ES1194635U - Chain open link, with closing mechanism. (Machine-translation by Google Translate, not legally binding) - Google Patents

Chain open link, with closing mechanism. (Machine-translation by Google Translate, not legally binding) Download PDF

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Publication number
ES1194635U
ES1194635U ES201731177U ES201731177U ES1194635U ES 1194635 U ES1194635 U ES 1194635U ES 201731177 U ES201731177 U ES 201731177U ES 201731177 U ES201731177 U ES 201731177U ES 1194635 U ES1194635 U ES 1194635U
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Prior art keywords
ring
opening
link
piece
closure piece
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Granted
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ES201731177U
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Spanish (es)
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ES1194635Y (en
Inventor
Asier RUIZ DE ERENTXUN LANZ
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Sociedad Anonima de Preformados Metalicos
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Sociedad Anonima de Preformados Metalicos
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Abstract

Chain open link, with closing mechanism, comprising: - a ring (1), opened laterally by an opening (11) through which another link or the element to be fixed in that ring can pass, which has on both sides (18) respective opposed lugs (17), which define separate assembly points of a closure piece (2), and at both ends of said opening (11), on one of its faces, respective windows (14), each of which define towards the inside of the ring a ramp area (15) that ends in a second window (16) located on the inner side and furthest from the opening (11) than the previous window (14), these windows (14) forming means for locking the ring in the closed position preventing the separation of the ends of said opening (11); - a closing piece (2) in the manner of a contrete that fits into the inner hollow of the ring (1), from which it protrudes: a) by one of the sides at least one lug (25), provided with two holes (26) suitable for coupling on the lugs (17) existing at the ends of the side opening (11) of the ring (1), and above and below these, parallel parallel legs (24), which once coupled this piece closing on the lugs (17) are facing the respective windows (16) of the ring and inserting the closure piece (2) inside the same prevent separation of the ends of said opening (11) or the opening of the ring (1); and b) on the opposite side some flanges (28, 29), which once assembled this piece (2) inside the ring (1), are on both sides of the body thereof, on the side (12), opposite the opening (11), keeping the closing piece (2) immovably coupled inside said ring (1). (Machine-translation by Google Translate, not legally binding)

Description

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DESCRIPCIONDESCRIPTION

Eslabon abierto de cadena, con mecanismo de cierre.Open chain link, with locking mechanism.

Objeto de la invencionObject of the invention

La invencion, como su nombre indica, consiste en un eslabon de una cadena, que dispone de una abertura lateral, que por tanto es facil de colocar entre los dos elementos o eslabones a relacionar, cerrandose por medio de un mecanismo, a modo de contrete, que bloquea la anilla en la posicion de cerrada, impidiendo la separation de los extremos de dicha abertura una vez colocado en posicion definitiva.The invention, as the name implies, consists of a link in a chain, which has a lateral opening, which is therefore easy to place between the two elements or links to be related, closing by means of a mechanism, as a contrete , which locks the ring in the closed position, preventing the separation of the ends of said opening once placed in the final position.

En principio este eslabon esta pensado para colgar una baliza del tipo descrito en el documento ES1105680; no obstante puede tener aplicacion en cualquier otro tipo de union o cadena, en la que ademas de un cierre resistente en el eslabon, se requiere un bajo coeficiente de rozamiento, que ocasione un desgaste bajo, por los movimientos de la union de este eslabon con otros elementos metalicos o plasticos. Dado su destino original, en el mecanismo de cierre se han previsto medios para limitar el movimiento de los elementos unidos a este eslabon, o del propio eslabon.In principle this link is intended to hang a beacon of the type described in document ES1105680; however, it can be applied in any other type of union or chain, in which, in addition to a resistant closure in the link, a low coefficient of friction is required, which causes low wear, due to the movements of the union of this link with other metallic or plastic elements. Given its original destination, in the closing mechanism means are provided to limit the movement of the elements attached to this link, or the link itself.

