WO2013045719A1 - Mechanism for lifting vehicles up stairs - Google Patents

Mechanism for lifting vehicles up stairs Download PDF

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Publication number
WO2013045719A1
WO2013045719A1 PCT/ES2012/000239 ES2012000239W WO2013045719A1 WO 2013045719 A1 WO2013045719 A1 WO 2013045719A1 ES 2012000239 W ES2012000239 W ES 2012000239W WO 2013045719 A1 WO2013045719 A1 WO 2013045719A1
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WO
WIPO (PCT)
Prior art keywords
stairs
vehicles
actuators
vehicle
wheels
Prior art date
Application number
PCT/ES2012/000239
Other languages
Spanish (es)
French (fr)
Inventor
Daniel PIQUERAS CEBALLOS
Original Assignee
Piqueras Ceballos Daniel
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 Piqueras Ceballos Daniel filed Critical Piqueras Ceballos Daniel
Publication of WO2013045719A1 publication Critical patent/WO2013045719A1/en

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Classifications

    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61G—TRANSPORT, PERSONAL CONVEYANCES, OR ACCOMMODATION SPECIALLY ADAPTED FOR PATIENTS OR DISABLED PERSONS; OPERATING TABLES OR CHAIRS; CHAIRS FOR DENTISTRY; FUNERAL DEVICES
    • A61G5/00—Chairs or personal conveyances specially adapted for patients or disabled persons, e.g. wheelchairs
    • A61G5/06—Chairs or personal conveyances specially adapted for patients or disabled persons, e.g. wheelchairs with obstacle mounting facilities, e.g. for climbing stairs, kerbs or steps
    • A61G5/068—Chairs or personal conveyances specially adapted for patients or disabled persons, e.g. wheelchairs with obstacle mounting facilities, e.g. for climbing stairs, kerbs or steps with extensible supports pushing upwards, e.g. telescopic legs
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61G—TRANSPORT, PERSONAL CONVEYANCES, OR ACCOMMODATION SPECIALLY ADAPTED FOR PATIENTS OR DISABLED PERSONS; OPERATING TABLES OR CHAIRS; CHAIRS FOR DENTISTRY; FUNERAL DEVICES
    • A61G5/00—Chairs or personal conveyances specially adapted for patients or disabled persons, e.g. wheelchairs
    • A61G5/06—Chairs or personal conveyances specially adapted for patients or disabled persons, e.g. wheelchairs with obstacle mounting facilities, e.g. for climbing stairs, kerbs or steps
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61G—TRANSPORT, PERSONAL CONVEYANCES, OR ACCOMMODATION SPECIALLY ADAPTED FOR PATIENTS OR DISABLED PERSONS; OPERATING TABLES OR CHAIRS; CHAIRS FOR DENTISTRY; FUNERAL DEVICES
    • A61G5/00—Chairs or personal conveyances specially adapted for patients or disabled persons, e.g. wheelchairs
    • A61G5/06—Chairs or personal conveyances specially adapted for patients or disabled persons, e.g. wheelchairs with obstacle mounting facilities, e.g. for climbing stairs, kerbs or steps
    • A61G5/061—Chairs or personal conveyances specially adapted for patients or disabled persons, e.g. wheelchairs with obstacle mounting facilities, e.g. for climbing stairs, kerbs or steps for climbing stairs
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61G—TRANSPORT, PERSONAL CONVEYANCES, OR ACCOMMODATION SPECIALLY ADAPTED FOR PATIENTS OR DISABLED PERSONS; OPERATING TABLES OR CHAIRS; CHAIRS FOR DENTISTRY; FUNERAL DEVICES
    • A61G5/00—Chairs or personal conveyances specially adapted for patients or disabled persons, e.g. wheelchairs
    • A61G5/10—Parts, details or accessories
    • A61G5/1054—Large wheels, e.g. higher than the seat portion

