal edge 36.

En référence à la Figure 2, le bord supérieur 35 comprend une charnière 38 venue de matière avec la voûte 22 et s'étendant le long de l'axe horizontal A-A'.With reference to the Figure 2 , the upper edge 35 comprises a hinge 38 integral with the arch 22 and extending along the horizontal axis A-A '.

En référence à la Figure 1, dans la position montée, la voûte 22 est propre à être retenue au plafond 12 par le premier support 20 de rétention et à une paroi latérale 14 par le deuxième support 24 de rétention.With reference to the Figure 1 , in the mounted position, the arch 22 is suitable for being retained on the ceiling 12 by the first retention support 20 and on a side wall 14 by the second retention support 24.

La voûte 22 est mobile en rotation autour de l'axe A-A' par l'intermédiaire de la charnière 38 entre la position montée et la position démontée, dans laquelle le cache 18 est retenu au plafond 12 par le premier support 20 de rétention et est placé à l'écart de la paroi latérale 14.The arch 22 is movable in rotation around the axis AA 'by means of the hinge 38 between the mounted position and the dismantled position, in which the cover 18 is retained on the ceiling 12 by the first retention support 20 and is placed away from the side wall 14.

La charnière 38 comprend au moins un crochet 40 visible sur la figure 4. Elle définit au moins une échancrure 42 traversant le crochet 40, des régions de butée 44 situées longitudinalement de part et d'autre de chaque échancrure 42, et une butée de calage 45 fermant longitudinalement l'échancrure 42 à l'opposé de la voûte 22.The hinge 38 comprises at least one hook 40 visible on the figure 4 . It defines at least one notch 42 passing through the hook 40, stop regions 44 located longitudinally on either side of each notch 42, and a wedging stop 45 longitudinally closing the notch 42 opposite the arch 22 .

Le crochet 40 s'ouvre vers le bas et est engagé sur le rail 32. L'échancrure 42 est ménagée dans la charnière 38 et est limitée longitudinalement selon l'axe A-A' par les régions de butée 44 qui s'étendent transversalement. L'échancrure 42 est en outre limitée latéralement par rapport à l'axe A-A' par la butée de calage 45 d'un côté et par la voûte 22 de l'autre côté.The hook 40 opens downwards and is engaged on the rail 32. The notch 42 is formed in the hinge 38 and is limited longitudinally along the axis A-A ' by the stop regions 44 which extend transversely. The notch 42 is further limited laterally with respect to the axis AA 'by the wedging stop 45 on one side and by the arch 22 on the other side.

En référence à la Figure 1, le bord inférieur 36 est muni d'au moins un organe de montage 46 réversible, propre à être monté dans le réceptacle de montage 34 du deuxième support 24 de rétention. L'organe de montage 46 est, par exemple, une vis ou un crochet.With reference to the Figure 1 , the lower edge 36 is provided with at least one reversible mounting member 46, suitable for being mounted in the mounting receptacle 34 of the second retention support 24. The mounting member 46 is, for example, a screw or a hook.

En référence à la Figure 2, la charnière 38 est avantageusement montée rotative autour de l'axe A-A' avec son crochet 40 dans la rigole 30 entre la position montée du cache 18 dans laquelle, le bord inférieur 35 de la voûte 22 est retenu sur le deuxième support 24 de rétention par l'organe de montage 46 et la position démontée, dans laquelle le bord inférieur 35 de la voûte 22 est à l'écart du deuxième support 24 de rétention, le crochet 40 retenant la voûte 22.With reference to the Figure 2 , the hinge 38 is advantageously mounted to rotate around the axis AA 'with its hook 40 in the channel 30 between the mounted position of the cover 18 in which the lower edge 35 of the arch 22 is retained on the second retention support 24 by the mounting member 46 and the disassembled position, in which the lower edge 35 of the arch 22 is away from the second retention support 24, the hook 40 retaining the arch 22.

En référence aux figures 2 et 3, l'organe de retenue 26 comprend une réglette 50, un bras inférieur 52 en saillie et au moins un organe de fixation 54. Il est propre à être monté sur le plafond 12.With reference to figures 2 and 3 , the retaining member 26 comprises a strip 50, a projecting lower arm 52 and at least one fixing member 54. It is suitable for being mounted on the ceiling 12.

