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EP2330010A1 - Seat for a ski-lift facility - Google Patents

Seat for a ski-lift facility Download PDF

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Publication number
EP2330010A1
EP2330010A1 EP10290513A EP10290513A EP2330010A1 EP 2330010 A1 EP2330010 A1 EP 2330010A1 EP 10290513 A EP10290513 A EP 10290513A EP 10290513 A EP10290513 A EP 10290513A EP 2330010 A1 EP2330010 A1 EP 2330010A1
Authority
EP
European Patent Office
Prior art keywords
seat
axis
guardrail
relative
fixed
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.)
Granted
Application number
EP10290513A
Other languages
German (de)
French (fr)
Other versions
EP2330010B1 (en
Inventor
Philippe Martin
Franckie Tamisier
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.)
Poma SA
Original Assignee
Pomagalski SA
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 Pomagalski SA filed Critical Pomagalski SA
Publication of EP2330010A1 publication Critical patent/EP2330010A1/en
Application granted granted Critical
Publication of EP2330010B1 publication Critical patent/EP2330010B1/en
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B61—RAILWAYS
    • B61B—RAILWAY SYSTEMS; EQUIPMENT THEREFOR NOT OTHERWISE PROVIDED FOR
    • B61B12/00—Component parts, details or accessories not provided for in groups B61B7/00 - B61B11/00
    • B61B12/002—Cabins; Ski-lift seats

