EP1340874B1 - Dispositif de blocage sélectif de tiroirs avec protection contre le basculement - Google Patents

Dispositif de blocage sélectif de tiroirs avec protection contre le basculement Download PDF

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Publication number
EP1340874B1
EP1340874B1 EP02380046A EP02380046A EP1340874B1 EP 1340874 B1 EP1340874 B1 EP 1340874B1 EP 02380046 A EP02380046 A EP 02380046A EP 02380046 A EP02380046 A EP 02380046A EP 1340874 B1 EP1340874 B1 EP 1340874B1
Authority
EP
European Patent Office
Prior art keywords
drawer
drawers
blocking
stop
nipple
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.)
Expired - Lifetime
Application number
EP02380046A
Other languages
German (de)
English (en)
Other versions
EP1340874A1 (fr
Inventor
Jaime Planellas Muntada
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Industrias Ragi SA
Original Assignee
Industrias Ragi SA
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
Application filed by Industrias Ragi SA filed Critical Industrias Ragi SA
Priority to EP02380046A priority Critical patent/EP1340874B1/fr
Priority to AT02380046T priority patent/ATE321180T1/de
Priority to ES02380046T priority patent/ES2258607T3/es
Priority to PT02380046T priority patent/PT1340874E/pt
Priority to DE60210038T priority patent/DE60210038T2/de
Publication of EP1340874A1 publication Critical patent/EP1340874A1/fr
Application granted granted Critical
Publication of EP1340874B1 publication Critical patent/EP1340874B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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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 refers to a device for selective blocking of drawers with overturning protection from among the blocking systems that allow the opening of a drawer and at the same time make it impossible to open the rest of the drawers and that therefore reduce the possibility of overturning the cabinet of drawers.
  • the present invention is characterised in the use of an small housing inside the guide that includes the main device based on two stops and a swivel and that performs the selective blocking.
  • the cabinets of drawers can be fixed or mobile, being displaced by means of wheels.
  • the supporting base is smaller or at most the same as the vertical projection of the cabinet of drawers since otherwise the use of feet that project beyond the cabinet of drawers can lead to tripping accidents when passing, as well as inconveniencing or impeding integration with the rest of the furniture.
  • the opening of the drawer supposes a horizontal displacement of the centre of gravity that positions it outside the vertical projection of its base.
  • This force determines a moment that tends to overturn the cabinet of drawers unless the weight of the rest of the set of drawers is enough to balance the moment that favours overturning.
  • the mechanisms known make use of diverse devices that impede opening, for example by means of pincer systems with actuators external to the guide and that have to be installed as an element additional to the mechanism for guiding the drawer.
  • This type of blocking system incorporates a high number of piece parts that have to be adequately calibrated before their installation in the drawers, so that, if this adjustment is not carried out the resulting mechanism offers serious difficulties in its normal operation.
  • the present invention makes use of a mechanism that is clearly simpler than those known in the state of the art that gives rise to a device incorporated in the guide and not external, which reduces the installation time, the adjustments necessary for their operation, and provides a guaranteed performance. It is known in the State of the art a device for selective blocking of drawers with overturning protection as the one disclosed in US 4936640 where the system disclosed is based in a cam which is able to undergo rotational or translational movement. So the aim of the present invention is to overcome the aforementioned drawbacks developing a new device for selecting a blocking of drawers, designed in such a way that avoid the overturning of the drawers allowing the opening of only one drawer at the same time. In order to allow such objectives we develop the device disclosed in the present invention.
  • the present invention relates to a selective blocking device for drawers with overturning protection incorporated in the guides of each of the drawers.
  • This device consists in the combined use of the blocking mechanism that is incorporated in the guide, and of the connecting bars between these blocking systems.
  • the incorporated device is already included in the device at the time of installation in such a manner that only the additional incorporation of the bars situated between devices is required for their mutual operation coordinating the opening of a single device at a given time.
  • the blocking device consists of a small housing formed by two lateral guides that are mounted transversal to the guide joined to the cabinet and connected by two irregular bars at their ends the external face of which has the same profile as the guide of the cabinet, leaving the small housing being fitted and secure.
  • this small housing can make use of additional means of fastening, or some rear nipples that enter into recesses of the drawer guide, or, taking advantage of the existence of the upper and lower cuts of the guide that allow the passage of the connecting bars between devices, fastening is assured by projections that rest on the walls of the cut.
  • the guides of the small housing are vertical and they allow the sliding of the two main pieces that are lodged in its interior.
  • the two stops have an irregular form but both are a base plate with the edges coincident with the guides of the small housing in which they are held and slide, and on the opposite ends they have a support to secure the bar that serves as pusher for blocking the devices that are either above or below, depending on whether it is the upper or lower piece respectively.
  • the bar that is fixed in the upper stop is joined to the lower stop of the device that is in the guide that corresponds to the drawer immediately above; and, the bar that is fixed in the lower stop is joined to the upper stop of the device that is in the guide that corresponds to the drawer immediately below.
  • the drawer has its guide to allow it to go in and come out.
  • This guide has a centred nipple oriented toward the guide fixed to the cabinet (the larger one) in such a way that when entering completely it has to be held in the blocking device.
  • this nipple that the opening of the drawer is prevented when there is another open, and it is also this nipple that activates the blocking of all the other drawers when its drawer is pulled out.
  • the nipple by being centred, when the drawer is closed, can only be held between the upper and lower stop.
  • the contact line between the upper and lower stop coincides with the lower horizontal tangent of the nipple.
  • the upper stop should rise establishing a distance of sufficiently wide spacing so that the nipple mentioned enters completely.
