ES1065305U - Support- guide for manual cutting saws (Machine-translation by Google Translate, not legally binding) - Google Patents
Support- guide for manual cutting saws (Machine-translation by Google Translate, not legally binding) Download PDFInfo
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- ES1065305U ES1065305U ES200700836U ES200700836U ES1065305U ES 1065305 U ES1065305 U ES 1065305U ES 200700836 U ES200700836 U ES 200700836U ES 200700836 U ES200700836 U ES 200700836U ES 1065305 U ES1065305 U ES 1065305U
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- guide
- saw blade
- counterweights
- support
- manual cutting
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Abstract
Description
Soporte-guía para sierras de corte manual.Guide support for saws manual cutting
La presente invención se refiere a un soporte que ha sido especialmente concebido para mantener perfectamente estable una hoja de sierra durante las maniobras de corte de una pieza, con una sierra manual, concretamente dentro del plano de trabajo previsto para la misma.The present invention relates to a support which has been specially designed to maintain perfectly stable a saw blade during the cutting maneuvers of a piece, with a manual saw, specifically within the plane of Work planned for it.
El objeto de la invención es conseguir que la sierra resulte perfectamente guiada en sus movimientos alternativos, asegurando un corte perfecto, tanto a escuadra como a inglete, sin que dicho corte se vea afectado por la normal tendencia a la basculación lateral de la hoja durante el accionamiento manual de la sierra.The object of the invention is to achieve that the Sierra is perfectly guided in your movements alternatives, ensuring a perfect cut, both square and miter, without such a cut being affected by normal tendency to lateral tilt of the blade during manual saw operation.
La invención se sitúa pues en el ámbito de las herramientas de uso manual.The invention thus falls within the scope of manual use tools.
Como es sabido, en la utilización de una sierra convencional de arco, o de cualquier otro tipo, provista de la correspondiente hoja de sierra, para llevar a cabo una maniobra de corte se efectúa un desplazamiento longitudinal y alternativo de la hoja de sierra, en correspondencia con el plano de corte previsto para la pieza en cuestión.As is known, in the use of a saw conventional arc, or any other type, provided with the corresponding saw blade, to carry out a maneuver of cut a longitudinal and alternative displacement of the saw blade, in correspondence with the planned cutting plane for the piece in question.
Esta solución, perfectamente válida desde el punto de vista teórico, presenta en la práctica problemas tanto de alineación como de estabilidad de la hoja de sierra con respecto a la pieza a cortar, ya que por mucha habilidad que tenga el operario, siempre existe una cierta tendencia a la basculación lateral de la sierra, con la consecuente desviación del plano de corte, lo que da lugar a cortes imperfectos que además generalmente no forman el ángulo exacto y previsto para el citado plano teórico de corte.This solution, perfectly valid from the theoretical point of view, presents in practice problems of both alignment as of stability of the saw blade with respect to the piece to be cut, because no matter how much skill the operator, there is always a certain tendency to tilt side of the saw, with the consequent deviation from the plane of cut, which results in imperfect cuts that also generally they do not form the exact and predicted angle for the said theoretical plane cutting
Tratando de solucionar este problema son conocidas guías materializadas en una pieza acanalada, de sección en "U", en cuyo seno se aloja la pieza a cortar, y cuyas ramas laterales cuentan con ranuras operativamente enfrentadas, agrupadas por parejas, para determinar un corte a escuadra o un corte a inglete, este último en uno u otro de los dos sentidos posibles.Trying to solve this problem are known guides materialized in a corrugated piece, of section in "U", in which the piece to be cut is housed, and whose branches laterals feature operationally facing grooves, grouped together in pairs, to determine a square cut or a cut to miter, the latter in one or the other of the two senses possible.
