EP0689784A1 - Relax-chair - Google Patents
Relax-chair Download PDFInfo
- Publication number
- EP0689784A1 EP0689784A1 EP95420168A EP95420168A EP0689784A1 EP 0689784 A1 EP0689784 A1 EP 0689784A1 EP 95420168 A EP95420168 A EP 95420168A EP 95420168 A EP95420168 A EP 95420168A EP 0689784 A1 EP0689784 A1 EP 0689784A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- legs
- sliding
- articulated
- parallel
- side members
- 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
Links
- 210000001364 upper extremity Anatomy 0.000 claims abstract description 10
- 239000004033 plastic Substances 0.000 claims abstract description 3
- 229920003023 plastic Polymers 0.000 claims abstract description 3
- 239000002184 metal Substances 0.000 claims description 3
- 229930182556 Polyacetal Natural products 0.000 claims description 2
- 229920006324 polyoxymethylene Polymers 0.000 claims description 2
- 239000004744 fabric Substances 0.000 abstract description 4
- DHKHKXVYLBGOIT-UHFFFAOYSA-N acetaldehyde Diethyl Acetal Natural products CCOC(C)OCC DHKHKXVYLBGOIT-UHFFFAOYSA-N 0.000 abstract 1
- 125000002777 acetyl group Chemical class [H]C([H])([H])C(*)=O 0.000 abstract 1
- 230000008901 benefit Effects 0.000 description 4
- 230000000903 blocking effect Effects 0.000 description 3
- 239000004952 Polyamide Substances 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 2
- 229920002647 polyamide Polymers 0.000 description 2
Images
Classifications
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- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47C—CHAIRS; SOFAS; BEDS
- A47C4/00—Foldable, collapsible or dismountable chairs
- A47C4/04—Folding chairs with inflexible seats
- A47C4/18—Folding chairs with inflexible seats having a frame made of metal
- A47C4/20—Folding chairs with inflexible seats having a frame made of metal with legs pivotably connected to seat or underframe
- A47C4/24—Folding chairs with inflexible seats having a frame made of metal with legs pivotably connected to seat or underframe with cross legs
- A47C4/26—Folding chairs with inflexible seats having a frame made of metal with legs pivotably connected to seat or underframe with cross legs of adjustable type
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- 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 invention relates to a relaxation chair, more precisely of the type comprising a backrest and a legrest, reclining and folding for easy transport and storage.
- This type of armchair is widely used for the exterior (garden, camping %) or as an auxiliary armchair. It is not useful to describe it in detail.
- These armchairs generally consist of a base cooperating with three elements, namely a backrest, a seat and a legrest, on which a canvas is stretched.
- the articulation mechanism causes the inclination of the backrest to cause a similar inclination for the footrest, so that the inclination in the lying position allows the legs to be raised for better comfort (see for example the document US- A-2 195 091).
- the armrest is rigidly fixed to the base, and the transmission of movement between the backrest and the legrest is done by a sliding tube under the armrest, also sometimes called armrest. It follows that the armrest remains fixed whatever the inclination of the seat and does not accompany the user's arm in this inclination. This drawback detracts from comfort.
- the commonly chosen mechanical joints are bulky, and the folding and unfolding maneuvers are difficult, especially by children, since they require numerous movements. They are even dangerous in the areas of articulation, responsible for pinching.
- the upper end of the legs is integral with a sliding tube under the armrest, the position of which is adjusted by means of an adjustment screw.
- this solution has the drawback of having the blocking member which is difficult to access and whose position relative to the user varies as a function of the inclination of the seat.
- the actuation of the locking member cannot be done in the same movement as the inclination of the chair.
- the invention overcomes these drawbacks. It is aimed at a folding relaxation chair of the type in question, which is easy to unfold and fold, even by children, which presents no risk of pinching and is easy to lock in position, and provides certain comfort.
- the transmission of movement between the backrest and the legrest is effected by the deformation of the quadrilateral formed by the backrest, the legrest, the seat rails and the sliding rod of the armrest.
- the entire base is fixed, in particular the sliding yoke and the yoke located at the rear of the side member, so that the armrest moves at the same time as the backrest, from which it follows that, unlike the state of the art, the armrest follows the tilting movement.
- the combination of these characteristics contributes to a new and sought-after result, namely the translation of the armrests simultaneously with the inclination of the backrest and the legrest, which contributes to improving comfort.
- the backrest frame is closed and ergonomically curved.
- Figure 1 is a side view of the chair in the sitting position.
- Figure 2 is a view of the same chair in the fully folded position.
- Figure 3 is a detail view of the sliding member at the armrest.
- Figure 4 is a detailed view of the articulation of the legrest with the armrests.
- the armchair as presented in the seated position in FIG. 1, is made up of two sets having distinct functions, namely on the one hand, a base composed of two legs (35,36), articulated in (23) in the manner a trestle, and on the other hand, an assembly intended to receive a seated person and consisting of a backrest (1), a seat (2), a legrest (3), and two armrests (4).
- the backrest (1) is a closed frame, generally rectangular in shape and slightly curved to match the curve of the back.
- the seat rails (2) each consist of a metal tube, articulated rearwards at (22) on the vertical side of the backrest (1).
