A vehicle lift includes a lift base, a movable lift tower, and a movable platform. A first rail is configured to move the lift tower horizontally, and includes a outer extruded rails secured to the lift base, central extruded rails movable with respect to the outer extruded rails, and inner extruded rails movable with respect to the central extruded rails and fixed to the lift tower. A second rail assembly is fixed to the lift tower and may move the platform vertically with respect to the lift tower, and includes a outer extruded rails secured to the lift tower, central extruded rails movable with respect to the outer extruded rails, and inner extruded rails movable with respect to the central extruded rails and fixed to the lift tower.
A61G 3/02 - Chargement ou déchargement des moyens de transport personnelsMoyens pour faciliter l'accès des personnes handicapées aux véhicules ou leur sortie des véhicules
B60P 1/44 - Véhicules destinés principalement au transport des charges et modifiés pour faciliter le chargement, la fixation de la charge ou son déchargement ayant une plate-forme de chargement qui élève la charge au niveau de l'élément supportant ou contenant la charge
B60P 3/07 - Véhicules adaptés pour transporter, porter ou comporter des charges ou des objets spéciaux pour le transport de véhicules pour le transport de véhicules routiers
B60R 9/06 - Accessoires supplémentaires extérieurs au véhicule, pour recevoir des charges, p. ex. des bagages, des engins de sport ou des objets similaires à l'avant ou à l'arrière du véhicule
Systems, apparatuses, and methods are described for a stairlift overspeed safety system are disclosed. The overspeed safety system may include a centripetal cam assembly, a trigger assembly, and a jammer assembly. The centripetal cam assembly may include a spring-loaded plate and a plurality of centripetal cams connected to the spring-loaded plate, configured to move to an extended position when the rail speed exceeds the speed threshold. The trigger assembly may include a trigger plate configured to be pushed by at least one of the centripetal cams when moved to the extended position. Pushing the trigger plate may cause a switch to open to shut off power to the motorized stairlift. The jammer assembly may include a jammer configured to wedge between teeth of a rack and pinion of the motorized stairlift to initiate a deceleration to stop movement of the motorized stairlift.
B66B 5/02 - Utilisation de dispositifs de vérification, de rectification, de mauvais fonctionnement ou de sécurité des ascenseurs réagissant à des conditions de fonctionnement anormales
B66B 5/04 - Utilisation de dispositifs de vérification, de rectification, de mauvais fonctionnement ou de sécurité des ascenseurs réagissant à des conditions de fonctionnement anormales pour détecter les excès de vitesse
B66B 9/08 - Genres ou types d'ascenseurs installés dans les bâtiments ou édifices ou adjoints à ceux-ci inclinés, p. ex. desservant des hauts fourneaux combinés à des escaliers, p. ex. pour transporter des personnes infirmes
37 - Services de construction; extraction minière; installation et réparation
39 - Services de transport, emballage et entreposage; organisation de voyages
Produits et services
Retail store services featuring mobility and accessibility products, namely, manual and power wheelchairs, auto lifts, modular ramps, medical supplies, stair lifts, vertical platform lifts, power mobility scooters, walkers, canes, rollators, transfer chairs, transfer benches, shower chairs, patient lifts, hands-free showers, walk-in bathtubs, grab bars, disability-related accessories, and durable medical equipment. Installation, maintenance, and repair of mobility and accessibility products and equipment, namely, auto lifts, modular ramps, stair lifts, and vertical platform lifts. Rental of scooters for transportation purposes; rental of wheelchairs, modular wheelchair ramps, stair lifts, and patient lifts.
37 - Services de construction; extraction minière; installation et réparation
39 - Services de transport, emballage et entreposage; organisation de voyages
Produits et services
(1) Retail store services featuring mobility and accessibility products, namely, manual and power wheelchairs, auto lifts, modular ramps, medical supplies, stair lifts, vertical platform lifts, power mobility scooters, walkers, canes, rollators, transfer chairs, transfer benches, shower chairs, patient lifts, hands-free showers, walk-in bathtubs, grab bars, disability-related accessories, and durable medical equipment.
(2) Installation, maintenance, and repair of mobility and accessibility products and equipment, namely, auto lifts, modular ramps, stair lifts, and vertical platform lifts.
(3) Rental of scooters for transportation purposes; rental of wheelchairs, modular wheelchair ramps, stair lifts, and patient lifts.