Antecedentes de la invencionBackground of the invention

Uno de los problemas que habitualmente presentan los eslabones abiertos es que se requieren unos medios de cierre, que aseguren que el eslabon no se abra al traccionar de los dos extremos del mismo, ya sea tirando de la cadena o colgando un peso del mismo. Por este motivo raramente los eslabones abiertos son de plastico, ya que cuando son de este material es imprescindible colocar un medio de cierre si se pretende que soporten una minima traction, por lo que son muy escasas las referencias encontradas en el estado de la tecnica sobre este tipo de eslabones.One of the problems that open links usually present is that closing means are required, which ensure that the link does not open when pulling the two ends thereof, either by pulling the chain or hanging a weight from it. For this reason, the open links are rarely made of plastic, since when they are made of this material it is essential to place a closing means if they are intended to support a minimal traction, so the references found in the state of the art are very scarce This type of links.

Actualmente existen eslabones abiertos, que presentan en los extremos de la abertura un gatillo o unas zonas roscadas en las que se acopla un pestillo, formando un cierre similar al de los mosquetones metalicos. Este tipo de cierre esta pensado para soluciones en las que es necesario abrir y cerrar en sucesivas ocasiones el eslabon.Currently there are open links, which present at the ends of the opening a trigger or threaded areas in which a latch is attached, forming a closure similar to that of metal carabiners. This type of closure is designed for solutions in which it is necessary to open and close the link on successive occasions.

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En los eslabones que disponen de un refuerzo transversal denominado contrete, este refuerzo tambien puede servir para establecer el cierre del eslabon, cuando es abierto, pero esta solucion habitualmente no permite quitar la pieza de cierre y volver a colocarla en un momento dado. Un ejemplo de un eslabon con contrete, que cumple con esta funcion esta descrito en el documento ES-0271464 U.In the links that have a transverse reinforcement called a contrete, this reinforcement can also be used to establish the closure of the link, when it is open, but this solution usually does not allow the closure piece to be removed and replaced at any given time. An example of a link with contrete, which fulfills this function is described in document ES-0271464 U.

El problema a resolver es conseguir un eslabon abierto, de un material plastico, dotado de un mecanismo de cierre que se pueda colocar despues que el eslabon ha sido enlazado en la cadena o en el elemento a unir, que al tiempo que impide que se vuelva a salir de su ubicacion tambien impida que el eslabon se abra por efecto de la traccion que tenga que soportar en el lugar en el que se coloque.The problem to solve is to obtain an open link, of a plastic material, equipped with a closing mechanism that can be placed after the link has been linked in the chain or in the element to be joined, which at the same time prevents it from coming back leaving your location also prevents the link from opening due to the traction you have to endure in the place where it is placed.

Otro de los problemas a resolver es que el elemento a colgar o a unir de este eslabon no tengo total libertad de movimiento y por tanto que su movimiento quede limitado, por ejemplo cuando un elemento cuelga del eslabon, que no pueda mas que balancearse levemente en una direction.Another problem to solve is that the element to hang or join this link does not have total freedom of movement and therefore that its movement is limited, for example when an element hangs on the link, which can only swing slightly in a direction.

Description de la inventionDescription of the invention

Con el fin de alcanzar los objetivos propuestos y evitar los inconvenientes mencionados en el apartado anterior, la invencion propone un dispositivo con las caracterlsticas de la reivindicacion 1.In order to achieve the proposed objectives and avoid the inconveniences mentioned in the previous section, the invention proposes a device with the characteristics of claim 1.

Este eslabon esta constituido por una anilla abierta lateralmente, que presenta en su abertura sendos tetones enfrentados que definen puntos de montaje para una pieza de cierre a modo de contrete, que encaja a traves de sendos orificios existentes en una patilla lateral de dicha pieza de cierre, en los que se acoplan los mencionados tetones de la anilla. Los extremos de la abertura de la anilla presentan por una de sus caras sendas ventanas que termina en una segunda ventana situada por la cara interior mas alejada de la citada abertura, que constituyen medios de acoplamiento de la pieza de cierre, a traves de sendas patillas paralelas, de forma que al introducirla en el interior de la anilla impiden la separation de los extremos de su abertura lateral, manteniendo la pieza de cierre acoplada de forma inamovible en el interior de la misma. Por el lateral opuesto la pieza de cierre dispone de unas pestanas que, una vez montada la pieza de cierre en el interior de la anilla, la inmovilizan por ambos laterales, impidiendo su extraction o calda de forma involuntaria.This link is constituted by a laterally open ring, which has two opposite lugs in its opening that define mounting points for a contrete closing piece, which fits through two holes existing in a side pin of said closing piece. , in which the aforementioned ring lugs are attached. The ends of the opening of the ring have, on one of their faces, two windows that end in a second window located on the inner side furthest from the said opening, which constitute means of coupling the closing piece, through two pins. parallel, so that when introduced inside the ring they prevent the separation of the ends of its lateral opening, keeping the closure piece immovably coupled inside it. On the opposite side the closure piece has some flanges that, once mounted the closure piece inside the ring, immobilize it on both sides, preventing its extraction or broth involuntarily.

