EP2374371B1 - Meuble destiné à s'assoir doté d'un siège basculant dans une position d'aide à la montée en position debout - Google Patents

Meuble destiné à s'assoir doté d'un siège basculant dans une position d'aide à la montée en position debout Download PDF

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Publication number
EP2374371B1
EP2374371B1 EP11160564A EP11160564A EP2374371B1 EP 2374371 B1 EP2374371 B1 EP 2374371B1 EP 11160564 A EP11160564 A EP 11160564A EP 11160564 A EP11160564 A EP 11160564A EP 2374371 B1 EP2374371 B1 EP 2374371B1
Authority
EP
European Patent Office
Prior art keywords
seat
foot part
seating
backrest
seating furniture
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.)
Not-in-force
Application number
EP11160564A
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German (de)
English (en)
Other versions
EP2374371A1 (fr
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.)
Ferdinand Lusch GmbH and Co KG
Original Assignee
Ferdinand Lusch GmbH and Co KG
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Ferdinand Lusch GmbH and Co KG filed Critical Ferdinand Lusch GmbH and Co KG
Publication of EP2374371A1 publication Critical patent/EP2374371A1/fr
Application granted granted Critical
Publication of EP2374371B1 publication Critical patent/EP2374371B1/fr
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
    • 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

Definitions

  • the invention relates to a chair, in particular armchair or sofa, with a base frame, a backrest, a seat and a footboard, wherein the backrest and the foot part are coupled below the seat via a coupling linkage, wherein the seat from a sitting position in a stand-up auxiliary position pivotally on Base frame is held and wherein the seat of the seat is inclined in the stand-up position forward.
  • Corresponding seating furniture are known from the prior art. These are, in particular, armchairs which can assume both a lying position and a standing-up auxiliary position. In the lying position, the foot part of the chair is arranged in a front position of use, in which the user can place his feet or legs on the foot part. In the stand-up assist position, the seat occupies an upper position in which the seat surface is inclined forward. This stand-up auxiliary position makes it easier for older users of the chair, in particular, to get up from it.
  • Seating furniture which can be adjusted from a sitting position in a stand-up position, are approximately from the DE 20 2006 016 889 U1 , of the US 2006/0061148 A1 or the EP 1 092 371 A1 known.
  • An armchair of the type mentioned is for example from the DE 20 2004 018 898 U1 known.
  • the chair has a base frame in which a footboard, a seat and a backrest are held. Furthermore, a fitting is provided which is adapted to adjust the foot, the seat and the backrest depending on the seating position. To the Adjusting the chair, the fitting has three actuators.
  • the foot part In a sitting position of the chair, the foot part is arranged below the seat and the backrest predominantly vertically aligned. From this sitting position, the chair can be adjusted to a first lying position, in which the foot part is extended to a front position of use. The seat is then in a reclined position. The backrest closes with the seat the same opening angle as in the sitting position. So that the user can take an even deeper lying position, the backrest can be pivoted relative to the seat from this position of the chair backwards. This then increases the opening angle between the backrest and seat.
  • the chair can be adjusted from the sitting position in a stand-up auxiliary position.
  • the seat is tilted forward relative to the seat position and raised relative to the base frame of the chair.
  • the foot part remains under the seat, so that it does not hinder the user when getting up.
  • a disadvantage of the known seating furniture are the complexity of the fitting and the low level of comfort for the user in the stand-up auxiliary position. In the stand-up position, the user often takes an unnatural attitude.
  • the invention is therefore based on the object, the aforementioned and previously described in more detail seating in such a way and further develop that for the user in the stand-up auxiliary position a higher comfort is achieved without disproportionately increasing the complexity of the fitting.
