EP1800566A1 - Transverse fixing connector of a tube with a shell - Google Patents

Transverse fixing connector of a tube with a shell Download PDF

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Publication number
EP1800566A1
EP1800566A1 EP05360055A EP05360055A EP1800566A1 EP 1800566 A1 EP1800566 A1 EP 1800566A1 EP 05360055 A EP05360055 A EP 05360055A EP 05360055 A EP05360055 A EP 05360055A EP 1800566 A1 EP1800566 A1 EP 1800566A1
Authority
EP
European Patent Office
Prior art keywords
clip
shell
housing
tubing
fastening system
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.)
Granted
Application number
EP05360055A
Other languages
German (de)
French (fr)
Other versions
EP1800566B1 (en
Inventor
Jean-Marc Schneider
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.)
Steelcase SA
Original Assignee
Steelcase 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 Steelcase SA filed Critical Steelcase SA
Priority to EP05360055A priority Critical patent/EP1800566B1/en
Priority to ES05360055T priority patent/ES2363670T3/en
Priority to DE602005027372T priority patent/DE602005027372D1/en
Priority to AT05360055T priority patent/ATE504226T1/en
Priority to PCT/FR2006/002818 priority patent/WO2007077338A2/en
Publication of EP1800566A1 publication Critical patent/EP1800566A1/en
Application granted granted Critical
Publication of EP1800566B1 publication Critical patent/EP1800566B1/en
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Classifications

    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47C—CHAIRS; SOFAS; BEDS
    • A47C3/00—Chairs characterised by structural features; Chairs or stools with rotatable or vertically-adjustable seats
    • A47C3/12—Chairs characterised by structural features; Chairs or stools with rotatable or vertically-adjustable seats with shell-shape seat and back-rest unit, e.g. having arm rests
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47C—CHAIRS; SOFAS; BEDS
    • A47C5/00—Chairs of special materials
    • A47C5/04—Metal chairs, e.g. tubular
    • A47C5/06—Special adaptation of seat upholstery or fabric for attachment to tubular chairs

Definitions

  • the present invention relates to a system for transverse attachment of a pipe to a shell.
  • a system for transverse attachment of a pipe to a shell can for example be applied to the attachment of a seat base metal tubing to the rear of a plastic shell forming the seat and the back of this seat.
  • the pressurizing mechanism is based on an elastic tab of the fastening clip which, compressed against the particular profile of the hull, allows the exercise on the tubulure of a force oriented in a direction substantially perpendicular to the force restoring the energy stored during the compression of the elastic tab.
  • the present invention overcomes these disadvantages, proposing on the one hand a simple configuration to manufacture and assemble, and on the other hand allowing an immediate locking of the tubing of a base to the shell forming the seat and / or the back of a seat.
  • the fastening means which allow locking, are in this case distributed in the housing and in the clip.
  • a guide in the form of the aforementioned positioning means, is further integrated in the mechanical connection.
  • the housing consists of a recess at the open axial ends, made in a projection protruding from the shell, said recess having a volume partially matching the tubing, the clip covering the remaining volume.
  • the lateral walls of the housing are provided, at their free end, with extensions whose external faces have protrusions intended to cooperate with corresponding reliefs arranged in the clip, said extensions and said reliefs being elastically deformed as the approaching clip / housing for fixing and until elastic relaxation when the abutment of the clip on the protuberance.
  • Walls respectively belonging to the protuberances and reliefs, oriented substantially perpendicular to the direction of the binding, are then found face to face, preventing the disassembly of the clip.
  • the walls of the protrusion protruding from said extensions and the relief of the clip whose cooperation allows said deformation are inclined at a similar angle and opposite sign relative to the direction of attachment.
  • the means for axial positioning of the clip relative to the protuberance consist according to the invention in axially-oriented ribs, disposed on either side of end openings and delimiting, in the direction of the axis of the tubing, a distance substantially equal to the axial length of the extensions protruding housing.
  • the extensions are housed, at fixing, between said ribs.
  • the attachment of the clip can therefore be performed completely, in two directions respectively transverse (clipping) and axial.
  • the clip then extends the protuberance protruding from the shell outwards, and the tubing is completely surrounded.
  • the recess is of cylindrical shape, and the openings at the axial ends respectively of the recess and the clip are complementary portions of the circle.
  • said protuberance is in one piece with the shell, molded with this last.
  • the realization of such protuberances, known per se, is done for example by means of gaseous veins for injecting gas into the shell and avoiding visible shrinkage on the outer facade of said shell.
  • the invention applies for example to the attachment of a metal tubing seat base at the back of a backrest or a seat formed of a shell.
  • the shell (1) of the seat comprises a backrest (2) and a seat (3).
  • the outer face (4) of the shell (1) is provided with at least one protuberance (5) provided with a housing (6), a detail of which is shown in Figure 2.
  • the outer face (4) of the shell (1) is provided with two protuberances (5) arranged at the ends side of the hull (1).
  • the housing (6) is cylindrical, and intended to fit a tubing (not shown) which is positioned transversely relative to the shell (1).
  • the outer edges of the housing (6) consist of extensions (7, 7 ') themselves with external growths (8, 8').
  • the shell being molded of plastic, the dimensions of the extensions (7, 7 ') are such that they can undergo elastic flexion when the protuberances (8, 8') are compressed inwards, for example by cooperation with a surface corresponding to a clip (10) provided for locking the tubing.
  • Such a clip (10) is shown in Figures 3 and 4. It covers the portion of tubing inserted in the housing (6).
  • the inside of the clip (10), appearing in FIG. 4 shows the existence of two reliefs (11, 11 ') which allow clipping of the clip (10) on the extensions (7, 7') protruding from the housing (6 ).
  • ribs (13, 14, 13', 14 ') permitting axial positioning of the clip (10).
  • the identical distance between the ribs (13, 13 ') on the one hand, and (14, 14') on the other hand corresponds substantially to the length of the extensions (7, 7 ') (see FIG. 6).
  • the axial ends of said extensions (7, 7 ') slidably fit between the ribs (13, 13', 14, 14 '), and the clip (10) is guided such that it naturally extends the protrusion (5) surrounding the tubing.
  • the reliefs (11, 11 ') have an inclined plane (15, 15') which resolves into a surface (16, 16 ') with a shape perpendicular to the inner wall of the clip (10). .
  • the orientation of the surfaces (15, 15 ', 16, 16') corresponds, in absolute value and with respect to the direction F of the attachment, to the orientation of the surfaces (17, 17 ', 18, 18') appearing in Figure 6 and which delimit the growths (8, 8 ').
  • Figure 6 shows the clip (10) in the closing phase, approaching in the direction of the arrow F of the protrusion (5) protruding from the shell (4).
  • the ribs (13, 13 ', 14, 14') manage the axial centering of the clip (10) relative to the protuberance (5).
  • the reliefs (11, 11 ') allow, by cooperating with the extensions (7') and their reliefs (8, 8 ') the locking of the clip (10) on said protuberance (5). It is of course necessary to place the metal tube (not shown) before locking the clip (10) on the protuberance (5).