- the articulation takes place near the lower end of the side of the backrest (1), by means of a conventional U-shaped yoke (22) the bottom of which accommodates the beam (2) and to which it is welded, and the branches of which support an axis which crosses the side of the backrest (1).
- the position of these beams (2) is slightly inclined towards the rear.
- the two armrests (4) are articulated respectively at (24) and (20) on the one hand in the backrest (1) and on the other hand, in the leg rest (3). They are substantially parallel to the side members (2).
- Each armrest (4) comprises, under its lower face, a sliding rod (5) capable of being translated into the yoke (7) secured to the upper end of the front leg (36) of the base.
- the leg rest is formed by a U-shaped frame connected to the seat rails (2) and to the armrests (4).
- the articulation with the armrests (4) is done (see FIG. 4) by means of ball joints (20) connecting the ends of the armrests (4) and the ends of the legrest frame (3).
- the connection between the legrest (3) and the side members (2) is made by means of a conventional yoke (21) and this at a height making it possible to respect the parallelism between the armrests (4) and the side members (2).
- the base consists of two U-shaped legs (35,36).
- the two ends of the rear leg include welded yokes (23) in which the upper part of the front leg (36) is articulated.
- the front jamb (36) receives about halfway up a connecting rod (39) articulated around the rod (25) capable of pivoting in a vertical plane.
- the other end of this connecting rod is articulated on the yoke (10).
- the horizontal connecting parts of the legs (35,36) are equipped with non-slip pads (30,31).
- the base and the seat have two contact points, namely on the one hand the yoke (10) and on the other hand, the sliding yoke (7).
- the yoke (10) is integral with the seat spar (2) and allows the leg (35) to slide relative to this spar (2).
- the sliding yoke (7) is fixed to the upper end of the front leg (36) of the base. It allows the armrest rod (5) to slide relative to the base.
- the armrest (4) is connected to the leg rest (2) by a ball joint (20), a detail of which is presented in FIG. 4.
- the sliding rod (5) is housed in the front end of the armrest (4 ).
- This cylindrical end (50), of axis (51) perpendicular to the plane of symmetry of the chair, is extended towards the inside of the chair by another cylinder (52) of the same radius in receiving the upper end (53) of the legrest (3).
- the pivoting between these two pivoting cylinders about the same axis can be ensured by a friction washer (54). In a variant, this washer (54) is eliminated.
- This eccentric (8) is integral with the sliding yoke (7) and can pivot around an axis parallel to the sliding axis.
- This eccentric (8) includes a hole with a diameter close to that of the sliding rod (5), but the center of which is slightly offset from the pivot axis.
- the base remains fixed, and therefore the seat rails (2) are also stationary.
- the two yokes (21) and (22) are therefore fixed points too.
- the backrest and the legrest will therefore pivot around (21) and (22) following the front or rear movement of the rod (5) of the armrest.
- the eccentric When sliding is authorized, that is to say when you want to change the inclination of the chair, the eccentric is pivoted so that the hole in the eccentric (8) is aligned with the sliding rod. Conversely, when you want to block the inclination and keep the chair in the chosen position, you rotate the eccentric (8) so that the hole no longer coincides with the sliding rod (5). In this way, the inner edge of the eccentric hole (8) comes into contact with the sliding rod (5) and by friction prevents it from sliding.
- the unfolding of the chair is obtained by the reverse approach.
- the armrest is integral with the backrest. In this way, the seated person can benefit from the support of the armrest whatever the inclination of the seat. In addition, access to the locking member (8) is easy, because it is directly located under the cover of the armrest (4).
Landscapes
- Health & Medical Sciences (AREA)
- Dentistry (AREA)
- General Health & Medical Sciences (AREA)
- Chairs For Special Purposes, Such As Reclining Chairs (AREA)
- Chair Legs, Seat Parts, And Backrests (AREA)
- Seats For Vehicles (AREA)
Abstract
Description
L'invention concerne un fauteuil de relaxation, plus précisément du type comprenant un dossier et un repose-jambes, inclinables et repliables pour faciliter le transport et le rangement.The invention relates to a relaxation chair, more precisely of the type comprising a backrest and a legrest, reclining and folding for easy transport and storage.
Ce type de fauteuil est largement utilisé pour l'extérieur (jardin, camping...) ou comme fauteuil d'appoint. Il n'est pas utile de le décrire en détail.This type of armchair is widely used for the exterior (garden, camping ...) or as an auxiliary armchair. It is not useful to describe it in detail.
Ces fauteuils sont généralement constitués d'un piètement coopérant avec trois éléments, à savoir un dossier, une assise et un repose-jambes, sur lesquels est tendue une toile. Le mécanisme d'articulation fait que l'inclinaison du dossier provoque une inclinaison similaire pour le repose-pieds, de sorte que l'inclinaison en position couchée permet d'avoir les jambes relevées pour un meilleur confort (voir par exemple le document US-A-2 195 091).These armchairs generally consist of a base cooperating with three elements, namely a backrest, a seat and a legrest, on which a canvas is stretched. The articulation mechanism causes the inclination of the backrest to cause a similar inclination for the footrest, so that the inclination in the lying position allows the legs to be raised for better comfort (see for example the document US- A-2 195 091).
