WO2021064265A1 - Accessory for wheelchair footrests - Google Patents

Accessory for wheelchair footrests Download PDF

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Publication number
WO2021064265A1
WO2021064265A1 PCT/ES2020/070549 ES2020070549W WO2021064265A1 WO 2021064265 A1 WO2021064265 A1 WO 2021064265A1 ES 2020070549 W ES2020070549 W ES 2020070549W WO 2021064265 A1 WO2021064265 A1 WO 2021064265A1
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WO
WIPO (PCT)
Prior art keywords
footrests
accessory
wheelchair
actuator
support platform
Prior art date
Application number
PCT/ES2020/070549
Other languages
Spanish (es)
French (fr)
Inventor
Benjamín REIXACH QUILEZ
Original Assignee
Reixach Quilez Benjamin
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Publication date
Application filed by Reixach Quilez Benjamin filed Critical Reixach Quilez Benjamin
Publication of WO2021064265A1 publication Critical patent/WO2021064265A1/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
    • A61G5/10—Parts, details or accessories
    • A61G5/12—Rests specially adapted therefor, e.g. for the head or the feet

Definitions

  • the invention refers to an accessory for wheelchair footrests that provides, for its intended function, advantages and characteristics, which are described in detail below.
  • the object of the present invention lies in the accessory element for wheelchair footrests that, incorporated in symmetrical pairs on each side of the front part of the chair, serves as a footrest support for the user, which, being a Folding and preferably removable element of the chair structure, has the particularity of comprising a folding mechanism provided with an easily accessible actuator, which can be manual or automatic, either electronic or pneumatic, which makes it possible to fold the same by the user of the chair in a practical and comfortable way, without having to get up or request help from third parties to proceed with said folding, both to raise its support platform and to rotate its frame towards the side of the chair support, and be able to get out of the chair safely.
  • a folding mechanism provided with an easily accessible actuator, which can be manual or automatic, either electronic or pneumatic, which makes it possible to fold the same by the user of the chair in a practical and comfortable way, without having to get up or request help from third parties to proceed with said folding, both to raise its support platform and to rotate its frame towards the side of the chair support, and be able to
  • the field of application of the present invention is framed within the sector of the industry dedicated to the manufacture of orthopedic articles, focusing particularly on the field of wheelchairs for people with reduced mobility, and more specifically on accessories. for said type of chairs.
  • wheelchairs have footrests, one for each foot, attached to the lower front part of the chair structure, and can be fixed or removable.
  • these footrests formed from a support platform, which in the use position is located horizontally to serve as a support base for the user's feet, and a tube frame that supports the platform. and for their anchorage to the structure, also tubular, of the chair, they must be folded, at least to raise the platform of each footrest laterally and position it vertically, so that the user can rest their feet on the floor and can get up from the chair. Safely.
  • the objective of the present invention is, therefore, to provide the market with a footrest for a wheelchair that allows solving this problem by including a mechanism that can be operated by the user without the need to bend down to the support platform. , and can even be activated automatically by means of a simple button.
  • a mechanism that can be operated by the user without the need to bend down to the support platform. , and can even be activated automatically by means of a simple button.
  • the accessory for wheelchair footrests that the invention proposes is configured as the ideal solution to the aforementioned objective, the characterizing details that make it possible and that distinguish it conveniently included in the final claims that accompany this description.
  • a footrest accessory for wheelchairs of which, incorporated in duplicate to the lower front part of the chair, serves to support each of the two feet.
  • a folding element preferably removable, which essentially comprises a support platform and a support frame, is distinguished by presenting the particularity of having a folding mechanism provided with an actuator located in a Easy access point for the user of the chair when sitting on it, at least allows the folding of the support platform in a practical and comfortable way, avoiding the need to bend down or get up or request help from third parties to proceed with said folding , and be able to get out of the chair safely.
  • said actuator of the folding mechanism It consists of a device of mechanical operation and manual actuation.
  • the actuator is an automatic device, either of the electronic type or of the pneumatic type.
  • the folding mechanism consists of a tensioning cable that, similar to how a bicycle brake works, links the distal end of the support platform with the upper end of the frame in such a way that, when tensioned through of the actuator located at the upper end of the frame, it retracts causing the support platform to be raised and, when it stops being tensioned, returns it to its horizontal position for use.
  • the folding mechanism consists of springs located in the footrests which, in the rest position, act by folding the footrests.
  • the weight of the feet causes and maintains the unfolding of the footrests.
  • the footrest accessory has a warning means that indicates the position in which the support platform is located, preventing the user from having to bend over to see the position in which it is located.
  • said footrest position warning means is an acoustic device, for example a buzzer which, associated with a retractable pin, is activated when the support platform trips over it when it is placed in the folded upright position.