Landscapes

  • Clamps And Clips (AREA)
  • Supports For Pipes And Cables (AREA)
  • Quick-Acting Or Multi-Walled Pipe Joints (AREA)
  • Tents Or Canopies (AREA)

Abstract

The system has a cylindrical body structure housing provided in a body structure (1) to ensure the positioning of an insert for fixing the insert with the body structure, and a locking clip (10) for blocking the insert in a preceding position. Two reliefs (11, 11`) are adapted for clipping the locking clip on extensions projecting from the housing, where axial ends of the extensions are adjusted such that the ends slide between ribs (13, 13`, 14, 14`). The clip is guided such that the clip extends a protrusion by surrounding the insert.

Description

La présente invention a trait à un système de fixation transversale d'une tubulure à une coque. Un tel système peut par exemple être appliqué à la fixation d'une tubulure métallique de piètement de siège à l'arrière d'une coque plastique formant l'assise et le dossier de ce siège.The present invention relates to a system for transverse attachment of a pipe to a shell. Such a system can for example be applied to the attachment of a seat base metal tubing to the rear of a plastic shell forming the seat and the back of this seat.

Pour éclairer la description qui suit, cet exemple sera le fil conducteur utilisé dans le texte. L'un des soucis des constructeurs de mobilier, basé sur d'évidentes raisons économiques, est de simplifier les composants et le montage des éléments de mobilier afin de réduire autant que possible les coûts de fabrication et d'industrialisation des ensembles. Le domaine des sièges n'échappe pas à cette logique, notamment lorsqu'il s'agit des modèles de gamme moyenne.To clarify the description that follows, this example will be the common thread used in the text. One of the concerns of furniture manufacturers, based on obvious economic reasons, is to simplify the components and assembly of the furniture elements to reduce as much as possible the costs of manufacturing and industrialization of the sets. The field of seats does not escape this logic, especially when it comes to mid-range models.