Definitions

  • the invention relates to the field of seats for teleported installations, also called chair lifts.
  • Such seats are connected to a carrying aerial cable and tractor and are intended to receive passengers that it is safe to transport whatever the weather conditions and especially the positions of the seat and / or the movements that passengers are likely to perform during their transportation.
  • the invention therefore relates to a seat for example for a lift installation, consisting of a backrest and a seat and further comprising a support arch intended to be connected to a carrying cable, and a guardrail pivotally mounted vis-à-vis the seat between a lowered position and a raised position and including a horizontal bar.
  • the guardrail constitutes the prohibiting element in the lowered position any movement of the body of the passenger, and guaranteeing it an effective restraint in case of significant tilt of the seat during transport.
  • the guardrail must also be removed from this position as soon as the transport ends, and this in a way that is both effective, fast and easy for the passenger.
  • the guardrail which is an essential safety feature of chairlift seats, must be of reliable and simple use for the passenger.
  • EP 0 242 242 discloses a chairlift having seats coupled in line with an overhead cable.
  • Each seat is here coupled to the carrier cable via a hanger by a detachable fastener, which itself carries a metal frame of a seat back.
  • a railing is articulated at a point on the back of the seat back and is biased in the open position by a tension spring and / or a counterweight.
  • the railing has a horizontal bar at the front of the passenger during transport.
  • the horizontal bar pivots about a fixed axis relative to the frame, and describes in a lateral plane to the seat a circle whose center is defined by the points of articulation of the guardrail on the seat back.
  • the horizontal bar in the lowered position must be positioned at a short distance from the seat to ensure its protective function, particularly for a child, while on the other hand, it must be erased in the raised position at a sufficient distance from the head of the largest user, while remaining, on its trajectory between the two extreme positions, at a distance allowing the average user to hold it in hand to guide her. It follows that the choice of the positioning of the articulations defining the fixed axis of rotation of the guard to the body relative to the chassis is sometimes difficult and that compromises must be found.
  • the invention aims to overcome the disadvantages of the state of the art and in particular to provide a chair for chairlifts with a railing easy handling.
  • a seat for a teleported installation comprising a seat, a backrest, a hoop-support intended to be connected to a carrying cable, a guardrail and a tilting device for tilting the guardrail vis-à-vis -vis the support arch between a lowered position and a raised position in a plane movement to a degree of freedom.
  • the tilting device is arranged so that when the guardrail tilts between the lowered position and the raised position, the railing pivots about an instantaneous axis of rotation which moves relative to the support arch perpendicular to itself.
  • plane motion we mean a movement in which all the points of the solid constituted by the railing have an instant velocity vector which remain, throughout the trajectory, parallel to a fixed reference plane relative to the support arch.
  • This reference plane is in practice a transverse plane of the seat.
  • the displacement of the instantaneous axis is greater than 5 cm, and more generally between 5 and 15 cm, between the extreme positions lowered and raised.
  • the displacement of the instantaneous axis of rotation forward is greater than 5 cm, for example of the order of 5 to 15 cm. It is of the same order of magnitude upwards.
  • the trajectory of the instantaneous axis of rotation can be quasi-circular.
  • the tilting device comprises at least a first articulation mechanism comprising a first link pivoting about a first fixed axis relative to the support arch and a first fixed axis relative to the guardrail, and a second link pivoting about a second fixed axis relative to the support arch and a second axis fixed relative to the guardrail.
  • both rods comprise, with the support arch and the railing, an articulated quadrilateral, whose four vertices or pivots are formed by the four pivot axes of the two links, which are all parallel to the transverse reference axis.
  • This mechanism allows the desired movement to be achieved by extremely simple and robust means.
  • the fixed axes relative to the support arch can be located relatively low, that is to say close to the seat, without affecting the release of the guardrail up in the raised position.
  • the first fixed pivot axis relative to the support arch and the second pivot axis fixed relative to the support arch are spaced a distance d1.
  • the first fixed pivot axis with respect to the guardrail and the second fixed pivot axis with respect to the railing are spaced apart by a distance d2 different from d1, which reflects the fact that the articulated quadrilateral is not a parallelogram.
  • the distance d1 is greater than the distance d2.
  • the distances d1 and d2 can be between 5 cm and 15 cm.
  • the dimensions of the rods are different.
  • the rods do not cross at any point of their trajectory, when the guardrail passes from the lowered position to the raised position.
  • the dimensions of the links and the spacing of the axes of rotation are such that, in the lowered position, the first fixed axis of pivoting relative to the railing is situated in the plane defined by the second fixed pivot axis. relative to the guardrail and the second pivot axis fixed relative to the support arch, or at a distance from this plane less than 2 cm.
  • the dimensions of the rods and the spacing of the axes of rotation are such that, in the raised position, the second axis of fixed pivoting relative to the railing is situated in the plane defined by the first fixed pivot axis. relative to the guardrail and the first pivot axis fixed relative to the support arch, or at a distance from this plane less than 2 cm.
  • the railing comprises at least one transverse bar extending from a first lateral end of the seat to a second lateral end of the seat.
  • the first hinge mechanism is disposed at a lateral end of the seat
  • the tilting device further comprises a second articulation mechanism identical to the first hinge mechanism and disposed at the other lateral end of the seat.
  • the rods can be attached directly or indirectly to the support arch on the one hand and the guardrail on the other hand. Fixing can be done for example by means of fixing plates, provided with bores defining the axes of rotation. On the side of the support arch, the attachment can be performed on the arch itself or on the side of the seat back, itself fixed relative to the support arch.
  • the railing comprises at least one support device serving as footrest or ski rest.
  • the figure 1 shows a simplified side view of a seat according to the invention, consisting of a seat 1 and a backrest 2.
  • a support arch 3 also serves as connecting piece between the seat and a carrier cable not shown.
  • the hoop 3 is itself connected to an intermediate piece called hanger directly coupled to the support cable, via a disengageable clip or not.
  • the hanger thus carries the arch or frame 3, generally metallic, of the seat itself.
  • the frame or arch 3 may constitute the frame of the backrest 2, a lower support 30 for the seat 1, and an armrest 31.
  • the seat can be fixed or tilting relative to the hoop.
  • the frame or arch 3 may consist of a metal tube of appropriate size.
  • a railing 4 is provided, mounted swinging vis-à-vis the hoop, more precisely between a so-called lowered position and a so-called raised position.
  • the lowered position corresponds to that shown in dark lines on the figure 1
  • the raised position corresponds to that visible in lighter lines.
  • the railing 4 is provided with a horizontal bar 5 disposed in lowered position in front of the passenger, at height, to prevent it from sliding towards the front of the seat.
  • the guardrail comprises at least a first tubular element 6 which extends from the horizontal bar 5 towards the lower part of the seat and which generally ends with a footrest 60. When the railing 4 is in the lowered position, the tubular element 6 bears against the seat 1 of the seat.
  • the railing 4 comprises a second tubular element 7 associated with a tilting device 8 which will be described in more detail in connection with the figure 2 .
  • the tilting device is shown in bold lines in the lowered position, and in lighter lines the device in the raised position. More specifically, the second tubular element is referenced 7 in the lowered position, and 7 'in the raised position.
  • a piece or tab 80 is fixed on the second tubular element 7; it comprises a first 81 and a second 82 bores each respectively engaged in a first and second material axis of a first 9 and a second 10 link.
  • each link 9, 10 consists of a material axis engaged in a first 83 and a second 84 respectively bore of a part or leg 85 linked to the backrest 2.
  • the distance d1 between the axes of rotation defined by the bores 83 and 84 of the tab 85 is chosen to be greater than the distance d2 between the axes of rotation defined by the bores 81 and 82 of the tab 80.
  • the plates or legs 80, 85 are parallel to each other and belong to a lateral plane of the seat.
  • the instantaneous axis of rotation of the railing with respect to the fixed reference frame constituted by the support arch is the intersection of the plane containing the axes defined by the bores 81 and 83, that is to say the axes of rotation of the rod 9, and the plane containing the axes defined by the bores 82 and 84, that is to say the axes of rotation of the rod 10. It is observed that in the lowered position, the axes of the bores 81, 82 and 84 are coplanar, the bore 82 being located between the two others. In this position, the instantaneous axis of rotation of the railing relative to the support arch coincides with the axis of the bore 81.
  • the axes of the bores 81 and 82 are coplanar with the axis of the bore 83, the bore 81 being located between the two others.
  • the instantaneous axis of rotation of the railing relative to the support arch is coincident with the axis of the bore 82.
  • Naturally end stops ensure that the guardrail does not leave its range of motion between the lowered position and the raised position.
  • the movement of the guardrail and / or its retention in the raised position can, if necessary, be facilitated by a counterweight and / or spring device.
  • the movement can, if necessary, be motorized or automated, for example by a cam system at the entrance of the station seat.
  • the tilting is not performed by rotation of the railing 4 around a fixed center of rotation (as is known), but by a relative movement of two rods 9, 10 respectively associated with an element 7 of the guardrail 4 and the support arch, the movement of the railing is optimal for ergonomics of use.
  • the horizontal bar 5 of the railing 4 describes a non-circular movement in a lateral plane of the seat.
  • C is the known circular trajectory of the horizontal bar 5 around a single center of rotation O considering a bar profile 5 'drawn in phantom; I is the trajectory of this same bar 5 according to the invention.
  • the trajectory obtained according to the invention substantially improves the tilting of the guard rail 4, both in the direction of the opening and in that of the closure.

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  • Engineering & Computer Science (AREA)
  • Transportation (AREA)
  • Mechanical Engineering (AREA)
  • Seats For Vehicles (AREA)
  • Refuge Islands, Traffic Blockers, Or Guard Fence (AREA)

Abstract

The seat has a tilting device (8) for tilting a guardrail (4) against a support arch (3) between a lowered position and raised position. The tilting device is arranged in a manner so that the guardrail pivots around a rotation instantaneous axis, when the guardrail is tilted between the lowered position and raised position. The rotation instantaneous axis is displaced with respect to the support arch.

Description

DOMAINE TECHNIQUE DE L'INVENTIONTECHNICAL FIELD OF THE INVENTION

L'invention se rapporte au domaine des sièges pour installations téléportées, encore appelés télésièges.The invention relates to the field of seats for teleported installations, also called chair lifts.

De tels sièges sont reliés à un câble aérien porteur et tracteur et sont destinés à recevoir des passagers qu'il s'agit de transporter en toute sécurité quelles que soient les conditions atmosphériques et surtout les positions du siège et/ou les mouvements que les passagers sont susceptibles d'effectuer pendant leur transport.Such seats are connected to a carrying aerial cable and tractor and are intended to receive passengers that it is safe to transport whatever the weather conditions and especially the positions of the seat and / or the movements that passengers are likely to perform during their transportation.