Avantageusement l'organe de retenue 26 est en métal, par exemple en aluminium.Advantageously, the retaining member 26 is made of metal, for example aluminum.

La réglette 50 de l'organe de retenue 26 comprend au moins une fente 56 transverse de passage dans laquelle l'organe de fixation 54 est propre à s'insérer.The strip 50 of the retaining member 26 comprises at least one transverse passage slot 56 into which the fixing member 54 can be inserted.

Le bras inférieur 52 en saillie s'étend à partir de la réglette 50 vers le bas. Il comprend une ailette supérieure 53 faisant saillie à partir du bras inférieur 52 vers l'axe A-A' et une ailette inférieure 55 faisant saillie à partir du bras inférieur 52 à l'opposé de l'axe A-A'.The projecting lower arm 52 extends from the strip 50 downwards. It comprises an upper fin 53 protruding from the lower arm 52 towards the axis A-A 'and a lower fin 55 protruding from the lower arm 52 opposite the axis A-A'.

L'ailette supérieure 53 définit une butée latérale supérieure 58.The upper fin 53 defines an upper lateral stop 58.

L'ailette inférieure 55 définit une butée latérale inférieure 60.The lower fin 55 defines a lower lateral stop 60.

La butée latérale supérieure 58 et la butée latérale inférieure 60 s'étendent longitudinalement parallèlement à l'axe A-A'. Le bras inférieur 52 définit en outre, sous la butée latérale inférieure 60, des surfaces transversales de butée 59 orthogonales à l'axe A-A'.The upper lateral stop 58 and the lower lateral stop 60 extend longitudinally parallel to the axis A-A '. The lower arm 52 further defines, under the lower lateral stop 60, transverse stop surfaces 59 orthogonal to the axis A-A '.

L'organe de fixation 54 est propre à être monté entre une configuration fixée sur le plafond dans laquelle l'organe de fixation 54 s'insère dans la fente 56 et maintient la réglette 50 en contact avec le plafond 12 et une configuration démontée dans laquelle l'organe de fixation 54 est à l'écart de la fente 56.The fixing member 54 is suitable for being mounted between a configuration fixed to the ceiling in which the fixing member 54 fits into the slot 56 and maintains the strip 50 in contact with the ceiling 12 and a disassembled configuration in which the fixing member 54 is away from the slot 56.

Dans la configuration fixée sur le plafond, l'organe de retenue 26 est mobile en translation perpendiculairement à l'axe A-A' entre une position de retenue de la charnière 38 dans laquelle le bras inférieur 52 s'étend dans l'échancrure 42 de la charnière 38 et une position de libération de la charnière 38 dans laquelle la bras inférieur 52 est disposé à l'écart de l'échancrure 42 de la charnière 38.In the configuration fixed to the ceiling, the retaining member 26 is movable in translation perpendicular to the axis AA 'between a retaining position of the hinge 38 in which the lower arm 52 extends in the notch 42 of the hinge 38 and a release position of the hinge 38 in which the lower arm 52 is disposed away from the notch 42 of the hinge 38 .

En référence à la Figure 3, l'organe de retenue 26 est propre à passer de la position de retenue de la charnière 38 à la position de libération de la charnière 38 par translation de la réglette 50 transversalement par rapport à l'axe A-A' par rapport à l'organe de fixation 54 lorsque le cache 18 est dans sa position démontée.With reference to the Figure 3 , the retaining member 26 is able to pass from the retaining position of the hinge 38 to the position of release of the hinge 38 by translation of the strip 50 transversely with respect to the axis AA 'with respect to the member fixing 54 when the cover 18 is in its disassembled position.

En référence à la Figure 2, dans la position de retenue, lorsque le cache 18 est dans sa position montée, le crochet 40 est bloqué en translation le long de l'axe A-A' contre les surfaces transversales de butée 59 orthogonales à l'axe A-A' de l'organe de retenue 26. Le bord supérieur 35 de la voûte 22 est placé contre la butée latérale inférieure 60 de l'organe de retenue 26. L'organe de retenue 26 bloque alors la voûte 22 en translation le long de l'axe A-A' dans au moins un sens et en rotation autour de l'axe A-A' vers le plafond 12.With reference to the Figure 2 , in the retained position, when the cover 18 is in its mounted position, the hook 40 is blocked in translation along the axis AA 'against the transverse stop surfaces 59 orthogonal to the axis AA' of the member 26. The upper edge 35 of the arch 22 is placed against the lower lateral stop 60 of the retaining member 26. The retaining member 26 then blocks the arch 22 in translation along the axis AA 'in at least one direction and in rotation around the axis AA 'towards the ceiling 12.