Dans ce cas, l'utilisation de plus en plus répandue de coques en plastique pour la réalisation de l'assise et du dossier, combinées à des structures métalliques pour le piètement, suscite des développements visant à faciliter leur assemblage. Ainsi, le brevet US-4 892 355 décrit par exemple un mécanisme d'attache de la partie avant de l'assise à une traverse métallique tubulaire solidaire du piètement, selon lequel ladite traverse est calée dans des nervures parallèles dotées d'un évidement arrondi épousant la forme extérieure du tube, des clips de fixation venant ensuite se caler dans le profil particulier de la surface intérieure de l'assise pour finir de solidariser la traverse.In this case, the increasingly widespread use of plastic shells for the realization of the seat and backrest, combined with metal structures for the base, causes developments to facilitate their assembly. Thus, the patent U.S. 4,892,355 describes for example a mechanism for attaching the front portion of the seat to a tubular metal crossbar integral with the base, wherein said cross is wedged in parallel ribs having a rounded recess conforming to the outer shape of the tube, clips fixing then coming to wedge in the particular profile of the inner surface of the seat to finish securing the cross.

Ces clips ont un profil complexe, visant à les adapter à des reliefs particuliers de l'assise, qui a pour but de permettre leur fixation à la coque de l'assise d'une part et un appui en pression contre la traverse d'autre part. Le mécanisme de mise en pression repose sur une patte élastique du clip de fixation qui, comprimée contre le profil particulier de la coque, permet l'exercice sur la tubulure d'un effort orienté dans une direction sensiblement perpendiculaire à la force restituant l'énergie emmagasinée lors de la compression de la patte élastique.These clips have a complex profile, to adapt them to particular reliefs of the seat, which is intended to allow their attachment to the seat shell on the one hand and a pressure support against the other crosspiece go. The pressurizing mechanism is based on an elastic tab of the fastening clip which, compressed against the particular profile of the hull, allows the exercise on the tubulure of a force oriented in a direction substantially perpendicular to the force restoring the energy stored during the compression of the elastic tab.

Une telle configuration, exigeant une forme relativement complexe des pièces et profils coopérant les uns avec les autres, implique en outre une réorientation des efforts pour aboutir à la fixation. Le clip utilisé ne permet enfin pas d'aboutir à un verrouillage complet de la liaison mécanique.Such a configuration, requiring a relatively complex shape of the parts and profiles cooperating with each other, further involves a reorientation of efforts to achieve fixation. The clip used does not finally lead to complete locking of the mechanical link.

La présente invention remédie à ces inconvénients, en proposant d'une part une configuration simple à fabriquer et à assembler, et permettant d'autre part un verrouillage immédiat de la tubulure d'un piètement à la coque formant l'assise et/ou le dossier d'un siège.The present invention overcomes these disadvantages, proposing on the one hand a simple configuration to manufacture and assemble, and on the other hand allowing an immediate locking of the tubing of a base to the shell forming the seat and / or the back of a seat.

A cet effet, le système de l'invention, permettant la fixation transversale d'une tubulure à une coque, comporte :

  • un logement pratiqué dans la coque assurant le positionnement de la tubulure en vue de sa fixation à la coque ;
  • un clip de verrouillage bloquant la tubulure dans sa position précédente ;
et il se caractérise à titre principal en ce que le logement et le clip sont munis de moyens de verrouillage de l'un à l'autre et de moyens de positionnement de l'un par rapport à l'autre dans la direction de l'axe de la tubulure.For this purpose, the system of the invention, allowing the transverse attachment of a tubing to a shell, comprises:
  • a housing in the hull ensuring the positioning of the tubing for attachment to the hull;
  • a locking clip blocking the tubing in its previous position;
and it is characterized in principal that the housing and the clip are provided with locking means from one to the other and positioning means of one relative to the other in the direction of the axis of the tubing.

Les moyens de fixation, qui permettent un verrouillage, sont donc en l'espèce répartis dans le logement et dans le clip. Pour faciliter encore la tâche au monteur, et lui permettre de réaliser la liaison en une seule opération, un guidage, sous la forme des moyens de positionnement précités, est en outre intégré dans la liaison mécanique.The fastening means, which allow locking, are in this case distributed in the housing and in the clip. To further facilitate the task of the assembler, and allow him to perform the connection in a single operation, a guide, in the form of the aforementioned positioning means, is further integrated in the mechanical connection.

Selon une configuration possible, le logement consiste en un évidement aux extrémités axiales ouvertes, pratiqué dans une protubérance dépassant de la coque, ledit évidement ayant un volume épousant partiellement la tubulure, le clip recouvrant le volume restant.In a possible configuration, the housing consists of a recess at the open axial ends, made in a projection protruding from the shell, said recess having a volume partially matching the tubing, the clip covering the remaining volume.