  • the anchoring means with which the footrest accessory is coupled to the structure of the chair which are rotatable to allow the positioning of the footrest from its position of use, facing forward in the front part of the chair, to a non-use position, facing rearward on the side, preferably, they are also associated with a mechanism, in this case a turning mechanism, which makes them move by actuating another actuator also located within the reach of the user of the chair, which can be manually or automatically actuated.
  • the turning mechanism can consist of a simple set of bearings operated manually by a lever, or optionally a small electric motor with a battery and equipped with a double-position button to move the footrest and make it turn to one position or another. .
  • Figure number 1 Shows a schematic side elevation view of an example of a wheelchair with the footrest accessory that is the object of the invention incorporated, which has been represented in its position of use;
  • Figures number 2 and 3. show respective side elevation views of the same chair shown in figure 1, having been represented respectively with the footrest in a first folding position of the platform and in a second folding position with the frame rotated towards the outside of the chair frame;
  • Figures number 4 and 5. They show both perspective and larger-scale views of an example of the accessory for footrests of wheelchairs. wheels of the invention, which has been represented in the use position and in the folded position respectively.
  • the footrest accessory (1) of the invention is one of those which, incorporated in duplicate to the lower front part of a wheelchair (2), is made up of a folding element, that can be attached to the structure of said chair (2) in a fixed or removable way, essentially comprising:
  • a support platform (3) formed by an approximately rectangular flat piece, which can be metallic or made of plastic material, which can be folded from a horizontal position of use (as represented in figures 1 and 4) to a position vertical non-use (as shown in figures 2, 3 and
  • a support frame (4) formed by a section of tube to whose lower end is coupled, by means of an articulated joint (5), the support platform (3) and in whose upper end it has anchoring means (6) to the tube anterior of the chair frame (2).
  • the footrest accessory (1) is distinguished by comprising a folding mechanism (7) of the linked support platform (3) to an actuator (8) that is located in a point of easy access for the user of the chair when seated in it, to move said platform (3) from one position to another without having to bend down or get up.
  • the actuator (8) of the folding mechanism (7) of the platform (3) consists of a manual-type mechanical actuation device.
  • the folding mechanism (7) consists of a tensioning cable that, similar to a bicycle brake, links the distal end of the support platform (3) with the upper end of the tube section of the support frame (4) and whose tensioning, through the actuator (8), consisting of a pull or trigger located at said upper end of the frame (4), causes a retraction that determines the elevation of the support platform (3) and returns it to its horizontal position of use, when it ceases to be tensioned.
  • the actuator (8) is an automatic device, either of the electronic type or of the pneumatic type, although of said options no example has been represented in the figures.
  • the expert will be perfectly capable of reproducing it from the existing experience for other similar actuation devices and which usually comprise, for the first course, relays and electrical contacts associated with a power battery, or gas pistons associated with a push button. for the second assumption.
  • the footrest (1) of the preferred embodiment additionally has a warning means (9) that indicates to the user the position of the support platform (3) without having to see the position in which it's found.
  • said means Buzzer (9) is an acoustic device, for example a buzzer associated with a retractable pin, located in the tube section of the support frame (4), which is activated when the support platform (3) trips over it when it is placed in an upright non-use position.
  • the anchoring means (6) with which the footrest accessory (1) is coupled to the chair frame (2) are rotatable to allow the footrest to be positioned from its position of use, facing forward on the front part of the chair (2), as shown in figures 1 and 2, to a non-use position, facing backwards on the side of the chair (2), as shown in figure 3, They are associated with a turning mechanism (10) that makes them move when operating a second actuator (11) to which it is linked.
  • the turning mechanism (10) is made up of the set of bearings manually operated by a handle (11), as shown in Figures 4 and 5.
  • the turning mechanism (10) consists of an electric motor with a battery that can be operated in one direction of rotation or another through a double-position button.

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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)
  • Special Chairs (AREA)
  • Handcart (AREA)

Abstract

An accessory for wheelchair footrests which, formed by a folding element, and fixedly or removably attachable to the structure of a wheelchair (2), comprises essentially: a resting platform (3) that may be folded from a horizontal position of use to a vertical position of non-use and vice versa; and a supporting framework (4) at the lower extremity whereof the resting platform (3) is attached by means of an articulated joint (5), and at the upper extremity whereof it presents a means (6) for its anchoring to the forwardmost tube of the structure of the wheelchair (2), and comprises a manual or automatic mechanism (7) for the folding of the resting platform (3) linked to an actuator (8) located at a point easily accessible by the user of the wheelchair when seated therein, in order to move said platform (3) from one position to the other without having to bend down or stand up. Preferably, the accessory for wheelchair footrests comprises a warning means (9) to inform the user of the position of the resting platform (3), eliminating the need to physically view its position.