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Para limitar el movimiento del eslabon se ha previsto que la citada pieza de cierre presente en la cara superior y/o en la inferior sendas ventanas planas, en sentido horizontal.In order to limit the movement of the link, it is provided that said closure piece is present in the upper face and / or in the lower one of the flat windows, horizontally.

En una realizacion preferente, la pieza de cierre presenta centralmente una amplia ventana central que define una pared lateral, por aquel en el que estan definidas las cunas de fijacion, que tiene cierta flexibilidad, a fin de facilitar el montaje de la pieza de cierre en el interior de la anilla. Opcionalmente esta ventana tiene al menos una prolongation paralela a la pared lateral, en la que estan definidas dichas cunas que le proporciona mayor flexibilidad a la hora de realizar el montaje de la pieza de cierre en el interior de la anilla.In a preferred embodiment, the closure piece has a central central window that defines a side wall, by which the fixing cradles are defined, which has some flexibility, in order to facilitate the assembly of the closure piece in The inside of the ring. Optionally, this window has at least one extension parallel to the side wall, in which said cradles are defined, which gives it greater flexibility when assembling the closing part inside the ring.

Se ha previsto que tanto la anilla, como la pieza de cierre se fabriquen en poliamida, con aditivo para bajo coeficiente de rozamiento, producto que tiene un desgaste bajo con los movimientos entre uniones de la misma y metal y entre poliamidas.It is envisaged that both the ring and the closure piece are manufactured in polyamide, with a low friction coefficient additive, a product that has low wear and tear with the movements between the metal and metal joints and between polyamides.

Descripcion de las figurasDescription of the figures

Para complementar la descripcion que se esta realizando y con objeto de facilitar la comprension de las caracterlsticas de la invention, se acompana a la presente memoria descriptiva un juego de dibujos en los que, con caracter ilustrativo y no limitativo, se ha representado lo siguiente:To complement the description that is being made and in order to facilitate the understanding of the features of the invention, a set of drawings is attached to the present specification in which, with an illustrative and non-limiting nature, the following has been represented:

La figura 1 representa sendas vistas en alzado planta y perfil de un eslabon, con el mecanismo de cierre montado.Figure 1 represents paths in plan elevation and profile of a link, with the closing mechanism mounted.

La figura 2 se corresponde con una vista en perspectiva de dicho eslabon con el mecanismo de cierre montado en el.Figure 2 corresponds to a perspective view of said link with the closing mechanism mounted therein.

La figura 3 muestra en una vista en perspectiva las dos piezas que conforman este eslabon separadas.Figure 3 shows in a perspective view the two pieces that make up this separate link.

La figura 4 muestra en una vista en perspectiva las dos piezas que conforman este eslabon colocadas en position previa al montaje de la pieza de cierre (2) en el interior de la anilla (1).Figure 4 shows in a perspective view the two parts that make up this link placed in position prior to the assembly of the closure piece (2) inside the ring (1).

Realizacion preferente de la invencionPreferred Embodiment of the Invention

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Como se puede observar en las figuras referenciadas el eslabon de la invencion esta formado por una anilla (1), abierta lateralmente por una abertura (11) a traves de la cual puede pasar otro eslabon o el elemento a fijar en esa anilla, y por una pieza de cierre (2), que en el montaje conforma un contrete tal y como se aprecia en las figuras 1 y 2.As can be seen in the referenced figures, the link of the invention is formed by a ring (1), opened laterally by an opening (11) through which another link or the element to be fixed in that ring can pass, and by a closure piece (2), which in the assembly forms a contrete as can be seen in figures 1 and 2.

