EP2994021B1 - Sommier à lattes avec entraînement par moteur électrique - Google Patents

Sommier à lattes avec entraînement par moteur électrique Download PDF

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Publication number
EP2994021B1
EP2994021B1 EP14724396.8A EP14724396A EP2994021B1 EP 2994021 B1 EP2994021 B1 EP 2994021B1 EP 14724396 A EP14724396 A EP 14724396A EP 2994021 B1 EP2994021 B1 EP 2994021B1
Authority
EP
European Patent Office
Prior art keywords
furniture
drive
frame
housing
furniture drive
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.)
Revoked
Application number
EP14724396.8A
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German (de)
English (en)
Other versions
EP2994021A2 (fr
Inventor
Klaus-Peter Flamme
Christian Müller
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.)
Dewertokin Technology Group Co Ltd
Original Assignee
Dewertokin 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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=50732151&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=EP2994021(B1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Dewertokin GmbH filed Critical Dewertokin GmbH
Priority to EP20186531.8A priority Critical patent/EP3750452A1/fr
Publication of EP2994021A2 publication Critical patent/EP2994021A2/fr
Application granted granted Critical
Publication of EP2994021B1 publication Critical patent/EP2994021B1/fr
Revoked legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47C—CHAIRS; SOFAS; BEDS
    • A47C20/00—Head -, foot -, or like rests for beds, sofas or the like
    • A47C20/04—Head -, foot -, or like rests for beds, sofas or the like with adjustable inclination
    • A47C20/041—Head -, foot -, or like rests for beds, sofas or the like with adjustable inclination by electric motors

