A conveyor includes a helical track and a conveyor belt which is drivable along the helical track. The helical track is provided with an inner rail and an outer rail surrounding the inner rail. The conveyor belt is provided with slats that are mounted to a flexible conveyor line, such as a side-bow chain. Each of the slats is provided with a guide roller having an axis of rotation including a vertical component, which guide roller is upwardly, downwardly and radially supported by the inner rail. Each of the slats is upwardly supported by the outer rail and movable in upward direction with respect to the outer rail. The upper contact location between the guide roller and the inner rail where the guide roller is radially supported lies above a line along which a resultant radial force of the conveyor line towards a centerline of the inner rail acts.
B65G 47/51 - Dispositifs pour décharger les objets ou matériaux des transporteurs avec distribution, p. ex. automatique, aux points voulus selon des signaux non programmés, p. ex. répondant à la situation de l'approvisionnement au point de destination
B65G 17/14 - Transporteurs comportant un élément de traction sans fin, p. ex. une chaîne transmettant le mouvement à une surface porteuse de charges continue ou sensiblement continue, ou à une série de porte-charges individuelsTransporteurs à chaîne sans fin dans lesquels des chaînes constituent la surface portant la charge comprenant une série de porte-charges individuels fixés ou normalement fixés à l'élément de traction avec deux raccordements à l'élément de traction espacés
B65G 21/18 - Châssis ou carters de support ou de protection pour transporteurs sans fin ou éléments de traction des transporteurs à courroies ou à chaînes pour transporteurs dotés de porte-charges sans fin mobiles sur des voies courbes sur voies courbes à trois dimensions
A buffer conveyor comprises a drivable endless conveyor belt which successively follows a transport path from an input station to an output station and a return path. A frame includes two parallel transport path frame legs and a U-shaped transport path bridge. The transport path bridge includes a curved bridge portion and parallel bridge legs extending therefrom. Each transport path frame leg is provided with a transport path frame guide for a lateral contact side of the belt in outward direction as seen from the other frame leg. The transport path bridge is shaped such that along the curved bridge portion and respective twisted regions of the bridge legs adjacent to the curved bridge portion the belt has a transverse down-slope towards the inside of the U-shape and such that the lateral contact side (of the belt at said twisted regions is above the respective transport path frame guides.
B65G 47/51 - Dispositifs pour décharger les objets ou matériaux des transporteurs avec distribution, p. ex. automatique, aux points voulus selon des signaux non programmés, p. ex. répondant à la situation de l'approvisionnement au point de destination
An accumulating conveyor comprises a conveyor belt successively follows a first helical track from a lower end thereof in upward direction to a location below an upper end thereof, a first bridge to a location at a second helical track below an upper end thereof, the second helical track in downward direction to a lower end thereof, a first set of auxiliary guides to the upper end of the second helical track, the second helical track in downward direction, a second bridge to the first helical track, the first helical track in upward direction to the upper end thereof, and the second set of auxiliary guides to the lower end of the first helical track. The bridges are synchronously movable along the first and second helical tracks for varying the effective lengths of the conveyor belt.
B65G 47/51 - Dispositifs pour décharger les objets ou matériaux des transporteurs avec distribution, p. ex. automatique, aux points voulus selon des signaux non programmés, p. ex. répondant à la situation de l'approvisionnement au point de destination
B65G 17/14 - Transporteurs comportant un élément de traction sans fin, p. ex. une chaîne transmettant le mouvement à une surface porteuse de charges continue ou sensiblement continue, ou à une série de porte-charges individuelsTransporteurs à chaîne sans fin dans lesquels des chaînes constituent la surface portant la charge comprenant une série de porte-charges individuels fixés ou normalement fixés à l'élément de traction avec deux raccordements à l'élément de traction espacés
B65G 21/18 - Châssis ou carters de support ou de protection pour transporteurs sans fin ou éléments de traction des transporteurs à courroies ou à chaînes pour transporteurs dotés de porte-charges sans fin mobiles sur des voies courbes sur voies courbes à trois dimensions
A buffer conveyor (1) comprises a frame and a drivable endless conveyor belt (4) which successively follows a transport path from an input station (2) to an output station (3) and a return path from the output station (3) to the input station (2). The lengths of the transport path and the return path are inversely adjustable. At the transport path the frame is provided with two parallel transport path frame legs (5, 5', 6, 6') and a U-shaped transport path bridge (13). The transport path bridge (13) includes a curved bridge portion (17) and parallel bridge legs (18) extending from the curved bridge portion. The transport path bridge (13) is displaceable along the transport path frame legs. Within the transport path the conveyor belt (4) successively follows from the input station (2) one of the transport path frame legs (5, 5'), one of the bridge legs, the curved bridge portion, the other one of the bridge legs and the other one of the transport path frame legs (6, 6') to the output station (3). Each of the transport path frame legs is provided with a transport path frame guide (25) for supporting a lateral contact side (27) of the conveyor belt (4) in outward direction as seen from the other transport path frame leg. The transport path bridge (13) is shaped such that along the curved bridge portion (17) and respective twisted regions (18b) of the bridge legs (18) adjacent to the curved bridge portion (17) the conveyor belt (4) has a transverse down-slope towards the inside of the U-shape and such that the lateral contact side (27) of the conveyor belt (4) at said twisted regions (18b) is above the respective transport path frame guides (25).
