EP1708593A1 - Chair system with a suspended balanced inclination seat adjustable by a body weight only - Google Patents

Chair system with a suspended balanced inclination seat adjustable by a body weight only

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Publication number
EP1708593A1
EP1708593A1 EP04787406A EP04787406A EP1708593A1 EP 1708593 A1 EP1708593 A1 EP 1708593A1 EP 04787406 A EP04787406 A EP 04787406A EP 04787406 A EP04787406 A EP 04787406A EP 1708593 A1 EP1708593 A1 EP 1708593A1
Authority
EP
European Patent Office
Prior art keywords
seat
user
inclination
suspended
carriage
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
EP04787406A
Other languages
German (de)
French (fr)
Other versions
EP1708593B1 (en
Inventor
Yann Guehria
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Guehria Yann
Original Assignee
Individual
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Filing date
Publication date
Application filed by Individual filed Critical Individual
Publication of EP1708593A1 publication Critical patent/EP1708593A1/en
Application granted granted Critical
Publication of EP1708593B1 publication Critical patent/EP1708593B1/en
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • A47C3/02—Rocking chairs
    • A47C3/025—Rocking chairs with seat, or seat and back-rest unit elastically or pivotally mounted in a rigid base frame
    • A47C3/0255—Rocking chairs with seat, or seat and back-rest unit elastically or pivotally mounted in a rigid base frame pivotally mounted in the base frame, e.g. swings
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47C—CHAIRS; SOFAS; BEDS
    • A47C1/00—Chairs adapted for special purposes
    • A47C1/02—Reclining or easy chairs
    • A47C1/031—Reclining or easy chairs having coupled concurrently adjustable supporting parts
    • A47C1/034—Reclining or easy chairs having coupled concurrently adjustable supporting parts the parts including a leg-rest or foot-rest
    • A47C1/035—Reclining or easy chairs having coupled concurrently adjustable supporting parts the parts including a leg-rest or foot-rest in combination with movably coupled seat and back-rest, i.e. the seat and back-rest being movably coupled in such a way that the extension mechanism of the foot-rest is actuated at least by the relative movements of seat and backrest

Definitions

  • the present invention relates to a seat system with an ergonomic and relaxing suspended seat, adjustable, with complete and secure variable inclination, balanced by the sole weight of the body without mechanism or notch.
  • Some seat systems allow a variable inclination but allow only partial physical relaxation of the body, not supporting it in its entirety from head to toe or having a rigid non-ergonomic seat.
  • Other seat systems have a flexible seat but do not have any adjustment of the length of this seat or of the position of the headrest, being unable to adapt precisely to the different morphologies of the users.
  • Certain other seat systems allow a variable inclination but only allow a partial or limited inclination, allowing either only the inclination of the seat back alone, or only a maximum inclination in a semi-extended position, or a tilt simultaneously causing variation and deformation of the shape of the seat base and therefore limited by the friction of the base on the ground.
  • the system according to the present invention supplements and improves on the existing variable-tilt seat systems as follows: 1) Suspended, ergonomic and relaxing seating system: By the following 2 methods, the system according to the present invention in fact allows ergonomic support of the entire body of the user, causing muscle and circulatory relaxation and relaxation real whatever the inclination adopted:
  • the 1st process consists of a flexible seat, adapting ergonomically to the shape of the user's body, seat suspended at the 2 ends of the seat carriage and supported at the knees, associated with a support - removable and adjustable head and an integrated footrest. The entire body of the user is thus permanently supported from head to toe in all the positions permitted by the seat.
  • This flexible suspended seat distributes and supports
  • the system according to the present invention allows an adjustment of the shape of the seat to adjust it to the morphology of its user.
  • 2-a) The first process allows the shortening or lengthening of this seat depending on the size of the user. This process is based on a system for adjusting the front or rear of the attachment bar of the seat in its lower part by points
  • the system according to the present invention consists of a seat (see method 1), suspended on a tilting and deformable seat carriage longitudinally and reversibly on a fixed, rigid and non-deformable base, independently of this base and without modification thereof. , while having a system of safety stops fixed on the base, controlling the rear rocker as far as it will go.
  • the system according to the present invention allows a variable, complete and secure inclination of the seat, allowing the user to modify the inclination of the seat from the sitting position to the lying position, with all the positions possible intermediates, without risk of overturning in maximum rear position.
  • the 1st process is based on the constitution of the base of the seat carriage in a deformable centered semi-parallelepiped consisting of 2 semi-quadrilaterals joined together, equilateral deformable and symmetrical in 2 parallel planes focusing the structure seat, allowing the free rotation of the seat / seat trolley assembly suspended on the stable and rigid base:
  • This deformable semi-parallelepiped is defined by the meeting of the 3 rigid parts constituting the seat carriage, fixed and pivoting between them and on the base, this meeting forming 2 symmetrical equilateral semi-quadrilaterals in the 2 parallel planes, their equilaterality being defined by the equal distance between the 4 vertex points of the 2 quadrilaterals one by one.
  • the parallelepiped thus formed is deformable longitudinally and symmetrically by pivot on the stable base around its 2 fixed upper axes and around its 2 lower axes, these 4 axes being parallel and perpendicular to the 2 parallel planes axing the structure.
  • the 2 nd process is constituted by the interaction by rotation of the previous parallelepiped on the rest of the structure of the seat carriage (backrest and footrest), of which it is a constituent part.
  • the seat carriage fixed and swiveling freely on the stable and non-deformable base, supports and supports the seat, itself supporting the user. Any deformation and elongation of the seat carriage causes deformation and elongation of the seat and therefore the variation in inclination of the position of the user.