  • the coupling linkage is adapted to transmit a pivoting movement of the backrest relative to the seat on the foot part and vice versa, that a stop for engagement with the foot part, the coupling linkage and / or the backrest is provided in a rear position of the foot part and that the stop is configured, together with the coupling linkage, a pivoting of the seat relative to the base frame from the sitting position to a standing-up auxiliary position in a pivoting of the backrest relative to the seat by increasing the opening angle between the backrest and Seat implement.
  • the backrest and the foot part are connected via a coupling linkage, so that a pivoting of the backrest relative to the seat also leads to a pivoting of the foot part relative to the seat.
  • the coupling linkage acts in two directions. This means that a pivoting of the foot part relative to the seat leads in the same way to a pivoting of the backrest relative to the seat.
  • either the foot section, the coupling linkage and / or the backrest may come into contact with a stop. This is in a position of Seating furniture of the case in which the foot part occupies a rear position.
  • the foot part is preferably retracted in this rear position, that is arranged below the seat. It is particularly useful in this context, when this rear position coincides with the rest position, which occupies the footboard when the chair is in the sitting position.
  • the attack is exactly and with which component of the chair the stop comes into contact, is less crucial. It is important, however, that limited by the stop a coupled via the coupling rod movement of foot and backrest in each case based on the seat.
  • the stop should cooperate with the coupling linkage, the foot part and / or the backrest in such a way that pivoting of the backrest with respect to the seat is associated with the adjustment of the seat from the sitting position to the standing-up auxiliary position.
  • the rest position of the foot part can be defined, which preferably the foot part in the sitting position of the chair occupies. Then, because of the coupling of the footrest and the backrest, the position of the backrest, in particular the opening angle between the seat and backrest in the sitting position, be set.
  • the chair from the sitting position in the standing-up auxiliary position can be dispensed with a free pivoting of the foot part. This need not apply in the same way for the backrest, since the backrest is preferably moved relative to the base frame when adjusting the seat from the sitting position to the stand-up position, in particular upwards and forwards.
  • Under the base frame are basically understood the components of the chair, which are not affected by the adjustment of the chair, but retain their position.
  • This can be side panels, frame parts and other components connected to these parts, which are only subject to a spatial movement when the chair is moved as such.
  • Armchairs in the sense of the invention are understood in particular to mean armchairs.
  • the seating furniture may also be a sofa or a couch.
  • the fitting may be designed to limit the degree of pivoting of the foot part from a front position of use in the direction under the seat. This means that the foot part of the front position of use can be pivoted so far in the direction of the rear rest position of the foot and possibly beyond, until the stop comes into contact with the foot, the backrest and / or the coupling rod.
  • a structurally simple solution provides that the further pivoting of the foot part is effected by the abutment of the stop with the foot part, the backrest and / or the coupling linkage in the rear rest position of the foot part. In other words, the stop is effective when the seating in the sitting position and / or the foot are in the rest position.
  • the stop is designed to hold the foot part in a substantially stationary position relative to the base frame when the seat is given away from the sitting position in the standing-up auxiliary position.
  • the foot is, if the seat is pivoted from the sitting position in the stand-up auxiliary position, not or at least slightly pivoted relative to the base frame.
  • the foot part is still pivoted relative to the seat, which in terms of the seat is the same as pivoting of the foot part in the direction of the front position of use. Since the foot is coupled to the coupling linkage with the backrest is at the same time the backrest pivoted relative to the seat to the rear. This pivotal movement of the backrest is in turn related to the seat, the pivoting of the backrest from the sitting position in the direction of the lying position.