Definitions

  • the present invention refers to a set of elements that applied to vehicles with more than one axle such as wheelchairs, wheelbarrows, remote control vehicles, etc., allow horizontal advancement and ascent by stairs .
  • the object of this invention is to provide a solution hitherto unknown for several inconveniences that will be discussed later, mainly, it is intended to achieve a final result that allows certain vehicles to be climbed up stairs while allowing frontal advancement.
  • the device in question provides essential novelty characteristics and notable advantages over the known and used means for the same purposes in the current state of the art.
  • the proposed invention aims to provide an economic, ecological, practical, simple and easy-to-use solution, the effect of which would be greater freedom for wheelchair users and a step forward in the use of remote control vehicles, thus allowing them to climb stairs Without help from third parties.
  • the patent object of this invention has its field of application in the transport media sector, and more specifically in that of wheelchairs and other similar vehicles.
  • a motorized wheelchair that comprises a motor-transmission assembly from which an output shaft extends from both parts of the transmission box and loads a tread on each of its extremities , this engine-transmission assembly loading a support on which are supplied power batteries and which is provided to its lower front end by at least one wheel; characterized in that it comprises a light body on which the seat and the back of the chair in synthetic matter are directly injected; and because it comprises quick fixing means for coupling and uncoupling the body to the support of the engine-transmission set It has the disadvantage of having to attach or decouple a battery system, which complicates and hinders the use process.
  • a transport mechanism for transporting a load bearing assembly, said transport mechanism comprising: a closed flexible track with an intrinsic deviation arrangement for diverting the flexible track to take a shape. substantially circular; at least two support rollers supporting said flexible track on an inner side thereof, than in a first position of said transport mechanism, wherein said track adopts a circular shape, one of the support rollers exerting a force having a downward component on the flexible track at a point of contact thereof with the floor surface; a displacement mechanism coupled to at least one of said support rollers to mutually move the support rollers to a second position, against said deflection arrangement, in which the support rollers force the path to adopt a state in which a Extended portion thereof is in contact with the floor surface and at least two of said support rollers are placed at two ends of said portion.
  • This invention relates to a structure external to the vehicle that must be previously installed, has the disadvantage of the high additional cost for the creation and fixation of a static structure in all types of terrain.
  • an electric wheelchair of the type of which conventionally incorporates a seat located on a frame supported by front wheels and rear wheels is claimed and is self-propelled by at least one electric motor whose movement is determined by the user action on a control panel, characterized in that the frame is mounted on two drive axles that rotate by action of corresponding electric motors to which they are connected, drive axles with respect to which two climbing mechanisms provided with transmission elements that they transmit the movement of the electric motors to two pairs of front wheels, each of which is mounted in line on each climbing mechanism advancing in a horizontal direction and tilting in solidarity with said climbing mechanism with respect to the driving axle rising or descending to overcome obstacles
  • a significant amount of complexity makes this invention unfeasible, and it is only applicable to chairs that have previously been manufactured with the mentioned system.
  • This system is also applicable to trucks and other cargo vehicles.
  • the present invention is constituted from the following elements:
  • the mechanism is connected to a programmable electronic circuit.
  • the structure is between the wheels of the same axle of a vehicle.
  • the system has at least two structures on the same axle, becoming the wheels of the vehicle.
  • the actuators are subject to a single ring and in different planes, said actuators being drying with with respect to the ring, getting a greater length for the same wheel diameter.
  • a preferred embodiment of the proposed invention is constituted from the following elements: a structure (1) consisting of at least five telescopic actuators (2) with sensors, arranged radially, connected by one of its ends to two rings ( 3) central and concentric, and having at their opposite end pushers (4) of a material with a high coefficient of friction.
  • the mechanism is connected to a programmable electronic circuit.
  • the structure is between the wheels of the same axle of a vehicle (5).

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  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Handcart (AREA)

Abstract

The invention relates to a structure made up of at least five telescopic actuators with sensors, arranged in a radial manner, connected by one of the ends thereof to two concentric, central rings, which have, on the opposite end thereof, valve lifters made of a material having a high friction coefficient. The mechanism is connected to a programmable electronic circuit. The structure is located between the wheels of a single axle of a vehicle.