Description

ACCESORIO PARA REPOSAPIÉS DE SILLAS DE RUEDAS WHEELCHAIR FOOTREST ACCESSORY
MEMORIA DESCRIPTIVA OBJETO DE LA INVENCIÓN DESCRIPTIVE MEMORY OBJECT OF THE INVENTION
La invención, tal como expresa el enunciado de la presente memoria descriptiva, se refiere a un accesorio para reposapiés de sillas de ruedas que aporta, a la función a que se destina, ventajas y características, que se describen en detalle más adelante. The invention, as expressed in the wording of the present specification, refers to an accessory for wheelchair footrests that provides, for its intended function, advantages and characteristics, which are described in detail below.
El objeto de la presente invención recae, en el elemento accesorio para los reposapiés de las sillas de ruedas que, incorporado en pares simétricos a cada lado de la parte anterior de la silla, sirve como soporte reposapiés para el usuario, el cual, siendo un elemento plegable y, preferentemente, desmontable de la estructura de la silla, presenta la particularidad de comprender un mecanismo de plegado provisto de un actuador de fácil acceso, que puede ser manual o automático, bien electrónico o bien neumático, que posibilita el plegado del mismo por parte del propio usuario de la silla de manera práctica y cómoda, sin necesidad de que deba levantarse o solicitar ayuda de terceros para proceder a dicho plegado, tanto para elevar su plataforma de apoyo como para hacer girar hacia el lateral de la silla su armazón de soporte, y poder levantarse de la silla con seguridad. The object of the present invention lies in the accessory element for wheelchair footrests that, incorporated in symmetrical pairs on each side of the front part of the chair, serves as a footrest support for the user, which, being a Folding and preferably removable element of the chair structure, has the particularity of comprising a folding mechanism provided with an easily accessible actuator, which can be manual or automatic, either electronic or pneumatic, which makes it possible to fold the same by the user of the chair in a practical and comfortable way, without having to get up or request help from third parties to proceed with said folding, both to raise its support platform and to rotate its frame towards the side of the chair support, and be able to get out of the chair safely.
CAMPO DE APLICACIÓN DE LA INVENCIÓN FIELD OF APPLICATION OF THE INVENTION
El campo de aplicación de la presente invención se enmarca dentro del sector de la industria dedicada a la fabricación de artículos ortopédicos, centrándose particularmente en el ámbito de las sillas de ruedas para personas con movilidad reducida, y más concretamente en los accesorios para dicho tipo de sillas. The field of application of the present invention is framed within the sector of the industry dedicated to the manufacture of orthopedic articles, focusing particularly on the field of wheelchairs for people with reduced mobility, and more specifically on accessories. for said type of chairs.
ANTECEDENTES DE LA INVENCIÓN BACKGROUND OF THE INVENTION
Como es sabido, las sillas de ruedas presentan unos reposapiés, uno para cada pie, acoplados a la parte frontal inferior de la estructura de la silla, pudiendo ser de carácter fijo o desmontable. En cualquier caso, estos reposapiés, conformados a partir de una plataforma de apoyo, que en posición de uso queda situada en posición horizontal para servir de base de apoyo a los pies del usuario, y un armazón de tubo que sirve de soporte a la plataforma y para su anclaje a la estructura, también tubular, de la silla, deben ser plegados, al menos para elevar lateralmente la plataforma de cada reposapiés y posicionarla verticalmente, para que el usuario pueda apoyar los pies en el suelo y pueda levantarse de la silla con seguridad. As is known, wheelchairs have footrests, one for each foot, attached to the lower front part of the chair structure, and can be fixed or removable. In any case, these footrests, formed from a support platform, which in the use position is located horizontally to serve as a support base for the user's feet, and a tube frame that supports the platform. and for their anchorage to the structure, also tubular, of the chair, they must be folded, at least to raise the platform of each footrest laterally and position it vertically, so that the user can rest their feet on the floor and can get up from the chair. Safely.
El problema es que, actualmente, dichos reposapiés sólo se pliegan sujetando manualmente sus partes articuladas, para lo cual, es necesario agacharse y sujetar con la mano las plataformas para moverlas de la posición horizontal de uso a la posición vertical y viceversa, lo cual, especialmente para usuarios con movilidad reducida, a los que principalmente están dirigidas este tipo de sillas, suele ser una operación incómoda, complicada o incluso imposible de efectuar por sí mismos sin la ayuda de terceros. The problem is that, currently, these footrests are only folded by manually holding their articulated parts, for which, it is necessary to bend down and hold the platforms with the hand to move them from the horizontal position of use to the vertical position and vice versa, which, especially for users with reduced mobility, who are mainly aimed at this type of chair, it is usually an uncomfortable, complicated or even impossible operation to carry out by themselves without the help of third parties.
El objetivo de la presente invención es, pues, dotar al mercado de un reposapiés para silla de ruedas que permita solventar esta problemática mediante la inclusión en el mismo de un mecanismo que pueda ser actuado por el usuario sin necesidad de agacharse hasta la plataforma de apoyo, pudiendo incluso accionarlo de manera automática mediante un simple botón. Por otra parte, y como referencia al estado actual de la técnica cabe señalar que, al menos por parte del solicitante, se desconoce la existencia de ningún otro accesorio para reposapiés de sillas de ruedas, ni ninguna otra invención de aplicación similar, que presente unas características técnicas y estructurales iguales o semejantes a las que presenta el que aquí se reivindica. The objective of the present invention is, therefore, to provide the market with a footrest for a wheelchair that allows solving this problem by including a mechanism that can be operated by the user without the need to bend down to the support platform. , and can even be activated automatically by means of a simple button. On the other hand, and as a reference to the current state of the art, it should be noted that, at least by the applicant, the existence of any other accessory for wheelchair footrests, or any other invention with a similar application, is unknown, which presents some technical and structural characteristics equal or similar to those presented herein.