Definitions

  • the invention relates to a slatted frame with an electromotive furniture drive according to the preamble of claim 1.
  • Fixed furniture components are e.g. Frame components.
  • Movable furniture components are e.g. firm or resilient support surfaces of an upholstery or mattress of the seating and / or reclining furniture.
  • the electromotive furniture drive is used to adjust the movable furniture components.
  • the adjustment movement and drive force generated by the electromotive furniture drive is transmitted to the respective movable furniture component, the electromotive furniture drive being supported on a fixed furniture component and displacing the movable furniture component relative to the fixed furniture component.
  • the electromotive furniture drive can also be attached between two movable furniture components, whereby it can be adjusted relative to one another.
  • a functional fitting couples the movable furniture components to the fixed furniture components and / or the movable furniture components to one another and is coupled to the electromotive furniture drive.
  • the functional fitting can comprise a plurality of coupling links which are connected to one another. Such connections can be articulated. Other connections are fixed. Thus, the functional fitting can also be understood as a lever chain or lever link chain, which can also have hinges. Another coupling element of the functional fitting is mechanically coupled to a furniture component. The connection can be fixed. Alternatively, it is articulated. Other connections are movable or loose force pads.
  • Electromotive furniture drives and functional fittings are known from the prior art in a large number of different designs for different applications and purposes. Electromotive furniture drives are used, for example, as single drives, double and multiple drives.
  • An electromotive furniture drive often blocks the accessibility of a storage space below the furniture component to be adjusted.
  • adjustable headrests are rarely available, which is considered to be disadvantageous, since additional cushions often have to be used if they cannot be adjusted.
  • the furniture has a fixed width, whereby intermediate sizes can only be realized if the furniture and functional fittings are changed.
  • the intermediate sizes in particular lead to additional logistical effort if intermediate dimensions are manufactured as custom-made items, e.g. are to be welded.
  • Parts of the functional fitting such as Levers can be far away from swiveling furniture components, which can create danger from crushing and shearing points and is also optically unsuitable.
  • Some electromotive furniture drives have a very large height, which, for example, limits underbody clearance and can make storage (eg stacking of slatted frames) more difficult.
  • DE 89 11 226 illustrates this.
  • An object of the invention is to provide a slatted frame with a furniture drive of the type mentioned at the outset, which no longer has the disadvantages mentioned at the outset and which also offers additional advantages.
  • the slatted base according to the invention is designed with a functional fitting and can be used to adjust movable furniture components relative to one another into the silhouette or contour or / and a frame of the furniture to be assigned. This results in advantages of a low overall height and simple assembly and assembly.
  • the furniture drive of the slatted frame has at least one electric motor and a spindle lifting thread for adjusting support surfaces of an upholstery or a mattress of the furniture relative to one another and / or to fixed components of the furniture.
  • the furniture drive is designed with a functional fitting and can be inserted into the silhouette or contour or / and a frame of the furniture to be assigned.
  • parts of the functional fitting and / or parts of the furniture drive are designed as furniture components or at least in sections as furniture components. Furniture and / or functional fitting and / or furniture drive are assembled into one structural unit during manufacture, which enables particularly simple and cost-effective assembly.
  • a compact unit consisting of a furniture drive and functional fitting is formed as a functional system and is connected to the slatted frame on the inside of the frame, the compact unit consisting of a furniture drive and functional fitting having two drive units in which the screw jack threads are arranged.
  • the compact unit comprising the furniture drive and functional fitting is inserted within the silhouette or contour of the frame with a lower boundary plane of the slatted frame and is connected to the slatted frame on the inside of the frame via the drive units.
  • spindle stroke thread for adjusting the back part and the spindle stroke thread for adjusting the leg part are designed as individual drives, wherein in each case a spindle stroke thread with the associated motor is arranged in a separate housing. This makes it possible, e.g. equip only the leg section or only the back section, or both with an adjustable drive.
  • two spindle stroke threads are provided on the leg part and two spindle stroke threads on the rear part, with a spindle stroke drive for the head part / back part area and one spindle stroke drive for each side for the foot part area in the side area of the furniture.
  • each spindle lifting thread can be provided with a connection which is designed as a spar receptacle for receiving a furniture component or a section of a furniture component for fastening to the furniture component.
  • a connection which is designed as a spar receptacle for receiving a furniture component or a section of a furniture component for fastening to the furniture component.
  • the spar seat prefferably mounted on the housings of the spindle lifting thread, which results in advantageous versatility.
  • the beam holder can have two sections, one section being designed as a pivot lever or acting as a pivot lever, the other section of the beam holder being designed as a beam holder itself. This results in an advantageous simplification.
  • the housings of all the spindle lifting threads may form a spar member and for two spar receptacles to be pivotably arranged on each housing, which results in a further simplification.
  • At least one electric motor is arranged in a motor unit of the furniture drive, the motor unit being provided with a slatted frame construction unit and with at least two spindle lifting threads is connected, wherein the motor unit extends within the frame from an inside of the frame to the other inside of the frame, and wherein one of the at least two screw jack threads is arranged on an inside of a longitudinal member of the frame and / or in a longitudinal member of the frame.
  • the at least one electric motor can have two drive shafts, which transmit rotary movements of the electric motor via a flexible shaft to a worm of a worm gear of a respective spindle lifting thread.
  • a motor can thus advantageously be arranged in the middle of a frame, as a result of which a space under the frame can advantageously remain free.
  • the electric motor of the motor unit is arranged in a tube or a tube which extends in the transverse direction of the slatted frame, and with a respective end of the tube being fixedly attached to a housing of the spindle lifting thread, an easy adjustment to the width is possible the frame or the furniture by simply cutting the tube to length.
  • the electric motor of the motor unit can be arranged in a tube or a tube which extends in the transverse direction of the slatted frame, and wherein a respective end of the tube and a respective long side of the slatted frame can be detachably attached to a housing of the spindle lifting thread, and wherein a respective end of the flexible shafts can be releasably connected to a worm of a worm gear of a respective spindle lifting thread.
  • the furniture drive has at least one output opening, into which a swivel lever can be inserted to interact with the output member.
  • a C-shaped closure element is provided in a simple manner for closing the driven opening.
  • a linear output member of the spindle stroke thread is indirectly operatively connected to the swivel lever by at least one coupling member. This allows a position of the Influence the pivot lever so that an advantageously low height of the furniture drive can be achieved.
  • the at least one coupling member is movably guided in a guide contour of a housing of the furniture drive between the output member and a pressure piece of the pivoting lever.
  • the guide contour of the housing of the furniture drive can be formed in the housing as a channel-like recess or / and can be molded on as a raised portion. Combinations are of course also possible. The guide contour can thus advantageously be easily integrated into the housing.
  • the coupling links can be designed, for example, as balls or / and rollers.
  • the coupling links can also be connected to one another to form a chain, which enables simplified assembly.
  • a still further embodiment provides that two furniture drives, each with a housing and with an electric motor, are connected to one another by a connecting means. In this way, a number of drives can be easily connected to one another.
  • the connecting means is a connecting element which is designed as a rigid profile and is inserted lengthways with one end into one of the two housings of the furniture drives and is firmly connected to them. So a stable connection is possible.
  • the connecting element is formed from a cut-to-length, rigid profile, simple and versatile adaptations to different dimensions of the furniture can be carried out.
  • the furniture drive has at least one output opening, into which a pivot shaft with a pivot lever can be inserted for interaction with the output element.
  • a U-shaped closure element is provided for closing the driven opening by rotation. This makes it easy to close the output opening and secure the closure element.
  • the connecting means is designed as a multi-part, shell-shaped connecting unit. This enables simple assembly.
  • the multi-part connection unit can comprise at least two shells which are provided with holding sections which can be brought into engagement with corresponding holding sections on the housings of the furniture drives. If the holding sections are designed in the manner of a toothing, for example T-slots and / or dovetail connections, not only easy assembly but also simple mounting and securing is possible.