Esta solución, también aceptable desde el punto de vista teórico, presenta en la práctica derivados de que el dentado de la hoja de sierra entre en contacto con la guía, produciendo un progresivo deterioro de la misma, de manera que al cabo de un periodo de utilización relativamente corto surgen holguras en las mencionadas ranuras, que tiene como resultado un corte imperfecto.This solution, also acceptable from the point of theoretical view, presents in practice derivatives that the serrated blade saw come into contact with the guide, producing a progressive deterioration of it, so that at after a relatively short period of use arise gaps in the mentioned slots, which results in a imperfect cut
Existen dispositivos mas sofisticados, es decir con estructuras mas complejas, que dotadas también de guías presentan como problema fundamental la necesidad de utilización una hoja de sierra especial, que resulta muy voluminosa en altura, lo que supone una solución económicamente cara, voluminosa y de manejo complicado.There are more sophisticated devices, that is with more complex structures, which also have guides present as a fundamental problem the need to use a special saw blade, which is very bulky in height, what which is an economically expensive, bulky and handling solution complicated.
El soporte-guía para sierra de corte manual que la invención propone resuelve de forma plenamente satisfactoria la problemática anteriormente expuesta, de manera que con una estructuración sustancialmente simple, y consecuentemente económica, permite la utilización de cualquier tipo de sierra convencional, preferentemente de las que incorporan un arco en el que se tensa convenientemente la hoja de sierra, ofreciendo además un alto nivel de eficacia operativa y unos resultados óptimos en cuanto a la disposición y calidad del corte obtenido.The guide support for saw manual cut proposed by the invention fully resolves The problem described above is satisfactory, so that with a substantially simple structuring, and consequently economic, allows the use of any type of saw conventional, preferably those incorporating an arc in the that the saw blade is tightened conveniently, also offering a high level of operational efficiency and optimal results in as for the disposition and quality of the cut obtained.
Para ello y de forma mas concreta el soporte-guía que se preconiza está constituido a partir de una plataforma base de la que emergen solidaria y verticalmente dos columnas, suficientemente distanciadas como para que entre ellas pueda situarse la pieza a cortar. Cada una de estas columnas se materializa en dos varillas cilíndricas paralelas y sustancialmente próximas, si bien es factible que ambas varillas sean sustituidas por una barra única de sección ajena al cilindro, montándose en cualquier caso sobre cada columna con contrapeso capacitado para desplazarse libremente en sentido vertical, tendiendo a descender por su propio peso, contrapeso provisto de un saliente lateral que configura a modo de una pinza, merced a la existencia de una ranura en el mismo, abierta inferiormente, para recepción de la hoja de sierra, que queda mayoritariamente alojada en la ranura de ambas columnas, dejando fuera tan solo su borde dentado.To do this and more specifically the support-guide that is recommended is constituted to from a base platform from which solidarity and emerge vertically two columns, far enough apart to that between them the piece to be cut can be placed. Each of these columns materializes in two parallel cylindrical rods and substantially close, although it is feasible that both rods are replaced by a single bar with a section outside the cylinder, being mounted in any case on each column with counterweight able to move freely vertically, tending to descend by its own weight, counterweight provided with a lateral projection that configures as a clamp, thanks to the existence of a slot in it, open inferiorly, to reception of the saw blade, which is mostly housed in the groove of both columns, leaving only its edge out jagged.
De esta manera y acoplando la hoja de sierra en el fondo de las ranuras correspondientes a los contrapesos de las dos columnas, el movimiento de trabajo de dicha hoja dentro del plano previsto al efecto queda asegurado, ya que las columnas impiden cualquier tendencia al desplazamiento o basculación lateral de la hoja, la cual mantiene su estabilidad durante toda la fase de corte, ya que a medida que la hoja de sierra desciende, por su penetración en la pieza a cortar, lo hacen también los contrapesos con las ranuras que la guían.In this way and by coupling the saw blade in the bottom of the grooves corresponding to the counterweights of the two columns, the working movement of said sheet within the Plan planned for this purpose is assured, since the columns prevent any tendency to shift or lateral tilt of the blade, which maintains its stability throughout the entire phase of cutting, because as the saw blade descends, by its penetration into the piece to be cut, so do the counterweights with the slots that guide it.
