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WO1996009782A1 - System for attaching a table top to a table or desk underframe, and table or desk provided therewith - Google Patents

System for attaching a table top to a table or desk underframe, and table or desk provided therewith Download PDF

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Publication number
WO1996009782A1
WO1996009782A1 PCT/FR1995/001243 FR9501243W WO9609782A1 WO 1996009782 A1 WO1996009782 A1 WO 1996009782A1 FR 9501243 W FR9501243 W FR 9501243W WO 9609782 A1 WO9609782 A1 WO 9609782A1
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WO
WIPO (PCT)
Prior art keywords
tongue
support
fastening
base
plate
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
Application number
PCT/FR1995/001243
Other languages
French (fr)
Inventor
Jacques Cathelineau
Rémy Jaffres
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.)
RONEO
Original Assignee
RONEO
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 RONEO filed Critical RONEO
Publication of WO1996009782A1 publication Critical patent/WO1996009782A1/en
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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Classifications

    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47B—TABLES; DESKS; OFFICE FURNITURE; CABINETS; DRAWERS; GENERAL DETAILS OF FURNITURE
    • A47B13/00—Details of tables or desks
    • A47B13/003—Connecting table tops to underframes

Definitions

  • the present invention relates to a system for fixing a tray to a table or desk base, in which the base is constituted by a set of feet joined by crosspieces, the fixing system being of the type comprising several attachment devices. to fix the tray at several points on the crossbars of the base.
  • the fixing of the tray to the base by means of wood screws has the particular disadvantage of having poor mechanical strength and a risk of deterioration of the tray if the mounting operations are not carried out by a professional.
  • the fixing of the plate on the base by means of inserts and machine screws has the particular disadvantage of not facilitating the dismantling operations due to the poor mechanical strength of the inserts when unscrewing.
  • the assembly and disassembly operations are relatively long, it is necessary to use an appropriate tool and also perform very precise drilling operations for the passage of the screws.
  • ball fixing systems made up of two parts.
  • a male part is screwed onto the plate by means of an insert, and a female part is fixed to a crosspiece of the base.
  • the male part rotates the female part when the tray is positioned on the base, knowing that the shape of the female part prevents a pivoting movement in the opposite direction.
  • the tightening obtained by such a device is not effective and it corresponds more to a positioning of the plate on the base.
  • disassembly of the plate requires the use of a special tool or a complete disassembly of the fixing system.
  • the object of the invention is to overcome all of the aforementioned drawbacks of previous fastening systems while providing other advantages.
  • the invention provides a system for fixing a tray to a table or desk base, in which the base is constituted by a set of feet joined by crosspieces, the fixing system being of the type comprising several fastening devices for fixing the tray at several points on the crosspieces of the base, fastening system which is characterized in that each fastening device comprises a flexible tongue, one end of which is secured to a support intended to be fixed to the tray , and a clamping device of the other free end of the tongue in the support of the fastening device, once the tongue passed around a cross member of the base, the clamping device being actuated manually and without having to use a tool.
  • the device for clamping the tongue around a cross member of the base comprises a first series of teeth inclined projecting from one face of the tongue and towards the free end of the latter, and a second series of inclined teeth formed in a receiving means provided in the support of each attachment device, these two series of teeth being intended to nest into each other once the end. free of the tongue manually engaged in the receiving means to tighten the tongue around the cross member with an adjustable clamping force.
  • the means for receiving the free end of the tongue can be formed by a channel passing through the support of each fastening device and, according to a preferred embodiment of the invention, this means of reception is formed by a cavity in said support.
  • the free end of the tongue ends in a flexible tab intended to be engaged more or less and removably in the cavity of the support of the fastening device.
  • the flexible tab provided towards the free end of the tongue has a U-shape delimiting two sides facing each other which are joined by a curved part intended to be engaged in the cavity of the support of the fastening device, this tab being directly formed by deformation of the free end of the tongue.
  • each attachment device is fixed to the underside of the plate by means of a screw for example, this assembly being advantageously carried out in the factory.
  • Each fastening device is made of plastic, and the support of each fastening device and the associated tongue have come from molding to form only one piece according to a preferred embodiment.
  • the support of each fastening device and the tongue form two separate parts, and the fixing of the tongue is then obtained by wedging its end opposite to the clamping tab between the support and the underside of the plate when the fastening device is fixed to the plate.
  • the material of the. support of each fastening device can be more rigid than that of the tongue.
  • Such a fastening system has numerous advantages both in terms of its manufacture and in terms of the operations which are necessary for mounting and dismounting the plate.
  • each attachment device of the fixing system does not require any machining after the molding operations, this simplifies the manufacturing operations while reducing the production costs.
  • the assembly and disassembly operations are simple, quick and do not require the use of any particular tool, which allows the customer to be able to carry out these operations himself and without risk of damaging the various components of the fastening system. .
  • FIG. 1 is a perspective view to illustrate the principle of the system for fixing a tray to a base according to the invention, this system consisting of several attachment devices
  • - Figure 2 is a perspective view of one of the fastening devices of the fixing system
  • FIGS. 3 and 4 are schematic views in principle to illustrate the mounting of a fastening device of the fixing system on the plate
  • FIG. 5 is a view in principle to illustrate the mounting in progress of a fastening device on a cross member of the table or desk base
  • FIG. 6 is a view according to arrow VI in FIG. 5, and
  • FIG. 7 is a schematic view of a fastening device at the end of its mounting operation.
  • the fixing system according to the invention is intended to ensure the mounting of a tray 1 on a base of a table or a desk.