En référence à la Figure 3, dans la position de retenue, lorsque le cache 18 est dans sa position démontée, le crochet 40 est toujours bloqué en translation selon l'axe A-A' contre les surfaces transversales de butée 59 orthogonales à l'axe A-A' de l'organe de retenue 26. La butée de calage 45 du crochet 40 est calée contre la butée latérale supérieure 58 de l'organe de retenue 26. L'organe de retenue 26 bloque alors la voûte 22 en translation le long de l'axe A-A' dans au moins un sens et en rotation autour de l'axe A-A' à l'écart du plafond 12. Le crochet 40 ne peut alors se désengager du rail 32.With reference to the Figure 3 , in the retained position, when the cover 18 is in its dismantled position, the hook 40 is still locked in translation along the axis AA 'against the transverse stop surfaces 59 orthogonal to the axis AA' of the retainer 26. The wedging stop 45 of the hook 40 is wedged against the upper lateral stop 58 of the retaining member 26. The retaining member 26 then blocks the arch 22 in translation along the axis AA 'in at less one direction and in rotation around the axis AA 'away from the ceiling 12. The hook 40 cannot then be disengaged from the rail 32.

En référence aux Figures 1 à 3, on décrit à présent le fonctionnement du cache 18 de plafond 12 selon l'invention. En particulier, on décrit le montage et le démontage d'un tel cache 18 de plafond 12.With reference to Figures 1 to 3 , we now describe the operation of the ceiling cover 18 12 according to the invention. In particular, the assembly and disassembly of such a ceiling cover 12 are described.

Dans la position montée de la voûte 22 de plafond 12, le crochet 40 de la charnière 38 est engagé sur le rail 32 du premier support 20 de rétention. L'organe de montage 46 du bord inférieur 36 de la voûte 22 est monté dans le réceptacle de montage 34 du deuxième support 24 de rétention. La voûte 22 est inclinée par rapport à l'horizontale entre le plafond 12 et la paroi latérale 14 du véhicule.In the mounted position of the vault 22 of the ceiling 12, the hook 40 of the hinge 38 is engaged on the rail 32 of the first retention support 20. The mounting member 46 of the lower edge 36 of the arch 22 is mounted in the mounting receptacle 34 of the second retention support 24. The arch 22 is inclined relative to the horizontal between the ceiling 12 and the side wall 14 of the vehicle.

Par ailleurs, la voûte 22 masque les éléments techniques 16 vers le bas. Elle empêche l'accès à ces éléments depuis le bas de l'habitacle.Furthermore, the vault 22 hides the technical elements 16 downwards. It prevents access to these elements from the bottom of the passenger compartment.

En référence à la Figure 2, l'organe de retenue 26 est inséré dans l'échancrure 42 avec son bras inférieur 52 qui s'étend dans l'échancrure 42. La butée latérale inférieure 60 du bras inférieur 52 limite la rotation de la voûte 22 autour de l'axe A-A' vers le plafond.With reference to the Figure 2 , the retaining member 26 is inserted into the notch 42 with its lower arm 52 which extends in the notch 42. The lower lateral stop 60 of the lower arm 52 limits the rotation of the arch 22 around the axis AA 'towards the ceiling.

Pour passer de la position montée de la voûte 22 à la position démontée de la voûte 22, l'organe de montage 46 du bord inférieur 36 est démonté du réceptacle de montage 34 situé sur le deuxième support 24 de rétention.To go from the mounted position of the arch 22 to the dismantled position of the arch 22, the mounting member 46 of the lower edge 36 is removed from the mounting receptacle 34 located on the second retention support 24.

La voûte 22 est alors entrainée en rotation autour de l'axe A-A' à l'écart de la paroi latérale 14 par l'intermédiaire de la charnière 38 qui pivote dans la rigole 30. La voûte 22 s'étend alors verticalement en étant suspendue au rail 32.The arch 22 is then driven in rotation around the axis AA 'away from the side wall 14 by means of the hinge 38 which pivots in the channel 30. The arch 22 then extends vertically while being suspended. to rail 32.

