WO2004104336A1 - Locking system for furniture drawers - Google Patents

Locking system for furniture drawers Download PDF

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Publication number
WO2004104336A1
WO2004104336A1 PCT/ES2004/000084 ES2004000084W WO2004104336A1 WO 2004104336 A1 WO2004104336 A1 WO 2004104336A1 ES 2004000084 W ES2004000084 W ES 2004000084W WO 2004104336 A1 WO2004104336 A1 WO 2004104336A1
Authority
WO
WIPO (PCT)
Prior art keywords
drawers
furniture
locking system
bolts
drawer
Prior art date
Application number
PCT/ES2004/000084
Other languages
Spanish (es)
French (fr)
Inventor
Benito Sevillano Gil
Original Assignee
Ojmar, S.A.
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Priority claimed from ES200301218A external-priority patent/ES2220220B1/en
Application filed by Ojmar, S.A. filed Critical Ojmar, S.A.
Priority to EP04713915A priority Critical patent/EP1637677B1/en
Priority to DE602004004534T priority patent/DE602004004534T2/en
Priority to US10/541,958 priority patent/US7637576B2/en
Publication of WO2004104336A1 publication Critical patent/WO2004104336A1/en

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Classifications

    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B65/00—Locks or fastenings for special use
    • E05B65/46—Locks or fastenings for special use for drawers
    • E05B65/462—Locks or fastenings for special use for drawers for two or more drawers
    • E05B65/463—Drawer interlock or anti-tilt mechanisms, i.e. when one drawer is open, at least one of the remaining drawers is locked
    • E05B65/464—Drawer interlock or anti-tilt mechanisms, i.e. when one drawer is open, at least one of the remaining drawers is locked comprising two or more lock elements aligned in end-to-end abutting relation

Definitions

  • the present invention relates to a drawer locking system that prevents the furniture from overturning, particularly in drawers for office furniture and the like.
  • drawer furniture or similar are widely used for archiving documents of all kinds (files, folders, etc.) and numerous devices have been developed that, to prevent tipping over, prevent the existence of several open drawers simultaneously; the number of Patents being in this regard being cited, by way of example and among others, the following files, both of the applicant himself (EP1 059402, U 1 030864, U1032265, U1 039748) and other holders (EP02861 99, FR2365677, FR21 73463 , FR2677071, NL7604359, US4768844).
  • the elements of the devices are manufactured according to the size of the furniture or of the drawers, so that for each manufacturer and for each furniture elements of different sizes, which prevents standardization and make the price more expensive.
  • the system object of the invention overcomes this problem: it advocates a new locking system for furniture drawers in which all moving component parts move linearly guided.
  • the system according to the invention being those consisting of a drive shaft attached to each drawer / guide that drives a corresponding locking device, all the locking devices of all the drawers being correlated with each other so that the opening of one of them prevents the remaining, is characterized because for each drawer / guide, the system consists of:
  • a carrier plate fixed to the furniture and defining a groove-rail with at least two angled sections;
  • a mobile blocking element provided with two pop-up bolts that can move linearly guided in the aforementioned slot-rail when being dragged along the corresponding axis, fixed to the drawer or its guide, when it moves linearly;
  • the width of the groove-rail, the diameter of the drive shaft, the diameter of the bolts and the maximum amplitude that can move linearly the movable arms is the same; so that, with any open drawer, the opening of the remaining ones is blocked.
  • the aforementioned upper mobile arms have an extreme ramp which initially affects one of the bolts of the blocking element so that, when one of the drawers is opened, its guided movement is promoted and thus blocking the opening of the remaining ones.
  • the system includes:
  • said recovery means are springs that bump against the corresponding movable arm and the carrier plate on which it is mounted and the Blocker element is extra-flat configuration, with its bolts emerging towards the same face.
  • Figure 1 is a general perspective view and schematically represents the locking system for drawers in furniture object of the invention with its basic components in operative arrangement with the lower module in the "open drawer” position and the upper one in position of "closed drawer”.
  • Figure 2 is a general elevational view and schematically represents the locking system for furniture drawers with their basic components and associated with two drawers (c), with the lower module in the "open drawer” position and the top in “closed drawer” position.
  • Figure 3 represents in front elevation detail a module in motion at the "open drawer” position - Figure 3a - and in motion at the "closed drawer” position - Figure 3b - for a practical, non-limiting example.
  • Figures 4a and 4b are views similar to Figures 3a and 3b but representing a variant to solve an anomalous situation.
  • the locking system for furniture drawers according to the invention is applicable in furniture (M) with drawers consisting of a drive shaft (e) attached to the drawer or its guide (c); which drive shaft (e) drives a corresponding locking device.
  • the lock system for furniture drawers basically used in office furniture and the like, mounts, in correlation with all the drawers (c) of a piece of furniture (M):
  • At least one tie rod (5) which associated at its ends with two mobile arms (3a), (3b) of two adjacent carrier plates (1), constitutes the link between each two nearby modular assemblies; that is, between each two adjacent drawers (c).
  • each carrier plate (1) a) defines a groove-rail (1 1) with at least a first section (1 1 a) and a second section (1 1 b) angled to each other - angular width () -;
  • each blocking element (2) is structured in a single piece body from which two bolts (2a), (2b) emerge to the same side.
  • one of the movable arms - positionally the upper movable arm (3a) - forms an extreme ramp (31).
  • any other alternative practical embodiments that do not alter, change or modify the proposed essentiality are included in the object of the invention: for example, that the groove-rail (1 1) conforms to more than two angled end sections with respect to that with amplitudes angular ( ⁇ ), ( ⁇ ) the same or different from each other and oriented to the same side or to different sides.
  • the arms (3a), (3b) and bars (5) associated with them move vertically guided;
  • the blocking element (2) is mounted by housing its bolts (2a), (2b) in the groove-rail (1 1).
  • the bolts (2a), (2b) of the blocking element (2) are housed in the horizontal section (1 1 a) of the groove-rail (1 1) and the axis of drag (e) is arranged between them.
  • the springs (4) act by lowering the entire set of bars (5) and movable arms (3a), (3b) so that the amplitude (a) is in the highest area of the mechanism;
  • the shaft (e) drags the blocking element (2) by pushing its bolt (2b) which, in its displacement, bumps against the ramp (31) of the movable arm (3a), That it raises and elevates with it the rest of the upper mobile arms (3a) and prevents the displacement of the lower mobile arms (3b).
  • the amplitude (a) has moved to this area and houses the bolt (2a) of the blocking element (2) once the drive shaft (e) continues its path when opening the drawer (c) already released from the bolt (2a) - which has been housed in the section (1 1 b) of the rail slot (1 1) -.
  • the rail slot (1 1) also presents, in continuity with its section (1 1 a), a third section (1 1 c).
  • the sections (1 1 a), (1 1 c) are angled together, forming an angle ( ⁇ ).
  • Each blocking element (2) is structured in a single-piece body from which two bolts (2a), (2b) emerge to the same side and, at least, one of them has a ramp / chamfer (21).
  • the movable arms (3a) have two opposite ramps (31 a), (31 b) opposed (that is, in symmetrical arrangement with respect to their axis of displacement) and, at least, a pusher (32) arranged emp leasingly on the third section (1 1 c) of the rail slot (1 1).