  • the innermost wing of the front "C" of the swivel is prolonged to the base plane of the upper and lower stops, and in its anticlockwise rotation this rear prolongation is held inside an arc-shaped recess of mainly oblique sides with an occasional straight sector.
  • the C-shaped swivel is capable of holding the nipple; and, in its rear part has a thickening that can either be lodged in the arc-shaped recess of the same lower stop or act as support for the upper stop merely by rotating through the action of the nipple and becoming vertical.
  • the pulling out of the drawer therefore blocks the withdrawal of the drawers that are above, as well as those that are below.
  • the upper stop in the outer or frontal area, has a pawl that interferes with the ingress of the nipple offering an oblique surface both for ingress and for egress.
  • This oblique surface is that which makes the nipple slide forcing the elevation of the upper stop both on ingress and on egress.
  • the lower stop also has a small rounding that eliminates the edge that there would be in its place in the ingress area of this same nipple to allow an ingress of the drawer as smooth as possible.
  • the spring works at all times in compression, and the walls of the recess prevent it from buckling.
  • the lower end of the spring rests on the lower base of the recess that holds it, and its upper end fits in a hole made in the upper part of the small housing in the transversal bar that serves to secure the small housing to the profile of the guide in which it is installed.
  • the device so conceived is not only held inside the large guide joined to the cabinet, but also does not increase the width between the profiles that constitute the fixed and slidable part of the drawer guide.
  • Figure 1 is the small housing that holds the upper and lower stops, represented in elevation, plan and profile.
  • Figure 2 represents, separately, the lower stop in elevation and plan, and the swivel with its C-shaped housing in elevation, plan and profile.
  • Figure 3 represents the upper stop in elevation and plan.
  • Figure 4 is an elevation and profile of the assembly formed by the drawer guide and its incorporated blocking device with the position resulting from having its drawer open.
  • Figure 5 is an elevation and profile of the assembly formed by the drawer guide and its blocking device activated when it is a drawer that is above the open one.
  • Figure 6 is an elevation and profile of the assembly with the blocking device activated when it is a drawer that is below the open one.
  • Figure 7 is an elevation and profile of three assemblies that correspond to three consecutive drawers with the intermediate drawer open and that above and below blocked.
  • the present invention refers to a selective blocking device for drawers with overturning protection.
  • the drawers can be withdrawn thanks to two lateral guides, one on each side, with three profiles, a wide profile (1) fixed to the drawer cabinet, another of smaller dimensions (2) joined to the drawer, plus an intermediate one that allows the total extension and that is not numbered as it does not intervene in the blocking system.
  • the smaller profile (2) or narrow profile (2) can slide with respect to the wide profile (1) to allow the linear movement of extracting the drawer.
  • the smaller profile (2) has close to its innermost end a nipple (2.1) on its face opposite to the wide profile (1) that serves as a means of retention and as actuator to make the blocking devices work appropriately.
  • the end of the profile of the wider guide (1) holds a small housing ⁇ 3) that is constituted mainly by two lateral vertical guides (3.1) connected by two irregular horizontal bars (3.2) the external profile of which adapts to the form of the internal face of the profile of the wide guide (1) for their fastening.
  • the small housing (3) in its upper transversal bar (3.2) includes a hole directed downwards that holds the upper end of a spring that is lodged inside a recess (4.3) that prevents it from buckling.
  • the lower stop (5) in turn includes a swivel (6) with its front part C-shaped intended to admit the nipple (2.1) of the narrow profile (2).
  • the upper wing (6.1) of the "C" of this same swivel (6) is prolonged to the rear face in such a way that it ends up resting on the base plate of the upper stop (4) after rotating in a clockwise direction.
  • Both the lower stop (4) and the upper stop (5) fit tightly against the rear face so that they would not come into contact with the nipple (2.1) of the narrow profile (2) if it was not for the presence of two frontal projections in these stops (4, 5).
  • the frontal projection (4.2) of the upper stop (4) has an arc-shaped lower profile so that both the ingress of the nipple (2.1) from the right and from the left force a vertical displacement of the upper stop (4).
  • Both stops have a connection to a bar (7) that link adjacent devices.
  • Each lower stop (5) has a connection (5.2) downwards that connects by means of a bar (7) with the upper connection (4.1) of the upper stop (4) that is in the device immediately below.
  • the lower stop (5) also comes with a frontal projection (5.3) which is that which comes into contact with the nipple (2.1); and, on this frontal projection (5.3), on its left side, is where the perforation (5.4) is found in which the swivel (6) is lodged and pivots.
  • figures 1, 2 and 3 show the pieces of the blocking device separately, figure 4 shows all the described pieces in assembled form.
  • the narrow profile (2) will not hide the elements that there are behind it in order to allow the different positions of the pieces that intervene in the blocking to be observed.
  • Figure 4 corresponds with the position of the blocking system when the drawer has been pulled out.
  • the swivel In the egress of the nipple (2.1), the swivel has been pulled (6) and forced to rotate in a clockwise direction until the wing (6.1) that has a rear prolongation is vertical.
  • the stop (4) does not descend since the prolongation of the wing (6.1) of the swivel (6), that which has been made vertical, retains it maintaining the separation with the lower stop (5).
  • the lower stop (5) cannot be raised given the mandatory distance between stops close to the maximum movement that the length of the small housing (3) allows, and the upper stop (4) cannot descend either for the same reason.
  • Figure 5 shows the device that corresponds to the blocking device with the drawer closed, and the drawer above open.
  • the nipple. (2.1) of the narrow profile (2) is behind the projection (4.2) with the curved lower profile.
  • Figure (6) shows how blocking is established in the drawers that are fitted above the open drawer.
  • Figure 7 shows the three assemblies represented in figures 5, 6 and 7 together, to establish a better relationship between the relative displacements of each one of the stops when the intermediate drawer is opened, reproducing the three cases that have been commented separately and based on more detailed figures.
  • a key is included that positions an interfering element on the last stop in order that closure be maintained.

