EP3850992B1 - Beinauflagebeschlag - Google Patents

Beinauflagebeschlag Download PDF

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Publication number
EP3850992B1
EP3850992B1 EP20215249.2A EP20215249A EP3850992B1 EP 3850992 B1 EP3850992 B1 EP 3850992B1 EP 20215249 A EP20215249 A EP 20215249A EP 3850992 B1 EP3850992 B1 EP 3850992B1
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EP
European Patent Office
Prior art keywords
leg support
pivot
leg rest
use position
pivot arm
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
EP20215249.2A
Other languages
German (de)
English (en)
French (fr)
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EP3850992A1 (de
Inventor
Lars Philipp Kiskämper
Hans-Joachim Kollmeier
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.)
Confer GmbH
Original Assignee
Confer GmbH
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Filing date
Publication date
Application filed by Confer GmbH filed Critical Confer GmbH
Publication of EP3850992A1 publication Critical patent/EP3850992A1/de
Application granted granted Critical
Publication of EP3850992B1 publication Critical patent/EP3850992B1/de
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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
    • A47C7/506—Supports for the feet or the legs coupled to fixed parts of the chair of adjustable type
    • A47C7/5066—Supports for the feet or the legs coupled to fixed parts of the chair of adjustable type by rotation
    • A47C7/5068—Supports for the feet or the legs coupled to fixed parts of the chair of adjustable type by rotation actuated by linkages

Definitions

  • the invention relates to a leg rest fitting for the reversible adjustment of a leg rest of a piece of seating and/or reclining furniture from a use position to a non-use position and back, comprising a displacement unit with a carriage that can be moved translationally in a frame and comprising a swivel unit with a first swivel arm, the leg rest being attached to a first leg rest end of the first swivel arm and wherein the first swivel arm is pivotably connected to the carriage of the displacement unit at a first swivel arm end opposite the leg rest via a first swivel joint rotatable about a first swivel axis.
  • Such a known leg rest fitting in a known piece of seating and/or reclining furniture makes it possible to install the leg rest in the non-use position almost invisibly and in a space-saving manner below a seat part of the seating and/or reclining furniture.
  • the leg rest is moved out from under the seat part via the displacement unit to a front side and by swiveling up the first swivel arm of the swivel unit to a comfortable height in the region of a seat height of the seat part spent.
  • An adjustment of the leg rest from the position of use back to the position of non-use takes place correspondingly recursively.
  • a leg rest fitting of the aforementioned type is from DE 20 2012 000 391 U1 known.
  • the leg rest is moved from the non-use position to the use position by a definable displacement path via a lever-mechanical starting aid device towards the front in the frame so that it can be gripped by an operator and manually pivoted into the use position.
  • the leg rest In the position of use, the leg rest is held in place by a releasable locking device.
  • the object of the present invention is therefore to specify an improved leg rest fitting.
  • the invention is characterized in connection with the preamble of patent claim 1, characterized in that in the first swivel arm end of the first swivel arm a lever protrusion protruding at least in sections over the first swivel axis of the first swivel joint on a rear side opposite the leg rest and on a top side opposite a floor with a contact surface designed as a starting bevel and the first pivot axis of the first pivot joint, at least in sections on the Auxiliary contact surface that protrudes above the top and is opposite the contact surface is formed, with the auxiliary contact surface and a surface facing the leg rest forming a protrusion in the first pivot arm end of the first pivot arm and with the pivot arms rotating around the pivot joints to move the leg rest from the non-use position to the use position, in that the The carriage of the displacement unit is moved towards a front side in the frame in such a way that the contact surface of the lever projection of the first swivel arm is against a
  • the particular advantage of the invention is that the contact surface designed as a run-on bevel in the lever projection of the first swivel arm and the deflection element held stationary on the frame form a restraint for a swivel movement of the first swivel arm if the carriage of the displacement unit has moved into the area of the deflection element .