La anilla (1) presenta en ambas caras (18) de la abertura (11) sendos tetones enfrentados (17), que definen sendos puntos de montaje de una pieza de cierre (2). Asl mismo, por una de sus caras y en ambos extremos de dicha abertura (11) presenta sendas ventanas (14), cada una de las cuales definen hacia el interior de la anilla una zona en rampa (15) que termina en una segunda ventana (16), la cual queda abierta la cara interior de la anilla (1) y en posicion mas alejada de la abertura (11) que la anterior ventana (14), conformando estas ventanas (16) unos medios de bloqueo de la anilla en la posicion de cerrada que impiden la separacion de los extremos de dicha abertura (11). Las ventanas (14) y las patillas (24) pueden estar situadas en posicion simetrica o asimetrica con respecto al eje horizontal del eslabon; cuando son asimetricas obligan a que las ventanas (22) y (23) se situen en una posicion definida de antemano y no indistintamente hacia arriba o hacia abajo.The ring (1) has on both sides (18) of the opening (11) two opposite lugs (17), which define two mounting points of a closure piece (2). Likewise, on one of its faces and at both ends of said opening (11) it presents two windows (14), each of which defines towards the inside of the ring a ramp area (15) that ends in a second window (16), which is open the inner face of the ring (1) and in a position further away from the opening (11) than the previous window (14), these windows (16) forming means for blocking the ring in the closed position that prevents the separation of the ends of said opening (11). The windows (14) and the pins (24) may be located in a symmetrical or asymmetrical position with respect to the horizontal axis of the link; when they are asymmetric they force the windows (22) and (23) to be placed in a position defined beforehand and not interchangeably up or down.

Por su parte la pieza de cierre (2), que encaja en el hueco interior de la anilla (1), presenta por un lateral al menos una patilla (25) que sobresale ligeramente y que esta provista de sendos orificios (26) aptos para acoplarse en los tetones (17) existentes en los extremos de la abertura lateral (11) de la anilla (1). Por encima y debajo de estas patillas (25), sendas patillas paralelas (24) las cuales, una vez acoplada esta pieza de cierre (2) en los tetones (17), quedan enfrentadas a las respectivas ventanas (16) de la anilla y al introducir la pieza de cierre (2) en el interior de la misma impiden la separacion de los extremos de dicha abertura (11), o la apertura de la anilla (1). Por el lateral opuesto a las patillas (24, 25) la pieza de cierre (2) dispone de unas pestanas (28, 29), que una vez montada esta pieza (2) en el interior de la anilla (1) quedan situadas a ambos lados del cuerpo de la misma, por el lateral (12) opuesto a la abertura (11), manteniendo la pieza de cierre (2) acoplada de forma inamovible en el interior de dicha anilla (1).For its part, the closure piece (2), which fits into the inner hollow of the ring (1), has at least one side (25) that protrudes slightly from the side and is provided with two holes (26) suitable for fit into the lugs (17) existing at the ends of the side opening (11) of the ring (1). Above and below these pins (25), two parallel pins (24) which, once this closure piece (2) is attached to the lugs (17), face the respective windows (16) of the ring and introducing the closure piece (2) inside it prevents the separation of the ends of said opening (11), or the opening of the ring (1). On the side opposite the pins (24, 25) the closure piece (2) has some flanges (28, 29), which once mounted this piece (2) inside the ring (1) are located at both sides of the body thereof, on the side (12) opposite the opening (11), keeping the closure piece (2) immovably coupled inside said ring (1).

En las figuras se aprecia en la pieza de cierre (2), en su cara superior, una ventana (22), la cual en conjuncion con la parte superior (13) de la anilla (1), aprisionan el siguiente eslabon o el elemento sobre el que se fija por este extremo limitando el movimiento de la anilla (1). Una segunda ventana (23) se aprecia en la cara inferior con la misma funcionalidad con respecto al siguiente eslabon o el elemento que se fija por el extremo inferior, para limitar su movimiento.In the figures, a window (22) can be seen in the closure piece (2), on its upper face, which, in conjunction with the upper part (13) of the ring (1), imprisons the next link or the element on which it is fixed by this end limiting the movement of the ring (1). A second window (23) can be seen on the lower face with the same functionality with respect to the next link or the element that is fixed by the lower end, to limit its movement.