  • connection unit In a further embodiment, it is provided that the at least two shells of the multi-part connecting unit are positively inserted from both long sides of the housing parallel to pivot axes onto the respective housing of the respective furniture drive, the holding sections of the shells with the corresponding holding sections of the respective housing in a form-fitting manner Stand by.
  • the connection unit can e.g. be made as a plastic injection molded part. However, metallic materials or / and combinations of different materials are also possible.
  • a further embodiment consists in that a linear output member of a spindle stroke thread interacts with a connecting rod, the connecting rod being articulated on the free end of a link lever in a pivot axis. In this way, a height of the housing can be positively influenced.
  • the articulation lever has a pocket for coupling a pivot shaft of the functional fitting, a driver of the pivot shaft being designed to be coupled to the pocket. This results in an advantageously simple installation.
  • a still further embodiment provides that a link lever or the pivot lever is an integral part of the functional fitting and has a pivot axis which is fixedly but pivotably mounted in a recess as the output opening of the furniture drive, the free end of the pivot lever having a pressure piece which as a round body parallel to the axis is formed to the pivot axis.
  • a width of the pressure piece in the direction of the pivot axis is greater than a width of the pivot lever in the direction of the pivot axis, the pressure piece being guided in circular slots / pockets or pivoting contours of a housing of the furniture drive. In this way, stable guidance during power transmission of the drive can be guaranteed.
  • an insertion contour opens into the guide contour from the output opening of the housing, a further closure element being provided for closing one end of the insertion contour before the introduction contour opens into the guide contour.
  • the closure element has a first form-fitting contour concentric to the pivot axis, engages around a pivot shaft inserted in the assembly position in the closed state of the output opening, and is rotated about the pivot shaft used to secure the pivot shaft in a fixed manner, thereby enabling simple and effective locking of the pivot shaft leaves.
  • the housing of the furniture drive has a second form-locking contour in the area of the driven opening, which also runs concentrically to the pivot axis when the pivot shaft on the furniture drive is in the assembly position, the first and the second form-fitting contour interlocking after the locking element has been rotated.
  • the locking of the closure element is thus simplified.
  • the furniture drive has an electric motor which interacts with at least two spindle lifting threads via a gear wheel for adjusting several furniture components.
  • a motor can thus advantageously be used for two or more adjustment functions.
  • the at least two spindle stroke threads each have a threaded spindle with the opposite direction of pitch, the threaded spindles and the gear wheel having a common axis of rotation. Different directions of movement are thus possible in a simple manner.
  • a nut is applied to the threads of each threaded spindle, each nut being non-rotatable but displaceable in length and guided in the housing of the furniture drive, each nut being connected directly or via intermediate links to an adjusting lever or swivel lever, which is coupled to the associated furniture component and / or to a furniture component to be adjusted.
  • a head or back part nut is connected to the furniture component for adjusting the back part
  • a leg part nut is connected to the furniture component of the leg part and / or the foot part.
  • the back part and the leg part and / or the foot part are effectively connected to the drive.
  • the back part nut acts directly on the back part of the piece of furniture
  • the leg part nut acts on the leg part of the piece of furniture via an intermediate member. The operative connections are thus provided in a simple manner.
  • At least one coupling slide is also provided, which is arranged so as to be displaceably mounted between the back part nut and the intermediate member. This results in an advantageous further coupling option for the individual adjustment of the associated furniture parts.
  • guide means such as webs or recesses for displaceably guiding the at least one coupling slide are provided in order to enable easy adjustment.
  • the coupling slide can be made in one part or in several parts. Different materials are also possible.
  • the functional fitting has two drive units in which the spindle lifting threads are arranged, an assembly unit for attaching a frame or slatted frame being attached to the outer sides of the drive units.
  • a further embodiment provides that the assembly unit forms an integral molded part with the housing of the drive unit, the overall height of the respective assembly unit being less than the overall height of the respective one Drive unit. An advantageously low overall installation height can thus be achieved.
  • the furniture drive is designed as a two-motor furniture drive in a housing with swivel shafts, the swivel shafts extending transversely to a longitudinal axis of the two-motor furniture drive and comprising a polygonal tube on the outside.
  • a respective output member of the furniture drive is pivotally mounted to the housing and has an inner profile which is positively and non-rotatably connected to the outside profile of the swivel shaft or the polygonal tube, with a bearing of the swivel shaft or the polygonal tube formed by end shields which are rotatably mounted on the respective free end of the pivot shaft or the polygonal tube, and wherein the end shields themselves can be connected to the frame of the furniture or the slatted frame.
  • Figure 1 shows a schematic perspective view of a first example of a piece of furniture 1 in the form of a bed with a first example of a functional fitting 4 and an electromotive furniture drive 3 in the form of a double drive.
  • the piece of furniture 1 is designed as a slatted frame 2 or as a bed, and in this example comprises a seat part 2a, a back part 2b, a leg or foot part 2c and a neck support 2d, which form the support surfaces of a mattress or the support surfaces of an upholstery form.
  • These support surfaces are adjustable in such a way that the back part 2b about a back part axis 2f (see Fig. 2 ) and the leg or foot part 2c about a leg part axis 2g (see Fig. 2 ) are pivotable and can take up different positions.
  • Figure 1 shows these support surfaces in an adjusted position, which can be referred to as a reading position, for example.
  • the furniture 1 has a functional fitting 4 and / or the electromotive furniture drive 3, the functional fitting 4 and / or the furniture drive 3 being inserted into the silhouette or contour of the furniture 1 in an inventive manner.
  • a design according to the following description of the figures can be used as a functional fitting.
  • a manual remote control for operating the furniture 1 is provided, which in this embodiment e.g. is wirelessly designed as a radio remote control.
  • the handheld remote control and an associated radio receiver and a controller with a power supply are not shown here.
  • a smartphone is designed as a handheld remote control and is connected to the receiver via Bluetooth.
  • the handheld remote control can also be designed as a cable handset.
  • the cable hand switch can be connected to an associated control.
  • the switch contacts of the push buttons of the cable hand switch are provided for directly switching the motor current of one or more motors of the furniture drive 3.
  • a motor is provided which can be operated with a low voltage, for example a protective low voltage of less than 30V.
  • the functional fitting 4 is attached to the electromotive furniture drive 3 in a frame 5.
  • an electromotive furniture drive 3 an embodiment according to the following description of the figures is possible.
  • FIG. 1 The example of a piece of furniture according to Figure 1 can be equipped with any of the versions of an electromotive furniture drive 3 or a functional fitting 4, as will be described in more detail in the following figures.
  • Stand-up feet are not shown. These can be used if the basic framework of the example of the Figure 1 is somewhat more solid, so that a bed is formed.
  • the Figure 2 shows a side view of a further example, wherein the electromotive furniture drive 3 with a drive unit of the slatted frame 2 has a screw thread 6, 6 "for generating a linear adjusting force.
  • the linear adjusting force acts on two pivot levers 7, 7 ', which have a common pivot point in the back part axis 2f, but are offset from one another at an angle about this back part axis 2f, so that when actuated, the first pivot lever 7 and then the second Swivel lever 7 'is moved by an output member 8 of the screw thread 6.
  • the first pivot lever 7 is connected to a coupling member 4a, for example a rod or a rod, the connection point of the Coupling member 4a is arranged on the pivot lever 7 at a distance from the pivot center about the back part axis 2f, which eccentrically transmits its adjustment movement to a hinge 2e of the neck support 2d, so that the neck support 2d is thereby pivoted about a pivot axis of the hinge 2e. Since the first pivot lever 7 is moved first, the neck support 2d comes from the basic position of the slatted frame 2 and is actuated first. Only after a predetermined linear adjustment path of the spindle lifting thread 6 is the back part 2b further pivoted together with the neck support 2d about the back part axis 2f.
  • a coupling member 4a for example a rod or a rod
  • each pivot lever 7, 7 ' has a first end region with a pivot point about the back part axis 2f, about which it is pivotably mounted, and a second end region designed as a free end, which is connected to the associated output member 8 of the spindle lifting thread 6 is in operative connection.
  • a stepped misalignment of the contact surface of the output member 8 of the spindle lifting thread 6 with the respective swivel lever 7, 7' can also be provided, so that two contact surfaces arranged in staggered relation to one another for contacting the respective swivel lever 7, 7 'are provided.
  • Another spindle stroke thread 6 ′′ is provided with an associated further output element 8 ′′, the further output element 8 ′′ interacting with a further pivot lever 7 ′′ for adjusting the leg part 2c.