  • the weight of the leg rest and the pivoting unit has an advantageous effect here, since it constantly presses the contact surface against the deflection element during the pivoting movement of the first pivoting arm. As a result, the leg rest pivots up and down in a defined manner via the starting bevel.
  • the positive guidance described above converts a translational movement of the carriage of the displacement unit into an additional pivoting movement of the pivoting unit that overlaps in time.
  • This makes it possible to reversibly adjust the leg rest from the non-use position to the use position and back with a simple linear drive mechanism or drive unit fully automatically and positively.
  • the auxiliary contact surface of the formation formed in the first pivoting arm prevents the legrest from being pressed against the seat cushion when being adjusted from the use position to the non-use position if the pivoting unit is blocked from pivoting back, for example because there is an object under the legrest.
  • the first pivoting arm is forcibly pivoted down when the carriage of the displacement unit moves back to the rear side by abutting the auxiliary contact surface against the deflection element.
  • a suitable drive unit for the translational movement of the carriage of the displacement unit along the frame is, in particular, an electric motor belt drive.
  • the carriage is coupled to a belt, which is connected via a substantially parallel to the frame via at least one deflection roller and an electric motor-driven drive roller opposite the deflection roller is led.
  • the auxiliary contact surface opposite the contact surface on the first swivel arm also secures the leg rest fitting against swiveling up too far beyond the use position of the leg rest in the event of slight play, by forming a safety swivel stop which, if the first swivel arm swivels up too far, hits the deflection element of the frame strikes and blocks further upward pivoting. Any damage caused by swinging the legrest up too far is thus prevented.
  • the contact surface and the auxiliary contact surface are oriented at an angle to one another and/or form a V-shaped pivoting recess, the pivoting recess deflecting the deflection element of the frame when the first pivoting arm rotates for reversibly adjusting the legrest from the non-use position to the use position and back at least partially encompassed.
  • the pivoting recess makes it possible for the contact surface to be placed unhindered against the deflection element of the frame and moved further relative to it when the carriage of the displacement unit is moved forward in a translatory manner.
  • the auxiliary contact surface protects the leg rest from swinging up too far.
  • the deflection element is preferably encompassed by the pivoting recess in such a way that the auxiliary contact surface is kept contact-free with the deflection element when the leg rest is pivoted up into the position of use and is only placed against the deflection element when the leg rest is pivoted up to a position slightly above the intended position of use. This prevents unnecessary frictional forces between the auxiliary contact surface and the deflection element when the leg rest is pivoted as intended.
  • the auxiliary contact surface of the formation is shaped and designed in such a way that when the leg rest is moved from the use position to the non-use position in a blocking situation, in which the contact surface of the lever projection is provided at a distance from the deflection element and the deflection element is at least partially away from the pivoting recess is embraced, the auxiliary contact surface is applied to the deflection element in such a way that the pivoting unit is pivoted downwards.
  • the auxiliary contact surface is then applied to the deflection element as a result of a resistance acting against the weight of the leg rest, so that when the carriage of the displacement unit is retracted to move the leg rest from the use position to the non-use position, the swivel unit is forcibly pivoted down. This can prevent the leg rest from being pressed against the seat cushion and causing damage to the furniture for sitting and/or lying down or the leg rest fitting.
  • the deflection element of the frame is oriented horizontally or at least has a circular cross-section and/or a rotatably mounted roller shell at the level of a contact area of the deflection element against which the contact surface is applied when the first pivot arm rotates.
  • the deflection element is advantageously oriented horizontally, like the axes of the pivoting unit.
  • the contact surface of the first swivel arm can be applied to the deflection element without play in relation to a horizontal horizontal axis of the deflection element or can be displaced relative to the deflection element. This results in a stable and precise restraint for the pivoting of the leg rest.
  • a rotatably mounted roller shell of the deflection element at the level of the contact area with the contact surface applied thereto or guided along it ensures particularly advantageous low-friction and stable forced guidance.