B65G 17/08 - Transporteurs comportant un élément de traction sans fin, p. ex. une chaîne transmettant le mouvement à une surface porteuse de charges continue ou sensiblement continue, ou à une série de porte-charges individuelsTransporteurs à chaîne sans fin dans lesquels des chaînes constituent la surface portant la charge avec une surface portante formée par une série de maillons, de plaques ou plates-formes reliés entre eux, p. ex. longitudinaux la surface étant formée par l'élément de traction
B65G 21/20 - Moyens incorporés ou fixés au châssis ou aux carters pour guider les porte-charges, les éléments de traction ou les charges portées sur les surfaces mobiles
B65G 47/51 - Dispositifs pour décharger les objets ou matériaux des transporteurs avec distribution, p. ex. automatique, aux points voulus selon des signaux non programmés, p. ex. répondant à la situation de l'approvisionnement au point de destination
An accumulating conveyor (1) comprises a first helical track (6) and a second helical track (7) including coincident centrelines, a first S-shaped bridge (8) and a second S-shaped bridge (9), each having a first bend (8a) in one direction and a second bend (8b) in opposite direction as seen from above, a first set of auxiliary guides (16) and a second set of auxiliary guides (17) and an endless conveyor belt (10) which is drivable in a direction of conveyance (X). The conveyor belt (10) is guidable by the first and second helical tracks (6, 7), bridges (8, 9) and sets of auxiliary guides (16, 17) such that under operating conditions the conveyor belt (10) successively follows the first helical track (6) from a lower end (18) thereof in upward direction to a location below an upper end (15) thereof, the first bridge (8) to a location at the second helical track (7) below an upper end (19) thereof, the second helical track (7) in downward direction to a lower end (20) thereof, the first set of auxiliary guides (16) to the upper end (19) of the second helical track (7), the second helical track (7) in downward direction, the second bridge (9) to the first helical track (6), the first helical track (6) in upward direction to the upper end (15) thereof, and the second set of auxiliary guides (17) to the lower end (18) of the first helical track (6). The bridges (8, 9) are at least partly located at a common inner side of the first and second helical tracks (6, 7) and synchronously movable along the first and second helical tracks (6, 7) for varying the effective lengths of the conveyor belt (10) between the lower ends (18, 20) of the first and second helical tracks (6, 7) via the first bridge (8), on the one hand, and between the upper ends (15, 19) of the first and second helical tracks (6, 7) via the second bridge (9), on the other hand. At least portions of the first and second bends (8a, 8b) of at least one of the first and second bridges (8, 9) bank to their insides.
B65G 21/18 - Châssis ou carters de support ou de protection pour transporteurs sans fin ou éléments de traction des transporteurs à courroies ou à chaînes pour transporteurs dotés de porte-charges sans fin mobiles sur des voies courbes sur voies courbes à trois dimensions
A buffering device comprises a frame and a conveyor belt, a supply station, a discharge station, a first reversing member reverses the conveying direction of the conveyor belt, and a return guide includes a second reversing member. The buffering device is configured such that the conveyor belt moves from the supply station via the first reversing member to the discharge station, after which the conveyor belt is guided back to the supply station via the return guide. A portion of the conveyor belt n forms a buffer section of which the length varies. The remaining portion of the conveyor belt forms a compensation section for compensating a change of length of the buffer section during simultaneous displacement of the first and second reversing members with respect to the frame. The first reversing member includes a buffer carriage for radially guiding the conveyor belt, which guide is fixed to the carriage.
B65G 47/51 - Dispositifs pour décharger les objets ou matériaux des transporteurs avec distribution, p. ex. automatique, aux points voulus selon des signaux non programmés, p. ex. répondant à la situation de l'approvisionnement au point de destination
B65G 21/14 - Châssis ou carters de support ou de protection pour transporteurs sans fin ou éléments de traction des transporteurs à courroies ou à chaînes mobiles ou à pièces interchangeables ou relativement mobilesDispositifs pour déplacer le châssis ou des parties de celui-ci pour permettre le réglage de la longueur ou du profil des porte-charges ou de l'élément de traction
A buffering device comprises a frame and a conveyor belt, a supply station, a discharge station, a first reversing member reverses the conveying direction of the conveyor belt, and a return guide includes a second reversing member. The buffering device is configured such that the conveyor belt moves from the supply station via the first reversing member to the discharge station, after which the conveyor belt is guided back to the supply station via the return guide. A portion of the conveyor belt n forms a buffer section of which the length varies. The remaining portion of the conveyor belt forms a compensation section for compensating a change of length of the buffer section during simultaneous displacement of the first and second reversing members with respect to the frame. The first reversing member includes a buffer carriage for radially guiding the conveyor belt, which guide is fixed to the carriage.
B65G 47/51 - Dispositifs pour décharger les objets ou matériaux des transporteurs avec distribution, p. ex. automatique, aux points voulus selon des signaux non programmés, p. ex. répondant à la situation de l'approvisionnement au point de destination
B65G 21/14 - Châssis ou carters de support ou de protection pour transporteurs sans fin ou éléments de traction des transporteurs à courroies ou à chaînes mobiles ou à pièces interchangeables ou relativement mobilesDispositifs pour déplacer le châssis ou des parties de celui-ci pour permettre le réglage de la longueur ou du profil des porte-charges ou de l'élément de traction
A buffering device (1) comprises a frame (6) and a conveyor belt (8), a supply station (4), a discharge station (5), a first reversing member (15) for reversing the conveying direction of the conveyor belt (8) which first reversing member (15) is displaceable with respect to the frame (6), a return guide (12, 13) which is provided with a second reversing member (16) for reversing the conveying direction of the conveyor belt (8) which second reversing member (16) is also displaceable with respect to the frame (6). A portion of the conveyor belt (8) extending from supply station (4) to the discharge station (5) forms a buffer section (B) of which the length varies upon displacing the first reversing member (15). The remaining portion of the conveyor belt (8) forms a compensation section (C) for compensating a change of length of the buffer section (B) during simultaneous displacement of the first and second reversing members (15; 16). The first reversing member (15) is provided with a buffer carriage (14, 30) with at least a guide (17) for radially guiding the conveyor belt (8).
B65G 47/51 - Dispositifs pour décharger les objets ou matériaux des transporteurs avec distribution, p. ex. automatique, aux points voulus selon des signaux non programmés, p. ex. répondant à la situation de l'approvisionnement au point de destination
An accumulating portal conveyor comprises a conveyor belt, a frame for supporting and guiding the belt, which frame includes a first helical path and a second helical path spaced from the first helical path, a bridging path and a return path. Under operating conditions the belt successively follows the first helical path upwardly, the bridging path, the second helical path downwardly and the return path, and such that in transverse direction of an upright plane through central centerlines of the first and second helical paths. The bridging path includes a static part having a fixed position with respect to the helical paths and a dynamic portion displaceable in transverse direction of the upright plane to change the path length of the belt. At least a portion of the return path is displaceable for compensating the change of the path length of the belt at the bridging path.