37 - Services de construction; extraction minière; installation et réparation
39 - Services de transport, emballage et entreposage; organisation de voyages
Produits et services
Retail store services featuring mobility and accessibility products, namely, manual and power wheelchairs, auto lifts, modular ramps, medical supplies, stair lifts, vertical platform lifts, power mobility scooters, walkers, canes, rollators, transfer chairs, transfer benches, shower chairs, patient lifts, hands-free showers, walk-in bathtubs, grab bars, disability-related accessories, and durable medical equipment. Installation, maintenance, and repair of mobility and accessibility products and equipment, namely, auto lifts, modular ramps, stair lifts, and vertical platform lifts. Rental of scooters for transportation purposes; rental of wheelchairs, modular wheelchair ramps, stair lifts, and patient lifts.
37 - Services de construction; extraction minière; installation et réparation
39 - Services de transport, emballage et entreposage; organisation de voyages
Produits et services
Retail store services featuring mobility and accessibility products, namely, manual and power wheelchairs, auto lifts, modular ramps, medical supplies, stair lifts, vertical platform lifts, power mobility scooters, walkers, canes, rollators, transfer chairs, transfer benches, shower chairs, patient lifts, hands-free showers, walk-in bathtubs, grab bars, disability-related accessories, and durable medical equipment Installation, maintenance, and repair of mobility and accessibility products and equipment, namely, auto lifts, modular ramps, stair lifts, and vertical platform lifts Rental of scooters for transportation purposes; rental of wheelchairs, modular wheelchair ramps, stair lifts, and patient lifts
Systems, apparatuses, and methods are described for a stairlift overspeed safety system are disclosed. The overspeed safety system may include a centripetal cam assembly, a trigger assembly, and a jammer assembly. The centripetal cam assembly may include a spring-loaded plate and a plurality of centripetal cams connected to the spring-loaded plate, configured to move to an extended position when the rail speed exceeds the speed threshold. The trigger assembly may include a trigger plate configured to be pushed by at least one of the centripetal cams when moved to the extended position. Pushing the trigger plate may cause a switch to open to shut off power to the motorized stairlift. The jammer assembly may include a jammer configured to wedge between teeth of a rack and pinion of the motorized stairlift to initiate a deceleration to stop movement of the motorized stairlift.
B66B 9/08 - Genres ou types d'ascenseurs installés dans les bâtiments ou édifices ou adjoints à ceux-ci inclinés, p. ex. desservant des hauts fourneaux combinés à des escaliers, p. ex. pour transporter des personnes infirmes
B66B 5/04 - Utilisation de dispositifs de vérification, de rectification, de mauvais fonctionnement ou de sécurité des ascenseurs réagissant à des conditions de fonctionnement anormales pour détecter les excès de vitesse
B66B 5/16 - Dispositifs de freinage ou de retenue agissant entre cabines ou bennes et éléments ou surfaces fixes de guidage du puits ou de la cage de l'ascenseur
Systems, apparatuses, and methods are described for a stairlift overspeed safety system are disclosed. The overspeed safety system may include a centripetal cam assembly, a trigger assembly, and a jammer assembly. The centripetal cam assembly may include a spring-loaded plate and a plurality of centripetal cams connected to the spring-loaded plate, configured to move to an extended position when the rail speed exceeds the speed threshold. The trigger assembly may include a trigger plate configured to be pushed by at least one of the centripetal cams when moved to the extended position. Pushing the trigger plate may cause a switch to open to shut off power to the motorized stairlift. The jammer assembly may include a jammer configured to wedge between teeth of a rack and pinion of the motorized stairlift to initiate a deceleration to stop movement of the motorized stairlift.
