WO2008099032A1 - Damping pad for manual cutting tools - Google Patents
Damping pad for manual cutting tools Download PDFInfo
- Publication number
- WO2008099032A1 WO2008099032A1 PCT/ES2008/000041 ES2008000041W WO2008099032A1 WO 2008099032 A1 WO2008099032 A1 WO 2008099032A1 ES 2008000041 W ES2008000041 W ES 2008000041W WO 2008099032 A1 WO2008099032 A1 WO 2008099032A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- bowl
- arms
- cutting tools
- pad
- manual cutting
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Ceased
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B26—HAND CUTTING TOOLS; CUTTING; SEVERING
- B26B—HAND-HELD CUTTING TOOLS NOT OTHERWISE PROVIDED FOR
- B26B13/00—Hand shears; Scissors
- B26B13/12—Hand shears; Scissors characterised by the shape of the handles
- B26B13/14—Hand shears; Scissors characterised by the shape of the handles without gripping bows in the handle
- B26B13/16—Hand shears; Scissors characterised by the shape of the handles without gripping bows in the handle spring loaded, e.g. with provision for locking the blades or the handles
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01G—HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
- A01G3/00—Cutting implements specially adapted for horticultural purposes; Delimbing standing trees
- A01G3/02—Secateurs; Flower or fruit shears
- A01G3/025—Secateurs; Flower or fruit shears having elongated or extended handles
- A01G3/0251—Loppers, i.e. branch cutters with two handles
Definitions
- the present invention refers to a buffer stop for manual cutting tools, which has been specially designed for application in pruning shears and the like, and preferably in scissors of pruning operable by two hands.
- the object of the invention is to achieve an improvement in the coupling of the parts that constitute the stopper itself, applicable in each of the arms of the two-handed pruning shears, while facilitating the assembly and disassembly between the parts that They form the top set.
- Manual cutting tools such as pruning shears, and especially two-handed ones, incorporate two rubber buffers or buffers on their two drive arms, mounted opposite each other to prevent the scissor closure there is a pressing between the fingers of one hand and another hand grip the arms. That is, these stops constitute a spacer between the two scissor arms, with the purpose just discussed. In addition, they serve to cushion the blow between the two arms, and not transmit that blow to the user's hands.
- said stops are rounded, their diameter corresponding to the surface of the arm where it rests, and they are constituted by an elastic piece or rubber block fitted in a way, preferably in a plastic or metal bowl, forming a unique assembly in the than the inside diameter of the bowl is smaller than the outside, this piece being the one that is fixed to the corresponding scissor arm by any appropriate system.
- the rubber block or elastic piece has an eyelash to fit inside the bowl and thereby achieve retention of the one in the coupling, with the problem of being able to leave with use.
- the rubber studs or elastic parts are the ones that suffer the most when making contact in the closing of the scissors arms, which gives resulting in wear and deterioration of such parts " that requires replacing them with new ones.
- the disassembly operation to replace them is not easy or quick to execute, also requiring the need to use some kind of help tool to carry out the disassembly or Independence of the said elastic pieces or rubber blocks with respect to the bowl DESCRIPTION OF THE INVENTION
- the buffer stop object of the invention being formed by the two parts or parts mentioned, that is to say by an adjustable bowl to each scissor arm and an elastic block, preferably of rubber, which is mounted in the bowl of each arm, has the particularity that the repeated bowl is affected laterally in proximity to its mouth of one or more grooves in which respective ribs provided for this purpose fit in the elastic piece or rubber block, determining an effective retention means of said rubber block on the bowl, also allowing easy disassembly of the latter with no more than pushing laterally in the direction of elevation and extraction to the commented rubber block, using an appropriate tool, such as a screwdriver.
- the assembly formed by the rubber block and the bowl is elongated, preferably oval, thereby increasing the contact surface and preventing the rotation of the rubber block. of the bowl, and therefore the one that can leave that one.
- the mounting of the stops on the scissor arms will be carried out at a point markedly away from the base of rotation of the arms, thereby providing greater effectiveness.
- Figure 1. Shows a perspective view of the buffer stop of the invention.
- Figure 2. It also shows a perspective view of the bowl that is part of the stop shown in the previous figure.
- Figure 3. Shows an equally perspective view of the rubber block that forms part of the same stop of the invention.
- Figure 4. Shows a perspective view of a pruning shears operable by two hands, incorporating the buffer stops of the invention. DESCRIPTION OF THE PREFERRED EMBODIMENT FORM.