  • a structurally simple embodiment of the seat is achieved when the backrest and the foot part are rigidly coupled via the coupling linkage.
  • the backrest and the foot part are rigidly coupled via the coupling linkage.
  • a further stop which limits the pivoting of the seat from the standing-up auxiliary position in the sitting position.
  • the further stop for the sake of simplicity come into contact with the seat, preferably in the seating position of the chair.
  • the stop may also be made stably so that the seat in the sitting position is supported to a considerable extent by the stop, so that a part of the body weight of the user can be derived via the seat stop to the ground.
  • an actuator for pivoting the seat from the sitting position can be provided in the standing-up auxiliary position.
  • the actuator can then be connected in a structurally simple embodiment with one end to the basic and with another end to the seat, the foot and / or with the backrest.
  • an actuator for adjusting the seat from a reclining position with the foot in a forward position of use in a Sitting position to be provided with the foot part in a rear rest position. This increases the comfort for the user, since he can adjust the seat from the sitting position to the lying position and back without effort.
  • a single actuator for adjusting the chair can be provided.
  • the adjustment of the seat can then be done from a reclining position with the foot in a forward position of use over a seating position, preferably with the foot in a rear rest position, to the standing-up auxiliary position with a forwardly inclined seat surface of the seat.
  • the corresponding seating thus allows to adjust all positions of the chair with a single actuator.
  • a particularly simple and expedient embodiment of the seat is achieved when the actuator of the actuator with the foot in the use position in a retracted position, the actuator is in a stand-up position with the seat in the stand-up position and the actuator in the sitting position in a Position between the retracted and the extended position. It therefore only requires a linear adjustment of the sake of simplicity as a linear actuator trained actuator to take all positions of the chair can.
  • the seating is then adjusted by retracting the actuator of the actuator in the sitting position, wherein the seat is pivoted backwards until it preferably comes into abutment with the other stop. Another pivoting of the seat can thus be prevented. Further retraction of the actuator of the actuator ultimately leads to a pivoting of the foot part in the direction of the front position of use.
  • the seat can be designed to be pivotable in a structurally simple manner in that it is pivotally mounted on the base frame in the front region.
  • any other pivotable storage relative to the base frame such as by a complementary fitting.
  • the sectional plane is arranged in the viewing direction behind a front and thus not shown side part of the chair 1.
  • the side part is identical to the side part 2 shown on the opposite side of the seat 1.
  • a seat 3 Between the two outer side parts 2, a seat 3, a foot part 4 and a backrest 5 are provided.
  • a fitting 6 is also provided. The fitting 6 is articulated on the foot part 4, the seat 3 and the backrest 5 and connected to a transverse strut 7 below the seat 3.
  • the seat 3 is pivotally mounted on support plates 8 on the side panels 2.
  • the axis of rotation 9 for pivoting the seat 3 is located in the front region of the seat 3.
  • this rests firmly on corresponding stops 10, which are each laterally fixedly connected to the side parts 2.
  • this is pivotally connected to the foot part 4. in the rear part of the seat 3 is also pivotally connected to the backrest 5 with this.
  • the backrest 5 is connected via a coupling linkage 11 pivotally connected to the foot part 4.
  • the backrest 5 is also pivotally connected via an actuator 12 with the crossbar 7 of the chair 1.
  • Each articulated with the seat 3 and the coupling linkage 11, a coupling lug 13 is provided.
  • a stop 14 is also supported.
  • the stopper 14 has no function and is the foot part 4 in a forward position of use, in which the user can place his feet and / or legs on the foot part 4.