Dans l'art antérieur décrit dans le brevet US-A-4 892 355 , l'absence de verrouillage permet une liaison mécanique dans laquelle les clips de fixation amovibles se contentent de repousser la tubulure à l'intérieur de nervures parallèles. Dans le système de l'invention, de simples rainures ne permettraient pas, ou en tout cas beaucoup moins facilement, la réalisation d'un verrouillage complet d'une pièce par rapport à l'autre. C'est la raison pour laquelle la protubérance contient de préférence un logement volumique.In the prior art described in the patent US-A-4,892,355 the absence of locking allows a mechanical connection in which the removable fastening clips are content to push the tubing inside parallel ribs. In the system of the invention, simple grooves would not allow, or in any case much less easily, the realization of a complete locking of one piece relative to the other. This is why the protuberance preferably contains a volume housing.

Selon une configuration possible, les parois latérales du logement sont munies, à leur extrémité libre, de prolongements dont les faces externes présentent des excroissances destinées à coopérer avec des reliefs correspondants disposés dans le clip, lesdits prolongements et lesdits reliefs étant déformés élastiquement à mesure du rapprochement clip / logement pour la fixation et jusqu'à détente élastique lors de l'aboutement du clip sur la protubérance. Des parois appartenant respectivement aux excroissances et aux reliefs, orientées sensiblement perpendiculairement à la direction de la fixation, se retrouvent alors face à face, empêchant le démontage du clip.According to one possible configuration, the lateral walls of the housing are provided, at their free end, with extensions whose external faces have protrusions intended to cooperate with corresponding reliefs arranged in the clip, said extensions and said reliefs being elastically deformed as the approaching clip / housing for fixing and until elastic relaxation when the abutment of the clip on the protuberance. Walls respectively belonging to the protuberances and reliefs, oriented substantially perpendicular to the direction of the binding, are then found face to face, preventing the disassembly of the clip.

Ces moyens supplémentaires, qui ne figurent pas dans le brevet américain précité, permettent bien la réalisation du verrouillage. Le clipsage élastique qu'ils autorisent n'est plus démontable parce que les différents éléments qui participent à la liaison ne sont plus accessibles de l'extérieur une fois le clip positionné et clipsé.These additional means, which do not appear in the aforementioned US patent, make it possible to achieve locking. The elastic clipping they allow is no longer removable because the various elements involved in the link are no longer accessible from the outside once the clip positioned and clipped.

Pour faciliter la déformation élastique avant verrouillage, les parois de l'excroissance dépassant desdits prolongements et du relief du clip dont la coopération permet ladite déformation sont inclinées d'un angle similaire et de signe opposé par rapport à la direction de la fixation.To facilitate the elastic deformation before locking, the walls of the protrusion protruding from said extensions and the relief of the clip whose cooperation allows said deformation are inclined at a similar angle and opposite sign relative to the direction of attachment.

Ces pans inclinés permettent l'obtention d'une déformation progressive à mesure que la fixation progresse. Le clipsage ne se réalise qu'en bout de course, lorsque le clip est au contact de la protubérance de la coque dans laquelle est pratiqué le logement.These inclined faces allow to obtain a progressive deformation as the attachment progresses. Clipping is only carried out at the end of the stroke, when the clip is in contact with the protuberance of the shell in which the housing is made.

Les moyens de positionnement axial du clip par rapport à la protubérance consistent selon l'invention en des nervures d'allure axiale, disposées de part et d'autre d'ouvertures d'extrémité et délimitant, dans la direction de l'axe de la tubulure, une distance sensiblement égale à la longueur axiale des prolongements dépassant des logements. Les prolongements viennent se loger, à la fixation, entre lesdites nervures.The means for axial positioning of the clip relative to the protuberance consist according to the invention in axially-oriented ribs, disposed on either side of end openings and delimiting, in the direction of the axis of the tubing, a distance substantially equal to the axial length of the extensions protruding housing. The extensions are housed, at fixing, between said ribs.

La fixation du clip peut donc s'effectuer de manière complète, selon deux directions respectivement transversale (clipsage) et axiale. Le clip prolonge alors la protubérance dépassant de la coque vers l'extérieur, et la tubulure est totalement entourée.The attachment of the clip can therefore be performed completely, in two directions respectively transverse (clipping) and axial. The clip then extends the protuberance protruding from the shell outwards, and the tubing is completely surrounded.