L'invention est donc relative à un siège par exemple pour une installation de remontée mécanique, constitué d'un dossier et d'une assise et comprenant en outre un arceau-support destiné à être relié à un câble porteur, et un garde-corps monté basculant vis-à-vis du siège entre une position abaissée et une position relevée et doté notamment d'une barre horizontale.The invention therefore relates to a seat for example for a lift installation, consisting of a backrest and a seat and further comprising a support arch intended to be connected to a carrying cable, and a guardrail pivotally mounted vis-à-vis the seat between a lowered position and a raised position and including a horizontal bar.

ETAT DE LA TECHNIQUE ANTERIEURESTATE OF THE PRIOR ART

On connaît de nombreux sièges de ce type dans lesquels le garde-corps constitue l'élément interdisant en position abaissée tout mouvement du corps du passager, et lui garantissant une retenue efficace en cas de basculement important du siège pendant son transport. Le garde-corps doit en outre pouvoir être écarté de cette position dès que le transport se termine, et ce d'une façon à la fois efficace, rapide et aisée pour le passager. En d'autres termes le garde-corps qui est un élément de sécurité essentiel des sièges de télésièges, doit être d'une utilisation fiable et simple pour le passager.Many such seats are known in which the guardrail constitutes the prohibiting element in the lowered position any movement of the body of the passenger, and guaranteeing it an effective restraint in case of significant tilt of the seat during transport. The guardrail must also be removed from this position as soon as the transport ends, and this in a way that is both effective, fast and easy for the passenger. In other words, the guardrail, which is an essential safety feature of chairlift seats, must be of reliable and simple use for the passenger.

On connaît par exemple le document EP 0 242 242 qui divulgue un télésiège ayant des sièges accouplés en ligne à un câble aérien. Chaque siège est ici accouplé au câble porteur via une suspente par une attache débrayable, qui elle-même porte un châssis métallique d'un siège à dossier. De façon connue, un garde-corps est articulé en un point à l'arrière du dossier du siège et est sollicité en position d'ouverture par un ressort de traction et/ou un contrepoids. Le garde-corps est doté d'une barre horizontale placée à l'avant du passager pendant son transport. La barre horizontale pivote autour d'un axe fixe par rapport au châssis, et décrit dans un plan latéral au siège un cercle dont le centre est défini par les points d'articulation du garde-corps sur le dossier du siège.For example, the document is known EP 0 242 242 which discloses a chairlift having seats coupled in line with an overhead cable. Each seat is here coupled to the carrier cable via a hanger by a detachable fastener, which itself carries a metal frame of a seat back. In known manner, a railing is articulated at a point on the back of the seat back and is biased in the open position by a tension spring and / or a counterweight. The railing has a horizontal bar at the front of the passenger during transport. The horizontal bar pivots about a fixed axis relative to the frame, and describes in a lateral plane to the seat a circle whose center is defined by the points of articulation of the guardrail on the seat back.

Le dimensionnement du garde-corps doit donc tenir compte de contraintes difficilement compatibles : d'une part la barre horizontale en position abaissée doit être positionnée à faible distance du siège pour assurer sa fonction de protection, notamment d'un enfant, alors que d'autre part elle doit s'effacer en position relevée à une distance suffisante de la tête de l'usager le plus grand, tout en restant, sur sa trajectoire entre les deux positions extrêmes, à une distance permettant à l'usager moyen de la tenir en main pour la guider. Il s'ensuit que le choix du positionnement des articulations définissant l'axe de rotation fixe du garde au corps par rapport au châssis est parfois difficile et que des compromis doivent être trouvés.The sizing of the railing must therefore take into account constraints that are difficult to reconcile: on the one hand, the horizontal bar in the lowered position must be positioned at a short distance from the seat to ensure its protective function, particularly for a child, while on the other hand, it must be erased in the raised position at a sufficient distance from the head of the largest user, while remaining, on its trajectory between the two extreme positions, at a distance allowing the average user to hold it in hand to guide her. It follows that the choice of the positioning of the articulations defining the fixed axis of rotation of the guard to the body relative to the chassis is sometimes difficult and that compromises must be found.

EXPOSE DE L'INVENTIONSUMMARY OF THE INVENTION

L'invention vise à remédier aux inconvénients de l'état de la technique et notamment à prévoir un siège pour télésièges doté d'un garde-corps de manipulation aisée.The invention aims to overcome the disadvantages of the state of the art and in particular to provide a chair for chairlifts with a railing easy handling.

Pour ce faire est proposé un siège pour une installation téléportée comprenant une assise, un dossier, un arceau-support destiné à être relié à un câble porteur, un garde-corps et un dispositif de basculement pour faire basculer le garde-corps vis-à-vis de l'arceau-support entre une position abaissée et une position relevée dans un mouvement plan à un degré de liberté. Selon l'invention, le dispositif de basculement est arrangé de façon à ce que lorsque le garde-corps bascule entre la position abaissée et la position relevée, le garde-corps pivote autour d'un axe instantané de rotation qui se déplace par rapport à l'arceau-support perpendiculairement à lui-même.To do this is proposed a seat for a teleported installation comprising a seat, a backrest, a hoop-support intended to be connected to a carrying cable, a guardrail and a tilting device for tilting the guardrail vis-à-vis -vis the support arch between a lowered position and a raised position in a plane movement to a degree of freedom. According to the invention, the tilting device is arranged so that when the guardrail tilts between the lowered position and the raised position, the railing pivots about an instantaneous axis of rotation which moves relative to the support arch perpendicular to itself.

Par mouvement plan, on entend un mouvement dans lequel tous les points du solide constitué par le garde-corps ont un vecteur vitesse instantanée qui restent, pendant toute la trajectoire, parallèle à un plan de référence fixe par rapport à l'arceau-support. Ce plan de référence est en pratique un plan transversal du siège.By plane motion, we mean a movement in which all the points of the solid constituted by the railing have an instant velocity vector which remain, throughout the trajectory, parallel to a fixed reference plane relative to the support arch. This reference plane is in practice a transverse plane of the seat.

