EP2801293B1 - Elément de siège et sa garniture - Google Patents

Elément de siège et sa garniture Download PDF

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Publication number
EP2801293B1
EP2801293B1 EP13167391.5A EP13167391A EP2801293B1 EP 2801293 B1 EP2801293 B1 EP 2801293B1 EP 13167391 A EP13167391 A EP 13167391A EP 2801293 B1 EP2801293 B1 EP 2801293B1
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EP
European Patent Office
Prior art keywords
unit
lever
pivot
leg
seat
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.)
Active
Application number
EP13167391.5A
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German (de)
English (en)
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EP2801293A1 (fr
Inventor
Matthias Fischer
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.)
Kintec Solution GmbH
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Kintec Solution GmbH
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 Kintec Solution GmbH filed Critical Kintec Solution GmbH
Priority to ES13167391.5T priority Critical patent/ES2565230T3/es
Priority to EP13167391.5A priority patent/EP2801293B1/fr
Priority to PL13167391T priority patent/PL2801293T3/pl
Priority to US14/098,891 priority patent/US9247822B2/en
Priority to PCT/EP2014/057495 priority patent/WO2014180629A1/fr
Priority to CN201480026583.3A priority patent/CN105705063B/zh
Publication of EP2801293A1 publication Critical patent/EP2801293A1/fr
Application granted granted Critical
Publication of EP2801293B1 publication Critical patent/EP2801293B1/fr
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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
    • A47C7/00—Parts, details, or accessories of chairs or stools
    • A47C7/50—Supports for the feet or the legs coupled to fixed parts of the chair
    • 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
    • A47C1/0352—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 characterised by coupled seat and back-rest slidingly movable in the base frame, e.g. by rollers