Néanmoins, dans cette solution, l'accotoir est fixé rigidement au piètement, et la transmission du mouvement entre le dossier et le repose-jambes, se fait par un tube coulissant sous l'accotoir, dénommé aussi parfois accoudoir. Il en résulte que l'accotoir reste fixe quelque soit l'inclinaison du siège et n'accompagne pas le bras de l'utilisateur dans cette inclinaison. Cet inconvénient nuit au confort. En outre, les articulations mécaniques communément choisies sont volumineuses, et les manoeuvres de pliage et dépliage sont difficiles, surtout par des enfants, car elles nécessitent de nombreux mouvements. Elles sont même dangereuses au niveau des zones d'articulation, responsables de pincements.However, in this solution, the armrest is rigidly fixed to the base, and the transmission of movement between the backrest and the legrest is done by a sliding tube under the armrest, also sometimes called armrest. It follows that the armrest remains fixed whatever the inclination of the seat and does not accompany the user's arm in this inclination. This drawback detracts from comfort. In addition, the commonly chosen mechanical joints are bulky, and the folding and unfolding maneuvers are difficult, especially by children, since they require numerous movements. They are even dangerous in the areas of articulation, responsible for pinching.
Dans une forme de réalisation largement exploitée par le Demandeur, l'extrémité supérieure des piètements est solidaire d'un tube coulissant sous l'accotoir, dont on règle la position au moyen d'une vis de réglage. Cette solution présente toutefois l'inconvénient d'avoir l'organe de blocage difficilement accessible, et dont la position par rapport à l'utilisateur varie en fonction de l'inclinaison du siège. En outre, l'actionnement de l'organe de blocage ne peut pas se faire dans le même mouvement que l'inclinaison du fauteuil.In an embodiment widely used by the Applicant, the upper end of the legs is integral with a sliding tube under the armrest, the position of which is adjusted by means of an adjustment screw. However, this solution has the drawback of having the blocking member which is difficult to access and whose position relative to the user varies as a function of the inclination of the seat. In addition, the actuation of the locking member cannot be done in the same movement as the inclination of the chair.
L'invention pallie ces inconvénients. Elle vise un fauteuil de relaxation pliant du type en question, qui soit facile à déplier et à replier, même par des enfants, qui ne présente pas de risque de pincement et est facile à bloquer en position, et apporte un confort certain.The invention overcomes these drawbacks. It is aimed at a folding relaxation chair of the type in question, which is easy to unfold and fold, even by children, which presents no risk of pinching and is easy to lock in position, and provides certain comfort.
D'une manière générale, l'invention concerne un fauteuil de relaxation du type comprenant :
- . un cadre formant dossier,
- . deux longerons parallèles formant assise, articulés au voisinage de l'extrémité inférieure du cadre dossier;
- . deux accotoirs parallèles entre eux et parallèles aux longerons d'assise, articulés sur les cadres dossiers;
- . un cadre en U formant repose-jambes, dont les deux branches sont articulées à l'extrémité des longerons, sur lesquels est tendue une toile accrochée au cadre et aux longerons par des moyens élastiques;
- . un piètement formé de deux jambages, respectivement avant et arrière, formés chacun de deux jambes parallèles solidaires des longerons, lesdits jambages étant articulés entre eux autour d'une chape,
caractérisé :
- en ce que chaque accotoir présente un axe de coulissement parallèle aux longerons;
- en ce que l'extrémité de chaque jambage avant présente une chape apte à coulisser sur ledit axe de coulissement et un moyen de blocage en position
- en ce que les jambes des jambages sont reliées entre elles par une bielle articulée, respectivement sur le jambage avant et sur une chape fixée à l'arrière du longeron, apte à autoriser le coulissement de chaque jambage arrière;
- et enfin, en ce que l'extrémité supérieure des branches du cadre repose-jambes est articulée à l'extrémité des accotoirs.
- . a frame forming a file,
- . two parallel side members forming a seat, articulated in the vicinity of the lower end of the backrest frame;
- . two armrests parallel to each other and parallel to the seat rails, articulated on the back frames;
- . a U-shaped frame forming a legrest, the two branches of which are articulated at the end of the side members, on which is stretched a canvas attached to the frame and to the side members by elastic means;
- . a base formed by two legs, respectively front and rear, each formed by two parallel legs integral with the side members, said legs being hinged together around a yoke,
characterized :
- in that each armrest has a sliding axis parallel to the side members;
- in that the end of each front leg has a yoke capable of sliding on said sliding axis and a locking means in position
- in that the legs of the legs are connected together by an articulated connecting rod, respectively on the front leg and on a yoke fixed to the rear of the side member, capable of allowing the sliding of each rear leg;
- and finally, in that the upper end of the branches of the legrest frame is articulated at the end of the armrests.
Autrement dit, la transmission du mouvement entre le dossier et le repose-jambes se fait par la déformation du quadrilatère formé par le dossier, le repose-jambes, les longerons d'assise et la tige coulissante de l'accotoir. Pendant ce mouvement, tout le piètement est fixe, notamment la chape coulissante et la chape située à l'arrière du longeron, de sorte que l'accotoir se déplace en même temps que le dossier, d'où il en s'ensuit que, contrairement à l'état de la technique, l'accotoir suit le mouvement d'inclinaison.In other words, the transmission of movement between the backrest and the legrest is effected by the deformation of the quadrilateral formed by the backrest, the legrest, the seat rails and the sliding rod of the armrest. During this movement, the entire base is fixed, in particular the sliding yoke and the yoke located at the rear of the side member, so that the armrest moves at the same time as the backrest, from which it follows that, unlike the state of the art, the armrest follows the tilting movement.