  • the system according to the present invention allows a control and a balance of the inclination of the seat structure / seat trolley by the sole weight of the body of the user, without mechanism or notch.
  • This system is enabled by a process of alignment and interaction on the same axis of the body weight of the user in the seat cushion and the center of balance of the seat carriage.
  • This alignment process connects: - the point of balance of the user's body weight at the center of the flexible seat suspended and fixed at its 2 ends and supported and sliding freely at the knees (see process 1), on 3 constituent bars of the seat carriage itself fixed and swiveling on a stable and rigid base (see method 3), the whole of the seat carriage being balanced on: - the centering point of the deformable parallelepiped previously defined ( see process 3), located at the intersection of the axes joining its opposite vertices and constituting the point of balance of the seat carriage.
  • the two points above superimposed define an axis connecting the point of balance of the body weight of the user to that of the trolley.
  • FIG. 1 shows the system of the present invention in its starting seating configuration
  • FIG. 10 - Figure 2 shows the system of the present invention in its variation of maximum inclination Description of the system:
  • this system has 3 main components: 1. a flexible seat (A), equipped with a removable headrest (E) fixed by fasteners, adjustable lateral c (L1, L2) (laces, Velcro, presses or other method of fastening).
  • L1, L2 adjustable lateral c
  • This seat is fixed and / or suspended on the seat carriage: - at its 2 ends on 2 bars (T2, T5), so as to slide freely in rotation (gussets or other method of fixing), T5 being fixed and T2 removable to allow attachment and adjustment of the seat length 0 - at the knees on a fixed bar (Tl), so as to slide freely - at the ankles on a fixed bar (T3), so as to slide freely 2.
  • a seat trolley made up of 3 rigid parts, fixed and swiveling between them (B1, B2, B3), jointly constituting the back and seat frames, and organized as follows:
  • 25 - Bl a rigid semi-parallelogram with 3 U-shaped sides, supporting the seat on its upper side (T5), fixed and pivoting at its 2 lower ends by 2 symmetrical rotation points (4), fitted with anti-friction seals , along an axis (X4), on 2 planes parallel to each other perpendicular to this axis, on: - B2: a rigid parallelogram with 4 sides, forming an integrated footrest (R) on its front side, equipped with the 2 transverse bars allowing the sliding (T3) and the fixing and the adjustment in length (T2) of the seat, B2 being fixed and pivoting in 2 symmetrical points of rotation (3), equipped with anti-friction joints, along an axis (X3) parallel to X4, on the same 2 previous parallel planes on: - B3: a rigid semi-parallelogram with 3 sides, its upper side being offset at its 2 ends towards the inside of the parallelogram to form a transverse fixed bar (Tl) supporting the seat at the knees of the seated
  • a stable and rigid base resting on the ground, consisting of symmetrical non-deformable elements forming a base and armrests (F), incorporating safety stops (S) controlling the rocking of the seat in the rear position.
  • the deformable parallelepiped constituted by P1 / P2, fixed and rotatable on an undeformable base, is balanced in its rotation around its center located in (G '), intersection of the axes joining the opposite vertices of the parallelepiped.
  • This center constitutes with the center of equilibrium of the user's body weight (G) an axis parallel to the vertical axes b) a distance from axes XI and X2 to the ground greater than the height of the 2 quadrilaterals P1 / P2 (points 1 - 3 and 2 - 4), to allow the suspension of the seat carriage on the base allowing the free tilting of the carriage around G without friction on the ground.
  • This seat system with ergonomic and relaxing suspended seat, adjustable, with complete and secure variable inclination balanced by the body weight can be used: in all the usual materials of the furniture sector (metal, wood, composite materials or others) and in various structural forms (rounded, angular, etc.), therefore not being subject to fashion phenomena - for all economic sectors requiring practical and comfortable furniture (thalassotherapy, hotel equipment, decoration, garden center, ...
  • the footrest (R) integrated in the seat carriage naturally follows the lengthening or straightening of the carriage, supporting the legs in all positions.
  • the simple transfer of his body weight by the user therefore causes the controlled dynamic tilting of the entire seat seating system, lengthening or straightening, partially or completely, the seat according to the desired position. All the positions obtained are stable and require no effort to be maintained.

Abstract

The system has three longitudinal deformable parallelepipeds (B1-B3), and a flexible seat (A) suspended on a seat carriage and sliding at a level of knee and ankles on bars of the seat carriage. Two symmetric deformable quadrilaterals (P1, P2) support the seat and pivot freely with respect to a fixed base (C) to permit variable inclination of the seat, where the inclination is secured by stop pins.

Description

DESCRIPTION DE L'INVENTION DESCRIPTION OF THE INVENTION
Système de siège à assise suspendue ajustable à inclinaison équilibrée par le seul poids du corps .Seat system with adjustable suspended seat with balanced inclination by the sole weight of the body.
La présente invention concerne un système de siège à assise suspendue ergonomique et relaxante, ajustable, à inclinaison variable complète et sécurisée, équilibrée par le seul poids du corps sans mécanisme ni cran .The present invention relates to a seat system with an ergonomic and relaxing suspended seat, adjustable, with complete and secure variable inclination, balanced by the sole weight of the body without mechanism or notch.
Certains systèmes de siège permettent une inclinaison variable mais n'autorisent qu'une relaxation physique partielle du corps, ne le soutenant pas dans son intégralité de la tête aux pieds ou présentant une assise rigide non ergonomique . D'autre systèmes de siège présentent une assise souple mais ne disposent d'aucun réglage de la longueur de cette assise ni de la position de l'appui-tête, ne pouvant s'adapter précisément aux différentes morphologies des utilisateurs .Some seat systems allow a variable inclination but allow only partial physical relaxation of the body, not supporting it in its entirety from head to toe or having a rigid non-ergonomic seat. Other seat systems have a flexible seat but do not have any adjustment of the length of this seat or of the position of the headrest, being unable to adapt precisely to the different morphologies of the users.