Selon une configuration, prévue pour s'adapter à des tubulures cylindriques, l'évidement est d'allure cylindrique, et les ouvertures aux extrémités axiales respectivement de l'évidemment et du clip sont des portions de cercle complémentaires. De préférence, dans le système de l'invention, ladite protubérance est d'une pièce avec la coque, venue de moulage avec cette dernière. La réalisation de telles protubérances, connue en soi, se fait par exemple par l'intermédiaire de veines gazeuses permettant l'injection du gaz dans la coque et évitant des retassures visibles en façade extérieure de ladite coque.According to a configuration, designed to adapt to cylindrical pipes, the recess is of cylindrical shape, and the openings at the axial ends respectively of the recess and the clip are complementary portions of the circle. Preferably, in the system of the invention, said protuberance is in one piece with the shell, molded with this last. The realization of such protuberances, known per se, is done for example by means of gaseous veins for injecting gas into the shell and avoiding visible shrinkage on the outer facade of said shell.

Comme on l'a indiqué précédemment, l'invention s'applique par exemple à la fixation d'une tubulure métallique de piètement du siège à l'arrière d'un dossier ou d'une assise formé d'une coque.As indicated above, the invention applies for example to the attachment of a metal tubing seat base at the back of a backrest or a seat formed of a shell.

L'invention va à présent être décrite plus en détail, en référence aux figures annexées, pour lesquelles :

  • la figure 1 est une vue en coupe d'une coque formant assise et dossier d'un siège munie, à la jointure entre ces deux parties, d'une protubérance avec un logement pour une tubulure appartenant au piètement ;
  • la figure 2 est un agrandissement de la protubérance avec son logement ;
  • la figure 3 est une vue en perspective de l'extérieur d'un clip ;
  • la figure 4 est une vue en perspective de l'intérieur du même clip;
  • la figure 5 est une vue en coupe transversale du clip des figures 3 et 4 ; et
  • la figure 6 représente, en perspective partielle, la totalité du système en cours de fermeture.
The invention will now be described in more detail, with reference to the appended figures, for which:
  • Figure 1 is a sectional view of a shell forming a seat and back of a seat provided at the joint between these two parts, a protuberance with a housing for a tubing belonging to the base;
  • Figure 2 is an enlargement of the protuberance with its housing;
  • Figure 3 is a perspective view of the outside of a clip;
  • Figure 4 is a perspective view of the interior of the same clip;
  • Figure 5 is a cross-sectional view of the clip of Figures 3 and 4; and
  • Figure 6 shows, in partial perspective, the entire system being closed.

En référence à la figure 1, la coque (1) du siège comporte un dossier (2) et une assise (3). Dans la portion médiane qui joint le dossier (2) d'allure verticale et l'assise (3) d'allure horizontale, la face externe (4) de la coque (1) est dotée d'au moins une protubérance (5) munie d'un logement (6), dont un détail est montré en figure 2. En réalité, dans la plupart des cas, la face externe (4) de la coque (1) est munie de deux protubérances (5) disposées aux extrémités latérales de la coque (1).Referring to Figure 1, the shell (1) of the seat comprises a backrest (2) and a seat (3). In the median portion which joins the vertical-looking backrest (2) and the horizontally-shaped seat (3), the outer face (4) of the shell (1) is provided with at least one protuberance (5) provided with a housing (6), a detail of which is shown in Figure 2. In reality, in most cases, the outer face (4) of the shell (1) is provided with two protuberances (5) arranged at the ends side of the hull (1).

Le logement (6) est cylindrique, et prévu pour épouser une tubulure (non représentée) qui est donc positionnée transversalement par rapport à la coque (1). Les rebords extérieurs du logement (6) sont constitués de prolongements (7, 7') eux-mêmes dotés d'excroissances (8, 8') externes. La coque étant moulée en plastique, les dimensions des prolongements (7, 7') sont telles qu'ils peuvent subir une flexion élastique lorsque les excroissances (8, 8') sont comprimées vers l'intérieur, par exemple par coopération avec une surface correspondante d'un clip (10) prévu pour verrouiller la tubulure.The housing (6) is cylindrical, and intended to fit a tubing (not shown) which is positioned transversely relative to the shell (1). The outer edges of the housing (6) consist of extensions (7, 7 ') themselves with external growths (8, 8'). The shell being molded of plastic, the dimensions of the extensions (7, 7 ') are such that they can undergo elastic flexion when the protuberances (8, 8') are compressed inwards, for example by cooperation with a surface corresponding to a clip (10) provided for locking the tubing.