B65G 13/02 - Chemins de roulement comportant des rouleaux entraînés
B65G 21/14 - Châssis ou carters de support ou de protection pour transporteurs sans fin ou éléments de traction des transporteurs à courroies ou à chaînes mobiles ou à pièces interchangeables ou relativement mobilesDispositifs pour déplacer le châssis ou des parties de celui-ci pour permettre le réglage de la longueur ou du profil des porte-charges ou de l'élément de traction
B65G 21/18 - Châssis ou carters de support ou de protection pour transporteurs sans fin ou éléments de traction des transporteurs à courroies ou à chaînes pour transporteurs dotés de porte-charges sans fin mobiles sur des voies courbes sur voies courbes à trois dimensions
B65G 21/22 - Rails ou éléments analogues d'engagement à glissières ou à rouleaux fixés aux porte-charges ou aux éléments de traction
B65G 47/51 - Dispositifs pour décharger les objets ou matériaux des transporteurs avec distribution, p. ex. automatique, aux points voulus selon des signaux non programmés, p. ex. répondant à la situation de l'approvisionnement au point de destination
B65G 23/14 - Éléments d'entraînement sans fin s'étendant parallèlement à la courroie ou à la chaîne
A conveyor for buffering products includes a first helical conveyor having a first conveyor input and a first conveyor output and a second helical conveyor having a second conveyor input and a second conveyor output. The first conveyor output is coupled to the second conveyor input and the second conveyor output is coupled to the first conveyor input. A loading station and a discharging station are configured to load and discharge products to and from the conveyor. A single conveyor belt follows the helical tracks of the first and second helical conveyors.
B65G 47/34 - Dispositifs pour décharger les objets ou matériaux des transporteurs
B65G 47/00 - Dispositifs de manutention d'objets ou de matériaux associés aux transporteursProcédés d'emploi de ces dispositifs
B65G 47/51 - Dispositifs pour décharger les objets ou matériaux des transporteurs avec distribution, p. ex. automatique, aux points voulus selon des signaux non programmés, p. ex. répondant à la situation de l'approvisionnement au point de destination
B65G 21/18 - Châssis ou carters de support ou de protection pour transporteurs sans fin ou éléments de traction des transporteurs à courroies ou à chaînes pour transporteurs dotés de porte-charges sans fin mobiles sur des voies courbes sur voies courbes à trois dimensions
An accumulating portal conveyor comprises a conveyor belt, a frame for supporting and guiding the belt, which frame includes a first helical path and a second helical path spaced from the first helical path, a bridging path and a return path. Under operating conditions the belt successively follows the first helical path upwardly, the bridging path, the second helical path downwardly and the return path, and such that in transverse direction of an upright plane through central centerlines of the first and second helical paths. The bridging path includes a static part having a fixed position with respect to the helical paths and a dynamic portion displaceable in transverse direction of the upright plane to change the path length of the belt. At least a portion of the return path is displaceable for compensating the change of the path length of the belt at the bridging path.
B65G 13/02 - Chemins de roulement comportant des rouleaux entraînés
B65G 21/18 - Châssis ou carters de support ou de protection pour transporteurs sans fin ou éléments de traction des transporteurs à courroies ou à chaînes pour transporteurs dotés de porte-charges sans fin mobiles sur des voies courbes sur voies courbes à trois dimensions
B65G 21/22 - Rails ou éléments analogues d'engagement à glissières ou à rouleaux fixés aux porte-charges ou aux éléments de traction
B65G 47/51 - Dispositifs pour décharger les objets ou matériaux des transporteurs avec distribution, p. ex. automatique, aux points voulus selon des signaux non programmés, p. ex. répondant à la situation de l'approvisionnement au point de destination
B65G 21/14 - Châssis ou carters de support ou de protection pour transporteurs sans fin ou éléments de traction des transporteurs à courroies ou à chaînes mobiles ou à pièces interchangeables ou relativement mobilesDispositifs pour déplacer le châssis ou des parties de celui-ci pour permettre le réglage de la longueur ou du profil des porte-charges ou de l'élément de traction
A conveyor comprises a frame, an endless conveyor belt supported by the frame in a conveying direction along a helical path, a non-helical path and a transfer path. The helical path has an upright center line. The belt includes a plurality of plates movably coupled to each other. The frame comprises at least at the helical path a radial guide, wherein the radial guide supports a plate at a radial guide contact location thereof in radial direction with respect to the center line of the helical path, a bearing guide for upwardly supporting the plates, wherein the bearing guide supports a plate at a bearing guide contact location thereof, and an auxiliary guide for compensating a torque on a plate at the bearing guide contact location about an axis directed in the conveying direction. The auxiliary guide contacts a plate at an auxiliary guide contact location thereof.
B65G 21/18 - Châssis ou carters de support ou de protection pour transporteurs sans fin ou éléments de traction des transporteurs à courroies ou à chaînes pour transporteurs dotés de porte-charges sans fin mobiles sur des voies courbes sur voies courbes à trois dimensions
B65G 21/22 - Rails ou éléments analogues d'engagement à glissières ou à rouleaux fixés aux porte-charges ou aux éléments de traction
B65G 47/51 - Dispositifs pour décharger les objets ou matériaux des transporteurs avec distribution, p. ex. automatique, aux points voulus selon des signaux non programmés, p. ex. répondant à la situation de l'approvisionnement au point de destination
A transfer conveyor for transferring articles from a first conveyor to a second conveyor comprises an input for receiving articles from the first conveyor and an output for transporting articles to the second conveyor, a first contact member and a second contact member having first and second contact surfaces, respectively, extending upwardly and facing each other for clamping articles between said contact surfaces when travelling from the input to the output and a curved transport path between the input and the output, and a counter member for holding up an article and/or at least one of the first and second contact members in vertical direction when an article is clamped by the contact members. At least one of the first contact member, the second contact member and the counter member is drivable for transporting articles from the input to the output.
B65G 37/00 - Combinaisons de transporteurs mécaniques de même type ou de types différents sauf en ce qui concerne leur application dans des machines particulières ou leur emploi dans des procédés particuliers de fabrication
B65G 47/51 - Dispositifs pour décharger les objets ou matériaux des transporteurs avec distribution, p. ex. automatique, aux points voulus selon des signaux non programmés, p. ex. répondant à la situation de l'approvisionnement au point de destination
B65G 47/52 - Dispositifs pour transférer objets ou matériaux entre transporteurs, p. ex. pour décharger ou alimenter
A conveyor for conveying products comprises at least a drivable helically-shaped inner track conveyor member and a drivable helically-shaped outer track conveyor member. The outer track conveyor member surrounds the inner track conveyor member. The pitches of the inner track conveyor member and the outer track conveyor member are different.