EXPLICACIÓN DE LA INVENCIÓN EXPLANATION OF THE INVENTION
El accesorio para reposapiés de sillas de ruedas que la invención propone se configura como la solución idónea al objetivo anteriormente señalado, estando los detalles caracterizadores que lo hacen posible y que la distinguen convenientemente recogidos en las reivindicaciones finales que acompañan a la presente descripción. The accessory for wheelchair footrests that the invention proposes is configured as the ideal solution to the aforementioned objective, the characterizing details that make it possible and that distinguish it conveniently included in the final claims that accompany this description.
Concretamente, lo que la invención propone, como se ha apuntado anteriormente, es un accesorio reposapiés para las sillas de ruedas de los que, incorporado por duplicado a la parte inferior delantera de la silla, sirve para el apoyo de cada uno de los dos pies del usuario, el cual, conformado a partir de un elemento plegable, preferentemente desmontable, que comprende esencialmente una plataforma de apoyo y un armazón de soporte, se distingue por presentar la particularidad de contar con un mecanismo de plegado provisto de un actuador situado en un punto de fácil acceso para el usuario de la silla cuando está sentado en ella, posibilita, al menos, el plegado de la plataforma de apoyo de manera práctica y cómoda, evitando que deba agacharse o levantarse o solicitar ayuda de terceros para proceder a dicho plegado, y poder levantarse de la silla con seguridad. Specifically, what the invention proposes, as noted above, is a footrest accessory for wheelchairs of which, incorporated in duplicate to the lower front part of the chair, serves to support each of the two feet. of the user, which, formed from a folding element, preferably removable, which essentially comprises a support platform and a support frame, is distinguished by presenting the particularity of having a folding mechanism provided with an actuator located in a Easy access point for the user of the chair when sitting on it, at least allows the folding of the support platform in a practical and comfortable way, avoiding the need to bend down or get up or request help from third parties to proceed with said folding , and be able to get out of the chair safely.
En un modo de realización, dicho actuador del mecanismo de plegado consiste en un dispositivo de funcionamiento mecánico y accionamiento de tipo manual. En otro variante de realización el actuador es un dispositivo automático, bien de tipo electrónico o bien de tipo neumático. In one embodiment, said actuator of the folding mechanism It consists of a device of mechanical operation and manual actuation. In another alternative embodiment, the actuator is an automatic device, either of the electronic type or of the pneumatic type.
Por ejemplo, el mecanismo de plegado consiste en un cable tensor que, de modo similar a como actúa un freno de bicicleta, vincula el extremo distal de la plataforma de apoyo con el extremo superior del armazón de tal modo que, al ser tensionado a través del actuador ubicado en el extremo superior del armazón, se retrae provocando la elevación de la plataforma de apoyo y, al dejar de tensionarse, la devuelve a su posición horizontal de uso. For example, the folding mechanism consists of a tensioning cable that, similar to how a bicycle brake works, links the distal end of the support platform with the upper end of the frame in such a way that, when tensioned through of the actuator located at the upper end of the frame, it retracts causing the support platform to be raised and, when it stops being tensioned, returns it to its horizontal position for use.
En una realización alternativa, el mecanismo de plegado consiste en unos muelles situados en el en los reposapiés que en posición de reposo actúan plegando los reposapiés. En esta realización, cuando el usuario coloca los pies sobre los reposapiés, el peso de los pies provoca y mantiene el desplegado de los reposapiés. In an alternative embodiment, the folding mechanism consists of springs located in the footrests which, in the rest position, act by folding the footrests. In this embodiment, when the user places the feet on the footrests, the weight of the feet causes and maintains the unfolding of the footrests.
Adicionalmente, el accesorio reposapiés presenta un medio avisador que indica la posición en que se encuentra la plataforma de apoyo, evitando que el usuario deba agacharse para ver la posición en que se encuentra. Preferentemente, dicho medio avisador de la posición del reposapiés es un dispositivo acústico, por ejemplo un zumbador que, asociado a un tetón retráctil, se acciona al tropezar con éste la plataforma de apoyo cuando se coloca en posición vertical plegada. Additionally, the footrest accessory has a warning means that indicates the position in which the support platform is located, preventing the user from having to bend over to see the position in which it is located. Preferably, said footrest position warning means is an acoustic device, for example a buzzer which, associated with a retractable pin, is activated when the support platform trips over it when it is placed in the folded upright position.