  • Each spindle stroke thread 6, 6 is moved by an electric motor.
  • two spindle stroke threads 6, 6 are coupled to one another and can be moved together by an electric motor.
  • the movement of the screw jack threads 6, 6 "takes place as a rotating movement coming from an electric motor via a speed reduction gear.
  • At least one of the spindle stroke threads 6, 6 " is arranged in a housing.
  • the components of the spindle stroke threads 6, 6" are mounted in the housing in a rotating or displaceable manner.
  • the respective linearly movable output member 8, 8 ", which is coupled to the pivot lever 7 and 7 '; 7" is mounted on the housing.
  • the pivot lever 7, 7 ', 7 " is also mounted on the housing.
  • the pivot lever 7, 7, 7" has a different mounting if it is attached to a shaft of the functional fitting 4 and the shaft is mounted on a bearing, which is attached to a furniture component, is pivotally mounted.
  • the linearly movable output member 8, 8 "of the spindle stroke thread 6, 6” experiences its linear movement by converting the rotational movement of a threaded portion of the spindle stroke thread 6, 6 "into the linear movement along the central longitudinal axis of the rotation movement Spindle lifting thread 6, 6 "their rotational movement through a speed reducer, the threads of the threaded spindle being in engagement with a non-rotatably mounted threaded nut of the respective output member 8, 8".
  • a gear wheel of the speed reducer with a central and along the axis of rotation threaded bore with a nut thread provided, the thread of a non-rotatably mounted threaded spindle being connected to the threads of the nut thread and the threaded spindle carrying out the linear output movement with the respective output element 8, 8 "of the spindle lifting thread 6, 6".
  • each housing of the electromotive furniture drive 3 can consist of a plastic and can be firmly connected to a furniture component, as is the case, for example Figure 13 illustrated.
  • the housing of the electromotive furniture drive 3 can be attached to a shaft to which the respective pivot lever 7, 7 ', 7 "is also attached, as is the case, for example Figure 14 illustrated.
  • the pivot lever 7 ' is firmly connected to the back part 2b, so that the back part 2b and the pivot lever 7, 7' have a common pivot point in the form of the back part axis 2f.
  • the back part 2b is connected directly or via a lever chain to the frame 5 and thus connected to the frame 5 in an articulated and movable manner.
  • a lever not shown, is provided, which is connected to the pivot lever 7 ' and engages under a support surface or under a spar of the back part 2b in order to be able to move it against the force of gravity.
  • the swivel lever 7 is firmly connected to the leg part 2c and can be swiveled with it about the leg part axis 2g, alternatively a lever is also provided which is firmly connected to the swivel lever 7" and is operatively connected to the leg part 2c when that Leg part 2c is articulated to a furniture component or to the frame 5.
  • the Figure 3 differs from Figure 2 and their description in that here the spindle stroke thread cooperating with the back part 2b has the reference symbol 6 ', the two spindle stroke threads 6' and 6 "with their associated output members 8 and 8" are illustrated in a longitudinal section, and that the furniture drive 3 only with the back part 2b and the neck support 2d are shown enlarged.
  • a further embodiment of the coupling member 4a is provided here, the back part 2b and neck support 2d always moving simultaneously and synchronously with one another. It is still different from Figure 2 only one pivot lever 7 is provided. All other features mentioned Figure 2 are also realized here and are not listed separately.
  • the Figure 3 thus shows a further embodiment of a coupling member 4 as a rod, which is guided eccentrically with its output end to the hinge 2e of the neck support 2d.
  • the drive end of the coupling member 4a is articulated to a non-movable part of the furniture 1 or to a non-movable part of the furniture drive 3.
  • the pivoting lever 7 moves in such a way that the neck support 2d is also pivoted at the same time because there is a relative movement between the drive end of the coupling member 4a and the non-moving part of the furniture 1 or not Movable part of the furniture drive 3 results when the back part 2b is pivoted about the back part axis 2f.
  • the Figure 4 differs from the figures above and their descriptions essentially in that the spindle lifting thread 6, 6 'for adjusting the back part 2b and the spindle lifting thread 6 ", 6'” for adjusting the leg part 2c are designed as so-called single drives, each with a spindle lifting thread 6 , 6 ', 6 ", 6'” with the associated motor is arranged in a separate housing. All other features of the previous figures, especially the Figures 2 and 3rd , are also realized here and are not listed separately.
  • FIG 4 a side view of a slatted frame 2 with a second or with a further example of an electromotive furniture drive 3 is shown.
  • Furniture 1 is e.g. a slatted frame 2 or a bed, in which a head part 2b and a leg part 2c are adjusted into a raised position.
  • Two spindle stroke drives 6 ", 6 '" are provided on the leg part and two spindle stroke drives 6, 6' on the back part side.
  • a spindle lifting drive 6, 6 ′ for the head part area / back part area and one screw lifting drive 6 ′′, 6 ′ ′′ per side for the foot part area.
  • Each screw jack drive 6, 6 ', 6 ", 6"' can each be operated with an electric motor 3a. It is also possible, as will be shown below (e.g. Figures 6 , 7 , 13 ) that two spindle stroke drives 6, 6 are operated by a common electric motor 3a.
  • each spindle stroke thread 6, 6 ', 6 ", 6'” is provided with a connection for fastening to a furniture component.
  • the furniture component is formed by the seat part 2a or by the leg part 2c.
  • the seat part 2a or the leg part 2c can be understood as a beam member.
  • the support surface or the elements for receiving a padding or mattress are arranged.
  • a section of the respective housing according to the statements according to the previous figures, in particular according to the Figures 2 and 3rd also be designed as a bar link.
  • the entire housing of the respective spindle lifting thread 6, 6 ', 6 ", 6'” can be designed as a spar member.
  • the respective pivot lever 7 ', 7 " is pivotally mounted on the respective housing, one bearing forming the back part axis 2f and the other bearing forming the leg part axis 2g.
  • a spar member in the form of the back part 2b is connected to the pivot lever 7 '.
  • the pivot lever 7 ' is provided with a spar holder 70, which is designed as an insertion pocket or as a recess for receiving a spar of the back part.
  • the swivel lever is 7 " likewise provided with a beam holder 70 of the type mentioned at the outset, which is connected to a beam member in the form of the seat part 2a.
  • the seat part 2a is provided permanently in the frame 5, so that when the electric motor 3a is in operation, the associated housing of the spindle lifting thread 6 ", 6 '", together with the leg part 2c, executes the adjustment or pivoting movement.
  • the spar seat 70 is in the designs Figure 4 pivotally mounted on the housings of the screw jack threads 6, 6 ', 6 ", 6'".
  • the latter has two sections, one section being designed as a pivot lever 7 ', 7 "or acting as a pivot lever 7', 7".
  • the other section of the spar seat 70 is designed as a spar seat 70 itself and takes the spar, for example the back part 2b designed as a spar, the neck support 2d designed as a spar, the seat part 2a designed as a spar, the leg part 2c designed as a spar, and the spar formed as a spar Lower leg part 9a. Both sections are formed from a one-piece molded part.
  • pivot lever 7 ', 7 " is designed as an integral part of the spar seat 70.
  • the pivot lever 7', 7" is completely or at least partially designed as a pivot lever 7 ', 7 "and connected to the spar holder 70.
  • an electric motor 3a with only one spindle stroke thread 6 is provided on the headboard side.
  • a second spindle lifting drive 6 ′′ is provided with a second electric motor 3a for moving the leg part side of the furniture 1.
  • the Figure 5 differs from that Figure 4 in that the housing of the spindle lifting threads 6, 6 'of the back part 2b now also performs the adjustment movement of the back part 2b, and that the housings of all the spindle lifting threads 6, 6', 6 ", 6"'each form a spar member, and that on each housing two spar receptacles 70 are arranged pivotably. All other features of the previous figures mentioned at the outset are also realized here and are not listed separately.
  • the Figure 5 shows a side view of a slatted frame 2 or a bed with movably mounted components and four spindle lifting threads 6, 6 ', 6 ", 6'", each with a linearly displaceable output member 8, 8 ', 8 “, 8'” per spindle lifting thread 6, 6 ', 6 ", 6”'.
  • the output elements 8, 8 'of the spindle lifting thread 6, 6' move in opposite directions on the head part side (threads have an unequal pitch direction) and each act on a pivot lever 7 'and 7 "'.
  • the output elements 8", 8 "'of the spindle lifting thread 6 ", 6 '” move in the same direction on the leg part (threads have the same direction of pitch), and while a thigh part 9 lifts, a lower leg part 9a moves back in a knee joint 9b.
  • the pivot levers 7 ', 7 ", 7"', 7 “” are also attached to the spar receptacles 70 or alternatively form an integral part of the respective spar receptacle 70.
  • FIG. 6 differs from all other figures and their descriptions essentially in that a motor unit 12 extends essentially within the frame 5, in particular extends from one inside of the frame to the other inside of the frame 5, and that it is is an assembly.
  • the Figure 7 differs from that Figure 6 by the fact that here there are three structural units which, as will be explained in more detail, form an overall structural unit in the form of the motor unit 12 according to FIG Figure 6 is composed. All other features of the previous figures mentioned at the beginning, as well as features of the following figures, are also realized here and are not listed separately
  • Figure 6 and 7 show sectional views of a slatted frame 2 with a third or with a further example of an electromotive furniture drive 3.
  • the Figure 6 shows in cross section parts of a piece of furniture 1 designed as a slatted frame 2 with a furniture drive 3 with a view in the longitudinal direction of the slatted frame 2.
  • the slatted frame 2 has a frame 5 (see also Fig. 1 ).