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  • Drawers Of Furniture (AREA)
  • Lock And Its Accessories (AREA)
  • Coin-Freed Apparatuses For Hiring Articles (AREA)

Abstract

The invention relates to a locking system for furniture drawers. The system is of the type that comprise a pull shaft (e) which is connected to each drawer/guide (c) which in turn actuates a corresponding locking device. Moreover, all of the aforementioned locking devices are interconnected, such that the opening of certain drawers prevents the remaining drawers from being opened. The inventive system consists of: a flat support bar (1) which is fixed to the piece of furniture and which defines a track groove (1) comprising at least two segments (11a and 11b), said segments being disposed at an angle to one another; a mobile blocking element (2) comprising two projecting bolts (2a, 2b) which can be guided linearly along the aforementioned track groove (11) when pulled by the movement of the corresponding shaft (e); and aligned mobile arms (3a, 3b) which can move linearly by a maximum amplitude (a) in a vertical track (12) that is defined in the flat support bar (1) on which they are guided. The invention is suitable for office furniture and similar.

Description

"SISTEMA DE BLOQUEO PARA CAJONES DE MUEBLES" "LOCK SYSTEM FOR FURNITURE DRAWERS"
D E S C R I P C I Ó ND E S C R I P C I Ó N
La presente invención trata de un sistema de bloqueo de cajones que impide el vuelco del mueble, particularmente en cajones para muebles de oficina y similares.The present invention relates to a drawer locking system that prevents the furniture from overturning, particularly in drawers for office furniture and the like.
En la actualidad son profusamente utilizados los muebles de cajones o similares para archivo de documentos de todo tipo (fichas, carpetas, etc.) y se han desarrollado numerosísimos dispositivos que, para impedir el vuelco, impiden la existencia de varios cajones abiertos simultáneamente; siendo ingente el número de Patentes al respecto pudiendo citarse, a modo de ejemplo y entre otros los siguientes expedientes, tanto del propio solicitante (EP1 059402, U 1 030864, U1032265, U1 039748) como otros titulares (EP02861 99, FR2365677, FR21 73463, FR2677071 , NL7604359, US4768844) .Currently, drawer furniture or similar are widely used for archiving documents of all kinds (files, folders, etc.) and numerous devices have been developed that, to prevent tipping over, prevent the existence of several open drawers simultaneously; the number of Patents being in this regard being cited, by way of example and among others, the following files, both of the applicant himself (EP1 059402, U 1 030864, U1032265, U1 039748) and other holders (EP02861 99, FR2365677, FR21 73463 , FR2677071, NL7604359, US4768844).
En la mayoría de los sistemas existentes que forman parte del actual estado de la técnica, los elementos de los dispositivos se fabrican a medida del tamaño del mueble o de los cajones, por lo que para cada fabricante y para cada mueble se deben fabricar elementos de tamaños diferentes, lo que impide una standarización y encarecen el precio.In most of the existing systems that are part of the current state of the art, the elements of the devices are manufactured according to the size of the furniture or of the drawers, so that for each manufacturer and for each furniture elements of different sizes, which prevents standardization and make the price more expensive.
Problemas inherentes a los sistemas actuales, incluso a los sistemas que tratan de lograr una standarización son:Problems inherent in current systems, including systems that attempt to achieve standardization are:
a) excesivo número de componentes, o empleo de componentes complejos de difícil fabricación, de difícil montaje y/o de difícil actuación; b) excesivas limitaciones impuestas por el fabricante del mecanismo al fabricante del mueble;a) excessive number of components, or use of complex components that are difficult to manufacture, difficult to assemble and / or difficult to operate; b) excessive limitations imposed by the manufacturer of the mechanism on the furniture manufacturer;
c) dispositivos de accionamiento y de bloqueo dispuestos en sentidos opuestos o en lugares no adecuados;c) drive and locking devices arranged in opposite directions or in inappropriate places;
d) falta de seguridad ante manipulaciones inadecuadas;d) lack of security against improper handling;
e) imposibilidad de apertura en caso de cierre accidental.e) inability to open in case of accidental closure.
Otros problemas y limitaciones de los sistemas conocidos para bloquear cajones de muebles son de índole puramente técnica o constructiva: una o más piezas se desplazan necesariamente en giro, lo cual complica excesivamente el mecanismo.Other problems and limitations of the known systems for blocking furniture drawers are of a purely technical or constructive nature: one or more pieces necessarily move in rotation, which excessively complicates the mechanism.