- the shock absorber of the invention is constituted by coupling or assembling two pieces together, one of them constituting the bowl 1, and the other constituting a rubber block 2, determining between them a single assembly or body whose contour is elongated, preferably oval, as clearly shown in figures 1 and 4.
- Cup 1 which defines a recess 3 with its corresponding bottom affected of a hole or step 4 for fixing by Any element appropriate to the arm 5 of a scissor 6, has the particularity that it is laterally affected by one or more grooves 7, as can be clearly seen in Figure 2, whose function will be explained later.
- the rubber block 2 shown in Figure 3 presents a part 8 with a complementary shape to the cavity or housing 3 established in the bowl 1, to perfectly fit in it, whose part 8 is followed by another external It corresponds to the reference 2 in Figure 3, which is curved and forms a step with it to determine the protruding and rounded part of the block 2 with respect to the bowl 1.
- said taco 2 regardless of the elongated and oval shape as previously mentioned, has protruding and lateral ribs 9 intended to be accommodated in the grooves 7 of the bowl 1, and thus determine the taco retention means 2 on said bowl 1, forming a single assembly or body, as shown in Figure 1, which is fixed, as already said, to the respective arm 5 of the scissors 6.
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Forests & Forestry (AREA)
- Biodiversity & Conservation Biology (AREA)
- Ecology (AREA)
- Environmental Sciences (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Scissors And Nippers (AREA)
Abstract
Description
TOPE AMORTIGUADOR PARA HERRAMIENTAS MANUALES DE CORTE SHOCK BUMPER FOR MANUAL CUTTING TOOLS
OBJETO DE LA INVENCIÓNOBJECT OF THE INVENTION
La presente invención, según se expresa en el enunciado de esta memoria descriptiva, se refiere a un tope amortiguador para herramientas manuales de corte, el cual ha sido especialmente concebido para su aplicación en tijeras de poda y similares, y de forma preferente en tijeras de poda accionables mediante dos manos.The present invention, as expressed in the statement of this specification, refers to a buffer stop for manual cutting tools, which has been specially designed for application in pruning shears and the like, and preferably in scissors of pruning operable by two hands.
El objeto de la invención es conseguir una mejora en el acoplamiento de la partes que constituyen el propio tope, aplicable en cada uno de los brazos de la tijera de poda de dos manos, a la vez de facilitar el montaje y desmontaje entre las partes que forman el conjunto del tope . ANTECEDENTES DE LA INVENCIÓNThe object of the invention is to achieve an improvement in the coupling of the parts that constitute the stopper itself, applicable in each of the arms of the two-handed pruning shears, while facilitating the assembly and disassembly between the parts that They form the top set. BACKGROUND OF THE INVENTION
Las herramientas manuales de corte, tales como pueden ser las tijeras de poda, y en especial las de dos manos, incorporan en sus dos brazos de accionamiento sendos topes o amortiguadores de goma, montados enfrentadamente entre si para evitar que en el cierre de la tijera se produzca un presionado entre los dedos de una y otra mano de agarre de los brazos. Es decir, dichos topes constituyen un distanciador entre los dos brazos de la tijera, con la finalidad que se acaba de comentar. Además, sirven para amortiguar el golpe entre los dos brazos, y no transmitir ese golpe a las manos del usuario .Manual cutting tools, such as pruning shears, and especially two-handed ones, incorporate two rubber buffers or buffers on their two drive arms, mounted opposite each other to prevent the scissor closure there is a pressing between the fingers of one hand and another hand grip the arms. That is, these stops constitute a spacer between the two scissor arms, with the purpose just discussed. In addition, they serve to cushion the blow between the two arms, and not transmit that blow to the user's hands.
Actualmente, dichos topes son de forma redondeada, correspondiéndose su diámetro con la superficie del brazo donde apoya, y están constituidos por una pieza elástica o taco de goma acoplado de manera encajada en una cazoleta preferentemente de plástico o metálica, formando un conjunto único en el que el diámetro interior de la cazoleta es menor que el exterior, siendo esta pieza la que se fija al correspondiente brazo de la tijera por cualquier sistema apropiado. El taco de goma o pieza elástica cuenta con una pestaña para encaje en el interior de la cazoleta y conseguir con ello la retención de aquél en el acoplamiento, con el problema de poderse salir con el uso.Currently, said stops are rounded, their diameter corresponding to the surface of the arm where it rests, and they are constituted by an elastic piece or rubber block fitted in a way, preferably in a plastic or metal bowl, forming a unique assembly in the than the inside diameter of the bowl is smaller than the outside, this piece being the one that is fixed to the corresponding scissor arm by any appropriate system. The rubber block or elastic piece has an eyelash to fit inside the bowl and thereby achieve retention of the one in the coupling, with the problem of being able to leave with use.