En faisant en sorte que l'axe instantané de rotation du garde-corps ne soit pas fixe, on peut faire en sorte que le garde-corps soit proche du dossier du siège et de l'assise en position abaissée, et s'efface dans une position haute suffisamment éloignée de l'assise en position relevée.By making sure that the instantaneous axis of rotation of the railing is not fixed, it is possible to ensure that the railing is close to the seat back and the seat in the lowered position, and disappears in a high position sufficiently far from the seat in raised position.

Plus spécifiquement, on fait en sorte que l'axe instantané de rotation du garde-corps par rapport à l'arceau se déplace par rapport à l'arceau-support vers l'avant et vers le haut lorsque le garde-corps se déplace de la position abaissée vers la position relevée. Pour être tout à fait précis, « vers l'avant » signifie ici, comme l'homme du métier l'aura compris, dans la direction vers laquelle le dossier du siège est tourné, alors que « vers le haut » signifie dans la direction vers laquelle l'assise en position opérationnelle est tournée.More specifically, it ensures that the instantaneous axis of rotation of the railing relative to the hoop moves relative to the support hoop forward and upward as the railing moves from the lowered position to the raised position. To be quite precise, "forward" means here, as the skilled person will have understood, in the direction towards which the seat back is turned, while "upward" means in the direction towards which the seat in operative position is rotated.

Dans un mode particulier de réalisation, le déplacement de l'axe instantané est supérieur à 5 cm, et plus généralement entre 5 et 15 cm, entre les positions extrêmes abaissée et relevée. Préférentiellement, le déplacement de l'axe instantané de rotation vers l'avant est supérieur à 5 cm, par exemple de l'ordre de 5 à 15 cm. Il est du même ordre de grandeur vers le haut. La trajectoire de l'axe instantané de rotation peut être quasi-circulaire.In a particular embodiment, the displacement of the instantaneous axis is greater than 5 cm, and more generally between 5 and 15 cm, between the extreme positions lowered and raised. Preferably, the displacement of the instantaneous axis of rotation forward is greater than 5 cm, for example of the order of 5 to 15 cm. It is of the same order of magnitude upwards. The trajectory of the instantaneous axis of rotation can be quasi-circular.

Suivant un mode préféré de l'invention, on fait en sorte que lors du passage de la position abaissée à la position relevée, la trajectoire de tout point du garde-corps par rapport à l'arceau-support soit très proche d'un arc d'ellipse.According to a preferred embodiment of the invention, it is ensured that during the transition from the lowered position to the raised position, the trajectory of any point of the railing relative to the support arch is very close to an arc. ellipse.

Selon un mode préféré de réalisation, le dispositif de basculement comprend au moins un premier mécanisme d'articulation comportant une première biellette pivotant autour d'un premier axe fixe par rapport à l'arceau-support et d'un premier axe fixe par rapport au garde-corps, et une deuxième biellette pivotant autour d'un deuxième axe fixe par rapport à l'arceau-support et d'un deuxième axe fixe par rapport au garde-corps. On comprend que les deux biellettes composent, avec l'arceau-support et le garde-corps, un quadrilatère articulé, dont les quatre sommets ou pivots sont formés par les quatre axes de pivotement des deux biellettes, qui sont tous parallèles à l'axe transversal de référence.According to a preferred embodiment, the tilting device comprises at least a first articulation mechanism comprising a first link pivoting about a first fixed axis relative to the support arch and a first fixed axis relative to the guardrail, and a second link pivoting about a second fixed axis relative to the support arch and a second axis fixed relative to the guardrail. We understand that both rods comprise, with the support arch and the railing, an articulated quadrilateral, whose four vertices or pivots are formed by the four pivot axes of the two links, which are all parallel to the transverse reference axis.

Ce mécanisme permet de réaliser le mouvement recherché par des moyens extrêmement simples et robustes. Les axes fixes par rapport à l'arceau-support peuvent être situés relativement bas, c'est-à-dire proche de l'assise du siège, sans nuire à un dégagement du garde-corps vers le haut en position relevée.This mechanism allows the desired movement to be achieved by extremely simple and robust means. The fixed axes relative to the support arch can be located relatively low, that is to say close to the seat, without affecting the release of the guardrail up in the raised position.

Le premier axe de pivotement fixe par rapport à l'arceau-support et le deuxième axe de pivotement fixe par rapport à l'arceau-support sont espacés d'une distance d1. Le premier axe de pivotement fixe par rapport au garde-corps et le deuxième axe de pivotement fixe par rapport au garde-corps sont espacés d'une distance d2 différente de d1, ce qui traduit le fait que le quadrilatère articulé n'est pas un parallélogramme. Selon un mode de réalisation, la distance d1 est supérieure à la distance d2. Pour fixer les idées, les distances d1 et d2 peuvent être comprises entre 5 cm et 15 cm.The first fixed pivot axis relative to the support arch and the second pivot axis fixed relative to the support arch are spaced a distance d1. The first fixed pivot axis with respect to the guardrail and the second fixed pivot axis with respect to the railing are spaced apart by a distance d2 different from d1, which reflects the fact that the articulated quadrilateral is not a parallelogram. According to one embodiment, the distance d1 is greater than the distance d2. To fix the ideas, the distances d1 and d2 can be between 5 cm and 15 cm.

Alternativement ou cumulativement, les dimensions des biellettes sont différentes.Alternatively or cumulatively, the dimensions of the rods are different.

Selon un mode de réalisation, les biellettes ne se croisent en aucun point de leur trajectoire, lorsque le garde-corps passe de la position abaissée à la position relevée.According to one embodiment, the rods do not cross at any point of their trajectory, when the guardrail passes from the lowered position to the raised position.