Definitions

  • the invention relates to a piece of seating furniture with a base fixed in the intended use of the piece of seating furniture, a seat unit with a seat surface and a leg unit with leg support surface which is movable relative to the seat unit.
  • the leg unit is displaceable between a stowage position, in which the leg unit is arranged below the seat surface, and a use position, in which the leg unit is arranged in front of the seat, by means of a movement mechanism.
  • leg unit In order to achieve a sufficiently large leg support surface, there are variants that have a separately movable end segment in addition to the leg unit.
  • the leg unit In these designs, it is usually provided that the leg unit is pivotable relative to the seat unit, in part by means of double-strap mechanisms. The leg unit is then usually followed by a pivotable end segment.
  • Documents that are such or similar designs with leg segment and end segment show, for example, the BE 100 91 47 A3 , the DE 10 2008 009 234 A1 and the DE 3718645 C2 , In designs that forego an end segment beyond the leg unit, achieving a sufficiently large leg rest area is more difficult to achieve.
  • the DE 10 2005 001 877 A1 proposes for this a mechanism in which the leg unit is variable in size. It can thereby be reduced in the transfer from the use position to the stowed position below the seat. Only so it is possible to ensure a sufficient size of the leg support surface in the use position and a sufficient reduction of the leg unit in the pivoted
  • the object of the invention is to develop a piece of furniture generic type to the effect that this allows the displacement of the leg unit between the stowed position and the use position by means of a simple mechanical design, in particular is desired that the corresponding inventive teaching also in seating furniture pieces with little space under the Seat unit is usable.
  • a piece of seating furniture according to the invention provides a sufficiently large leg support surface without having an end segment which can be displaced against it in addition to the leg unit and without the leg unit having to be made variable in size.
  • the movement mechanism is adapted to the leg unit from the stowed position, in the the leg support surface is oriented substantially horizontally, to transfer into the use position, in which the leg support surface is also aligned substantially horizontally.
  • the movement mechanism to an intermediate carrier which is displaceable by means of a first pivot guide relative to the seat unit, wherein the first pivot guide has at least one first rear pivot lever between the intermediate carrier and the seat unit.
  • the leg unit is displaceable relative to the intermediate carrier by means of a second pivoting guide, the second pivoting guide having at least one first front pivoting lever between the intermediate carrier and the leg unit.
  • a seating piece of furniture is preferably a padded chair or a cushioned sofa.
  • this may have several separately movable leg units.
  • the notion of high direction means a direction orthogonal to a footprint upon which the furniture stands.
  • the indication of the transverse direction means an extension direction which extends horizontally parallel to the front edge of the seat.
  • the furniture longitudinal direction is a direction orthogonal to the furniture transverse direction and furniture vertical direction.
  • the indications "front” and “rear” refer to the furniture longitudinal direction and refer to the perspective of the person sitting on the piece of furniture, whose legs point forward and whose back points to the rear.
  • a state of the piece of furniture is referred to, in which the leg unit is in its stowed position.
  • a state is referred to, in which the leg unit is arranged in its use position.
  • the backrest is positioned flat compared to the second state of use.
  • the first state of use allows a common seating position with feet arranged on the floor.
  • the second state of use is also referred to as television position. With raised legs, he still allows a largely upright sitting position.
  • the third state of use is provided as a lying position.
  • the peculiarity of the piece of furniture according to the invention is that it is designed to displace the leg rest largely horizontally.
  • the leg rest at least in the stowage position and in the use position, has the essentially horizontal orientation, which is to be understood as meaning that the leg support surface is pivoted by no more than 25 ° relative to an imaginary horizontal plane.
  • the leg unit during the entire process of transfer from the stowage position to the use position in this sense is substantially aligned horizontally.
  • leg unit makes it possible to use a comparatively large leg unit, since this does not enforce a comparatively high seat height on the seat piece of furniture as a result of its length, as in known designs.
  • the length of the legrest in the longitudinal direction may exceed the height of the free space below the seat unit. This also makes it possible to dispense with a separately displaceable relative to the leg unit end segment for extending the leg support surface.
  • This movement mechanism has an intermediate carrier, which is provided by means of the first pivot guide pivotally mounted on the seat unit.
  • the base is formed by those parts of the piece of seating furniture, which always remains fixed to a substrate on which the piece of furniture is located when properly transferring the leg unit from the use position to the stowed position and vice versa.
  • it is a frame to which the feet of the piece of furniture are provided. Under a local strength in this sense, a pure rotation is understood.
  • the base can thus be designed to be rotatable about a vertical axis by means of a turntable or a functionally comparable unit. Also, a base is considered to be stationary even if it allows a rocking motion against a substrate.
  • the seat unit can be movable in the manner explained below.
  • the mobility of the intermediate carrier along a circular path, which is made possible by the first pivoting guide, can alternatively take place relative to the seating unit.
  • the intermediate carrier itself is used to attach the leg unit, wherein the second pivot guide is provided between the intermediate carrier and the leg unit.
  • the displacement of the leg unit relative to the seat unit by two cumulative displacement acting pivot guides is reached by which the leg unit is to be displaced between its stowage position and its use position.
  • levers between the intermediate carrier on the one hand and the seat unit on the other hand find use.
  • these levers have a length between their articulation points of not more than 40 cm, preferably not more than 30 cm.
  • the second pivot guide which allows the movement of the leg unit relative to the intermediate carrier, is such that the leg unit can be displaced by the first front pivot lever along a circular path relative to the intermediate carrier.
  • pivot guides in terms of said first and second pivot guide pivot mechanisms are considered, by which the intermediate carrier is movable relative to the seat unit or the leg unit relative to the intermediate support along a circular section.
  • This circular section-shaped mobility can apply to the intermediate carrier or the leg unit as a whole or preferably only for one provided at the end of the pivot lever and to the intermediate carrier or the leg unit pivot axis which is movable along a circular segment-shaped path.
  • the second pivot guide is preferably designed as a double lever pivot guide.
  • a double lever pivot guide and other pivoting guides with positive guide means are conceivable.
  • the carrier With regard to the connection of the intermediate carrier to the seat unit, it is fundamentally conceivable that the carrier as a whole is firmly connected to the first rear pivot lever and thus follows the pivoting movement with respect to its orientation. It is advantageous, however, if the first rear pivot lever is hinged on the one hand pivotally about a pivot axis of the seat unit and on the other hand, only a second pivot axis is pivotally articulated to the intermediate carrier. In this way it can be prevented that the intermediate carrier pivots to the same extent, in which this applies to the pivot lever. It can therefore be displaced by the pivot guide in the sense of a largely maintaining horizontal alignment of the leg unit, without significantly changing its orientation.
  • positive guidance means are preferably provided by which each pivot position of the first pivot lever relative to the seat unit thereby effected pivoting position of the intermediate carrier associated with the first pivot lever.
  • Such positive guidance means thus lead to the desired definiteness of the movement of the subcarrier.
  • this movement is such that the intermediate carrier is pivoted in the transfer position of the leg unit from the stowed position to the use position by not more than 20 °.