Description

MECANISMO PARA LA ELEVACIÓN DE VEHÍCULOS POR MECHANISM FOR THE ELEVATION OF VEHICLES BY
ESCALERAS STAIRS
OBJETO DE LA INVENCIÓN OBJECT OF THE INVENTION
La presente invención, tal como se indica en el título, se refiere a un conjunto de elementos que aplicados a vehículos de más de un eje como sillas de ruedas, carretillas, vehículos teledirigidos, etc., permiten el avance horizontal y el ascenso por escaleras.  The present invention, as indicated in the title, refers to a set of elements that applied to vehicles with more than one axle such as wheelchairs, wheelbarrows, remote control vehicles, etc., allow horizontal advancement and ascent by stairs .
El objeto de esta invención es aportar una solución hasta ahora desconocida para varios inconvenientes que se comentarán más adelante, principalmente, se pretende lograr un resultado final que permita la subida de determinados vehículos por escaleras al mismo tiempo que permita el avance frontal.  The object of this invention is to provide a solution hitherto unknown for several inconveniences that will be discussed later, mainly, it is intended to achieve a final result that allows certain vehicles to be climbed up stairs while allowing frontal advancement.
El dispositivo en cuestión aporta esenciales características de novedad y notables ventajas con respecto a los medios conocidos y utilizados para los mismos fines en el estado actual de la técnica.  The device in question provides essential novelty characteristics and notable advantages over the known and used means for the same purposes in the current state of the art.
En la actualidad, se están realizando una gran cantidad de obras destinadas a mejorar el acceso a vehículos especiales, como por ejemplo y de forma especial, las sillas de ruedas. Si bien se ha mejorado bastante la accesibilidad para el colectivo de usuarios que utiliza dichas sillas, aún queda mucho por hacer. Por ello, hoy en día, la utilización de las escaleras está limitada exclusivamente a personas que carecen de discapacidades o a lugares que dispongan de cierta tecnología altamente costosa de adquirir, instalar y mantener. En el caso de vehículos teledirigidos también hay mucho que avanzar, ya que la mayoría de ellos no dispone de un sistema que le permita saltar obstáculos.  Currently, a large number of works are being carried out to improve access to special vehicles, such as, for example, and especially wheelchairs. Although accessibility has been greatly improved for the group of users who use these chairs, there is still much to do. Therefore, today, the use of stairs is limited exclusively to people who lack disabilities or to places that have some highly expensive technology to acquire, install and maintain. In the case of remote control vehicles there is also much to move forward, since most of them do not have a system that allows you to jump over obstacles.
El mecanismo que la invención propone resuelve de forma plenamente satisfactoria la problemática anteriormente expuesta, aportando una serie de ventajosas y novedosas características, y sin que ello suponga merma alguna de sus prestaciones en otros aspectos. The mechanism that the invention proposes solves in a fully satisfactory way the problem described above, providing a series of advantageous and innovative features, and without this reducing any of its benefits in other aspects.
La invención propuesta pretende aportar una solución económica, ecológica, práctica, sencilla y de fácil utilización, cuyo efecto sería una mayor libertad para usuarios de sillas de ruedas y un paso adelante en el uso de vehículos teledirigidos, permitiendo así que éstos puedan subir por escaleras sin ayuda de terceras personas.  The proposed invention aims to provide an economic, ecological, practical, simple and easy-to-use solution, the effect of which would be greater freedom for wheelchair users and a step forward in the use of remote control vehicles, thus allowing them to climb stairs Without help from third parties.
La patente objeto de esta invención tiene su campo de aplicación en el sector de los medios de transporte, y más específicamente en la de las sillas de ruedas y otros vehículos similares. ANTECEDENTES DE LA INVENCIÓN  The patent object of this invention has its field of application in the transport media sector, and more specifically in that of wheelchairs and other similar vehicles. BACKGROUND OF THE INVENTION
En el estado de la técnica encontramos algunos documentos relacionados con la invención en cuestión, aunque ninguno de ellos aporta las mismas características ventajosas ni resuelve eficazmente los inconvenientes existentes.  In the state of the art we find some documents related to the invention in question, although none of them provide the same advantageous characteristics nor effectively solve the existing drawbacks.
Así, en el documento ES 2 070 943 encontramos una silla de ruedas motorizada que comprende un conjunto motor-transmisión del cual un árbol de salida se extiende de ambas partes de la caja de transmisión y carga en cada una de sus extremidades un tren de rodamiento, este conjunto motor-transmisión cargando un soporte sobre el cual están armadas unas baterías de alimentación y que está proveído a su extremidad delantera inferior por lo menos una ruedecilla; caracterizada porque comprende una carrocería ligera sobre la cual el asiento y el respaldar del sillón en materia sintética están directamente inyectados; y porque comprende medios de fijación rápidas para acoplar y desacoplar la carrocería al soporte del conjunto motor-transmisión. Presenta el inconveniente de tener que acoplar o desacoplar un sistema de baterías, lo que complica y entorpece el proceso de utilización. Thus, in document ES 2 070 943 we find a motorized wheelchair that comprises a motor-transmission assembly from which an output shaft extends from both parts of the transmission box and loads a tread on each of its extremities , this engine-transmission assembly loading a support on which are supplied power batteries and which is provided to its lower front end by at least one wheel; characterized in that it comprises a light body on which the seat and the back of the chair in synthetic matter are directly injected; and because it comprises quick fixing means for coupling and uncoupling the body to the support of the engine-transmission set It has the disadvantage of having to attach or decouple a battery system, which complicates and hinders the use process.