Ainsi, la combinaison de ces caractéristiques contribue à un résultat nouveau et recherché, à savoir la translation des accotoirs simultanément à l'inclinaison du dossier et du repose-jambe, ce qui contribue à améliorer le confort.Thus, the combination of these characteristics contributes to a new and sought-after result, namely the translation of the armrests simultaneously with the inclination of the backrest and the legrest, which contributes to improving comfort.
Dans une forme de réalisation esthétique et plus confortable, le cadre formant dossier est fermé et cintré ergonomiquement.In an aesthetic and more comfortable embodiment, the backrest frame is closed and ergonomically curved.
Avantageusement, en pratique:
- les longerons et les cadres sont en tube métallique;
- les jambages épousent la forme d'un U dirigé vers le haut et la portion de raccordement comporte des patins; autrement dit, les deux jambes avant et les deux jambes arrière du fauteuil sont reliées entre elles, ce qui augmente sa stabilité;
- les chapes caractéristiques de coulissement sont en matière plastique, notamment en polyacétal ou en polyamide;
- l'organe de blocage du fauteuil en position, est une came à excentrique.
- the side members and the frames are made of metal tube;
- the legs follow the shape of an U directed upwards and the connection portion comprises pads; in other words, the two front legs and the two rear legs of the chair are interconnected, which increases its stability;
- the characteristic sliding yokes are made of plastic, in particular polyacetal or polyamide;
- the locking member of the chair in position is an eccentric cam.
Dans une forme pratique de réalisation, l'axe d'articulation des branches du repose-jambes sur l'extrémité de l'accotoir, est constitué d'une rotule composée :
- d'une première rotule proprement dite dans laquelle s'engage l'extrémité du tube coulissant de l'accotoir;
- et d'une seconde rotule, généralement dirigée vers l'intérieur, dans laquelle s'engage l'extrémité du repose-jambes,
ces deux rotules étant articulées autour d'un même axe transversal.In a practical embodiment, the axis of articulation of the legs of the legs on the end of the armrest, consists of a ball joint composed:
- a first ball itself in which engages the end of the sliding tube of the armrest;
- and a second ball joint, generally directed inwards, into which the end of the legrest engages,
these two ball joints being articulated around the same transverse axis.
La manière dont l'invention peut être réalisée et les avantages qui en découlent ressortiront mieux de l'exemple de réalisation qui suit, à l'appui des figures annexées.The manner in which the invention can be implemented and the advantages which result therefrom will emerge more clearly from the embodiment which follows, with the support of the appended figures.
La figure 1 est une vue de profil du fauteuil en position assise.Figure 1 is a side view of the chair in the sitting position.
La figure 2 est une vue du même fauteuil en position totalement repliée.Figure 2 is a view of the same chair in the fully folded position.
La figure 3 est une vue de détail de l'organe de coulissement au niveau de l'accotoir.Figure 3 is a detail view of the sliding member at the armrest.
La figure 4 est une vue de détail de l'articulation du repose-jambes avec les accotoirs.Figure 4 is a detailed view of the articulation of the legrest with the armrests.
Le fauteuil tel que présenté en position assise à la figure 1, se décompose de deux ensembles ayant des fonctions distinctes, à savoir d'une part, un piètement composé de deux jambages (35,36), articulés en (23) à la manière d'un tréteau, et d'autre part, un ensemble destiné à recevoir une personne assise et constitué d'un dossier (1), d'une assise (2), d'un repose-jambes (3), et de deux accotoirs (4).The armchair as presented in the seated position in FIG. 1, is made up of two sets having distinct functions, namely on the one hand, a base composed of two legs (35,36), articulated in (23) in the manner a trestle, and on the other hand, an assembly intended to receive a seated person and consisting of a backrest (1), a seat (2), a legrest (3), and two armrests (4).
Le dossier (1) est un cadre fermé, de forme générale rectangulaire et légèrement cintré pour épouser le galbe du dos.The backrest (1) is a closed frame, generally rectangular in shape and slightly curved to match the curve of the back.
Les longerons d'assise (2) sont constitués chacun d'un tube métallique, articulé vers l'arrière en (22) sur le coté vertical du dossier (1). L'articulation se fait à proximité de l'extrémité inférieure du coté du dossier (1), au moyen d'une chape (22) classique en forme de U dont le fond accueille le longeron (2) et auquel il est soudé, et dont les branches supportent un axe qui traverse le coté du dossier (1). La position de ces longerons (2) est légèrement inclinée vers l'arrière.The seat rails (2) each consist of a metal tube, articulated rearwards at (22) on the vertical side of the backrest (1). The articulation takes place near the lower end of the side of the backrest (1), by means of a conventional U-shaped yoke (22) the bottom of which accommodates the beam (2) and to which it is welded, and the branches of which support an axis which crosses the side of the backrest (1). The position of these beams (2) is slightly inclined towards the rear.