La pieza de cierre (2), presenta centralmente una amplia ventana central (21) que define una pared lateral, en la que estan definidas las cunas (28, 29), que tiene cierta flexibilidad para facilitar el montaje de la pieza de cierre (2) en el interior de la anilla (1). En la realizacion 5 mostrada en las figuras esta ventana central (21) presenta tambien una prolongation (27) paralela a la pared lateral, en la que estan definidas las cunas (28, 29), que le proporciona a esta pared aun mayor flexibilidad para facilitar el montaje de la pieza de cierre (2).The closure piece (2), has a central central window (21) that defines a side wall, in which the cradles (28, 29) are defined, which has some flexibility to facilitate the assembly of the closure piece ( 2) inside the ring (1). In the embodiment 5 shown in the figures, this central window (21) also has an extension (27) parallel to the side wall, in which the cradles (28, 29) are defined, which gives this wall even greater flexibility for facilitate the assembly of the closure piece (2).

En la realizacion representada en las figuras, tanto la anilla (1), como la pieza de cierre (2), 10 se fabrican en un material plastico, preferentemente poliamida, con aditivo para bajo coeficiente de rozamiento, que ademas tiene un desgaste bajo con los movimientos entre uniones de la misma y metal y entre poliamidas. El hecho de que el material sea de origen plastico le proporciona cierta flexibilidad a la anilla (11), de forma que puedan separarse los extremos de la abertura (11) para introducir en ella las patillas (25) de pieza de cierre (2) a 15 fin de acoplar los tetones (17) en los orificios (26).In the embodiment represented in the figures, both the ring (1) and the closure piece (2), 10 are made of a plastic material, preferably polyamide, with a low friction coefficient additive, which also has low wear with the movements between joints of the same and metal and between polyamides. The fact that the material is of plastic origin provides some flexibility to the ring (11), so that the ends of the opening (11) can be separated to insert in it the pins (25) of closing piece (2) to 15 to fit the lugs (17) in the holes (26).

Una vez descrita suficientemente la naturaleza de la invention, asl como un ejemplo de realizacion preferente, se hace constar a los efectos oportunos que los materiales, forma, tamano y disposition de los elementos descritos podran ser modificados, siempre y cuando 20 ello no suponga una alteration de las caracterlsticas esenciales de la invencion que se reivindican a continuation:Once the nature of the invention has been sufficiently described, as well as an example of a preferred embodiment, it is stated to the appropriate effects that the materials, shape, size and disposition of the described elements may be modified, provided that this does not imply alteration of the essential features of the invention that are claimed below:

Claims (6)