  • a design of the positive guidance means in the manner of a double-lever mechanism has also proven particularly advantageous here, as has already been explained above for the connection of the leg unit to the intermediate carrier.
  • the pivot guide on a second pivot lever which is pivotally mounted about a first pivot axis spaced from the third pivot axis pivotally mounted on the seat unit and on the other hand articulated about a second pivot axis spaced fourth pivot axis pivotally on the pivoting.
  • the peculiarity which results from the use of the pivoting guide between the seat unit on the one hand and the intermediate support on the other hand is, in particular, that the intermediate support can for the most part always remain below the seat surface.
  • said pivot lever are provided on the outside of the seat relative to the transverse direction. Mechanical components extending left and right from the seat up to the front edge of the seat extend, are considered to be aesthetically disadvantageous and, incidentally, also form considerable opportunities to injure themselves.
  • the two pivot guides are mechanically independent, so that they can be influenced separately by the user. In terms of convenient handling, however, it is considered advantageous if the two pivot guides are operatively coupled to each other, so that adjusts depending on the relative position of the intermediate carrier relative to the seat unit, a dependent therefrom relative position of the leg unit to the intermediate carrier.
  • the movement of the intermediate carrier relative to the seat unit along a circular segment-shaped path indirectly also causes the movement of the leg unit relative to the intermediate carrier also along a circular segment-shaped path.
  • the related active coupling is preferably designed such that the respective pivot lever of the first pivot guide and the second pivot guide move in opposite directions to achieve a large displacement distance of the leg unit.
  • a pivot lever of the first pivot guide and a pivot lever of the second pivot guide are connected to each other by means of a control rod.
  • the movement of the leg unit relative to the intermediate carrier should be in the same direction as the movement of the intermediate carrier relative to the seat unit in order to achieve the desired reinforcing superimposition of the partial movements.
  • an extension is preferably provided either on the front pivot lever of the first pivot guide or on the rear pivot lever of the second pivot guide, which extends beyond the pivot axis of the pivot lever provided on the intermediate carrier viewed from the pivot axis of the pivot lever facing away from the intermediate carrier, wherein this extension the control rod is pivotally articulated. In this way, the desired counter-rotating pivoting movement of the pivot lever of the first and the second pivot guide can be achieved in a simple manner.
  • the seat unit is designed to be displaceable relative to the base of the piece of seating furniture, as has already been explained in the introduction.
  • the relative movement of the seat unit relative to the base with the relative movement of the pivot carrier relative to the seat unit is preferably operatively coupled.
  • the user of the seat piece of furniture according to the invention can thus bring about the transfer of the leg unit from the stowed position to the use position by a displacement of the seat unit relative to the base.
  • the displacement of the seat unit relative to the base leads forward to the transfer of the leg unit into the use position.
  • the movement of a seat back unit of the furniture is operatively coupled with the movement of the seat unit relative to the base, so that the movement of the seat unit, which leads to the transfer of the leg unit in its use position, or a subsequent movement of the seat unit is followed by a pivoting the backrest unit leads.
  • the piece of furniture works like a scale.
  • a movement of the seat unit down causes a movement of the leg unit upwards. It is thus used in the transfer of the leg unit between the stowed position and use position, the potential energy of each unit to be lowered and resting on the body part to raise the other unit and resting on body part.
  • the user who remains sitting on the piece of furniture, therefore, has only a small amount of mechanical energy through muscle power or by a possibly provided motor for electrical displacement.
  • the mobility of the seat unit relative to the base is provided by two displacement levers, which are articulated about each spaced pivot axis on the base or a further explained below displacement unit on the one hand and on the seat unit on the other.
  • the use of second displacement lever with mutually parallel, but spaced apart pivot axes provides a structurally very simple way to achieve the displaceability of the seat unit relative to the base or the displacement unit available.
  • the displacement lever of different lengths and / or are aligned non-parallel, so that takes place in the course of the pivoting movement, a tilting of the seat unit. In the use position of the leg unit, a front edge of the seat is preferably raised.
  • the pivot angle of the displacement lever between the base and seat unit are always smaller than the pivot angle of the pivot lever between the seat unit and intermediate carrier.
  • the pivot levers pivot between the stowage position of the leg rest and the use position of the leg rest by more than 80 °, while the displacement levers pivot by less than 60 °.
  • the leg unit is in its stowage position below the seat unit, preferably at least one of the relocation lever or pivot lever is near a dead center position or even in an over-center position, so that for the transfer of the leg unit into the use position, first a slight lifting of the seat unit, at least in the region of this located in the Kochtot Vietnamese displacement lever is required.
  • an activation lever may be provided, which allows it to leave the dead center by manually applied muscle power.
  • At least one of the displacement levers preferably both displacement levers
  • the displacement unit serves the purpose of ensuring additional displaceability of the seat unit. This is thus not directly displaced relative to the base, but towards the displacement unit, which in turn can be relocated even to the base. As a result, the seat unit can be moved very far in total between its two extreme positions, which is particularly useful to be able to swing down the backrest of the furniture collision-free far to the rear.
  • the displacement unit relative to the base starting from a basic position along a movement path is displaced forward, wherein the movement path is preferably linear or approximately linear.
  • the linear movement can preferably be achieved via a sliding system or a lever system.
  • An approximately linear movement is understood to mean a movement which, between its starting position and its end position, has a deviation from an imaginary straight line orthogonal to this line, which amounts to a maximum of 20% of the distance between the starting and end positions.
  • the displaceability of the displacement unit relative to the base is preferably between 13 cm and 15 cm.
  • the said lever system for displacing the displacement unit relative to the base is preferably designed such that it has at least one movement lever, which is pivotably articulated to the displacement unit and which in turn is guided by at least two intermediate levers which are pivotally hinged to the base.
  • the backrest unit is pivotable about a backrest axis relative to the seat unit, wherein the backrest axis displaceable with the seat unit relative to the base.
  • a backrest guide system is preferably provided by which the backrest unit is pivoted about the backrest axis as a function of the relative position of the seat unit relative to the base and / or the relative position of the displacement unit relative to the base.
  • the backrest guide system leads to a defined pivotability the backrest. Their position is defined on the one hand by the seat unit side pivot axis. On the other hand, defines the backrest guide system, how far the backrest lowers when moving this pivot axis.
  • a backrest guiding system provides that the guidance of the backrest takes place via a connecting link and a link roller or a sliding block guide inserted therein.
  • the slide track is stationary on the base, while the slide roller or slotted guide are attached to the back unit.
  • the backrest guide system has an eccentric to the backrest axis attached to the backrest unit control lever, which forms a positive coupling to the other moving parts of the furniture.
  • the control lever may, in particular, be pivotally mounted on the backrest unit, on the one hand, and pivotally mounted on the base or one of the movement levers of the displacement unit, on the other hand.