Selon un mode de réalisation, les dimensions des biellettes et l'écartement des axes de rotation sont tels qu'en position abaissée le premier axe de pivotement fixe par rapport au garde-corps est situé dans le plan défini par le deuxième axe de pivotement fixe par rapport au garde-corps et le deuxième axe de pivotement fixe par rapport à l'arceau-support, ou à une distance de ce plan inférieure à 2 cm.According to one embodiment, the dimensions of the links and the spacing of the axes of rotation are such that, in the lowered position, the first fixed axis of pivoting relative to the railing is situated in the plane defined by the second fixed pivot axis. relative to the guardrail and the second pivot axis fixed relative to the support arch, or at a distance from this plane less than 2 cm.

Selon un mode de réalisation, les dimensions des biellettes et l'écartement des axes de rotation sont tels qu'en position relevée le deuxième axe de pivotement fixe par rapport au garde-corps est situé dans le plan défini par le premier axe de pivotement fixe par rapport au garde-corps et le le premier axe de pivotement fixe par rapport à l'arceau-support, ou à une distance de ce plan inférieure à 2 cm.According to one embodiment, the dimensions of the rods and the spacing of the axes of rotation are such that, in the raised position, the second axis of fixed pivoting relative to the railing is situated in the plane defined by the first fixed pivot axis. relative to the guardrail and the first pivot axis fixed relative to the support arch, or at a distance from this plane less than 2 cm.

Préférentiellement, le garde-corps comprend au moins une barre transversale s'étendant d'une première extrémité latérale du siège à une deuxième extrémité latérale du siège.Preferably, the railing comprises at least one transverse bar extending from a first lateral end of the seat to a second lateral end of the seat.

Préférentiellement, le premier mécanisme d'articulation est disposé à une extrémité latérale du siège, le dispositif de basculement comporte en outre un deuxième mécanisme d'articulation identique au premier mécanisme d'articulation et disposé à l'autre extrémité latérale du siège.Preferably, the first hinge mechanism is disposed at a lateral end of the seat, the tilting device further comprises a second articulation mechanism identical to the first hinge mechanism and disposed at the other lateral end of the seat.

En pratique, les biellettes peuvent être fixées directement ou indirectement à l'arceau-support d'une part et au garde-corps d'autre part. La fixation peut se faire par exemple par l'intermédiaire de platines de fixation, pourvues d'alésages définissant les axes de rotation. Du côté de l'arceau-support, la fixation peut être effectuée sur l'arceau lui-même ou sur le côté du dossier du siège, lui-même fixe par rapport à l'arceau-support.In practice, the rods can be attached directly or indirectly to the support arch on the one hand and the guardrail on the other hand. Fixing can be done for example by means of fixing plates, provided with bores defining the axes of rotation. On the side of the support arch, the attachment can be performed on the arch itself or on the side of the seat back, itself fixed relative to the support arch.

Avantageusement, le garde-corps comprend au moins un dispositif d'appui servant de repose pied ou repose ski.Advantageously, the railing comprises at least one support device serving as footrest or ski rest.

BREVE DESCRIPTION DES FIGURESBRIEF DESCRIPTION OF THE FIGURES

D'autres caractéristiques, détails et avantages de l'invention ressortiront à la lecture de la description qui suit, en référence aux figures annexées, qui illustrent :

  • la figure 1, une vue schématique en coupe du siège selon un mode préféré de réalisation de l'invention;
  • la figure 2, une vue agrandie du dispositif de basculement selon l'invention.
Other features, details and advantages of the invention will emerge on reading the description which follows, with reference to the appended figures, which illustrate:
  • the figure 1 , a schematic sectional view of the seat according to a preferred embodiment of the invention;
  • the figure 2 , an enlarged view of the tilting device according to the invention.

Pour plus de clarté, les éléments identiques ou similaires sont repérés par des signes de référence identiques sur l'ensemble des figures.For the sake of clarity, identical or similar elements are marked with identical reference signs throughout the figures.

DESCRIPTION DETAILLEE D'UN MODE DE REALISATIONDETAILED DESCRIPTION OF AN EMBODIMENT

La figure 1 montre par une vue latérale simplifiée un siège selon l'invention, constitué d'une assise 1 et d'un dossier 2. Un arceau-support 3 sert en outre de pièce de liaison entre le siège et un câble porteur non représenté. Généralement l'arceau 3 est lui même relié à une pièce intermédiaire appelée suspente directement accouplée au câble support, via une attache débrayable ou non. La suspente porte donc l'arceau ou châssis 3, généralement métallique, du siège lui même.The figure 1 shows a simplified side view of a seat according to the invention, consisting of a seat 1 and a backrest 2. A support arch 3 also serves as connecting piece between the seat and a carrier cable not shown. Generally the hoop 3 is itself connected to an intermediate piece called hanger directly coupled to the support cable, via a disengageable clip or not. The hanger thus carries the arch or frame 3, generally metallic, of the seat itself.

Latéralement le châssis ou arceau 3 peut constituer l'armature du dossier 2, un support inférieur 30 pour l'assise 1, ainsi qu'un accoudoir 31. L'assise peut être montée fixe ou basculante par rapport à l'arceau. Le châssis ou arceau 3 peut être constitué d'un tube métallique de dimension appropriée.Laterally the frame or arch 3 may constitute the frame of the backrest 2, a lower support 30 for the seat 1, and an armrest 31. The seat can be fixed or tilting relative to the hoop. The frame or arch 3 may consist of a metal tube of appropriate size.

Un garde-corps 4 est prévu, monté basculant vis-à-vis de l'arceau, plus précisément entre une position dite abaissée et une position dite relevée.A railing 4 is provided, mounted swinging vis-à-vis the hoop, more precisely between a so-called lowered position and a so-called raised position.

La position abaissée correspond à celle illustrée en traits foncés sur la figure 1, tandis que la position relevée correspond à celle visible en traits plus clairs. De façon connue le garde-corps 4 est doté d'une barre horizontale 5 disposée en position abaissée devant le passager, à hauteur de sa taille, afin de l'empêcher de glisser vers l'avant du siège.The lowered position corresponds to that shown in dark lines on the figure 1 , while the raised position corresponds to that visible in lighter lines. In known manner the railing 4 is provided with a horizontal bar 5 disposed in lowered position in front of the passenger, at height, to prevent it from sliding towards the front of the seat.