  • the base 3 is constituted by a set of feet 5 joined by crosspieces 6.
  • the crosspieces 6 delimit a rectangular frame and a foot 5 is provided at each corner of this frame.
  • One end of each foot is secured to the frame formed by the crosspieces 6, while the other end of each foot 5 is intended to rest on a bearing surface such as the ground.
  • the fixing system comprises several devices 10 for attaching the plate 1 to the crosspieces 6, once the plate 1 is attached to the frame formed by the crosspieces 6.
  • each fastening device 10 comprises a flexible tongue 12, one end 12a of which is secured to a support 14 intended to be fixed to the plate 1, and a clamping device 15 for clamping the other free end 12b of the tongue 12 in the support 14, once the tongue 12 has passed around a cross member 6 of the base 3.
  • the clamping device 15 comprises a first series of inclined teeth 16 projecting from one side of the tongue 12 and towards the free end thereof, and a series of inclined teeth 18 formed in a receiving means provided in the support 14.
  • This receiving means is for example constituted by a cavity 20, and the free end 12b of the tongue 12 ends in a flexible tab 22 intended to be removably engaged in the cavity 20, so that the teeth 16 and 18 can be nested one inside the other and lock the tongue 12 in position.
  • the flexible tab 22 has a U shape which delimits two sides 22a and 22b substantially opposite one another and joined to one another by a curved part 22c.
  • This tab 22 is directly formed by deformation of the free end 12b of the tongue 12. This deformation is obtained from an elbow 24 substantially 90 ′, the part of the tongue 12 located beyond this elbow 24 being then partially folded back to form the tab 22.
  • the inclined teeth 16 of the tongue 12, which form part of the clamping device 15, are provided on the external face of the side 22b of the tab 22.
  • the support 14 of each attachment device 10 generally has the shape of a rectangular parallelepiped, in which there are in particular two opposite main faces which bear the references 14a and 14b, and four lateral faces, two of which opposite side faces which bear the references 14c and 14d.
  • the end 12a of the tongue 12 is tangentially connected to the lateral face 14c of the body 14 of the fastening device 10, and the cavity 20 for receiving the tab 22 of the tongue 12 is formed. in the opposite lateral face 14d of the support 14.
  • each support 14 of a fastening device 10 is intended to be fixed on the underside or face of the bottom of the plate 1.
  • This fixing is achieved by means of a device essentially constituted by a screw 30 comprising a threaded rod 31, a shoulder 32 and a hollow head 36 with a hexagon, and by an annular insert 40 mounted in a blind hole 41 formed in the underside of the plate 1 to receive the threaded rod 31
  • This insert 40 can advantageously be mounted by screwing into the blind hole 41.
  • each fastening device 10 is pierced with a central orifice 42 which opens onto the two opposite main faces 14a and 14b of the support.
  • a lateral notch 44 is provided on the main face 14a of the support 14 and opens into the central orifice 42. This notch 44 makes it possible to align the screw 30 along the axis of the central orifice 35 and the axis of a insert 40, and to retain it axially at its shoulder 32.
  • a hexagon key C engaged in the central orifice 42 up to the hollow head 36 of the screw 30 we proceed to the fixing the support 14 of each fastening device 10 on the underside of the plate 1.
  • each support 14 is planar and intended to come into contact with the face below the plate 1, while the opposite main face 14b of each support 14 has a shape combined with the cross-sectional shape of the sleepers 6
  • each crosspiece has a circular cross section, so that the main face 14b of each support 14 has a rounded shape along a radius of curvature substantially equal to the radius of the cross member 6.
  • the main face 14a of each support comprises a positioning pin 45 intended to engage in a blind hole 46 formed on the face below the plate 1. This pin 45 makes it possible to correctly orient each fastening device so that its main face 14d partially conforms to the shape of a cross-member 6.
  • the attachment devices 10 of a system for fixing a plate 1 to a base 3 are factory mounted on the underside of the plate 1.
  • an insert 40 is mounted in each blind hole 41 previously drilled in the underside of the plate 1.
  • the position of the blind holes 41 is predetermined in advance according to the number of fastening devices 10 to be used, the dimensions of the frame formed by the crosspieces 6 of the base 3 and dimensions of the plate 1.
  • the support 14 of each fastening device 10 is fixed on the underside of the plate 1 by means of the screw 30 screwed into the insert 40 associated ( Figures 3 and 4 ).
  • the tray 1, equipped with the fastening devices 10, and the associated base in order to form a table or a desk for example, can be sold to users without adding any tools and / or complementary parts to then allow these users to carry out the operations of mounting the plate 1 on the frame ent 3.
  • the user places the plate 1 on the base 3 so that the curved face 14b of each fastening device 10 comes to bear on a cross member 6. Then, the use grips the tongue 12 of each fastening device 10 to pass it around the cross member 6 and grasps the flexible tab 22 to push it and partially engage it in the cavity 20 of the support 14.
  • the tab 22 is automatically retained as a result of the cooperation between the two sets of teeth 16 and 18, but the tightening is sufficiently loose to allow the use to adjust the position of the plate 1 by sliding it along the crosspieces 6.
  • the user ensures final tightening by further engaging each tab 22 in the associated receiving cavity 20 (FIG. 7).
  • each tab 22 is sufficient to extract each tab 22 from its receiving cavity by deforming each flexible tab 22 to remove the coupling between the teeth 16 and 18, and thus allow the tabs 22 to be removed.
  • the support 14 of each fastening device 10 and the tongue 12 can form two separate parts which are molded.
  • the free end 12a of the tongue 12 is secured to the support 14 during the operation of fixing the latter on the face below the of the plate 1.
  • This joining is for example obtained by wedging the free end 12a of the tongue 12 between the support 14 and the underside of the plate 1.

Landscapes

  • Connection Of Plates (AREA)
  • Tables And Desks Characterized By Structural Shape (AREA)

Abstract

A system for attaching a table top to a table or desk underframe, wherein the underframe consists of a set of legs interconnected by crossbars (6). The system includes a number of fasteners (10) for attaching the table top (1) to the crossbars (6) of the underframe (3) in several places. Each fastener (10) includes a flexible tab (12) with one end (12a) secured to a holder (14) connectable to the table top (1), and a clamp (15) for clamping the free opposite end (12b) of the tab (12) within the fastener holder (14) once the tab (12) has been passed around one of the underframe crossbars, said clamp (15) being manually actuatable without using a tool.

