ES1076018U

ES1076018U - Portable ladder of extensible and graduable legs (Machine-translation by Google Translate, not legally binding)

Info

Publication number: ES1076018U
Application number: ES201100983U
Authority: ES
Inventors: Jose Isaias Miranda Perez
Original assignee: Individual
Current assignee: Individual
Priority date: 2011-10-06
Filing date: 2011-10-06
Publication date: 2012-01-30
Anticipated expiration: 2021-10-06
Also published as: ES1076018Y

Abstract

Portable ladder with extendable and adjustable legs, consisting of two identical parts (1a), formed by two spars (2) and a plurality of rungs (3), and said parts (1a) being joined by an articulated joint (4) ) that allows to fix its positioning at an angle or in a straight line, said parts (1a) being able to be telescopically extendable or not, and being provided with a double safety hook that fixes its two parts (1a) when arranged in inverted v, characterized because, at the distal ends (2a) of each of the stringers (2) of each part (1a) of the ladder (1), which are constituted by hollow tubes, the incorporation of an extendable leg (5) is foreseen. ) formed by a tubular section that penetrates more or less inside the said hollow constituent tube of the distal end of the corresponding spar (2); and in that said extendable legs (5) have adjustable and independent fixing means in each of them. (Machine-translation by Google Translate, not legally binding)

Description

Escalera portátil de patas extensibles y graduables.Portable ladder with extendable legs and adjustable.

Object of the invention

La invención, tal como expresa el enunciado de la presente memoria descriptiva, se refiere a una escalera portátil de patas extensibles y graduables que aporta a la función a que se destina varias ventajas y características de novedad, inherentes a su innovadora configuración y organización y que se describirán en detalle más adelante, que suponen una destacable mejora frente a lo ya conocido en el mercado.The invention, as expressed in the statement of The present specification refers to a portable ladder with extensible and adjustable legs that contributes to the function to which destines several advantages and novelty characteristics, inherent to its innovative configuration and organization and that will be described in detail later, which represent a remarkable improvement over what already known in the market.

Más en particular, el objeto de la invención se centra en una escalera portátil, particularmente una escalera portátil del tipo conocido como doble de tijera y que, realizada en aluminio o madera, está constituida por dos partes idénticas que se articulan entre sí, permitiendo su posicionado formando una V invertida, de forma que se sostiene por sí sola, o totalmente recta, en cuyo caso se ha de apoyar superiormente a una pared, muro o similar, presentando la particularidad de que los extremos distales de cada parte de dicha escalera cuentan con unas patas extensibles individualmente, es decir, de forma independiente una de otra, lo cual permite graduar su posicionado sobre escaleras, rampas o terraplenes inclinados manteniendo la horizontabilidad, además de permitir también la extensión adicional de la escalera.More particularly, the object of the invention is focuses on a portable ladder, particularly a ladder portable of the type known as double scissors and that, made in aluminum or wood, is constituted by two identical parts that articulate each other, allowing its positioning forming a V inverted, so that it stands on its own, or completely straight, in which case it must be supported superiorly to a wall, wall or similar, presenting the peculiarity that the distal ends of each part of said ladder they have extensible legs individually, that is, independently of each other, what which allows you to graduate your position on stairs, ramps or inclined embankments maintaining the horizontability, in addition to also allow additional extension of the ladder.

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Field of application of the invention

El campo de aplicación de la presente invención se enmarca dentro del sector de la industria dedicado a la fabricación de escaleras portátiles, centrándose particularmente en el ámbito de las escaleras portátiles articuladas.The field of application of the present invention It is part of the industry sector dedicated to the manufacture of portable ladders, focusing particularly on the scope of articulated portable stairs.