El sistema objeto del invento supera esta problemática: preconiza un nuevo sistema de bloqueo para cajones de muebles en el que todas las piezas componentes que se mueven se desplazan guiadas linealmente.The system object of the invention overcomes this problem: it advocates a new locking system for furniture drawers in which all moving component parts move linearly guided.
El sistema según la invención siendo de los que constan de un eje de arrastre unido a cada cajón/guía que acciona un correspondiente dispositivo de bloqueo estando todos los dispositivos de bloqueo de todos los cajones correlacionados entre sí de modo que la apertura de uno de ellos impide la de los restantes, se caracteriza porque por cada cajón/guía, el sistema consta de:The system according to the invention being those consisting of a drive shaft attached to each drawer / guide that drives a corresponding locking device, all the locking devices of all the drawers being correlated with each other so that the opening of one of them prevents the remaining, is characterized because for each drawer / guide, the system consists of:
a) una pletina portadora fija al mueble y que define una ranura- carril con, al menos, dos tramos angulados entre sí;a) a carrier plate fixed to the furniture and defining a groove-rail with at least two angled sections;
b) un elemento blocador móvil, provisto de dos bulones emergentes que pueden desplazarse linealmente guiados en la citada ranura-carril al ser arrastrados por el correspondiente eje, fijo al cajón o a su guía, cuando éste se desplaza linealmente;b) a mobile blocking element, provided with two pop-up bolts that can move linearly guided in the aforementioned slot-rail when being dragged along the corresponding axis, fixed to the drawer or its guide, when it moves linearly;
c) unos brazos móviles alineados entre sí, posicionados uno superior y otro inferior y susceptibles de desplazarse linealmente una amplitud máxima (a) en un carril vertical definido en la pletina portadora donde se guían.c) moving arms aligned with each other, positioned one upper and one lower and capable of moving linearly a maximum amplitude (a) in a vertical lane defined on the carrier plate where they are guided.
La anchura de la ranura-carril, el diámetro del eje de arrastre, el diámetro de los bulones y la amplitud máxima que pueden desplazarse linealmente los brazos móviles es la misma; de modo que, con un cajón cualquiera abierto se bloquea la apertura de los restantes.The width of the groove-rail, the diameter of the drive shaft, the diameter of the bolts and the maximum amplitude that can move linearly the movable arms is the same; so that, with any open drawer, the opening of the remaining ones is blocked.
Los citados brazos móviles superiores presentan una rampa extrema en la que incide inicialmente uno de los bulones del elemento blocador para, al abrir uno de los cajones propiciar su desplazamiento guiado y así bloquear la apertura de los restantes.The aforementioned upper mobile arms have an extreme ramp which initially affects one of the bolts of the blocking element so that, when one of the drawers is opened, its guided movement is promoted and thus blocking the opening of the remaining ones.
Adicionalmente, el sistema incluye:Additionally, the system includes:
medios recuperadores que tienden a desplazar unidireccionalmente en aproximación vertical a los citados brazos móviles al desplazarse horizontalmente los citados bulones y dejar libre la amplitud (a) existente entre dos brazos móviles;recovery means that tend to move unidirectionally in vertical approximation to said movable arms by moving said bolts horizontally and freeing the amplitude (a) existing between two movable arms;
- al menos una barra-tirante asociada por sus extremos a dos brazos móviles de dos pletinas portadoras contiguas.- at least one rod-bar associated at its ends with two movable arms of two adjacent carrier plates.
Particularmente, los citados medios recuperadores los constituyen resortes que topan contrapuestamente contra el correspondiente brazo móvil y la pletina portadora en la que se monta y el elemento blocador es de configuración extraplana, con sus bulones emergiendo hacia una misma cara.Particularly, said recovery means are springs that bump against the corresponding movable arm and the carrier plate on which it is mounted and the Blocker element is extra-flat configuration, with its bolts emerging towards the same face.
Para comprender mejor el objeto de la presente invención, se representa en los planos una forma preferente de realización práctica, susceptible de cambios accesorios que no desvirtúen su fundamento.To better understand the object of the present invention, a preferred form of practical embodiment is shown in the drawings, susceptible to accessory changes that do not detract from its foundation.
La figura 1 es una vista general en perspectiva y representa, de forma esquemática, el sistema de bloqueo para cajones en muebles objeto del invento con sus componentes básicos en disposición operativa con el módulo inferior en posición de "cajón abierto" y el superior en posición de "cajón cerrado".Figure 1 is a general perspective view and schematically represents the locking system for drawers in furniture object of the invention with its basic components in operative arrangement with the lower module in the "open drawer" position and the upper one in position of "closed drawer".