B65G 21/08 - Toits de protection ou arceaux de support du toit
B65G 15/02 - Transporteurs comportant des surfaces porteuses de charges sans fin, c.-à-d. des tapis roulants ou autres systèmes équivalents, auxquelles l'effort de traction est transmis par des moyens différents des éléments d'entraînement sans fin de même configuration pour le transport selon un arc de cercle
B65G 21/18 - Châssis ou carters de support ou de protection pour transporteurs sans fin ou éléments de traction des transporteurs à courroies ou à chaînes pour transporteurs dotés de porte-charges sans fin mobiles sur des voies courbes sur voies courbes à trois dimensions
B65G 47/51 - Dispositifs pour décharger les objets ou matériaux des transporteurs avec distribution, p. ex. automatique, aux points voulus selon des signaux non programmés, p. ex. répondant à la situation de l'approvisionnement au point de destination
A conveyor (1) comprises a frame (8), an endless conveyor belt (9) supported by the frame (8) and driven by driving means in a conveying direction (X) along a helical path (2), a non-helical path (5) and a transfer path (6) extending between the helical path (2) and the non-helical path (5). The helical path (2) has an upright centre line (4). The conveyor belt (9) includes a plurality of plates (20) which are movably coupled to each other and each plate (20) has an upper transport face (21) and a central axis (22). The frame (8) comprises at least at the helical path (2) a radial guide (26) for guiding the plates (20) along the helical path (2), wherein the radial guide (26) supports a plate (20) at a radial guide contact location (29) thereof in radial direction with respect to the centre line (4) of the helical path (2), a bearing guide (25) for upwardly supporting the plates (20), wherein the bearing guide (25) supports a plate (20) at a bearing guide contact location thereof (28), and an auxiliary guide (31) for compensating a torque on a plate (20) at the bearing guide contact location (28) about an axis directed in the conveying direction (X). The auxiliary guide (31) contacts a plate (20) at an auxiliary guide contact location (32) thereof, which is located at a distance from the radial guide contact location (29) and the bearing guide contact location (28), as seen in a radial cross-section of the helical path (2). The auxiliary guide contact location (32) is located at at least a horizontal distance from the bearing guide contact location (28) in radial direction with respect to the centre line (4), whereas the normal to the surface of the plate (20) at the auxiliary guide contact location (32) has a vertical component. At the transfer path (6) the plates (20) are displaceable relatively to the radial guide (26), the bearing guide (25) and the auxiliary guide (31) in radial direction with respect to the centre line (4) and/or in vertical direction.
B65G 21/22 - Rails ou éléments analogues d'engagement à glissières ou à rouleaux fixés aux porte-charges ou aux éléments de traction
B65G 21/18 - Châssis ou carters de support ou de protection pour transporteurs sans fin ou éléments de traction des transporteurs à courroies ou à chaînes pour transporteurs dotés de porte-charges sans fin mobiles sur des voies courbes sur voies courbes à trois dimensions
B65G 47/51 - Dispositifs pour décharger les objets ou matériaux des transporteurs avec distribution, p. ex. automatique, aux points voulus selon des signaux non programmés, p. ex. répondant à la situation de l'approvisionnement au point de destination
A conveyor system for conveying at least one product comprises a spiral first conveyor having a vertically extending central axis. The first conveyor comprises a number of conveying elements extending substantially parallel to each other. Each conveying element comprises at least one supply end for receiving the product and at least one discharge end for discharging the product. The discharge ends of the individual conveying elements are positioned at different vertical levels.
B65G 21/18 - Châssis ou carters de support ou de protection pour transporteurs sans fin ou éléments de traction des transporteurs à courroies ou à chaînes pour transporteurs dotés de porte-charges sans fin mobiles sur des voies courbes sur voies courbes à trois dimensions
B65G 15/10 - Transporteurs comportant des surfaces porteuses de charges sans fin, c.-à-d. des tapis roulants ou autres systèmes équivalents, auxquelles l'effort de traction est transmis par des moyens différents des éléments d'entraînement sans fin de même configuration comprenant plusieurs surfaces sans fin travaillant ensemble et à axes parallèles longitudinaux, ou une multiplicité d'éléments parallèles, p. ex. des cordes formant une surface sans fin
B65G 47/51 - Dispositifs pour décharger les objets ou matériaux des transporteurs avec distribution, p. ex. automatique, aux points voulus selon des signaux non programmés, p. ex. répondant à la situation de l'approvisionnement au point de destination
B65G 47/57 - Dispositifs pour transférer objets ou matériaux entre transporteurs, p. ex. pour décharger ou alimenter vers des sections de transporteurs à chaîne inclinés ou verticaux ou à partir de ces sections pour objets
B65G 47/71 - Dispositifs pour transférer objets ou matériaux entre transporteurs, p. ex. pour décharger ou alimenter adaptés pour recevoir les objets arrivant d'un transporteur en une couche et pour les transférer en couches individuelles à plus d'un transporteur, ou vice versa, p. ex. en combinant l'écoulement des objets transportés par plus d'un transporteur les objets étant déchargés sur plusieurs transporteurs
B65G 47/76 - Lames ou raclettes transversales fixes ou réglables
B65G 47/82 - Éléments à mouvement rotatif ou alternatif agissant directement sur les objets ou matériaux, p. ex. poussoirs, râteaux, pelles
B65G 47/52 - Dispositifs pour transférer objets ou matériaux entre transporteurs, p. ex. pour décharger ou alimenter
A conveyor system for conveying a product comprises a first conveyor adjacent to a second conveyor via a junction, the conveying direction of the first conveyor near the junction is different from the conveying direction of the second conveyor near the junction. The first conveyor has a first conveying surface and the second conveyor has a second conveying surface for supporting the product thereon. The first conveyor describes at least a spiral path near the junction wherein a central axis extends at least substantially in vertical direction. A moving assembly is configured to move the product from the first conveyor to the second conveyor. The moving assembly comprises a push-out guide which makes a stroke for each product that passes, or comprises a guide configured such that products are guided automatically along the guide only upon the movement of the conveying surface of the first conveyor.