Landscapes

  • Drawers Of Furniture (AREA)
  • Lock And Its Accessories (AREA)
  • Gloves (AREA)

Claims (10)

  1. Dispositif de verrouillage sélectif pour tiroirs à effet anti-basculement, tu type qui après avoir permis l'ouverture d'un tiroir, le reste des tiroirs du même meuble se verrouillent pour réduire la possibilité de basculement, comprenant deux guides pour chaque tiroir et un ensemble de verrouillage pour chaque guide du tiroir, le guide comprenant un profilé étroit (2) fixé au tiroir et glissant dans un profilé large (1) fixé au meuble, dans lequel chacun de ces ensembles de verrouillage comprend :
    - deux butées (4, 5), une supérieure (4) et une inférieure (5),
    - un pivot (6) qui pivote dans une perforation (5,4) du bossage (5.3) de la butée inférieure (5), avec la partie frontale de ce pivot (6) sous forme de « C » conçue pour admettre, lorsqu'il tourne, l'entrée et le déplacement d'un embout (2.1) du profilé étroit a (2) associé au tiroir,
    - des barres (7) qui relient les butées (4,5) montées consécutivement en regard des ensembles de verrouillage;
    dans lesquelles uniquement les ensembles de verrouillage correspondant à un même tiroir peuvent permettre l'ouverture du tiroir en libérant les embouts (2.1) maintenant retenu le reste,
    - un ressort pour la récupération des deux butées (4, 5)
    caractérisé en ce que
    chacun de ces ensembles de verrouillage comprend :
    - un petit logement (3) comprenant deux guides verticaux latéraux (3.1) reliés par deux barres horizontales irrégulières (3.2), dont le profilé externe s'adapte à la forme de la face interne du profilé large (1) pour leur fixation ;
    - les deux butées (4,5) sont aménagées à l'intérieur du petit logement (3), en s'ajustant de manière serrée contre la face arrière du petit logement (3) et guidées verticalement par les deux guides latéraux (3.1) ;
    - l'embout (2,1) est fixé à la face interne sur le profilé étroit (2) du guide du tiroir,
    - le ressort est monté intérieurement dans un évidemment arrière (4.3) de la butée supérieure (4) qui repose sur sa face arrière dans un trou (3.5) de la barre supérieure horizontale irrégulière (3.2) du petit logement (3) qui pousse la butée supérieure (4) vers le bas et en poussant également la butée inférieure (5) pour la récupération des deux.
  2. Dispositif de verrouillage sélectif pour tiroirs à effet anti-basculement, selon la revendication 1, caractérisé en ce que la butée supérieure (4) et la butée inférieure (5) sont pourvue sur leur partie arrière d'embouts (3,3) ou de moyens de saillie qui reposent sur les faces des coupures dans le profilé large (1).
  3. Dispositif de verrouillage sélectif pour tiroirs à effet anti-basculement, selon la revendication 2, caractérisé en ce que la butée inférieure (5) présente un évidement sous forme d'arc (5.1) qui admet le logement du prolongement arrière de l'aile interne (6.1) du pivot (6) lorsqu'il tourne dans le sens contraire à celui des aiguille d'une montre; et le bossage supérieur (5.3) sur lequel est situé le pivot sous forme de C (6) comprend également un arrondi de son bord droit supérieur pour une meilleure entrée de l'embout de verrouillage (2.1), où également, dans sa partie inférieure il incorpore les moyens (5.2) de connexion avec la barre (7) qui relie le dispositif inférieur.