La figura 2 es una vista general en alzado y representa, de forma esquemática, el sistema de bloqueo para cajones de muebles con sus componentes básicos y asociado a sendos cajones (c), con el módulo inferior en posición de "cajón abierto" y el superior en posición de "cajón cerrado".Figure 2 is a general elevational view and schematically represents the locking system for furniture drawers with their basic components and associated with two drawers (c), with the lower module in the "open drawer" position and the top in "closed drawer" position.
La figura 3 representa en detalle alzado frontal un módulo en movimiento a posición de "cajón abierto" -figura 3a- y en movimiento a posición de "cajón cerrado" -figura 3b- para un ejemplo -no limitativo- de realización práctica.Figure 3 represents in front elevation detail a module in motion at the "open drawer" position - Figure 3a - and in motion at the "closed drawer" position - Figure 3b - for a practical, non-limiting example.
Las figuras 4a y 4b son vistas similares a las figuras 3a y 3b pero representando una variante para solucionar una situación anómala.Figures 4a and 4b are views similar to Figures 3a and 3b but representing a variant to solve an anomalous situation.
La situación anómala se produce cuando por accidente los bulones (2a), (2b) del elemento blocador (2) quedan en el primer tramo (1 1 a) de la ranura carril ( 1 1 ) y el eje de arrastre (e) al exterior de ellos (figura 4a). Se describe a continuación un ejemplo de realización práctica, no limitativa, del presente invento.The anomalous situation occurs when by accident the bolts (2a), (2b) of the blocking element (2) remain in the first section (1 1 a) of the rail slot (1 1) and the drive shaft (e) to the outside of them (figure 4a). An example of practical, non-limiting embodiment of the present invention is described below.
El sistema de bloqueo para cajones de muebles según la invención es de aplicación en muebles (M) con cajones de los que constan de un eje de arrastre (e) unido al cajón o a su guía (c); el cual eje de arrastre (e) acciona un correspondiente dispositivo de bloqueo.The locking system for furniture drawers according to the invention is applicable in furniture (M) with drawers consisting of a drive shaft (e) attached to the drawer or its guide (c); which drive shaft (e) drives a corresponding locking device.
De conformidad con la invención, el sistema de bloqueo para cajones de muebles empleado básicamente en muebles de oficina y similares, monta, en correlación con todos los cajones (c) de un mueble (M) :In accordance with the invention, the lock system for furniture drawers basically used in office furniture and the like, mounts, in correlation with all the drawers (c) of a piece of furniture (M):
- una pletina portadora (1 )- a carrier plate (1)
- un elemento blocador (2)- a blocking element (2)
- unos brazos móviles posicionados uno (3a) superiormente y otro (3b) inferiormente en la pletina portadora ( 1 )- moving arms positioned one (3a) superiorly and another (3b) inferiorly on the carrier plate (1)
todo ello formando un conjunto modular (por cada cajón) .all this forming a modular set (for each drawer).
Adicionalmente, se incluyen:Additionally, they include:
- medios recuperadores -resortes (4)-- recovery media -resortes (4) -
- al menos una barra-tirante (5), que asociada por sus extremos a dos brazos móviles (3a), (3b) de dos pletinas portadoras (1 ) contiguas, constituye el nexo de unión entre cada dos conjuntos modulares próximos; es decir, entre cada dos cajones (c) contiguos.- at least one tie rod (5), which associated at its ends with two mobile arms (3a), (3b) of two adjacent carrier plates (1), constitutes the link between each two nearby modular assemblies; that is, between each two adjacent drawers (c).
Según la realización representada, cada pletina portadora ( 1 ): a) define una ranura-carril (1 1 ) con, al menos, un primer tramo (1 1 a) y un segundo tramo (1 1 b) angulados entre sí -amplitud angular ( )-;According to the embodiment shown, each carrier plate (1): a) defines a groove-rail (1 1) with at least a first section (1 1 a) and a second section (1 1 b) angled to each other - angular width () -;
b) conforma un carril-guía (1 2), ortogonal a uno de los tramos (1 1 a) de la citada ranura-carril ( 1 1 ), que se continúa por ambos extremos en sendos alojamientos (1 3) coaxiales entre sí y con el citado carril-guía ( 1 2);b) forms a guide rail (1 2), orthogonal to one of the sections (1 1 a) of the mentioned rail slot (1 1), which is continued at both ends in two coaxial housings (1 3) and with said guide rail (1 2);
c) dispone una cajera ( 1 4) en la que se aloja, al menos, un resorte (4) .c) it has a pocket (1 4) in which at least one spring (4) is housed.
Según la realización representada, cada elemento blocador (2) se estructura en un cuerpo monopieza del que emergen hacia un mismo lado dos bulones (2a), (2b) .According to the embodiment shown, each blocking element (2) is structured in a single piece body from which two bolts (2a), (2b) emerge to the same side.