Les deux accotoirs (4) sont articulés respectivement en (24) et en (20) d'une part au dossier (1) et d'autre part, au repose-jambes (3). Ils sont sensiblement parallèles aux longerons (2). Chaque accotoir (4) comprend sous sa face inférieure, une tige coulissante (5) apte à se translater dans la chape (7) solidaire de l'extémité supérieure du jambage avant (36) du piètement.The two armrests (4) are articulated respectively at (24) and (20) on the one hand in the backrest (1) and on the other hand, in the leg rest (3). They are substantially parallel to the side members (2). Each armrest (4) comprises, under its lower face, a sliding rod (5) capable of being translated into the yoke (7) secured to the upper end of the front leg (36) of the base.
Le repose jambe est formé d'un cadre en U relié aux longerons d'assise (2) et aux accotoirs (4). L'articulation avec les accotoirs (4) se fait (voir figure 4) au moyen de rotules (20) reliant les extrémités des accotoirs (4) et les extrémités du cadre repose-jambes (3). La liaison entre le repose-jambes (3) et les longerons (2) se fait grâce à une chape classique (21) et celà à une hauteur permettant de respecter le parallélisme entre les accotoirs (4) et les longerons (2).The leg rest is formed by a U-shaped frame connected to the seat rails (2) and to the armrests (4). The articulation with the armrests (4) is done (see FIG. 4) by means of ball joints (20) connecting the ends of the armrests (4) and the ends of the legrest frame (3). The connection between the legrest (3) and the side members (2) is made by means of a conventional yoke (21) and this at a height making it possible to respect the parallelism between the armrests (4) and the side members (2).
La surface engendrée par premièrement le dossier (1), deuxièment les longerons d'assise (2), et enfin la partie du repose-jambe (3) située en dessous des chapes (21), reçoit une toile tendue. De manière connue, cette toile est accrochée à ces éléments par une corde élastique passant alternativement dans des oeillets de la toile et dans des ondulations métalliques soudées sur lesdits éléments.The surface generated by firstly the backrest (1), secondly the seat rails (2), and finally the part of the leg rest (3) located below the yokes (21), receives a stretched fabric. In known manner, this fabric is attached to these elements by an elastic cord passing alternately through eyelets of the fabric and in metallic corrugations welded to said elements.
Le piètement se compose de deux jambages (35,36) en forme de U. Les deux extrémités du jambage arrière comprennent des chapes (23) soudées dans lesquelles s'articulent la partie haute du jambage avant (36).The base consists of two U-shaped legs (35,36). The two ends of the rear leg include welded yokes (23) in which the upper part of the front leg (36) is articulated.
De plus, le jambage avant (36) reçoit à environ mi-hauteur une bielle (39) articulée autour de la tige (25) apte à pivoter dans un plan vertical. L'autre extrémité de cette bielle est articulée sur la chape (10).In addition, the front jamb (36) receives about halfway up a connecting rod (39) articulated around the rod (25) capable of pivoting in a vertical plane. The other end of this connecting rod is articulated on the yoke (10).
De manière classique, les parties de raccordement horizontales des jambages (35,36) sont équipées de patins (30,31) antidérapants.Conventionally, the horizontal connecting parts of the legs (35,36) are equipped with non-slip pads (30,31).
Le piètement et l'assise ont deux points de contact, à savoir d'une part la chape (10) et d'autre part, la chape coulissante (7). La chape (10) est solidaire du longeron d'assise (2) et permet le coulissement du jambage (35) par rapport à ce longeron (2). La chape coulissante (7) est fixée à l'extrémité haute du jambage avant (36) du piètement. Elle permet le coulissement de la tige de l'accotoir (5) par rapport au piètement.The base and the seat have two contact points, namely on the one hand the yoke (10) and on the other hand, the sliding yoke (7). The yoke (10) is integral with the seat spar (2) and allows the leg (35) to slide relative to this spar (2). The sliding yoke (7) is fixed to the upper end of the front leg (36) of the base. It allows the armrest rod (5) to slide relative to the base.
L'accotoir (4) est relié au repose-jambes (2) par une rotule (20) dont un détail est présenté en figure 4. La tige coulissante (5) vient se loger dans l'extrémité avant de l'accotoir (4). Cette extrémité cylindrique (50), d'axe (51) perpendiculaire au plan de symétrie de la chaise, se prolonge vers l'intérieur du fauteuil par un autre cylindre (52) de même rayon en recevant l'extrémité supérieure (53) du repose-jambes (3). Le pivotement entre ces deux cylindres pivotants autour du même axe, peut être assuré par une rondelle de frottement (54). Dans une variante, cette rondelle (54) est supprimée.The armrest (4) is connected to the leg rest (2) by a ball joint (20), a detail of which is presented in FIG. 4. The sliding rod (5) is housed in the front end of the armrest (4 ). This cylindrical end (50), of axis (51) perpendicular to the plane of symmetry of the chair, is extended towards the inside of the chair by another cylinder (52) of the same radius in receiving the upper end (53) of the legrest (3). The pivoting between these two pivoting cylinders about the same axis can be ensured by a friction washer (54). In a variant, this washer (54) is eliminated.