  • a first and / or a second locking system are provided, wherein the first locking system is designed to block a displacement of the displacement unit relative to the base in the jamming state of the leg unit, and wherein the second locking system is designed therefor to lock in the third state of use, a displacement of the leg unit relative to the seat unit.
  • the first and / or the second locking system specify a maximum distance or a minimum distance between two points, one of which is displaced together with the backrest unit and of which the other is displaced together with the leg unit.
  • a system has been found in which both locking systems are formed together by two stops, which abut each other both in the first and in the third state of use and thus cause the desired blocking effect.
  • Particularly advantageous is the use of a pivotally provided on the backrest tab with a slot whose one end forms one of the stops, while the other stop is formed by a bolt in this slot.
  • a spring device is provided on the piece of seating furniture, which, starting from the use position of a transfer of the leg unit in the direction of the stowage position and / or starting from the stowage position, respectively sets a transfer of the leg unit in the direction of the use position. As a result, the stability of the stowed position or the use position is increased.
  • the invention further relates to a fitting system for seating furniture pieces, which is designed such that it provides said relative movement between a seat unit on the one hand and a structural unit on the other hand.
  • Fig. 1a shows an inventive piece of seating furniture 10, which is designed as a padded chair.
  • This seating piece 10 has three mutually movable and respectively padded units, namely a seat unit 12, a leg unit 14 and a backrest unit 16.
  • the seat piece of furniture 10 further has a base frame 18 forming the base of the piece of seating furniture.
  • the base frame 18 is fixed to a floor and a wall 2 located at the rear of the piece of seating furniture 10.
  • the seating furniture 10 has a moving mechanism 20, which is provided by the in Fig. 1b shown furniture fitting 22 is embodied and which serves the purpose of the relative movement of the seat unit 12 and the leg unit 14 from the stowed position of the Fig. 1a, 1b into the use of the Fig. 3a, 3b to ensure.
  • the furniture fitting 22 has two mounting strips 24 which are fixedly connected to the base frame 18. He also has a frame 26, which serves in a manner not shown attaching the seat unit 12 and which is therefore always moved together with the seat unit 12. For attachment of the leg unit 14, the fitting 22 also has a carrier 28, which always remains stationary to the leg unit 14.
  • fitting 22 is connected as explained below.
  • Some of the following parts of the fitting 22 are each provided on the left and right sides of the seat and designed to coincide movement. Here, only one of the components is referred to.
  • two displacement levers 32, 34 are provided, each about a base-side pivot axis extending in the furniture transverse direction 32a, 34a and in each case about a furniture transverse direction extending frame fixed pivot axis 32b, 34b are pivotable.
  • the basic mobility of the seat unit 12 relative to the base frame 18 is given, with the slightly different lever lengths and / or the orientation of the lever in the stowed position of the Fig. 1a
  • a tilting movement of the seat unit 12 relative to the base frame 18 is forced in the course of their movement.
  • pivoting levers 36, 38 are provided between the frame 26 and an intermediate carrier 30 arranged below the frame, wherein these swivel axles 36c, 38c, which are provided fixedly relative to one another on the intermediate carrier, and swivel axles 36b, 38b provided fixedly on the frame 26 are pivotable.
  • a forced operation is also provided between the frame 26 and the intermediate carrier 30.
  • the intermediate carrier 30 is movable relative to the frame 26 due to the positive guidance only along a given by the pivot guide pivot lever 36, 38 predetermined movement path. Since the pivot levers 36, 38 have approximately the same distance between their respective pivot axes, the movement takes place with only slight tilting of the intermediate carrier 30 relative to the frame 26th
  • the relative movement of the frame 26 relative to the base frame 18 and the relative movement of the intermediate carrier 30 relative to the frame 26 are operatively coupled with each other.
  • a coupling lever 40 is provided, which is articulated on the one hand on an extension of the displacement lever 32 and on the other hand on the pivot lever 38 pivotally. The result is that the movement of the seat unit 12 relative to the base frame 18 also forces a movement of the intermediate carrier 30 relative to the frame 26. This will be explained below.
  • the intermediate carrier 30 is essentially formed by a hollow tube extending in the direction of a furniture longitudinal axis 4.
  • the already mentioned carrier 28 of the leg unit 14 is attached.
  • This attachment is again via two front pivot levers 42, 44, which are pivotally mounted on the carrier 28 on the one hand about a fifth and a sixth pivot axis 42a, 44a on the intermediate carrier 30 and on the other hand about a seventh and an eighth pivot axes 42b, 44b.
  • the movement path of the carrier 28 relative to the intermediate carrier 30 is thus defined by the two pivot levers 42, 44.
  • the pivot levers 42, 44 have slightly different lengths between their respective pivot axes, so that the movement of the carrier and the leg unit 14 relative to the intermediate support 30 is associated with a defined slight inclination of the leg unit relative to the intermediate carrier.
  • a transmission lever 58 is provided.
  • This transmission lever 58 is hinged on the one hand pivotally on the rear pivot lever 36 and on the other hand pivotally mounted on the front pivot lever 42. He is articulated on the part of the rear pivot lever 36 between the two pivot axes 36b, 36c, while he is still hinged on the front pivot lever 42 of the carrier-side pivot axis 42b from beyond the intermediate carrier side pivot axis 42a.
  • This type of arrangement ensures that the pivotal movement of the rear pivot levers 36, 38 opposite to the pivotal movement of the front pivot levers 42, 44 is in opposite directions.
  • a moving mechanism which includes full active coupling between all its components.
  • the backrest 16 is at the piece of furniture Fig. 1a and 1b attached to a backrest support 90.
  • This backrest support 90 is pivotable relative to the seat unit 12 and its frame 26.
  • the relevant pivot axis corresponds in this and the following embodiments of the pivot axis 34b, but could also be formed by a separate and spaced therefrom pivot axis.
  • the backrest support 90 is further pivotally hinged to a control lever 92 which is pivotally mounted on the base side mounting bar 24 at the other end. Since the displacement lever 34 and the control lever 92 have a different orientation, they cause a pivoting movement of the backrest support 90 relative to the base, when the displacement lever 34 is pivoted in the course of a displacement of the seat unit 12 relative to the base forward. With the extension of the leg rest and thus the backrest is easily pivoted backwards.
  • Fig. 1 to 3 has the following active component parts.
  • the intermediate carrier 30 Opposite the seat unit 12 and its frame 26 is the intermediate carrier 30 starting from the first use of the Fig. 4a can be pivoted forward, wherein at the same time by the transmission lever 58, a pivoting of the carrier 28 relative to the intermediate carrier 30 is caused to the front.
  • This displacement of the intermediate carrier 30 and the carrier 28 is caused by a force applied to the seat unit 12 by the occupant sitting on it and / or by a simultaneous actuation of an actuating lever 37.
  • the movement of the seat unit 12 and the frame 26 forward also continues to pivot the backrest 16 in a much flatter and more comfortable position.
  • the user must move the subcarrier 30 forward. He does this preferably by, for example, supported on the back unit 16 and the seat unit 12 thereby forward relocated.
  • the same can be achieved by the actuating lever 37, which allows this movement when actuated and generates an initial thrust for the transfer.
  • FIG. 2a The intermediate state reached in this way is in FIG. 2a shown.
  • this displacement of the seat unit 12 simultaneously leads to a displacement of the leg unit 14 relative to the seat unit 12.
  • This is, guided primarily by the pivot lever 36, 38, largely free from swiveling forward relocated.
  • the displacement of the leg unit is not limited to that amount, which results from the pivot lever 36, 38 and is displaced by the intermediate carrier 30.
  • an additional displacement of the carrier 28 is achieved due to the active coupling of the carrier 28 and its front pivot lever 42 with the intermediate carrier 30 and the rear pivot lever 36 via the transmission lever 58.