Según la realización representada, uno de los brazos móviles - posicionalmente el brazo móvil superior (3a)- conforma una rampa extrema (31 ) .According to the embodiment shown, one of the movable arms - positionally the upper movable arm (3a) - forms an extreme ramp (31).
En el sistema objeto del invento se cumple la siguiente relación dimensional:In the system object of the invention the following dimensional relationship is fulfilled:
La amplitud máxima que pueden desplazarse linealmente los brazos móviles (3a), (3b) y barras (5) asociadas a ellos; el diámetro de los bulones (2a), (2b) del elemento blocador (2) y el diámetro del eje de arrastre (e) asociado al cajón o a su guía (c) es la misma o sensiblemente la misma -aparece indicada como cota (a) en las figuras del plano-.The maximum amplitude that can move linearly the mobile arms (3a), (3b) and bars (5) associated with them; the diameter of the bolts (2a), (2b) of the blocking element (2) and the diameter of the drive shaft (e) associated with the drawer or its guide (c) is the same or substantially the same - it appears indicated as dimension ( a) in the figures of the plane.
Están incluidas en el objeto del invento cualesquiera otras realizaciones prácticas alternativas que no alteren, cambien o modifiquen la esencialidad propuesta: por ejemplo que la ranura-carril ( 1 1 ) conforme más de dos tramos extremos angulados respecto a aquél con amplitudes angulares (α), (β) iguales o distintas entre sí y orientadas hacia un mismo lado o hacia lados distintos.Any other alternative practical embodiments that do not alter, change or modify the proposed essentiality are included in the object of the invention: for example, that the groove-rail (1 1) conforms to more than two angled end sections with respect to that with amplitudes angular (α), (β) the same or different from each other and oriented to the same side or to different sides.
Con estos componentes y estructuración, para lograr el sistema de bloqueo objeto del invento, el montaje tiene lugar:With these components and structuring, to achieve the locking system object of the invention, the assembly takes place:
a) disponiendo la pletina portadora (1 ) fijada al mueble (M) de forma que uno de los tramos (1 1 a) de su ranura-carril ( 1 1 ) queda dispuesto horizontalmente y el otro tramo (1 1 b) queda formando un ángulo (α) respecto a la horizontal.a) providing the carrier plate (1) fixed to the furniture (M) so that one of the sections (1 1 a) of its groove-rail (1 1) is arranged horizontally and the other section (1 1 b) is forming An angle (α) with respect to the horizontal.
Los brazos (3a), (3b) y barras (5) asociadas a ellos se desplazan guiados verticalmente;The arms (3a), (3b) and bars (5) associated with them move vertically guided;
b) en cada módulo, uno de los brazos (3a) tiende a descender por la acción del resorte (4) obligando a los restantes brazos (3a), (3b) . La acción de los resortes (4) se acumula en el conjunto del mecanismo;b) in each module, one of the arms (3a) tends to descend by the action of the spring (4) forcing the remaining arms (3a), (3b). The action of the springs (4) accumulates in the whole mechanism;
c) el elemento blocador (2) queda montado alojando sus bulones (2a), (2b) en la ranura-carril (1 1 ) .c) the blocking element (2) is mounted by housing its bolts (2a), (2b) in the groove-rail (1 1).
El funcionamiento tiene lugar de la forma siguiente:The operation takes place as follows:
a) con todos los cajones (c) cerrados, los bulones (2a), (2b) del elemento blocador (2) se alojan en el tramo horizontal (1 1 a) de la ranura- carril (1 1 ) y el eje de arrastre (e) queda dispuesto entre ambos. En esta posición actúan los muelles (4) haciendo descender todo el conjunto de barras (5) y brazos móviles (3a), (3b) de forma que la amplitud (a) queda en la zona más elevada del mecanismo;a) with all the drawers (c) closed, the bolts (2a), (2b) of the blocking element (2) are housed in the horizontal section (1 1 a) of the groove-rail (1 1) and the axis of drag (e) is arranged between them. In this position the springs (4) act by lowering the entire set of bars (5) and movable arms (3a), (3b) so that the amplitude (a) is in the highest area of the mechanism;
b) al abrir uno cualquiera de los cajones (c) el eje (e) arrastra al elemento blocador (2) empujando su bulón (2b) que, en su desplazamiento, topa contra la rampa (31 ) del brazo móvil (3a), que se eleva y eleva con él al resto de los brazos móviles (3a) superiores e impide el desplazamiento de los brazos móviles (3b) inferiores. La amplitud (a) se ha trasladado a esta zona y aloja en ella al bulón (2a) del elemento blocador (2) una vez que el eje de arrastre (e) sigue su camino al abrir el cajón (c) liberado ya del bulón (2a) -que se ha alojado en el tramo ( 1 1 b) de la ranura-carril (1 1 )-.b) when opening any one of the drawers (c) the shaft (e) drags the blocking element (2) by pushing its bolt (2b) which, in its displacement, bumps against the ramp (31) of the movable arm (3a), That it raises and elevates with it the rest of the upper mobile arms (3a) and prevents the displacement of the lower mobile arms (3b). The amplitude (a) has moved to this area and houses the bolt (2a) of the blocking element (2) once the drive shaft (e) continues its path when opening the drawer (c) already released from the bolt (2a) - which has been housed in the section (1 1 b) of the rail slot (1 1) -.