Le maintien de l'inclinaison se fait par blocage de la tige coulissante (5) dans la chape (7), lequel blocage est assuré par l'excentrique (8). Cet excentrique (8) est solidaire de la chape coulissante (7) et peut pivoter autour d'un axe parallèle à l'axe de coulissement. Cet excentrique (8) comprend un trou de diamètre proche de celui de la tige coulissante (5), mais dont le centre est légèrement décalé par rapport à l'axe de pivotement.The inclination is maintained by blocking the sliding rod (5) in the yoke (7), which blocking is ensured by the eccentric (8). This eccentric (8) is integral with the sliding yoke (7) and can pivot around an axis parallel to the sliding axis. This eccentric (8) includes a hole with a diameter close to that of the sliding rod (5), but the center of which is slightly offset from the pivot axis.
La zone destinée à recevoir l'utilisateur, englobe un quadrilatère déformable, repérable entre les différentes articulations des éléments la composant. Les quatre sommets de ce quadrilatère sont:
- l'articulation (24) entre le dossier (1) et l'accotoir (4),
- la rotule (20) d'articulation entre l'accotoir (4) et le repose-jambes (3),
- la chape (21) d'articulation entre le repose-jambes et le longeron d'assise (2),
- la chape (22) d'articulation entre le dossier (1) et le longeron d'assise (2).
- the articulation (24) between the backrest (1) and the armrest (4),
- the ball joint (20) of articulation between the armrest (4) and the legrest (3),
- the yoke (21) of articulation between the legrest and the seat spar (2),
- the yoke (22) of articulation between the backrest (1) and the seat spar (2).
De la sorte, lors de l'inclinaison du dossier vers l'arrière, l'articulation (24) se retrouve plus en arrière que la chape (22). Ce mouvement tire la tige coulissante (5) vers l'arrière, alors que le longeron (2), solidaire du piètement, reste fixe. De cette manière, la rotule (20) recule par rapport à la chape (21) et le repose-jambes (3) se retrouve dans une position se rapprochant de l'horizontale.In this way, when the backrest is tilted back, the articulation (24) is found further back than the yoke (22). This movement pulls the sliding rod (5) backwards, while the spar (2), integral with the base, remains fixed. In this way, the ball joint (20) moves back relative to the yoke (21) and the legrest (3) is found in a position approaching the horizontal.
Lors de l'inclinaison vers l'avant, la déformation du quadrilatère est inversée.When tilting forward, the deformation of the quadrilateral is reversed.
Autrement dit, lors du basculement du fauteuil, le piètement reste fixe, et donc les longerons d'assise (2) sont immobiles également. Les deux chapes (21) et (22) sont donc des points fixes eux aussi. Le dossier et le repose-jambes vont donc pivoter autour de (21) et (22) en suivant le mouvement avant ou arrière de la tige (5) de l'accotoir.In other words, during the tilting of the chair, the base remains fixed, and therefore the seat rails (2) are also stationary. The two yokes (21) and (22) are therefore fixed points too. The backrest and the legrest will therefore pivot around (21) and (22) following the front or rear movement of the rod (5) of the armrest.
Lorsque le coulissement est autorisé, c'est-à-dire lorsque l'on veut changer l'inclinaison du fauteuil, l'excentrique est pivoté de sorte que le trou de l'exentrique (8) soit aligné avec la tige de coulissement. De manière opposée, lorsque l'on veut bloquer l'inclinaison et maintenir le fauteuil dans la position choisie, on fait pivoter l'excentrique (8) de sorte que le trou ne coïncide plus avec la tige coulissante (5). De cette manière, le bord intérieur du trou de l'excentrique (8) vient au contact de la tige coulissante (5) et par frottement, l'empêche de coulisser.When sliding is authorized, that is to say when you want to change the inclination of the chair, the eccentric is pivoted so that the hole in the eccentric (8) is aligned with the sliding rod. Conversely, when you want to block the inclination and keep the chair in the chosen position, you rotate the eccentric (8) so that the hole no longer coincides with the sliding rod (5). In this way, the inner edge of the eccentric hole (8) comes into contact with the sliding rod (5) and by friction prevents it from sliding.
Lors du pliage de l'ensemble, la tige (5) est laissée libre de coulisser à l'intérieur de la chape (7). Lors du rapprochement des deux jambages (35) et (36) du piètement, la bielle (39) étant articulée autour du jambage avant (36) par un pivot (25), la chape (10) se retrouve poussée vers le bas du jambage arrière (35). Comme cette chape (10) est solidaire du longeron d'assise (2), elle l'entraîne avec elle dans son mouvement vers le bas. Dans le même temps, la chape (7) se retrouve poussée vers l'avant de la tige (5). Lorsque cette chape (7) arrive en butée au niveau de la rotule (20), le mouvement se poursuit par la déformation du quadrilatère précédemment décrit, la chape (22) et la rotule (20) s'écartant. On aboutit finalement à l'écrasement de ce quadrilatère et le basculement du dossier (1) vers l'avant, et du repose-jambes (3) vers l'arrière. Le résultat est illustré à la figure 2 dans laquelle on observe le fauteuil complètement replié.When folding the assembly, the rod (5) is left free to slide inside the yoke (7). When the two legs (35) and (36) of the base are brought together, the connecting rod (39) being articulated around the front leg (36) by a pivot (25), the yoke (10) is pushed towards the bottom of the leg rear (35). As this yoke (10) is integral with the seat spar (2), it carries it with it in its downward movement. At the same time, the yoke (7) finds itself pushed forward of the rod (5). When this yoke (7) comes into abutment at the level of the ball joint (20), the movement continues with the deformation of the quadrilateral previously described, the yoke (22) and the ball joint (20) moving apart. It finally leads to the crushing of this quadrilateral and the tilting of the backrest (1) towards the front, and of the legrest (3) towards the rear. The result is illustrated in Figure 2 in which we observe the chair completely folded.