  • a displacement path over which the carriage of the displacement unit can be displaced in the frame is limited towards the front by a stop on the frame.
  • the carriage of the displacement unit In the position of use of the leg rest, the carriage of the displacement unit is moved up to the stop, with the rotation of the first swivel arm for reversible adjustment of the leg rest from the non-use position to the use position and back
  • Auxiliary contact surface of the formation of the first pivot arm end of the first pivot arm between the stop and the deflection element is at least partially held engaging in the frame.
  • the front stop of the frame prevents the carriage from moving out too far in the frame and defines an end position for the displacement path of the carriage of the displacement unit.
  • the leg rest is prevented from pivoting down out of the usage position by the interaction of the frame and the forced guidance formed by the contact surface and the deflection element until the carriage of the displacement unit is moved back in the direction of a rear side opposite the front side.
  • the reason for this is that the weight of the leg rest and the swivel unit presses the contact surface against the deflection element. Since the contact surface is kept inclined towards the front while it is in contact with the deflection element, a movement of the carriage towards the front causes the leg rest to swing up due to the weight of the same. Moving the carriage towards the rear causes the first swivel arm or the leg rest to swivel down. Consequently, a height or a pivot end position for the use position of the leg rest can be adjusted via a distance between the stop and the deflection element or via an inclination with which the contact surface of the first pivot arm is held in the use position.
  • the pivoting unit has a second pivoting arm with a second leg rest end, on which the leg rest is pivotably held via a second leg rest joint, and with a second pivot arm end opposite the leg rest, which is pivotally held on the carriage of the displacement unit via a second pivot joint is.
  • the leg rest can be swiveled in a defined direction using the two swivel arms.
  • a particularly advantageous embodiment of the leg rest fitting according to the invention provides that the pivoting arms are essentially C-shaped, with the ends of the pivoting arms having a different inclination and/or length.
  • the axes that pass through the swivel arms are arranged in an offset manner.
  • leg rest when Pivoting the pivot arms undergoes an inclination and can be pivoted with a defined orientation.
  • the leg rest can be held parallel to the frame in the non-use position and thus be retracted into it in a particularly compact manner.
  • the leg rest In a particularly advantageous position of use, the leg rest is oriented slightly inclined towards the front for a particularly high level of comfort when sitting or lying down.
  • the swivel unit has a leg rest support device, via which the leg rest is connected to the swivel arms.
  • a particularly advantageous embodiment of the leg rest fitting according to the invention provides that the leg rest support device has a linear displacement unit.
  • an adjustable adjustment device is provided on the carriage of the displacement unit.
  • the weight of the pivoting unit is supported on the adjusting device, in that a pivoting arm of the pivoting unit is placed against an adjusting element of the adjusting device that is held displaceably on the carriage.
  • a defined position for the leg rest in the non-use position can be set via the adjustment device by the pivot arm applied to the adjustment element in the non-use position of the leg rest rotating about the pivot axis as a result of a rotational and/or translatory adjustment of the adjustment element.
  • the adjusting device keeps the legrest in the non-use position and prevents the pivoting arms from coming into contact with the floor when the legrest is adjusted.
  • the position information above, below, in front, behind and the like always refers to the leg rest fitting in an installation position in which it is mounted on the frame of the piece of seating and/or lying furniture on a side opposite the seat part, with the seat - and/or couch furniture is supported on feet supported on a floor.
  • the position information above and below relates to the vertical distance to the ground. Above means a position away from the ground, below means a position closer to the ground.
  • FIG. 1 is a schematic perspective partial view of an embodiment of a piece of seating and/or reclining furniture 1 with a leg rest 6 in a non-use position.
  • the piece of furniture for sitting and/or lying down 1 is shown schematically with only one foot 68 and with a frame 3 that is only partially upholstered and is mostly open.