De acuerdo con otra de las características de la invención con la estructura descrita colabora un listón, que se fija con carácter amovible a la plataforma base, de manera que dicho listón es susceptible de adoptar una disposición perpendicular con respecto al plano de corte definido por las ranuras de ambos contrapesos, cuando se pretende dar un corte transversal o a escuadra de una pieza, o adoptar una posición inclinada a 45º, mediante un chaflán de uno de sus vértices, cuando se pretende dar un corte a inglete.According to another of the characteristics of the invention with the described structure collaborates a ribbon, which fixed with removable character to the base platform, so that said ribbon is likely to adopt a provision perpendicular to the cut plane defined by the slots of both counterweights, when it is intended to give a cut transverse or square of a piece, or adopt a position inclined at 45º, by a chamfer of one of its vertices, when It is intended to give a miter cut.
Finalmente y de acuerdo con otra de las características de la invención, los citados contrapesos presentan un rebaje escalonado que afecta a una de las varillas de la correspondiente columna, rebaje en el que se aloja un dado perforado, desplazable también a lo largo de la varilla correspondiente de cada columna, estando ambos dados relacionados entre sí mediante una especie de asa que sirve corno medio de elevación para los contrapesos y que sirve además para sustentar la sierra en una posición elevada de la misma, mientras se manipula sobre la pieza a cortar, merced a la existencia de un enganche lateral capaz de situarse, previa basculación del asa, sobre el borde inferior y dentado de dicha sierra, constituyendo un punto de apoyo tanto para la misma como para los contrapesos situados sobre ella.Finally and according to another of the characteristics of the invention, said counterweights have a stepped recess that affects one of the rods of the corresponding column, recess in which a dice is housed perforated, also movable along the rod corresponding to each column, both dice being related each other using a kind of handle that serves as the middle of elevation for counterweights and which also serves to support the saw in an elevated position of it, while handling on the piece to be cut, thanks to the existence of a hitch lateral able to be placed, prior to tilting the handle, on the lower and serrated edge of said saw, constituting a point of support for both it and the counterweights located above she.
Solo resta señalar por último que, como es evidente, los contrapesos deben ser suficientemente pesados como para asegurar su desplazamiento vertical y descendente sobre las columnas por efecto gravitatorio, y sin el menor riesgo de enclavamiento sobre ellas.It only remains to note that, as is Obviously, the counterweights should be sufficiently heavy as to ensure its vertical and downward displacement over the columns by gravitational effect, and without the least risk of interlocking on them.
Para complementar la descripción que se está realizando y con objeto de ayudar a una mejor comprensión de las características del invento, de acuerdo con un ejemplo preferente de realización práctica del mismo, se acompaña como parte integrante de dicha descripción, un juego de dibujos en donde 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 invention, according to a preferred example of practical realization of it, is accompanied as part member of that description, a set of drawings where with illustrative and non-limiting nature, what has been represented next:
La figura 1.- Muestra, según una representación esquemática en alzada lateral, un soporte-guía realizado de acuerdo con el objeto de la presente invención, figura sobre la que se ha representado parcialmente y en trazo discontinuo la complementaria sierra.Figure 1.- Shows, according to a representation schematic side elevation, a guide support performed in accordance with the object of the present invention, figure on which it has been partially and dashed the complementary saw.
La figura 2.- Muestra un perfil del soporte-guía de la figura anterior.Figure 2.- Shows a profile of the guide support of the previous figure.
La figura 3.- Muestra una vista en planta del mismo conjunto de la figura 2.Figure 3.- Shows a plan view of the same set of figure 2.
La figura 4.- Muestra el mismo dispositivo de las figuras anteriores provisto ahora del asa de elevación de las contrapesas que aparece en situación elevada, como medida de extensión de estas últimas.Figure 4.- Shows the same device of the previous figures now provided with the lifting handle of the counterweights that appear in high status, as a measure of extension of the latter.