Certains autres systèmes de siège permettent une inclinaison variable mais n'autorisent qu'une inclinaison partielle ou limitée, ne permettant soit que l'inclinaison du seul dossier du siège, soit qu'une inclinaison maximale en une position demi allongée, soit qu'une inclinaison entraînant simultanément une variation et une déformation de la forme de la base du siège et donc limitée par le frottement de la base sur le sol.Certain other seat systems allow a variable inclination but only allow a partial or limited inclination, allowing either only the inclination of the seat back alone, or only a maximum inclination in a semi-extended position, or a tilt simultaneously causing variation and deformation of the shape of the seat base and therefore limited by the friction of the base on the ground.
Enfin, d'autres systèmes de siège à inclinaison variable sont conditionnés par l'obligation pour l'utilisateur de quitter ou de se déplacer de sa position assise, ou de mettre en œuvre des crans ou mécanismes additifs, électriques ou autres, ou de développer un effort particulier pour incliner ou redresser le siège .Finally, other seat systems with variable inclination are conditioned by the obligation for the user to leave or move from his sitting position, or to implement additive, electric or other notches or mechanisms, or to develop a special effort to tilt or straighten the seat.
Le système selon la présente invention complète et perfectionne les systèmes de siège à inclinaison variable existants comme suit : 1) Système d'assise suspendue, ergonomique et relaxante : Par les 2 procédés suivants, le système selon la présente invention permet en effet un soutien ergonomique de l'ensemble du corps de l'utilisateur, entraînant une détente et une relaxation musculaire et circulatoire réelle quelle que soit l'inclinaison adoptée :The system according to the present invention supplements and improves on the existing variable-tilt seat systems as follows: 1) Suspended, ergonomic and relaxing seating system: By the following 2 methods, the system according to the present invention in fact allows ergonomic support of the entire body of the user, causing muscle and circulatory relaxation and relaxation real whatever the inclination adopted:
5 1-a) Le 1er procédé consiste en une assise souple, s'adaptant ergonomiquement à la forme du corps de l'utilisateur, assise suspendue aux 2 extrémités du chariot d'assise et soutenue au niveau des genoux, associée à un appuie-tête amovible et réglable et un repose-pieds intégré . L'ensemble du corps de l'utilisateur est ainsi soutenu en permanence de la tête aux pieds dans toutes les positions permises par le siège. Cette assise souple suspendue répartit et soutient5 1-a) The 1st process consists of a flexible seat, adapting ergonomically to the shape of the user's body, seat suspended at the 2 ends of the seat carriage and supported at the knees, associated with a support - removable and adjustable head and an integrated footrest. The entire body of the user is thus permanently supported from head to toe in all the positions permitted by the seat. This flexible suspended seat distributes and supports
10 complètement le poids du corps et permet une détente musculaire quelle que soit l'inclinaison choisie. 1-b) l'ensemble du corps étant ainsi soutenu en permanence, il bénéficie d'un 2nd procédé de repose-pied solidaire de l'assise dans ses variations d'inclinaison . L'assise suspendue sur le chariot d'assise entraînant et soutenant solidairement et10 completely the weight of the body and allows a muscular relaxation whatever the inclination chosen. 1-b) the whole body being thus permanently supported, it benefits from a 2 nd method of footrest secured to the seat in its variations in inclination. The seat suspended on the seat carriage driving and supporting it jointly and
15 complètement le corps de l'utilisateur dans toutes les positions (voir procédé 1-a de soutien du corps), le corps peut s'incliner en position allongée maximale (voir procédé 3 d'inclinaison basculante), les pieds étant alors simultanément relevés et soutenus par le repose-pieds intégré dans le chariot d'assise, permettant la détente circulatoire du corps de l'utilisateur . 2) Système d'ajustement de conformation d'assise15 completely the user's body in all positions (see method 1-a of body support), the body can tilt in the maximum extended position (see method 3 of tilting tilt), the feet then being simultaneously raised and supported by the footrest integrated into the seat carriage, allowing the circulatory relaxation of the user's body. 2) Seat conformation adjustment system
20 Par les 2 procédés suivants, le système selon la présente invention permet un réglage de la conformation de l'assise pour l'ajuster à la morphologie de son utilisateur . 2-a) Le premier procédé permet le raccourcissement ou l'allongement de cette assise en fonction de la taille de l'utilisateur . Ce procédé est basé sur un système de réglage vers l'avant ou vers l'arrière de la barre d'attache de l'assise en sa partie inférieure par des pointsBy the following 2 methods, the system according to the present invention allows an adjustment of the shape of the seat to adjust it to the morphology of its user. 2-a) The first process allows the shortening or lengthening of this seat depending on the size of the user. This process is based on a system for adjusting the front or rear of the attachment bar of the seat in its lower part by points
25 d'attache sur le chariot d'assise, la barre d'attache de l'assise en sa partie supérieure restant fixe . Ces points d'attache symétriques permettent de régler la longueur d'assise et sa tension par l'avance ou le recul de cette barre de fixation . On peut donc raccourcir ou rallonger l'assise en fonction de la taille de l'utilisateur . 2-b) Le second procédé permet le repositionnement de l'appui-tête sur l'assise en fonction de25 of attachment to the seat carriage, the seat attachment bar in its upper part remaining fixed. These symmetrical attachment points make it possible to adjust the seat length and its tension by advancing or retreating this fixing bar. We can therefore shorten or lengthen the seat depending on the size of the user. 2-b) The second process allows the headrest to be repositioned on the seat according to
~ç. la taille de l'utilisateur . Ce procédé est permis par le système amovible et réglable de la position en hauteur de cet appui-tête, par des pattes latérales auto-adhésives fixant et tendant le coussin sur la partie dossier du chariot d'assise . On peut donc positionner exactement l'appui-tête en fonction de la taille de l'utilisateur . 3) Système de siège à inclinaison variable complète et sécuriséeÇ ~. the size of the user. This process is enabled by the removable and adjustable system of the height position of this headrest, by self-adhesive side tabs fixing and stretching the cushion on the back part of the seat carriage. We can therefore position the headrest exactly according to the size of the user. 3) Complete and secure variable recline seat system
Le système selon la présente invention est constitué d'une assise (voir procédé 1), suspendue sur chariot d'assise basculant et deformable longitudinalement et réversiblement sur une base fixe, rigide et indéformable, indépendamment de cette base et sans modification de celle-ci, tout en disposant d'un système d'arrêtoirs de sécurité fixés sur la base, contrôlant en butée la bascule arrière .The system according to the present invention consists of a seat (see method 1), suspended on a tilting and deformable seat carriage longitudinally and reversibly on a fixed, rigid and non-deformable base, independently of this base and without modification thereof. , while having a system of safety stops fixed on the base, controlling the rear rocker as far as it will go.