  4. Dispositif de verrouillage sélectif pour tiroirs à effet anti-basculement selon la revendication 3, caractérisé en ce que la butée supérieure (4), a un bossage frontal (4.2) qui permet son élévation aussi bien à l'entré qu'à la sortie de l'embout (2.1) du profilé étroit (2) du tiroir ayant sa face inférieure sous forme d'arc pour faciliter l'action de glissement ; et dans sa partie supérieure il incorpore les moyens (4.1) de connexion avec la barre (7) qui relie le dispositif supérieur; et dans la face arrière, il comprend également un évidemment centré et principalement vertical (4.3) pour loger le ressort de rappel de position
  5. Dispositif de verrouillage sélectif de tiroirs à effet anti-basculement, selon la revendication 4, caractérisé en ce que l'embout (2.1) a une telle longueur qu'il peut uniquement entrer en contact avec les bossages frontaux des butées (4, 5), c'est à dire, avec le bossage sous forme d'arc (4.2) de la butée supérieure (4), avec le bossage supérieur (5.3) de la butée inférieure (5) et avec le pivot (6) situé dans le bossage (5.3).
  6. Dispositif de verrouillage sélectif de tiroirs à effet anti-basculement, selon la revendication 5, caractérisé en ce que lors de la sortie du tiroir, l'embout (2.1) lève la butée supérieure (4) au moyen de son bossage (4.2) et pendant la sortie, le pivot (6) tourne dans le sens des aiguilles d'une montre jusqu'à ce que son aile (6.1) prolongée vers l'arrière se trouve dans une position verticale pour assurer la butée supérieure (4) qui a été soulevée ; les butées (4, 5) se trouvant alors l'une de l'autre à la séparation maximale, excepté lors du mouvement nécessaire de manière à éviter l'élévation de la butée inférieure et également la descente de la butée supérieure (4).
  7. Dispositif de verrouillage sélectif pour tiroirs à effet anti-basculement, selon la revendication 5, caractérisé en ce que l'entrée de l'embout (2.1) force la rotation du pivot (6) dans le sens des aiguilles d'une montre en pressant sur son aile (5.1) prolongée vers l'arrière, de telle manière que son aile (6.1) cesse de reposer sur la butée supérieure (4), et par conséquent, a lieu sa descente due à un manque de support, ou cela permet l'élévation de la butée inférieure (5).
  8. Dispositif de verrouillage sélectif pour tiroirs à effet anti-basculement, selon la revendication 6, caractérisé en ce que l'élévation de la butée (4) par la sortie du tiroir, lève toutes les butées inférieures (5) et les butées supérieures (4) orientées vers chaque ensemble de verrouillage monté par-dessus le tiroir qui est ouvert de telle manière que leurs embouts (2.1) sont alignés avec le pivot (6) auquel il correspond, de manière que cette dernière (5) évite leur sortie.
  9. Dispositif de verrouillage sélectif pour tiroirs à effet anti-basculement, selon la revendication 7, caractérisé en ce que lorsque la butée (4) ne peut pas s'élever parce qu'un tiroir supérieur est ouvert et que ses butées se trouvent à la séparation maximale, le bossage (4.2) évite la sortie de l'embout (2.1) et par conséquent l'extraction de son tiroir, et pour la même raison, sa butée inférieure (5) ne peut pas se lever non plus, en établissant de la sorte le verrouillage de tous les tiroirs aménagés plus bas.
  10. Dispositif de verrouillage sélectif de tiroirs à effet anti-basculement, selon la revendication 9, caractérisé en ce qu'au moyen d'une clé on évite l'élévation de la butée supérieure (4) de l'ensemble de verrouillage le plus haut, de manière à éviter l'extraction de tous les tiroirs.
EP02380046A 2002-02-27 2002-02-27 Dispositif de blocage sélectif de tiroirs avec protection contre le basculement Expired - Lifetime EP1340874B1 (fr)