  • a substantially horizontally oriented upholstered seat part 66 and a vertically inclined upholstered back part 67 are supported on the frame 3 .
  • the leg rest 6 is held under the seat part 66 in the non-use position shown here.
  • the leg rest 6 shows the seating and/or reclining furniture 1 with the leg rest 6 in a position of use.
  • the leg rest 6 is opposite to the one in 1 shown non-use position to a front 41 out in front of the seat part 66 and pivoted up to a substantially equal height to a seat height of the seat part 66. In this case, the leg rest 6 is inclined slightly downwards towards the front side 41 in the position of use.
  • the 3 and 4 show the seating and/or lying furniture 1 1 each in a plan view. while there 3 a plan view of the seating and / or reclining furniture 1 with the leg rest 6 in the position of use. 4 shows a top view of the piece of furniture for sitting and/or lying down 1 with the leg rest 6 placed under the seat part 66 in the non-use position.
  • leg rest fitting 2 held on the frame 3 of the seating and/or reclining furniture 1.
  • An embodiment of the leg rest fitting 2 is described below with reference to FIG Figures 5 to 15 explained in more detail.
  • the 6 1 looks at a detail A of the seating and/or lying furniture 1 with an enlarged view figure 5 on the leg rest fitting 2 and the leg rest 6 fixed thereto in the non-use position.
  • the legrest fitting 2 comprises, as its essential main components, a displacement unit 5 with a carriage 30, which can be moved translationally relative to a longitudinal member 65 of the frame 3, a pivoting unit 4 with pivoting arms 22, 23, and a legrest support device 7, to which the legrest 6 is fixed.
  • a partial sectional view of the seating and / or lying furniture 1 after 1 is in 7 specified.
  • the leg rest 6 from the non-use position according to 6 into one to the front 41 translationally via the displacement unit 5 advanced intermediate position has been adjusted.
  • the carriage 30 of the displacement unit 5 has been moved here to about half the length of the longitudinal beam 65 of the frame 3 .
  • the leg rest 6 protrudes in sections towards the front side 41 under the seat part 66 of the piece of furniture for sitting and/or lying down 1, the leg rest 6 being oriented parallel to the seat part 66 as in the non-use position.
  • the carriage 30 of the displacement unit 5 is essentially designed in two parts and comprises a carriage 69 which is held so that it can be displaced linearly relative to the longitudinal member 65 of the frame 3 and a carriage carrier 70 which protrudes at least in sections from the longitudinal member 65 of the frame 3 towards a floor 42 and which is attached to the movable carriage 69 is held suspended above the floor 42.
  • the pivoting arms 22, 23 of the pivoting unit 4 connect the leg rest support device 7 to the carriage 30 of the displacement unit 5.
  • the pivoting arms 22, 23 of the pivoting unit 4 can each be pivoted on the carriage carrier with a pivot arm end 28, 29 opposite the leg rest 6 via pivot joints 14, 15 70 of the carriage 30 is held.
  • the leg rest support device 7 is pivotally held on the carriage 30 of the displacement unit 5 opposite leg rest ends 24, 25 of the pivot arms 22, 23 via leg rest joints 18, 19.
  • the pivot arms 22, 23 have a substantially C-shape, with their ends 24, 25, 28, 29 being held projecting vertically inclined from the floor 42 in the non-use position.
  • a middle section of the swivel arms 22, 23 formed between the ends 24, 25, 28, 29 is oriented horizontally in the non-use position of the leg rest 6 in each case.
  • the first swivel arm 22 is pivotably held on the carriage carrier 70 via a first swivel joint 14 .
  • the first swivel arm 23 forms a lever projection 27 in the first swivel arm end 28 above the first swivel joint 14, which at least partially engages in the longitudinal beam 65 of the frame 3, which in the illustrated embodiment of the leg rest fitting 2 forms a jagged lever projection tip 54.
