EP0423017B1 - Ruhe- und Entspannungssessel - Google Patents

Ruhe- und Entspannungssessel Download PDF

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Publication number
EP0423017B1
EP0423017B1 EP90402804A EP90402804A EP0423017B1 EP 0423017 B1 EP0423017 B1 EP 0423017B1 EP 90402804 A EP90402804 A EP 90402804A EP 90402804 A EP90402804 A EP 90402804A EP 0423017 B1 EP0423017 B1 EP 0423017B1
Authority
EP
European Patent Office
Prior art keywords
seat
chair
cam profile
back rest
rest
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.)
Expired - Lifetime
Application number
EP90402804A
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English (en)
French (fr)
Other versions
EP0423017A1 (de
Inventor
Pierre Moine
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
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Filing date
Publication date
Application filed by Individual filed Critical Individual
Priority to AT9090402804T priority Critical patent/ATE105155T1/de
Publication of EP0423017A1 publication Critical patent/EP0423017A1/de
Application granted granted Critical
Publication of EP0423017B1 publication Critical patent/EP0423017B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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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 rest and relaxation chair according to the preamble of claims 1, 2 and 3.
  • US-A-2 132 525 discloses an armchair according to this preamble comprising a seat, a backrest and a footrest, the backrest and the footrest being articulated respectively at the rear and front ends of the seat.
  • the lower end of the backrest is movable, guided in rectilinear movement, along an inclined tube secured to the frame of the chair.
  • a set of lower connecting rods connects the backrest to the footrest.
  • a control means, of the lever type, angularly actuated allows variable movement of the lower end of the backrest, along the guide tube.
  • the seat when tilted moves forward.
  • the center of gravity of the whole chair and the supported person moves simultaneously forward and down.
  • the lying position is not allowed in this kinematics of the seat movement.
  • CH-A-506 272 It is known from CH-A-506 272 to move the lower end of the back of a chair along an arc, mobile or fixed, while the seat moves forward (rolling or sliding ).
  • a lower link connects the lower part of the backrest to the footrest.
  • the footrest When the backrest tilts while moving on the arch, the footrest is simultaneously oriented forward.
  • the arch In the case where the arch is fixed, integral with the frame of the chair, the lower end of the backrest is guided at two points offset angularly from the arch.
  • the arch is of a significant dimension occupying approximately half of the frame of the armchair.
  • the seat moves forward when tilting with the same drawbacks as mentioned above, namely the tilting of the center of gravity forward, a limited inclination of the backrest does not allow the horizontal lying position and the offset movement of the seat relative to the armrests.
  • US-A-3 179 466 discloses a chair in which the seat and the backrest are formed in one piece, substantially at right angles to each other. This non-deformable assembly is mounted articulated on a horizontal axis integral with the frame of the chair. Such an armchair does not allow people to lie down.
  • the invention aims to remedy these drawbacks by proposing a rest or relaxation chair in accordance with the teaching of claims 1, 2 or 3.
  • the set of three seat, footrest and back planes therefore forms an articulated assembly bearing on the one hand, on the axis of the seat, and on the other hand, on the cam profile by the lower back end.
  • the connection between the footrest plane and the backrest plane and the curvature of the cam profile are determined in order to obtain relative inclinations of the planes conducive to rest and relaxation of the people (variable according to these) when the end of the backrest moves on the cam profile between the sitting position and the lying position.
  • the position of the seat axis on the support frame of the chair is also an important parameter in the evolution of the plans relative to each other.
  • Said control means is advantageously a double-acting or electric fluid cylinder arranged under the seat, connected on the one hand, to the latter and on the other hand, to the backrest at a point close to its lower end.
  • a double-acting gas spring it will be necessary to assist the movement. To obtain the relaxation position it will naturally be necessary to lean on the backrest but the muscular effort involved in the compression of the jack will be low due to the favorable lever arm. The return to the seated position will be done by releasing the backrest.
  • the contact of the backrest with the cam profile can be established by rollers rolling on the latter or by sliding shoes on it.
  • rollers rolling on the latter or by sliding shoes on it.
  • the movement of the end in contact with the cam profile, rollers in particular will be carried out in a guided manner and for example on a slide with upper retainer so as to avoid any tilting of the chair forward on the axis seat.
  • the chair according to the invention comprises a backrest 1, a seat 3, a footrest 5 and a support frame 7.
  • a backrest 1 In FIG. 2, only the plans of the backrest elements, seat are shown and footrests which can be materialized by their rigid support frames.
  • the footrest 5 is rotatably mounted on the seat, being articulated at its front end by an axis 9.
  • the backrest is articulated rotatable at the rear end of the seat by an axis 11.
  • a link 13 connects the file to the footrest, being articulated by its ends on each of them.
  • All of these three planes thus connected are mounted on the support frame 7. It is articulated at the front by the seat plane on a transverse axis 15 secured to the support frame and comes to bear at the rear by the 'lower end of the backrest on a cam profile 17 also fixed to the support frame. Said transverse axis of articulation, connected to the seat plane, is disposed slightly at the rear of its transverse median plane.
  • the lower end of the backrest includes rollers 19 engaging in rolling motion on the cam profile. These rollers roll in a slide conforming to the cam profile and are retained at the upper level by the slide to prevent any tilting of the chair forward.
  • An electric actuator 21 (or gas) disposed under the seat, connects the latter to the backrest.
  • This cylinder is articulated by its ends, respectively on the front part (limited to the axis 15) of the seat and on the lower part close to the end of the backrest. It is controlled by the seat user from a handle that is easily accessible in the rest position so as to make it possible to shorten or lengthen its travel as desired, thereby moving the end rollers of the backrest on the cam profile between two positions d 'stop limits.
  • the rear limit position 23 corresponds to the sitting position (FIG. 2) and the front limit position 25 to the lying position (not shown) in which in particular the seat and back planes come in continuity with one another along a substantially horizontal line. In the intermediate positions of rest or relaxation, the rollers circulate in a variable manner on the cam profile thus authorizing a multitude of possible positions.
  • the seat plane is also mobile and that it tilts according to the stroke of the jack. This inclination also depends on the shape of the cam profile and its positioning on the support frame as well as on the positioning of the axis 15 on the support frame.
  • the seat tilt is designed to prevent the body from sliding on the seat in the relaxed position. In this or these positions it tilts backwards thus ensuring good retention of the body.
  • the displacement of the lower end of the backrest on the cam profile can be done by adherent rolling (on toothed profile) of the backing rollers , on the cam profile, these rollers being set and controlled in rotation by the operator.