Par les 3 procédés suivants, le système selon la présente invention permet une inclinaison variable , complète et sécurisée de l'assise, permettant à l'utilisateur de modifier l'inclinaison du siège de la position assise à la position allongée, avec toutes les positions intermédiaires possibles, sans risque de renversement en position arrière maximale .By the following 3 methods, the system according to the present invention allows a variable, complete and secure inclination of the seat, allowing the user to modify the inclination of the seat from the sitting position to the lying position, with all the positions possible intermediates, without risk of overturning in maximum rear position.
3-a) Le 1er procédé est basé sur la constitution de la base du chariot d'assise en un semi- parallélépipède centré deformable constitué de 2 semi-quadrilatères joints entre eux, équilatéraux déformables et symétriques dans 2 plans parallèles axant la structure du siège, autorisant la libre rotation de l'ensemble assise/chariot d'assise suspendu sur la base stable et rigide :3-a) The 1st process is based on the constitution of the base of the seat carriage in a deformable centered semi-parallelepiped consisting of 2 semi-quadrilaterals joined together, equilateral deformable and symmetrical in 2 parallel planes focusing the structure seat, allowing the free rotation of the seat / seat trolley assembly suspended on the stable and rigid base:
- Ce semi-parallélépipède deformable est défini par la réunion des 3 parties rigides constitutives du chariot d'assise, fixées et pivotantes entre elles et sur la base, cette réunion formant 2 semi-quadrilatères équilatéraux symétriques dans les 2 plans parallèles, leur équilatéralité étant définie par la distance égale entre les 4 points sommets des 2 quadrilatères un par un .- This deformable semi-parallelepiped is defined by the meeting of the 3 rigid parts constituting the seat carriage, fixed and pivoting between them and on the base, this meeting forming 2 symmetrical equilateral semi-quadrilaterals in the 2 parallel planes, their equilaterality being defined by the equal distance between the 4 vertex points of the 2 quadrilaterals one by one.
- Ces 2 semi-quadrilatères équilatéraux symétriques dans 2 plans parallèles sont chacun fixé et pivotant par rotation sur la base stable en 2 points fixes à leurs 2 extrémités supérieures autour de 2 axes imaginaires fixes parallèles entres eux et perpendiculaires aux 2 plans précédents, et fixés et pivotant par rotation en 2 points constitués par leurs 2 angles inférieurs autour de 2 autres axes parallèles aux précédents. Ces 2 semi-quadrilatères équilatéraux sont donc déformables longitudinalement en losanges équilatéraux aplatis par rotation autour de leurs 4 angles dans les 2 plans parallèles précédents .- These 2 symmetrical equilateral semi-quadrilaterals in 2 parallel planes are each fixed and pivoted by rotation on the stable base at 2 fixed points at their 2 upper ends around 2 imaginary fixed fixed axes between them and perpendicular to the 2 previous planes, and fixed and pivoting by rotation at 2 points constituted by their 2 lower angles around 2 other axes parallel to the previous ones. These 2 equilateral semi-quadrilaterals are therefore deformable longitudinally into equilateral diamonds flattened by rotation around their 4 angles in the 2 previous parallel planes.
- Le parallélépipède ainsi constitué est deformable longitudinalement et symétriquement par pivot sur la base stable autour de ses 2 axes supérieurs fixes et autour de ses 2 axes inférieurs , ces 4 axes étant parallèles et perpendiculaires aux 2 plans parallèles axant la structure . 3-b) Le 2nd procédé est constitué par l'interaction par rotation du précédent parallélépipède sur le reste de la structure du chariot d'assise (dossier et repose-pieds), dont il est partie constituante .- The parallelepiped thus formed is deformable longitudinally and symmetrically by pivot on the stable base around its 2 fixed upper axes and around its 2 lower axes, these 4 axes being parallel and perpendicular to the 2 parallel planes axing the structure. 3-b) The 2 nd process is constituted by the interaction by rotation of the previous parallelepiped on the rest of the structure of the seat carriage (backrest and footrest), of which it is a constituent part.