B65G 47/52 - Dispositifs pour transférer objets ou matériaux entre transporteurs, p. ex. pour décharger ou alimenter
B65G 15/10 - Transporteurs comportant des surfaces porteuses de charges sans fin, c.-à-d. des tapis roulants ou autres systèmes équivalents, auxquelles l'effort de traction est transmis par des moyens différents des éléments d'entraînement sans fin de même configuration comprenant plusieurs surfaces sans fin travaillant ensemble et à axes parallèles longitudinaux, ou une multiplicité d'éléments parallèles, p. ex. des cordes formant une surface sans fin
B65G 47/51 - Dispositifs pour décharger les objets ou matériaux des transporteurs avec distribution, p. ex. automatique, aux points voulus selon des signaux non programmés, p. ex. répondant à la situation de l'approvisionnement au point de destination
B65G 47/71 - Dispositifs pour transférer objets ou matériaux entre transporteurs, p. ex. pour décharger ou alimenter adaptés pour recevoir les objets arrivant d'un transporteur en une couche et pour les transférer en couches individuelles à plus d'un transporteur, ou vice versa, p. ex. en combinant l'écoulement des objets transportés par plus d'un transporteur les objets étant déchargés sur plusieurs transporteurs
B65G 47/82 - Éléments à mouvement rotatif ou alternatif agissant directement sur les objets ou matériaux, p. ex. poussoirs, râteaux, pelles
A transfer conveyor (1) for transferring articles (2) from a first conveyor (3) to a second conveyor (4) comprises an input (5) for receiving articles from the first conveyor (3) and an output (6) for transporting articles to the second conveyor (4), a first contact member (7) and a second contact member (8) having first and second contact surfaces (9, 10), respectively, extending upwardly and facing each other for clamping articles (2) between said contact surfaces (9, 10 ) when travelling from the input (5) to the output (6) and a curved transport path be- tween the input (5) and the output (6), and a counter member (12, 13) for holding up an article (2) and/or at least one of the first and second contact members (9, 10) in vertical direction when an article (2) is clamped by the contact members (7, 8). At least one of the first contact member (7), the second contact member (8) and the counter member (12, 13 ) is drivable for transporting articles (2) from the input (5) to the output (6).
B65G 47/51 - Dispositifs pour décharger les objets ou matériaux des transporteurs avec distribution, p. ex. automatique, aux points voulus selon des signaux non programmés, p. ex. répondant à la situation de l'approvisionnement au point de destination
A conveyor for conveying products comprises at least a drivable helically-shaped inner track conveyor member and a drivable helically-shaped outer track conveyor member. The outer track conveyor member surrounds the inner track conveyor member. The pitches of the inner track conveyor member and the outer track conveyor member are different.
B65G 21/18 - Châssis ou carters de support ou de protection pour transporteurs sans fin ou éléments de traction des transporteurs à courroies ou à chaînes pour transporteurs dotés de porte-charges sans fin mobiles sur des voies courbes sur voies courbes à trois dimensions
A conveyor for buffering products comprises at least first and second drivable curved conveyor parts, which are spaced from each other in horizontal direction. At least, the first conveyor part has at least an inner track and an outer track, wherein the outer track is adjacent to the inner track and disposed at the outside bend side of the inner track. The second conveyor part has at least a second conveyor part track, wherein one end of the outer track of the first conveyor part is coupled to one end of the second conveyor part track. An other end of the second conveyor part track is coupled to one end of the inner track of the first conveyor part. The first and second conveyor parts are at least partly helically-shaped.
B65G 21/18 - Châssis ou carters de support ou de protection pour transporteurs sans fin ou éléments de traction des transporteurs à courroies ou à chaînes pour transporteurs dotés de porte-charges sans fin mobiles sur des voies courbes sur voies courbes à trois dimensions
B65G 47/46 - Dispositifs pour décharger les objets ou matériaux des transporteurs avec distribution, p. ex. automatique, aux points voulus
B65G 47/51 - Dispositifs pour décharger les objets ou matériaux des transporteurs avec distribution, p. ex. automatique, aux points voulus selon des signaux non programmés, p. ex. répondant à la situation de l'approvisionnement au point de destination
21.
Buffer conveyor for conveying and buffering products
A buffer conveyor for conveying and buffering products, comprising at least a first elongated conveyor (7), which can be driven in a first direction, a second elongated conveyor (8), which can be driven in a second, opposite direction, and a transfer unit (12) having an inlet end and an outlet end, wherein a transfer element of the transfer unit describes a path between the inlet end and the outlet end which makes at most a small angle with the horizontal and which extends outside the area defined by the adjacent paths of the first and the second conveyor.
B65G 1/00 - Emmagasinage d'objets, individuellement ou avec une certaine ordonnance, dans des entrepôts ou des magasins
B65G 47/51 - Dispositifs pour décharger les objets ou matériaux des transporteurs avec distribution, p. ex. automatique, aux points voulus selon des signaux non programmés, p. ex. répondant à la situation de l'approvisionnement au point de destination
An apparatus for buffering products comprises at least three buffer conveyors arranged in series, which can be driven independently of each other, a first buffer conveyor which can be connected to supply device for supplying products and a last buffer conveyor which can be connected to discharge device for discharging the products, wherein the buffer conveyors are so arranged that each of the products follows the same conveying path and that at least one of the buffer conveyors comprises a spiral path.
B65G 47/51 - Dispositifs pour décharger les objets ou matériaux des transporteurs avec distribution, p. ex. automatique, aux points voulus selon des signaux non programmés, p. ex. répondant à la situation de l'approvisionnement au point de destination
A conveyor system for conveying at least one product comprises at least one first conveyor, which is adjacent to at least one second conveyor via a junction. The conveying direction of the first conveyor near the junction is different from the conveying direction of the second conveyor near the junction. The first conveyor has a first conveying surface and the second conveyor has a second conveying surface for supporting the product thereon. The orientation of the normal of the part of the first conveying surface adjacent to junction is substantially different from that of the normal of the part of the second conveying surface adjacent to the junction. A moving assembly is configured to move the product from the first conveyor to the second conveyor The first conveyor describes an arcuate path at least near the junction.
B65G 47/52 - Dispositifs pour transférer objets ou matériaux entre transporteurs, p. ex. pour décharger ou alimenter
B65G 21/18 - Châssis ou carters de support ou de protection pour transporteurs sans fin ou éléments de traction des transporteurs à courroies ou à chaînes pour transporteurs dotés de porte-charges sans fin mobiles sur des voies courbes sur voies courbes à trois dimensions
A conveyor for buffering products comprises at least first and second drivable curved conveyor parts (2, 3), which are spaced from each other in horizontal direction. At least, the first conveyor part (2) has at least an inner track (4) and an outer track (5), wherein the outer track (5) is adjacent co the inner track (4) and disposed at the outside bend side of the inner track (4). The second conveyor part (3) has at least a second conveyor part track (7), wherein one end (5a) of the outer track of the first conveyor part is coupled to one end (7b) of the second conveyor part track (7). An other end (7a) of the second conveyor part track (7) is coupled to one end (4b) of the inner track (4) of the f irst conveyor part (2). The first and second conveyor parts (2, 3) are at least partly helically-shaped.