  • the displacement of the leg unit 14 relative to the seat unit 12 is thus composed of the pivotal displacements of the intermediate carrier 30 relative to the frame 26 and the carrier 28 relative to the intermediate carrier 30.
  • the seat unit 12 with the seat unit side frame 26 and with all the mechanical components of the subcarrier 30, the carrier 28 and the leg unit 14 are identical to the embodiment of FIG Fig. 1 to 3 designed so that reference is made to the description there.
  • the peculiarity of the embodiment of 4 to 6 as well as the subsequently explained embodiment of the Fig. 7 to 10 is that the respective piece of furniture can be used not only in the manner already described between a first use position with the leg unit 14 under the seat unit 12 and a second use position with leg unit 14 in front of the seat unit 12, but also has a third use position in the when the leg unit 14 is extended, the backrest 16 is significantly lowered so that comfortable lying on the furniture is made possible.
  • the backrest in the third use position 16 is not displaced further backward, or only to a small extent, despite its orientation suitable for lying relative to the first use position, so that the piece of furniture in the first use position can be arranged flush with a wall and still allows the transfer to the third use position and the possibility of lying provided by it, without the movement of the backrest 16 is obstructed by the wall.
  • the displaceability of the seat unit is not limited to that extent that is provided by displacement lever 32, 34.
  • a relocation unit 80 is provided, which is provided functionally between the base 18 and the seat unit 12 with frame 26 and which in turn is also displaced forward.
  • the displacement unit 80 itself is in the case of the embodiment of 4 to 6 in addition, even movable towards the base. As a result, a further increased mobility of the seat unit 12 relative to the base is achieved.
  • the relative mobility of the displacement unit 80 relative to the base 18 is achieved by two slide tracks 18b, 18c, which are provided in side surfaces of the base 18 and in each of which a guide roller 82a, 82b is used, which are rotatably mounted on the displacement unit.
  • the slide tracks 18b, 18c are inclined slightly rising to the front.
  • the lying option is to be made available as a third state of use of the seat piece of furniture, the coupling of the backrest support 90 to the other components of the seat piece of furniture deviating from the design of the Fig. 1 to 3 realized.
  • the whereabouts of the guide rollers 82a, 82b in the initial position during the transition to the second state of use Fig. 8a, 8b is on the one hand by the inclined orientation of the slide tracks 18b, 18c conditional.
  • a deliberate or unintentional displacement of the displacement unit 80 is in this first transition phase in the second state of use, however, also prevented by the backrest support 90, a tab 94 is pivotally mounted, in which a slot 94 a is provided.
  • a slot 94a projects into a bolt 32c, which is provided at the front of the displacement lever 32, 34 and in the first use state of the Fig. 4a and 4b at a the slot 94a end abuts limiting stop area.
  • the bolt 32c and the slot 94a thereby prevent the first use state of Fig. 4a, 4b an immediate lowering of the backrest.
  • the backrest is therefore at the transition from the first state of use FIGS. 4a, 4b in the second state of use of Fig. 5a, 5b lowered only slightly. This small amount is dictated by the shape of an upper portion of the slide track 18a.
  • the pivot axis 34b of the backrest 16 is displaced forward and the backrest 16 guided by the rollers 96 in the slide tracks 18a slightly pivoted. Basically, would be by a different shape of the slide tracks 18a in the upper section also a design possible in which the transfer from the first to the second state of use does not cause any pivotal movement of the backrest 16.
  • the piece of furniture can therefore now in the third state of use of Fig. 6a, 6b be transferred, in which the backrest 16 is pivoted much further down.
  • This transfer to the third state of use is initiated by the occupant that presses his back against the backrest 16 and / or the seat unit 12 pushes forward.
  • FIGS. 7 to 10 is functional to the embodiment of 4 to 6 very similar. Also the piece of furniture, whose fitting in the FIGS. 7 to 10 is intended for use in a first, second and third use state, wherein again in the first state of use, the backrest 16 is upright and the leg unit 14 is retracted, in the second use state, the leg unit 14 is extended and in the third use state with extended leg unit 14, the backrest 16 is significantly pivoted to achieve a lying position.
  • FIG. 7 shows an exploded view in which the lever system 70 has been replaced by the displacement unit 80 for explanatory purposes.
  • the entire assembly consisting of the displacement unit 80, the seating unit 12 pivotally mounted thereto by the displacement levers 32, 34 and the frame 30 and the intermediate support 30 pivotally mounted thereon are functionally almost identical to the design of the displaceable support 28 of the FIGS. 4 to 6 is trained.
  • the only functional differences are the elimination of the sliding rollers 82a, 82b and in the presence of an additional control lever 92 for connecting the backrest support 92, the function will be explained below.
  • the additional lever system 70 has a base fixed mounted mounting bar 71, opposite the two movement lever 72, 74 are displaced. These movement levers 72, 74 are each not directly pivotally mounted on the mounting bar, but by means of further intermediate lever, which will be explained below.
  • the two movement levers 72, 74 in turn have bores which define pivot axes 72a, 74a, in the region of which the displacement unit 80 pivotally mounted on the movement levers 72, 74 are mounted.
  • the intermediate lever by means of which the movement lever 72, 74 relative to the mounting bar 71 are defined movable, serve the purpose of ensuring a mobility of the displacement unit 80 relative to the mounting strips, which corresponds approximately to the mobility, which in the embodiment of 4 to 6 provided by the slide tracks 18b, 18c.
  • the intermediate levers ensure an approximately linear mobility.
  • This movement lever 74 is mounted by two pivotable intermediate lever 75, 76 on the mounting bar. Of particular importance is the lower intermediate lever 75. This is matched to the movement lever 74 such that the distance between the pivot axis 74a, in the region of which the displacement unit 80 is mounted on the movement lever 74 to the pivot axis 74b to the intermediate lever 75 pivotally on Moving lever 74 is mounted, substantially corresponding to the distance between the pivot axis 74b and the pivot axis 75a to which the intermediate lever 75 is pivotally hinged to the mounting bar 71.
  • the lever system 70 is thus able to replace the slide tracks 18b, 18c of the previous embodiment. It ensures a nearly identical relative mobility of the displacement unit 80 relative to the base 18.
  • this control lever 92 instead mounted pivotally on the rear movement lever 72 about the pivot axis 72d.
  • Fig. 8a and 8b Starting from the first state of use of Fig. 8a and 8b leads a forward displacement of the seat unit 12 with its frame 26 against the initially stationary to each other remaining elements of the displacement unit 80 and the fixed base mounted lever system 70 for extending the leg unit in the same manner as in the previous embodiments.
  • Fig. 9a and 9b After reaching the second state of use of Fig. 9a and 9b leads a further forward displacement of the seat unit and a force applied to the backrest and thus the backrest support 90 that due to the active coupling via the control lever 92, the pivot axes 74a, 72a are moved approximately linearly and slightly rising along the dotted line relative to the base fixed mounting bar 71 forward , wherein it comes at the same time to a pivoting of the backrest 16.
  • Fig. 10a, 10b which is the third state of use, allows the seating furniture a comfortable reclining position.
  • a piece of furniture according to the invention can comprise further subunits which can be stationary relative to the described subunits or can be moved separately relative thereto. These include in particular armrests, which may preferably be provided fixed to the seat unit.
  • the specifically named components which are fixed to the various units, the base, the seat unit, the leg unit and the backrest unit are provided to be understood by way of example.
  • the mounting strips 24, 71 and the side parts of the base, the seat frame 26, the intermediate support 30, the leg unit support 28 and the back support 90 can be replaced by other components that are suitable for mounting the respective functional elements such as lever and slide tracks without thereby departing from the subject matter of the invention.