Claims (9)

  1. Ruhe- oder Entspannungssessel, der eine Rückenlehne (1), einen Sitz (3) und eine Fußstütze (5) aufweist, wobei die Fußstütze und die Rückenlehne vorne und hinten am Sitz gelenkig an diesem angebracht sind, wobei die Fußstütze und die Rückenlehne durch eine Gelenkstangenanordnung (13) unter dem Sitz verbunden sind, deren Enden gelenkig an letzteren angebracht sind, wobei das untere Ende der Rückenlehne auf einem Fürhrungselement (17) mit Hilfe eines Steuerungselementes (21) verschiebbar ist, dadurch gekennzeichnet, daß der Sitz gelenkig gelagert auf einer waagerechten Querachse (15) montiert ist, die mit den Seiten des Stützrahmen (7) des Sessels verbunden ist, und daß das besagte Führungselement (17) ein nockenförmiges Profil ist und ebenfalls mit dem Stützrahmen des Sessels verbunden ist, wobei das besagte Steuerungselement (21) auf variable Art und Weise erlaubt, die Neigung des Sessels zwischen der Sitz- und der Liegeposition durch Verschiebung des unteren Endes der Rückenlehne (19) auf dem besagten nockenförmigen Profil zu regulieren.
  2. Ruhe- oder Entspannungssessel, der eine Rückenlehne (1), einen Sitz (3) und eine Fußstütze (5) aufweist, wobei die Fußstütze und die Rückenlehne vorne und hinten am Sitz gelenkig an diesem angebracht sind, wobei die Fußstütze und die Rückenlehne durch eine Gelenkstangenanordnung (13) unter dem Sitz verbunden sind, deren Enden gelenkig an letzteren angebracht sind, wobei das untere Ende der Rückenlehne auf einem Führungselement (17) mit Hilfe eines Steuerungselementes (21) verschiebbar ist, dadurch gekennzeichnet, daß der Sitz gelenkig gelargert auf einer waagerechten Querachse (15) montiert ist, die mit den Seiten des Stützrahmen (7) des Sessels verbunden ist, dadurch daß das besagte Führungselement (17) ein nockenförmiges Profil ist und ebenfalls mit dem Stützrahmen des Sessels verbunden ist, und dadurch, daß die Positionierung der Achse (15) auf dem Stützrahmen variabel ist, zum Beispiel mittels eines Systems mit einer Schnellsperrvorrichtung, welches verschiedene Variationen der Neigung des Sitzes erlaubt, Variationen, die ebenfalls von dem gewählten nockenförmigen Profil abhängen, wobei das besagte Steuerungselement (21) auf variable Art und Weise erlaubt, die Neigung des Sessels zwischen der Sitz- und der Liegeposition durch Verschiebung des unteren Endes der Rückenlehne (19) auf dem besagten nockenförmigen Profil zu regulieren.
  3. Ruhe oder Entspannungssessel, der eine Rückenlehne (1), einen Sitz (3) und eine Fußstütze (5) aufweist, wobei die Fußstütze und die Rückenlehne vorne und hinten am Sitz gelenkig an diesem angebracht sind, wobei die Fußstütze und die Rückenlehne durch eine Gelenkstangenanordnung (13) unter dem Sitz verbunden sind, deren Enden gelenkig an letzteren angebracht sind, wobei das untere Ende der Rückenlehne auf einem Führungselement (17) mit Hilfe eines Steuerungselementes (21) verschiebbar ist, dadurch gekennzeichnet, daß der Sitz gelenkig gelagert auf einer waagerechten Querachse (15) montiert ist, daß das besagte Führungselement (17) ein nockenförmiges Profil ist, und daß die besagte Querachse (15) des Sessels und das nockenförmige Profil auf einem Schlitten befestigt sind, der drehbar gelagert und im Winkel verstellbar auf dem Stützrahmen (7) oder den Seiten des Sessels montiert ist, wobei das besagte Steuerungselement (21) auf variable Art und Weise erlaubt, die Neigung des Sessels zwischen der Sitz- und der Liegeposition durch Verschiebung des unteren Endes der Rückenlehne (19) auf dem besagten nockenförmigen Profil zu regulieren.