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Background of the invention

Como referencia al estado de la técnica, debe señalarse que, si bien son ampliamente conocidas las escaleras portátiles dobles del tipo que aquí concierne, por parte del solicitante se desconoce la existencia de ninguna que presente unas características estructurales, constitutivas o de configuración semejantes a las que presenta la que aquí se preconiza, es decir, que cuente con patas extensibles y graduables individualmente, ya que la mayoría de las escaleras existentes en el mercado tienen patas fijas y, como mucho, son extensibles los tramos de escalera, pero que mantienen siempre las dos patas de cada tramo a la misma altura, con el consiguiente inconveniente cuando la escalera portátil, porque el trabajo a realizar así lo requiera, se ha de instalar transversalmente sobre una escalera de peldaños, sobre una rampa o sobre cualquier otra superficie inclinada.As a reference to the state of the art, you should it should be noted that, although stairs are widely known double laptops of the type that concerns here, by the applicant is unknown the existence of any that presents some structural, constitutive or configuration features similar to the ones presented here, that is, that has extendable and individually adjustable legs, and that most of the existing stairs in the market have fixed legs and, at most, the ladder sections are extensible, but that they always keep the two legs of each section at the same height, with the consequent inconvenience when the ladder portable, because the work to do so requires it, it must be install transversely on a step ladder, on a ramp or on any other inclined surface.

El objetivo de la presente invención es, pues, dotar al mercado de un nuevo tipo de escalera que proporcione una solución práctica a dicha problemática y que permita mantener la escalera, en tales casos, totalmente horizontal para poder trabajar con garantías de seguridad.The aim of the present invention is therefore provide the market with a new type of ladder that provides a practical solution to this problem and to maintain the ladder, in such cases, completely horizontal to work With security guarantees.

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Explanation of the invention.

Así, la escalera portátil de patas extensibles y graduables que la presente invención propone se configura como una destacable novedad dentro de su campo de aplicación, ya que a tenor de su implementación y de forma taxativa se alcanzan satisfactoriamente los objetivos anteriormente señalados como idóneos, estando los detalles caracterizadores que lo hacen posible y que la distinguen de lo ya conocido en el mercado, convenientemente recogidos en las reivindicaciones finales que acompañan a la presente memoria descriptiva de la misma.Thus, the portable ladder with extendable legs and graduates that the present invention proposes are configured as a remarkable novelty within its field of application, since under of its implementation and in a taxable way they are achieved satisfactorily the above objectives as suitable, being the characterizing details that make it possible and that distinguish it from what is already known in the market, conveniently set forth in the final claims that accompany this report.

De forma concreta, lo que la invención preconiza es, como ya se ha apuntado anteriormente, una escalera portátil, realizada en aluminio o madera, que está constituida por dos partes idénticas, formadas cada una de ellas por sendos largueros paralelos, o ligeramente divergentes, unidos por peldaños, en la que dichas partes se articulan entre sí mediante una unión móvil que vincula los largueros de cada lado de las mismas y, en función de su posicionado, permite disponer la escalera formando una V invertida, o dispuesta totalmente recta.Specifically, what the invention advocates It is, as noted above, a portable ladder, made of aluminum or wood, which consists of two parts identical, each formed by two stringers parallel, or slightly divergent, joined by steps, in which said parts are articulated with each other by a mobile joint that link the stringers on each side of them and, depending on their positioned, allows to arrange the ladder forming an inverted V, or arranged completely straight.

De acuerdo con la invención, al escalera así configurada, presenta la particularidad de que los extremos distales de cada uno de los dos largueros de cada parte articulada de la escalera, constituyentes de las patas de apoyo de la misma, cuentan con unas extensiones regulables de manera independiente, lo cual permite, ventajosamente, graduar la longitud de cada una de dichas patas y así poder disponerlas según convenga en cada tipo de terreno sobre el que se vaya a instalar la escalera.According to the invention, the ladder like this configured, it has the peculiarity that the distal ends of each of the two stringers of each articulated part of the stairs, constituents of the support legs of the same, have with independently adjustable extensions, which allows, advantageously, to adjust the length of each of said legs and thus be able to arrange them as appropriate in each type of terrain on which the ladder is to be installed.

Según otra de las características de la escalera de la invención, esta está dotada, además, de un gancho de seguridad que fija ambas partes de la misma entre sí, cuando estas se disponen en V invertida con el objetivo de evitar que pueda abrirse de forma involuntaria, estando dicho gancho diseñado para que se pueda incorporar sobre él una bandeja para colocar herramientas u otros utensilios.According to another of the characteristics of the stairs of the invention, it is also provided with a safety hook which fixes both parts of it, when they are arranged inverted V with the aim of preventing it from being opened involuntary, said hook being designed so that it can be incorporate on it a tray to place tools or others Utensils.