Finalmente, cabe destacar que los medios de anclaje con que el accesorio reposapiés se acopla a la estructura de la silla, que son giratorios para permitir el posicionado del reposapiés desde su posición de uso, orientado hacia delante en la parte anterior de la silla, a una posición de no uso, orientado hacia atrás en la parte lateral, preferentemente, también están asociados a un mecanismo, en este caso uno de giro, que los hace mover al accionar otro actuador igualmente situado al alcance del usuario de la silla, el cual puede ser de accionamiento manual o automático. Finally, it should be noted that the anchoring means with which the footrest accessory is coupled to the structure of the chair, which are rotatable to allow the positioning of the footrest from its position of use, facing forward in the front part of the chair, to a non-use position, facing rearward on the side, preferably, they are also associated with a mechanism, in this case a turning mechanism, which makes them move by actuating another actuator also located within the reach of the user of the chair, which can be manually or automatically actuated.
Por ejemplo, el mecanismo de giro puede consistir en un simple conjunto de rodamientos accionados manualmente por una maneta, u opcionalmente en un pequeño motor eléctrico con pila y dotado de un botón de doble posición para mover el reposapiés y hacerlo girar hacia una posición u otra. For example, the turning mechanism can consist of a simple set of bearings operated manually by a lever, or optionally a small electric motor with a battery and equipped with a double-position button to move the footrest and make it turn to one position or another. .
DESCRIPCIÓN DE LOS DIBUJOS DESCRIPTION OF THE DRAWINGS
Para complementar la descripción que se está realizando y con objeto de ayudar a una mejor comprensión de las características de la invención, se acompaña a la presente memoria descriptiva, como parte integrante de la misma, un juego de planos en el que con carácter ilustrativo y no limitativo se ha representado lo siguiente: To complement the description that is being made and in order to help a better understanding of the characteristics of the invention, the present specification is attached, as an integral part thereof, to a set of drawings in which for illustrative purposes and non-limiting, the following has been represented:
La figura número 1.- Muestra una vista esquemática en alzado lateral de un ejemplo de silla de ruedas con el accesorio reposapiés objeto de la invención incorporado, el cual se ha representado en su posición de uso; las figuras número 2 y 3.- Muestran sendas vistas en alzado lateral de la misma silla mostrada en la figura 1, habiéndose representado respectivamente con el reposapiés en una primera posición de plegado de la plataforma y en una segunda posición de plegado con el armazón girado hacia el exterior de la estructura de la silla; y las figuras número 4 y 5.- Muestran sendas vistas en perspectiva y a mayor escala de un ejemplo del accesorio para reposapiés de sillas de ruedas de la invención, el cual se ha representado en posición de uso y en posición plegada respectivamente. Figure number 1.- Shows a schematic side elevation view of an example of a wheelchair with the footrest accessory that is the object of the invention incorporated, which has been represented in its position of use; Figures number 2 and 3.- They show respective side elevation views of the same chair shown in figure 1, having been represented respectively with the footrest in a first folding position of the platform and in a second folding position with the frame rotated towards the outside of the chair frame; and Figures number 4 and 5.- They show both perspective and larger-scale views of an example of the accessory for footrests of wheelchairs. wheels of the invention, which has been represented in the use position and in the folded position respectively.
REALIZACIÓN PREFERENTE DE LA INVENCIÓN PREFERRED EMBODIMENT OF THE INVENTION
A la vista de las mencionadas figuras, y de acuerdo con la numeración adoptada, se puede observar en ellas un ejemplo de realización no limitativa del accesorio para reposapiés de sillas de ruedas de la invención, el cual comprende lo que se describe en detalle a continuación. In view of the aforementioned figures, and in accordance with the adopted numbering, an example of a non-limiting embodiment of the accessory for wheelchair footrests of the invention can be observed, which comprises what is described in detail below .
Así, tal como se observa en dichas figuras, el accesorio reposapiés (1) de la invención es de los que, incorporado por duplicado a la parte inferior delantera de una silla (2) de ruedas, está constituido a partir de un elemento plegable, que puede ir acoplado a la estructura de dicha silla (2) de manera fija o de manera desmontable, comprendiendo esencialmente: Thus, as can be seen in said figures, the footrest accessory (1) of the invention is one of those which, incorporated in duplicate to the lower front part of a wheelchair (2), is made up of a folding element, that can be attached to the structure of said chair (2) in a fixed or removable way, essentially comprising:
- una plataforma (3) de apoyo, formada por una pieza plana aproximadamente rectangular, que puede ser metálica o de material plástico, que se puede plegar desde una posición horizontal de uso (como la representada en las figuras 1 y 4) a una posición vertical de no uso (como la que muestran las figuras 2, 3 y- a support platform (3), formed by an approximately rectangular flat piece, which can be metallic or made of plastic material, which can be folded from a horizontal position of use (as represented in figures 1 and 4) to a position vertical non-use (as shown in figures 2, 3 and
5); y 5); and
- Un armazón (4) de soporte formado por un tramo de tubo a cuyo extremo inferior se acopla, mediante unión articulada (5), la plataforma (3) de apoyo y en cuyo extremo superior posee unos medios de anclaje (6) al tubo anterior de la estructura de la silla (2). - A support frame (4) formed by a section of tube to whose lower end is coupled, by means of an articulated joint (5), the support platform (3) and in whose upper end it has anchoring means (6) to the tube anterior of the chair frame (2).
A partir de esta configuración ya conocida, el accesorio reposapiés (1), según la invención, se distingue por comprender un mecanismo de plegado (7) de la plataforma (3) de apoyo vinculado a un actuador (8) que está ubicado en un punto de fácil acceso para el usuario de la silla cuando está sentado en ella, para mover dicha plataforma (3) de una posición a otra sin tener que agacharse ni levantarse. From this well-known configuration, the footrest accessory (1), according to the invention, is distinguished by comprising a folding mechanism (7) of the linked support platform (3) to an actuator (8) that is located in a point of easy access for the user of the chair when seated in it, to move said platform (3) from one position to another without having to bend down or get up.