Por otro lado, en el documento ES 2 213 919 se aporta un mecanismo de transporte para transportar un conjunto que soporta carga, comprendiendo dicho mecanismo de transporte: una vía flexible cerrada con una disposición de desviación intrínseca para desviar la vía flexible para adoptar una forma substancialmente circular; al menos dos rodillos de soporte que soportan dicha vía flexible en un lado interior del mismo, que en una primera posición de dicho mecanismo de transporte, en el que dicha vía adopta una forma circular, ejerciendo uno de los rodillos de soporte una fuerza que tiene un componente descendente sobre la vía flexible en un punto de contacto del mismo con la superficie del suelo; un mecanismo de desplazamiento acoplado al menos a uno de dichos rodillos de soporte para desplazar mutuamente los rodillos de soporte a una segunda posición, contra dicha disposición de desviación, en la que los rodillos de soporte fuerzan la vía para adoptar un estado en el que una porción extendida de la misma está en contacto con la superficie del suelo y al menos dos de dichos rodillos de soporte están colocados en dos extremos de dicha porción. Esta invención se refiere a una estructura externa al vehículo que debe estar previamente instalada, presenta el inconveniente del alto coste adicional para la creación y fijación de una estructura estática en todo tipo de terrenos.  On the other hand, in document ES 2 213 919 a transport mechanism is provided for transporting a load bearing assembly, said transport mechanism comprising: a closed flexible track with an intrinsic deviation arrangement for diverting the flexible track to take a shape. substantially circular; at least two support rollers supporting said flexible track on an inner side thereof, than in a first position of said transport mechanism, wherein said track adopts a circular shape, one of the support rollers exerting a force having a downward component on the flexible track at a point of contact thereof with the floor surface; a displacement mechanism coupled to at least one of said support rollers to mutually move the support rollers to a second position, against said deflection arrangement, in which the support rollers force the path to adopt a state in which a Extended portion thereof is in contact with the floor surface and at least two of said support rollers are placed at two ends of said portion. This invention relates to a structure external to the vehicle that must be previously installed, has the disadvantage of the high additional cost for the creation and fixation of a static structure in all types of terrain.
A su vez, en el documento ES 2 245 577 se reivindica una silla de ruedas eléctrica del tipo de las que convencionalmente incorporan un asiento situado sobre un bastidor soportado por unas ruedas delanteras y ruedas traseras y es autopropulsada por al menos un motor eléctrico cuyo movimiento está determinado por la acción del usuario sobre un panel de mandos, caracterizada porque el bastidor está montado sobre sendos ejes motrices que giran por acción de correspondientes motores eléctricos a los que se encuentran conectados, ejes motrices respecto a los que basculan sendos mecanismos trepadores dotados de elementos de transmisión que transmiten el movimiento de los motores eléctricos a sendas parejas de ruedas delanteras, cada una de las cuales se encuentra montada en línea sobre cada mecanismo trepador avanzando en dirección horizontal y basculando solidariamente con dicho mecanismo trepador respecto al eje motriz elevándose o descendiendo para la superación de obstáculos. Una importante suma de complejidad hace inviable esta invención, además, es aplicable sólo a sillas que previamente hayan sido fabricadas con el mencionado sistema. In turn, in document ES 2 245 577 an electric wheelchair of the type of which conventionally incorporates a seat located on a frame supported by front wheels and rear wheels is claimed and is self-propelled by at least one electric motor whose movement is determined by the user action on a control panel, characterized in that the frame is mounted on two drive axles that rotate by action of corresponding electric motors to which they are connected, drive axles with respect to which two climbing mechanisms provided with transmission elements that they transmit the movement of the electric motors to two pairs of front wheels, each of which is mounted in line on each climbing mechanism advancing in a horizontal direction and tilting in solidarity with said climbing mechanism with respect to the driving axle rising or descending to overcome obstacles A significant amount of complexity makes this invention unfeasible, and it is only applicable to chairs that have previously been manufactured with the mentioned system.
Así vemos, que hasta ahora no se conocía un mecanismo que por sus novedosas características resuelva los inconvenientes mencionados anteriormente tanto en cuanto a los documentos citados como a otras invenciones o mecanismos tradicionales que encontramos en el estado de la técnica.  Thus, we see that until now there was no known mechanism that, due to its novel characteristics, resolves the aforementioned problems both in terms of the documents cited and other inventions or traditional mechanisms that we find in the state of the art.