  • the upholstery of both the foot part 4 and the seat 3 and the backrest 5 are not shown.
  • the support surface 15 of the foot part 4 has in the forward position of use upwards.
  • the backrest 5 is inclined relative to the seat 3 in the lying position relatively far to the rear. In the reclining position, backrest 5 and seat 3 therefore enclose a relatively large opening angle ⁇ L , which is clearly smaller than 180 °.
  • the illustrated in the seat and so far preferred seating 1 on the backrest 5 posted actuator 16 of the actuator 12 is brought into a partially extended position. This causes the backrest 5 from the lying position in the Sitting position is pivoted in the direction of the seat 3.
  • the opening angle ⁇ s between the backrest 5 and the seat 3 is consequently lower than in the lying position.
  • the backrest 5 is made steeper in the sitting position and aligned in the illustrated and so far preferred seating substantially vertically.
  • the position of the seat 3 does not change in the illustrated and insofar preferred seating 1 between the lying position and the sitting position. However, it would be conceivable that the seat is moved when adjusting in the reclining position from the sitting position to the front.
  • the pivoting of the backrest 5 in a more upright position leads to a pivoting of the foot part 4 from the front use position to a rear rest position. In this rear rest position, the foot part 4 abuts on the stop 14, which is supported by the cross member 7.
  • the stop 14 ensures that the foot part 4 can not be pivoted further back under the seat 3. Due to the coupling between the foot part 4 and the backrest 5, these can not be pivoted further in a more upright position.
  • the seat 3 In this position, the seat 3 is lifted relative to a further stop 10 and the seat surface of the seat 3 is inclined forward.
  • the adjustment of the chair 1 in the stand-up auxiliary position has no influence.
  • the foot part 4 continues to abut against the stop 14.
  • the foot part 4 and the seat 3 include a greater angle ⁇ A than in the sitting position. It comes thus in spite of the system of the foot part 4 on the stop 7 to a pivoting movement of the foot part 4 relative to the seat 3, which is transmitted via the coupling linkage to the backrest 5.
  • This transmission is done in such a way that the backrest 5 is pivoted away from the seat 3, so that in the stand-up auxiliary position between the backrest 5 and the seat 3, a larger opening angle ⁇ A results than in the sitting position.
  • a larger opening angle ⁇ A results than in the sitting position.
  • the illustrated and insofar preferred seating 1 thus leads a linear adjustment of the actuator starting from the lying position initially to a pivoting of the backrest 5 to the seat 3, namely while reducing the opening angle ⁇ until the sitting position is reached.
  • the seat 3 In the standing-up auxiliary position, the seat 3 is supported only by way of the support plate 8 and the transverse strut 7 relative to the two side parts 2. The further stop 10 is then not in contact with the seat. 3
  • An adjustment of the chair 1 from the standing-up auxiliary position in the lying position is carried out in the same manner as the adjustment of the chair 1 from the lying position in the standing-up auxiliary position.
  • the individual steps the adjustment of the chair 1 but run in the reverse order.
  • the backrest 5 and the foot part 4 are rigidly coupled via the coupling linkage 11 in the form of a continuous coupling rod, wherein the backrest 5 and the foot part 4 are each pivoted synchronously due to the rigid coupling via the coupling linkage 11. This means that each pivoting of the foot part 4 or the backrest 5 has a pivoting of the respective other component result.
  • the actuator of the actuator could also attack directly on the seat and be designed only to pivot the seat from the sitting position to the stand-up auxiliary position.
  • the adjustment of the chair between the lying position and the sitting position could then be independent of the actuator.
  • the coupling linkage via a spring means, such as a gas spring, connected to the crossbar, which exerts a restoring force on the coupling linkage, which must be overcome both when pivoting from the lying position in the sitting position and during pivoting from the sitting position to the lying position ,
  • a corresponding spring means also two or more oppositely acting spring means could be provided.