En un modo de realización, el actuador (8) del mecanismo de plegado (7) de la plataforma (3) consiste en un dispositivo mecánico de accionamiento de tipo manual. In one embodiment, the actuator (8) of the folding mechanism (7) of the platform (3) consists of a manual-type mechanical actuation device.
Por ejemplo, como se observa en las figuras 4 y 5, el mecanismo de plegado (7) consiste en un cable tensor que, de modo similar a un freno de bicicleta, vincula el extremo distal de la plataforma (3) de apoyo con el extremo superior del tramo de tubo del armazón (4) de soporte y cuyo tensionado, a través del actuador (8), consistente en un tirador o gatillo ubicado en dicho extremo superior del armazón (4), provoca una retracción que determina la elevación de la plataforma (3) de apoyo y la devuelve a su posición horizontal de uso, al dejar de tensionarse. For example, as seen in Figures 4 and 5, the folding mechanism (7) consists of a tensioning cable that, similar to a bicycle brake, links the distal end of the support platform (3) with the upper end of the tube section of the support frame (4) and whose tensioning, through the actuator (8), consisting of a pull or trigger located at said upper end of the frame (4), causes a retraction that determines the elevation of the support platform (3) and returns it to its horizontal position of use, when it ceases to be tensioned.
En otra variante de realización alternativa, el actuador (8) es un dispositivo automático, bien de tipo electrónico o bien de tipo neumático, si bien de dichas opciones no se ha representado ningún ejemplo en las figuras. No obstante, el experto será perfectamente capaz de reproducirlo a partir de la experiencia existente para otros dispositivos de accionamiento similar y que suelen comprender, para el primer supuesto relés y contactos eléctricos asociados a una pila de alimentación, o pistones de gas asociados a un pulsador para el segundo supuesto. In another alternative embodiment variant, the actuator (8) is an automatic device, either of the electronic type or of the pneumatic type, although of said options no example has been represented in the figures. However, the expert will be perfectly capable of reproducing it from the existing experience for other similar actuation devices and which usually comprise, for the first course, relays and electrical contacts associated with a power battery, or gas pistons associated with a push button. for the second assumption.
En cualquier caso, el reposapiés (1) del modo de realización preferida cuenta, adicionalmente, con un medio avisador (9) que indica al usuario la posición en que se encuentra la plataforma (3) de apoyo sin necesidad de ver la posición en que se encuentra. Preferentemente, dicho medio avisador (9) es un dispositivo acústico, por ejemplo un zumbador asociado a un tetón retráctil, ubicado en el tramo de tubo del armazón (4) de soporte, que se acciona al tropezar con este la plataforma (3) de apoyo cuando se coloca en posición vertical de no uso. In any case, the footrest (1) of the preferred embodiment additionally has a warning means (9) that indicates to the user the position of the support platform (3) without having to see the position in which it's found. Preferably, said means Buzzer (9) is an acoustic device, for example a buzzer associated with a retractable pin, located in the tube section of the support frame (4), which is activated when the support platform (3) trips over it when it is placed in an upright non-use position.
Finalmente, en un modo de realización, los medios de anclaje (6) con el que el accesorio reposapiés (1) se acopla a la estructura de la silla (2), son giratorios para permitir el posicionado del reposapiés desde su posición de uso, orientado hacia delante en la parte anterior de la silla (2), tal como muestran las figuras 1 y 2, a una posición de no uso, orientado hacia atrás en la parte lateral de la silla (2), como representa la figura 3, están asociados a un mecanismo de giro (10) que los hace mover al accionar un segundo actuador (11) al que está vinculado. Finally, in one embodiment, the anchoring means (6) with which the footrest accessory (1) is coupled to the chair frame (2), are rotatable to allow the footrest to be positioned from its position of use, facing forward on the front part of the chair (2), as shown in figures 1 and 2, to a non-use position, facing backwards on the side of the chair (2), as shown in figure 3, They are associated with a turning mechanism (10) that makes them move when operating a second actuator (11) to which it is linked.
Por ejemplo, en una opción de realización el mecanismo de giro (10) lo constituye el conjunto de rodamientos accionados manualmente por una maneta (11), tal como se representa en las figuras 4 y 5. Y, en otra forma de realización alternativa, no representada en las figuras, el mecanismo de giro (10) consiste en un motor eléctrico con pila accionable en un sentido de giro u otro a través de un botón de doble posición. For example, in one embodiment option the turning mechanism (10) is made up of the set of bearings manually operated by a handle (11), as shown in Figures 4 and 5. And, in another alternative embodiment, Not represented in the figures, the turning mechanism (10) consists of an electric motor with a battery that can be operated in one direction of rotation or another through a double-position button.
Descrita suficientemente la naturaleza de la presente invención, así como la manera de ponerla en práctica, no se considera necesario hacer más extensa su explicación para que cualquier experto en la materia comprenda su alcance y las ventajas que de ella se derivan. Having sufficiently described the nature of the present invention, as well as the way of putting it into practice, it is not considered necessary to make its explanation more extensive so that any expert in the field understands its scope and the advantages derived from it.