Por otro lado, debido a las condiciones de uso y a las características del material con que se realiza el tope, los tacos de goma o piezas elásticas son los que más sufren al hacer contacto en el cierre de los brazos de la tijera, lo que da lugar a un desgaste y deterioro de tales piezas "que obliga a reemplazarlas por otras nuevas. La operación de desmontaje para reemplazarlas, no resulta fácil ni rápida de ejecutar, requiriendo además la necesidad de utilizar algún tipo de herramienta de ayuda para realizar el desmontaje o independización de las comentadas piezas elásticas o tacos de goma respecto de la cazoleta. DESCRIPCIÓN DE LA INVENCIÓNOn the other hand, due to the conditions of use and the characteristics of the material with which the stop is made, the rubber studs or elastic parts are the ones that suffer the most when making contact in the closing of the scissors arms, which gives resulting in wear and deterioration of such parts " that requires replacing them with new ones. The disassembly operation to replace them, is not easy or quick to execute, also requiring the need to use some kind of help tool to carry out the disassembly or Independence of the said elastic pieces or rubber blocks with respect to the bowl DESCRIPTION OF THE INVENTION
El tope amortiguador objeto de la invención, estando formado por las dos piezas o partes comentadas, es decir por una cazoleta fijable a cada brazo de la tijera y una taco elástico, preferentemente de goma, que se monta en la cazoleta de cada brazo, presenta la particularidad de que la repetida cazoleta está afectada lateralmente en proximidad a su embocadura de una o más ranuras en las que encajan respectivos nervios salientes previstos al efecto en la pieza elástica o taco de goma, determinando un medio de retención eficaz de dicho taco de goma sobre la cazoleta, posibilitando además un fácil desmontaje de aquél sin más que empujar lateralmente en sentido de elevación y extracción al comentado taco de goma, ayudándose con un útil apropiado, como puede ser un atornillador.The buffer stop object of the invention, being formed by the two parts or parts mentioned, that is to say by an adjustable bowl to each scissor arm and an elastic block, preferably of rubber, which is mounted in the bowl of each arm, has the particularity that the repeated bowl is affected laterally in proximity to its mouth of one or more grooves in which respective ribs provided for this purpose fit in the elastic piece or rubber block, determining an effective retention means of said rubber block on the bowl, also allowing easy disassembly of the latter with no more than pushing laterally in the direction of elevation and extraction to the commented rubber block, using an appropriate tool, such as a screwdriver.
Otra característica de novedad que presenta el tope de la invención, es que el conjunto que forman el taco de goma y la cazoleta, es de contorno alargado, preferentemente ovalado, aumentando con ello la superficie de contacto y evitando el giro del taco de goma respecto de la cazoleta, y por lo tanto el que pueda salirse aquél. También es de destacar el hecho de que el montaje de los topes sobre los brazos de la tijera, se realizará en un punto notablemente alejado de la base de giro de los brazos, aportando con ello una mayor efectividad. BREVE DESCRIPCIÓN DE LOS DIBUJOS Para complementar la descripción que seguidamente se va a realizar y con objeto de ayudar a una mejor comprensión de las características del invento, se acompaña a la presente memoria descriptiva de un juego de dibujos en base a los cuales se comprenderán más fácilmente las innovaciones y ventajas del tope amortiguador para herramientas de corte realizado de acuerdo con el objeto de la invención.Another characteristic of novelty presented by the top of the invention is that the assembly formed by the rubber block and the bowl is elongated, preferably oval, thereby increasing the contact surface and preventing the rotation of the rubber block. of the bowl, and therefore the one that can leave that one. Also noteworthy is the fact that the mounting of the stops on the scissor arms, will be carried out at a point markedly away from the base of rotation of the arms, thereby providing greater effectiveness. BRIEF DESCRIPTION OF THE DRAWINGS To complement the description that is going to be carried out below and in order to help a better understanding of the features of the invention, the present descriptive report of a set of drawings is based on which more will be understood Easily innovations and advantages of the buffer stop for cutting tools made in accordance with the object of the invention.