Le garde-corps comprend au moins un premier élément tubulaire 6 qui s'étend depuis la barre horizontale 5, vers la partie inférieure du siège et qui se termine généralement par un repose pieds 60. Lorsque le garde-corps 4 est en position abaissée, l'élément tubulaire 6 est en appui contre l'assise 1 du siège.The guardrail comprises at least a first tubular element 6 which extends from the horizontal bar 5 towards the lower part of the seat and which generally ends with a footrest 60. When the railing 4 is in the lowered position, the tubular element 6 bears against the seat 1 of the seat.

Latéralement le garde-corps 4 comprend un deuxième élément tubulaire 7 associé à un dispositif de basculement 8 qui sera décrit plus en détail en relation avec la figure 2.Laterally the railing 4 comprises a second tubular element 7 associated with a tilting device 8 which will be described in more detail in connection with the figure 2 .

Sur la figure 2 on voit en traits gras le dispositif de basculement en position abaissée, et en traits plus clairs le dispositif en position relevée. Plus précisément, le deuxième élément tubulaire est référencé 7 en position abaissée, et 7' en position relevée.On the figure 2 the tilting device is shown in bold lines in the lowered position, and in lighter lines the device in the raised position. More specifically, the second tubular element is referenced 7 in the lowered position, and 7 'in the raised position.

Une pièce ou patte 80 est fixée sur le deuxième élément tubulaire 7 ; il comprend un premier 81 et un deuxième 82 alésages chacun respectivement engagé dans un premier et un deuxième axe matériel d'une première 9 et d'une deuxième 10 biellette.A piece or tab 80 is fixed on the second tubular element 7; it comprises a first 81 and a second 82 bores each respectively engaged in a first and second material axis of a first 9 and a second 10 link.

La seconde extrémité de chaque biellette 9, 10 est constituée d'un axe matériel engagé dans respectivement un premier 83 et un deuxième 84 alésage d'une pièce ou patte 85 liée au dossier 2.The second end of each link 9, 10 consists of a material axis engaged in a first 83 and a second 84 respectively bore of a part or leg 85 linked to the backrest 2.

La distance d1 entre les axes de rotation définis par les alésages 83 et 84 de la patte 85 est choisie supérieure à la distance d2 entre les axes de rotation définis par les alésages 81 et 82 de la patte 80.The distance d1 between the axes of rotation defined by the bores 83 and 84 of the tab 85 is chosen to be greater than the distance d2 between the axes of rotation defined by the bores 81 and 82 of the tab 80.

Les platines ou pattes 80, 85 sont parallèles entre elles et appartiennent à un plan latéral du siège.The plates or legs 80, 85 are parallel to each other and belong to a lateral plane of the seat.

Les pattes et biellettes constituent ensemble un dispositif de basculement 8 permettant au garde-corps 4 de se déplacer entre deux positions, respectivement abaissée et relevée.The tabs and rods together constitute a tilting device 8 allowing the railing 4 to move between two positions, respectively lowered and raised.

A tout instant, l'axe instantané de rotation du garde-corps par rapport au référentiel fixe constitué par l'arceau-support est l'intersection du plan contenant les axes définis par les alésages 81 et 83, c'est-à-dire les axes de rotation de la biellette 9, et du plan contenant les axes définis par les alésages 82 et 84, c'est-à-dire les axes de rotation de la biellette 10. On observe que dans la position abaissée, les axes des alésages 81, 82 et 84 sont coplanaires, l'alésage 82 étant situé entre les deux autres. Dans cette position, l'axe instantané de rotation du garde-corps par rapport à l'arceau-support est confondu avec l'axe de l'alésage 81. En position relevée, les axes des alésages 81 et 82 sont coplanaires avec l'axe de l'alésage 83, l'alésage 81 étant situé entre les deux autres. Dans cette position, l'axe instantané de rotation du garde-corps par rapport à l'arceau-support est confondu avec l'axe de l'alésage 82. Lorsque le garde-corps passe de la position abaissée à la position relevée, l'axe instantané de rotation se déplace donc vers l'avant du siège et vers le haut. La trajectoire de l'axe instantané de rotation, et plus généralement celle du garde-corps, s'inverse lorsque le garde-corps passe de la position relevée à la position abaissée.At any moment, the instantaneous axis of rotation of the railing with respect to the fixed reference frame constituted by the support arch is the intersection of the plane containing the axes defined by the bores 81 and 83, that is to say the axes of rotation of the rod 9, and the plane containing the axes defined by the bores 82 and 84, that is to say the axes of rotation of the rod 10. It is observed that in the lowered position, the axes of the bores 81, 82 and 84 are coplanar, the bore 82 being located between the two others. In this position, the instantaneous axis of rotation of the railing relative to the support arch coincides with the axis of the bore 81. In the raised position, the axes of the bores 81 and 82 are coplanar with the axis of the bore 83, the bore 81 being located between the two others. In this position, the instantaneous axis of rotation of the railing relative to the support arch is coincident with the axis of the bore 82. When the guardrail moves from the lowered position to the raised position, the The instantaneous axis of rotation thus moves towards the front of the seat and upwards. The trajectory of the instantaneous axis of rotation, and more generally that of the railing, is reversed when the guardrail moves from the raised position to the lowered position.

Toutefois cette disposition n'est pas limitative. En effet, un léger décalage peut exister entre les axes dans les deux positions de fin de course.However, this provision is not limiting. Indeed, a slight offset can exist between the axes in the two end positions.

Naturellement des butées de fin de course (non représentées) assurent que le garde-corps ne sorte pas de sa plage de mouvement entre la position abaissée et la position relevée. De manière connue, le mouvement du garde-corps et/ou son maintien en position relevée peuvent le cas échéant être facilités par un dispositif de contrepoids et/ou de ressort. Le mouvement peut le cas échéant être motorisé ou automatisé, par exemple par un système à came à l'entrée du siège en station.Naturally end stops (not shown) ensure that the guardrail does not leave its range of motion between the lowered position and the raised position. In known manner, the movement of the guardrail and / or its retention in the raised position can, if necessary, be facilitated by a counterweight and / or spring device. The movement can, if necessary, be motorized or automated, for example by a cam system at the entrance of the station seat.