Description

SYSTEME DE FIXATION D'UN PLATEAU SUR UN PIETEMENT DE TABLE OU DE BUREAU, ET TABLE OU BUREAU EQUIPE D'UN TEL SYSTEME DE FIXATIONSYSTEM FOR FIXING A TRAY ONTO A TABLE OR OFFICE BASE, AND TABLE OR OFFICE EQUIPPED WITH SUCH A FIXING SYSTEM

La présente invention concerne un système de fixation d'un plateau sur un piètement de table ou de bureau, dans lequel le piètement est constitué par un ensemble de pieds réunis par des traverses, le système de fixation étant du type comprenant plusieurs dispositifs d'attache pour fixer en plusieurs points le plateau sur les traverses du piètement.The present invention relates to a system for fixing a tray to a table or desk base, in which the base is constituted by a set of feet joined by crosspieces, the fixing system being of the type comprising several attachment devices. to fix the tray at several points on the crossbars of the base.

D'une manière générale, il existe sur le marché plusieurs types de systèmes de fixation pour monter un plateau sur un piètement. Parmi ces systèmes, on peut notamment citer ceux gui sont basés sur l'utilisation de vis à bois ou d'inserts avec des vis à métaux.Generally, there are several types of fastening systems on the market for mounting a tray on a base. Among these systems, mention may in particular be made of those which are based on the use of wood screws or of inserts with metal screws.

La fixation du plateau sur le piètement au moyen de vis à bois, a notamment pour inconvénient de présenter une faible tenue mécanique et un risque de détérioration du plateau si les opérations de montage ne sont pas réalisées par un professionnel. En outre, il faut avoir recours à un outillage particulier et réaliser des opérations de perçage dans le plateau et le piètement pour le passage des vis, sachant que la position des trous doit être définie avec une très grande précision. La fixation du plateau sur le piètement au moyen d'inserts et de vis à métaux, a notamment pour inconvénient de ne pas faciliter les opérations de démontage du fait de la faible tenue mécanique des inserts au dévissage. En outre, les opérations de montage et de démontage sont relativement longues, il faut avoir recours à un outillage approprié et réaliser également des opérations de perçage très précises pour le passage des vis.The fixing of the tray to the base by means of wood screws, has the particular disadvantage of having poor mechanical strength and a risk of deterioration of the tray if the mounting operations are not carried out by a professional. In addition, it is necessary to have recourse to a particular tool and to carry out drilling operations in the plate and the base for the passage of the screws, knowing that the position of the holes must be defined with very great precision. The fixing of the plate on the base by means of inserts and machine screws, has the particular disadvantage of not facilitating the dismantling operations due to the poor mechanical strength of the inserts when unscrewing. In addition, the assembly and disassembly operations are relatively long, it is necessary to use an appropriate tool and also perform very precise drilling operations for the passage of the screws.

Enfin, on peut également citer des systèmes de fixation à boule constitués en deux parties. Une partie mâle est vissée sur le plateau au moyen d'un insert, et une partie femelle est fixée sur une traverse du piètement. La partie mâle fait pivoter la partie femelle lors de la mise en position du plateau sur le piètement, sachant que la forme de la partie femelle empêche un mouvement pivotant en sens inverse. Concrètement, le serrage obtenu par un tel dispositif n'est pas effectif et il correspond plus à une mise en position du plateau sur le piètement. En outre, le démontage du plateau nécessite d'avoir recours à un outil spécial ou de procéder à un démontage complet du système de fixation. En outre, il faut avoir une très bonne précision relative entre les parties mâle et femelle pour qu'elles puissent s'engager l'une dans l'autre, et il faut également réaliser des opérations de perçage très précises pour le passage des vis nécessaires à la fixation des parties mâle et femelle. Le but de l'invention est de pallier l'ensemble des inconvénients précités des systèmes de fixation antérieurs tout en procurant d'autres avantages.Finally, we can also cite ball fixing systems made up of two parts. A male part is screwed onto the plate by means of an insert, and a female part is fixed to a crosspiece of the base. The male part rotates the female part when the tray is positioned on the base, knowing that the shape of the female part prevents a pivoting movement in the opposite direction. Concretely, the tightening obtained by such a device is not effective and it corresponds more to a positioning of the plate on the base. In addition, disassembly of the plate requires the use of a special tool or a complete disassembly of the fixing system. In addition, it is necessary to have a very good relative precision between the male and female parts so that they can engage one in the other, and it is also necessary to carry out very precise drilling operations for the passage of the necessary screws. fixing the male and female parts. The object of the invention is to overcome all of the aforementioned drawbacks of previous fastening systems while providing other advantages.

A cet effet, l'invention propose un système de fixation d'un plateau sur un piètement de table ou de bureau, dans lequel le piètement est constitué par un ensemble de pieds réunis par des traverses, le système de fixation étant du type comprenant plusieurs dispositifs d'attache pour fixer en plusieurs points le plateau sur les traverses du piètement, système de fixation qui est caractérisé en ce que chaque dispositif d'attache comprend un languette souple, dont une extrémité est solidarisée à un support destiné à être fixé au plateau, et un dispositif de serrage de l'autre extrémité libre de la languette dans le support du dispositif d'attache, une fois la languette passée autour d'une traverse du piètement, le dispositif de serrage étant actionné manuellement et sans avoir recours à un outil.To this end, the invention provides a system for fixing a tray to a table or desk base, in which the base is constituted by a set of feet joined by crosspieces, the fixing system being of the type comprising several fastening devices for fixing the tray at several points on the crosspieces of the base, fastening system which is characterized in that each fastening device comprises a flexible tongue, one end of which is secured to a support intended to be fixed to the tray , and a clamping device of the other free end of the tongue in the support of the fastening device, once the tongue passed around a cross member of the base, the clamping device being actuated manually and without having to use a tool.

D'une manière générale, le dispositif de serrage de la languette autour d'une traverse du piètement comprend une première série de dents inclinées en saillie sur une face de la languette et vers l'extrémité libre de celle-ci, et une seconde série de dents inclinées ménagées dans un moyen de réception prévu dans le support de chaque dispositif d'attache, ces deux séries de dents étant destinées à s'imbriquer les unes dans les autres une fois l'extrémité .libre de la languette engagée manuellement dans le moyen de réception pour serrer la languette autour de la traverse avec une force de serrage réglable.In general, the device for clamping the tongue around a cross member of the base comprises a first series of teeth inclined projecting from one face of the tongue and towards the free end of the latter, and a second series of inclined teeth formed in a receiving means provided in the support of each attachment device, these two series of teeth being intended to nest into each other once the end. free of the tongue manually engaged in the receiving means to tighten the tongue around the cross member with an adjustable clamping force.