Le chariot d'assise, fixé et pivotant librement sur la base stable et indéformable, supporte et soutient l'assise, elle-même soutenant l'utilisateur . Toute déformation et allongement du chariot d'assise entraîne la déformation et l'allongement de l'assise et donc la variation d'inclinaison de la position de l'utilisateur .The seat carriage, fixed and swiveling freely on the stable and non-deformable base, supports and supports the seat, itself supporting the user. Any deformation and elongation of the seat carriage causes deformation and elongation of the seat and therefore the variation in inclination of the position of the user.
3-c) Le 3eme procédé permet le contrôle de la variation arrière maximale de l'allongement et de la bascule de l'ensemble de la structure assise/chariot d'assise : ce contrôle est assuré par l'existence en butée de 2 arrêtoirs de sécurité fixés sur la base stable et indéformable sur lesquels vient « buter » le chariot d'assise dans sa partie haute .3-c) The 3 rd process allows the control of the maximum rear variation of the elongation and the tilt of the whole of the seat structure / seat trolley: this control is ensured by the existence in stop of 2 safety stops fixed on the stable and non-deformable base on which the seat trolley comes to "abut" in its upper part.
4) Système de siège à inclinaison équilibrée par le seul poids du corps4) Seat system with tilting balanced by body weight alone
Le système selon la présente invention permet un contrôle et un équilibre de l'inclinaison de la structure assise/chariot d'assise par le seul poids du corps de l'utilisateur, sans mécanisme ni cran . Ce système est permis par un procédé d'alignement et d'interaction sur un même axe du poids du corps de l'utilisateur dans l'assise du siège et du centre d'équilibre du chariot d'assise . Ce procédé d'alignement relie : - le point d'équilibre du poids du corps de l'utilisateur au centre de l'assise souple suspendue et fixée en ses 2 extrémités et soutenue et coulissant librement au niveau des genoux (voir procédé 1), sur 3 barres constituantes du chariot d'assise lui-même fixé et pivotant sur une base stable et rigide (voir procédé 3), l'ensemble du chariot d'assise étant équilibrée sur : - le point de centrage du parallélépipède deformable précédemment défini (voir procédé 3), situé à l'intersection des axes joignant ses sommets opposés et constituant le point d'équilibre du chariot d'assise . Les deux points ci-dessus superposés définissent un axe reliant le point d'équilibre du poids du corps de l'utilisateur à celui du chariot d'assise . Le parallélépipède base du chariot d'assise étant constitué de 2 quadrilatères équilatéraux (voir procédé 3), cet axe est parallèle aux axes verticaux de ces 2 quadrilatères et donc au plan d'inclinaison de l'ensemble du chariot d'assise. L'ensemble assise/chariot d'assise étant interactif et pivotant (voir procédé 3), tout transfert du poids du corps de l'utilisateur sur l'assise implique le déplacement réciproque inversé du point de centrage du chariot sur leur axe d'alignement et la déformation corollaire longitudinale du parallélépipède et du chariot d'assise : l'inclinaison du siège suit le poids du corps . Le descriptif et la mise en œuvre des précédents procédés selon la présente invention sont illustrés dans les figures 1 et 2 suivantes : - la figure 1 présente le système de la présente invention dans sa configuration assise de départ,The system according to the present invention allows a control and a balance of the inclination of the seat structure / seat trolley by the sole weight of the body of the user, without mechanism or notch. This system is enabled by a process of alignment and interaction on the same axis of the body weight of the user in the seat cushion and the center of balance of the seat carriage. This alignment process connects: - the point of balance of the user's body weight at the center of the flexible seat suspended and fixed at its 2 ends and supported and sliding freely at the knees (see process 1), on 3 constituent bars of the seat carriage itself fixed and swiveling on a stable and rigid base (see method 3), the whole of the seat carriage being balanced on: - the centering point of the deformable parallelepiped previously defined ( see process 3), located at the intersection of the axes joining its opposite vertices and constituting the point of balance of the seat carriage. The two points above superimposed define an axis connecting the point of balance of the body weight of the user to that of the trolley. The base parallelepiped of the seat carriage being made up of 2 equilateral quadrilaterals (see method 3), this axis is parallel to the vertical axes of these 2 quadrilaterals and therefore to the inclination plane of the whole of the seat carriage. As the seat / seat trolley assembly is interactive and swivel (see method 3), any transfer of the weight of the user's body onto the seat implies the reciprocal reverse movement of the center point of the trolley on their alignment axis and the longitudinal corollary deformation of the parallelepiped and the seat carriage: the inclination of the seat follows the weight of the body. The description and the implementation of the previous methods according to the present invention are illustrated in the following FIGS. 1 and 2: FIG. 1 shows the system of the present invention in its starting seating configuration,
10 - la figure 2 présente le système de la présente invention dans sa variation d'inclinaison maximale Descriptif du système : En référence à ces 2 figures, ce système comporte 3 grandes composantes : 1. une assise souple (A), équipée d'un appui-tête (E) amovible et fixé par des attaches , c latérales réglables (Ll, L2) (lacets, scratch, pressions ou autre mode d'attache) . Cette assise est fixée et/ou suspendue sur la chariot d'assise : - en ses 2 extrémités sur 2 barres (T2, T5), de manière à coulisser librement en rotation (goussets ou autre mode de fixation), T5 étant fixe et T2 amovible pour permettre la fixation et le réglage de la longueur d'assise 0 - au niveau des genoux sur une barre fixe (Tl), de manière à coulisser librement - au niveau des chevilles sur une barre fixe (T3), de manière à coulisser librement 2. un chariot d'assise composé de 3 parties rigides, fixées et pivotantes entre elles (Bl, B2, B3) , constituant conjointement les cadres du dossier et de l'assise, et s'organisant comme suit:10 - Figure 2 shows the system of the present invention in its variation of maximum inclination Description of the system: With reference to these 2 figures, this system has 3 main components: 1. a flexible seat (A), equipped with a removable headrest (E) fixed by fasteners, adjustable lateral c (L1, L2) (laces, Velcro, presses or other method of fastening). This seat is fixed and / or suspended on the seat carriage: - at its 2 ends on 2 bars (T2, T5), so as to slide freely in rotation (gussets or other method of fixing), T5 being fixed and T2 removable to allow attachment and adjustment of the seat length 0 - at the knees on a fixed bar (Tl), so as to slide freely - at the ankles on a fixed bar (T3), so as to slide freely 2. a seat trolley made up of 3 rigid parts, fixed and swiveling between them (B1, B2, B3), jointly constituting the back and seat frames, and organized as follows:
25 - Bl : un semi parallélogramme rigide à 3 côtés en U, supportant l'assise sur son côté supérieur (T5), fixé et pivotant à ses 2 extrémités inférieures par 2 points de rotation symétriques (4), équipés de joints anti-friction, suivant un axe (X4), sur 2 plans parallèles entre eux perpendiculaires à cet axe, sur : - B2 : un parallélogramme rigide à 4 côtés, formant repose-pieds intégré (R) sur son côté 30 avant, équipé des 2 barres transversales permettant le coulissement (T3) et la fixation et le réglage en longueur (T2) de l'assise, B2 étant fixé et pivotant en 2 points de rotation symétriques (3), équipés de joints anti-friction, suivant un axe (X3) parallèle à X4, sur les mêmes 2 plans parallèles précédents sur : - B3 : un semi parallélogramme rigide à 3 côtés, son côté supérieur étant décalé à ses 2 extrémités vers l'intérieur du parallélogramme pour constituer une barre fixe transversale (Tl) soutenant l'assise au niveau des genoux de l'utilisateur assis et permettant le coulissement libre de celle-ci dans la bascule . Bl, B2 et B3 étant assemblés et rotatifs entre eux tel que ci-dessus, la structure du chariot d'assise ainsi constituée est suspendue et fixée sur une base stable en 4 derniers points de rotation symétriques 2 par 2 (1 et 2), équipés de joints anti-friction, suivant les 2 axes parallèles entre eux (XI et X2), eux-mêmes parallèles à X3 et X4 . Sont ainsi définis 2 quadrilatères équilatéraux symétriques (P1/P2) dans 2 plans parallèles déformables en losanges aplatis autour de leurs 4 angles et formant entre eux un parallélépipède deformable symétriquement entre les plans parallèles précédents définis autour des points 1, 2, 3 et 4, par rotation sur : 25 - Bl: a rigid semi-parallelogram with 3 U-shaped sides, supporting the seat on its upper side (T5), fixed and pivoting at its 2 lower ends by 2 symmetrical rotation points (4), fitted with anti-friction seals , along an axis (X4), on 2 planes parallel to each other perpendicular to this axis, on: - B2: a rigid parallelogram with 4 sides, forming an integrated footrest (R) on its front side, equipped with the 2 transverse bars allowing the sliding (T3) and the fixing and the adjustment in length (T2) of the seat, B2 being fixed and pivoting in 2 symmetrical points of rotation (3), equipped with anti-friction joints, along an axis (X3) parallel to X4, on the same 2 previous parallel planes on: - B3: a rigid semi-parallelogram with 3 sides, its upper side being offset at its 2 ends towards the inside of the parallelogram to form a transverse fixed bar (Tl) supporting the seat at the knees of the seated user and allowing the free sliding of this one in the rocker. B1, B2 and B3 being assembled and rotatable together as above, the structure of the seat carriage thus formed is suspended and fixed on a stable base at the last 4 symmetrical rotation points 2 by 2 (1 and 2), fitted with anti-friction seals, along the 2 axes parallel to each other (XI and X2), themselves parallel to X3 and X4. Two symmetrical equilateral quadrilaterals (P1 / P2) are thus defined in 2 parallel planes deformable in diamonds flattened around their 4 angles and forming between them a deformable parallelepiped symmetrically between the previous parallel planes defined around points 1, 2, 3 and 4, by rotation on:
3. une base stable et rigide (C) reposant sur le sol, constituée d'éléments symétriques indéformables formant piètement et accoudoirs (F), intégrant des arrêtoirs de sécurité (S) contrôlant en butée la bascule de l'assise en position arrière .3. a stable and rigid base (C) resting on the ground, consisting of symmetrical non-deformable elements forming a base and armrests (F), incorporating safety stops (S) controlling the rocking of the seat in the rear position.
Les constantes et contraintes à respecter dans l'application de ce système pour qu'il fonctionne, et ce indépendamment de la forme de cette structure, sont : a) une équidistance entre les points de rotation 1, 2. 3 et 4, constituant ainsi 2 quadrilatères équilatéraux symétriques (Pl/P2^ dans 2 plans parallèles déformables en losanges, indépendamment de la distance séparant les 2 quadrilatères et donc les 2 plans . Le parallélépipède deformable constitué par P1/P2, fixés et rotatifs sur une base indéformable, est équilibré dans sa rotation autour de son centre situé en (G'), intersection des axes joignant les sommets opposés du parallélépipède . Ce centre constitue avec le centre d'équilibre du poids du corps (G) de l'utilisateur un axe parallèle aux axes verticaux des 2 quadrilatères . b) une distance des axes XI et X2 au sol supérieure à la hauteur des 2 quadrilatères P1/P2 (points 1 - 3 et 2 - 4), pour permettre la suspension du chariot d'assise sur la base autorisant la bascule libre du chariot autour de G sans frottement sur le sol .The constants and constraints to be respected in the application of this system for it to function, regardless of the shape of this structure, are: a) an equidistance between the points of rotation 1, 2. 3 and 4, thus constituting 2 symmetrical equilateral quadrilaterals (Pl / P2 ^ in 2 parallel planes deformable in diamonds, independently of the distance separating the 2 quadrilaterals and therefore the 2 planes. The deformable parallelepiped constituted by P1 / P2, fixed and rotatable on an undeformable base, is balanced in its rotation around its center located in (G '), intersection of the axes joining the opposite vertices of the parallelepiped. This center constitutes with the center of equilibrium of the user's body weight (G) an axis parallel to the vertical axes b) a distance from axes XI and X2 to the ground greater than the height of the 2 quadrilaterals P1 / P2 (points 1 - 3 and 2 - 4), to allow the suspension of the seat carriage on the base allowing the free tilting of the carriage around G without friction on the ground.