Priority Applications (5)

Application Number Priority Date Filing Date Title
EP02380046A EP1340874B1 (fr) 2002-02-27 2002-02-27 Dispositif de blocage sélectif de tiroirs avec protection contre le basculement
AT02380046T ATE321180T1 (de) 2002-02-27 2002-02-27 Selektive sperrvorrichtung für schubladen mit umkippschutz
ES02380046T ES2258607T3 (es) 2002-02-27 2002-02-27 Dispositivo de bloqueo selectivo para cajones con efecto antivuelco.
PT02380046T PT1340874E (pt) 2002-02-27 2002-02-27 Dispositivo de bloqueio selectivo de gavetas com proteccao contra o movimento de queda
DE60210038T DE60210038T2 (de) 2002-02-27 2002-02-27 Selektive Sperrvorrichtung für Schubladen mit Kippschutz

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP02380046A EP1340874B1 (fr) 2002-02-27 2002-02-27 Dispositif de blocage sélectif de tiroirs avec protection contre le basculement

Publications (2)

Publication Number Publication Date
EP1340874A1 EP1340874A1 (fr) 2003-09-03
EP1340874B1 true EP1340874B1 (fr) 2006-03-22

Family

ID=27675786

Family Applications (1)

Application Number Title Priority Date Filing Date
EP02380046A Expired - Lifetime EP1340874B1 (fr) 2002-02-27 2002-02-27 Dispositif de blocage sélectif de tiroirs avec protection contre le basculement

Country Status (5)

Country Link
EP (1) EP1340874B1 (fr)
AT (1) ATE321180T1 (fr)
DE (1) DE60210038T2 (fr)
ES (1) ES2258607T3 (fr)
PT (1) PT1340874E (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1580368A1 (fr) * 2004-03-10 2005-09-28 Industrias Ragi, S.A. Système de blocage de tiroirs avec dispositif de protection contre le basculement
ES2298022B1 (es) * 2006-03-03 2009-07-21 Ojmar, S.A. Sistema de bloqueo, para archivadores modulares apilables.
US10470572B1 (en) * 2018-10-08 2019-11-12 Martas Precision Slide Co., Ltd. Locking device for slide rail

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2336394A (en) * 1998-04-03 1999-10-20 Ojmar Sa Locking device

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA1307022C (fr) * 1988-07-26 1992-09-01 Isy S. Pratzer Mecanisme antibasculement et methode connexe
US5056877A (en) * 1990-05-08 1991-10-15 Pundra Industries Limited Locking anti-tip device
US5352030A (en) * 1992-09-11 1994-10-04 Wolfgang Derle Anti-tip device
DE29711530U1 (de) * 1997-07-02 1997-09-04 BBP-Kunststoffwerk Marbach Baier GmbH und Co KG, 71672 Marbach Verschlußeinrichtung für Auszüge

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2336394A (en) * 1998-04-03 1999-10-20 Ojmar Sa Locking device

Also Published As

Publication number Publication date
EP1340874A1 (fr) 2003-09-03
DE60210038T2 (de) 2006-10-05
DE60210038D1 (de) 2006-05-11
PT1340874E (pt) 2006-07-31
ES2258607T3 (es) 2006-09-01
ATE321180T1 (de) 2006-04-15

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