  • a spindle lifting thread 6, 6 ' is arranged, which is arranged on an inside of a side member of the frame 5 and / or in a side member of the frame 5.
  • the electric motor 3a has two drive shafts 3b, 3b ', which transmit the rotary movement of the electric motor 3a via a flexible shaft 10, 10' to a worm 11a, 11a 'of a worm gear 11, 11' of a respective screw thread 6, 6 '
  • the flexible shaft 10, 10 ' is designed as a multi-layer stranding and also comprises a support device.
  • the support device is designed as a flexible, non-rotatably fixed protective jacket which, at least in sections, leads with at least one section around the rotating part of the flexible shaft 10, 10 'located therein.
  • the protective jacket is designed as a continuous tube made of a plastic. Since the rotational speed of the flexible shaft 10, 10 'is very high, means for reducing noise are provided.
  • a spindle stroke thread 6, 6 ' which is coupled to a respective worm wheel 11c, 11c', is not shown in more detail in order to generate a linear adjusting force which, according to the illustration, is perpendicular to the viewing plane.
  • the worm wheel 11c, 11c ' forms the gearwheel mentioned at the outset, which is connected to a threaded spindle of the spindle lifting thread 6, 6'.
  • the electric motor 3a is arranged in a tube or a tube which extends in the transverse direction of the slatted frame.
  • the respective end of the tube adjoins a housing of the screw thread 6, 6 'and is thus firmly connected.
  • the central longitudinal axes of the screws 11a, 11a ' are not aligned with the central longitudinal axis of the electric motor 3a.
  • a height offset is formed here, the electric motor 3a being offset upwards in relation to the regular set-up of the slatted frame 2 or the furniture 1 in order to reduce the overall height of the slatted frame 2.
  • the motor unit can be combined to form a preassembled structural unit, as it is based on an example according to FIG Figure 13 is explained in more detail.
  • a structural unit of a motor unit together with the spindle lifting threads 6, 6 ' is designed to be used in a preassembled piece of furniture 1 or in a preassembled slatted frame 2.
  • the furniture 1 or the slatted frame 2 can be mounted around the compact structural unit of the motor unit 12 so that a fused unit with the furniture 1 is created.
  • this embodiment contributes in an inventive manner to a width variability of the furniture 1 or the slatted frame 2.
  • the manufacture of furniture 1 and slatted frames 2 in different widths is an important market requirement.
  • the length of the tube can be freely determined from a meter and cut to length accordingly. Any width of the motor unit 12 and thus also any width of the slatted frame 2 can thus be produced.
  • the same applies to the flexible shaft 10, 10 ' since it can also be produced as a section from a piece goods.
  • a connecting cable not shown, leads to the electric motor 3a, which can run through the tube and can also be cut to length by the meter.
  • the motor unit 12 is intended for adjusting the back part 2b.
  • the motor unit 12 or another motor unit 12 can be determined with a different adjustment path for the adjustment of the leg part 2c.
  • the single electric motor 3a is assigned two flexible shafts 10, 10 'with two worm gears 11, 11' and two special designs of the screw jack threads 6, 6 ', whereby two screw spindles are assigned to each screw jack thread 6, 6', and where an output member 8, 8 ', 8 ", 8'” is assigned to each threaded spindle.
  • Each output member 8, 8 ', 8 ", 8'" of a spindle lifting thread 6, 6 ' acts on the free end of a pivot lever 7, 7', 7 ", 7 '", 7 "”.
  • An example to be assigned illustrates the Figure 20 , wherein the pivot lever 7 "', 7""are shown and the detailed structure will be explained.
  • the Figure 7 shows the execution according to Figure 6 .
  • the linear drive units 21, 21 '(see Figure 13 ) with the spindle lifting threads 6, 6 'and the central motor unit 12 with a slatted frame unit 13 each form a preassembled unit, so that the assembly of the furniture 1 is thereby simplified.
  • the screws 11a, 11a are connected via screw couplings 11c, 11c 'to respective couplings 10a, 10a' of the ends of the flexible shafts 10, 10 'in a rotationally fixed and pluggable manner.
  • the motor unit 12 is connected to the side parts of the slatted frame 2, in which the drive units with the spindle lifting threads 6, 6 'are arranged, by means of corresponding connecting sections 12a, 12a', 12a ", 12a '".
  • the slatted frame assembly 13 can be plugged into side parts of the slatted frame 2 via connecting sections 13a, 13a ', 13a ", 13a'", which results in simple assembly.
  • FIG. 7 An alternative embodiment of the Figure 7 differs from all other figures and their descriptions, but in particular in comparison to FIG. 6, essentially in that the one electromotive furniture drive 3 is now designed as a multi-part electromotive furniture drive 3, a motor unit 12 being designed to be connectable with two spindle lifting threads 6, 6 ' is. All other features of the previous figures mentioned at the beginning, as well as features of the figures below, are also realized here and are not listed separately
  • the motor unit 12 extends essentially within the frame 5. This extension takes place in particular from one inside of the frame 5 to the other inside of the frame 5.
  • the motor unit 12 consists of three structural units, which are pulled apart and shown in a non-assembled state.
  • the motor unit 12 essentially the electric motor 3a, the flexible shafts 10, 10 ', a coupling 10a, 10a' at a respective free end of the respective flexible shaft 10, 10 'and a housing in the form of a tube.
  • the housing has two end regions, each of which is designed as a connecting section 12a, 12a ".
  • These connecting sections 12a, 12a" correspond to connecting sections 12a ', 12a'"of the respective housing of the respective spindle lifting thread 6, 6 '.
  • In a manner not shown has at least one connecting section 12a, 12a ', 12a ", 12a'” via an electrical plug connector consisting of a plug and the corresponding counterpart, for example in the form of a plug socket or as spring tongues.
  • the Figure 8 shows a furniture drive 3 of a fourth or alternative example in a side view, which according to the illustration is designed as a so-called single-motor single drive and with a C-shaped locking element 14 an output opening 15 into which a component of the slatted frame 2 or a functional fitting 4 with the pivot lever 7, 7 ', 7 ", 7'", 7 “” can be used to interact with the output member 8, 8 ', 8 ", 8'”.
  • a spindle stroke thread 6, 6 ' which is operated by the electric motor 3a and has the output element 8, 8', 8 ", 8 '", is not shown in more detail here.
  • Figures 9 and 10 show a variant of the fourth example of the furniture drive 3, in particular after Figure 8 or one or more of the other figures, in two end positions, wherein in Figure 9 a starting position and in Figure 10 an extended position is shown.
  • the starting position can also be understood as the basic position, as explained at the beginning, in which all the support surfaces of the furniture 1 or the slatted frame 2 are located in one plane and all the support parts, such as in particular the back part 2b and the leg part 2c, have moved completely downward.
  • FIGS 9 and 10 each show a sectional view of a furniture drive 3 with a spindle lifting thread 6 and a linear output member 8, which acts on at least one coupling member 17, for example a ball.
  • the coupling members 17 are guided here in a guide contour 16a of a housing 16 of the furniture drive 3 between the driven member 8 and a pressure piece 7a of the pivot lever 7.
  • a spindle stroke thread 6 which has already been described above, is also provided here, which linearly moves the output member 8.
  • the overall height H of the housing 16 is hereby reduced in that the articulation and adjustment lever or swivel lever 7, which forms a common output element of the swivel furniture drive 3, is arranged obliquely in the basic position, contrary to the statements of the prior art.
  • Prior art arrangements either have short pivoting levers 7, which leads to very high adjusting forces of the spindle lifting thread, or longer pivoting levers, which project downwards.
  • a long pivot lever 7 is used, and the low adjustment forces of the spindle lifting thread 6 can be used to generate a high torque of more than 450 Nm on the pivot lever 7 by providing coupling links 17 in the form of deflection elements or in the manner of a push chain for transmitting pressure forces are.
  • the linearly movable output member 8 moves horizontally, while the free end of the pivot lever 7 moves on a circular path with a substantially vertical chord.
  • the guide contour 16a can be designed as a channel-like recess in the housing 16 of the electromotive furniture drive 3. Alternatively, the guide contour 16a raised.
  • the coupling links 17 can be designed as balls or rollers which are guided individually and loosely through the guide contour 16a. Alternatively, the coupling links 17 are connected to one another to form a chain. Furthermore, viewed in section, they can be elongated and can be concave and / or convex in the respective end region. In the case of one end region, which is concave, the other end region is convex. In the event that both end regions are concave or convex, a coupling element (not shown in more detail) is provided between such coupling members 17, which is designed to correspond to the respective concave or convex end region in order to concatenate them.
  • Coupling links 17 shown are in frictional connection with the guide contour.
  • coupling links 17 are provided which are rotatably mounted relative to one another and roll or roll along the guide contour 16a.
  • Such coupling links 17 are advantageously connected to one another in the manner of a chain.
  • the Figure 11 shows two furniture drives 3, each with an electric motor 3a in a side view of a fifth example, which are connected to one another by means of a connecting element 18.
  • the connecting element 18 is designed as a rigid profile and is inserted lengthwise into both housings 16 of the furniture drives 3.
  • the connecting element 18 can be cut to the desired length, so that any desired center distance of the swivel shafts 19 of the swivel axes can be generated in the simplest way.
  • the connecting element 18 is inserted into a recess of the respective furniture drive 3.
  • the fixation is done by a clamping mechanism, not shown, alternatively by a clamping screw.