  • a protrusion 57 which protrudes from the lever projection 27 in such a way that a substantially V-shaped pivoting recess 60 is formed between the lever protrusion 27 and the projection 57 .
  • the function of the lever projection 27 and the formation 57 will be discussed in more detail later.
  • the leg support support device 7 has a plate-shaped leg support support 12, to which the leg support 6 is fixed on the upper side.
  • the leg rest support device 7 also has a linear displacement unit, which is formed from a longitudinally profiled support rail 8 with a rail length S and from a leg support carriage 13 that can be moved translationally with respect to the support rail 8 in relation to a rail longitudinal axis 9 of the support rail 8 .
  • the linear displacement unit acts as a stroke extension, which ensures that the leg rest 6 is pushed forward in the usage position relative to the swivel arm 22 or relative to the leg rest joint 18 in addition to the front side 41 .
  • the leg rest support device 7 provides a lever mechanism designed as a lever chain 31 which connects the leg rest slide 13 to the first swivel arm 22 .
  • the lever chain 31 will be discussed in more detail later.
  • the linear displacement unit of the leg rest support device 7 is fixed on a side of the leg rest support 12 opposite the leg rest 6 .
  • a further partial sectional view according to a further section line II through the piece of furniture for sitting and/or lying down 1 3 is in the 8 specified.
  • the leg rest 6 is held in the position of use.
  • the carriage runner 69 of the carriage 30 of the displacement unit 5 has moved up to a stop 62 of the frame 3 facing the front side 41 .
  • the swivel arms 22, 23 are opposite to those in 7 shown intermediate position pivoted clockwise such that the leg rest 6 is held just below the seat height of the seat part 66.
  • the displacement unit 5 comprises a translational displacement of the carriage 30
  • the carriage runner 69 of the carriage 30 or a movement block 72 of the displacement unit 5 is coupled to the aluminum profile 73 and driven via the spindle.
  • the 9 and 10 show the leg rest fitting 2 in a single side view.
  • the leg rest support device 7 is held in the non-use position for the leg rest 6, with the leg rest 6 not being shown.
  • the frame 3 has a motor 63 with a motor feed line 64 on a rear side opposite the front side 41 .
  • the axes 16, 17, 20, 21 of the swivel joints 14, 15 and the opposite leg rest joints 18, 19 are each oriented horizontally.
  • the axes 16, 20 of the joints 14, 18 connected to the first swivel arm 22 have the same center distance as the axes 17, 21 of the joints 15, 19 connected to the second swivel arm 23. This ensures that the swivel arms 22, 23 when Pivoting are pivoted evenly and about the same pivoting path.
  • the axes 16, 20 of the joints 14, 18 connected to the first swivel arm 22 are offset in the horizontal direction towards the front 41 and in the vertical direction towards the bottom 42 compared to the axes 17, 21 of the joints connected to the second swivel arm 23 15, 19.
  • the first swivel arm 22 forms a lever chain projection 26 at the leg rest 6 facing the first leg rest end 24 above the first leg rest joint 18, which is held vertically inclined in the non-use position.
  • the lever chain projection 26 rotates correspondingly clockwise around the first joint axis 20 of the first leg rest joint 18.
  • the lever chain 31 connected to the lever chain projection 26 of the first swivel arm 22 is moved accordingly.
  • the lever chain 31 is formed from three chain links 34, 35, 36 which are pivotably connected to one another.
  • a first chain link 34 is pivotably fixed to the leg rest support 12 of the leg rest support device 7 via a first chain joint 37 at a second end 32 of the lever chain 31 opposite the first end 33 of the lever towards the front side 41 .
  • the first chain link 34 is pivotably connected to a central second chain link 35 via a second chain link 38 .
  • a third chain link 36 is pivotably connected to the second chain link 35 via a third chain link 39 .
  • the third chain link 36 has the first lever end 33 which is connected to the lever chain projection 26 and at which it is pivotably connected to the lever chain projection 26 via a fourth chain joint 40 .