La figura 5.- Muestra una representación similar a la figura 4, en la que el asa está sustentando los contrapesos y la hoja de sierra.Figure 5.- Shows a similar representation to figure 4, in which the handle is supporting the counterweights and The saw blade.
La figura 6.- Muestra, finalmente, un detalle en planta del asa representada en las figuras 4 y 5, en posición abatida o inoperante.Figure 6.- Shows, finally, a detail in handle plan shown in figures 4 and 5, in position dejected or inoperative.
A la vista de la figuras reseñadas puede observarse como el soporte-guía para sierras de corte manual que la invención propone está constituido a partir de una plataforma base (1), de la que emergen solidariamente dos columnas (2) en disposición vertical, consecuentemente paralelas entre sí, y suficientemente distanciadas para asegurar un correcto guiado de la hoja de sierra (3), como se verá mas adelante.In view of the figures outlined you can be observed as the guide support for saws manual cutting that the invention proposes is constituted from a base platform (1), from which two solidarity emerge columns (2) in vertical arrangement, consequently parallel each other, and far enough apart to ensure correct guided by the saw blade (3), as will be seen later.
Preferentemente cada columna (2) se materializa en dos varillas cilíndricas (2), (2'), sustancialmente próximas, que constituyen en su conjunto una guía de deslizamiento para un contrapeso (4), provisto de respectivas parejas de orificios pasantes (5) para dichas varillas (2), (2'), contando cada contrapeso (4) con un saliente lateral (6), dotado de una ranura inferior (7), que configura una especie de pinza incluida en un imaginario plano vertical, capaz de recibir mayoritariamente a la hoja de sierra (3), dejando fuera de ella tan sólo a una estrecha franja marginal correspondiente a su borde dentado.Preferably each column (2) materializes in two cylindrical rods (2), (2 '), substantially close, which together constitute a sliding guide for a counterweight (4), provided with respective pairs of holes through (5) for said rods (2), (2 '), counting each counterweight (4) with a lateral projection (6), provided with a groove bottom (7), which configures a kind of clamp included in a imaginary vertical plane, capable of receiving mostly the saw blade (3), leaving out only a narrow marginal strip corresponding to its jagged edge.
Un correcto posicionamiento de las varillas (2), (2') de cada columna (2) asegura que las ranuras (7) de uno y otro contrapeso (4) estén situadas en un mismo plano y que, en consecuencia, la hoja de sierra (3) se desplace siempre dentro de dicho plano, cuando se actúa manualmente sobre el arco (8) que la mantiene debidamente tensada.A correct positioning of the rods (2), (2 ') of each column (2) ensures that the slots (7) of one and the other counterweight (4) are located in the same plane and that, in consequently, the saw blade (3) always moves within said plane, when manually acting on the arc (8) that the keeps properly strained.
Una especie de listón (9), fijado con carácter amovible a la plataforma base (1), es susceptible de adoptar al menos dos posiciones, tal como muestra la figura 3, una perpendicular al citado plano de corte para la hoja de sierra (3), que permite realizar cortes a escuadra, y otra a 45º, determinada por un chaflán (19) de dicho listón (9), que a su vez permite dar con precisión cortes a inglete.A kind of ribbon (9), fixed with character Removable from the base platform (1), it is likely to adopt minus two positions, as shown in figure 3, a perpendicular to the aforementioned cutting plane for the saw blade (3), which allows square cuts, and another at 45º, determined by a chamfer (19) of said slat (9), which in turn allows to give Precisely miter cuts.