B65G 47/51 - Dispositifs pour décharger les objets ou matériaux des transporteurs avec distribution, p. ex. automatique, aux points voulus selon des signaux non programmés, p. ex. répondant à la situation de l'approvisionnement au point de destination
B65G 21/18 - Châssis ou carters de support ou de protection pour transporteurs sans fin ou éléments de traction des transporteurs à courroies ou à chaînes pour transporteurs dotés de porte-charges sans fin mobiles sur des voies courbes sur voies courbes à trois dimensions
A conveyor for conveying products comprises at least a drivable helically-shaped inner track conveyor member (2) and a drivable helically-shaped outer track conveyor member (3). The outer track conveyor member (3) surrounds the inner track conveyor member (2). The pitches of the inner track conveyor member (2) and the outer track conveyor member (3) are different.
B65G 21/18 - Châssis ou carters de support ou de protection pour transporteurs sans fin ou éléments de traction des transporteurs à courroies ou à chaînes pour transporteurs dotés de porte-charges sans fin mobiles sur des voies courbes sur voies courbes à trois dimensions
B65G 47/51 - Dispositifs pour décharger les objets ou matériaux des transporteurs avec distribution, p. ex. automatique, aux points voulus selon des signaux non programmés, p. ex. répondant à la situation de l'approvisionnement au point de destination
A conveyor for conveying piece goods or the like through a helical path around a central axis in a vertical direction includes a frame which supports an endless conveyor belt that is movable along the helical path in a conveying direction. The conveyor belt includes carrier plates which are movably connected to each other. The frame includes at least a guide and at least a number of carrier plates comprise at least a guide roller rotatable about an axis of rotation. The guide roller has at least a first guide roller surface which is in contact with the guide in a first contact location, and a second guide roller surface which is in contact with the guide in a second contact location. The first and second contact locations are spaced from each other and the normal to the first guide roller surface in the first contact location deviates from the normal to the second guide roller surface in the second contact location. The invention provides a conveyor with a high driving efficiency as a consequence of low resistance between the carrier plate and the guide.
B65G 21/18 - Châssis ou carters de support ou de protection pour transporteurs sans fin ou éléments de traction des transporteurs à courroies ou à chaînes pour transporteurs dotés de porte-charges sans fin mobiles sur des voies courbes sur voies courbes à trois dimensions
27.
BUFFER CONVEYOR FOR CONVEYING AND BUFFERING PRODUCTS
A buffer conveyor comprises a first (7) and a second (8) conveyor, which move at least substantially parallel to each other in helical paths, albeit in opposite directions. A transfer unit (12) is movable parallel to the first and the second conveyor in the aforesaid path with its inlet (HA) and outlet (HB) ends. The transfer unit is provided with at least one separate, drivable transfer element for transferring the products from the first conveyor to the second conveyor, so that the products can be transferred from the inlet end of the first conveyor to the discharge end of the second conveyor via the transfer unit. The transfer unit comprises a drive unit for moving the transfer unit along the paths of the respective conveyors with its ends in dependence on the speeds of the first and the second conveyor. The transfer element of the transfer unit describes an at least substantially horizontal path between the inlet end and the outlet end and extends outside the area defined by the adjacent paths of the first and the second conveyor.
B65G 47/51 - Dispositifs pour décharger les objets ou matériaux des transporteurs avec distribution, p. ex. automatique, aux points voulus selon des signaux non programmés, p. ex. répondant à la situation de l'approvisionnement au point de destination
A conveyor is provided for conveying and buffering articles (G) and the like along a vertically extending, substantially helical path. A conveying assembly such as a conveyor belt or conveyor rollers is supported by a frame and driven by a drive unit and extends along said helical path and conveys articles along said path. The substantially helical path is divided into zones (Z), each zone being provided with switch members, in such a manner that the conveyor can be switched in each zone between a conveying position, in which the conveying assembly conveys the articles, and a buffering position, in which the articles present in said zone are stationary. Buffering devices distributed over the length of the conveyor and being present in each zone support the articles in the buffering position. The drive unit and/or the conveyor belt/rollers on the one hand and the buffering devices on the other hand are vertically movable with respect to each other in each zone (Z), in such a manner that the articles (G) in question are in contact with the drive unit in the conveying position and with the buffering devices in the buffering position in said zone. In this way a simple and reliable buffering system can be realised.
B65G 17/00 - Transporteurs comportant un élément de traction sans fin, p. ex. une chaîne transmettant le mouvement à une surface porteuse de charges continue ou sensiblement continue, ou à une série de porte-charges individuelsTransporteurs à chaîne sans fin dans lesquels des chaînes constituent la surface portant la charge
B65G 47/26 - Dispositifs pour influencer la position relative ou l'orientation des objets pendant le transport par transporteurs arrangeant les objets, p. ex. faisant varier l'espace entre chaque objet
29.
Buffer conveyor for conveying and buffering products
A buffer conveyor for conveying and buffering products comprises a first elongated conveyor and a second elongated conveyor that can be driven in an opposite direction. The first and the second conveyor extend in a path at least substantially parallel to each other and beside each other. A transfer unit is movable at least substantially parallel to the first and the second conveyor in the aforesaid path and is provided with a transfer device for transferring the products from the first conveyor to the second conveyor. The transfer unit comprises a drive unit for moving the transfer unit, preferably in dependence on the velocities of the first and the second conveyor.
The drive unit of the transfer unit comprises a drive motor, which follows the movements of the transfer unit at least in part.
B65G 47/26 - Dispositifs pour influencer la position relative ou l'orientation des objets pendant le transport par transporteurs arrangeant les objets, p. ex. faisant varier l'espace entre chaque objet
An apparatus (1) for conveying products comprises at least a first conveyor (2) and a second conveyor (3), each comprising at least a first drivable conveyor track (4a, 5a) for carrying and conveying the products thereon. The apparatus further comprises at least a parallel first transition (7a) between the first conveyor track (4a) of said first conveyor (2) and the first conveyor track (5a) of said second conveyor (3), via which first transition (7a) the products can be moved between said first conveyor (2) and said second conveyor (3) by means of a first control member (8a). The first and the second conveyor (2, 3) each comprise at least a second conveyor track (4b-d, 5b-d) and a second transition (7b) and a second control member (8b-d). The first conveyor (2) includes a parallel part, in which the first and second conveyor tracks (4a-d) of the first conveyor (2) extend parallel to each other and in which the spacing between the first and second conveyor tracks (4a-d) in the transverse direction thereof is smaller than the width of the first conveyor track (5a-d) of the second conveyor (3) at the location of the first transition (7).