Claims

1.- Accesorio para reposapiés de sillas de ruedas que, conformado a partir de un elemento plegable, acoplable a la estructura de una silla (2) de ruedas de manera fija o de manera desmontable, comprende esencialmente: una plataforma (3) de apoyo, que se puede plegar desde una posición horizontal de uso a una posición vertical de no uso y viceversa; y un armazón (4) de soporte a cuyo extremo inferior se acopla, mediante unión articulada (5), la plataforma (3) de apoyo y en cuyo extremo superior presenta unos medios de anclaje (6) al tubo anterior de la estructura de la silla (2), está caracterizado por comprender un mecanismo de plegado (7) de la plataforma (3) de apoyo vinculado a un actuador (8) que está ubicado en un punto de fácil acceso para el usuario de la silla cuando está sentado en ella, para mover dicha plataforma (3) de una posición a otra sin tener que agacharse ni levantarse. 1.- Accessory for wheelchair footrests which, formed from a folding element, attachable to the structure of a wheelchair (2) in a fixed or removable way, essentially comprises: a support platform (3) , which can be folded from a horizontal position of use to a vertical position of non-use and vice versa; and a support frame (4) to whose lower end is coupled, by means of an articulated joint (5), the support platform (3) and at whose upper end it has anchoring means (6) to the front tube of the structure of the chair (2), is characterized by comprising a folding mechanism (7) of the support platform (3) linked to an actuator (8) that is located at a point of easy access for the user of the chair when seated on she, to move said platform (3) from one position to another without having to bend down or get up.
2.- Accesorio para reposapiés de sillas de ruedas, según la reivindicación2.- Accessory for wheelchair footrests, according to claim
1 , caracterizado porque el actuador (8) del mecanismo de plegado (7) de la plataforma (3) es un dispositivo mecánico de accionamiento de tipo manual. 1, characterized in that the actuator (8) of the folding mechanism (7) of the platform (3) is a manual-type mechanical actuation device.
3.- Accesorio para reposapiés de sillas de ruedas, según la reivindicación3.- Accessory for wheelchair footrests, according to claim
2, caracterizado porque el mecanismo de plegado (7) consiste en un cable tensor que vincula el extremo distal de la plataforma (3) de apoyo con el extremo superior del tramo de tubo del armazón (4) de soporte y cuyo tensionado, a través del actuador (8), consistente en un tirador o gatillo ubicado en dicho extremo superior del armazón (4), provoca una retracción que determina la elevación de la plataforma (3) de apoyo y la devuelve a su posición horizontal de uso, al dejar de tensionarse. 2, characterized in that the folding mechanism (7) consists of a tensioning cable that links the distal end of the support platform (3) with the upper end of the tube section of the support frame (4) and whose tensioning, through of the actuator (8), consisting of a pull or trigger located at said upper end of the frame (4), causes a retraction that determines the elevation of the support platform (3) and returns it to its horizontal position of use, when leaving to get stressed.
4.- Accesorio para reposapiés de sillas de ruedas, según la reivindicación 2, caracterizado porque el mecanismo de plegado (7) consiste en unos muelles situados en el en los reposapiés que en posición de reposo actúan plegando los reposapiés y cuando el usuario coloca los pies sobre los reposapiés, el peso de los pies provoca y mantiene el desplegado de los reposapiés 4.- Accessory for wheelchair footrests, according to claim 2, characterized in that the folding mechanism (7) consists of springs located in the footrests that, in the resting position, act by folding the footrests and when the user places the feet on the footrests, the weight of the feet causes and maintains the unfolded footrests
5.- Accesorio para reposapiés de sillas de ruedas, según la reivindicación 1 , caracterizado porque el actuador (8) es un dispositivo automático. 5. Accessory for wheelchair footrests, according to claim 1, characterized in that the actuator (8) is an automatic device.
6.- Accesorio para reposapiés de sillas de ruedas, según la reivindicación 5, caracterizado porque el actuador (8) es un dispositivo automático de tipo electrónico. 6. Accessory for wheelchair footrests, according to claim 5, characterized in that the actuator (8) is an automatic electronic device.
7.- Accesorio para reposapiés de sillas de ruedas, según la reivindicación 5, caracterizado porque el actuador (8) es un dispositivo automático de tipo neumático. 7. Accessory for wheelchair footrests, according to claim 5, characterized in that the actuator (8) is an automatic pneumatic-type device.
8.- Accesorio para reposapiés de sillas de ruedas, según cualquiera de las reivindicaciones anteriores, caracterizado porque presenta, adicionalmente, un medio avisador (9) que indica al usuario la posición en que se encuentra la plataforma (3) de apoyo sin necesidad de ver físicamente la posición en que se encuentra. 8. Accessory for wheelchair footrests, according to any of the preceding claims, characterized in that it additionally presents a warning means (9) that indicates to the user the position in which the support platform (3) is located without the need for physically see where you are.
9.- Accesorio para reposapiés de sillas de ruedas, según la reivindicación 8, caracterizado porque dicho medio avisador (9) es un dispositivo acústico. 9. Accessory for wheelchair footrests, according to claim 8, characterized in that said warning means (9) is an acoustic device.
PCT/ES2020/070549 2019-10-04 2020-09-15 Accessory for wheelchair footrests WO2021064265A1 (en)