Como complemento de la estructura descrita, cada contrapeso (4) incorpora, inferiormente y en oposición a la ranura (7), un rebaje escalonado (11) destinado a ser ocupado por un dado (12) que es atravesado por la varilla (2) correspondiente, a través de un orificio pasante (13), estando ambos dados (12) relacionados entre sí mediante una especie de asa (14), de configuración en "U", unida articuladamente a dichos dados (12) a través de pasadores de basculación (15), de manera que dicho asa (14) tiene una doble función, por un lado traccionar en sentido ascendente sobre los contrapesos (4), para conseguir la elevación de los mismos y permitir el posicionamiento de la hoja de sierra (3) en las ranuras (7), y otra constituir el medio de sustentación para dicha hoja de sierra (3), en fase intermedia de trabajo, para llevar a cabo cualquier manipulación sobre la pieza a cortar, a cuyo efecto el asa (14) cuenta en sus ramas laterales con enganches (16) que, en la posición de basculación para el asa mostrada en la figura 5, constituyen apoyos para la hoja de sierra (3) debidamente establecida en las ranuras (7), dejando libres las manos del usuario para manipular sobre la pieza situada o a situar en la plataforma base (1).As a complement to the structure described, each counterweight (4) incorporates, inferiorly and in opposition to the groove (7), a stepped recess (11) intended to be occupied by a dice (12) which is traversed by the corresponding rod (2), through of a through hole (13), both dice (12) being related each other using a kind of handle (14), of configuration in "U", jointly linked to said dice (12) through tilt pins (15), so that said handle (14) has a double function, on the one hand traction upwards on the counterweights (4), to achieve the elevation of the same and allow the positioning of the saw blade (3) in the grooves (7), and other constitute the means of support for said saw blade (3), in the intermediate work phase, for carry out any manipulation on the piece to be cut, to whose effect the handle (14) has on its lateral branches with hooks (16) that, in the tilting position for the handle shown in the Figure 5, constitute supports for the saw blade (3) properly established in the slots (7), leaving the hands of the user to manipulate on the piece located or to place in the base platform (1).
Solo resta señalar por último que el listón (9) puede estar dotado de una ranura (17), especialmente visible en la figura 4, actuante corno sufridera para evitar que a término de la fase de corte la hoja de sierra (3) dañe la plataforma base (1).It only remains to point out finally that the ribbon (9) it can be provided with a groove (17), especially visible in the Figure 4, acting as a victim to avoid that at the end of the cutting phase the saw blade (3) damage the base platform (one).
Claims (5)
previsto.1. Support-guide for manual cutting saws, preferably for saws provided with a blade that is tensioned between the ends of an arc, characterized in that it is constituted from a base platform from which two vertical columns emerge and substantially distanced from each other , on each of which a counterweight is also vertically movable, which tends by gravity to move towards the lower extremity of the corresponding column, and which is related to it so that it is prevented from moving in a rotating direction, both counting counterweights with a lateral projection affected by a lower groove that configures a kind of clamp, so that both grooves are coplanar and dimensionally suitable for receiving the saw blade, mostly, except for a narrow marginal area corresponding to its edge toothed, said grooves acting as guiding means that ensure the constant maintenance of the saw blade inside an imaginary plane, corresponding to the cutting plane
provided.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| ES200700836U ES1065305Y (en) | 2007-04-23 | 2007-04-23 | SUPPORT - GUIDE FOR MANUAL CUTTING SAWS |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| ES200700836U ES1065305Y (en) | 2007-04-23 | 2007-04-23 | SUPPORT - GUIDE FOR MANUAL CUTTING SAWS |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| ES1065305U true ES1065305U (en) | 2007-07-16 |
| ES1065305Y ES1065305Y (en) | 2007-10-16 |
Family
ID=38330946
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| ES200700836U Expired - Fee Related ES1065305Y (en) | 2007-04-23 | 2007-04-23 | SUPPORT - GUIDE FOR MANUAL CUTTING SAWS |
Country Status (1)
| Country | Link |
|---|---|
| ES (1) | ES1065305Y (en) |
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2007
- 2007-04-23 ES ES200700836U patent/ES1065305Y/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| ES1065305Y (en) | 2007-10-16 |
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| FG1K | Utility model granted | ||
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Effective date: 20101018 |