  • the chain links 34, 35, 36 of the lever chain 31 are each of different lengths, with the first chain link 34 being significantly longer than the second chain link 35 and the third chain link 36.
  • the second chain link 35 and the third chain link 36 have a kink.
  • a fifth chain link 46 is provided in the area of a bend in the second chain link 35 and is fixed to the leg rest carriage 13 . In the illustrated non-use position of the leg rest 6, the chain links 34, 35, 36 are compactly pivoted into one another, with the first chain link 34 and the second chain link 35 being aligned almost parallel to one another.
  • leg rest joints 18, 19, via which the swivel arms 22, 23 are connected to the leg rest support device 7, are fixed in the leg rest slide 13.
  • the lever chain 31 connects the leg support carrier 12 and the support rail 8 fixed thereto to the first swivel arm 22 , which in turn is pivotably held on the leg support slide 13 via the first leg support joint 18 .
  • the lever chain 31 also prevents the support rail 8 from being able to detach from the leg rest carriage 3 .
  • the leg rest carriage 13 is designed in such a way that, when the leg rest 6 is in the non-use position, it can be moved in sections beyond a first rail end 10 of the support rail 8 facing the front side 41 can.
  • This has the advantage that the linear displacement unit has a comparatively large legrest displacement path X and the support rail 8 and the legrest carriage 13 can be made correspondingly shorter and thus comparatively compact and weight-saving. This displacement of the leg rest carriage 13 relative to the support rail 8 takes place when the leg rest 6 is brought into the position of use.
  • An adjusting device 44 is provided on the carriage carrier 70 of the carriage 30 of the displacement unit 5 .
  • a defined orientation in the non-use position can be set for the leg rest 6 via the adjustment device 44 .
  • the adjustment device 44 also supports a weight force of the swivel unit 4 and the leg rest 6 in the non-use position, in that the second swivel arm 23 rests against an adjustment element 45 of the adjustment device 44 with a second swivel arm outer side 75 opposite the leg rest 6 below the second swivel joint 15.
  • the adjustment element 45 acts as an adjustable swivel stop for the swivel unit 4 when the leg rest 6 is in the non-use position.
  • the adjustment device 44 holds the leg rest 6 above the floor 42 until the swivel unit 4 is swiveled to adjust the leg rest 6.
  • the adjustment device 44 can be seen in a detail B of the leg rest fitting 2 10 shown enlarged in a first mounting position. It includes the adjustment element 45 which is fixed to the carriage carrier 70 via a detachable connecting means 53 .
  • the adjustment element 45 has two congruent contact surfaces 47 located opposite one another, with a first contact surface being in contact with the carriage carrier 70 in the first assembly position.
  • the bearing surfaces 47 are connected to one another via a peripheral surface 52 .
  • the adjustment element 45 has an aperture 48 in the form of a slot with an aperture length L, which opens into the contact surfaces 47 on the inside and through which the connecting means 53 is passed in the first assembly position.
  • the peripheral surface 52 and the opening 48 are oriented perpendicularly to the bearing surfaces 47 .
  • the adjustment element 45 has a symmetrical shape in relation to a longitudinal axis 78 of the opening 48 .
  • first contact surface area 51 and in the Circumferential surface 52 formed second contact surface area 52 mirror-inverted. Both contact surface areas 51, 52 have the same inclination in relation to the longitudinal axis 49 of the opening.
  • the contact surface areas 51, 52 are aligned with the second swivel arm outer side 75 of the second swivel arm 23 in a form-fitting manner. In the first assembly position, the first contact surface region 51 is in contact with the second swivel arm outer side 75 of the second swivel arm 23 .
  • the adjustment element 45 is designed symmetrically in the illustrated embodiment, it can also be held on the carriage carrier 70 in an alternative, second assembly position (not illustrated). In this case, the adjustment element is rotated by 180° with respect to the longitudinal axis 48 of the opening relative to the first assembly position.