Etant donné que le basculement n'est pas réalisé par rotation du garde-corps 4 autour d'un centre de rotation fixe (comme cela est connu), mais par un mouvement relatif de deux biellettes 9, 10 associées respectivement à un élément 7 du garde-corps 4 et à l'arceau-support, le mouvement du garde-corps est optimal pour l'ergonomie d'utilisation. Notamment la barre horizontale 5 du garde-corps 4 décrit un mouvement non circulaire dans un plan latéral du siège.Since the tilting is not performed by rotation of the railing 4 around a fixed center of rotation (as is known), but by a relative movement of two rods 9, 10 respectively associated with an element 7 of the guardrail 4 and the support arch, the movement of the railing is optimal for ergonomics of use. In particular, the horizontal bar 5 of the railing 4 describes a non-circular movement in a lateral plane of the seat.

La figure 1 illustre cette différence si l'on considère les lignes C et I : C est la trajectoire connue, circulaire, de la barre horizontale 5 autour d'un unique centre de rotation O en considérant un profil de barre 5' dessiné en traits mixtes; I est la trajectoire de cette même barre 5 selon l'invention.The figure 1 illustrates this difference if we consider lines C and I: C is the known circular trajectory of the horizontal bar 5 around a single center of rotation O considering a bar profile 5 'drawn in phantom; I is the trajectory of this same bar 5 according to the invention.

La trajectoire obtenue selon l'invention améliore sensiblement le basculement du garde-corps 4, aussi bien dans le sens de l'ouverture que dans celui de la fermeture.The trajectory obtained according to the invention substantially improves the tilting of the guard rail 4, both in the direction of the opening and in that of the closure.

Claims (12)

Siège pour une installation téléportée comprenant une assise (1), un dossier (2), un arceau-support (3) destiné à être relié à un câble porteur, un garde-corps (4) et un dispositif de basculement pour faire basculer le garde-corps vis-à-vis de l'arceau-support entre une position abaissée et une position relevée dans un mouvement plan à un degré de liberté, caractérisé en ce que le dispositif de basculement (8) est arrangé de façon à ce que lorsque le garde-corps (4) bascule entre la position abaissée et la position relevée, le garde-corps (4) pivote autour d'un axe instantané de rotation qui se déplace par rapport à l'arceau-support perpendiculairement à lui-même.Seat for a teleported installation comprising a seat (1), a backrest (2), a support arch (3) intended to be connected to a carrying cable, a railing (4) and a tilting device for tilting the railing with respect to the support arch between a lowered position and a raised position in a plane motion with a degree of freedom, characterized in that the tilting device (8) is arranged in such a way that when the guardrail (4) tilts between the lowered position and the raised position, the railing (4) pivots about an instantaneous axis of rotation which moves relative to the support arch perpendicular to itself . Siège selon la revendication 1 caractérisé en ce que le dispositif de basculement (8) est arrangé de façon à ce que l'axe instantané de rotation se déplace par rapport à l'arceau-support vers l'avant et vers le haut du siège, lorsque le garde-corps se déplace de la position abaissée vers la position relevée.Seat according to Claim 1, characterized in that the tilting device (8) is arranged in such a way that the instantaneous axis of rotation moves relative to the support arch towards the front and towards the top of the seat, when the railing moves from the lowered position to the raised position. Siège selon la revendication 1 ou la revendication 2, caractérisé en ce que l'axe instantané de rotation se déplace de plus de 5 cm par rapport à l'arceau-support lorsque le garde-corps se déplace de la position abaissée vers la position relevée.Seat according to Claim 1 or Claim 2, characterized in that the instantaneous axis of rotation moves more than 5 cm with respect to the support arch when the railing moves from the lowered position to the raised position. . Siège selon l'une quelconque des revendications précédentes, caractérisé en ce que le dispositif de basculement (8) comprend au moins un premier mécanisme articulé comportant une première (9) biellette pivotant autour d'un premier axe fixe par rapport à l'arceau-support et d'un premier axe fixe par rapport au garde-corps (4), et une deuxième (10) biellette pivotant autour d'un deuxième axe fixe par rapport à l'arceau-support et d'un deuxième axe fixe par rapport au garde-corps (4).Seat according to any one of the preceding claims, characterized in that the tilting device (8) comprises at least one first articulated mechanism comprising a first link (9) pivoting about a first fixed axis relative to the hoop support and a first axis fixed relative to the guardrail (4), and a second (10) link pivoting about a second fixed axis relative to the support arch and a second fixed axis relative at the railing (4). Siège selon la revendication 4, caractérisé en ce que le premier axe de pivotement fixe par rapport à l'arceau-support et le deuxième axe de pivotement fixe par rapport à l'arceau-support sont espacés d'une distance d1 et en ce que le premier axe de pivotement fixe par rapport au garde-corps et le deuxième axe de pivotement fixe par rapport à garde-corps sont espacés d'une distance d2 différente de d1.Seat according to claim 4, characterized in that the first fixed pivot axis with respect to the support arch and the second fixed pivot axis with respect to the support arch are spaced apart by a distance d1 and in that the first fixed pivot axis with respect to the guardrail and the second fixed pivot axis with respect to guardrails are spaced apart by a distance d2 different from d1. Siège selon la revendication 5, caractérisé en ce que la distance d1 est supérieure à la distance d2.Seat according to claim 5, characterized in that the distance d1 is greater than the distance d2. Siège selon l'une quelconque des revendications précédentes 5 ou 6, caractérisé en ce que les biellettes ne se croisent en aucun point de leur trajectoire, lorsque le garde-corps passe de la position abaissée à la position relevée.Seat according to any one of the preceding claims 5 or 6, characterized in that the rods do not intersect at any point in their path, when the guardrail moves from the lowered position to the raised position. Siège selon l'une quelconque des revendications précédentes 5 à 7, caractérisé en ce que les dimensions des biellettes et l'écartement des axes de rotation sont tels qu'en position abaissée le premier axe de pivotement fixe par rapport au garde-corps est situé dans le plan défini par le deuxième axe de pivotement fixe par rapport au garde-corps et le deuxième axe de pivotement fixe par rapport à l'arceau-support, ou à une distance de ce plan inférieure à 2 cm.Seat according to any one of the preceding claims 5 to 7, characterized in that the dimensions of the rods and the spacing of the axes of rotation are such that, in the lowered position, the first fixed axis of pivoting relative to the guardrail is located in the plane defined by the second axis of pivoting fixed relative to the guardrail and the second axis of pivoting fixed relative to the support arch, or at a distance from this plane less than 2 cm. Siège selon l'une quelconque des revendications précédentes 5 à 8, caractérisé en ce que les dimensions des biellettes et l'écartement des axes de rotation sont tels qu'en position relevée le deuxième axe de pivotement fixe par rapport au garde-corps est situé dans le plan défini par le premier axe de pivotement fixe par rapport au garde-corps et le le premier axe de pivotement fixe par rapport à l'arceau-support, ou à une distance de ce plan inférieure à 2 cm.Seat according to any one of the preceding claims 5 to 8, characterized in that the dimensions of the rods and the spacing of the axes of rotation are such that in the raised position the second pivot axis fixed relative to the guardrail is located in the plane defined by the first pivot axis fixed relative to the guardrail and the first pivot axis fixed relative to the support arch, or at a distance of this plane less than 2 cm. Siège selon l'une quelconque des revendications précédentes, caractérisé en ce que le garde-corps (4) comprend au moins une barre transversale (5) s'étendant d'une première extrémité latérale du siège à une deuxième extrémité latérale du siège.Seat according to any one of the preceding claims, characterized in that the guardrail (4) comprises at least one transverse bar (5) extending from a first lateral end of the seat to a second lateral end of the seat. Siège selon l'une quelconque des revendications 4 à 10, caractérisé en ce que le premier mécanisme articulé est disposé à une première extrémité latérale du siège et en ce que le dispositif de basculement comporte en outre un deuxième mécanisme articulé identique au premier mécanisme articulé et disposé à une deuxième extrémité latérale du siège.Seat according to any one of claims 4 to 10, characterized in that the first articulated mechanism is disposed at a first lateral end of the seat and in that the tilting device further comprises a second articulated mechanism identical to the first articulated mechanism and disposed at a second lateral end of the seat. Siège selon l'une quelconque des revendications précédentes, caractérisé en ce qu'il comporte une butée de fin de course définissant la position relevée et une butée de fin de course définissant la position abaissée.Seat according to any one of the preceding claims, characterized in that it comprises an end stop defining the raised position and an end stop defining the lowered position.
EP10290513.0A 2009-10-06 2010-09-29 Seat for a ski-lift facility Not-in-force EP2330010B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR0904766A FR2950847B3 (en) 2009-10-06 2009-10-06 SEAT FOR A TELEPORTED INSTALLATION