  • Another fixation by clamping can take place during the assembly of the furniture drives 3 together with the connecting element 18 if the housings 16 of each furniture drive 3 when the housing parts of the housing 16 are screwed together the connecting element 18 firmly clamped.
  • Other fixations can be formed by a latching mechanism, which is not shown here.
  • the insertion depth of the connecting element 18 in each furniture drive 3 is at least twice the height of the connecting element 18.
  • connection unit 20 is designed as a multi-part connection unit 20. It here comprises two shell halves 20a, each with a plate 20c, the upper and lower edges of which are each provided with mutually parallel holding surfaces 20d, which extend at right angles to the plate 20c.
  • the inner sides of the holding surfaces 20d are provided with opposite holding sections 20b, wherein in Figure 12 the lower holding surfaces 20d have ribs 20e to increase the stability between the holding sections 20b.
  • the holding sections 20b of the connecting units 20 here comprise a number of webs 200 which are attached transversely to the longitudinal direction of the plates 20c on the inner sides of the holding surfaces 20d.
  • Each web 200 carries on its free side a cross web 201 which extends over the entire web length.
  • the shape of the web 200 and the transverse web 201 forms a type of T-beam for T-slot connections.
  • the webs 200 are arranged parallel to one another and each define an intermediate space 202 between them.
  • holding sections 20b ′ are also formed on the upper and lower sides of the housings 16, which correspond in shape to the holding sections 20 of the connecting units 20.
  • the holding sections 20b ′ of the housings 16 each have molded-in webs 210 with transverse webs 211.
  • the webs 210 extend parallel to one another transversely to a longitudinal direction of the respective housing 16 and define T-shaped gaps 212 between them, such as, for example, those for T-slot connections.
  • both shell halves 20a are now positively inserted from both long sides of the housings 16 parallel to the central longitudinal axis of the pivot axes 19a onto the respective housing 16 of the respective furniture drive 3.
  • the holding sections 20b come into positive engagement with the holding sections 20b 'of the respective housing 16 corresponding to them.
  • the webs 200 of the connecting unit 20 with the cross webs 201 are received in the T-shaped spaces 212, and the webs 210 of the housing 16 with the cross webs 211 are arranged in the spaces 202.
  • the housing 16 of the furniture drives 3 and the connection unit 20 are molded from a plastic. Of course, combinations of different materials can also be possible.
  • the power transmission from the housing 16 of the furniture drive 3 to the connection unit 20 takes place through the positive connection of the holding sections 20b 'of the housing 16 and the holding sections 20b of the connecting unit 20 and vice versa.
  • the holding sections 20b of the connecting unit 20 and the holding sections 20b 'of the housing 16 are in positive connection with one another after assembly. They are designed in the manner of a toothing, but can also have other geometries. As a result, the housing 3 can be connected to one another very simply and at the same time very robustly.
  • the toothing is designed in the manner of a hook toothing, alternatively in the manner of the T-slot toothing and alternatively in a manner similar to a dovetail connection.
  • the assembly created after the furniture drives 3 have been assembled with the connecting unit 20 can absorb the bending forces which arise in the operating state of the regular operation through this special connecting toothing. The bending forces are based on the output torque of the pivoting shafts, which are mounted pivotably about the respective pivot axis 19a.
  • connection unit 20 has a fixed overall length. Since it is of a very simple design and the holding sections 20b are always designed to be constant, the production of injection molds of other connection units 20 with a different overall length is also very simple. Individual axial spacings of the swivel axes 19a can then be generated while maintaining identical furniture drives, if the corresponding overall length of the connecting unit 20 is used. Furthermore, the connection unit 20 is formed like a shell and forms a type of casing after assembly.
  • connection unit 20 has mounts for these on the inside, as well as openings in the outer wall for the passage of cables and / or plug connections.
  • the furniture drives 3 remain unchanged.
  • Figure 13 can be used as an alternative to the execution according to Figures 6 and 7 be understood.
  • Figure 14 differs in contrast, as will be described in more detail, and can be used as an alternative to one of the embodiments of Figures 8 to 12 be understood. All other features of the previous figures mentioned at the beginning, as well as features of the following figures, are also realized here and are not listed separately.
  • the Figure 13 shows a further example of a functional fitting 4 according to the third or according to a further example of the electromotive furniture drive 3 Figure 6 and 7 as a pre-assembled unit with a two-motor furniture drive 3.
  • the functional fitting 4 is intended for use in a piece of furniture 1.
  • the piece of furniture 1 is an independent unit as a whole without the unit shown and can in principle be used in its basic position.
  • Furniture drive 3 and functional fitting 4 form a compact unit here, so to speak, because output levers 40 of the functional fitting 4, which are coupled at least to the back part 2b or to the leg part 2c, with the Housing of the furniture drive 3 are connected, or are connected to it in an articulated manner, and this compact unit comprising the furniture drive 3 and the functional fitting 4 forms a functional system and is designed to be connectable to the furniture 1.
  • this compact unit comprising the furniture drive 3 and the functional fitting 4 forms a functional system and is designed to be connectable to the furniture 1.
  • the connection to the furniture 1 takes place on the inside of the frame 5 (see Fig. 1 ).
  • the connecting tubes each have an electric motor 3a as the motor unit 12 and are designed to be freely cutable in length, so that the preassembled unit can be very easily adapted to different widths of a piece of furniture 1. It is also conceivable that a common connecting tube is provided as a motor unit 12 with two or more electric motors 3a. Then it can be an oval tube, seen in cross section, which extends at least along the length of the motors. Of course, other cross sections are also possible.
  • the drive units 21, 21 ' can be clearly seen, which are related to above Figure 5 and 6 have already been described.
  • the spindle stroke threads 6, 6 ', 6 ", 6"', 6a, 6b are accommodated in a manner not shown by the housing of the drive unit 21, 21 '.
  • a mounting unit 22, 22 'for attaching a frame 5 or slatted frame 2 is attached to the outer sides of the drive units 21, 21'.
  • the height of the assembly unit 22, 22 'measured from the lower edge of the furniture 1 or the slatted frame 2 extends up to the closest structural limit of the furniture 1 or the slatted frame 2, which is caused, for example, by the bearings and receptacles of the spring wood or other support elements for receiving a cushion or a mattress are defined.
  • the overall height of the respective assembly unit 22, 22 ' is less than the overall height of the respective drive unit 21, 21'.
  • several assembly units 22, 22 ' can be used for each drive unit 21, 21'.
  • the assembly unit 22, 22 ' also has the task of arranging the respective drive unit 21, 21' at a distance from the frame and to transmit the supporting forces from the housing of the drive unit 21, 21 'to the frame 5.
  • FIG 14 Another example of a functional fitting 4 according to the sixth or according to a further example of the electromotive furniture drive 3 in particular according to Figure 12 is in Figure 14 shown.
  • Another preassembled unit consists of a two-motor furniture drive 3 in a housing 16 with swivel shafts 19, which on the outside is a polygonal tube 19b, as shown in the illustration Square.
  • the pivot shafts 19 themselves to have a polygonal cross section without being encased by a tube.
  • they can have a section which is designed in the manner of an outside polygon.
  • the swivel shaft is provided on the outside with a projecting driver.
  • the respective output member as the output lever 40 of the furniture drive 3 is pivotally mounted to the housing 16 according to this embodiment and has an inner profile which corresponds to the outside profile of the pivot shaft 19 or the polygonal tube 19b in a form-fitting manner and is therefore in a rotationally fixed connection therewith.
  • the pivot shaft 19 or the polygonal tube 19b is supported by end shields 19c which are rotatably arranged on the respective free end of the pivot shaft 19 or the polygonal tube 19b.
  • the end shields 19c themselves are connected to the frame 5 of the furniture 1 or the slatted frame 2, which is not shown here for the sake of simplicity.
  • the swivel shafts can be cut to length, so that the preassembled unit can be very easily adapted to different widths of a piece of furniture 1.
  • Figures 15 and 16 show a furniture drive 3 in a sectional view according to a seventh or according to another example from the side in two end positions.
  • a spindle stroke thread 6 is shown with a linear output member 8, which acts on a connecting rod 23 which is articulated on the free end of a link lever 24 in a pivot axis 24a.
  • the connecting rod 23 functions here as a deflection element. It can also be designed as a coupling element 17.
  • the articulation lever 24 is a component of the furniture drive 3 and has a pocket 25 for coupling the pivot shaft 19.
  • the pivot shaft 19 has a driver 26, which is designed to be coupled to the pocket 25.
  • the cross section of the pivot shaft 19 is circular.
  • the driver 26 is non-rotatably connected to the pivot shaft 19 and is elongated.
  • Another driver 26, not shown in detail, is of short design and as a projecting driver 26, as at the beginning and in Figure 14 already mentioned firmly connected to the pivot shaft 19.