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Visto lo que antecede se constata que la descrita escalera portátil de patas extensibles y graduables representa una estructura innovadora de características estructurales y constitutivas desconocidas hasta ahora para el fin a que se destina, razones que unidas a su utilidad práctica, la dotan de fundamento suficiente para obtener el privilegio de exclusividad que se solicita.Having seen the above, it is found that the described portable ladder with extendable and adjustable legs represents an innovative structure of features structural and constitutive unknown so far for the purpose to that is intended, reasons that together with its practical utility, endow it of sufficient foundation to obtain the privilege of exclusivity that is requested.

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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 escalera de la invención, se acompaña la presente memoria descriptiva, como parte integrante de la misma, de un juego de planos, en los que con carácter ilustrativo y no limitativo se ha representado lo siguiente:To complement the description that is being performing and in order to help a better understanding of the characteristics of the ladder of the invention, the This descriptive report, as an integral part thereof, of a set of planes, in which with an illustrative nature and not limiting the following has been represented:

Las figuras número 1 y 2.- Muestran, respectivamente, una vista en alzado lateral y en perspectiva de un ejemplo de realización de la escalera objeto de la invención, representada en posición de V invertida, apreciándose en ellas las partes y elementos que la integran así como la configuración y disposición de las mismas.Figures number 1 and 2.- Show, respectively, a side elevation and perspective view of a exemplary embodiment of the ladder object of the invention, represented in the inverted V position, where the parts and elements that integrate it as well as the configuration and disposition of them.

La figura número 3.- Muestra una vista en alzado frontal del ejemplo de escalera, según la invención, mostrado en las figuras precedentes, en este caso representada en posición totalmente recta y con las patas de una sus partes reguladas a distinta altura para ajustarías a los escalones sobre los que se ha dispuesto apoyada.Figure number 3.- Shows an elevation view front of the ladder example, according to the invention, shown in the previous figures, in this case represented in position totally straight and with the legs of one its parts regulated to different height to adjust to the steps on which willing supported.

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Preferred Embodiment of the Invention

A la vista de las mencionadas figuras y de acuerdo con la numeración adoptada, se puede apreciar en ellas un ejemplo de realización preferido de la invención, estando las partes y elementos que la constituyen amplia y detalladamente descritos a continuación.In view of the aforementioned figures and of according to the numbering adopted, you can see in them a preferred embodiment of the invention, the parts being and elements that constitute it broadly and in detail described to continuation.

Así, tal como se observa en dichas figuras, la escalera (1) en cuestión está constituida, de forma convencional, por dos partes (1a) idénticas, formadas cada una de ellas por dos largueros (2) unidos entre sí por una pluralidad de peldaños (3), y estando dichas dos partes (1a) unidas entre sí mediante una unión articulada (4) que vincula los largueros (2) de ambas partes y permite fijar su posicionado en ángulo, formando V invertida (figuras 1 y 2) o en línea recta (figura 3). Es importante señalar que cada una de dichas partes (1a) que constituyen la escalera (1), puede ser o no de tipo extensible telescópicamente.Thus, as observed in these figures, the Staircase (1) in question is constituted, in a conventional way, by two identical parts (1a), each formed by two stringers (2) joined together by a plurality of steps (3), and said two parts (1a) being joined together by a joint articulated (4) that links the stringers (2) of both parts and allows you to set your position at an angle, forming inverted V (Figures 1 and 2) or in a straight line (Figure 3). It is important to point out that each of said parts (1a) that constitute the ladder (1), It may or may not be telescopically extensible.

En los extremos distales (2a) de cada uno de los citados largueros (2) de cada parte (1a) de la escalera (1), los cuales están constituidos por tubos huecos, y ya de forma caracterizadora, se ha previsto la incorporación de una pata extensible (5), la cual está conformada por una sección tubular que penetra más o menos en el interior del citado tubo constituyente del extremo distal del larguero (2) correspondiente. Lógicamente, el extremo final de las patas extensibles, podrá incorporar un tope (5a) que evite el deslizamiento de las mismas.At the distal ends (2a) of each of the said stringers (2) of each part (1a) of the ladder (1), the which are constituted by hollow tubes, and already of form characterizing, it is planned to incorporate a leg extensible (5), which is made up of a tubular section that penetrates more or less into the said constituent tube of the distal end of the corresponding stringer (2). Logically, the end of the extendable legs, you can incorporate a stop (5a) that prevents them from sliding.