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EP2330010A1 true EP2330010A1 (en) 2011-06-08
EP2330010B1 EP2330010B1 (en) 2017-03-01

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Publication number Priority date Publication date Assignee Title
FR2982564B1 (en) * 2011-11-16 2014-01-03 Sommital MECHANICAL REMOTE VEHICLE
FR2992276B1 (en) * 2012-06-20 2014-07-18 Sommital MECHANICAL REHABILITATION SEAT AND INSTALLATION EQUIPPED WITH THIS SEAT
AT516705B1 (en) * 2015-04-02 2016-08-15 Innova Patent Gmbh Device for locking a pivotable protective device for a chairlift
JP1547755S (en) * 2015-04-21 2016-04-11
JP1547754S (en) * 2015-04-21 2016-04-11

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EP0242242A1 (en) 1986-04-15 1987-10-21 Pomagalski S.A. Ski lift seat with automatic control of the seat protection devices
EP0771708A1 (en) * 1995-10-30 1997-05-07 Garaventa Holding Ag Actuating and locking mechanism for weather protection hoods on chairlifts
EP0808757A1 (en) * 1996-05-21 1997-11-26 LEITNER S.p.A. Fall-guard for the chairs of chairlifts
EP1195305A1 (en) * 2000-10-04 2002-04-10 Garaventa Holding Ag Method and device for closing a hood for a chair lift
EP1671867A1 (en) * 2004-12-17 2006-06-21 Pomagalski S.A. Control system for the locking of a pivotable hood for a chair lift
EP2030858A2 (en) * 2007-08-30 2009-03-04 Innova Patent GmbH Seat of a chair-lift or a ropeway

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AT411523B (en) * 2002-01-24 2004-02-25 Innova Patent Gmbh ARMCHAIR FOR A CABLE CAR
FR2901524B1 (en) * 2006-05-24 2008-07-18 Noel Blandon SAFETY SYSTEM FOR A SEAT OF A MECHANICAL UPPER INSTALLATION AND METHOD OF IMPLEMENTING SAID SYSTEM
EP2173445B1 (en) * 2007-06-29 2011-10-12 Vekoma Rides Engineering B.V. Amusement device seat assembly

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0242242A1 (en) 1986-04-15 1987-10-21 Pomagalski S.A. Ski lift seat with automatic control of the seat protection devices
EP0771708A1 (en) * 1995-10-30 1997-05-07 Garaventa Holding Ag Actuating and locking mechanism for weather protection hoods on chairlifts
EP0808757A1 (en) * 1996-05-21 1997-11-26 LEITNER S.p.A. Fall-guard for the chairs of chairlifts
EP1195305A1 (en) * 2000-10-04 2002-04-10 Garaventa Holding Ag Method and device for closing a hood for a chair lift
EP1671867A1 (en) * 2004-12-17 2006-06-21 Pomagalski S.A. Control system for the locking of a pivotable hood for a chair lift
EP2030858A2 (en) * 2007-08-30 2009-03-04 Innova Patent GmbH Seat of a chair-lift or a ropeway

Also Published As

Publication number Publication date
FR2950847A3 (en) 2011-04-08
US20110277660A1 (en) 2011-11-17
US8579379B2 (en) 2013-11-12
EP2330010B1 (en) 2017-03-01
FR2950847B3 (en) 2011-09-16

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