Claims (11)

  1. Siège (1), notamment fauteuil ou canapé,
    - avec un châssis de base (17), un dossier (5), une assise (3) et une partie pied (4),
    - sous l'assise (3), le dossier (5) et la partie pied (4) étant couplés (3) par l'intermédiaire d'une tringle de couplage (11),
    - l'assise (3) étant maintenue sur le châssis de base (17) en étant susceptible de pivoter d'une position assise dans une position d'aide au relevage et
    - dans la position d'aide au relevage, la surface d'assise de l'assise (3) étant inclinée vers l'avant,
    caractérisé en ce que
    - la tringle de couplage (11) est conçue pour transmettre un mouvement de pivotement du dossier (5) par rapport à l'assise (3) sur la partie pied (4) et inversement,
    - dans une position arrière de la partie pied (4), il est prévu une butée (14) destinée à s'appliquer sur la partie pied (4), sur la tringle de couplage (11) et/ou sur le dossier (5) et
    - la butée (14) est conçue pour transformer, ensemble avec la tringle de couplage (11) un pivotement de l'assise (3) par rapport au châssis de base (17) de la position assise dans une position d'aide au relevage en un pivotement du dossier (5) par rapport au siège (3) en agrandissant l'angle d'ouverture (α) entre le dossier (5) et le siège (3).
  2. Siège selon la revendication 1, caractérisé en ce que la butée (14) est conçue de sorte à limiter le degré de pivotement de la partie pied (4) d'une position d'utilisation avant en direction sous l'assise (3).
  3. Siège selon la revendication 1 ou la revendication 2, caractérisé en ce que lors du pivotement de l'assise (3) de la position assise dans la position d'aide au relevage, la butée (14) est conçue pour maintenir la partie pied (4), dans une position sensiblement stationnaire par rapport au châssis de base (17).
  4. Siège selon l'une quelconque des revendications 1 à 3, caractérisé en ce que le dossier (5) et la partie pied (4) sont couplés de manière rigide par l'intermédiaire de la tringle de couplage (11).
  5. Siège selon l'une quelconque des revendications 1 à 4, caractérisé en ce que le dossier (5) et la partie pied (4) sont couplés par l'intermédiaire de la tringle de couplage (11) pour le pivotement toujours synchronisé du dossier (4) par rapport à l'assise (3).
  6. Siège selon l'une quelconque des revendications 1 à 5, caractérisé en ce qu'il est prévu une butée (10) supplémentaire qui limite le pivotement de l'assise (3) de la position d'aide au relevage dans la position assise.
  7. Siège selon l'une quelconque des revendications 1 à 6, caractérisé en ce qu'il est prévu un mécanisme de commande (12) pour pivoter l'assise (3) de la position assise dans la position d'aide au relevage.
  8. Siège selon la revendication 7, caractérisé en ce qu'il est prévu un mécanisme de réglage (12), de préférence unique pour le réglage du siège (1) d'une position de couchage avec la partie pied (4) dans une position d'utilisation avant, en passant par une position assise avec la partie pied (4) dans une position de repos arrière jusque dans la position d'aide au relevage avec une surface d'assise de l'assise (3) inclinée vers l'avant.
  9. Siège selon la revendication 8, caractérisé en ce que dans la position d'utilisation, l'organe de réglage (16) du mécanisme de réglage (12) se trouve avec la partie pied (4) dans une position rentrée,
    en ce que dans la position d'aide au relevage, l'organe de réglage (16) se trouve avec l'assise (3) dans une position sortie et
    en ce que dans la position assise, l'organe de réglage (16) se trouve dans une position intermédiaire entre la position rentrée et la position sortie.
  10. Siège selon l'une quelconque des revendications 1 à 9, caractérisé en ce que le dossier (5) est fixé de manière pivotante sur l'assise (3).
  11. Siège selon l'une quelconque des revendications 1 à 10, caractérisé en ce que dans la zone avant, l'assise (3) est fixée de manière pivotante sur le châssis de base.
EP11160564A 2010-04-07 2011-03-31 Meuble destiné à s'assoir doté d'un siège basculant dans une position d'aide à la montée en position debout Not-in-force EP2374371B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102010014126A DE102010014126B4 (de) 2010-04-07 2010-04-07 Sitzmöbel mit einem in eine Aufstehhilfesposition schwenkbaren Sitz

Publications (2)

Publication Number Publication Date
EP2374371A1 EP2374371A1 (fr) 2011-10-12
EP2374371B1 true EP2374371B1 (fr) 2012-11-28

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
EP11160564A Not-in-force EP2374371B1 (fr) 2010-04-07 2011-03-31 Meuble destiné à s'assoir doté d'un siège basculant dans une position d'aide à la montée en position debout

Country Status (4)

Country Link
US (1) US20110248530A1 (fr)
EP (1) EP2374371B1 (fr)
JP (1) JP2011218167A (fr)
DE (1) DE102010014126B4 (fr)

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Also Published As

Publication number Publication date
DE102010014126B4 (de) 2011-11-10
DE102010014126A1 (de) 2011-10-13
US20110248530A1 (en) 2011-10-13
JP2011218167A (ja) 2011-11-04
EP2374371A1 (fr) 2011-10-12

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