B66B 5/02 - Utilisation de dispositifs de vérification, de rectification, de mauvais fonctionnement ou de sécurité des ascenseurs réagissant à des conditions de fonctionnement anormales
B66B 5/04 - Utilisation de dispositifs de vérification, de rectification, de mauvais fonctionnement ou de sécurité des ascenseurs réagissant à des conditions de fonctionnement anormales pour détecter les excès de vitesse
B66B 9/08 - Genres ou types d'ascenseurs installés dans les bâtiments ou édifices ou adjoints à ceux-ci inclinés, p. ex. desservant des hauts fourneaux combinés à des escaliers, p. ex. pour transporter des personnes infirmes
Systems, apparatuses, and methods are described for a stairlift overspeed safety system are disclosed. The overspeed safety system may include a centripetal cam assembly, a trigger assembly, and a jammer assembly. The centripetal cam assembly may include a spring-loaded plate and a plurality of centripetal cams connected to the spring-loaded plate, configured to move to an extended position when the rail speed exceeds the speed threshold. The trigger assembly may include a trigger plate configured to be pushed by at least one of the centripetal cams when moved to the extended position. Pushing the trigger plate may cause a switch to open to shut off power to the motorized stairlift. The jammer assembly may include a jammer configured to wedge between teeth of a rack and pinion of the motorized stairlift to initiate a deceleration to stop movement of the motorized stairlift.
B66B 5/22 - Dispositifs de freinage ou de retenue agissant entre cabines ou bennes et éléments ou surfaces fixes de guidage du puits ou de la cage de l'ascenseur et exerçant un freinage par friction au moyen de coins déplaçables linéairement
B66B 9/08 - Genres ou types d'ascenseurs installés dans les bâtiments ou édifices ou adjoints à ceux-ci inclinés, p. ex. desservant des hauts fourneaux combinés à des escaliers, p. ex. pour transporter des personnes infirmes
B66B 5/04 - Utilisation de dispositifs de vérification, de rectification, de mauvais fonctionnement ou de sécurité des ascenseurs réagissant à des conditions de fonctionnement anormales pour détecter les excès de vitesse
A vehicle lift includes a lift base, a movable lift tower, and a movable platform. A first rail is configured to move the lift tower horizontally, and includes a outer extruded rails secured to the lift base, central extruded rails movable with respect to the outer extruded rails, and inner extruded rails movable with respect to the central extruded rails and fixed to the lift tower. A second rail assembly is fixed to the lift tower and may move the platform vertically with respect to the lift tower, and includes a outer extruded rails secured to the lift tower, central extruded rails movable with respect to the outer extruded rails, and inner extruded rails movable with respect to the central extruded rails and fixed to the lift tower.
A61G 3/02 - Chargement ou déchargement des moyens de transport personnelsMoyens pour faciliter l'accès des personnes handicapées aux véhicules ou leur sortie des véhicules
A61G 3/06 - Transfert en utilisant des rampes, des ascenseurs ou analogues
B66F 7/10 - Châssis de levage, p. ex. pour lever des véhiculesAscenseurs à tablier à tabliers supportés directement par des crics
B66F 11/00 - Dispositifs de levage spécialement adaptés à des buts particuliers, non prévus ailleurs
A vehicle lift includes a lift base, a movable lift tower, and a movable platform. A first rail is configured to move the lift tower horizontally, and includes a outer extruded rails secured to the lift base, central extruded rails movable with respect to the outer extruded rails, and inner extruded rails movable with respect to the central extruded rails and fixed to the lift tower. A second rail assembly is fixed to the lift tower and may move the platform vertically with respect to the lift tower, and includes a outer extruded rails secured to the lift tower, central extruded rails movable with respect to the outer extruded rails, and inner extruded rails movable with respect to the central extruded rails and fixed to the lift tower.
A61G 3/02 - Chargement ou déchargement des moyens de transport personnelsMoyens pour faciliter l'accès des personnes handicapées aux véhicules ou leur sortie des véhicules
B60R 9/06 - Accessoires supplémentaires extérieurs au véhicule, pour recevoir des charges, p. ex. des bagages, des engins de sport ou des objets similaires à l'avant ou à l'arrière du véhicule
B60P 1/44 - Véhicules destinés principalement au transport des charges et modifiés pour faciliter le chargement, la fixation de la charge ou son déchargement ayant une plate-forme de chargement qui élève la charge au niveau de l'élément supportant ou contenant la charge
B60P 3/07 - Véhicules adaptés pour transporter, porter ou comporter des charges ou des objets spéciaux pour le transport de véhicules pour le transport de véhicules routiers
Systems, apparatuses, and methods are described for a vertical platform lift assembly control system are disclosed. The control system may provide a method for monitoring sensors for the vertical platform lift, and may determine operating modes and fault conditions from the sensor data. An indicator system for the vertical platform lift may provide user feedback based on sensor data and the status of the control system.