En tanto se mantenga un cajón (c) abierto -es decir, con el bulón (2a) presionado entre dos brazos (3a), (3b) por la acción de los resortes (4)- los demás cajones (c) se mantendrán cerrados y bloqueados, al no poder desplazarse los restantes brazos (3a), (3b) incluso al topar el correspondiente bulón (2b) contra la correspondiente rampa (31 ) .As long as a drawer (c) is kept open - that is, with the pin (2a) pressed between two arms (3a), (3b) by the action of the springs (4) - the other drawers (c) will be kept closed and locked, when the remaining arms (3a) cannot be moved, (3b) even when the corresponding bolt (2b) is hit against the corresponding ramp (31).
Según la variante de la figura 4, la ranura carril (1 1 ) presenta, además, en continuidad con su tramo (1 1 a), un tercer tramo ( 1 1 c). Los tramos ( 1 1 a), ( 1 1 c) van angulados entre sí, formando un ángulo (β) .According to the variant of Figure 4, the rail slot (1 1) also presents, in continuity with its section (1 1 a), a third section (1 1 c). The sections (1 1 a), (1 1 c) are angled together, forming an angle (β).
Cada elemento blocador (2) se estructura en un cuerpo monopieza del que emergen hacia un mismo lado dos bulones (2a), (2b) y, al menos, uno de ellos presenta una rampa/chaflán (21 ).Each blocking element (2) is structured in a single-piece body from which two bolts (2a), (2b) emerge to the same side and, at least, one of them has a ramp / chamfer (21).
También se aprecia que los brazos móviles (3a) presentan sendas rampas extremas (31 a), (31 b) contrapuestas (es decir, en disposición simétrica respecto a su eje de desplazamiento) y, al menos, un empujador (32) dispuesto enf rentadamente sobre el tercer tramo ( 1 1 c) de la ranura-carril (1 1 ).It is also appreciated that the movable arms (3a) have two opposite ramps (31 a), (31 b) opposed (that is, in symmetrical arrangement with respect to their axis of displacement) and, at least, a pusher (32) arranged emp leasingly on the third section (1 1 c) of the rail slot (1 1).
La variante de las figuras 4a y 4b incluye que:The variant of Figures 4a and 4b includes that:
a) que los bulones (2a), (2b) presenten rampa/chaflán (21 ), lo que posibilita indistintamente la disposición de un mismo elemento blocador (2) a derechas o a izquierdas; b) que los brazos móviles (31 ) presenten sendos empujadores (32) en disposición simétrica, lo que posibilita indistintamente la disposición de un mismo brazo móvil (3a) a derechas o a izquierdas.a) that the bolts (2a), (2b) have a ramp / chamfer (21), which interchangeably allows the arrangement of the same blocking element (2) to the right or to the left; b) that the movable arms (31) have two pushers (32) in symmetrical arrangement, which makes it possible interchangeably with the same mobile arm (3a) to the right or to the left.
Para una situación anómala -figuras 4a, 4b- en la que, con un cajón cualquiera (c) abierto, los bulones (2a), (2b) del elemento blocador (2) están alojados en el tramo horizontal (1 1 a) de la ranura-carril (1 1 ) y el eje de arrastre (e) dispuesto lejos de ellos. En esta posición actúan los muelles (4) haciendo descender todo el conjunto de barras (5) y brazos móviles (3a), (3b) de forma que la amplitud (a) queda en la zona más elevada del mecanismo, con lo que puede abrirse otro cajón (c) cualquiera.For an anomalous situation - figures 4a, 4b- in which, with any open drawer (c) open, the bolts (2a), (2b) of the blocking element (2) are housed in the horizontal section (1 1 a) of the rail slot (1 1) and the drive shaft (e) arranged away from them. In this position the springs (4) act by lowering the whole set of bars (5) and movable arms (3a), (3b) so that the amplitude (a) is in the highest area of the mechanism, so that it can open another drawer (c) any.
Con la solución presentada, basta cerrar el cajón (C) correspondiente al blocador (2) situado en posición anómala para que:With the solution presented, just close the drawer (C) corresponding to the blocker (2) located in the anomalous position so that:
a) el eje (e) de arrastre empuje primero sobre la rampa extrema (31 b) del brazo móvil (3a) para elevarlo en la guía (1 2) y luego empuje sobre el bulón (2b) para elevarlo en el tercer tramo ( 1 1 c) de la ranura- carril ( 1 1 ) . Esta última acción se ve facilitada por la rampa/chaflán (21 ) del bulón (2b);a) the drive shaft (e) first push on the end ramp (31 b) of the movable arm (3a) to raise it in the guide (1 2) and then push on the bolt (2b) to raise it in the third section ( 1 1 c) of the groove-rail (1 1). This last action is facilitated by the ramp / chamfer (21) of the bolt (2b);
b) sobrepasado el bulón (2b) por el eje (e), el empujador (32) del brazo móvil (3a) le presiona por la acción del muelle (4) y le obliga a retornar a una situación de funcionamiento correcto y cajón (C) cerrado. b) exceeded the bolt (2b) by the axis (e), the pusher (32) of the movable arm (3a) presses him by the action of the spring (4) and forces him to return to a correct operating situation and drawer ( C) closed.