Le dépliage du fauteuil s'obtient par la démarche inverse.The unfolding of the chair is obtained by the reverse approach.
Un des avantages de l'invention repose dans le fait que l'accotoir est solidaire du dossier. De la sorte, la personne assise peut bénéficier de l'appui de l'accotoir quelle que soit l'inclinaison du siège. De plus, l'accès à l'organe de blocage (8) est aisé, car il est directement situé sous la couverture de l'accotoir (4).One of the advantages of the invention lies in the fact that the armrest is integral with the backrest. In this way, the seated person can benefit from the support of the armrest whatever the inclination of the seat. In addition, access to the locking member (8) is easy, because it is directly located under the cover of the armrest (4).
Il ressort de la description de l'exemple ci-dessus que l'invention présente plusieurs avantages notables, notamment :
- d'une part, l'inclinaison du fauteuil se fait d'une manière aisée et confortable. Quelle que soit la position du fauteuil, l'accotoir est toujours positionné sous le bras de l'utilisateur. De plus, le verrouillage en position se fait par un mouvement très simple et efficace, en agissant sur une seule pièce (8) placée à proximité de la main, quelle que soit l'inclinaison du fauteuil ;
- d'autre part, le pliage et le dépliage de ce fauteuil sont d'une simplicité appréciable. En effet, par le jeu de pièces coulissantes, un seul mouvement est nécessaire pour plier ou déplier le fauteuil.
- on the one hand, the inclination of the armchair is done in an easy and comfortable way. Whatever the position of the chair, the armrest is always positioned under the user's arm. In addition, the locking in position is done by a very simple and effective movement, acting on a single piece (8) placed close to the hand, whatever the inclination of the chair;
- on the other hand, the folding and unfolding of this chair are appreciably simple. Indeed, by the set of sliding parts, a single movement is necessary to fold or unfold the chair.
Claims (7)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR9408312A FR2721811B1 (en) | 1994-06-30 | 1994-06-30 | RELAXATION ARMCHAIR |
FR9408312 | 1994-06-30 |
Publications (2)
Publication Number | Publication Date |
---|---|
EP0689784A1 true EP0689784A1 (en) | 1996-01-03 |
EP0689784B1 EP0689784B1 (en) | 1997-12-29 |
Family
ID=9465035
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP95420168A Expired - Lifetime EP0689784B1 (en) | 1994-06-30 | 1995-06-27 | Relax-chair |
Country Status (7)
Country | Link |
---|---|
US (1) | US5570926A (en) |
EP (1) | EP0689784B1 (en) |
JP (1) | JP3625527B2 (en) |
CA (1) | CA2151699C (en) |
DE (1) | DE69501291T2 (en) |
ES (1) | ES2110823T3 (en) |
FR (1) | FR2721811B1 (en) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
AU729958B1 (en) * | 2000-04-17 | 2001-02-15 | Ming-Tai Huang | Pinch preventing mechanism for a collapsible chair |
EP2292121A1 (en) | 2009-09-03 | 2011-03-09 | Thom H. v.d. Boon B.V. | Folding chair |
WO2014180325A1 (en) * | 2013-05-09 | 2014-11-13 | Zou Jianhan | Electric recliner chair |
Families Citing this family (22)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CA2191904C (en) * | 1996-12-03 | 2000-02-15 | Lausan Chung Hsin Liu | Rod member connector for a folding chair |
US5913572A (en) * | 1997-07-28 | 1999-06-22 | Grimaldi; Camille M. | Multi-roller beach chair |
US5845969A (en) * | 1997-07-28 | 1998-12-08 | Grimaldi; Camille M. | Rolling beach lounge chair |
US6030032A (en) * | 1999-01-19 | 2000-02-29 | Shin Yen Enterprise Co., Ltd. | Armrest for a chair |
US6755463B2 (en) * | 2002-03-04 | 2004-06-29 | Gaetano Lardieri | Portable reflexology chair |
US6817661B2 (en) * | 2002-11-20 | 2004-11-16 | Edward Zheng | Collapsible chair with sliding rigid armrest |
US6692068B1 (en) * | 2003-02-05 | 2004-02-17 | Lai-Fu Tang | Deck chair |
US6902231B1 (en) * | 2004-06-01 | 2005-06-07 | Taiwan Shin Yeh Enterprise Co., Ltd. | Collapsible chair |
CN2726411Y (en) * | 2004-08-18 | 2005-09-21 | 刘宗信 | Folding chaise longue |