Ce système de siège à assise suspendue ergonomique et relaxante, ajustable, à inclinaison variable complète et sécurisée équilibrée par le poids du corps peut être déclinée : dans tous les matériaux usuels du secteur de l'ameublement (métal, bois, matières composites ou autres) et dans des formes de structure variées (arrondie, angulaire,..), n'étant donc pas soumis à des phénomènes de mode - à destination de tous les secteurs économiques requérant du mobilier pratique et confortable (thalassothérapie, équipements hôteliers, décoration, jardinerie,...This seat system with ergonomic and relaxing suspended seat, adjustable, with complete and secure variable inclination balanced by the body weight can be used: in all the usual materials of the furniture sector (metal, wood, composite materials or others) and in various structural forms (rounded, angular, etc.), therefore not being subject to fashion phenomena - for all economic sectors requiring practical and comfortable furniture (thalassotherapy, hotel equipment, decoration, garden center, ...
Mise en œuvre du systèmeSystem implementation
En référence aux figures 1/2 et 2/2, les différents procédés et interactions sont mis en œuvre par le seul utilisateur assis dans le siège comme suit : a) L'utilisateur transfère légèrement vers l'avant ou vers l'arrière son poids du corps (G) supporté par l'assise (A) pour obtenir la nouvelle position désirée, sans aucun développement d'effort . b) Ce transfert du poids du corps de l'utilisateur (G) modifie la position de l'axe imaginaire le reliant au centre du parallélépipède (G') c) entraînant simultanément :With reference to Figures 1/2 and 2/2, the various processes and interactions are implemented by the only user seated in the seat as follows: a) The user slightly transfers his weight forward or backward of the body (G) supported by the seat (A) to obtain the new desired position, without any development of effort. b) This transfer of the user's body weight (G) modifies the position of the imaginary axis connecting it to the center of the parallelepiped (G ') c) simultaneously causing:
- une déformation longitudinale symétrique du parallélépipède rendue possible spécifiquement par sa constitution en 2 quadrilatères équilatéraux symétriques dans 2 plans parallèles (Pl, P2) eux-même déformables en losanges aplatis, définis de chaque côté en joignant leurs points de rotation 1 - 2 - 3 et 4 , qui pivotent par rotation sur la base stable autour des 2 axes (XI, X2), ainsi qu'autour de 2 autres axes parallèles de rotation (X3, X4) . Ces 4 axes correspondent aux angles de rotation des quadrilatères (1, 2, 3, 4) .- a symmetrical longitudinal deformation of the parallelepiped made specifically possible by its constitution in 2 equilateral quadrilaterals symmetrical in 2 parallel planes (Pl, P2) themselves deformable into flat diamonds, defined on each side by joining their points of rotation 1 - 2 - 3 and 4, which rotate by rotation on the stable base around the 2 axes (XI, X2), as well as around 2 other parallel axes of rotation (X3, X4). These 4 axes correspond to the angles of rotation of the quadrilaterals (1, 2, 3, 4).
- un coulissement libre de l'assise (A), fixée et pivotant (T5, T2) sur le chariot d'assise équilibré et suspendu (Bl, B2, B3) qui pivote (XI, X2) sur une base stable et rigide (C), et coulissant librement au niveau des genoux sur la barre (Tl) et au niveau des chevilles (T3) Le transfert d'équilibre sur l'assise entraîne le transfert d'équilibre du chariot dans la nouvelle position d'équilibre . Le chariot d'assise subit donc par rotation autour de son centre et sur ses axes un double mouvement contrôlé par le poids du corps de bascule longitudinale et d'allongement (ou de redressement) dans le sens du déplacement de poids imprimé par l'utilisateur .- a free sliding of the seat (A), fixed and pivoting (T5, T2) on the balanced and suspended seat carriage (Bl, B2, B3) which pivots (XI, X2) on a stable and rigid base ( C), and sliding freely at the knees on the bar (Tl) and at the ankles (T3) The transfer of balance to the seat causes the transfer of balance from the carriage to the new position of balance. The seat carriage therefore undergoes, by rotation around its center and on its axes, a double movement controlled by the weight of the body of longitudinal rocker and of elongation (or straightening) in the direction of displacement of weight printed by the user. .
Le repose-pieds (R) intégré dans le chariot d'assise suit naturellement l'allongement ou le redressement du chariot, soutenant les jambes dans toutes les positions . Le simple transfert de son poids du corps par l'utilisateur entraîne donc le basculement dynamique contrôlé de l'ensemble du système d'assise du siège , allongeant ou redressant, partiellement ou complètement, le siège selon la position souhaitée . Toutes les positions obtenues sont stables et ne nécessitent aucun effort pour être maintenues . The footrest (R) integrated in the seat carriage naturally follows the lengthening or straightening of the carriage, supporting the legs in all positions. The simple transfer of his body weight by the user therefore causes the controlled dynamic tilting of the entire seat seating system, lengthening or straightening, partially or completely, the seat according to the desired position. All the positions obtained are stable and require no effort to be maintained.