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ESU201931606 2019-10-04
ES201931606U ES1237639Y (en) 2019-10-04 2019-10-04 WHEELCHAIR FOOTREST ACCESSORY

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Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6154690A (en) * 1999-10-08 2000-11-28 Coleman; Raquel Multi-feature automated wheelchair
US6422653B1 (en) * 2001-04-27 2002-07-23 Pawel Szczepanski Foot rest lifting and lowering device for a wheelchair
US6880845B1 (en) * 2003-10-20 2005-04-19 William H. Broyles Wheelchair footrest retractor
US20080001461A1 (en) * 2006-06-30 2008-01-03 Kouji Fujihara Manipulation device for wheelchair footrests
US20150209207A1 (en) * 2014-01-30 2015-07-30 University Of Pittsburgh - Of The Commonwealth System Of Higher Education Seating function monitoring and coaching system
WO2018187320A1 (en) * 2017-04-03 2018-10-11 U.S. Department Of Veterans Affairs Smart foot position sensor for power wheelchair users, and systems and methods of using same
US20190201259A1 (en) * 2018-01-04 2019-07-04 EasyWheelz, LLC Systems and Methods Related to Wheelchair Convenience and/or Safety

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6154690A (en) * 1999-10-08 2000-11-28 Coleman; Raquel Multi-feature automated wheelchair
US6422653B1 (en) * 2001-04-27 2002-07-23 Pawel Szczepanski Foot rest lifting and lowering device for a wheelchair
US6880845B1 (en) * 2003-10-20 2005-04-19 William H. Broyles Wheelchair footrest retractor
US20080001461A1 (en) * 2006-06-30 2008-01-03 Kouji Fujihara Manipulation device for wheelchair footrests
US20150209207A1 (en) * 2014-01-30 2015-07-30 University Of Pittsburgh - Of The Commonwealth System Of Higher Education Seating function monitoring and coaching system
WO2018187320A1 (en) * 2017-04-03 2018-10-11 U.S. Department Of Veterans Affairs Smart foot position sensor for power wheelchair users, and systems and methods of using same
US20190201259A1 (en) * 2018-01-04 2019-07-04 EasyWheelz, LLC Systems and Methods Related to Wheelchair Convenience and/or Safety

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ES1237639Y (en) 2020-02-11

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