Además, para fijar dichas patas extensibles (5) en la posición deseada, éstas están provistas de medios de fijación regulables e independientes en cada una de las cuatro patas de la escalera (1), pudiendo consistir, por ejemplo, en orificios (6) practicados en ellas y repartidos a lo largo de la mismas, en los que se inserta un pasador (7) y que atraviesa el extremo distal (2a).In addition, to fix said extendable legs (5) in the desired position, these are provided with fixing means adjustable and independent on each of the four legs of the ladder (1), which may consist, for example, of holes (6) practiced in them and distributed throughout the same, in the that a pin (7) is inserted and that it crosses the distal end (2nd).

Por otra parte los citados extremos distales (2a) de los largueros (2) están ligeramente acodados hacia el exterior, de forma que proporcionan un punto de apoyo mejorado a la escalera que, además, con las patas extensibles (5) aumenta de forma proporcional al grado de extensión de las mismas, ya que conforme se alargan, se van separando entre sí.On the other hand, the aforementioned distal ends (2a) of the stringers (2) are slightly angled towards the outside, so that they provide an improved foothold to the ladder that, in addition, with the extendable legs (5) increases in shape proportional to the degree of extension of the same, since as lengthen, they separate from each other.

Por último, cabe señalar que la escalera (1) está dotada de un doble gancho de seguridad que fija las dos partes (1a) de la misma cuando se dispone en V invertida, estando dicho doble gancho conformado por sendas pletinas (8), una a cada lado de la escalera, entre las que se incorpora una bandeja (9) para depositar herramientas u otros utensilios que, por ejemplo provista de faldones laterales, encaja sobre dichas pletinas (8).Finally, it should be noted that the ladder (1) It is equipped with a double safety hook that fixes the two parts (1a) thereof when available in inverted V, said being double hook conformed by pletinas paths (8), one on each side of the ladder, between which a tray (9) is incorporated for deposit tools or other utensils that, for example provided of side skirts, fits on said plates (8).

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 tenga suficiente información para que comprenda su alcance y las ventajas que de ella se derivan así como para poder proceder a la reproducción de la misma, haciendo constar que, dentro de su esencialidad, podrá ser llevada a la práctica en otras formas de realización que difieran en detalle de la indicada a título de ejemplo, y a las cuales alcanzará igualmente la protección que se recaba siempre que no se altere, cambie o modifique su principio fundamental.Describe sufficiently the nature of the The present invention, as well as the way of putting it into practice, is not considers it necessary to extend its explanation so that any subject matter expert has enough information to that understands its scope and the advantages that derive from it as well as to be able to proceed to the reproduction of it, doing record that, within its essentiality, it may be taken to the practice in other embodiments that differ in detail from the one indicated by way of example, and which will also reach the protection that is collected as long as it is not altered, changed or Modify your fundamental principle.

Claims

1. Portable ladder with extendable and adjustable legs, consisting of two identical parts (1a), formed by two stringers (2) and a plurality of steps (3), and said parts (1a) being joined by articulated joint (4) ) which allows to fix its positioning at an angle or in a straight line, said parts (1a) being able to be telescopic or not extensible, and being provided with a double safety hook that fixes its two parts (1a) when they are arranged in inverted V, characterized because, at the distal ends (2a) of each of the stringers (2) of each part (1a) of the ladder (1), which are constituted by hollow tubes, the incorporation of an extensible leg (5) ) formed by a tubular section that penetrates more or less into said hollow tube constituting the corresponding distal end of the stringer (2); and because, said extensible legs (5) have adjustable and independent fixing means in each of them.

2. Portable ladder of extensible and adjustable legs, according to claim 1, characterized in that the adjustable fixing means of the extensible legs (5) consist of holes (6) made therein, distributed along the same, in which a pin (7) is inserted through the distal end (2a) into which each leg is inserted.

3. Portable ladder with extensible and adjustable legs, according to claim 1 or 2, characterized in that the distal ends (2a) of the stringers (2) are slightly angled outwards, determining that the extensible legs (5) inserted in them, when extending, separate from each other.

4. Portable ladder with extendable and adjustable legs, according to any one of claims 1-3, characterized in that the double safety hook that fixes the two parts (1a) of the ladder when it is arranged in inverted V, is made up of flat tracks ( 8) between which a tray (9) for tools or other utensils that fits on said plates (8) is incorporated.