CN1299620C (en) * | 2004-12-24 | 2007-02-14 | 崔忠民 | Multifunction folding chair |
US7156456B1 (en) * | 2006-08-22 | 2007-01-02 | Chih-Liang Chen | Foldable chair |
US7628450B2 (en) * | 2006-09-05 | 2009-12-08 | The Coast Distribution System, Inc. | Collapsible chair |
US7950734B2 (en) * | 2007-09-18 | 2011-05-31 | Edward Zheng | Recliner with locking mechanism |
US20110018313A1 (en) * | 2009-07-24 | 2011-01-27 | Chuen-Jong Tseng | Foldable chair frame |
US8905471B2 (en) * | 2012-10-19 | 2014-12-09 | Cohesion Products, Llc | Collapsible chair with table |
USD773221S1 (en) * | 2014-10-29 | 2016-12-06 | FIMAX International Co., Ltd | Collapsible chair |
US20170055711A1 (en) * | 2015-08-25 | 2017-03-02 | Jgr Copa, Llc | Folding Chair with Bulbous Chair Adjustment Mechanism |
FR3058303B1 (en) * | 2016-11-10 | 2018-11-23 | Lafuma Mobilier Sas | FOLDING AND RECLINING ARMCHAIR |
USD848755S1 (en) * | 2017-10-03 | 2019-05-21 | Bliss Hammocks Inc. | Wheeled gravity free recliner |
CN210471557U (en) * | 2018-12-11 | 2020-05-08 | 浙江泰普森实业集团有限公司 | Folding chair |
US11185165B2 (en) * | 2020-01-21 | 2021-11-30 | Libin Chen | Armchair |
CN216702063U (en) | 2021-11-26 | 2022-06-10 | 浙江泰普森实业集团有限公司 | Chair frame and folding chair with same |
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US2195091A (en) | 1937-04-29 | 1940-03-26 | Lorenz Anton | Foldable reclining chair |
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US388350A (en) * | 1888-08-21 | Chair | ||
US532676A (en) * | 1895-01-15 | Portable dental chair | ||
NL285079A (en) * | ||||
GB343519A (en) * | 1929-11-20 | 1931-02-20 | Taylor Bros Sandiacre Ltd | Improvements in folding chairs and the like |
CA325690A (en) * | 1931-09-15 | 1932-09-06 | Edward Taylor Herbert | Folding chair |
US2649138A (en) * | 1948-11-02 | 1953-08-18 | Rexart Metal Ind Inc | Folding chair |
GB693774A (en) * | 1950-11-21 | 1953-07-08 | Norman Colin Brown | Improvements in or relating to foldable chairs |
US2710645A (en) * | 1951-03-09 | 1955-06-14 | Norman P Martin | Foldable reclining article of furniture |
US3037811A (en) * | 1957-11-20 | 1962-06-05 | Telescope Folding Furniture Co | Collapsible chair |
US3094358A (en) * | 1959-03-31 | 1963-06-18 | Bunting Company Inc | Separator means for webbing |
US3099478A (en) * | 1962-12-17 | 1963-07-30 | Bunting Company Inc | Folding contour chaise |
US5464270A (en) * | 1994-07-29 | 1995-11-07 | Chang; I-Shan | Stageless folding deck chair |
-
1994
- 1994-06-30 FR FR9408312A patent/FR2721811B1/en not_active Expired - Lifetime
-
1995
- 1995-06-13 CA CA002151699A patent/CA2151699C/en not_active Expired - Lifetime
- 1995-06-22 JP JP15636195A patent/JP3625527B2/en not_active Expired - Fee Related
- 1995-06-23 US US08/494,601 patent/US5570926A/en not_active Expired - Lifetime
- 1995-06-27 DE DE69501291T patent/DE69501291T2/en not_active Expired - Lifetime
- 1995-06-27 EP EP95420168A patent/EP0689784B1/en not_active Expired - Lifetime
- 1995-06-27 ES ES95420168T patent/ES2110823T3/en not_active Expired - Lifetime
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2195091A (en) | 1937-04-29 | 1940-03-26 | Lorenz Anton | Foldable reclining chair |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
AU729958B1 (en) * | 2000-04-17 | 2001-02-15 | Ming-Tai Huang | Pinch preventing mechanism for a collapsible chair |
EP2292121A1 (en) | 2009-09-03 | 2011-03-09 | Thom H. v.d. Boon B.V. | Folding chair |
WO2014180325A1 (en) * | 2013-05-09 | 2014-11-13 | Zou Jianhan | Electric recliner chair |
US9820578B2 (en) | 2013-05-09 | 2017-11-21 | Jianhan Zou | Power leisure reclining chair |
Also Published As
Publication number | Publication date |
---|---|
ES2110823T3 (en) | 1998-02-16 |
CA2151699C (en) | 2005-04-26 |
US5570926A (en) | 1996-11-05 |
CA2151699A1 (en) | 1995-12-31 |
JPH0838297A (en) | 1996-02-13 |
JP3625527B2 (en) | 2005-03-02 |
EP0689784B1 (en) | 1997-12-29 |
FR2721811B1 (en) | 1996-08-02 |
DE69501291D1 (en) | 1998-02-05 |
DE69501291T2 (en) | 1998-04-16 |
FR2721811A1 (en) | 1996-01-05 |
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