55 1010 15fifteen 20twenty 2525 3030 3535 REIVINDICACIONES 1. - Eslabon abierto de cadena, con mecanismo de cierre, que comprende:1. - Open chain link, with closing mechanism, comprising: - una anilla (1), abierta lateralmente por una abertura (11) a traves de la cual puede pasar otro eslabon o el elemento a fijar en esa anilla, la cual presenta en ambas caras (18) sendos tetones enfrentados (17), que definen sendos puntos de montaje de una pieza de cierre (2), y en ambos extremos de dicha abertura (11), por una de sus caras, sendas ventanas (14), cada una de las cuales definen hacia el interior de la anilla una zona en rampa (15) que termina en una segunda ventana (16) situada por la cara interior y mas alejada de la abertura (11) que la anterior ventana (14), conformando estas ventanas (14) unos medios de bloqueo de la anilla en la position de cerrada que impiden la separation de los extremos de dicha abertura (11);- a ring (1), opened laterally through an opening (11) through which another link or the element to be fixed in that ring can pass, which presents on both faces (18) two opposite lugs (17), which define two mounting points of a closure piece (2), and at both ends of said opening (11), by one of its faces, two windows (14), each of which define towards the inside of the ring a Ramp area (15) that ends in a second window (16) located on the inner face and further away from the opening (11) than the previous window (14), these windows (14) forming means for blocking the ring in the closed position that prevents the separation of the ends of said opening (11); - una pieza de cierre (2) a modo de contrete que encaja en el hueco interior de la anilla (1), de la que sobresalen: a) por uno de los laterales al menos una patilla (25), provista de sendos orificios (26) aptos para acoplarse en los tetones (17) existentes en los extremos de la abertura lateral (11) de la anilla (1), y por encima y debajo de estos, sendas patillas paralelas (24), que una vez acoplada esta pieza de cierre en los tetones (17) quedan enfrentadas a las respectivas ventanas (16) de la anilla y al introducir la pieza de cierre (2) en el interior de la misma impiden la separacion de los extremos de dicha abertura (11) o la apertura de la anilla (1); y b) por el lateral opuesto unas pestanas (28, 29), que una vez montada esta pieza (2) en el interior de la anilla (1), quedan a ambos lados del cuerpo de la misma, por el lateral (12), opuesto a la abertura (11), manteniendo la pieza de cierre (2) acoplada de forma inamovible en el interior de dicha anilla (1).- a closure piece (2) as a contrete that fits into the inner hollow of the ring (1), from which stand out: a) at least one side (25), provided with two holes (one) 26) suitable to fit in the lugs (17) existing at the ends of the side opening (11) of the ring (1), and above and below these, parallel pins (24), which once coupled this piece of closing in the lugs (17) they are faced with the respective windows (16) of the ring and when introducing the closing piece (2) inside the same they prevent the separation of the ends of said opening (11) or the ring opening (1); and b) on the opposite side some flanges (28, 29), which once mounted this piece (2) inside the ring (1), are left on both sides of the body thereof, on the side (12), opposite the opening (11), keeping the closure piece (2) immovably coupled inside said ring (1). 2. - Eslabon, segun la revindication 1, caracterizado por que la pieza de cierre (2) presenta en la cara superior una ventana (22), la cual en conjuncion con la parte superior (13) de la anilla (1), aprisionan el siguiente eslabon o el elemento sobre el que se fija por este extremo limitando el movimiento de la anilla (1).2. - Link, according to revindication 1, characterized in that the closing piece (2) has on the upper face a window (22), which in conjunction with the upper part (13) of the ring (1), imprison the next link or the element on which it is fixed at this end limiting the movement of the ring (1). 3. - Eslabon, segun cualquiera de las reivindicaciones anteriores, caracterizado por que la pieza de cierre (2) presenta en la cara inferior una ventana (23), la cual en conjuncion con la parte inferior de la anilla (1), aprisionan el siguiente eslabon o el elemento que se fija por este extremo limitando su movimiento.3. - Link, according to any of the preceding claims, characterized in that the closure piece (2) has a window (23) on the lower face, which, in conjunction with the lower part of the ring (1), imprisons the next link or the element that is fixed by this end limiting its movement. 4. - Eslabon, segun cualquiera de las reivindicaciones anteriores, caracterizado por que la pieza de cierre (2), presenta centralmente una amplia ventana central (21) que define una pared lateral, en la que estan definidas las cunas (28, 29), que tiene cierta flexibilidad para facilitar el montaje de la pieza de cierre (2) en el interior de la anilla (1).4. - Link, according to any of the preceding claims, characterized in that the closure piece (2), centrally has a large central window (21) defining a side wall, in which the cradles (28, 29) are defined , which has some flexibility to facilitate the assembly of the closure piece (2) inside the ring (1). 55 5. - Eslabon, segun la reivindicacion 4, caracterizado por que la ventana central (21) de la pieza de cierre (2) presenta al menos una prolongation (27) paralela a la pared lateral, en la que estan definidas las cunas (28, 29), que le proporciona cierta flexibilidad para facilitar el montaje de la pieza de cierre (2) en el interior de la anilla (1).5. - Link, according to claim 4, characterized in that the central window (21) of the closure piece (2) has at least an extension (27) parallel to the side wall, in which the cradles (28) are defined , 29), which provides some flexibility to facilitate the assembly of the closure piece (2) inside the ring (1). 1010 6. - Eslabon, segun cualquiera de las reivindicaciones anteriores, caracterizado por que tanto la anilla (1), como la pieza de cierre (2) se fabrican en poliamida, con aditivo para bajo coeficiente de rozamiento.6. - Link, according to any of the preceding claims, characterized in that both the ring (1) and the closure piece (2) are made of polyamide, with additive for low coefficient of friction. 15fifteen
ES201731177U 2017-10-06 2017-10-06 Open chain link, with locking mechanism. Active ES1194635Y (en)

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FG1K Utility model granted

Effective date: 20180105