Claims

R E I V I N D I CA C I O N E S REIVINDI CA CIONES
1.- Sistema de bloqueo para cajones de muebles, de los que constan de un eje de arrastre (e) unido a cada cajón/guía (c) que acciona un correspondiente dispositivo de bloqueo estando todos los dispositivos de bloqueo de todos los cajones correlacionados entre sí de modo que la apertura de unos de ellos impide la de los demás; caracterizado porque por cada cajón/guía (c), el sistema consta de:1.- Locking system for furniture drawers, which consist of a drive shaft (e) attached to each drawer / guide (c) that activates a corresponding locking device, with all locking devices of all correlated drawers each other so that the opening of some of them prevents that of others; characterized in that for each drawer / guide (c), the system consists of:
a) una pletina portadora (1) fija al mueble y que define una ranura-carril (11) con, al menos, dos tramos (11a), (11b) angulados entre sí (α);a) a carrier plate (1) fixed to the furniture and defining a groove-rail (11) with at least two sections (11a), (11b) angled together (α);
b) un elemento blocador (2) móvil provisto de dos bulones (2a), (2b) emergentes que pueden desplazarse linealmente guiados en la citada ranura-carril (11) al ser arrastrados con el movimiento del correspondiente eje (e), fijo al cajón o a su guía (c), cuando éste se desplaza linealmente;b) a mobile blocking element (2) provided with two emerging bolts (2a), (2b) that can move linearly guided in said lane groove (11) when being dragged with the movement of the corresponding axis (e), fixed to the drawer or its guide (c), when it moves linearly;
c) unos brazos móviles alineados entre sí, posicionados uno superior (3a) y otro inferior (3b) y susceptibles de desplazarse linealmente una amplitud máxima (a) en un carril vertical (12) definido en la pletina portadora (1) donde se guían.c) moving arms aligned with each other, positioned one upper (3a) and one lower (3b) and capable of moving linearly a maximum amplitude (a) in a vertical rail (12) defined in the carrier plate (1) where they are guided .
2.- Sistema de bloqueo para cajones de muebles, según reivindicación anterior, caracterizado porque la anchura de la ranura-carril (11), el diámetro del eje de arrastre (e), el diámetro de los bulones (2a), (2b) y la amplitud máxima (a) que pueden desplazarse linealmente los brazos móviles es la misma; de modo que, con un cajón cualquiera (c) abierto se bloquea la apertura de los restantes. 2. Locking system for furniture drawers, according to the preceding claim, characterized in that the width of the groove-rail (11), the diameter of the drive shaft (e), the diameter of the bolts (2a), (2b) and the maximum amplitude (a) that the movable arms can move linearly is the same; so that, with any drawer open (c), the opening of the remaining ones is blocked.
3.- Sistema de bloqueo para cajones de muebles, según reivindicaciones anteriores, caracterizado porque uno de los citados brazos móviles (3a) presentan una rampa extrema (31 ) en la que incide inicialmente uno de los bulones (2b) del elemento blocador (2) para, al abrir uno de los cajones (c) propiciar su desplazamiento guiado u así bloquear la apertura de los restantes.3.- Locking system for furniture drawers, according to previous claims, characterized in that one of said movable arms (3a) has an extreme ramp (31) in which one of the bolts (2b) of the blocking element (2) ) to, when opening one of the drawers (c) propitiate its guided movement or block the opening of the remaining ones.
4.- Sistema de bloqueo para cajones de muebles, según reivindicaciones anteriores, caracterizado porque particularmente, los citados medios recuperadores los constituyen resortes (4) que topan contrapuestamente contra el correspondiente brazo móvil (3a) y la pletina portadora ( 1 ) en la que se monta.4.- Locking system for furniture drawers, according to previous claims, characterized in that, in particular, said recovery means are springs (4) that collide against the corresponding mobile arm (3a) and the carrier plate (1) in which It is mounted.
5.- Sistema de bloqueo para cajones de muebles, según reivindicaciones anteriores, caracterizado porque el elemento blocador (2) es de configuración extraplana y sus bulones (2a), (2b) emergen hacia una misma cara.5. Locking system for furniture drawers, according to previous claims, characterized in that the blocking element (2) is of extra-flat configuration and its bolts (2a), (2b) emerge towards the same face.
6.- Sistema de bloqueo para cajones de muebles, según reivindicaciones anteriores, caracterizado porque, en cada pletina portadora (1 ), se disponen medios recuperadores (4) que tienden a desplazar unidireccionalmente en aproximación vertical a los citados brazos móviles (3a), (3b) al desplazarse horizontalmente los citados bulones (2a), (2b) y dejar libre la amplitud (a) existente entre dos brazos móviles (3a), (3b).6. Locking system for furniture drawers, according to previous claims, characterized in that, on each carrier plate (1), recovery means (4) are arranged that tend to move unidirectionally in vertical approach to said movable arms (3a), (3b) when the aforementioned bolts (2a), (2b) move horizontally and free the amplitude (a) between two moving arms (3a), (3b).
7.- Sistema de bloqueo para cajones de muebles, según reivindicaciones anteriores, caracterizado porque incluye, al menos, una barra-tirante (5) asociada por sus extremos a dos brazos móviles (3a), (3b) de dos pletinas portadoras (1 ) contiguas. 7. Locking system for furniture drawers, according to previous claims, characterized in that it includes at least one tie rod (5) associated at its ends with two movable arms (3a), (3b) of two carrier plates (1 ) adjoining.
8.- Sistema de bloqueo para cajones de muebles, según reivindicación primera, caracterizado porque la ranura-carril ( 1 1 ) presenta, en comunicación con su tramo horizontal ( 1 1 a), un tercer tramo (1 1 c) angulado respecto a él capaz de alojar a un bulón (2b) del elemento blocador.8.- Locking system for furniture drawers, according to claim one, characterized in that the groove-rail (1 1) presents, in communication with its horizontal section (1 1 a), a third section (1 1 c) angled with respect to he capable of accommodating a bolt (2b) of the blocking element.
9.- Sistema de bloqueo para cajones de muebles, según reivindicaciones anteriores, caracterizado porque al menos el bulón (2b) del elemento blocador (2) enfrentado al eje de arrastre (e) presenta una rampa/chaflán (21 ) y el brazo móvil superioir (3a) presenta sendas rampas laterales (31 a), (31 b) contrapuestas, en las que inciden uno u otro de los bulones (2a), (2b) .9.- Locking system for furniture drawers, according to previous claims, characterized in that at least the bolt (2b) of the blocking element (2) facing the drive shaft (e) has a ramp / chamfer (21) and the movable arm superior (3a) has two lateral ramps (31 a), (31 b) opposite, in which one or the other of the bolts (2a), (2b).
1 0.- Sistema de bloqueo para cajones de muebles, según reivindicaciones anteriores, caracterizado porque el citado brazo móvil superior (3a) presenta, al menos, un empujador (32), dispuesto enf rentadamente sobre el tercer tramo ( 1 1 c) de la ranura-carril ( 1 1 ) . 1 0.- Locking system for furniture drawers, according to previous claims, characterized in that said upper movable arm (3a) has at least one pusher (32), disposed emphatically on the third section (1 1 c) of the rail slot (1 1).
PCT/ES2004/000084 2003-05-23 2004-02-24 Locking system for furniture drawers WO2004104336A1 (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
EP04713915A EP1637677B1 (en) 2003-05-23 2004-02-24 Locking system for furniture drawers
DE602004004534T DE602004004534T2 (en) 2003-05-23 2004-02-24 LOCKING SYSTEM FOR FURNITURE DRAWERS
US10/541,958 US7637576B2 (en) 2003-05-23 2004-02-24 Blocking system for furniture drawers