Figura 1.- Muestra una vista en perspectiva del tope amortiguador de la invención. Figura 2.- Muestra una vista también en perspectiva de la cazoleta que forma parte del tope representado en la figura anterior.Figure 1.- Shows a perspective view of the buffer stop of the invention. Figure 2.- It also shows a perspective view of the bowl that is part of the stop shown in the previous figure.
Figura 3.- Muestra una vista igualmente en perspectiva del taco de goma que forma parte del mismo tope de la invención.Figure 3.- Shows an equally perspective view of the rubber block that forms part of the same stop of the invention.
Figura 4.- Muestra una vista en perspectiva de una tijera de poda accionable mediante dos manos, incorporando los topes amortiguadores de la invención. DESCRIPCIÓN DE LA FORMA DE REALIZACIÓN PREFERIDA.Figure 4.- Shows a perspective view of a pruning shears operable by two hands, incorporating the buffer stops of the invention. DESCRIPTION OF THE PREFERRED EMBODIMENT FORM.
A la vista de las comentadas figuras, puede observarse como el amortiguador de la invención se constituye mediante el acoplamiento o montaje entre si de dos piezas, una de ellas constitutiva de la cazoleta 1, y la otra constitutiva de un taco de goma 2, determinando entre ambas un conjunto o cuerpo único cuyo contorno es alargado, preferentemente ovalado, como se muestra claramente en las figuras 1 y 4. La cazoleta 1, que define un cajeado 3 con su correspondiente fondo afectado de un orificio o paso 4 para la fijación mediante cualquier elemento apropiado al brazo 5 de una tijera 6, presenta la particularidad de que está lateralmente afectada de una o más ranuras 7, como se dejan ver claramente en la figura 2, cuya función se expondrá con posterioridad.In view of the aforementioned figures, it can be seen how the shock absorber of the invention is constituted by coupling or assembling two pieces together, one of them constituting the bowl 1, and the other constituting a rubber block 2, determining between them a single assembly or body whose contour is elongated, preferably oval, as clearly shown in figures 1 and 4. Cup 1, which defines a recess 3 with its corresponding bottom affected of a hole or step 4 for fixing by Any element appropriate to the arm 5 of a scissor 6, has the particularity that it is laterally affected by one or more grooves 7, as can be clearly seen in Figure 2, whose function will be explained later.
Por su parte, el taco de goma 2 representado en la figura 3, presenta una parte 8 con una forma complementaria a la cavidad o alojamiento 3 establecido en la cazoleta 1, para ajustar perfectamente en ésta, a cuya parte 8 le sigue otra externa que se corresponde con la propia referencia 2 en la figura 3, que es de superficie curva y forma un escalón con aquélla para determinar la parte saliente y redondeada del taco 2 respecto de la cazoleta 1.For its part, the rubber block 2 shown in Figure 3, presents a part 8 with a complementary shape to the cavity or housing 3 established in the bowl 1, to perfectly fit in it, whose part 8 is followed by another external It corresponds to the reference 2 in Figure 3, which is curved and forms a step with it to determine the protruding and rounded part of the block 2 with respect to the bowl 1.
Pues bien, dicho taco 2, independientemente de la forma alargada y ovalada como ya se ha dicho con anterioridad, presenta unos nervios salientes y laterales 9 destinado a alojarse en las ranuras 7 de la cazoleta 1, y determinar así el medio de retención del taco 2 sobre dicha cazoleta 1, formando un conjunto o cuerpo único, como se representa en la figura 1, que queda fijado, como ya se ha dicho, al respectivo brazo 5 de la tijera 6. Well, said taco 2, regardless of the elongated and oval shape as previously mentioned, has protruding and lateral ribs 9 intended to be accommodated in the grooves 7 of the bowl 1, and thus determine the taco retention means 2 on said bowl 1, forming a single assembly or body, as shown in Figure 1, which is fixed, as already said, to the respective arm 5 of the scissors 6.