Claims

REVENDICATIONS
1) Système de siège à assise suspendue ergonomique et relaxante comprenant une assise souple s' adaptant à la forme du corps (A), suspendue (T2, T5) sur un chariot d'assise (Bl, B2, B3), coulissant librement au niveau des genoux (Tl) et au niveau des chevilles (T3) sur 2 barres du chariot d'assise, équipée d'un coussin appui-tête réglable en hauteur (E) et d'un repose-pieds (R) intégré au chariot d'assise et se relevant solidairement avec l'inclinaison de l'assise, le système de siège à assise étant ajustable à la taille de l'utilisateur par un mode de réglage de la longueur de l'assise par modification de la position de la barre d'attache (T2) de la partie inférieure de l'assise et un mode de réglage de la position du coussin appui-tête (R), étant caractérisé en ce qu'il est constitué par la réunion de ses 3 parties constituantes (Bl, B2, B3) d'un parallélépipède deformable longitudinalement, constitué par 2 quadrilatères équilatéraux déformables symétriques (Pl, P2), dans 2 plans parallèles supportant l'assise (A) où se trouve l'utilisateur et pivotant librement par rotation sur la base fixe (C), permettant une inclinaison variable complète de l'assise. L'inclinaison est sécurisée par la présence d'arrêtoirs en butée (S) sur la base fixe (C). 2) Système de siège à assise suspendue ergonomique relaxante ajustable, permettant une inclinaison variable complète et sécurisée selon la revendication 1, caractérisée par l'axe d'alignement du poids du corps de l'utilisateur (G) dans l'assise (A) et du point de centrage du parallélépipède (G') . Toute modification de la position du poids du corps (G) entraîne conjointement une modification de l'axe d'alignement et donc de la position du point d'équilibre (G'), et la déformation du même parallélépipède suivant la revendication 1, entraînant la bascule de la structure du chariot d'assise supportant l'assise, et donc la bascule et l'allongement de cette assise par le seul poids du corps de l'utilisateur sans mécanisme ni cran . 1) Seat system with ergonomic and relaxing suspended seat comprising a flexible seat adapting to the shape of the body (A), suspended (T2, T5) on a seat carriage (Bl, B2, B3), sliding freely at knee level (Tl) and ankle level (T3) on 2 bars of the seat trolley, equipped with a height-adjustable headrest cushion (E) and a footrest (R) integrated into the trolley seat and standing up together with the inclination of the seat, the seat-to-seat system being adjustable to the size of the user by a mode of adjusting the length of the seat by modifying the position of the attachment bar (T2) of the lower part of the seat and a mode for adjusting the position of the headrest cushion (R), being characterized in that it is constituted by the meeting of its 3 constituent parts ( Bl, B2, B3) of a longitudinally deformable parallelepiped, consisting of 2 symmetrical deformable equilateral quadrilaterals risks (Pl, P2), in 2 parallel planes supporting the seat (A) where the user is located and pivoting freely by rotation on the fixed base (C), allowing a complete variable inclination of the seat. The inclination is secured by the presence of stops in abutment (S) on the fixed base (C). 2) Seat system with adjustable relaxing ergonomic suspended seat, allowing a complete and secure variable inclination according to claim 1, characterized by the axis of alignment of the body weight of the user (G) in the seat (A) and the center point of the parallelepiped (G '). Any modification of the position of the body weight (G) jointly causes a modification of the alignment axis and therefore of the position of the point of equilibrium (G '), and the deformation of the same parallelepiped according to claim 1, resulting in the rocking of the structure of the seat carriage supporting the seat, and therefore the rocking and the elongation of this seat by the sole weight of the body of the user without mechanism or notch.
EP04787406A 2003-09-24 2004-09-21 Chair system with a suspended balanced inclination seat adjustable by a body weight only Not-in-force EP1708593B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR0311172A FR2859890B1 (en) 2003-09-24 2003-09-24 ERGONOMIC AND RELAXING SUSPENDED SEAT SYSTEM, ADJUSTABLE, COMPLETELY AND SECURELY INCLINED, BALANCED BY THE SAME WEIGHT OF THE BODY WITHOUT MECHANISM OR CRAN
PCT/FR2004/002376 WO2005030006A1 (en) 2003-09-24 2004-09-21 Chair system with a suspended balanced inclination seat adjustable by a body weight only

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EP1708593A1 true EP1708593A1 (en) 2006-10-11
EP1708593B1 EP1708593B1 (en) 2010-08-25

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US7901435B2 (en) 2004-05-28 2011-03-08 Depuy Spine, Inc. Anchoring systems and methods for correcting spinal deformities
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CN103142044A (en) * 2013-04-11 2013-06-12 胡宗芳 Improved arm chair
RU167442U1 (en) * 2016-05-25 2017-01-10 Федеральное государственное бюджетное образовательное учреждение высшего профессионального образования "Амурский государственный университет" TRANSFORMABLE GARDEN FURNITURE MODULE

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WO2005030006A1 (en) 2005-04-07
MXPA06003296A (en) 2008-09-19
FR2859890B1 (en) 2005-12-02
CA2539700A1 (en) 2005-04-07
FR2859890A1 (en) 2005-03-25
ATE478585T1 (en) 2010-09-15
AU2004275541A1 (en) 2005-04-07
EP1708593B1 (en) 2010-08-25
JP2007507327A (en) 2007-03-29
US20060290183A1 (en) 2006-12-28
DE602004028869D1 (en) 2010-10-07

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