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
ES200301218A ES2220220B1 (en) 2003-05-23 2003-05-23 LOCK SYSTEM FOR FURNITURE DRAWERS.
ESPA200301218 2003-05-23
ES200303044A ES2235652B1 (en) 2003-05-23 2003-12-23 IMPROVEMENTS IN THE OBJECT OF THE MAIN PATENT N.200301218 BY LOCK SYSTEM FOR FURNITURE DRAWERS.
ESPA200303044 2003-12-23

Publications (1)

Publication Number Publication Date
WO2004104336A1 true WO2004104336A1 (en) 2004-12-02

Family

ID=33477694

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/ES2004/000084 WO2004104336A1 (en) 2003-05-23 2004-02-24 Locking system for furniture drawers

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EP (1) EP1637677B1 (en)
AT (1) ATE352690T1 (en)
DE (1) DE602004004534T2 (en)
ES (1) ES2279350T3 (en)
WO (1) WO2004104336A1 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL1029528C2 (en) * 2005-07-14 2007-01-17 Thomas Regout Internat B V Anti tip device for furniture containing drawers, e.g. filing cabinet, has cam followers tensioned by springs to push actuator cams back to their starting positions

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE202009013411U1 (en) * 2009-10-23 2011-03-10 Paul Hettich Gmbh & Co. Kg Locking system of a removable furniture part and furniture
AT509331B1 (en) 2010-05-28 2011-08-15 Fulterer Gmbh EXTRACTION DEVICE FOR AT LEAST TWO REMOVABLE FURNITURE PARTS
AT511116B1 (en) 2011-03-10 2013-01-15 Fulterer Gmbh AUSZIEHSPERRVORRICHTUNG

Citations (5)

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Publication number Priority date Publication date Assignee Title
DE2131548B1 (en) * 1971-06-25 1972-10-05 Soennecken Fa F Locking device for furniture with several extracts
EP0286199A1 (en) * 1987-02-06 1988-10-12 Engineered Security Products Corporation Drawer interlock
ES1031936U (en) * 1994-12-20 1996-03-01 Huwil Werke Gmbh Drawer locking means for drawers arranged one above the other
JPH09215540A (en) * 1996-02-14 1997-08-19 Kurogane Kosakusho:Kk Device for preventing double drawing of drawer
JP2001037563A (en) * 1999-07-30 2001-02-13 Itoki Crebio Corp Multiple drawer type furniture

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2131548B1 (en) * 1971-06-25 1972-10-05 Soennecken Fa F Locking device for furniture with several extracts
EP0286199A1 (en) * 1987-02-06 1988-10-12 Engineered Security Products Corporation Drawer interlock
ES1031936U (en) * 1994-12-20 1996-03-01 Huwil Werke Gmbh Drawer locking means for drawers arranged one above the other
JPH09215540A (en) * 1996-02-14 1997-08-19 Kurogane Kosakusho:Kk Device for preventing double drawing of drawer
JP2001037563A (en) * 1999-07-30 2001-02-13 Itoki Crebio Corp Multiple drawer type furniture

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL1029528C2 (en) * 2005-07-14 2007-01-17 Thomas Regout Internat B V Anti tip device for furniture containing drawers, e.g. filing cabinet, has cam followers tensioned by springs to push actuator cams back to their starting positions

Also Published As

Publication number Publication date
DE602004004534T2 (en) 2007-11-22
ES2279350T3 (en) 2007-08-16
ATE352690T1 (en) 2007-02-15
EP1637677B1 (en) 2007-01-24
EP1637677A1 (en) 2006-03-22
DE602004004534D1 (en) 2007-03-15

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