Claims
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| ESU200700343 | 2007-02-16 | ||
| ES200700343U ES1064839Y (en) | 2007-02-16 | 2007-02-16 | SHOCK BUMPER FOR MANUAL CUTTING TOOLS |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| WO2008099032A1 true WO2008099032A1 (en) | 2008-08-21 |
Family
ID=38326553
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PCT/ES2008/000041 Ceased WO2008099032A1 (en) | 2007-02-16 | 2008-01-28 | Damping pad for manual cutting tools |
Country Status (2)
| Country | Link |
|---|---|
| ES (1) | ES1064839Y (en) |
| WO (1) | WO2008099032A1 (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20100107422A1 (en) * | 2007-02-16 | 2010-05-06 | Azpeitia Urrestarazu Jose Maria | Adjustment device for manual cutting tools |
| US20180343808A1 (en) * | 2016-04-05 | 2018-12-06 | Jinchul SONG | Pruning shears having both functions of hanging on tree branch and absorbing shock |
| WO2019051713A1 (en) * | 2017-09-14 | 2019-03-21 | 杭州巨星科技股份有限公司 | Multi-functional hand-held tool |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US841458A (en) * | 1906-06-27 | 1907-01-15 | Jennie L Griffin | Sheep-shears. |
| FR889254A (en) * | 1942-12-17 | 1944-01-05 | Anciens Etablissements Somborn | Improvements to hedge shears and other similar tools |
| US2373757A (en) * | 1944-03-27 | 1945-04-17 | Roy R Hart | Cushion stop |
| US3675359A (en) * | 1970-11-12 | 1972-07-11 | Sargent & Co | Fish mouth implements |
| US3676930A (en) * | 1970-07-17 | 1972-07-18 | Mcdonough Co | Hedge shears |
| US3791032A (en) * | 1971-07-15 | 1974-02-12 | Wilkinson Sword Ltd | Hand tools |
| US4341016A (en) * | 1978-09-09 | 1982-07-27 | Wilkinson Sword Limited | Hand tools |
| US5020222A (en) * | 1987-02-10 | 1991-06-04 | Fiskars Oy Ab | Variable force compound action leverage tool |
| US5483747A (en) * | 1994-01-10 | 1996-01-16 | Harrow Products, Inc. | Hand-held tool with hollow handle |
-
2007
- 2007-02-16 ES ES200700343U patent/ES1064839Y/en not_active Expired - Fee Related
-
2008
- 2008-01-28 WO PCT/ES2008/000041 patent/WO2008099032A1/en not_active Ceased
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US841458A (en) * | 1906-06-27 | 1907-01-15 | Jennie L Griffin | Sheep-shears. |
| FR889254A (en) * | 1942-12-17 | 1944-01-05 | Anciens Etablissements Somborn | Improvements to hedge shears and other similar tools |
| US2373757A (en) * | 1944-03-27 | 1945-04-17 | Roy R Hart | Cushion stop |
| US3676930A (en) * | 1970-07-17 | 1972-07-18 | Mcdonough Co | Hedge shears |
| US3675359A (en) * | 1970-11-12 | 1972-07-11 | Sargent & Co | Fish mouth implements |
| US3791032A (en) * | 1971-07-15 | 1974-02-12 | Wilkinson Sword Ltd | Hand tools |
| US4341016A (en) * | 1978-09-09 | 1982-07-27 | Wilkinson Sword Limited | Hand tools |
| US5020222A (en) * | 1987-02-10 | 1991-06-04 | Fiskars Oy Ab | Variable force compound action leverage tool |
| US5483747A (en) * | 1994-01-10 | 1996-01-16 | Harrow Products, Inc. | Hand-held tool with hollow handle |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20100107422A1 (en) * | 2007-02-16 | 2010-05-06 | Azpeitia Urrestarazu Jose Maria | Adjustment device for manual cutting tools |
| US8393084B2 (en) * | 2007-02-16 | 2013-03-12 | Bellota Herramientas, S.A. | Adjustment device for manual cutting tools |
| US20180343808A1 (en) * | 2016-04-05 | 2018-12-06 | Jinchul SONG | Pruning shears having both functions of hanging on tree branch and absorbing shock |
| US10687475B2 (en) * | 2016-04-05 | 2020-06-23 | Jinchul SONG | Pruning shears having both functions of hanging on tree branch and absorbing shock |
| WO2019051713A1 (en) * | 2017-09-14 | 2019-03-21 | 杭州巨星科技股份有限公司 | Multi-functional hand-held tool |
Also Published As
| Publication number | Publication date |
|---|---|
| ES1064839U (en) | 2007-05-01 |
| ES1064839Y (en) | 2007-08-01 |
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