Un tel clip (10) est représenté aux figures 3 et 4. Il recouvre la portion de tubulure insérée dans le logement (6). L'intérieur du clip (10), apparaissant en figure 4, montre l'existence de deux reliefs (11, 11') qui permettent le clipsage du clip (10) sur les prolongements (7, 7') dépassant du logement (6). En fait, ce sont les excroissances (8, 8') dépassant elles-mêmes latéralement desdits prolongements (7, 7') qui viennent se loger au-delà desdits reliefs (11, 11') lors de l'insertion du clip (10) vers les prolongements (7, 7'), comme cela sera expliqué en détail en référence à la figure 5.Such a clip (10) is shown in Figures 3 and 4. It covers the portion of tubing inserted in the housing (6). The inside of the clip (10), appearing in FIG. 4, shows the existence of two reliefs (11, 11 ') which allow clipping of the clip (10) on the extensions (7, 7') protruding from the housing (6 ). In fact, it is the protuberances (8, 8 ') protruding laterally from said extensions (7, 7') which are housed beyond said reliefs (11, 11 ') during the insertion of the clip (10) towards the extensions (7, 7'); , 7 '), as will be explained in detail with reference to FIG. 5.

De part et d'autre des ouvertures semi-circulaires (12, 12'), se trouvent des nervures (13, 14, 13', 14') permettant un positionnement axial du clip (10). La distance, identique, existant entre les nervures (13, 13') d'une part, et (14, 14') d'autre part, correspond sensiblement à la longueur des prolongements (7, 7') (voir figure 6). Au moment de la fixation, les extrémités axiales desdits prolongements (7, 7') s'ajustent de manière glissante entre les nervures (13, 13', 14, 14'), et le clip (10) est guidé de telle sorte qu'il prolonge naturellement la protubérance (5) en entourant la tubulure.On either side of the semicircular openings (12, 12 ') are ribs (13, 14, 13', 14 ') permitting axial positioning of the clip (10). The identical distance between the ribs (13, 13 ') on the one hand, and (14, 14') on the other hand corresponds substantially to the length of the extensions (7, 7 ') (see FIG. 6). . At the time of attachment, the axial ends of said extensions (7, 7 ') slidably fit between the ribs (13, 13', 14, 14 '), and the clip (10) is guided such that it naturally extends the protrusion (5) surrounding the tubing.

En référence à la figure 5, les reliefs (11, 11') présentent un plan incliné (15, 15') qui se résout en une surface (16, 16') d'allure perpendiculaire à la paroi interne du clip (10). L'orientation des surfaces (15, 15', 16, 16') correspond, en valeur absolue et par rapport à la direction F de la fixation, à l'orientation des surfaces (17, 17', 18, 18') apparaissant en figure 6 et qui délimitent les excroissances (8, 8'). Les plans inclinés (17, 17') glissent au contact des surfaces (15, 15'), provoquant une double déformation des prolongements (7, 7') vers l'intérieur et des reliefs (11, 11') vers l'extérieur jusqu'à ce que lesdites surfaces (15, 15', 17, 17') cessent d'être en contact. Les prolongements et reliefs reviennent alors élastiquement dans leur position initiale, et les surfaces (16, 16', 18, 18') se retrouvent alors élastiquement face à face. Le clip (10) est verrouillé.With reference to FIG. 5, the reliefs (11, 11 ') have an inclined plane (15, 15') which resolves into a surface (16, 16 ') with a shape perpendicular to the inner wall of the clip (10). . The orientation of the surfaces (15, 15 ', 16, 16') corresponds, in absolute value and with respect to the direction F of the attachment, to the orientation of the surfaces (17, 17 ', 18, 18') appearing in Figure 6 and which delimit the growths (8, 8 '). The inclined planes (17, 17 ') slide in contact with the surfaces (15, 15'), causing a double deformation of the extensions (7, 7 ') inwardly and reliefs (11, 11') towards the outside until said surfaces (15, 15 ', 17, 17') cease to be in contact. The extensions and reliefs then return elastically to their initial position, and the surfaces (16, 16 ', 18, 18') then meet elastically face to face. The clip (10) is locked.

La figure 6 montre le clip (10) en phase de fermeture, se rapprochant dans la direction de la flèche F de la protubérance (5) dépassant de la coque (4). Les nervures (13, 13', 14, 14') gèrent le centrage axial du clip (10) par rapport à la protubérance (5). Les reliefs (11, 11') permettent, en coopérant avec les prolongements (7') et leurs reliefs (8, 8') le verrouillage du clip (10) sur ladite protubérance (5). Il convient bien entendu de placer le tube métallique (non représenté) avant de verrouiller le clip (10) sur la protubérance (5).Figure 6 shows the clip (10) in the closing phase, approaching in the direction of the arrow F of the protrusion (5) protruding from the shell (4). The ribs (13, 13 ', 14, 14') manage the axial centering of the clip (10) relative to the protuberance (5). The reliefs (11, 11 ') allow, by cooperating with the extensions (7') and their reliefs (8, 8 ') the locking of the clip (10) on said protuberance (5). It is of course necessary to place the metal tube (not shown) before locking the clip (10) on the protuberance (5).