Landscapes

  • Health & Medical Sciences (AREA)
  • Dentistry (AREA)
  • General Health & Medical Sciences (AREA)
  • Chairs For Special Purposes, Such As Reclining Chairs (AREA)
  • Seats For Vehicles (AREA)
  • Chairs Characterized By Structure (AREA)

Claims (18)

  1. Elément de siège (10) avec
    - une base (18) fixe lors de l'utilisation de l'élément de siège,
    - une unité de siège (12) avec une surface d'assise (12a) et
    - une unité repose-jambes (14) mobile par rapport à l'unité de siège avec une surface (14a) pour poser les jambes,
    dans lequel l'unité repose-jambes (14) est déplaçable au moyen d'un mécanisme de mouvement (20) entre une position de rangement, dans laquelle la surface pour poser les jambes (14a) est disposée en dessous de l'unité de siège (12), et une position d'utilisation, dans laquelle la surface pour poser les jambes (14a) est disposée devant l'unité de siège (12),
    caractérisé en ce que
    - le mécanisme de mouvement (20) est conçu pour déplacer l'unité repose-jambes (14) de la position de rangement, dans laquelle la surface pour poser les jambes (14a) est sensiblement horizontale, à la position d'utilisation, dans laquelle la surface pour poser les jambes (14a) est également sensiblement horizontale,
    - le mécanisme de mouvement (20) présente un support intermédiaire (30),
    - dans lequel le support intermédiaire (30) est déplaçable par rapport à l'unité de siège (12) au moyen d'un premier guidage pivotant (36, 38), dans lequel le premier guidage pivotant (36, 38) présente au moins un premier levier pivotant postérieur (36) entre le support intermédiaire (30) et l'unité de siège (12) ou la base, et
    - dans lequel l'unité repose-jambes est déplaçable par rapport au support intermédiaire (30) au moyen d'un deuxième guidage pivotant (42, 44), dans lequel le deuxième guidage pivotant (42, 44) présente au moins un premier levier pivotant antérieur (42) entre le support intermédiaire (30) et l'unité repose-jambes (28).
  2. Elément de siège (10) selon la revendication 1,
    caractérisé en ce que
    le premier levier pivotant postérieur (36) du premier guidage pivotant est articulé d'une part sur l'unité de siège (12) de façon pivotante autour d'un premier axe de pivotement (36b) et est articulé d'autre part sur le support intermédiaire (30) de façon pivotante autour d'un deuxième axe de pivotement (36c).
  3. Elément de siège (10) selon la revendication 1 ou 2,
    caractérisé en ce qu'il est prévu des premiers moyens de guidage forcé (36, 38), par lesquels, à chaque position basculée du premier levier pivotant postérieur (36) du premier guidage pivotant par rapport à l'unité de siège (12) est associée une position basculée provoquée de ce fait du support intermédiaire (30) par rapport au premier levier pivotant postérieur (36), dans lequel le premier guidage pivotant (36, 38) présente de préférence à cet effet un deuxième levier pivotant postérieur (38), qui est articulé sur l'unité de siège (12) de façon pivotante autour d'un troisième axe de pivotement (38b) espacé par rapport au premier axe de pivotement (36b) et est articulé d'autre part sur le support intermédiaire (30) de façon pivotante autour d'un quatrième axe de pivotement (38c) espacé par rapport au deuxième axe de pivotement (36c).
  4. Elément de siège (10) selon l'une des revendications 2 ou 3,
    caractérisé en ce que
    le premier levier pivotant postérieur (36) est agencé de telle manière qu'il reste entièrement en arrière d'un bord antérieur de la surface d'assise (12a) indépendamment de la position du support intermédiaire (30), dans lequel le deuxième levier pivotant postérieur (38) est de préférence également agencé de telle manière qu'il reste entièrement en arrière du bord antérieur de la surface d'assise (12a) indépendamment de la position du support intermédiaire (30).
  5. Elément de siège (10) selon l'une quelconque des revendications précédentes,
    caractérisé en ce que
    le premier levier pivotant antérieur (42) du deuxième guidage pivotant est articulé d'une part sur le support intermédiaire (30) de façon pivotante autour d'un cinquième axe de pivotement (42a) et est articulé d'autre part sur l'unité repose-jambes (14) d'une façon pivotante autour d'un sixième axe de pivotement (42b).
  6. Elément de siège (10) selon la revendication 5,
    caractérisé en ce qu'il est prévu des deuxièmes moyens de guidage forcé (42, 44), par lesquels, à chaque position basculée du premier levier pivotant antérieur (42) par rapport au support intermédiaire (30) est associée une position basculée provoquée de ce fait de l'unité repose-jambes (14) par rapport au premier support intermédiaire (30), dans lequel le deuxième guidage pivotant (42, 44) présente à cet effet un deuxième levier pivotant antérieur (44), qui est articulé sur le support intermédiaire (30) de façon pivotante autour d'un septième axe de pivotement (44a) espacé par rapport au cinquième axe de pivotement (42a) et est articulé d'autre part sur l'unité repose-jambes (14) de façon pivotante autour d'un huitième axe de pivotement (44b) espacé par rapport au sixième axe de pivotement (42b).
  7. Elément de siège selon la revendication 6,
    caractérisé en ce que
    - le cinquième axe de pivotement (42a) et le sixième axe de pivotement (42b) du premier levier pivotant antérieur (42) présentent l'un par rapport à l'autre une distance, qui diffère de la distance entre le septième axe de pivotement (44a) et le huitième axe de pivotement (44b) du deuxième levier pivotant antérieur (44) et/ou
    - le premier levier pivotant antérieur (42) et le deuxième levier pivotant antérieur (44) présentent une orientation différente l'un de l'autre.
  8. Elément de siège selon l'une quelconque des revendications précédentes,
    caractérisé en ce que
    le premier levier pivotant postérieur (36) du premier guidage pivotant (36, 38) est couplé au premier levier pivotant antérieur (42) du deuxième guidage pivotant (42, 44) de telle manière qu'un mouvement de pivotement du premier levier pivotant postérieur (36) par rapport à l'unité de siège (12) provoque un mouvement pivotant du premier levier pivotant antérieur (42) du deuxième guidage pivotant (42, 44) par rapport au support intermédiaire (30) et dès lors un mouvement de l'unité repose-jambes (14) par rapport au support intermédiaire (30).
  9. Elément de siège selon la revendication 8,
    caractérisé en ce que
    le premier levier pivotant postérieur (36) et le premier levier pivotant antérieur (42) sont couplés l'un à l'autre de telle manière qu'il se produise des mouvements pivotants de sens contraire.
  10. Elément de siège selon la revendication 8 ou 9,
    caractérisé en ce que
    le premier levier pivotant postérieur (36) du premier guidage pivotant (36, 38) et le premier levier pivotant antérieur (42) du deuxième guidage pivotant (42, 44) sont reliés l'un à l'autre par une barre de commande (58), dans lequel la barre de commande (58), rapportée de préférence à une ligne limite imaginaire, qui relie le deuxième axe de pivotement (36c) au cinquième axe de pivotement (42a), est articulée sur le premier levier pivotant postérieur (36) sur un côté de la ligne limite et sur le premier levier pivotant antérieur (44) sur le côté opposé de la ligne limite.
  11. Elément de siège (10) selon l'une quelconque des revendications précédentes, caractérisé en ce que l'unité de siège (12) est déplaçable par rapport à la base (18) de l'élément de siège (10), dans lequel le mouvement relatif de l'unité de siège (12) par rapport à la base (18) est activement couplé au mouvement relatif du support intermédiaire (30) par rapport à l'unité de siège (12), dans lequel la mobilité de l'unité de siège (12) par rapport à la base (18) est de préférence fournie par deux leviers de déplacement (32, 34), qui sont respectivement articulés sur la base (18) et sur l'unité de siège (12).