  • FIG. 15 and 16 are shown again separately next to the furniture drive 3 to illustrate the arrangement of the pivot shaft 19 and driver 26. From the Figure 16 is also the assembly of the pivot shaft 19 with the furniture drive. If the furniture drive 3 according to the Figure 16 is in a basic position, which is referred to here as the mounting position, the pivot shaft 19 together with the driver 26 can be mounted on the furniture drive 3 and removed therefrom.
  • the furniture drive 3 and the pivot shaft 19 move relative to one another, specifically in the radial direction of the pivot shaft 19, which is defined at right angles to the central longitudinal axis of the pivot shaft 19.
  • securing means are also provided, which will not be explained in more detail here.
  • Such securing means can, for example, by a closure element 14 according to the Figures 8 to 11 or a closure element 16d Figure 17 be trained.
  • the pivot lever 7 according to the Figures 9 and 10 be designed as a link lever 24 as described here if it forms part of the functional system of the preassembled furniture drive 3 with the furniture drive 3.
  • FIGS 17-19 show an eighth or a further example of a furniture drive 3 in a side view, partially in a sectional view, and a pivot lever 7 in a non-assembled and in an assembled position. All other features mentioned at the beginning of the previous figures, as well as features of the following figures, are shown here in Figures 17 to 19 also realized and are not listed separately.
  • the articulation lever 24 or the swivel lever 7 is a fixed component of the functional fitting 4 and has a swivel axis 19a, which is fixedly but pivotably mounted in a recess as the output opening 15 of the furniture drive 3.
  • the free end of the pivot lever 7 has a pressure piece 7a.
  • the pressure piece 7a is designed as a round body parallel to the axis of rotation 19a.
  • the width of the pressure piece 7a in the direction of the pivot axis 19a is greater than a width of the pivot lever 7 in the direction of the pivot axis 19a, so that the pressure piece 7a at least on one side of the pivot lever 7 in the direction the pivot axis 19a protrudes.
  • the linear adjusting element as the drive element 8 of the spindle lifting thread 6 acts on the pressure piece 7a, so that the eccentric force acting on the pivot axis 19a produces a torque which is transmitted here to the functional fitting 4 in a manner not shown here.
  • the functional fitting 4 is mechanically operatively connected to the pivot shaft 19.
  • the special feature of this embodiment is that the pressure piece 7a is guided lengthwise (ie in the direction of the pivot axis 19a) in arcuate slots / pockets or pivoting contours 16c of the housing 16, the center point of each circular arc of the pivoting contours 16c in the central longitudinal axis of the pivot axis 19a lies.
  • the pivot lever 7 is inevitably guided within the housing 16 in such a way that a closure element 14 or 16d can be omitted, which rotatably fixes the pivot axis 19 in the recess 15 of the housing 16.
  • the pressure piece 7a is guided in the housing by the above-mentioned lateral projection of the pressure piece 7a being guided in the arcuate pocket 16c, as follows Figures 18 and 19th explain in more detail.
  • the closure element 16d is shown here in a variant.
  • the Figure 17 shows the closure element 14 in a non-assembled position above the furniture drive 3.
  • the closure element 14 here has a fork-shaped design with an opening and is thus placed on the pivot shaft 19 mounted on the furniture drive 3.
  • the fork-shaped opening of the closure element 14 shows how it Figure 17 disclosed in the direction of the furniture drive 3.
  • the closure element 14 is rotated about the central longitudinal axis of the pivot shaft, that is to say about the pivot axis 19a.
  • the closure element 14 has a first form-fitting contour which is concentric with the pivot axis 19a.
  • the housing 16 of the furniture drive 3 has a second form-locking contour in the area of the driven opening 15, which also runs concentrically to the pivot axis 19a when the pivot shaft 19 on the furniture drive 3 is in the assembly position.
  • Figure 18 each shows an open housing 16 of the furniture drives 3, so that it is possible to look inside.
  • a straight one Introducing contour 16b is provided, which opens into the pivoting contour 16c.
  • the contours 16b and 16c are arranged opposite each other in the housing 16, which consists of two halves divided in the longitudinal direction.
  • the lateral projection of the pressure piece 7a is guided in the insertion contour 16b and in the pivoting contour 16c.
  • the guidance along the insertion contour 16b takes place exclusively during the assembly or disassembly of the pivot shaft 19 together with the pivot lever 7 or link lever 24.
  • the pressure piece 7a is located in the pivoting contour 16c.
  • another embodiment provides yet another closure element 16d which is designed to be insertable into the insertion contour 16b and can be mechanically fixed.
  • the further closure element 16d is introduced either along the insertion contour 16b or at right angles to it from the side of the outer wall of the housing 16.
  • the further closure element 16d is movably mounted on the housing 16 and can be moved from a first release position into a second locking position. In the right half of the picture Figure 18 the further closure element 16d is brought into the blocking position. This results in a closed channel-like pivoting contour 16c.
  • Figure 19 shows the pivot shaft 19 or the pivot lever 7 or the articulation lever 24 with attached pressure piece 7a in the assembled position according to the operating state of the regular operation. Two end positions of the swivel lever 7 and the articulation lever 24 can be seen.
  • no insertion contour 16b is provided, the swivel lever 7 being a component of the furniture drive 3 and having a profile bore along the central longitudinal axis of the swivel axis 19a for receiving a profile shaft designed as a swivel shaft 19.
  • the profile bore can be designed as a square (see for example Figure 12 and 14 ). Then the lateral projection of the pressure piece 7a can only be connected to the pivoting contour 16c.
  • the housing 16 also has no drive opening 15. Closure elements 14, 16d can also be saved here.
  • the swivel lever 7 can have a pocket which can be coupled to a driver of the swivel shaft 19 (similarly Figure 15-16 ).
  • FIG 20 A ninth or a further example of the electromotive furniture drive 3 is shown in a plan view of an opened drive housing 3b. All other features of the previous figures mentioned at the outset are also realized here and are not listed separately.
  • An electric motor 3a is provided for adjusting both the back part 2b and the leg part 2c of the furniture 1 (bed or slatted frame 2) (see Figure 1 ).
  • the one electric motor 3a thus adjusts a plurality of furniture components 2b, 2c which are coupled to the electromotive furniture drive 3.
  • This is in Figure 20 indicated by reference numerals 2b and 2c.
  • several spindle stroke threads 6a, 6b are provided.
  • the gear wheel 27 is designed as a worm wheel.
  • a threaded spindle 28 is coupled on both sides of the gear wheel 27.
  • the gear wheel 27 or the worm wheel 11b, 11b ' is coupled to two spindle lifting threads 6a, 6b.
  • the threaded spindles 28 are rotatably mounted in a fixed bearing.
  • a nut 29 is placed on the threads of each spindle.
  • Each nut 29 is non-rotatable, but designed to be longitudinally displaceable and guided in the housing 16 of the furniture drive 3.
  • Each nut 29 acts directly or via intermediate links 29a on an adjusting lever or pivoting lever 7 "'7" "which is coupled to the associated furniture component 2b, 2c and / or to a furniture component 2b, 2c to be adjusted.
  • a head or back nut 29b is connected to the furniture component for adjusting the back part 2b.
  • a leg nut 29c stands there with the furniture component of the leg part (and the foot part) 2c in connection.
  • the back part nut 29b acts directly on the back part 2b of the furniture 1 and the leg part nut 29c on the leg part 2c of the furniture 1 via an intermediate member 29a.
  • coupling slides 30 are also provided, which are slidably mounted between the back nut 29b and the intermediate member 29a.
  • the back part nut 29b moves in the direction of the leg part nut 29c, actuates the coupling slides 30, which transmit the adjusting force generated by the back part nut 29b to the intermediate member 29a, which means that only the leg and foot part 2c is adjusted as a furniture component becomes.
  • the back part nut 29b exclusively actuates the leg and foot part 2c via the interposed links consisting of the intermediate link 29a and the coupling slide 30.
  • guide means such as webs or recesses for displaceably guiding the coupling slide 30 are provided.
  • two opposing coupling slides 30 can be arranged, only one is shown here.
  • all the coupling slides 30 are arranged around the central longitudinal axis of the threaded spindle 28, alternatively arranged in a circular symmetry, in order to be able to transmit adjusting forces optimally evenly distributed between the back part nut 29b to the intermediate member 29a.
  • the coupling slide 30 is constructed in several parts.
  • a coupling slide 30 can be rod-shaped.
  • a coupling slide 30 can be spatially shaped.
  • a coupling slide 30 can be formed in several parts and consist of a number of components in the manner of an assembly.
  • the intermediate member 29a can also be composed of a number of components to form an assembly.
  • the motor 3a is connected, for example, directly to the housing 16 of the furniture drive 3.
  • Alternative forms of connection and coupling can be found, for example, in Figures 6 , 7 and 13 again when a flexible shaft 10, 10 'is connected in a rotationally fixed manner as a rotary transmission shaft to the motor shaft and to a worm 11a, 11a', in which case only the worm 11a, 11a 'is mounted in the housing of the furniture drive 3 and with the gearwheel 27 in drive connection.
  • the pivot levers 7 "', 7”” are pivotally mounted on the housing 16 of the furniture drive 3.
  • Other designs for mounting or receiving a pivot lever 7 or a link lever 24 of the abovementioned figures can also be implemented here Figure 20 is not limited to the illustrated and named embodiment of an arrangement and mounting of the pivot lever 7 '", 7"".
  • the pivot lever 7'", 7 "" can be firmly connected to a pivot shaft 19, a polygonal tube 19b or a furniture component 2b, 2c be, or alternatively mechanically coupled. Rather, the features and alternatives of the previous figures should also be realized here and are not listed separately.