B66B 1/08 - Systèmes de commande sans régulation, c.-à-d. sans action rétroactive électriques avec dispositifs, p. ex. des poignées ou des leviers, dans les cabines ou les cages pour commande directe des mouvements
B66B 1/24 - Systèmes de commande à régulation, c.-à-d. avec action rétroactive, permettant d'agir sur la vitesse de déplacement, l'accélération ou la décélération
B66B 9/00 - Genres ou types d'ascenseurs installés dans les bâtiments ou édifices ou adjoints à ceux-ci
Systems, apparatuses, and methods are described for a vertical platform lift assembly control system are disclosed. The control system may provide a method for monitoring sensors for the vertical platform lift, and may determine operating modes and fault conditions from the sensor data. An indicator system for the vertical platform lift may provide user feedback based on sensor data and the status of the control system.
B66B 1/30 - Systèmes de commande à régulation, c.-à-d. avec action rétroactive, permettant d'agir sur la vitesse de déplacement, l'accélération ou la décélération électriques agissant sur les organes d'entraînement
B66B 5/02 - Utilisation de dispositifs de vérification, de rectification, de mauvais fonctionnement ou de sécurité des ascenseurs réagissant à des conditions de fonctionnement anormales
B66B 3/00 - Utilisation de dispositifs pour indiquer ou signaler les conditions du fonctionnement des ascenseurs
B66B 9/00 - Genres ou types d'ascenseurs installés dans les bâtiments ou édifices ou adjoints à ceux-ci
Systems, apparatuses, and methods are described for a vertical platform lift assembly control system are disclosed. The control system may provide a method for monitoring sensors for the vertical platform lift, and may determine operating modes and fault conditions from the sensor data. An indicator system for the vertical platform lift may provide user feedback based on sensor data and the status of the control system.
A vertical platform lift assembly and control system are disclosed. The control system is configured with monitoring sensors for the vertical platform lift to determine operating modes and fault conditions from the sensor data, and an indicator system for the vertical platform lift to provide user feedback based on sensor data and the status of the control system.
A pivoting system has an electronic device pivotably mounted on a cargo platform. A base is coupled to a cargo support. A linkage rod slidably engages with the cargo platform. A proximal pivot pivotably couples the proximal end of the linkage rod arm to the base. A device pivot pivotably couples the electronic device to the cargo platform. A distal pivot pivotably couples the distal end of the linkage rod to the electronic device. The pivoting system causes pivoting of the electronic device between a lower general horizontal position and an upper general horizontal position.
B60P 1/44 - Véhicules destinés principalement au transport des charges et modifiés pour faciliter le chargement, la fixation de la charge ou son déchargement ayant une plate-forme de chargement qui élève la charge au niveau de l'élément supportant ou contenant la charge
A61G 3/06 - Transfert en utilisant des rampes, des ascenseurs ou analogues
B60R 9/06 - Accessoires supplémentaires extérieurs au véhicule, pour recevoir des charges, p. ex. des bagages, des engins de sport ou des objets similaires à l'avant ou à l'arrière du véhicule
19.
Pivoting system and method for an electrical device
A pivoting system has an electronic device pivotably mounted on a cargo platform. A base is coupled to a cargo support. A linkage rod slidably engages with the cargo platform. A proximal pivot pivotably couples the proximal end of the linkage rod arm to the base. A device pivot pivotably couples the electronic device to the cargo platform. A distal pivot pivotably couples the distal end of the linkage rod to the electronic device. The pivoting system causes pivoting of the electronic device between a lower general horizontal position and an upper general horizontal position.