  12. Elément de siège selon l'une quelconque des revendications précédentes,
    caractérisé en ce que
    la base (18) et l'unité de siège (12) sont reliées l'une à l'autre par une unité de déplacement (80), dans lequel cette unité de déplacement (80) est mobile par rapport à la base (18) et dans lequel l'unité de siège (12) est mobile par rapport à l'unité de déplacement (80), dans lequel
    - l'unité de déplacement (80) est déplaçable vers l'avant par rapport à la base (18) le long d'un chemin de déplacement à partir d'une position de base, dans lequel
    - le chemin de déplacement est de préférence linéaire ou approximativement linéaire et/ou
    - le chemin de déplacement monte en direction de l'avant,
    et/ou dans lequel, pour le déplacement de l'unité de déplacement (80) par rapport à la base (18),
    - il est prévu un système de leviers (70), qui comporte au moins un levier de mouvement (72, 74), qui est articulé de façon pivotante sur l'unité de déplacement et qui est pour sa part guidé par au moins deux leviers intermédiaires, qui sont articulés de façon pivotante sur la base (18 ; 71), ou
    - il est prévu un système de coulisses (82a, 82b, 18b, 18c), qui comporte au moins une piste de coulisse (18b, 18c), dans laquelle au moins un coulisseau / un galet (82a, 82b) est agencé.
  13. Elément de siège selon la revendication 12,
    caractérisé en ce qu'au moins un levier de mouvement (74) est articulé sur la base (18, 71) au moyen d'un premier et d'un deuxième leviers intermédiaires (75, 76), dans lequel les trois distances suivantes:
    - la distance entre un axe de pivotement (74b), autour duquel le premier levier intermédiaire (75) est articulé sur le levier de mouvement (74), et un axe de pivotement (74a), autour duquel le levier de mouvement (74) est articulé de façon pivotante par rapport à l'unité de déplacement (80),
    - la distance entre l'axe de pivotement (74b), autour duquel le premier levier intermédiaire (75) est articulé sur le levier de mouvement (74), et un axe de pivotement (74c), autour duquel le levier de mouvement (74) est articulé de façon pivotante sur le deuxième levier intermédiaire (76), et
    - la distance entre l'axe de pivotement (74b), autour duquel le premier levier intermédiaire (75) est articulé sur le levier de mouvement (74), et un axe de pivotement (75a), autour duquel le premier levier intermédiaire (75) est monté de façon pivotante sur la base,
    diffèrent l'une de l'autre de 20 % au maximum.
  14. Elément de siège selon l'une quelconque des revendications précédentes, caractérisé en ce que l'élément de siège est convertible entre
    - un premier état d'utilisation, dans lequel l'unité repose-jambes se trouve dans sa position de rangement,
    - un deuxième état d'utilisation, dans lequel l'unité repose-jambes se trouve dans sa position d'utilisation, et
    - un troisième état d'utilisation, dans lequel l'unité repose-jambes se trouve dans sa position d'utilisation et dans lequel le dossier se trouve dans une orientation plus basse que son orientation dans le deuxième état d'utilisation.
  15. Elément de siège selon l'une quelconque des revendications précédentes, caractérisé en ce que
    - l'unité de dossier (16) est inclinable par rapport à l'unité de siège (12) autour d'un axe de dossier (34a), dans lequel l'axe de dossier (34a) est déplaçable en même temps que l'unité de siège (12) par rapport à la base (18), et
    - il est prévu un système de guidage de dossier (92; 18a, 96; 72, 92), par lequel l'unité de dossier (16) est inclinée autour de l'axe de dossier (34a) en fonction de la position relative de l'unité de siège (12) par rapport à la base (18) et/ou de la position relative de l'unité de déplacement (80) par rapport à la base (18),
    dans lequel le système de guidage de dossier (92; 18a, 96; 72, 92) est de préférence réalisé de telle manière que, en partant du deuxième état d'utilisation par inclinaison du dossier (16) en direction d'une orientation plus basse, l'unité de déplacement (80) et l'unité de siège (12) se déplacent de concert vers l'avant.
  16. Elément de siège selon la revendication 15,
    caractérisé en ce que
    - le système de guidage de dossier (18a, 96) comprend au moins une piste de coulisse (18a), dans laquelle un coulisseau / un galet (96) est agencé, ou
    - le système de guidage de dossier comporte un levier de commande (92) monté sur l'unité de dossier (16) de façon excentrique par rapport à l'axe de dossier (34a), qui est monté d'une part de façon articulée sur l'unité de dossier (16) et qui est monté d'autre part de façon articulée sur la base (18) ou sur un des leviers de mouvement (72, 74).
  17. Elément de siège selon l'une quelconque des revendications 12 à 16,
    caractérisé en ce que
    - il est prévu un premier système de blocage (32c, 94, 94a), par lequel, dans l'état de rangement de l'unité repose-jambes (14) un déplacement de l'unité de déplacement (80) par rapport à la base (18) est bloqué, et/ou
    - il est prévu un deuxième système de blocage (32c, 94, 94a), par lequel, dans le troisième état d'utilisation, un déplacement de l'unité repose-jambes (14) par rapport à l'unité de siège (12) est bloqué,
    dans lequel il est de préférence prévu un système de blocage unitaire, qui remplit la fonction du premier et du deuxième systèmes de blocage et présente à cet effet deux butées (32c, 94a), qui s'appliquent l'une contre l'autre aussi bien dans le premier que dans le troisième état d'utilisation.
  18. Système de garniture (22) pour un élément de siège selon l'une quelconque des revendications précédentes, avec une base (18), une unité de siège (12) et une unité repose-jambes (14), qui est réalisé en vue du déplacement de l'unité repose-jambes (14) entre une position de rangement, dans laquelle l'unité repose-jambes (14) se trouve en dessous de l'unité de siège (12), et une position d'utilisation, dans laquelle l'unité repose-jambes (14) est disposée devant l'unité de siège (12), dans lequel le système de garniture (22) comporte à cet effet un mécanisme de mouvement (20), qui est conçu pour être monté sur la base (18) et/ou l'unité de siège (12) d'une part et sur l'unité repose-jambes (14) d'autre part, caractérisé en ce que
    - le mécanisme de mouvement (20) est réalisé pour déplacer l'unité repose-jambes (14) de la position de rangement, dans laquelle l'unité repose-jambes (14) est sensiblement horizontale, à la position d'utilisation, dans laquelle l'unité repose-jambes (14) est également sensiblement horizontale,
    - le mécanisme de mouvement (20) présente un support intermédiaire (30)
    - dans lequel le support intermédiaire est déplaçable au moyen d'un premier guidage pivotant (36, 38) par rapport à une partie de fixation (12) côté unité de siège, dans lequel le premier guidage pivotant (36, 38) présente au moins un premier levier pivotant postérieur (36) entre le support intermédiaire (30) et la partie de fixation (12), côté unité de siège, et
    - dans lequel une partie de fixation côté unité repose-jambes est déplaçable par rapport au support intermédiaire au moyen d'un deuxième guidage pivotant, dans lequel le deuxième guidage pivotant présente au moins un premier levier pivotant antérieur entre le support intermédiaire et la partie de fixation côté unité repose-jambes.
EP13167391.5A 2013-05-10 2013-05-10 Elément de siège et sa garniture Active EP2801293B1 (fr)