Le moyen de réception de l'extrémité libre de la languette peut être formé par un canal traversant le support de chaque dispositif d'attache et, selon un mode de réalisation préférentiel de l'invention, ce moyen de réception est formé par une cavité ménagée dans ledit support.The means for receiving the free end of the tongue can be formed by a channel passing through the support of each fastening device and, according to a preferred embodiment of the invention, this means of reception is formed by a cavity in said support.

Selon ce mode de réalisation préférentiel, l'extrémité libre de la languette se termine par une patte flexible destinée à être engagée plus ou moins et de manière amovible dans la cavité du support du dispositif d'attache.According to this preferred embodiment, the free end of the tongue ends in a flexible tab intended to be engaged more or less and removably in the cavity of the support of the fastening device.

La patte flexible prévue vers l'extrémité libre de la languette a une forme de U délimitant deux côtés en vis-à-vis l'un de l'autre qui sont réunis par une partie courbe destinée à être engagée dans la cavité du support du dispositif d'attache, cette patte étant directement formée par déformation de l'extrémité libre de la languette.The flexible tab provided towards the free end of the tongue has a U-shape delimiting two sides facing each other which are joined by a curved part intended to be engaged in the cavity of the support of the fastening device, this tab being directly formed by deformation of the free end of the tongue.

D'une manière générale, le support de chaque dispositif d'attache est fixé sur la face de dessous du plateau au moyen d'une vis par exemple, cet assemblage étant avantageusement réalisé en usine. Chaque dispositif d'attache est fabriqué en matière plastique, et le support de chaque dispositif d'attache et la languette associée sont venus de moulage pour ne constituer qu'une seule pièce selon un mode préférentiel de réalisation. En variante, le support de chaque dispositif d'attache et la languette forment deux pièces distinctes, et la fixation de la languette est alors obtenue en coinçant son extrémité opposée à la patte de serrage entre le support et la face de dessous du plateau lorsque le dispositif d'attache est fixé au plateau. Dans ce cas, le matériau du . support de chaque dispositif d'attache peut être plus rigide que celui de la languette.In general, the support of each attachment device is fixed to the underside of the plate by means of a screw for example, this assembly being advantageously carried out in the factory. Each fastening device is made of plastic, and the support of each fastening device and the associated tongue have come from molding to form only one piece according to a preferred embodiment. As a variant, the support of each fastening device and the tongue form two separate parts, and the fixing of the tongue is then obtained by wedging its end opposite to the clamping tab between the support and the underside of the plate when the fastening device is fixed to the plate. In this case, the material of the. support of each fastening device can be more rigid than that of the tongue.

Un tel système de fixation présente de nombreux avantages tant sur le plan de sa fabrication que sur le plan des opérations qui sont nécessaires pour procéder au montage et au démontage du plateau.Such a fastening system has numerous advantages both in terms of its manufacture and in terms of the operations which are necessary for mounting and dismounting the plate.

En effet, comme chaque dispositif d'attache du système de fixation ne nécessite aucun usinage après les opérations de moulage, cela simplifie les opérations de fabrication tout en réduisant les coûts de production. Les opérations de montage et de démontage sont simples, rapides et ne nécessitent pas le recours à un outillage particulier, ce qui permet au client de pouvoir procéder lui-même à ces opérations et sans risque de détériorer les différents éléments constitutifs du système d'attache.In fact, since each attachment device of the fixing system does not require any machining after the molding operations, this simplifies the manufacturing operations while reducing the production costs. The assembly and disassembly operations are simple, quick and do not require the use of any particular tool, which allows the customer to be able to carry out these operations himself and without risk of damaging the various components of the fastening system. .

Le recours à une languette souple permet également de pouvoir compenser des variations de diamètre au niveau des traverses du piètement.The use of a flexible tongue also makes it possible to be able to compensate for variations in diameter at the crossbars of the base.

En outre, il est possible au cours des opérations de montage de pouvoir facilement régler la position du plateau en le faisant glisser sur les traverses du piètement, ce qui favorise notamment un ajustement précis dans le cas d'un plateau constitué de plusieurs éléments montés en ligne ou en angle avec une esthétique d'ensemble nettement améliorée.In addition, it is possible during assembly operations to be able to easily adjust the position of the plate by sliding it on the crosspieces of the base, which in particular promotes a precise adjustment in the case of a plate made up of several elements mounted in line or angle with a clearly improved overall aesthetic.

D'autres avantages, caractéristiques et détails de l'invention ressortiront de la description explicative qui va suivre faite en référence aux dessins annexés, donnés uniquement à titre d'exemple et dans lesquels : - la figure 1 est une vue en perspective pour illustrer le principe du système de fixation d'un plateau sur un piètement selon l'invention, ce système étant constitué de plusieurs dispositifs d'attache, - la figure 2 est une vue en perspective de l'un des dispositifs d'attache du système de fixation, les figures 3 et 4 sont des vues schématiques de principe pour illustrer le montage d'un dispositif d'attache du système de fixation sur le plateau,Other advantages, characteristics and details of the invention will emerge from the explanatory description which follows, given with reference to the appended drawings, given solely by way of example and in which: - Figure 1 is a perspective view to illustrate the principle of the system for fixing a tray to a base according to the invention, this system consisting of several attachment devices, - Figure 2 is a perspective view of one of the fastening devices of the fixing system, FIGS. 3 and 4 are schematic views in principle to illustrate the mounting of a fastening device of the fixing system on the plate,

- la figure 5 est une vue de principe pour illustrer le montage en cours d'un dispositif d'attache sur une traverse du piètement de table ou de bureau,FIG. 5 is a view in principle to illustrate the mounting in progress of a fastening device on a cross member of the table or desk base,

- la figure 6 est une vue selon la flèche VI de la figure 5, etFIG. 6 is a view according to arrow VI in FIG. 5, and

- la figure 7 est une vue schématique d'un dispositif d'attache à la fin de son opération de montage.- Figure 7 is a schematic view of a fastening device at the end of its mounting operation.