B65G 47/76 - Lames ou raclettes transversales fixes ou réglables
B65G 21/18 - Châssis ou carters de support ou de protection pour transporteurs sans fin ou éléments de traction des transporteurs à courroies ou à chaînes pour transporteurs dotés de porte-charges sans fin mobiles sur des voies courbes sur voies courbes à trois dimensions
B65G 47/57 - Dispositifs pour transférer objets ou matériaux entre transporteurs, p. ex. pour décharger ou alimenter vers des sections de transporteurs à chaîne inclinés ou verticaux ou à partir de ces sections pour objets
B65G 47/71 - Dispositifs pour transférer objets ou matériaux entre transporteurs, p. ex. pour décharger ou alimenter adaptés pour recevoir les objets arrivant d'un transporteur en une couche et pour les transférer en couches individuelles à plus d'un transporteur, ou vice versa, p. ex. en combinant l'écoulement des objets transportés par plus d'un transporteur les objets étant déchargés sur plusieurs transporteurs
31.
Device for buffering products and a method of operating this
A device for buffering products comprises a plurality of accumulating conveyors, each having a supplying place for receiving products and a discharging place for discharging products. The device further comprises an adjustable diverter which is connectable to a supplying conveyor for supplying the products in at least one flow. The diverter is connected to a selected one of the supplying places of the accumulating conveyors for conveying the flow of products to the corresponding accumulating conveyor . The device further comprises a merging member which is connectable to a discharging conveyor for conveying the products in at least one flow. The merging member is connected to a selected one of the discharging places of the accumulating conveyors for conveying the products from the corresponding accumulating conveyor to the discharging conveyor. The accumulating conveyors (1) form at least a helical path, which results in a compact device.
B65G 21/18 - Châssis ou carters de support ou de protection pour transporteurs sans fin ou éléments de traction des transporteurs à courroies ou à chaînes pour transporteurs dotés de porte-charges sans fin mobiles sur des voies courbes sur voies courbes à trois dimensions
B65G 47/51 - Dispositifs pour décharger les objets ou matériaux des transporteurs avec distribution, p. ex. automatique, aux points voulus selon des signaux non programmés, p. ex. répondant à la situation de l'approvisionnement au point de destination
An apparatus for buffering products comprises at least three buffer conveyors (2) arranged in series, which can be driven independently of each other, a first buffer conveyor (2a) which can be connected to supply means for supplying products and a last buffer conveyor (2c) which can be connected to discharge means for discharging the products, wherein the buffer conveyors ar so arranged that each of the products follows the same conveying path and tha at least one of the buffer conveyors comprises a spiral path.
B65G 47/51 - Dispositifs pour décharger les objets ou matériaux des transporteurs avec distribution, p. ex. automatique, aux points voulus selon des signaux non programmés, p. ex. répondant à la situation de l'approvisionnement au point de destination
A conveyor system (1) for conveying at least one product comprises at least one first conveyor (2), which is adjacent to at least one second conveyor (3) via a junction (4). The conveying direction of the first conveyor (2) near the junction (4) is different from the conveying direction of the second conveyor (3) near the junction (4). The first conveyor (2) has a first conveying surface (6) and the second conveyor (3) has a second conveying surface (7) for supporting the product thereon. The orientation of the normal of the part of the first conveying surface (6) adjacent to junction (4) is substantially different from that of the normal of the part of the second conveying surface (7) adjacent to the junction (4). Moving means (11-15) are provided for moving the product from the first conveyor (2) to the second conveyor (3). The first conveyor (2) describes an arcuate path at least near the junction (4).
B65G 21/18 - Châssis ou carters de support ou de protection pour transporteurs sans fin ou éléments de traction des transporteurs à courroies ou à chaînes pour transporteurs dotés de porte-charges sans fin mobiles sur des voies courbes sur voies courbes à trois dimensions
B65G 47/57 - Dispositifs pour transférer objets ou matériaux entre transporteurs, p. ex. pour décharger ou alimenter vers des sections de transporteurs à chaîne inclinés ou verticaux ou à partir de ces sections pour objets
B65G 47/71 - Dispositifs pour transférer objets ou matériaux entre transporteurs, p. ex. pour décharger ou alimenter adaptés pour recevoir les objets arrivant d'un transporteur en une couche et pour les transférer en couches individuelles à plus d'un transporteur, ou vice versa, p. ex. en combinant l'écoulement des objets transportés par plus d'un transporteur les objets étant déchargés sur plusieurs transporteurs
B65G 15/10 - Transporteurs comportant des surfaces porteuses de charges sans fin, c.-à-d. des tapis roulants ou autres systèmes équivalents, auxquelles l'effort de traction est transmis par des moyens différents des éléments d'entraînement sans fin de même configuration comprenant plusieurs surfaces sans fin travaillant ensemble et à axes parallèles longitudinaux, ou une multiplicité d'éléments parallèles, p. ex. des cordes formant une surface sans fin
B65G 47/52 - Dispositifs pour transférer objets ou matériaux entre transporteurs, p. ex. pour décharger ou alimenter
The invention relates to a conveyor for conveying and buffering articles (G) and the like along a vertically extending, substantially helical path. A conveyor belt (8) or conveyor rollers (13) supported by a frame (1) and driven by a drive unit (9; 16) extend along said helical path and convey articles along said path. The substantially helical path is divided into zones (Z), each zone being provided with switch means (18), in such a manner that the conveyor can be switched in each zone between a conveying position, in which the conveying means convey the articles, and a buffering position, in which the articles present in said zone are stationary. Buffering members (12; 14,15) distributed over the length of the conveyor and being present in each zone support the articles in the buffering position. The drive unit (9; 16) and/or the conveyor belt/rollers (8; 13) on the one hand and the buffering members (12; 14, 15) on the other hand are vertically movable with respect to each other in each zone (Z), in such a manner that the articles (G) in question are in contact with the drive unit (9; 16) in the conveying position and with the buffering members (12; 14, 15) in the buffering position in said zone. In this way a simple and reliable buffering system can be realised.