B60R 9/00 - Accessoires supplémentaires extérieurs au véhicule, pour recevoir des charges, p. ex. des bagages, des engins de sport ou des objets similaires
B60P 1/44 - Véhicules destinés principalement au transport des charges et modifiés pour faciliter le chargement, la fixation de la charge ou son déchargement ayant une plate-forme de chargement qui élève la charge au niveau de l'élément supportant ou contenant la charge
A61G 3/06 - Transfert en utilisant des rampes, des ascenseurs ou analogues
B60R 9/06 - Accessoires supplémentaires extérieurs au véhicule, pour recevoir des charges, p. ex. des bagages, des engins de sport ou des objets similaires à l'avant ou à l'arrière du véhicule
37 - Services de construction; extraction minière; installation et réparation
Produits et services
installation, repair, and maintenance of lifts, elevators, and ramps; installation, repair, and maintenance of stair lifts, power-operated lifts, wheelchair lifts, scooter lifts, power chair lifts, personal mobility vehicle lifts, platform lifts, swimming pool lifts, and cargo lifts; installation, repair, and maintenance of dumbwaiters; installation, repair, and maintenance of wheelchair ramps, scooter ramps, power chair ramps, and personal mobility vehicle ramps; installation, repair, and maintenance of lifts for loading and transporting wheelchairs, scooters, power chairs, and personal mobility vehicles onto or into motor vehicles; installation, repair, and maintenance of devices for locking and securing wheelchairs, scooters, power chairs, and personal mobility vehicles; installation, repair, and maintenance of mobility seating devices that assist an individual in entering and exiting a vehicle
37 - Services de construction; extraction minière; installation et réparation
39 - Services de transport, emballage et entreposage; organisation de voyages
Produits et services
retail store services featuring mobility and accessibility products, namely, manual and power wheelchairs, auto lifts, modular ramps, medical supplies, stair lifts, vertical platform lifts, power mobility scooters, walkers, canes, rollators, transfer chairs, transfer benches, shower chairs, patient lifts, hands-free showers, walk-in bathtubs, grab bars, disability-related accessories, and durable medical equipment installation, maintenance, and repair of mobility and accessibility products and equipment, namely, auto lifts, modular ramps, stair lifts, and vertical platform lifts rental of scooters for transportation purposes; rental of wheelchairs, modular wheelchair ramps, stair lifts, and patient lifts
12 - Véhicules; appareils de locomotion par terre, par air ou par eau; parties de véhicules
Produits et services
Metal ramps Stair lifts; elevators; swimming pool lifts Power-operated lifts specially adapted for vehicles for use with personal mobility vehicles, wheelchairs, scooters and power chairs; externally attached personal mobility vehicle, wheelchair, scooter and power chair carriers for use on vehicles; devices for locking and securing mobility vehicles, wheelchairs, power chairs, scooters and recreational vehicles on a lift, trailer and cart within a vehicle, namely, docking devices; fully articulating automotive seating mechanism that assists an individual in entering and exiting a vehicle
12 - Véhicules; appareils de locomotion par terre, par air ou par eau; parties de véhicules
Produits et services
Metal ramps Stair lifts; elevators; swimming pool lifts Power-operated lifts specially adapted for vehicles for use with personal mobility vehicles, wheelchairs, scooters and power chairs; externally attached personal mobility vehicle, wheelchair, scooter and power chair carriers for use on vehicles; devices for locking and securing mobility vehicles, wheelchairs, power chairs, scooters and recreational vehicles on a lift, trailer and cart within a vehicle, namely, docking devices; fully articulating automotive seating mechanism that assists an individual in entering and exiting a vehicle
37 - Services de construction; extraction minière; installation et réparation
39 - Services de transport, emballage et entreposage; organisation de voyages
Produits et services
Retail store services featuring mobility and accessibility products, namely, manual and power wheelchairs, auto lifts, modular ramps, medical supplies, stair lifts, vertical platform lifts, power mobility scooters, walkers, canes, rollators, transfer chairs, transfer benches, shower chairs, patient lifts, hands-free showers, walk-in bathtubs, grab bars, disability-related accessories, and durable medical equipment; Franchising, namely, offering business management assistance in the establishment and/or operation of businesses that offer and provide mobility and accessibility related equipment and services Installation, maintenance, and repair of mobility and accessibility products and equipment, namely, auto lifts, modular ramps, stair lifts, and vertical platform lifts Rental of scooters for transportation purposes; Rental of wheelchairs, modular wheelchair ramps, stair lifts, and patient lifts
39 - Services de transport, emballage et entreposage; organisation de voyages
Produits et services
Franchising, namely, offering business management assistance in the establishment and/or operation of businesses that offer and provide mobility and accessibility related equipment and services Rental of scooters for transportation purposes; Rental of wheelchairs, modular wheelchair ramps, stair lifts, and patient lifts
09 - Appareils et instruments scientifiques et électriques
Produits et services
Computer software for use in database management, business management, inventory control, marketing, and appointment scheduling in the field of retail sales of mobility and accessibility equipment and services
37 - Services de construction; extraction minière; installation et réparation
Produits et services
Retail store services featuring mobility and accessibility products, namely, manual and power wheelchairs, auto lifts, modular wheelchair ramps, medical supplies, stair lifts, vertical platform lifts, power mobility scooters, walkers, canes, rollators, transfer chairs, transfer benches, shower chairs, handicap accessories, and durable medical equipment Installation, maintenance and repair of mobility and accessibility products, namely, auto lifts, modular wheelchair ramps, stair lifts, and vertical platform lifts
37 - Services de construction; extraction minière; installation et réparation
39 - Services de transport, emballage et entreposage; organisation de voyages
41 - Éducation, divertissements, activités sportives et culturelles
42 - Services scientifiques, technologiques et industriels, recherche et conception
43 - Services de restauration (alimentation); hébergement temporaire
44 - Services médicaux, services vétérinaires, soins d'hygiène et de beauté; services d'agriculture, d'horticulture et de sylviculture.
