FR2507070A3

FR2507070A3 - Pivoting link for folding chair between two frames - consists of straight segment, with saddle and half saddle sections at one end

Info

Publication number: FR2507070A3
Application number: FR8209783A
Authority: FR
Original assignee: Individual
Current assignee: Individual
Priority date: 1981-06-04
Filing date: 1982-06-04
Publication date: 1982-12-10
Also published as: FR2507070B3; DE8216158U1

Abstract

The link for a folding chair or arm-chair fits between the rectangular front seat and back support and the square seat frame. The link consists of a straight segment (6) whose cross-section is identical to that of the U-shaped tube constituting the pack seat support. The central frame rests on a saddle (8) tilted at forty-five degrees in relation to the axis of the straight segment. The vertical side of the rectangular frame rests on a half-saddle (9) also tilted at forty-five degrees in the opposite direction. A central fitment has a hole (10) through which passes the axle joining the two seat frames.

Description

L'invention a pour but de réaliser un ensem- ble d'articulation pour siège repliable, à insérer sur l'extré- mité du tube postérieur recourbé en forme de U, qui soutient la surface de siège, étant connecté au moyen d'un axe à un côté du cadre extérieur de forme rectangulaire qui constitue le support antérieur du siège d'appui du dos de l'utilisateur. The object of the invention is to produce an articulation assembly for a folding seat, to be inserted on the end of the rear tube bent into a U shape, which supports the seat surface, being connected by means of a axis to one side of the rectangular outer frame which constitutes the front support of the back support seat of the user.

B'articlation de l'invention est caractéri- sée en ce qu'elle comprend un segment rectiligne de section transversale identique à celle du tube recourbé en forme de U qui constitue le support postérieur du siège, ainsi qu'un bloc comprenant une selle inclinée à 45 degrés par rapport à l'a e du segment, contre laquelle g'appuie le cadre central de surface de siège, ainsi qu'une demi-selle latérale inclinée également à 45 degrés par rapport à l'axe du segment rectiligne, mais en sens opposé, contre laquelle s'appuie le c8té vertical du cadre rectangulaire qui forme le support antérieur du siège, ainsi qu'un appendice central comportant le perçage à travers lequel passe l'axe qui réunit les deux cadres,du siège, l'ensemble d'articulation étant conçu de telle manière qu'il donne la possibilité de stabiliser le siège dans les deux positions, respectivement repliée et ouverte du siège, la première correspondant à une position coplanaire de tous les éléments qui constituent le siège, c' est-à-dire la partie antérieure et la partie postérieure, facilitant l'emballage sous forme compacte, réduisant ainsi les frais de transport et de magasinage. The articulation of the invention is characterized in that it comprises a rectilinear segment of cross section identical to that of the U-shaped curved tube which constitutes the rear support of the seat, as well as a block comprising an inclined saddle at 45 degrees to the ae of the segment, against which the central seat surface frame rests, as well as a side saddle also inclined at 45 degrees to the axis of the straight segment, but in the opposite direction, against which the vertical side of the rectangular frame which forms the front support of the seat rests, as well as a central appendage comprising the bore through which passes the axis which joins the two frames, of the seat, the articulation assembly being designed in such a way that it gives the possibility of stabilizing the seat in the two positions, respectively folded and open of the seat, the first corresponding to a coplanar position of all the elements which constitute the seat, -at- say the front and back, facilitating packaging in compact form, thereby reducing transport and storage costs.

La description ci-après se rapporte à un exemple de réalisation avec référence aux dessins annexés dans lesquels :
- la figure I est une vue eh perspective d'un siège repliable équipé avec une articulation conforme à l'invention,
- les figures 2, 3 et 4 sont respectivement des vues en élévation latérale, en plan et en élévation frontale de l'articulation conforme à l'invention.The description below relates to an exemplary embodiment with reference to the accompanying drawings in which:
FIG. I is a perspective view of a folding seat equipped with a hinge according to the invention,
- Figures 2, 3 and 4 are respectively views in side elevation, in plan and in front elevation of the joint according to the invention.