Le système de fixation selon l'invention est destiné à assurer le montage d'un plateau 1 sur un piètement d'une table ou d'un bureau. Sur le mode de réalisation illustré sur la figure 1, le piètement 3 est constitué par un ensemble de pieds 5 réunis par des traverses 6. Dans cet exemple, les traverses 6 délimitent un cadre rectangulaire et un pied 5 est prévu à chaque coin de ce cadre. Une extrémité de chaque pied est solidaire du cadre formé par les traverses 6, alors que l'autre extrémité de chaque pied 5 est destinée à reposer sur une surface d'appui telle que le sol.The fixing system according to the invention is intended to ensure the mounting of a tray 1 on a base of a table or a desk. In the embodiment illustrated in FIG. 1, the base 3 is constituted by a set of feet 5 joined by crosspieces 6. In this example, the crosspieces 6 delimit a rectangular frame and a foot 5 is provided at each corner of this frame. One end of each foot is secured to the frame formed by the crosspieces 6, while the other end of each foot 5 is intended to rest on a bearing surface such as the ground.

Le système de fixation comprend plusieurs dispositifs d'attache 10 du plateau 1 sur les traverses 6, une fois le plateau 1 rapporté sur le cadre formé par les traverses 6.The fixing system comprises several devices 10 for attaching the plate 1 to the crosspieces 6, once the plate 1 is attached to the frame formed by the crosspieces 6.

En se reportant notamment aux figures 2 et 3, chaque dispositif d'attache 10 comprend une languette souple 12, dont une extrémité 12a est solidaire d'un support 14 destiné à être fixé au plateau 1, et un dispositif de serrage 15 pour serrer l'autre extrémité libre 12b de la languette 12 dans le support 14, une fois la languette 12 passée autour d'une traverse 6 du piètement 3. Le dispositif de serrage 15 comprend une première série de dents inclinées 16 en saillie sur une face de la languette 12 et vers l'extrémité libre de celle-ci, et une série de dents inclinées 18 ménagées dans un moyen de réception prévu dans le support 14. Ce moyen de réception est par exemple constitué par une cavité 20, et l'extrémité libre 12b de la languette 12 se termine par une patte flexible 22 destinée à être engagée de manière amovible dans la cavité 20, de manière à ce que les dents 16 et 18 puissent s ' imbriquer les unes dans les autres et bloquer en position la languette 12.With particular reference to Figures 2 and 3, each fastening device 10 comprises a flexible tongue 12, one end 12a of which is secured to a support 14 intended to be fixed to the plate 1, and a clamping device 15 for clamping the other free end 12b of the tongue 12 in the support 14, once the tongue 12 has passed around a cross member 6 of the base 3. The clamping device 15 comprises a first series of inclined teeth 16 projecting from one side of the tongue 12 and towards the free end thereof, and a series of inclined teeth 18 formed in a receiving means provided in the support 14. This receiving means is for example constituted by a cavity 20, and the free end 12b of the tongue 12 ends in a flexible tab 22 intended to be removably engaged in the cavity 20, so that the teeth 16 and 18 can be nested one inside the other and lock the tongue 12 in position.

La patte flexible 22 a une forme en U qui délimite deux côtés 22a et 22b sensiblement en vis-à-vis l'un de l'autre et réunis l'un à l'autre par une partie courbe 22c. Cette patte 22 est directement formée par déformation de l'extrémité libre 12b de la languette 12. Cette déformation est obtenue à partir d'un coude 24 sensiblement à 90', la partie de la languette 12 située au-delà de ce coude 24 étant ensuite partiellement repliée pour former la patte 22. Les dents inclinées 16 de la languette 12, qui forment une partie du dispositif de serrage 15, sont prévues sur la face externe du côté 22b de la patte 22.The flexible tab 22 has a U shape which delimits two sides 22a and 22b substantially opposite one another and joined to one another by a curved part 22c. This tab 22 is directly formed by deformation of the free end 12b of the tongue 12. This deformation is obtained from an elbow 24 substantially 90 ′, the part of the tongue 12 located beyond this elbow 24 being then partially folded back to form the tab 22. The inclined teeth 16 of the tongue 12, which form part of the clamping device 15, are provided on the external face of the side 22b of the tab 22.

D'une manière générale, le support 14 de chaque dispositif d'attache 10 a globalement la forme d'un parallélépipède rectangle, dans lequel on distinguera notamment deux faces principales opposées qui portent les références 14a et 14b, et quatre faces latérales, dont deux faces latérales opposées qui portent les références 14c et 14d. Concrètement, l'extrémité 12a de la languette 12 se raccorde tangentiellement à la face latérale 14c du corps 14 du dispositif d'attache 10, et la cavité 20 de réception de la patte 22 de la languette 12 est formée . dans la face latérale opposée 14d du support 14.In general, the support 14 of each attachment device 10 generally has the shape of a rectangular parallelepiped, in which there are in particular two opposite main faces which bear the references 14a and 14b, and four lateral faces, two of which opposite side faces which bear the references 14c and 14d. Concretely, the end 12a of the tongue 12 is tangentially connected to the lateral face 14c of the body 14 of the fastening device 10, and the cavity 20 for receiving the tab 22 of the tongue 12 is formed. in the opposite lateral face 14d of the support 14.

En se reportant aux figures 3 et 4, chaque support 14 d'un dispositif d'attache 10 est destiné à être fixé sur la face inférieure ou face de dessous la du plateau 1. Cette fixation est réalisée au moyen d'un dispositif essentiellement constitué par une vis 30 comportant une tige filetée 31, un épaulement 32 et une tête creuse 36 à six pans, et par un insert annulaire 40 monté dans un trou borgne 41 ménagé dans la face de dessous la du plateau 1 pour recevoir la tige filetée 31. Cet insert 40 peut être avantageusement monté par vissage dans le trou borgne 41.Referring to Figures 3 and 4, each support 14 of a fastening device 10 is intended to be fixed on the underside or face of the bottom of the plate 1. This fixing is achieved by means of a device essentially constituted by a screw 30 comprising a threaded rod 31, a shoulder 32 and a hollow head 36 with a hexagon, and by an annular insert 40 mounted in a blind hole 41 formed in the underside of the plate 1 to receive the threaded rod 31 This insert 40 can advantageously be mounted by screwing into the blind hole 41.