La description qui précède ne concerne qu'un exemple de configuration de l'invention, qui ne doit pas être considéré comme limitatif de celle-ci.The foregoing description relates to only one exemplary configuration of the invention, which should not be considered as limiting thereof.

Claims (8)

Système de fixation transversale d'une tubulure à une coque (1), comportant : - un logement pratiqué dans la coque (1) assurant le positionnement de la tubulure en vue de sa fixation à la coque (1) ; - un clip de verrouillage (10) bloquant la tubulure dans sa position précédente ; caractérisé en ce que le logement et le clip (10) sont munis de moyens de verrouillage de l'un à l'autre et de moyens de positionnement de l'un par rapport à l'autre dans la direction de l'axe de la tubulure.System for transverse fixation of a tubular to a shell (1), comprising: - A housing in the shell (1) ensuring the positioning of the tubing for attachment to the shell (1); - a locking clip (10) blocking the tubing in its previous position; characterized in that the housing and the clip (10) are provided with locking means from one to the other and means for positioning one with respect to the other in the direction of the axis of the tubing. Système de fixation selon la revendication précédente, caractérisé en ce que le logement consiste en un évidement (6) aux extrémités axiales ouvertes, pratiqué dans une protubérance (5) dépassant de la coque (1), ledit évidement (6) ayant un volume épousant partiellement la tubulure, le clip (10) recouvrant le volume restant.Fastening system according to the preceding claim, characterized in that the housing consists of a recess (6) at the open axial ends, formed in a protuberance (5) protruding from the shell (1), said recess (6) having a volume matching partially the tubing, the clip (10) covering the remaining volume. Système de fixation selon la revendication précédente, caractérisé en ce que les parois latérales du logement sont munies, à leur extrémité libre, de prolongements (7, 7') dont les faces externes présentent des excroissances (8, 8') destinées à coopérer avec des reliefs (11, 11') correspondants disposés dans le clip (10), lesdits prolongements (7, 7') et les reliefs (11, 11') étant déformés élastiquement à mesure du rapprochement clip (10) / logement jusqu'à détente élastique lors de l'aboutement du clip (10) sur la protubérance (5), des parois (16, 16' ; 18, 18') appartenant respectivement aux excroissances (7, 7') et aux reliefs (11, 11') et orientées sensiblement perpendiculairement à la direction de la fixation se retrouvant alors face à face.Fastening system according to the preceding claim, characterized in that the side walls of the housing are provided at their free end with extensions (7, 7 ') whose outer faces have protrusions (8, 8') intended to cooperate with corresponding reliefs (11, 11 ') arranged in the clip (10), said extensions (7, 7') and the reliefs (11, 11 ') being elastically deformed as the clip (10) / housing is brought closer together elastic relaxation during the abutment of the clip (10) on the protuberance (5), walls (16, 16 ', 18, 18') respectively belonging to the protuberances (7, 7 ') and the reliefs (11, 11') ) and oriented substantially perpendicular to the direction of the fastener then found face to face. Système de fixation selon la revendication précédente, caractérisé en ce que les parois respectives (15, 15' ; 17, 17') de l'excroissance (8, 8') du prolongement (7, 7') et du relief (11, 11') dont la coopération permet la déformation élastique avant verrouillage sont inclinées d'un angle similaire et de signe opposé par rapport à la direction F de la fixation.Fastening system according to the preceding claim, characterized in that the respective walls (15, 15 '; 17, 17') of the protrusion (8, 8 ') of the extension (7, 7') and the relief (11, 11 ') whose cooperation allows the elastic deformation before locking are inclined at a similar angle and opposite sign with respect to the direction F of the fastener. Système de fixation selon l'une des revendications 3 et 4, caractérisé en ce que le clip (10) comporte des nervures (13, 13' ; 14, 14') d'allure axiale, disposées de part et d'autre d'ouvertures (12, 12') d'extrémité et délimitant, dans la direction de l'axe de la tubulure, une distance sensiblement égale à la longueur axiale des prolongements (7, 7') du logement.Fastening system according to one of claims 3 and 4, characterized in that the clip (10) comprises ribs (13, 13 ', 14, 14') of axial shape, arranged on either side of apertures (12, 12 ') end and delimiting, in the direction of the axis of the tubing, a distance substantially equal to the axial length of the extensions (7, 7') of the housing. Système de fixation selon la revendication précédente, caractérisé en ce que l'évidement (6) est d'allure cylindrique, et les ouvertures aux extrémités axiales respectivement de l'évidement (6) et du clip (10) sont des portions de cercle complémentaires.Fastening system according to the preceding claim, characterized in that the recess (6) is of cylindrical shape, and the openings at the ends axial respectively of the recess (6) and the clip (10) are complementary portions of the circle. Système de fixation selon l'une quelconque des revendications précédentes, caractérisé en ce que la protubérance (5) est d'une pièce avec la coque (1), venue de moulage avec cette dernière.Fastening system according to any one of the preceding claims, characterized in that the protuberance (5) is integral with the shell (1), integrally molded therewith. Utilisation d'un système de fixation selon l'une quelconque des revendications précédentes, caractérisé en ce qu'il est appliqué à la fixation d'une tubulure métallique de piètement de siège à l'arrière d'un dossier (2) ou d'une assise (3) formés d'une coque (1) plastique.Use of a fastening system according to any one of the preceding claims, characterized in that it is applied to the fastening of a seat base metal tubing to the back of a backrest (2) or to a seat (3) formed of a shell (1) plastic.
EP05360055A 2005-12-23 2005-12-23 Transverse fixing connector of a tube with a shell Active EP1800566B1 (en)