En référence à la Figure 3, la butée de calage 45 de la charnière 38 est bloquée en rotation autour de l'axe A-A' contre la butée latérale supérieure 58 du bras inférieur 52. La voûte 22 est alors limitée en rotation autour de l'axe A-A' à l'écart de la paroi latérale 14, ce qui empêche le désengagement du crochet 40 à l'écart du rail 32.With reference to the Figure 3 , the wedging stop 45 of the hinge 38 is locked in rotation around the axis AA 'against the upper lateral stop 58 of the lower arm 52. The arch 22 is then limited in rotation around the axis AA' to the away from the side wall 14, which prevents disengagement of the hook 40 away from the rail 32.

La voûte 22 s'étend alors sensiblement verticalement, et un passage est défini entre la voûte 22 et la paroi latérale 14 pour accéder aux éléments techniques 16 depuis le bas de l'habitacle.The arch 22 then extends substantially vertically, and a passage is defined between the arch 22 and the side wall 14 to access the technical elements 16 from the bottom of the passenger compartment.

En référence à la Figure 3, si la voûte 22 doit être totalement démontée, dans la position démontée, l'organe de retenue 26 est passé de la position de retenue de la charnière 38 à la position de libération de la charnière 38 par translation de l'organe de retenue 26 perpendiculairement à l'axe A-A' à l'écart de la charnière 38. La voûte 22 est alors désolidarisée du premier support de rétention 20 en soulevant la charnière 38 pour l'extraire hors de la rigole 30.With reference to the Figure 3 , if the vault 22 must be completely dismantled, in the dismantled position, the retaining member 26 is passed from the retaining position of the hinge 38 to the release position of the hinge 38 by translation of the retaining member 26 perpendicular to the axis AA 'away from the hinge 38. The arch 22 is then detached from the first retention support 20 by lifting the hinge 38 to extract it from the channel 30.

Lorsqu'un agent de maintenance désire avoir accès à l'élément technique 16 alors que la cache 18 est en position montée, il lui suffit donc de démonter l'organe de montage 46 du bord inférieur 36 et de laisser la gravité entrainer la voûte 22 en rotation autour de l'axe A-A', la voûte 22 étant suspendue au rail 32. L'organe de retenue 26 retient la voûte 22 et évite sa chute.When a maintenance agent wishes to have access to the technical element 16 while the cover 18 is in the mounted position, it is therefore sufficient for him to remove the mounting member 46 from the lower edge 36 and to let gravity drive the vault 22. in rotation around the axis A-A ', the arch 22 being suspended from the rail 32. The retaining member 26 retains the arch 22 and prevents it from falling.

L'invention propose donc un cache 18 de plafond dont la fixation dans l'habitacle 10 du véhicule nécessite peu de pièces grâce à la présence d'une charnière 38 venue de matière avec la voûte 22. Le cache 18 de plafond selon l'invention est monté et démonté en ne détachant que les attaches sur les parois latérales 14, ce qui représente un gain de temps significatif pour un agent de maintenance. En outre, l'organe de retenue 26 sécurise le cache 18 de plafond et empêche sa chute inopinée.The invention therefore proposes a ceiling cover 18, the fixing of which in the passenger compartment 10 of the vehicle requires few parts thanks to the presence of a hinge 38 integral with the arch 22. The ceiling cover 18 according to the invention is assembled and disassembled by detaching only the fasteners on the side walls 14, which represents a significant time saving for a maintenance agent. In addition, the retainer 26 secures the ceiling cover 18 and prevents it from falling unexpectedly.