A cet effet, le support 14 de chaque dispositif d'attache 10 est percé d'un orifice central 42 qui débouche sur les deux faces principales opposées 14a et 14b du support. Une encoche latérale 44 est prévue sur la face principale 14a du support 14 et débouche dans l'orifice central 42. Cette encoche 44 permet d'aligner la vis 30 suivant l'axe de l'orifice central 35 et l'axe d'un insert 40, et de la retenir axialement au niveau de son épaulement 32. Ensuite, au moyen d'une clé C à six pans engagée dans l'orifice central 42 jusqu'à la tête creuse 36 de la vis 30, on procède à la fixation du support 14 de chaque dispositif d'attache 10 sur la face de dessous du plateau 1.To this end, the support 14 of each fastening device 10 is pierced with a central orifice 42 which opens onto the two opposite main faces 14a and 14b of the support. A lateral notch 44 is provided on the main face 14a of the support 14 and opens into the central orifice 42. This notch 44 makes it possible to align the screw 30 along the axis of the central orifice 35 and the axis of a insert 40, and to retain it axially at its shoulder 32. Then, by means of a hexagon key C engaged in the central orifice 42 up to the hollow head 36 of the screw 30, we proceed to the fixing the support 14 of each fastening device 10 on the underside of the plate 1.

La face principale 14a de chaque support 14 est plane et destinée à venir au contact de la face de dessous la du plateau 1, alors que la face principale opposée 14b de chaque support 14 présente une forme conjuguée de la forme en section droite des traverses 6. Dans l'exemple illustré sur les figures, chaque traverse a une section droite circulaire, de sorte que la face principale 14b de chaque support 14 présente une forme arrondie suivant un rayon de courbure sensiblement égal au rayon de la traverse 6. Pour obtenir un positionnement correct de chaque dispositif d'attache 10 par rapport à une traverse 6, la face principale 14a de chaque support comporte un pion de positionnement 45 destiné à s'engager dans un trou borgne 46 ménagé sur la face de dessous la du plateau 1. Ce pion 45 permet d'orienter correctement chaque dispositif d'attache de manière à ce que sa face principale 14d vienne épouser partiellement la forme d'une traverse 6.The main face 14a of each support 14 is planar and intended to come into contact with the face below the plate 1, while the opposite main face 14b of each support 14 has a shape combined with the cross-sectional shape of the sleepers 6 In the example illustrated in the figures, each crosspiece has a circular cross section, so that the main face 14b of each support 14 has a rounded shape along a radius of curvature substantially equal to the radius of the cross member 6. To obtain correct positioning of each fastening device 10 relative to a cross 6, the main face 14a of each support comprises a positioning pin 45 intended to engage in a blind hole 46 formed on the face below the plate 1. This pin 45 makes it possible to correctly orient each fastening device so that its main face 14d partially conforms to the shape of a cross-member 6.

Concrètement, les dispositifs d'attache 10 d'un système de fixation d'un plateau 1 sur un piètement 3 sont montés en usine sur la face de dessous la du plateau 1. Au cours de cette opération, un insert 40 est monté dans chaque trou borgne 41 préalablement percé dans la face de dessous la du plateau 1. La position des trous borgnes 41 est prédéterminée à l'avance en fonction du nombre de dispositifs d'attache 10 à utiliser, des dimensions du cadre formé par les traverses 6 du piètement 3 et des dimensions du plateau 1. Ensuite, le support 14 de chaque dispositif d'attache 10 est fixé sur la face de dessous la du plateau 1 au moyen de la vis 30 vissée dans l'insert 40 associé (figures 3 et 4).Concretely, the attachment devices 10 of a system for fixing a plate 1 to a base 3 are factory mounted on the underside of the plate 1. During this operation, an insert 40 is mounted in each blind hole 41 previously drilled in the underside of the plate 1. The position of the blind holes 41 is predetermined in advance according to the number of fastening devices 10 to be used, the dimensions of the frame formed by the crosspieces 6 of the base 3 and dimensions of the plate 1. Then, the support 14 of each fastening device 10 is fixed on the underside of the plate 1 by means of the screw 30 screwed into the insert 40 associated (Figures 3 and 4 ).

Le plateau 1, équipé des dispositifs d'attache 10, et le piètement associé en vue de former une table ou un bureau par exemple, peuvent être vendus aux utilisateurs sans y ajouter un quelconque outillage et/ou des pièces complémentaires pour permettre ensuite à ces utilisateurs de procéder aux opérations de montage du plateau 1 sur le piètente ent 3.The tray 1, equipped with the fastening devices 10, and the associated base in order to form a table or a desk for example, can be sold to users without adding any tools and / or complementary parts to then allow these users to carry out the operations of mounting the plate 1 on the frame ent 3.

Au montage, l'utilisateur pose le plateau 1 sur le piètement 3 de manière à ce que la face courbe 14b de chaque dispositif d'attache 10 vienne en appui sur une traverse 6. Ensuite, l'utilisation saisit la languette 12 de chaque dispositif d'attache 10 pour la faire passer autour de la traverse 6 et saisit la patte flexible 22 pour la pousser et l'engager partiellement dans la cavité 20 du support 14. La patte 22 est automatiquement retenue par suite de la coopération entre les deux séries de dents 16 et 18, mais le serrage est suffisamment lâche pour permettre à l'utilisation de régler la position du plateau 1 en le faisant glisser le long des traverses 6. Enfin, lorsque le positionnement correct du plateau 1 est obtenu, l'utilisateur assure le serrage définitif en engageant plus avant chaque patte 22 dans la cavité de réception 20 associée (figure 7) .During assembly, the user places the plate 1 on the base 3 so that the curved face 14b of each fastening device 10 comes to bear on a cross member 6. Then, the use grips the tongue 12 of each fastening device 10 to pass it around the cross member 6 and grasps the flexible tab 22 to push it and partially engage it in the cavity 20 of the support 14. The tab 22 is automatically retained as a result of the cooperation between the two sets of teeth 16 and 18, but the tightening is sufficiently loose to allow the use to adjust the position of the plate 1 by sliding it along the crosspieces 6. Finally, when the correct positioning of the plate 1 is obtained, the user ensures final tightening by further engaging each tab 22 in the associated receiving cavity 20 (FIG. 7).