Le siège représenté dans la figure 1 est réalisé, de manière traditionnelle, au moyen d'un élément 1 recourbé en forme de U qui constitue le support postérieur du siège, d'un cadre rectangulaire 2, qui constitue le support antérieur et le soutien du dos et d'un cadre de forme sensiblement carrée 3 qui constitue le support de surface de siège. The seat shown in FIG. 1 is produced, in a traditional manner, by means of a U-shaped element 1 curved which constitutes the rear support of the seat, of a rectangular frame 2, which constitutes the anterior support and the support of the back and a substantially square frame 3 which constitutes the seat surface support.

Dans la figure 1, les surfaces de siège et de dos sont réalisées au moyen d'un cannage, mais tout autre forme est évidemment possible. In Figure 1, the seat and back surfaces are made by cane, but any other shape is obviously possible.

Les articulations 4 et 5 assemblent, dans chaque cas, le cadre inférieur 1 avec le cadre rectangulaire 2, sur un côté et avec le cadre carré 3, sur l'autre côté, les deux côtés du siège étant parfaitement symétriques. The joints 4 and 5 assemble, in each case, the lower frame 1 with the rectangular frame 2, on one side and with the square frame 3, on the other side, the two sides of the seat being perfectly symmetrical.

Sn particulier, dans les figures 2, 3 et 4, est représentée chaque fois l'articulation de droite 5, la réalisation étant symétrique de l'articulation de gauche 4. Sn particular, in Figures 2, 3 and 4, is shown each time the right joint 5, the embodiment being symmetrical with the left joint 4.

Le segment à section ovale 6 est destiné i être introduit dans la partie d ' extrémité du tube 1 en forme de
U. Ce segment est prolongé vers le haut par le bloc 7 pourvu de la selle 8 pour l'appui du cadre 2, de la demi-selle 9, pour l'appui du cadre 3 et du perçage traversant 10, pour l'introduction de l'axe qui relie le cadre 3 à un côté, et la jambe inférieure faisant partie du cadre 2 à l'autre côté.The oval section segment 6 is intended to be introduced into the end portion of the tube 1 in the form of
U. This segment is extended upwards by the block 7 provided with the saddle 8 for the support of the frame 2, of the half-saddle 9, for the support of the frame 3 and of the through hole 10, for the introduction of the axis which connects the frame 3 to one side, and the lower leg forming part of the frame 2 to the other side.

L'articulation conforme à l'invention présente l'avantage d'une réalisation extrêmement simple et économique de l'assemblage du cadre rectangulaire constituant les Jambes antérieures et le support de dos, avec le cadre carré constituant le support de surface de siège et avec le cadre en forme de U constituant les jambes postérieures, en donnant la possibilité de régler le siège en position plane de non emploi, et facilité de manoeuvre pour l'amener en position ouverte. The articulation according to the invention has the advantage of an extremely simple and economical embodiment of the assembly of the rectangular frame constituting the anterior legs and the back support, with the square frame constituting the seat surface support and with the U-shaped frame constituting the rear legs, giving the possibility of adjusting the seat in the flat position of non-use, and ease of operation to bring it into the open position.

Claims

CLAIM

Joint for armchair or folded chair to be inserted between the rectangular frame, which constitutes the front seat support and which supports the back of the seat, and the square frame which constitutes the seat surface and the curved U-shaped element which constitutes the rear support of the seat, articulation characterized in that it comprises a rectilinear segment (6) of cross section identical to that of the U-shaped curved tube (1) which constitutes the rear support of the seat, as well as a block (7) comprising a saddle (8) inclined at 45 degrees relative to the axis of the segment (6), against which the central frame (3) of the seat surface is supported, as well as a lateral half-saddle (9) also inclined at 45 degrees relative to the axis of the rectilinear segment (6), but in the opposite direction, against which the vertical side of the rectangular frame (2) which forms the front support of the seat rests, as well as a central appendage comprising the penetration (10) through which el passes the axis which joins the two frames (2 and 3) of the seat, the articulation assembly being designed in such a way that it gives the possibility of stabilizing the seat in the two positions, respectively folded and open of the seat , the first corresponding to a coplanar position of all the elements which constitute the seat, that is to say the anterior and the posterior part, facilitating packing in compact form, thus reducing the costs of transport and shopping.