Priority Applications (6)

Application Number Priority Date Filing Date Title
ES13167391.5T ES2565230T3 (es) 2013-05-10 2013-05-10 Mueble de asiento y herraje para el mismo
EP13167391.5A EP2801293B1 (fr) 2013-05-10 2013-05-10 Elément de siège et sa garniture
PL13167391T PL2801293T3 (pl) 2013-05-10 2013-05-10 Mebel do siedzenia i okucie do niego
US14/098,891 US9247822B2 (en) 2013-05-10 2013-12-06 Item of seating furniture and fitting therefore
PCT/EP2014/057495 WO2014180629A1 (fr) 2013-05-10 2014-04-14 Siège et système d'armature associé
CN201480026583.3A CN105705063B (zh) 2013-05-10 2014-04-14 座椅式家具及其附件系统

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP13167391.5A EP2801293B1 (fr) 2013-05-10 2013-05-10 Elément de siège et sa garniture

Publications (2)

Publication Number Publication Date
EP2801293A1 EP2801293A1 (fr) 2014-11-12
EP2801293B1 true EP2801293B1 (fr) 2015-12-30

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US (1) US9247822B2 (fr)
EP (1) EP2801293B1 (fr)
CN (1) CN105705063B (fr)
ES (1) ES2565230T3 (fr)
PL (1) PL2801293T3 (fr)
WO (1) WO2014180629A1 (fr)

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DE202018105224U1 (de) 2018-09-12 2018-09-24 Rolf Benz Ag & Co. Kg Sitzmöbel mit beweglicher Fußstütze

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ES2565230T3 (es) 2016-04-01
US20140333108A1 (en) 2014-11-13
CN105705063A (zh) 2016-06-22
PL2801293T3 (pl) 2016-06-30
CN105705063B (zh) 2017-12-01
EP2801293A1 (fr) 2014-11-12
US9247822B2 (en) 2016-02-02
WO2014180629A1 (fr) 2014-11-13

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