Landscapes

  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Nursing (AREA)
  • Hinges (AREA)
  • Transmission Devices (AREA)
  • Chairs For Special Purposes, Such As Reclining Chairs (AREA)

Claims (5)

  1. Sommier à lattes (2) réglable par moteur électrique, présentant des surfaces d'appui d'un rembourrage ou d'un matelas, qui sont réglables les unes par rapport aux autres et/ou par rapport à des éléments fixes du sommier à lattes (2), un entraînement de meuble (3) avec au moins un moteur électrique (3a) et un filetage de levage à broche (6, 6', 6'', 6''', 6a, 6b) pour régler les surfaces d'appui réglables, une ferrure fonctionnelle (4) et un cadre (5), dans lequel les surfaces d'appui réglables sont entourées par le cadre (5),
    dans lequel la ferrure fonctionnelle (4) présente des leviers de sortie (40) qui sont accouplés à au moins une surface d'appui réglable et sont reliés à un boîtier de l'entraînement de meuble (3), respectivement reliés à celui-ci de manière articulée, dans lequel une unité compacte composée de l'entraînement de meuble (3) et de la ferrure fonctionnelle (4) est formée en tant que système fonctionnel et reliée au meuble (1) réalisé sous la forme d'un sommier à lattes (2) chaque fois sur le côté intérieur du cadre (5),
    dans lequel l'unité compacte composée de l'entraînement de meuble (3) et de la ferrure fonctionnelle (4) présente deux unités d'entraînement (21, 21') dans lesquelles les filetages de levage à broche (6, 6', 6'', 6''', 6a, 6b) sont disposés,
    caractérisé en ce que
    l'unité compacte composée de l'entraînement de meuble (3) et de la ferrure fonctionnelle (4) est placée à l'intérieur de la silhouette ou du contour du cadre (5) avec un plan de délimitation inférieur du sommier à lattes (2) et reliée au sommier à lattes (2) chaque fois sur le côté intérieur du cadre (5) par l'intermédiaire des unités d'entraînement (21, 21').
  2. Sommier à lattes (2) selon la revendication 1, caractérisé en ce qu'une unité de montage (22, 22') pour la fixation du cadre (5) ou du sommier à lattes (2) est fixée sur les côtés extérieurs de chacune des unités d'entraînement (21, 21').
  3. Sommier à lattes (2) selon la revendication 2, caractérisé en ce que chaque unité de montage (22, 22') forme avec le boîtier (16) de l'unité d'entraînement (21, 21') une pièce moulée d'une seule pièce, une hauteur totale de l'unité de montage respective (22, 22') étant inférieure à la hauteur totale de l'unité d'entraînement respective (21, 21').
  4. Sommier à lattes (2) selon l'une des revendications précédentes, caractérisé en ce que l'entraînement de meuble (3) est un entraînement de meuble à deux moteurs dans un boîtier (16) avec des arbres de pivotement (19), les arbres de pivotement (19) s'étendant hors de l'entraînement de meuble à deux moteurs (3) transversalement à un axe longitudinal de ce dernier et comprenant un tube polygonal (19b) du côté extérieur.
  5. Sommier à lattes (2) selon la revendication 4, caractérisé en ce qu'un organe de sortie (40) de l'entraînement de meuble (3) est monté pivotant par rapport au boîtier (16) et présente un profil intérieur qui est relié de manière solidaire en rotation, par complémentarité de forme périphérique, avec le profil extérieur de l'arbre de pivotement (19) ou du tube polygonal (19b), un montage de l'arbre de pivotement (19) ou du tube polygonal (19b) étant réalisé par des flasques (19c) qui sont montés rotatifs sur l'extrémité libre respective de l'arbre de pivotement (19) ou du tube polygonal (19b), et dans lequel les flasques (19c) eux-mêmes sont reliés au cadre (5) du sommier à lattes (2) .
EP14724396.8A 2013-05-10 2014-05-09 Sommier à lattes avec entraînement par moteur électrique Revoked EP2994021B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP20186531.8A EP3750452A1 (fr) 2013-05-10 2014-05-09 Entraînement de meubles

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102013104850 2013-05-10
PCT/EP2014/059536 WO2014180978A2 (fr) 2013-05-10 2014-05-09 Système d'entraînement par moteur électrique pour meuble

Related Child Applications (1)

Application Number Title Priority Date Filing Date
EP20186531.8A Division EP3750452A1 (fr) 2013-05-10 2014-05-09 Entraînement de meubles

Publications (2)

Publication Number Publication Date
EP2994021A2 EP2994021A2 (fr) 2016-03-16
EP2994021B1 true EP2994021B1 (fr) 2020-07-22

Family

ID=50732151

Family Applications (2)

Application Number Title Priority Date Filing Date
EP14724396.8A Revoked EP2994021B1 (fr) 2013-05-10 2014-05-09 Sommier à lattes avec entraînement par moteur électrique
EP20186531.8A Withdrawn EP3750452A1 (fr) 2013-05-10 2014-05-09 Entraînement de meubles

Family Applications After (1)

Application Number Title Priority Date Filing Date
EP20186531.8A Withdrawn EP3750452A1 (fr) 2013-05-10 2014-05-09 Entraînement de meubles

Country Status (5)

Country Link
EP (2) EP2994021B1 (fr)
DE (1) DE102014106682A1 (fr)
DK (1) DK2994021T3 (fr)
ES (1) ES2822183T3 (fr)
WO (1) WO2014180978A2 (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102014102216A1 (de) * 2014-02-20 2015-08-20 Dewertokin Gmbh Beschlag für ein Lattenrost mit einem Schwenkelement
DE102015122605A1 (de) * 2015-12-22 2017-06-22 Logicdata Electronic & Software Entwicklungs Gmbh Rahmenelement für ein verstellbares Bett, modularer Rahmen, verstellbares Bett sowie Montageverfahren
DE202016100783U1 (de) 2016-02-16 2017-05-30 Dewertokin Gmbh Schwenkwelle, insbesondere für einen elektromotorischen Möbelantrieb

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3842078A1 (de) 1988-01-14 1989-07-27 Niko Antriebstechnik Antrieb fuer lattenroste (ii)
WO1996029970A1 (fr) 1995-03-27 1996-10-03 Scandinavian Mobility Ec-Høng A/S Lit
DE10046751A1 (de) 1999-12-23 2001-07-05 Cimosys Ag Goldingen Motorisch verstellbare Stützeinrichtung für eine Polsterung eines Sitz- und/oder Liegemöbels
DE19962537A1 (de) 1999-12-23 2001-07-26 Ag Goldingen Cimosys Verstellbare Polsterungseinrichtung für ein Sitz- und/oder Liegemöbel
DE19962541A1 (de) 1999-12-23 2001-07-26 Ag Goldingen Cimosys Motorisch verstellbare Stützeinrichtung für eine Polsterung eines Sitz- und/oder Liegemöbels, beispielsweise einer Matratze oder eines Bettes
WO2004107923A1 (fr) 2003-06-05 2004-12-16 Cimosys Ag Dispositif support motorise destine au rembourrage d'un meuble d'assise et/ou de couchage, notamment au matelas d'un lit

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE8911226U1 (de) * 1989-09-21 1989-11-23 Stanzwerk Wetter Sichelschmidt & Co, 5802 Wetter Matratzenrahmen mit angelenktem, einstellbarem Fußteil
WO2005122840A1 (fr) 2004-06-21 2005-12-29 Linak A/S Actionneur lineaire pour lits, lits a lattes ou fauteuils
DE202008016980U1 (de) * 2008-12-22 2009-03-12 Stanzwerk Wetter Sichelschmidt Gmbh & Co. Kg Lattenrost für Liegemöbel

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3842078A1 (de) 1988-01-14 1989-07-27 Niko Antriebstechnik Antrieb fuer lattenroste (ii)
WO1996029970A1 (fr) 1995-03-27 1996-10-03 Scandinavian Mobility Ec-Høng A/S Lit
DE10046751A1 (de) 1999-12-23 2001-07-05 Cimosys Ag Goldingen Motorisch verstellbare Stützeinrichtung für eine Polsterung eines Sitz- und/oder Liegemöbels
DE19962537A1 (de) 1999-12-23 2001-07-26 Ag Goldingen Cimosys Verstellbare Polsterungseinrichtung für ein Sitz- und/oder Liegemöbel
DE19962541A1 (de) 1999-12-23 2001-07-26 Ag Goldingen Cimosys Motorisch verstellbare Stützeinrichtung für eine Polsterung eines Sitz- und/oder Liegemöbels, beispielsweise einer Matratze oder eines Bettes
US6754922B2 (en) 1999-12-23 2004-06-29 Cimosys Ag Motor-driven, adjustable supporting device for the upholstery of seating and/or reclining furniture, for example of a mattress or a bed
WO2004107923A1 (fr) 2003-06-05 2004-12-16 Cimosys Ag Dispositif support motorise destine au rembourrage d'un meuble d'assise et/ou de couchage, notamment au matelas d'un lit

Also Published As

Publication number Publication date
WO2014180978A2 (fr) 2014-11-13
EP3750452A1 (fr) 2020-12-16
DE102014106682A1 (de) 2014-12-04
WO2014180978A3 (fr) 2014-12-31
DK2994021T3 (da) 2020-10-12
EP2994021A2 (fr) 2016-03-16
ES2822183T3 (es) 2021-04-29

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