Tomando en consideración los casos mencionados y analizados los argumentos conjugados, con la invención que se propone en este documento se da lugar a un resultado final en el que se aportan aspectos diferenciadores significativos frente al estado de la técnica actual, y donde se aportan una serie de avances en los elementos ya conocidos con sus ventajas correspondientes.  Taking into consideration the cases mentioned and analyzing the conjugate arguments, with the invention proposed in this document, a final result is produced in which significant differentiating aspects are provided in relation to the state of the art, and where a series is provided. of advances in the elements already known with their corresponding advantages.
En particular:  In particular:
Se logra un sistema que permite superar obstáculos como pueden ser la subida o bajada de escaleras, aceras, etc., sin la ayuda directa de terceras personas, brindando mayor libertad y posibilidades al usuario. It achieves a system that allows overcoming obstacles such as the rise or fall of stairs, sidewalks, etc., without the direct help of third parties people, providing greater freedom and possibilities to the user.
Es un sistema aplicable a sillas de ruedas u otros vehículos similares ya existentes.  It is a system applicable to wheelchairs or other similar existing vehicles.
- Se encuentra instalado en el mismo vehículo, por lo tanto, no se depende de que el lugar disponga de una determinada estructura.  - It is installed in the same vehicle, therefore, it does not depend on the place having a certain structure.
No se requiere el continuo acople de elementos externos.  The continuous coupling of external elements is not required.
- Resulta estético.  - It is aesthetic.
Aporta una solución sencilla pero eficaz.  It provides a simple but effective solution.
Resulta fácil de utilizar y cómodo.  It is easy to use and convenient.
Este sistema también es aplicable a carretillas y otros vehículos de carga.  This system is also applicable to trucks and other cargo vehicles.
DESCRIPCIÓN DE LA INVENCIÓN DESCRIPTION OF THE INVENTION
Así, la presente invención está constituida a partir de los siguientes elementos:  Thus, the present invention is constituted from the following elements:
Una estructura constituida por al menos cinco actuadores telescópicos con sensores, dispuestos de forma radial, unidos por uno de sus extremos a dos aros centrales y concéntricos, y que presentan en su extremo opuesto unos empujadores de un material con un alto coeficiente de rozamiento. El mecanismo se encuentra conectado a un circuito electrónico programable. La estructura se encuentra entre las ruedas de un mismo eje de un vehículo.  A structure constituted by at least five telescopic actuators with sensors, arranged radially, joined by one of its ends to two central and concentric rings, and at their opposite end have pushers of a material with a high coefficient of friction. The mechanism is connected to a programmable electronic circuit. The structure is between the wheels of the same axle of a vehicle.
En una realización diferente, el sistema presenta al menos dos estructuras en el mismo eje, constituyéndose en las ruedas del vehículo.  In a different embodiment, the system has at least two structures on the same axle, becoming the wheels of the vehicle.
En otra realización, los actuadores están sujetos a un solo aro y en diferentes planos, siendo dichos actuadores secantes con respecto al aro, consiguiendo una mayor longitud para un mismo diámetro de rueda. In another embodiment, the actuators are subject to a single ring and in different planes, said actuators being drying with with respect to the ring, getting a greater length for the same wheel diameter.
BREVE DESCRIPCIÓN DE LOS DIBUJOS BRIEF DESCRIPTION OF THE DRAWINGS
Para una mejor comprensión de esta memoria descriptiva se acompaña un dibujo que a modo de ejemplo no limitativo, describen una realización preferida de la invención:  For a better understanding of this specification, a drawing is attached which, by way of non-limiting example, describes a preferred embodiment of the invention:
Figura 1.- Vista lateral de la invención  Figure 1.- Side view of the invention
En dichas figuras se destacan los siguientes elementos numerados:  These figures include the following numbered elements:
1. Estructura  1. Structure
2. Actuadores  2. Actuators
3. Aros  3. Hoops
4. Empujadores  4. Pushers
5. Vehículo  5. Vehicle
Una realización preferida de la invención propuesta, se constituye a partir de los siguientes elementos: una estructura (1 ) constituida por al menos cinco actuadores (2) telescópicos con sensores, dispuestos de forma radial, unidos por uno de sus extremos a dos aros (3) centrales y concéntricos, y que presentan en su extremo opuesto unos empujadores (4) de un material con un alto coeficiente de rozamiento. El mecanismo se encuentra conectado a un circuito electrónico programable. La estructura se encuentra entre las ruedas de un mismo eje de un vehículo (5).  A preferred embodiment of the proposed invention is constituted from the following elements: a structure (1) consisting of at least five telescopic actuators (2) with sensors, arranged radially, connected by one of its ends to two rings ( 3) central and concentric, and having at their opposite end pushers (4) of a material with a high coefficient of friction. The mechanism is connected to a programmable electronic circuit. The structure is between the wheels of the same axle of a vehicle (5).