  • the connecting means 53 is passed through the opening 48 in the adjustment element 45 and fixed to the carriage carrier 70 of the displacement unit 5 .
  • a second contact surface 47 is in contact with the carriage carrier 70 .
  • the second contact surface area 52 is placed against the second swivel arm outside 75 of the second swivel arm 23 analogously to the first contact surface area 51 in the first assembly position.
  • the detachable connecting means 53 which fixes the adjustment element 45 to the carriage carrier 70, is designed as a screw.
  • the connecting means 53 is firmly tightened in the first and second assembly position of the adjustment device 44 .
  • the connecting means 53 can be released.
  • the adjustment element 45 can then be displaced in a translatory manner along the opening 48 . Since the contact surface areas 51, 52 applied to the second pivot arm 23 when the leg rest 6 is in the non-use position are inclined relative to the longitudinal axis 48 of the opening, translational displacement of the adjustment element 45 along the longitudinal axis 48 of the opening causes a displacement of the contact surface regions 51, 52 towards the front side 41 or in opposite direction from the front 41 away. In the embodiment according to 10 and 11 a downward displacement of the adjustment element 45 along the longitudinal axis 78 of the opening causes a displacement of the first contact surface region 51 toward the front side 41.
  • this adjustment of the adjustment element 45 causes the first swivel arm 23 to be held in a slightly clockwise rotated position when the leg rest 6 is in the non-use position, resulting in a slightly raised non-use position for the leg rest 6 .
  • a reverse displacement of the adjustment element 45 along the longitudinal axis 78 of the opening causes recursively a slight lowering of the leg rest 6 in the non-use position.
  • the adjustment element 45 can also be adjusted to align the leg rest 6 in the non-use position by being adjusted in rotation about a shaft axis of the connecting means 53 .
  • FIG. 12 shows the embodiment of the leg rest fitting 2 after 9 in a side sectional view.
  • the carriage 30 of the displacement unit 5 is moved up to the front stop 62 of the frame 3, and the pivoting arms 22, 23 of the pivoting unit 4 are pivoted up in a clockwise direction.
  • the lever chain projection 26 of the first pivot arm 22 has been pivoted in the use position of the leg rest 6 compared to the non-use position of the leg rest 6 clockwise towards the front side 41 opposite back.
  • the lever chain 31 is pivoted or stretched apart, as a result of which the leg rest carriage 13 has been moved along the longitudinal rail axis 9 of the support rail 8 to the second rail end 11 of the support rail 8 opposite the front side 41 .
  • the lever projection 27 formed in the first swivel arm end 28 of the first swivel arm 22 has a contact surface 55 facing the leg rest 6 .
  • the contact surface 55 acts in conjunction with a deflection element 61 held on the frame 3 as a triggering device which, depending on a position of the carriage 30 of the displacement unit 30, triggers a defined and automatic pivoting of the pivoting arms 22, 23 at the same time as the carriage 30 is moved.
  • the deflection element 61 has an annular cross-section and is positioned behind the stop 62 with respect to the front side 41 .
  • the lever projection is held at a vertical height in such a way that it comes into engagement with the deflection element 61 when the carriage 30 is moved.
  • the contact surface 55 is designed as a run-on slope and approximately vertical in the use position of the leg rest 6 and inclined to the leg rest 6 in the non-use position Vertical oriented.
  • the pivoting arms 22 , 23 are pivoted upwards as soon as the carriage 30 of the displacement unit 5 has moved so far to the front side 41 that the contact surface 55 comes into engagement with the deflection element 61 .
  • the position of use of the leg rest 6 is reached as soon as the carriage 30 has moved out to just before the stop 62 of the frame 3.