B65G 47/26 - Dispositifs pour influencer la position relative ou l'orientation des objets pendant le transport par transporteurs arrangeant les objets, p. ex. faisant varier l'espace entre chaque objet
B65G 17/00 - Transporteurs comportant un élément de traction sans fin, p. ex. une chaîne transmettant le mouvement à une surface porteuse de charges continue ou sensiblement continue, ou à une série de porte-charges individuelsTransporteurs à chaîne sans fin dans lesquels des chaînes constituent la surface portant la charge
The invention relates to a conveyor for conveying piece goods or the like through a helical path around a central axis in a vertical direction, comprising a frame (1) which supports an endless conveyor belt which is movable along the helical path in a conveying direction. The conveyor belt includes carrier plates (9) which are movably connected to each other. The frame (1) includes at least a guide (14) and at least a number of carrier plates (9) comprise at least a guide roller (11) rotatable about an axis of rotation (12). The guide roller (11) has at least a first guide roller surface (17) which is in contact with the guide (14) in a first contact location (19), and a second guide roller surface (18) which is in contact with the guide (14) in a second contact location (20). The first and second contact locations (19, 20) are spaced from each other and the normal to the first guide roller surface (17) in the first contact location (19) deviates from the normal to the second guide roller surface (18) in the second contact location (20). The invention provides a conveyor with a high driving efficiency as a consequence of low resistance between the carrier plate (9) and the guide (14).
B65G 17/06 - Transporteurs comportant un élément de traction sans fin, p. ex. une chaîne transmettant le mouvement à une surface porteuse de charges continue ou sensiblement continue, ou à une série de porte-charges individuelsTransporteurs à chaîne sans fin dans lesquels des chaînes constituent la surface portant la charge avec une surface portante formée par une série de maillons, de plaques ou plates-formes reliés entre eux, p. ex. longitudinaux
B65G 21/18 - Châssis ou carters de support ou de protection pour transporteurs sans fin ou éléments de traction des transporteurs à courroies ou à chaînes pour transporteurs dotés de porte-charges sans fin mobiles sur des voies courbes sur voies courbes à trois dimensions
36.
BUFFER CONVEYOR FOR CONVEYING AND BUFFERING PRODUCTS
A buffer conveyor for conveying and buffering products comprises a first elongated conveyor (7) and a second elongated conveyor (8) that can be driven in an opposite direction. The first and the second conveyor extend in a path at least substantially parallel to each other and beside each other. A transfer unit (11) is movable at least substantially parallel to the first and the second conveyor in the aforesaid path and is provided with a transfer device (17) for transferring the products from the first conveyor to the second conveyor. The transfer unit comprises a drive unit for moving the transfer unit, preferably in dependence on the velocities of the first and the second conveyor. The drive unit of the transfer unit comprises a drive motor (12), which follows the movements of the transfer unit at least in part.
B65G 47/51 - Dispositifs pour décharger les objets ou matériaux des transporteurs avec distribution, p. ex. automatique, aux points voulus selon des signaux non programmés, p. ex. répondant à la situation de l'approvisionnement au point de destination
A conveyor (1) for conveying and buffering of products (2) is provided with a frame (4), a plurality of supports (6) which are spaced from each other and which are moved with respect to the frame (4) in a conveying direction by driving means, and an obstruction for obstructing of a first product (2) in the conveying direction. The supports (6) can each bear at least one product (2) on a baring surface (9). The frame (4) is provided with a supporting surface (12) , the supports (6) and the supporting surface (12) are arranged such and positioned with respect to each other such, that the product (2) is free from the supporting surface (12) when the product (2) is barred by one of the supports (6) and rests on the supporting surface (12) when the supports (6) are spaced from the product (2) . In one embodiment each support (6) comprises a set of elongated rollers (7) which are freely rotatably fixed to a conveying member (5) to which the supports (6) are attached.
B65G 17/00 - Transporteurs comportant un élément de traction sans fin, p. ex. une chaîne transmettant le mouvement à une surface porteuse de charges continue ou sensiblement continue, ou à une série de porte-charges individuelsTransporteurs à chaîne sans fin dans lesquels des chaînes constituent la surface portant la charge
B65G 17/24 - Transporteurs comportant un élément de traction sans fin, p. ex. une chaîne transmettant le mouvement à une surface porteuse de charges continue ou sensiblement continue, ou à une série de porte-charges individuelsTransporteurs à chaîne sans fin dans lesquels des chaînes constituent la surface portant la charge comportant une série de rouleaux que l'élément de traction déplace sur une surface portante pour effectuer le transport des charges ou des porte-charges
B65G 47/26 - Dispositifs pour influencer la position relative ou l'orientation des objets pendant le transport par transporteurs arrangeant les objets, p. ex. faisant varier l'espace entre chaque objet
B65G 47/88 - Éléments pour séparer ou stopper, p. ex. doigts
38.
A DEVICE FOR BUFFERING PRODUCTS AND A METHOD OF OPERATING THIS
A device for buffering products comprises a plurality of accumulating conveyors (1), each having a supplying place (2) for receiving products and a discharging place (3) for discharging products. The device further comprises an adjustable diverter (4) which is connectable to a supplying conveyor (S) for supplying the products in at least one flow. The diverter (4) is connected to a selected one of the supplying places (2) of the accumulating conveyors (1) for conveying the flow of products to the corresponding accumulating conveyor (1). The device further comprises a merging member (5) which is connectable to a discharging conveyor (D) for conveying the products in at least one flow. The merging member (5) is connected to a selected one of the discharging places (3) of the accumulating conveyors (1) for conveying the products from the corresponding accumulating conveyor (1) to the discharging conveyor (D). The accumulating conveyors (1) form at least a helical path, which results in a compact device.
B65G 47/51 - Dispositifs pour décharger les objets ou matériaux des transporteurs avec distribution, p. ex. automatique, aux points voulus selon des signaux non programmés, p. ex. répondant à la situation de l'approvisionnement au point de destination
B65G 21/18 - Châssis ou carters de support ou de protection pour transporteurs sans fin ou éléments de traction des transporteurs à courroies ou à chaînes pour transporteurs dotés de porte-charges sans fin mobiles sur des voies courbes sur voies courbes à trois dimensions