Claims

REIVINDICACIONES
1. - MECANISMO PARA LA ELEVACIÓN DE VEHÍCULOS POR ESCALERAS, caracterizado por estar constituido a partir de una estructura de al menos cinco actuadores telescópicos con sensores que presentan en sus extremos exteriores unos empujadores de un material con un alto coeficiente de rozamiento, encontrándose todo el mecanismo conectado a un circuito electrónico programable.  1. - MECHANISM FOR THE ELEVATION OF VEHICLES BY STAIRS, characterized by being constituted from a structure of at least five telescopic actuators with sensors that present at their outer ends some pushers of a material with a high coefficient of friction, being all the mechanism connected to a programmable electronic circuit.
2. - MECANISMO PARA LA ELEVACIÓN DE VEHÍCULOS POR ESCALERAS, según reivindicación 1 , caracterizado por que los actuadores están dispuestos de forma radial, unidos por sus extremos interiores a dos aros centrales y concéntricos, y por que estructura se encuentra entre las ruedas de un mismo eje de un vehículo.  2. - MECHANISM FOR THE LIFTING OF VEHICLES BY STAIRS, according to claim 1, characterized in that the actuators are arranged radially, joined by their inner ends to two central and concentric rings, and by which structure is located between the wheels of a Same axis of a vehicle.
3.- MECANISMO PARA LA ELEVACIÓN DE VEHÍCULOS 3.- MECHANISM FOR THE ELEVATION OF VEHICLES
POR ESCALERAS, según reivindicación 1 , caracterizado por que el sistema presenta al menos dos estructuras en el mismo eje, siendo éstas las ruedas del vehículo. BY STAIRS, according to claim 1, characterized in that the system has at least two structures on the same axis, these being the wheels of the vehicle.
4.- MECANISMO PARA LA ELEVACIÓN DE VEHÍCULOS POR ESCALERAS, según reivindicación 1 , caracterizado por que los actuadores están sujetos a un solo aro y en diferentes planos, siendo dichos actuadores secantes con respecto al aro.  4.- MECHANISM FOR THE LIFTING OF VEHICLES BY STAIRS, according to claim 1, characterized in that the actuators are subject to a single ring and in different planes, said actuators being drying with respect to the ring.
PCT/ES2012/000239 2011-09-28 2012-09-13 Mechanism for lifting vehicles up stairs WO2013045719A1 (en)

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ESP201101059 2011-09-28
ES201101059A ES2406379B1 (en) 2011-09-28 2011-09-28 MECHANISM FOR THE ELEVATION OF VEHICLES BY STAIRS.

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Cited By (2)

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Publication number Priority date Publication date Assignee Title
CN105434121A (en) * 2015-12-22 2016-03-30 焦建民 Electric stair climbing wheelchair
CN106671695A (en) * 2017-01-09 2017-05-17 王超 Deformable wheel on trolley

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US20060185911A1 (en) * 2005-02-22 2006-08-24 Gamma Two, Inc. Stair climbing platform apparatus and method
US20080251300A1 (en) * 2007-04-16 2008-10-16 Frankie Thomas T Automated wheelchair

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US20060185911A1 (en) * 2005-02-22 2006-08-24 Gamma Two, Inc. Stair climbing platform apparatus and method
US20080251300A1 (en) * 2007-04-16 2008-10-16 Frankie Thomas T Automated wheelchair

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BLANCO E: "Portfolio of Selected Works - Aids for Handicapped", - 12 December 1995 (1995-12-12), XP008135787, Retrieved from the Internet <URL:http://web.archive.org/web/20070817062603/http://web.mit.edu/erblan/www/stairwheel.html> *

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105434121A (en) * 2015-12-22 2016-03-30 焦建民 Electric stair climbing wheelchair
CN105434121B (en) * 2015-12-22 2017-05-17 焦建民 Electric stair climbing wheelchair
CN106671695A (en) * 2017-01-09 2017-05-17 王超 Deformable wheel on trolley

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ES2406379B1 (en) 2014-09-26
ES2406379A1 (en) 2013-06-06

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