Pour procéder au démontage du plateau 1, il suffit d'extraire chaque patte 22 de sa cavité de réception en déformant chaque patte flexible 22 pour supprimer l'accouplement entre les dents 16 et 18, et permettre ainsi le retrait des pattes 22.To disassemble the plate 1, it is sufficient to extract each tab 22 from its receiving cavity by deforming each flexible tab 22 to remove the coupling between the teeth 16 and 18, and thus allow the tabs 22 to be removed.

En variante, le support 14 de chaque dispositif d'attache 10 et la languette 12 peuvent former deux pièces distinctes venues de moulage. Dans ce cas, l'extrémité libre 12a de la languette 12 est solidarisée au support 14 lors de l'opération de fixation de ce dernier sur la face de dessous la du plateau 1. Cette solidarisation est par exemple obtenue en coinçant 1'extrémité libre 12a de la languette 12 entre le support 14 et la face de dessous la du plateau 1. Cette solution est avantageuse car elle permet d'éviter l'utilisation d'un moyen de fixation complémentaire. As a variant, the support 14 of each fastening device 10 and the tongue 12 can form two separate parts which are molded. In this case, the free end 12a of the tongue 12 is secured to the support 14 during the operation of fixing the latter on the face below the of the plate 1. This joining is for example obtained by wedging the free end 12a of the tongue 12 between the support 14 and the underside of the plate 1. This solution is advantageous because it avoids the use of a complementary fixing means.

Claims

REVENDICATIONS 1. Système de fixation d'un plateau (1) sur un piètement (3) de table ou de bureau, dans lequel le piètement (3) est constitué par un ensemble de pieds (5) réunis par des traverses (6) , le système de fixation étant du type comprenant plusieurs dispositifs d'attache (10) pour fixer en plusieurs points le plateau (1) sur les traverses (6) du piètement (3), chaque dispositif d'attache (10) comprenant une languette souple (12), destinée à passer autour d'une traverse (6) du piètement (3), caractérisé en ce qu'une extrémité libre de la languette (12) est solidaire d'un support (14) destiné à être fixé au plateau (1), et en ce que l'autre extrémité libre de la languette (12) est destinée à coopérer avec un dispositif de serrage (15) intégré audit support de languette (14) .1. System for fixing a tray (1) on a base (3) of table or desk, in which the base (3) consists of a set of feet (5) joined by crosspieces (6), the fastening system being of the type comprising several fastening devices (10) for fixing at several points the plate (1) on the crosspieces (6) of the base (3), each fastening device (10) comprising a flexible tongue ( 12), intended to pass around a crosspiece (6) of the base (3), characterized in that a free end of the tongue (12) is integral with a support (14) intended to be fixed to the plate ( 1), and in that the other free end of the tongue (12) is intended to cooperate with a clamping device (15) integrated into said tongue support (14). 2. Système de fixation selon la revendica¬ tion 1, caractérisé en ce que l'extrémité de chaque languette (12) qui coopère avec le dispositif de .serrage associé (15) se termine par une patte flexible (22) .2. Fastening system according to revendica¬ tion 1, characterized in that the end of each tongue (12) which cooperates with the associated tightening device (15) ends in a flexible tab (22). 3. Système de fixation selon la revendica¬ tion 5, caractérisé en ce que chaque patte flexible (22) a une forme de U qui délimite deux côtés (22a, 22b) sensiblement en vis-à-vis l'un de l'autre et réunis par une partie courbe (22c) .3. Fastening system according to revendica¬ tion 5, characterized in that each flexible tab (22) has a U shape which delimits two sides (22a, 22b) substantially opposite one another and joined by a curved part (22c). 4. Système de fixation selon la revendica¬ tion 3, caractérisé en ce que chaque patte flexible (22) est directement formée par déformation de l'extrémité libre (12b) de la languette (12) . 4. Fastening system according to revendica¬ tion 3, characterized in that each flexible tab (22) is directly formed by deformation of the free end (12b) of the tongue (12). 5. Système de fixation selon la revendica¬ tion 4, caractérisé en ce que chaque patte flexible (22) est formée à partir d'un coude (24) sensiblement à 90', formé par la languette (12) , la partie de cette dernière située entre ce coude (24) et l'extrémité libre de la languette (12) étant repliée pour conformer la patte (22) suivant une forme en U. 5. Fastening system according to claim 4, characterized in that each flexible tab (22) is formed from an elbow (24) substantially 90 ', formed by the tongue (12), the part of this last located between this elbow (24) and the free end of the tongue (12) being folded to conform the tab (22) in a U shape. 6. Système de fixation selon l'une quelconque des revendications précédentes, caractérisé en ce que le support (14) de chaque dispositif d'attache (10) est fixé sur la face de dessous (la) du plateau (1) au moyen d'une vis (30) par exemple.6. Fastening system according to any one of the preceding claims, characterized in that the support (14) of each fastening device (10) is fixed to the underside (la) of the plate (1) by means of 'a screw (30) for example. 7. Système de fixation selon l'une quelconque des revendications précédentes, caractérisé en ce que le support (14) de chaque dispositif d'attache (10) et la languette (12) associée sont venus de moulage pour ne former qu'une seule pièce.7. Fastening system according to any one of the preceding claims, characterized in that the support (14) of each fastening device (10) and the associated tongue (12) have come from molding to form only one room. 8. Système de fixation selon l'une quelconque des revendications 1 à 6, caractérisé en ce que le support (14) de chaque dispositif d'attache (10) et la languette (12) associée forment deux pièces, une extrémité libre (12a) de la languette (12) étant coincée entre le support (14) et la face de dessous (la) du plateau (1) lorsque ledit support (14) est fixé au plateau (1) .8. Fastening system according to any one of claims 1 to 6, characterized in that the support (14) of each fastening device (10) and the associated tongue (12) form two parts, a free end (12a ) of the tongue (12) being wedged between the support (14) and the bottom face (la) of the plate (1) when said support (14) is fixed to the plate (1). 9. Système de fixation selon l'une quelconque des revendications 2 à 8, caractérisé en ce que• chaque dispositif de serrage (15) comprend une première série de dents inclinées (16) en saillie sur une face de la languette (12) et vers l'extrémité libre de celle-ci, et une seconde série de dents inclinées (18) ménagées dans un moyen de réception prévu dans le support de languette (14), ces deux séries de dents (16, 18) étant destinées à s' imbriquer les unes dans les autres une fois la patte flexible (22) de la languette (12) engagée manuellement dans le moyen de réception pour serrer la languette (12) autour d'une traverse (6) . 9. Fastening system according to any one of claims 2 to 8, characterized in that • each clamping device (15) comprises a first series of inclined teeth (16) projecting from one face of the tongue (12) and towards the free end thereof, and a second series of inclined teeth (18) formed in a receiving means provided in the tongue support (14), these two series of teeth (16, 18) being intended to s 'nesting in each other once the flexible tab (22) of the tongue (12) manually engaged in the receiving means to tighten the tongue (12) around a crosspiece (6). 10. Système de fixation selon la revendica¬ tion 9, caractérisé en ce que le moyen de réception est formé par un canal traversant le support (14) du dispositif d'attache (10).10. Fastening system according to revendica¬ tion 9, characterized in that the receiving means is formed by a channel passing through the support (14) of the fastening device (10). 11. Système de fixation selon la revendica- tion 9, caractérisé en ce que le moyen de réception est formé par une cavité (20) ménagée dans le support (14) . 11. Fastening system according to claim 9, characterized in that the receiving means is formed by a cavity (20) formed in the support (14). 12. Table ou bureau constitué d'un plateau (1) et d'un piètement (3), caractérisé en ce que le plateau (1) est fixé au piètement (3) au moyen d'un système de fixation tel que défini par l'une quelconque des revendications précédentes. 12. Table or desk consisting of a tray (1) and a base (3), characterized in that the tray (1) is fixed to the base (3) by means of a fixing system as defined by any of the preceding claims.
PCT/FR1995/001243 1994-09-27 1995-09-27 System for attaching a table top to a table or desk underframe, and table or desk provided therewith Ceased WO1996009782A1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR9411491A FR2725007B1 (en) 1994-09-27 1994-09-27 SYSTEM FOR FIXING A TRAY ON A TABLE OR OFFICE BASE, AND TABLE OR OFFICE EQUIPPED WITH SUCH A FIXING SYSTEM
FR94/11491 1994-09-27