Claims (10)

Cache (18) de plafond (12) d'un véhicule, le cache (18) comprenant - une voûte (22), - au moins un premier support (20) de rétention destiné à être monté sur le plafond (12), - au moins un deuxième support (24) de rétention destiné à être monté sur une paroi latérale (14) du véhicule, le premier support (20) de rétention comprenant une rigole (30) s'étendant selon un axe horizontal (A-A'),
la voûte (22) présentant un bord supérieur (35) et un bord inférieur (36), le bord supérieur (35) comprenant une charnière (38) s'étendant horizontalement, le bord inférieur (36) étant muni d'un organe de montage (46) propre à être retenu par le deuxième support (24) de rétention,
la charnière (38) étant montée rotative autour de l'axe horizontal (A-A') sur le premier support (20) dans la rigole (30) entre une position montée de la voûte (22) dans laquelle le bord inférieur (36) est retenu sur le deuxième support (24) de rétention par l'organe de montage (46) et une position démontée de la voûte (22) dans laquelle le bord inférieur (36) est disposé à l'écart du deuxième support (24) de rétention
caractérisé en ce que la charnière (38) est venue de matière avec la voûte (22), le cache (18) comportant au moins un organe de retenue (26) de la charnière (38) dans la rigole (30), destiné à être monté dans le plafond (12), l'organe de retenue (26) étant mobile par rapport à la charnière (38) entre une position de retenue de la charnière (38) dans la rigole (30) et une position de libération de la charnière (38).Cover (18) for the ceiling (12) of a vehicle, the cover (18) comprising - a vault (22), - at least a first retention support (20) intended to be mounted on the ceiling (12), - at least one second retention support (24) intended to be mounted on a side wall (14) of the vehicle, the first retention support (20) comprising a channel (30) extending along a horizontal axis (A-A '),
the arch (22) having an upper edge (35) and a lower edge (36), the upper edge (35) comprising a hinge (38) extending horizontally, the lower edge (36) being provided with a member of assembly (46) suitable for being retained by the second retention support (24),
the hinge (38) being rotatably mounted about the horizontal axis (A-A ') on the first support (20) in the channel (30) between a mounted position of the arch (22) in which the lower edge (36 ) is retained on the second retaining support (24) by the mounting member (46) and a disassembled position of the arch (22) in which the lower edge (36) is disposed away from the second support (24 ) retention
characterized in that the hinge (38) is integral with the arch (22), the cover (18) comprising at least one retaining member (26) of the hinge (38) in the channel (30), intended to be mounted in the ceiling (12), the retainer (26) being movable relative to the hinge (38) between a retaining position of the hinge (38) in the channel (30) and a release position of the hinge (38). Cache (18) de plafond (12) selon la revendication 1, dans lequel la charnière (38) comporte au moins un crochet (40) s'ouvrant vers le bas, le premier support (20) de rétention comportant un rail (32) faisant saillie vers le haut, le crochet (40) étant engagé sur le rail (32).Ceiling cover (18) (12) according to claim 1, in which the hinge (38) comprises at least one hook (40) opening downwards, the first retention support (20) comprising a rail (32) projecting upwards, the hook (40) being engaged on the rail (32). Cache (18) de plafond (12) selon l'une quelconque des revendications précédentes, dans lequel la charnière (38) comprend au moins une échancrure (42), et au moins une région de butée (44) limitant l'échancrure (42) le long d'un bord libre de la charnière (38).Ceiling cover (18) (12) according to any one of the preceding claims, wherein the hinge (38) comprises at least one notch (42), and at least one stop region (44) limiting the notch (42). ) along a free edge of the hinge (38). Cache (18) de plafond (12) selon la revendication 3, dans lequel l'organe de retenue (26) s'insère dans l'échancrure (42) dans la position de retenue, la coopération entre la région de butée (44) et l'organe de retenue (26) bloquant la voûte (22) en translation le long de l'axe horizontal (A-A') dans au moins un sens.Ceiling cover (18) (12) according to claim 3, wherein the retaining member (26) fits into the notch (42) in the retaining position, the cooperation between the abutment region (44) and the retaining member (26) locking the arch (22) in translation along the horizontal axis (A-A ') in at least one direction. Cache (18) de plafond (12) selon la revendication 4, dans lequel l'organe de retenue (26) est monté mobile en translation perpendiculairement à l'axe horizontal (A-A') entre une position de retenue de la charnière (38) dans laquelle l'organe de retenue (26) est inséré dans l'échancrure (42) et une position de libération de la charnière (38) dans laquelle l'organe de retenue (26) est à l'écart de l'échancrure (42).Ceiling cover (18) (12) according to claim 4, wherein the retaining member (26) is mounted movable in translation perpendicular to the horizontal axis (A-A ') between a retaining position of the hinge ( 38) in which the retainer (26) is inserted in the notch (42) and a release position of the hinge (38) in which the retainer (26) is away from the cutout (42). Cache (18) de plafond (12) selon l'une quelconque des revendications précédentes, dans lequel l'organe de retenue (26) comprend une butée de calage (45) de la voûte (22) dans sa position démontée.Ceiling cover (18) (12) according to any one of the preceding claims, in which the retaining member (26) comprises a wedging stop (45) of the arch (22) in its disassembled position. Cache (18) de plafond (12) selon l'une quelconque des revendications précédentes, dans lequel l'organe de retenue (26) comprend une réglette (50) et au moins un organe de fixation (54) au plafond (12), la réglette (50) définissant au moins une fente de passage (56) de l'organe de fixation (54), l'organe de retenue (26) étant propre à être monté sur le plafond (12).Ceiling cover (18) (12) according to any one of the preceding claims, in which the retaining member (26) comprises a strip (50) and at least one fixing member (54) to the ceiling (12), the strip (50) defining at least one passage slot (56) of the fixing member (54), the retaining member (26) being suitable for being mounted on the ceiling (12). Cache (18) de plafond (12) selon la revendication 7, dans lequel l'organe de retenue (26) comprend un bras inférieur (52) s'étendant en saillie à partir de la réglette (50), le bras inférieur (52) comprenant deux butées (58, 60), la voûte (22) étant limitée en rotation, dans les deux sens de rotation, par les deux butées.Ceiling cover (18) (12) according to claim 7, wherein the retaining member (26) comprises a lower arm (52) projecting from the strip (50), the lower arm (52) ) comprising two stops (58, 60), the arch (22) being limited in rotation, in both directions of rotation, by the two stops. Cache (18) de plafond (12) selon l'une quelconque des revendications précédentes, dans lequel la voûte (22) est constituée de matière thermoplastique.Ceiling cover (18) (12) according to any one of the preceding claims, in which the arch (22) is made of thermoplastic material. Cache (18) de plafond (12) selon l'une quelconque des revendications précédentes, dans lequel la voûte (22) s'étend verticalement en étant suspendue à la rigole (30) dans la position démontée et dans lequel la voûte (22) est inclinée par rapport à l'horizontale entre le plafond (12) et une paroi latérale (14) du véhicule dans la position montée.Ceiling cover (18) (12) according to any preceding claim, wherein the arch (22) extends vertically by being suspended from the trough (30) in the disassembled position and wherein the arch (22) is inclined relative to the horizontal between the ceiling (12) and a side wall (14) of the vehicle in the mounted position.
EP20209964.4A 2019-11-26 2020-11-26 Concealed ceiling panel with built-in hinge Withdrawn EP3828053A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR1913257A FR3103441B1 (en) 2019-11-26 2019-11-26 Ceiling cover with integrated hinge