  4. Sessel nach einem der Ansprüche 1 bis 3, dadurch gekennzeichnet, daß das besagte Führungselement (17) ein nockenförmiges Profil ist, welches mit dem Stützrahmen oder dem Schlitten verbunden ist, wobei die Krümmung des nockenförmigen Profils, die Verbindung (13) zwischen Rückenlehne und Fußstütze sowie die Positionierung der Achse (15) des Sitzes in Bezug auf den Stützrahmen (7) oder den Schlitten im ihrer Gesamtheit festgelegt sind, um zu erlauben, auf variable Art und Weise die Neigung der Flächen des Sessels, der Fußstütze, des Sitzes und der Rückenlehne, in Bezug aufeinander in für die Entspannung und das Ruhen von Personen günstige Positionen zu bringen, zwischen der Sitz- und der Liegeposition (bei welcher die Flächen des Sitzes und der Rückenlehne waagerecht fortlaufend ineinander übergehen).
  5. Sessel nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, daß das untere Ende der Rückenlehne Rollen (19) aufweist und auf besagtem nockenförmigen Profil (17) rollt, wobei diese Rollen, zum Beispiel durch eine dem nockenförmigen Profil angepaßte Laufschiene, auf dem oberen Niveau zurückgehalten werden, so daß jedes Kippen des Sessels auf der Achse (15) des Sitzes verhindert wird.
  6. Sessel nach einem der Ansprüche 1 bis 4, dadurch gekennzeichnet, daß das untere Ende der Rückenlehne (1) Gleitkufen beinhaltet und auf besagtem nockenförmigen Profil (17) gleitet, wobei diese Gleitkufen ebenfalls auf dem oberen Niveau zurückgehalten werden.
  7. Sessel nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, daß das besagte Steuerungselement ein Gaszylinder (21) mit Doppelwirkung ist, der vom Bediener gesteuert und, zum Beispiel mittels eines Bedienungshebels, der im Ruheposition auf dem Sessel leicht erreichbar ist, in Position gebracht wird.
  8. Sessel nach einem der Ansprüche 1 bis 6, dadurch gekennzeichnet, daß das besagte Steuerungselement ein elektrisch angetriebener Zylinder (21) ist.
  9. Sessel nach Anspruch 5, dadurch gekennzeichnet, daß die Rollen (19) auf dem nockenförmigen Profil (17) in Rotation versetzt werden.
EP90402804A 1989-10-11 1990-10-09 Ruhe- und Entspannungssessel Expired - Lifetime EP0423017B1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT9090402804T ATE105155T1 (de) 1989-10-11 1990-10-09 Ruhe- und entspannungssessel.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR8913273 1989-10-11
FR8913273A FR2652729B1 (fr) 1989-10-11 1989-10-11 Fauteuil de repos et de relaxation.

Publications (2)

Publication Number Publication Date
EP0423017A1 EP0423017A1 (de) 1991-04-17
EP0423017B1 true EP0423017B1 (de) 1994-05-04

Family

ID=9386282

Family Applications (1)

Application Number Title Priority Date Filing Date
EP90402804A Expired - Lifetime EP0423017B1 (de) 1989-10-11 1990-10-09 Ruhe- und Entspannungssessel

Country Status (5)

Country Link
EP (1) EP0423017B1 (de)
AT (1) ATE105155T1 (de)
DE (1) DE69008657T2 (de)
ES (1) ES2053145T3 (de)
FR (1) FR2652729B1 (de)

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2132525A (en) * 1934-11-13 1938-10-11 Burchall Harold Portable adjustable chair
US3179466A (en) * 1962-11-15 1965-04-20 Joseph D Garrett Reclining chair
CH506272A (fr) * 1968-01-29 1971-04-30 Meier Laurent Chaise longue transformable en fauteuil
GB8504277D0 (en) * 1985-02-19 1985-03-20 Remploy Ltd Reclining chairs

Also Published As

Publication number Publication date
DE69008657T2 (de) 1994-08-18
DE69008657D1 (de) 1994-06-09
FR2652729A1 (fr) 1991-04-12
ATE105155T1 (de) 1994-05-15
FR2652729B1 (fr) 1993-06-25
ES2053145T3 (es) 1994-07-16
EP0423017A1 (de) 1991-04-17

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