Publications (1)

Publication Number Publication Date
WO1996009782A1 true WO1996009782A1 (en) 1996-04-04

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ID=9467296

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/FR1995/001243 Ceased WO1996009782A1 (en) 1994-09-27 1995-09-27 System for attaching a table top to a table or desk underframe, and table or desk provided therewith

Country Status (4)

Country Link
EP (1) EP0704181A1 (en)
FR (1) FR2725007B1 (en)
PL (1) PL314684A1 (en)
WO (1) WO1996009782A1 (en)

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US8534752B2 (en) 2010-06-02 2013-09-17 Steelcase Inc. Reconfigurable table assemblies
US8667908B2 (en) 2010-06-02 2014-03-11 Steelcase Inc. Frame type table assemblies
US9185974B2 (en) 2010-06-02 2015-11-17 Steelcase Inc. Frame type workstation configurations
US9210999B2 (en) 2010-06-02 2015-12-15 Steelcase Inc. Frame type table assemblies
CN105746620A (en) * 2016-05-09 2016-07-13 徐存然 Heat conducting oil pancake machine cover body fixing device
US10039374B2 (en) 2016-05-13 2018-08-07 Steelcase Inc. Multi-tiered workstation assembly
US10517392B2 (en) 2016-05-13 2019-12-31 Steelcase Inc. Multi-tiered workstation assembly
US12376677B1 (en) 2012-10-10 2025-08-05 Steelcase Inc. Ergonomic seating system, tilt-lock control and remote powering method and apparatus

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DE102006028731A1 (en) * 2006-06-20 2007-12-27 König + Neurath AG connecting device
DE202017104679U1 (en) * 2017-08-04 2018-11-06 Alexander Högg Modular bar system

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US8534752B2 (en) 2010-06-02 2013-09-17 Steelcase Inc. Reconfigurable table assemblies
US8667908B2 (en) 2010-06-02 2014-03-11 Steelcase Inc. Frame type table assemblies
US8689705B2 (en) 2010-06-02 2014-04-08 Steelcase, Inc. Reconfigurable table assemblies
US9185974B2 (en) 2010-06-02 2015-11-17 Steelcase Inc. Frame type workstation configurations
US9210999B2 (en) 2010-06-02 2015-12-15 Steelcase Inc. Frame type table assemblies
US10681980B2 (en) 2010-06-02 2020-06-16 Steelcase Inc. Frame type workstation configurations
US11317716B2 (en) 2010-06-02 2022-05-03 Steelcase Inc. Frame type workstation configurations
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US12376677B1 (en) 2012-10-10 2025-08-05 Steelcase Inc. Ergonomic seating system, tilt-lock control and remote powering method and apparatus
CN105746620A (en) * 2016-05-09 2016-07-13 徐存然 Heat conducting oil pancake machine cover body fixing device
US10039374B2 (en) 2016-05-13 2018-08-07 Steelcase Inc. Multi-tiered workstation assembly
US10517392B2 (en) 2016-05-13 2019-12-31 Steelcase Inc. Multi-tiered workstation assembly

Also Published As

Publication number Publication date
EP0704181A1 (en) 1996-04-03
FR2725007A1 (en) 1996-03-29
FR2725007B1 (en) 1997-01-10
PL314684A1 (en) 1996-09-16

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