  • the weight of the leg rest 6 and the leg rest support device 7 constantly presses the contact surface 55 against the deflection element 61 during pivoting, so that the leg rest 6 is prevented from pivoting down unintentionally. Rather, the pivoting arms 22, 23 can only be pivoted down if the carriage 30 of the displacement unit 5 is retracted in relation to the front side 41.
  • FIG 13 looks at an enlarged detail C of the leg rest fitting 2 12 onto the lever protrusion 27 and the deflection element 61, with the leg rest support 12 brought to a position for the leg rest 6 in the use position.
  • the contact surface 55 is in contact with the deflection element 61 .
  • a lever projection surface 56 angularly opposite the contact surface 55 forms the jagged lever projection end 54 with the contact surface 55.
  • the protrusion 57 is cam-shaped and has an auxiliary contact surface 58 angularly opposite the contact surface 55 and a surface 59 facing the leg rest.
  • the auxiliary contact surface 58 and the contact surface 55 together form the V-shaped pivoting recess 60, which surrounds the deflection element 61 when the pivoting arms 22, 23 pivot.
  • the auxiliary contact surface 57 is at a distance from the deflection element 61 when the pivoting arms 22, 23 are pivoted for reversibly adjusting the leg rest 6 from the non-use position into the use position. It is provided as a safety device, particularly in the event that when the leg rest 6 is moved from the use position back into the non-use position, there is an obstacle below the leg rest 6 (blocking situation).
  • the contact surface 55 is first detached from the Deflection element 61 and the auxiliary contact surface 58 then rest against the deflection element 61 .
  • the auxiliary contact surface 58 functions as an auxiliary run-on slope, along which the first swivel arm 22 has moved against the deflection element 61 . In this way, the pivoting unit 4 is forced to pivot down, which prevents the leg rest 6 from driving against the seat cushion 66 and damage to the leg rest fitting 2 or to the furniture for sitting and/or lying down 1.
  • the leg rest fitting 2 is not limited to the described drive unit 71 with the profile 73 and the spindle for moving the carriage 30 .
  • other known linear drive units for moving the carriage 30 can also be integrated in the longitudinal beam 65 of the frame 3 .
  • this can be a belt drive or an electric cylinder.

Landscapes

  • Chairs For Special Purposes, Such As Reclining Chairs (AREA)
  • Ladders (AREA)
  • Percussion Or Vibration Massage (AREA)
  • Chair Legs, Seat Parts, And Backrests (AREA)
  • Undergarments, Swaddling Clothes, Handkerchiefs Or Underwear Materials (AREA)
EP20215249.2A 2020-01-13 2020-12-18 Beinauflagebeschlag Active EP3850992B1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102020100560.1A DE102020100560A1 (de) 2020-01-13 2020-01-13 Beinauflagebeschlag

Publications (2)

Publication Number Publication Date
EP3850992A1 EP3850992A1 (de) 2021-07-21
EP3850992B1 true EP3850992B1 (de) 2022-07-27

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EP (1) EP3850992B1 (pt)
DE (1) DE102020100560A1 (pt)
ES (1) ES2925464T3 (pt)
PL (1) PL3850992T3 (pt)
PT (1) PT3850992T (pt)

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DE202008000302U1 (de) * 2008-01-08 2008-03-20 Hesse, Detlef Beinauflagenbeschlag für ein Möbel
DE202012000391U1 (de) 2012-01-16 2012-03-01 Hans-Joachim Kollmeier Beinauflagenbeschlag für ein Möbel
DE202014100070U1 (de) * 2014-01-09 2015-04-10 Stork Beschlagtechnik Gmbh & Co. Kg Schwenkbeschlag für eine Beinauflage eines Sitzmöbels

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EP3850992A1 (de) 2021-07-21
DE102020100560A1 (de) 2021-07-15
PT3850992T (pt) 2022-09-20
PL3850992T3 (pl) 2022-11-14
ES2925464T3 (es) 2022-10-18

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