Priority Applications (5)

Application Number Priority Date Filing Date Title
EP05360055A EP1800566B1 (en) 2005-12-23 2005-12-23 Transverse fixing connector of a tube with a shell
ES05360055T ES2363670T3 (en) 2005-12-23 2005-12-23 TRANSVERSAL FIXING SYSTEM FROM A TUBE TO A HELMET.
DE602005027372T DE602005027372D1 (en) 2005-12-23 2005-12-23 Transverse locking of a pipe with a shell
AT05360055T ATE504226T1 (en) 2005-12-23 2005-12-23 TRANSVERSE LOCKING OF A TUBE WITH A SHELL
PCT/FR2006/002818 WO2007077338A2 (en) 2005-12-23 2006-12-20 System for securing a tube transversely to a shell

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP05360055A EP1800566B1 (en) 2005-12-23 2005-12-23 Transverse fixing connector of a tube with a shell

Publications (2)

Publication Number Publication Date
EP1800566A1 true EP1800566A1 (en) 2007-06-27
EP1800566B1 EP1800566B1 (en) 2011-04-06

Family

ID=37388439

Family Applications (1)

Application Number Title Priority Date Filing Date
EP05360055A Active EP1800566B1 (en) 2005-12-23 2005-12-23 Transverse fixing connector of a tube with a shell

Country Status (5)

Country Link
EP (1) EP1800566B1 (en)
AT (1) ATE504226T1 (en)
DE (1) DE602005027372D1 (en)
ES (1) ES2363670T3 (en)
WO (1) WO2007077338A2 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3037018A1 (en) * 2014-12-22 2016-06-29 Kinnarps AB Chair, set of chair parts and method for interconnecting a chair seat to a chair frame

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB939458A (en) * 1962-08-01 1963-10-16 Cosmotron Ind Ltd Improvements in or relating to chairs, stools and like seats
US3393941A (en) * 1966-02-07 1968-07-23 Sarl Grosfillex Freres Article for seating furniture
GB1176032A (en) * 1967-03-10 1970-01-01 Dare Inglis Products Ltd Articles of Furniture.
US4892355A (en) 1986-03-21 1990-01-09 Samsonite Furniture Company Chair construction
DE19534699A1 (en) * 1995-09-19 1997-03-20 Stoll Sedus Ag Backrest for seating

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB939458A (en) * 1962-08-01 1963-10-16 Cosmotron Ind Ltd Improvements in or relating to chairs, stools and like seats
US3393941A (en) * 1966-02-07 1968-07-23 Sarl Grosfillex Freres Article for seating furniture
GB1176032A (en) * 1967-03-10 1970-01-01 Dare Inglis Products Ltd Articles of Furniture.
US4892355A (en) 1986-03-21 1990-01-09 Samsonite Furniture Company Chair construction
DE19534699A1 (en) * 1995-09-19 1997-03-20 Stoll Sedus Ag Backrest for seating

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3037018A1 (en) * 2014-12-22 2016-06-29 Kinnarps AB Chair, set of chair parts and method for interconnecting a chair seat to a chair frame

Also Published As

Publication number Publication date
WO2007077338A2 (en) 2007-07-12
EP1800566B1 (en) 2011-04-06
ES2363670T3 (en) 2011-08-11
ATE504226T1 (en) 2011-04-15
WO2007077338A3 (en) 2007-08-23
DE602005027372D1 (en) 2011-05-19

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