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EP3828053A1 true EP3828053A1 (en) 2021-06-02

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FR (1) FR3103441B1 (en)

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3310051A1 (en) * 1983-03-19 1984-09-27 Daimler-Benz Ag, 7000 Stuttgart Attachment for planar panelling components, flaps or the like, in particular for fitting out the interior of buses
DE4132360A1 (en) * 1991-09-27 1993-04-08 Linke Hofmann Busch Internal lining for ceiling area of rail vehicles - has removable pivot bearing to mount cover panel on longitudinal profile on roof
EP2691280A1 (en) * 2011-03-30 2014-02-05 Bombardier Transportation GmbH Flap with catching safeguard
DE102017215342A1 (en) * 2017-09-01 2019-03-07 Siemens Aktiengesellschaft unit

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3310051A1 (en) * 1983-03-19 1984-09-27 Daimler-Benz Ag, 7000 Stuttgart Attachment for planar panelling components, flaps or the like, in particular for fitting out the interior of buses
DE4132360A1 (en) * 1991-09-27 1993-04-08 Linke Hofmann Busch Internal lining for ceiling area of rail vehicles - has removable pivot bearing to mount cover panel on longitudinal profile on roof
EP2691280A1 (en) * 2011-03-30 2014-02-05 Bombardier Transportation GmbH Flap with catching safeguard
DE102017215342A1 (en) * 2017-09-01 2019-03-07 Siemens Aktiengesellschaft unit

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FR3103441A1 (en) 2021-05-28

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