Produits et services
(1) Retail store services featuring mobility products, namely, manual and power wheelchairs, auto lifts to enable the mobility impaired to enter and exit vehicles, modular wheelchair ramps, medical supplies, stair lifts, vertical platform lifts, power mobility scooters, walkers, canes, rollators, transfer chairs, transfer benches, shower chairs, handicap accessories.
(2) Installation of mobility products, namely, modular wheelchair ramps, stair lifts, vertical platform lifts.
(3) Rental of mobility products, namely, manual and power wheelchairs, modular wheelchair ramps, stair lifts, patient lifts, power mobility scooters.
(4) Retail store services featuring mobility products, namely, turnout seating, namely seating to assist with entering and exiting a vehicle, folding wheelchair ramps, bridges, walkways, incline platform lifts, residential elevators, patient lifts, bath lifts, pool lifts, spa lifts, patient slings, tub doors, grab bars, toilet safety frames, automatic door openers, exercise equipment.
(5) Installation of mobility products, namely auto lifts to enable the mobility impaired to enter and exit vehicles, turnout seating, namely seating to assist with entering and exiting a vehicle, folding wheelchair ramps, bridges, walkways, incline platform lifts, residential elevators, patient lifts, bath lifts, pool lifts, spa lifts, patient slings, power mobility scooters, tub doors, grab bars, toilet safety frames, handicap accessories, automatic door openers, and wheelchairs.
(6) Rental of mobility products, namely auto lifts to enable the mobility impaired to enter and exit vehicles, turnout seating, namely seating to assist with entering and exiting a vehicle, folding wheelchair ramps, bridges, walkways, medical supplies, vertical platform lifts, incline platform lifts, residential elevators, bath lifts, pool lifts, spa lifts, patient slings, walkers, canes, rollators, transfer chairs, transfer benches, shower chairs, tub doors, grab bars, toilet safety frames, handicap accessories, automatic door openers, exercise equipment, and durable medical equipment.
(7) Offering technical assistance in the establishment and operation of stores offering the retail sale, installation and rental of mobility equipment, medical supplies and medical equipment.
37 - Services de construction; extraction minière; installation et réparation
Produits et services
Retail store services featuring mobility products, namely, manual and power wheelchairs, auto lifts, modular wheelchair ramps, [ medical supplies, ] stair lifts, vertical platform lifts, power mobility scooters, walkers, canes, rollators, transfer chairs, transfer benches, shower chairs, handicap accessories, and durable medical equipment Installation of mobility products, namely, auto lifts, modular wheelchair ramps, stair lifts, and vertical platform lifts
A stair lift for lifting and lowering at least one person on a rail on a stairway. There is a carriage mountable to the rail, the carriage having a track engaging drive, and a motor to power the drive, the powered drive causing the carriage to move along the rail. There is a central support post mounted on the carriage and an offset arm connected to the seat support post. The offset arm is mounted to the carriage in one of a left side or a right side position. A seat is mounted on the offset arm, and a notched plate secures the seat in position on the offset arm in either the left side or right side position and permits the seat to swivel between a sideways facing position and an upward facing position to facilitate the person getting into and out of the seat.
B66B 9/08 - Genres ou types d'ascenseurs installés dans les bâtiments ou édifices ou adjoints à ceux-ci inclinés, p. ex. desservant des hauts fourneaux combinés à des escaliers, p. ex. pour transporter des personnes infirmes